$56 Find Cheap Flights from Ontario to Dallas

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 Dallas departing on 2/7. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Dallas

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Dallas.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Dallas.
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Everything you should know

Cheapest round-trip
$128
Overall average: $269
Frontier
Thu 1/22Mon 1/26
ONT - DFW • 1 stop
Cheapest non-stop
$130
Typical prices: $206-$408
Frontier
Fri 1/16Mon 1/19
ONT - DFW • Non-stop
Our travelers' advice
AI-powered summary based on content written by travel experts. AI can make mistakes.
American's Main Cabin Extra offers early boarding.
Frontier's Economy Bundle includes a carry-on.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Southwest
Cheapest • from $179 (round-trip)
Alaska Airlines
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Top routes
ONT-DFW
Cheapest • 16% average savings
ONT-DFW
Most popular
Insights
Insights
Insights
Insights
When to book
2 weeks
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 29% compared to booking last minute.
Insights
Insights
Insights
Insights
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Flight Deals

Cheap Flights from Ontario to Dallas (ONT-DFW)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Dallas 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 Dallas

Thu, Jan 22 - Mon, Jan 26
Frontier Logo
6:20 am - 7:21 pm
ONT
-
DFW
11h 01m1 stop
Frontier Logo
8:00 am - 12:10 pm
DFW
-
ONT
6h 10m1 stop
$128Frontier
Mon, Feb 2 - Wed, Feb 4
Frontier Logo
6:20 am - 12:11 am
ONT
-
DFW
15h 51m1 stop
Frontier Logo
2:13 pm - 10:09 am
DFW
-
ONT
21h 56m1 stop
$129Frontier
Fri, Jan 16 - Mon, Jan 19
Frontier Logo
8:32 am - 1:36 pm
ONT
-
DFW
3h 04mnonstop
Frontier Logo
12:16 pm - 1:48 pm
DFW
-
ONT
3h 32mnonstop
$130Frontier
Thu, Jan 22 - Mon, Jan 26
Frontier Logo
2:06 pm - 7:11 pm
ONT
-
DFW
3h 05mnonstop
Frontier Logo
12:55 pm - 2:27 pm
DFW
-
ONT
3h 32mnonstop
$132Frontier
Thu, Jan 8 - Sat, Jan 24
Frontier Logo
8:31 am - 1:32 pm
ONT
-
DFW
3h 01mnonstop
Frontier Logo
3:03 pm - 11:24 pm
DFW
-
ONT
10h 21m1 stop
$134Frontier
Tue, Jan 13 - Tue, Jan 27
Southwest Logo
11:00 am - 3:45 pm
ONT
-
DAL
2h 45mnonstop
Southwest Logo
5:20 pm - 6:40 pm
DAL
-
ONT
3h 20mnonstop
$179Southwest
Sat, Jan 17 - Tue, Jan 27
Southwest Logo
1:00 pm - 8:00 pm
ONT
-
DAL
5h 00m1 stop
Southwest Logo
5:20 pm - 6:40 pm
DAL
-
ONT
3h 20mnonstop
$189Southwest
Thu, Jan 15 - Sat, Jan 24
Southwest Logo
7:20 am - 12:05 pm
ONT
-
DAL
2h 45mnonstop
Southwest Logo
1:30 pm - 2:50 pm
DAL
-
ONT
3h 20mnonstop
$214Southwest
Wed, Jan 7 - Tue, Jan 20
Delta Logo
12:41 pm - 10:29 pm
ONT
-
DAL
7h 48m1 stop
Delta Logo
6:00 am - 11:31 am
DAL
-
ONT
7h 31m1 stop
$217Delta
Thu, Jan 8 - Tue, Jan 20
Delta Logo
12:41 pm - 10:29 pm
ONT
-
DAL
7h 48m1 stop
Delta Logo
6:00 am - 11:31 am
DAL
-
ONT
7h 31m1 stop
$243Delta
Booking Insights

KAYAK's insights & trends for Ontario to Dallas flights

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

What is the cheapest Ontario to Dallas flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from Ontario to Dallas costs $139 on the route between Ontario (ONT) and Dallas/Fort Worth Airport (DFW). Over the past month, this route was, on average, 16% cheaper than other Ontario-Dallas routes. It is also the most popular route.

