BIL - PHX

$98 Find Cheap Flights from Billings to Phoenix Sky Harbor Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Billings to Sky Harbor Intl departing on 12/15. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Phoenix Sky Harbor Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Billings to Phoenix, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Billings to Phoenix, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Billings to Sky Harbor Intl (BIL-PHX)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Billings to Sky Harbor Intl 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 Billings to Sky Harbor Intl

Wed, Dec 3 - Sat, Dec 6
United Airlines Logo
2:40 pm - 9:16 pmBIL-PHX
6h 36m1 stop
United Airlines Logo
2:51 pm - 9:21 pmPHX-BIL
6h 30m1 stop
$197United Airlines
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Wed, Dec 3 - Sat, Dec 6
United Airlines Logo
2:40 pm - 1:15 amBIL-PHX
10h 35m2 stops
United Airlines Logo
2:51 pm - 9:21 pmPHX-BIL
6h 30m1 stop
$202United Airlines
Find Deal
Wed, Dec 3 - Sat, Dec 6
United Airlines Logo
2:40 pm - 1:15 amBIL-PHX
10h 35m2 stops
United Airlines Logo
11:03 am - 9:21 pmPHX-BIL
10h 18m2 stops
$207United Airlines
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Thu, Oct 9 - Sun, Oct 12
United Airlines Logo
5:00 am - 8:43 amBIL-PHX
4h 43m1 stop
United Airlines Logo
6:00 am - 1:18 pmPHX-BIL
6h 18m1 stop
$230United Airlines
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Wed, Feb 18 - Tue, Feb 24
Alaska Airlines Logo
3:35 pm - 11:49 pmBIL-PHX
8h 14m1 stop
Alaska Airlines Logo
6:00 am - 1:15 pmPHX-BIL
7h 15m1 stop
$261Alaska Airlines
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Mon, Sep 29 - Fri, Oct 3
Alaska Airlines Logo
7:18 pm - 11:00 amBIL-PHX
16h 42m1 stop
Alaska Airlines Logo
6:10 pm - 1:19 pmPHX-BIL
18h 09m1 stop
$267Alaska Airlines
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Thu, Oct 9 - Sun, Oct 12
 Logo
9:35 pm - 11:27 pmBIL-PHX
26h 52m2 stops
 Logo
1:43 pm - 8:45 pmPHX-BIL
6h 02m1 stop
Thu, Jan 15 - Mon, Jan 19
American Airlines Logo
5:08 am - 7:50 amBIL-PHX
2h 42mnonstop
American Airlines Logo
7:50 pm - 10:22 pmPHX-BIL
2h 32mnonstop
$369American Airlines
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Thu, Dec 4 - Sun, Dec 7
Delta Logo
5:15 am - 9:48 amBIL-PHX
4h 33m1 stop
Delta Logo
6:25 pm - 12:22 amPHX-BIL
5h 57m1 stop
$389Delta
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Fri, Nov 7 - Sat, Nov 8
American Airlines Logo
2:00 pm - 9:19 pmBIL-PHX
7h 19m1 stop
American Airlines Logo
6:25 am - 1:30 pmPHX-BIL
7h 05m1 stop
$404American Airlines
Find Deal

Everything you should know

Top airlines
United Airlines
Cheapest • from $197 (round-trip)
Alaska Airlines
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to book
3 weeks
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 39% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
July
Cheapest • 12% price drop
March
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest round-trip
$197
Typical prices: $358-567
United Airlines
Wed 12/3Sat 12/6
BIL - PHX • 1 stop
Cheapest non-stop
$369
American Airlines
Thu 1/15Mon 1/19
BIL - PHX • Non-stop
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Sky Harbor Intl!
Booking Insights

KAYAK's insights & trends for Billings to Sky Harbor Intl flights

Get data-powered insights and trends into flights from Billings to Sky Harbor Intl to help you find the cheapest flights, the best time to fly and much more.

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

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

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

Your flight ticket price will generally be cheaper if you fly to Phoenix Sky Harbor Airport on a Wednesday and more expensive on a Sunday. On your return trip to Billings, you should consider flying back on a Wednesday, and avoid Mondays for better deals.

What is the cheapest month to fly from Billings 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 Billings 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 Billings to Phoenix Sky Harbor Intl Airport is July, where tickets cost $340 (return) on average. On the other hand, the most expensive months are December and March, where the average cost of round-trip tickets is $474 and $420 respectively.

Can I save money by flying with a layover from Billings 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 $313 on average.

How far in advance should I book a flight from Billings 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 Billings 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 Billings to Phoenix Sky Harbor Intl Airport, you should book around 3 weeks before departure, which saves you about 39% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

Good to know

Low seasonJune
Cheapest flight$98
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly with an average 8% increase in price.
Flight from Billings to Phoenix Sky Harbor Airport

When to book flights from Billings to Sky Harbor Intl

Are your dates flexible? Find out the best times to travel from Billings to Sky Harbor Intl 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 Billings to Phoenix Sky Harbor Airport flights

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

    In the last 3 days, the lowest price for a flight from Billings to Phoenix Sky Harbor Intl Airport was $98 for a one-way ticket and $197 for a round-trip.

