ONT - PHX

$49 Find Cheap Flights from Ontario to Phoenix Sky Harbor Airport - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Phoenix departing on 1/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$97
Typical prices: $248-$557
Southwest
Sat 12/5Sat 12/12
ONT - PHX • Non-stop
Cheapest non-stop
$97
Typical prices: $208-$499
American Airlines
Wed 11/4Sat 11/7
ONT - PHX • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
American Basic Economy cuts costs but includes only a carry-on, no free checked bag.
Southwest adds a free carry-on; American Main Cabin Extra adds early boarding.
Expert advice
Expert advice
Expert advice
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Top airlines
Cheapest • from $97 (round-trip)
Best reviews • 8.0 score
Airline reviews
Airline reviews
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Nonstop flights
You can fly direct with American Airlines and Southwest. Average duration is 1h 20m
Direct flights
Direct flights
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Direct flights
Direct flights
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Top layover airports
Cheapest • Avg $166 (round-trip)
Shortest trip • 4h 49m (one-way)
Insights
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When to book
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 51% compared to booking last minute.
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When to travel
Cheapest • 42% price drop
Most popular
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Flight Deals

Cheap Flights from Ontario to Phoenix (ONT-PHX)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Phoenix that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Phoenix

Sat, Dec 5 - Sat, Dec 12
Southwest Logo
9:30 am - 11:45 am
ONT
-
PHX
1h 15mnonstop
Southwest Logo
9:30 am - 9:50 am
PHX
-
ONT
1h 20mnonstop
$97Southwest
Tue, Dec 8 - Wed, Jan 6
Southwest Logo
3:45 pm - 6:10 pm
ONT
-
PHX
1h 25mnonstop
Southwest Logo
4:40 pm - 5:00 pm
PHX
-
ONT
1h 20mnonstop
$97Southwest
Wed, Nov 4 - Sat, Nov 7
American Airlines Logo
9:29 am - 11:54 am
ONT
-
PHX
1h 25mnonstop
American Airlines Logo
12:18 pm - 12:38 pm
PHX
-
ONT
1h 20mnonstop
$97American Airlines
Sat, Aug 22 - Sat, Aug 29
American Airlines Logo
12:59 pm - 2:25 pm
ONT
-
PHX
1h 26mnonstop
American Airlines Logo
10:45 am - 12:03 pm
PHX
-
ONT
1h 18mnonstop
$97American Airlines
Wed, Nov 11 - Sat, Nov 14
Southwest Logo
6:00 am - 8:15 am
ONT
-
PHX
1h 15mnonstop
Southwest Logo
9:30 am - 9:50 am
PHX
-
ONT
1h 20mnonstop
$97Southwest
Wed, Sep 30 - Thu, Oct 1
American Airlines Logo
1:04 pm - 2:25 pm
ONT
-
PHX
1h 21mnonstop
American Airlines Logo
9:26 pm - 10:43 pm
PHX
-
ONT
1h 17mnonstop
$97American Airlines
Wed, Aug 26 - Mon, Aug 31
Frontier Logo
7:56 pm - 7:40 am
ONT
-
PHX
11h 44m
1 stop
Frontier Logo
10:33 pm - 2:03 pm
PHX
-
ONT
39h 30m
2 stops
$161Frontier
Thu, Aug 27 - Mon, Aug 31
Frontier Logo
3:40 pm - 11:24 pm
ONT
-
PHX
7h 44m
1 stop
Frontier Logo
10:33 pm - 2:03 pm
PHX
-
ONT
39h 30m
2 stops
$165Frontier
Mon, Aug 24 - Thu, Aug 27
United Airlines Logo
1:56 pm - 6:35 pm
ONT
-
PHX
4h 39m
1 stop
United Airlines Logo
7:02 am - 12:12 pm
PHX
-
ONT
5h 10m
1 stop
$239United Airlines
Mon, Aug 24 - Mon, Aug 31
United Airlines Logo
1:56 pm - 6:35 pm
ONT
-
PHX
4h 39m
1 stop
United Airlines Logo
7:02 am - 12:12 pm
PHX
-
ONT
5h 10m
1 stop
$239United Airlines
Booking Insights

KAYAK's insights & trends for Ontario to Phoenix flights

Get data-powered insights and trends into flights from Ontario to Phoenix to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Ontario to Phoenix Sky Harbor Intl Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Ontario to Phoenix Sky Harbor Intl Airport departing in August.