What’s the cheapest day of the week to fly from Ontario to Dallas?

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

If your flying dates are flexible, you should consider flying to Dallas on a Thursday, 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 Dallas. For your return ticket, we recommend flying on a Thursday and avoiding Wednesdays for the best deals.

What is the cheapest month to fly from Ontario to Dallas?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Ontario to Dallas, 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 Dallas is April, where tickets cost $178 (return) on average. On the other hand, the most expensive months are November and June, where the average cost of round-trip tickets is $284 and $280 respectively.

How far in advance should I book a flight from Ontario to Dallas?

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 Dallas, 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 Dallas, you should book around 2 weeks before departure, which saves you about 29% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Expert advice

Expert advice for your flight from Ontario to Dallas

 
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.
Airlines
Frontier

Frontier's Economy Bundle includes a carry-on and seat choice, ideal for budget travelers.


Consider Premium Bundle for priority boarding and extra legroom, just $20 more than Economy.

American Airlines

American's Main Cabin Extra offers early boarding and free drinks, enhancing comfort.


Access high-speed Wi-Fi on most flights; T-Mobile users may get complimentary access.

Airports
ONT

ONT offers streamlined security with average wait times of 6-15 minutes, making it ideal for business travelers seeking efficiency.

DFW

For affordable transport from DFW to Dallas, take the DART train to downtown, then a rideshare for a fraction of the cost.

Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Frontier

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more
Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet Baskas

Harriet Baskas

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.

Read more
Jennifer Simonson

Jennifer Simonson

Expert on ONT

Jennifer Simonson

Jennifer Simonson

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.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on DFW

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Good to know

Cheapest flight$56
Flight from Ontario to Dallas/Fort Worth Airport

When to book flights from Ontario to Dallas

Are your dates flexible? Find out the best times to travel from Ontario to Dallas 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 flights from Ontario to Dallas

  • What is the cheapest flight from Ontario to Dallas?

    In the last 3 days, the lowest price for a flight from Ontario to Dallas was $56 for a one-way ticket and $128 for a round-trip.

  • Do I need a passport to fly between Ontario and Dallas?

    Yes

  • Which airports will I be using when flying from Ontario to Dallas?

    Ontario is served by only 1 airport and there are 2 airports in Dallas. You will leave Ontario from Ontario and you will be arriving in Dallas at one of these airports: Dallas Love Field or Dallas/Fort Worth.

  • Which aircraft models fly most regularly from Ontario to Dallas?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Ontario to Dallas?

    SkyTeam, and oneworld are the airline alliances operating flights between Ontario and Dallas, with SkyTeam being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Ontario to Dallas?

    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 Dallas.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Dallas 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 Dallas?

    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 Dallas with an airline and back to Ontario with another airline.

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

    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 Dallas from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Prefer to fly direct from Ontario to Dallas?

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

Direct departures

Ontario to Dallas

Monday

American Airlines, Frontier, Southwest

American Airlines, Frontier, +1 more

Tuesday

American Airlines, Frontier, Southwest

American Airlines, Frontier, +1 more

Wednesday

American Airlines, Southwest

American Airlines, Southwest

Thursday

American Airlines, Frontier, Southwest

American Airlines, Frontier, +1 more

Friday

American Airlines, Frontier, Southwest

American Airlines, Frontier, +1 more

Saturday

American Airlines, Frontier, Southwest

American Airlines, Frontier, +1 more

Sunday

American Airlines, Frontier, Southwest

American Airlines, Frontier, +1 more

See more direct flights

Direct returns

Dallas to Ontario

Monday

American Airlines, Frontier, Southwest

American Airlines, Frontier, +1 more

Tuesday

American Airlines, Frontier, Southwest

American Airlines, Frontier, +1 more

Wednesday

American Airlines, Southwest

American Airlines, Southwest

Thursday

American Airlines, Frontier, Southwest

American Airlines, Frontier, +1 more

Friday

American Airlines, Frontier, Southwest

American Airlines, Frontier, +1 more

Saturday

American Airlines, Frontier, Southwest

American Airlines, Frontier, +1 more

Sunday

American Airlines, Frontier, Southwest

American Airlines, Frontier, +1 more

See more direct flights

Reviews of the top 5 airlines serving from Ontario to Dallas

 
See real verified KAYAK customer reviews for airlines flying from Ontario to Dallas. 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 Dallas? 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
Alaska AirlinesOverall score based on 11411 reviews
7.0Entertainment
7.1Food
8.1Boarding
8.5Crew
7.8Comfort
Airline reviews

Very good. Easy check in, attentive flight attendant, and on time departure/landing.