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

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

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

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

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

    The Embraer 175 is the aircraft model that flies most regularly on the Billings to Phoenix Sky Harbor Airport flight route.

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

    oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between Billings and Phoenix Sky Harbor Airport, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from Billings to Phoenix, Alaska Airlines or Delta?

    The two airlines most popular with KAYAK users for flights from Billings to Phoenix are Alaska Airlines and Delta. With an average price for the route of $417 and an overall rating of 8.0, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $384 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from Billings 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 Billings 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 Billings 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 Billings 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 Billings 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 Billings with another airline. Booking your flights between Billings 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 Billings 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 Billings up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 5 airlines serving from Billings to Sky Harbor Intl

 
See real verified KAYAK customer reviews for airlines flying from Billings 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 Billings to Sky Harbor Intl? 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 10000 reviews
7.8Comfort
7.0Entertainment
7.1Food
8.5Crew
8.1Boarding
Airline reviews

Planes were on time. Pilot kept everyone updated. Crew was friendly and helpful

10.0 ExcellentAnonymous, Aug 2025BIL - PDX
Read more Alaska Airlines reviews

Planes were on time. Pilot kept everyone updated. Crew was friendly and helpful

I had a horrible and traumatic bullying experience the last time I flew ( frontier). I was incredibly anxious about these flights. However, it was so relaxed, organized and the crew was efficient and polite. It was so refreshing and relaxing.

Didn't care for the crowding at the gate area at SEA TAC. Not a fault of the airline.

I have mobility problems and requested wheelchair assistance in Seattle and Anchorage and none was provided at all. Very disappointed. Only one gate agent in Seattle asked if I needed assistance boarding my flight in Seattle.... and only after three gate changes.... requiring even more extremely painful walking without assistance.

I recently flew with Alaska Airlines on a trip to Oregon and had a very frustrating experience that I hope the airline can learn from. I purchased upgraded seats with extra legroom for my flight, paying the additional fees for the comfort and space. During my trip planning, I called customer service to inquire about their pet travel policies and conditions, as I was considering bringing my dogs. However, I ultimately decided NOT to bring my pets and never authorized or confirmed any pet travel arrangements. Despite this, Alaska Airlines took it upon themselves to change my seat assignment without any notification or contact. When I arrived for my flight, I discovered that my paid upgrade had been downgraded to a regular seat - presumably because they assumed I would be traveling with pets based on my inquiry call. I hope Alaska Airlines will improve their communication processes and ensure that customer inquiries don’t automatically trigger booking changes without explicit customer authorization. Better staff training on distinguishing between inquiries and actual bookings would prevent this type of situation in the future. While I appreciate that the airline tries to accommodate pet travelers, making assumptions and changes without customer consent is poor service that needs to be addressed.

Flight was delayed and hour due to tire issue. First flight of the day, this issue should have been discovered prior to boarding.

One of the best roundtrip flights I’ve ever been on. We needed assistance for my elderly mother and without fail, each and every Alaska team member was helpful, kind, and patient. Will fly Alaska again and again.

OUr pilot was very good and also a good landing in a very gusting Phoenix. Most important.

Close boarding too early we’re willing to not let people on flight that could not check in. What ever happened to customer service? Three of us had to fight to get on plane shameful

Crew was overly aggressive with rules enforcement and not friendly in general.

Perfect flight both ways. On time, courteous staff, plane comfortable and cool. Best domestic flights I’ve had in awhile.

Really low quality food especially for an international flight. The crew also was surprisingly unpleasant except couple of ladies. I know we were not in first class but that’s no reason to treat customers as less.

Flight delayed for two and half hours and then canceled altogether due to mechanical issues. No mechanic onsite to fix so had to send one from LAX.

Crew was good. The reservation got mixed up and they didn't have my TSA number. I am also a Silver Medallion and wasn't able to use Sky Priority.

Delta made it easy, comfortable and timely. The crew was fantastic.

This route with Delta always has delays or is cancelled. Aircrafts seem smaller and older. I fly Delta quite a bit - haven’t had issues with the international flights. But this route has always been the troublesome one

Three seats in first class were broken and while they were able to still acommodate us it was looking very touch and go and they had others they could not acommodate

Mechanic delay in addition to a 2 hour change in takeoff time was frustrating.

Delayed due to thunderstorms and no in-flight service due to rough weather — both of which are out of Delta’s control. Flight was good overall.

The flight attendants in SLC were rude. I arrived 40 minutes early to gate. Ticket said I needed check in for seat assignments and tried check in and attendants said they weren’t doing it. And proceeded to never call me to give me a ticket so when time to board I received the very last seat. Please relay to employees to do their job better..,

The newer screen was super cool and had the option to watch many different shows or movies. Crew was polite and helpful. However again, many children screaming bloody murder and kicking my seat, and parents doing nothing about it as usual.