Flight prices are below average for this route right now.

Flights to Phoenix Sky Harbor Intl Airport from Ontario usually cost between $165 and $353 in August.
The lowest price found in the past 5 days was $97 on Southwest (Aug 22-Aug 29).

What’s the cheapest day of the week to fly from Ontario to Phoenix Sky Harbor Airport?

The average price of all round-trip flights from Ontario to Phoenix Sky Harbor Intl Airport clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Phoenix Sky Harbor Airport on a Wednesday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Ontario to Phoenix Sky Harbor Airport. For your return ticket, we recommend flying on a Saturday and avoiding Sundays for the best deals.

What is the cheapest month to fly from Ontario to Phoenix Sky Harbor Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Ontario to Phoenix Sky Harbor Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Ontario to Phoenix Sky Harbor Intl Airport is September, where tickets cost $163 (return) on average. On the other hand, the most expensive months are July and June, where the average cost of round-trip tickets is $446 and $339 respectively.

Can I save money by flying with a layover from Ontario to Phoenix Sky Harbor Intl Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $319 on average.

How far in advance should I book a flight from Ontario to Phoenix Sky Harbor Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Ontario to Phoenix Sky Harbor Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Ontario to Phoenix Sky Harbor Intl Airport, you should book around 4 weeks before departure, which saves you about 51% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

Expert advice

Expert advice for your flight from Ontario to Phoenix

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Laura Ratliff

Laura Ratliff

Expert on PHX

Laura Ratliff is a New York-based writer and editor. She lives in downtown Brooklyn with her husband and their beloved dogs. Originally from Texas, she now considers New York City her home. She typically spends more than 200,000 miles on a plane each year and stays in plenty of hotels.

Jennifer Simonson

Jennifer Simonson

Expert on ONT

Jennifer Simonson is driven by her lifelong commitment to exploring the globe. Her insatiable curiosity had led her to immerse herself into diverse locations like Oklahoma City and Pismo. Her hotel recommendations are the result of the myriad hotels she's stayed at across her travels. Along her journey, she cherishes engaging conversations with locals, indulging in the finest ice cream, trying her hand at surfing, and embarking on nature-filled hikes.

Good to know

Low season

December

Cheapest flight

$49
Best time to beat the crowds but there is an average 18% increase in price.
Most popular time to fly and prices are also 21% lower on average.
Flight from Ontario to Phoenix Sky Harbor Airport

When to book flights from Ontario to Phoenix

Are your dates flexible? Find out the best times to travel from Ontario to Phoenix based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Ontario to Phoenix Sky Harbor Airport flights

  • Where can I park my vehicle at Ontario International Airport?

    Depending on how long your visit to Phoenix is, you can leave your car at the long-term Parking Lot 3, located between Lots 2 and 3 near Terminal 2 and 4. It’s the cheapest on-site parking lot suitable for extended stays and overnight parking.

  • Can I leave Ontario International Airport during a flight delay?

    If you’ve gone through TSA security screening, it’s advisable to stay within the terminal unless advised otherwise by the airport staff. Often delays are resolved quickly, plus there are numerous on-site restaurants and cafeterias where you can wait out the delay.

  • Which car rental companies are at Phoenix Sky Harbor Airport?

    Avis, Budget, Dollar, Thrifty, Enterprise, Hertz, National, and Alamo car rental companies. Their desks are at the Rental Car Center within the Phoenix airport building at 1805 E Sky Harbor Circle, between 16th and 24th St, south of Buckeye Road.

  • Is there a pick-up and drop-off zone at Phoenix Sky Harbor Airport?