10.0 ExcellentKurt, Nov 2025
SEA - ELP
Read more Alaska Airlines reviews

Very good. Easy check in, attentive flight attendant, and on time departure/landing.

It was all good, no delays which was a worry. All great

The first leg of the trip was excellent. Lovely flight attendants and comfortable plane. The second leg left a lot to be desired. The flight attendant was rude when I asked for a Diet Coke, the boarding required quite a long walk and the plane was crammed and uncomfortable.

Website could be better with faster access to specific flight information and boarding pass once reservation is made. Not a fan of no seat selection on line. I had to consult gate agent each time to change seats on flights with lots of open seats. This cannot possibly be cost effective for airline. On plus side, Alaska seat legroom seemed larger than American. ns

I booked a round trip. I ordered a lunch going and a lunch for the return but got both lunches going. Could have been my error. Both lunches were good.

We were singled out, greeted and helped with check-in at the busy airport. They offered to take our bags there and gave no fuss when we said they were carry-on. With United just last week I had to put up a fight just to get onto the flight with my one authorized carry-on.

You no longer give receipts for baggage at the counter. And it is next to impossible to get it on your webpage. Spent 20 min trying and gave up... I need receipt to submit for reimbursement and don't have time to waste on your poor webpage Disappointing .....

The flight was jumping between being delayed and closer to schedule about 5 times. Alaska air website showed incorrect times while google had latest info. This panic was horrible to deal with.

Overall it was good. There was a delay in departure, which is why I did not rate it as excellent.

More leg room would be nice. Especially for older people

The lead steward kept singing about "San Francisco" and hotel California---more annoying than humorous....needs work. Flight was smooth and on time.

No delays and arrived to destination 30 min early. Staff was super friendly.

San Diego airport is brand new, spacious, airy and very smooth checkin at SW baggage drop.

Crew could have been friendlier, maybe I'm spoiled by SW crews. In flight wifi was good. Would be nice to have more food offerings on a 4 plus hour flight

Everything a cheap airline should be at normal airline rates.

Ever since Southwest starting charging for bags, passengers don't want to pay to check their bags, so the gate agents have to beg people to check their roller bags now because there's "not enough space". This was a terrible business move by Southwest.

Full cans of soda would be nice. A choice between two snacks would be appreciated.

Tried watching free movie and it kept freezing so I couldn’t finish.

Sacrament staff are always polite and helpful. Airport is easy to maneuver and boarding is straightforward.

I was re-booked onto another flight because my original flight was delayed and I would have missed my connector. I ended up in the “C” group after paying extra to be in the “A “ group on the original flight. At least if you’re going to re-book people, re-book them into the same group.

A little late at the start but all worked out well.

I liked the humor of the captain and crew on the flight from Flagstaff to Dallas. They were humorous.

After arriving in Dallas, the aircraft taxied for an unusually long time and was unable to park at the gate, which caused a significant delay and made me miss my connecting flight. I then had to wait in a very long line to be rebooked, and I was told that no hotel or meal accommodations would be provided. What is even more unacceptable is that my luggage was mishandled and has still not been located. My suitcase contains important medications that I urgently need, and I have been unable to access them due to the airline’s mishandling. This situation has caused me considerable stress and inconvenience, and I need this issue to be resolved immediately.

I appreciated that it was on time, safe and professional. I didn’t like that I wasn’t in a place where I had a window at my window seat. It would have been nice to know that in advance. If it was mentioned in the ticketing, I didn’t notice it.