Flight was good and crew was super polite. However, there were around 5 kids screaming the WHOLE 2 hours. I understand kids have to come but parents need to do something to control their children. They make the experience terrible, especially after finishing 16 hour shifts at the hospital I needed some sleep, which I did not get.

IAD with the archaic people movers is just a place to be avoided.

All of the United employees I interacted with were professional and courteous. The aircraft was clean, the food on the flight was good. No complaints here.

Armrest controller on my seat 35D and nextbooennseat 35E did not work right. Hard to press buttons to recognize and 35D had constantnpressure either upmost down somit was nearly impossible to make selections. .

I flew with my dog and had already purchased my dog’s ticket. Even that morning I had called costumer service to insure that my husband and I had seats together since the website was giving me an error when choosing our seats and the representative mentioned our dog. I showed up early to the airport and when I got to the gate and we started boarding I was help back and told that I was supposed to have a yellow tag and that I should have checked in at the counter for them to give me that tag. I was not aware of this, the representative on the phone did not say anything. Nor did I see it anywhere in the checking process online, so if you travel with a pet and are not checking in luggage, just know that you still have to go to the check in counter when arriving at the airport unless you want to be the last one to board and not have room for your carry on in the overhead bins. Other than that, I had a great experience.

Once we got in the air the pilot made up some of the time of the delay. So that was really nice.

I understand stuff happens, but plane failures are likely due to lack of maintenance. Additionally, air conditioning wasn't working, no snack/drink service, no WiFi. Fortunately, the crew was communicative and light-hearted. United grabbed another plane and we were able to get to our destination.

There was no food available for this red eye... one little waffle cookie for a 6+ hour flight... thank God I was able to sleep some

It is clear that someone knew, and competent, is in charge of food at United Airlines at least for the international flights. I was flying in coach, but the choices of the dinner were excellent. Tasty, and appropriate size. I had the beef, which was a little bit like a shepherds pie, and it was good. Nothing comparable has been served on a United flight in years. It will not be confused with three star food, but it is very good for airline food. Even better was the breakfast choice between a cinnamon roll and a breakfast sandwich. I chose the breakfast sandwich which was absolutely delicious and which I would happily order again at my local Starbucks or Panera. It is clear that someone knew indifferent is in charge of the food and it’s about time.

As smooth as you can expect. Some issues with boarding because the previous plane took forever to deplane but overall, a good experience.

After a two hour delay, my flight was CANCELLED! No pilot available. Such BS.

I miss the screens they used to have for the long flights. I use a Kendal and it doesn’t work well with there WiFi. I tried my cell and the wifi was not good for it either this is the free wifi.

Update departure times in a more timely manner. We are not boarding on time if the plane isn’t arriving until after our scheduled departure time.

Very friendly and efficient and smooth boarding. We were even way early arriving at my destination. Thank you.

The trip was very smooth and they provided great customer service

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!

The seats were crammed and the guy in front of me wouldn't stop reclining. If AA is cramming extra rows in, they need to take away the reclining in coach. My knees were smashed for 4 1/2 hours and I was very close to confronting the passenger in front of me.

What, first class and not even a cup of coffee before landing at 5 am in First Class? Really?

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.

Crew was great. No entertainment and food and beverage was for purchase only, even water

It was canceled. The flight wasn’t rescheduled, everyone had to figure out their own new arrangements. They said we would get refunded our original fare and receive an additional $150. We received links for $100 only and they expired before we could activate them.

The plane had originated in Las Vegas at 6:30 in the morning and flew to Moline where we boarded. The flight left around 12:30 PM and there were no boxed snacks available and many of the alcoholic beverages were unavailable. I would find it hard to believe that that many of the passengers coming from Las Vegas at 6:30 in the morning, drank and ate that much of the items. I can only come to the conclusion that someone failed to stock the plane for the round-trip. This is a huge revenue failure for the airline and disappointment for the passengers. The flight crew did not seem happy to be there and did not engage with passengers. Allegiant you can do better.

They did not let my husband on the plane with our service animal at the last minute. Do NOT fly this airline with a service animal!

Tight! Seats are not designed for those of us who wear extra-large clothes.

The non-stop flight from Grand Rapids was excellent. I neither expected or needed a budget flight and Allegiant made the trip easy and for an affordable price, Arriving at the Mesa Airport (AZA) is a delight compared to the international airport. For our return flight, we were able to arrive 75 minutes before the flight, return the rental car, check our bag and make it to the gate in plenty of time. That would never happen at most airports.

Easiest flights I’ve ever taken. Plane was comfortable without overly crowded seating.

Terrible. Still have not received the refund from them. They sent it to some account that I don't even know. Spoke with costumer service and they are unable to help.

I didn’t like it at all. I miss my second flight because of the delay on Allegiant Air now I m stuck in MCO.

Good, but a bit late on take off after loading. Don't like charging for carry ons!

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