    Yes. When ready for pick-up, you can wait on the curb outside the arrivals at Terminal 4 or utilize the free Cell Phone Waiting Lots located on the East and West ends of the airport.

  • What is the cheapest flight from Ontario to Phoenix Sky Harbor Intl Airport?

    In the last 5 days, the lowest price for a flight from Ontario to Phoenix Sky Harbor Intl Airport was $49 for a one-way ticket and $97 for a round-trip.

  • Do I need a passport to fly between Ontario and Phoenix Sky Harbor Airport?

    No, a passport isn't needed to fly from Ontario to Phoenix Sky Harbor Airport. However, local authorities might ask for an official ID.

  • Which airlines offer Wi-Fi service onboard planes from Ontario to Phoenix Sky Harbor Airport?

    American Airlines, JetBlue, Alaska Airlines, and Delta offer inflight Wi-Fi service on the Ontario to Phoenix Sky Harbor Airport flight route.

  • Which aircraft models fly most regularly from Ontario to Phoenix Sky Harbor Airport?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the Ontario to Phoenix Sky Harbor Airport flight route.

  • Which airline alliances offer flights from Ontario to Phoenix Sky Harbor Airport?

    oneworld is the only airline alliance operating flights between Ontario and Phoenix Sky Harbor Airport.

  • On which days can I fly direct from Ontario to Phoenix Sky Harbor Airport?

    There are nonstop flights from Ontario to Phoenix Sky Harbor Airport on a daily basis.

  • Which is the best airline for flights from Ontario to Phoenix, Southwest or American Airlines?

    The two airlines most popular with KAYAK users for flights from Ontario to Phoenix are Southwest and American Airlines. With an average price for the route of $276 and an overall rating of 8.0, Southwest is the most popular choice. American Airlines is also a great choice for the route, with an average price of $301 and an overall rating of 7.1.

  • How does KAYAK find such low prices on flights from Ontario to Phoenix Sky Harbor Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Phoenix Sky Harbor Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Phoenix Sky Harbor Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Phoenix Sky Harbor Airport from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Phoenix Sky Harbor Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Phoenix Sky Harbor Airport with an airline and back to Ontario with another airline. Booking your flights between Ontario and PHX can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Phoenix Sky Harbor Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Phoenix Sky Harbor Airport from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Ontario to Phoenix Sky Harbor Intl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $198 or less one-way and $359 or less round-trip.
  • As Southern California’s full-service airport, Ontario International Airport (ONT) is a favorite with business travelers wishing to escape the congestion at LAX airport. It’s also the airport with the newest amenities, such as spacious twin terminals that allow for fast curbside-to-gate transfers. Still, arriving 2h before your scheduled flight is advisable for a seamless check-in process.
  • You’ll be happy to know that Ontario International Airport welcomes traveling pets. They must be confined within their carriers for safety unless they’re at the Pet Relief zones in Terminals 2 near Gate 210 and Terminal 4 near Gate 410. Phoenix Sky Harbor International (PHX) has nine pet relief areas, most notably, the Paw Pad outside T3, Level 1, and the Bone Yard, west of T4, Level 1, just outside of Baggage Claim.
  • If you need a place to wait for your flight to Phoenix, you can do so in the Ontario USO Lounge inside the old terminal 1 administration building in front of Parking Lot F. Available too are ONT’s two new Aspire Premium Lounges in Terminal 2 and 4 that offer passengers a quiet space to relax and recharge before their flight. While admission fees are applicable, the two lounges are open to everyone irrespective of their travel class or airline.
  • Located in Terminal 2, across Gate 207 and Terminal 4 across Gate 407 at ONT are clean and secure nursing rooms for moms who need some privacy to pump or breastfeed. Phoenix Sky Harbor Airport has two Mamava nursing pods and breastfeeding stations located both pre-and post-security in each terminal. You can access the nursing pod with a code from the downloadable Mamava app.
  • While elevators, washrooms, hydration stations, and parking spaces at Ontario airport are accessible, passengers with disabilities are encouraged to communicate their special needs when making airline reservations through KAYAK. With prior reservation, ONT Skycap Company can provide Meet and Assist services to persons needing mobility assistance. There’re self-service wheelchairs available without pre-arrangement at PHX.