I have a gluten allergy so didn't have any food

Baggage handling poor. Second time this has happened. My bag went to San Francisco instead of Fiji. No apology. Luckily Nadi airport staff are fantastic. My bag arrived in Fiji the next day.

Wish a flight with more than 2 hours with some snack rather than just cookie/biscuit.

Flight delayed and missed connection. Rescheduled flight cancelled after 6 hrs wait. Rerouted thru ORD, flight cancelled, overnight stay in ORD. Still in the air on new flight!

Delayed delayed delayed and no offer for food or vouchers

A couple ladies from the crew were so rude and nasty. Thought they were mad at having to be there especially if you asked a question. This will make me think twice next time if I book a flight with you.

Uncomfortable seats and tiny tray table. Expensive snacks. Flight was on time and crew was pleasant but take me back to Southwest!

Boarding and unboarding processes were pretty smooth. I gave a low score for Boarding because of how my flight was missing from all the boards at the airport, and when I checked the flight status on the Spirit website, it said it would be departing from Terminal E, gate D15. There are no "D" gates in terminal E.

The flight was on time and the crew was very professional and accommodating. When other airlines are canceling flights Spirit is still flying with on time flights. I have no complaints and will continue to choose Spirit when it is the best option for me.

Prices for bags are extremely expensive and if you go higher on weight, the charge is ridiculous.

Waited at the airport for over 4 hours to board this flight. Terrible airline

Flight was good and on time. Everyone was nice. Seats aren't very comfortable

The seats are too small the plane makes weird noise when landing 🛬

For the minimalist experience, it is really a great ride-- feels a little like public transport i guess

I didn't order food. I requested a Tomato juice and was given a boody mary mix. The serve needs to warn the customer what their given. It wasn't a huge deal, but I wasted $4.50.

EVERYTHING! It was so bad that I will be filing a claim for reimbursement for my seat as I could not fully sit in it due to an obese person being next to me and spilling over into my "space." And my personal item in the overhead been got crushed between two suitcases, so now my business laptop has been damaged beyond repair. Also, it was expensive! Since you pay for EVERYTHING, the cost of the trip was probably more than if you I used an airline that was not discounted. I will NEVER fly Spirit Airlines again!

When I wanted to check in 3 hours prior to boarding time, the employees mentioned “a little over an hour delay” so I waited for an hour then I went to go look for food in the terminal and most people from that flight were in the same area looking for food. Finally I decided after food to check to see if it’s anytime closer and now it’s 2 mins until boarding closes?! What are you kidding me? I didn’t receive anything via sms about boarding now nor via email or on the intercom. I luckily made it through, barely, and then there’s no room for my carry on mind you I’m in the very first row so I had to place my purse in one further row back and my carry on sections down. Not sure who pays for better seats to get your stuff placed all over the plane but that was the worst experience I’ve ever had flying with anyone.

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.

baggage clamed had to wait over a hour and half for all people on my flight it was terrible

My flight was canceled I was promised a reginf still not received.

The confirmation # CK8GNW and my name was not recognized/in Frontier system. I was able to check in on Frintier app so i went to the Frontier ticket agent, at time they told me that my name/ confirmation did not show up as a purchased ticket. I had to purchase a new ticket that cost $289.00 one way.

Cancelled flight after I arrived at airport after 75 min drive and parking. Next flight was 4 days in the future. Had to scramble and buy a much more expensive flight on another carrier.

I liked the turn-style feature at gate 209B at LAX. Very efficient process. The gate staff also made several, clearly directed announcements so I felt very informed.

Worst airline experience. They were rude and kept changing our seats and/or giving our seats away so our family didn’t get to sit with each other. Almost everyone we dealt with at both airports with this airline was rude. The app kept giving us wrong information making things take longer. Dealing with them before TSA can take close to an hour…longer than I’ve ever had to deal with before. Never using this airline again.

The seats were awful, hard plastic covered in sheet vinyl. The airline tries to scam you into paying extra to get seat together when the flight wasn’t full. They were going to separate a family with young children but my wife who had a row to herself gave up her seat so the young mom could be with her young boys. I’m never giving this airline my money again.

It was a short flight so no food or entertainment….

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

Information on your arrival and departure airports