Prefer to fly direct from Ontario to Phoenix Sky Harbor Airport?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Ontario to Phoenix Sky Harbor Intl.
Find which airlines fly direct from Ontario Airport to Phoenix Sky Harbor Intl Airport, which days they fly and book direct flights.

Direct departures

Ontario to Phoenix Sky Harbor Intl

Monday

American Airlines,Southwest

American Airlines,Southwest

Tuesday

American Airlines,Southwest

American Airlines,Southwest

Wednesday

American Airlines,Southwest

American Airlines,Southwest

Thursday

American Airlines,Southwest

American Airlines,Southwest

Friday

American Airlines,Southwest

American Airlines,Southwest

Saturday

American Airlines,Southwest

American Airlines,Southwest

Sunday

American Airlines,Southwest

American Airlines,Southwest

See more direct flights

Direct returns

Phoenix Sky Harbor Intl to Ontario

Monday

American Airlines,Southwest

American Airlines,Southwest

Tuesday

American Airlines,Southwest

American Airlines,Southwest

Wednesday

American Airlines,Southwest

American Airlines,Southwest

Thursday

American Airlines,Southwest

American Airlines,Southwest

Friday

American Airlines,Southwest

American Airlines,Southwest

Saturday

American Airlines,Southwest

American Airlines,Southwest

Sunday

American Airlines,Southwest

American Airlines,Southwest

See more direct flights

Reviews of the top 4 airlines serving from Ontario to Phoenix

 
See real verified KAYAK customer reviews for airlines flying from Ontario to Phoenix. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Ontario to Phoenix? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4229 reviews
8.0Comfort
8.1Boarding
8.6Crew
7.0Food
7.5Entertainment
Airline reviews

I think Southwest is the number one airline that anyone can fly I have flown for the first time Frontier and what a joke and their customer service United was a very strange experience I'm only sticking to Southwest from here on out for sure

10.0 Excellentkelly, Jul 2026
SFO - PHX
Read more Southwest reviews

I think Southwest is the number one airline that anyone can fly I have flown for the first time Frontier and what a joke and their customer service United was a very strange experience I'm only sticking to Southwest from here on out for sure

The entire experience from boarding to landing was amazing! The crew were very friendly. Will definitely be back.

Delayed flight, lack of information, boarding process is a mess as is the carryon luggage causing issues when leaving the plane….just a poor experience.

It was good from LAX to Phoenix, But the connection in Phoenix to Tulsa was not that great. The staff on both flights were great. The choice of free entertainment was ok nothing to brag about. The 45 min delay because of some electrical issue wasn't great from Phoenix to Tulsa. We sat there with hardly any air, The seat I had was between windows so the side of the plane pushed in on you. My being a bigger man it then made the seating area uncomfortable. The seats on the plane had no power to connect to recharge your phone or anything. I would recommend that they should look into a slot or clamp to hold your phone to enjoy while watching the entertainment choices hands-free. Also make it possible to raise the inner seat by the window be able to raise the arm rest up to make more room for larger people to set more comfortably. I would also say other then that stop price gouging the airfare or nickel and diming everything. Not fair for people having to fly for emergencies and be paying for higher prices due to the season or holidays. Your making your money either way and the cost of flying is still going to be the same regardless if there's 100 people or 200 people.

Flight boarded late after announcing on time boarding. Flight arrived only a little late despite late departure. Had trouble connecting to WiFi

The Southwest experience has definitely taken a dive from its early days. You can no longer deferentiate from other airlines. Air travel is too expensive. Southwest is no longer budget friendly. They have lost me as a loyal customer.

The wifi on the plane is great. The only issue that I have is that I prefer an aisle seat and on my trips this week, I was either in the middle or window. If we can work to secure aisle seating, I will be thrilled. Nice trip.

Employees were kind and funny, as always! Flight was late but no announcements were made for people with tight connections to help them transition quickly. No service due to turbulence.

Usually reliable SWA worked out fine for my quick business trip to Phoenix.

I liked receiving attention from aged and well experienced flight attendants. I disliked the non-gluten-free snack but I brought my own so I was OK.

American was the airline that Starlux contracted for this trip. I arrived in time to make the connecting flight on American, and then the baggage-handler debacle happened. For some reason, the first class and premium economy passengers' luggage was unloaded first. Never seen this happen before. They had handlers removing the bags from the carousel for those passengers. Meanwhile, all of the economy passengers were waiting for their bags, including me. And there were a lot of bags because it was an international flight packed full. While waiting for 45 minutes, my bag didn't show. Meanwhile, an American representative showed up asking if anyone has a connecting flight to Phoenix. Of course I spoke up, and they proceeded to try to find my bag because I had to take a bus to the actual terminal to catch my flight. Which I was not informed of before I arrived. After another 15 minutes of searching, my bag was finally found with the first-class passengers' bags because they had pulled it by mistake. So I rushed to the terminal with the American representative to catch my flight, and they informed me that I missed it and could not get another flight until the next day. Of course, after being on an international flight for 18 hours, I was in no mood to hear this. Now, to be fair, there were a few American employees who tried to help me. After hearing about the missed flight, they got a supervisor to talk to. I expressed my situation to the supervisor, and she was not helpful until I asked for compensation. She agreed to get me a hotel room for the night. So I agreed, and she disappeared into her office, and I waited. And waited. And waited. And waited. While waiting, I was asked by three different employees who knew of my situation if I had been helped. I told them I was waiting for the supervisor to get the hotel room, and they said they would check. Finally, after waiting for 75 minutes, one of the employees who had asked me if I had been helped arrived with my hotel room and arranged a ride to the hotel for me. Never saw the supervisor again. It was now 8 o'clock; I arrived at 5:45! My rebooked fight was scheduled for 6:11 this morning and I have now been informed it has been delayed until 10:00. So am I happy with American? NO I'M NOT!! ;

The SFO Lounge crew were amazing. The bartender Faris was great. Thanks!

Good flight, seated and had a water within 5 minutes. Crew was hospitable.

It would be nice to have some low carb options in the snacks.

The flight was on time and arrived early. The crew were friendly and helpful.

Overall experience was great. Flights were almost on time in departing and we arrived at our destination as scheduled. No issues with amenities or flight crew. Everything went well as as expected. Will fly again with American Airlines in the future!

The flight was smooth, the pilot kept us informed about delays and we arrived more of less on time

We kept being told that the flight was full and that all overhead compartments were full and therefore had to check in our hand luggage. We were some of the last people to board and noticed that there was still sufficient space in the overhead compartments. We were obliged to check in hand luggage when there was space and so had to wait at luggage retrieval which took a while to then noticed damage to our luggage - not a great experience!

I paid for what I got which was cheap, I brought my own entertainment. I knew what to expect, so I could be prepared. If you’re flying economy, check in early like me. I have no problems with my flight, was on time, staff were friendly, and overall good experience.

Excellent. Attendants served preflight drinks and were courteous and nice.

The seats were roomier than other airplanes I’ve been on.

Seats were great, the staff was great, and the food was about the best I've had on a plane, and is especially the best of any US-based carrier I've flown. Free Wi-Fi was also great.

It was inexplicably canceled and we are stuck in LA, haven't gotten home and it has been an inconvenience having lost work (on unpaid leave for my husband).

It was good. I’m very disappointed that they don’t give commentary ear pods for the movie. I forgot mine at home

Given us a free miles or free flight for waiting for 9 hours I didn’t get home till 5am in the morning and I was supposed to be home at 9:30 touch down.

Boarding was quick and efficient. The flight crew were friendly. There were limited food options available on the flight. The pocket guide said there would be salad and sandwich sections available on flights over 3.5 hours. The only food available were snack boxes. And those were limited as well. My flight was over 5 hours. The entertainment system worked well. I had both extra legroom seats and regular coach seats. The seats were not very comfortable. The entertainment controls in the armrest made it difficult to rest my arm without changing the channel on my neighbors TV. Overall, my experience was mediocre.

Entertainment and wifi were very sub-par - audio issues and no wifi

I was denied a plastic fork to eat my food and was told plastic forks are for paying customers who buy Jet Blue’s food. So I had to make a utensil out of a cup so nourish my body. Like a refugee. Because decency is dead.

Flights with JetBlue from San Diego to Boston are a miserable experience. The flight was delayed about 1.5 hours due to “weather” supposedly but the flights for other airlines left on time so it just have been some kind of weather that only affects JetBlue. I had a small carry on - purse. The crew stored it in a bin 2 rows down from me because they were using the bin next to my seat for other people’s stuff. The TV screen in the emergency row seats does not work. It just was awful from start to finish. When we landed, we had to sit inside the plane for a very long time because the plane had to be moved to a different gate.

I had back trouble prior to my flight and everyone was great about helping me.

12 hour delay required getting on and off plane 3 times - would have at least liked to have been offered a snack or drink

They switched our terminal 3 times and we were delayed for four plus hours!!!

The flight never took off and we spent 7 hours at the airport

Gate not determined until I got to the airport - hard to plan the trip to the airport.

Very well recently! Frontier is improving and less harrassing customer on luggages! Positive!

This airline sucks. They offer low rates then charge you for everything, the app does not work well, the seats are the most uncomfortable. Maintenance issues on the flight, and you still have to sit through their credit card commercials. People are nice enough but does not make up for overall poor experience.

With frontier you get what you pay for. The flight was two hours late. It’s a tight fit for the number of people they bring but you get to where you’re going cheap. Sometimes that’s more important than a nifty drink and cool TV..

We had an awful experience getting our bags checked in. Frontier’s check in on the app manipulated us into buying the business package because that was the only option available for a checked bag which included two checked bags per person which we did not need. Upon arriving to the airport, we stood in line for what seemed like forever at the baggage check in and there was no one available at the counter. We were first in line and we were afraid we were going to miss our flight due to the baggage attendant being late. After realizing there were a lot of other people waiting at the baggage check in and no one available. I reached out to Frontier and could not get any customer service so I had to call the airport to page the baggage attendant to send someone to the counter to check in our bags before we were able to go through security , I finally spoke to the attendant at the counter and explained to her that we had to pay for two checked bags person a total of six bags when we only had a total of three bags between three people she said to reach out to Frontier and they would issue a refund for the three bags that we paid for and did not need. I reached out to Frontier which I was not able to reach anybody by phone so I had to go through their automated chat feature, which sent me around in circles until I finally reached a representative to assist me. I explained to them what happened and they explained that they were not able to assist me. I continued to push the issue with them as this was very frustrating and they finally put in a customer service ticket where we were issued a flight credit and we were so disappointed because after this experience, we NEVER want to fly Frontier again, and we do not want a credit that we will not use. Frontier charged us almost $500 for us to check three bags which is absolutely absurd! The customer service agents were not able to offer anything else other than a flight credit and I do not feel like my frustrations were truly heard , we will never use Frontier Airlines again ! Truly Theft by Manipulation! They should be ashamed!

Our flight was delayed an hour, then when we got to board our flight finally, we were waiting in our seats for take off for 45 minutes before it was communicated that there was a maintenance issue therefore we waited on the plane for over an hour while that was resolved. We did not get to Phoenix until almost 3 hours after we were originally supposed to. This was the first and last time I will be flying Frontier.

Better than I expected but I did pay for a seat and carry on bags ahead of time.

Everything you need to know for your flight from Ontario to Phoenix

Other airlines flying to Ontario

Flight deals from the most popular airlines with KAYAK users flying the route