$116 Find Cheap Flights from Boston to Phoenix

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Phoenix departing on 4/24. 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 Phoenix

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Phoenix.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Phoenix.
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$231
Overall average: $362
Frontier
Tue 5/12Mon 5/18
BOS - PHX • 1 stop
Cheapest non-stop
$232
Typical prices: $280-$454
JetBlue
Tue 5/12Tue 5/19
BOS - PHX • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
JetBlue offers free Wi-Fi and live TV for all passengers.
Use the Sky Train for easy access to downtown Phoenix.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Cheapest • from $231 (round-trip)
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
You can fly direct with American Airlines, Delta and JetBlue. Average duration is 5h 56m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Top routes
Cheapest
Most popular
Insights
Insights
Insights
Insights
Avoid delays
Most punctual • 84% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 32% compared to booking last minute.
Insights
Insights
Insights
Insights
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 Phoenix!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Boston to Phoenix (BOS-PHX)

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

Tue, May 12 - Mon, May 18
Frontier Logo
10:07 am - 10:45 am
BOS
-
PHX
27h 38m
1 stop
Frontier Logo
12:23 am - 9:12 am
PHX
-
BOS
29h 49m
1 stop
$231Frontier
Tue, May 12 - Tue, May 19
JetBlue Logo
9:32 am - 12:22 pm
BOS
-
PHX
5h 50mnonstop
JetBlue Logo
10:10 pm - 6:10 am
PHX
-
BOS
5h 00mnonstop
$232JetBlue
Sun, Mar 29 - Tue, Apr 7
JetBlue Logo
6:07 pm - 9:09 pm
BOS
-
PHX
6h 02mnonstop
JetBlue Logo
11:48 pm - 7:37 am
PHX
-
BOS
4h 49mnonstop
$234JetBlue
Sat, Apr 11 - Sat, Apr 18
Frontier Logo
5:30 am - 4:09 pm
BOS
-
PHX
13h 39m
1 stop
Frontier Logo
12:38 pm - 1:31 am
PHX
-
BOS
9h 53m
1 stop
$235Frontier
Sat, Apr 4 - Wed, Apr 8
United Airlines Logo
3:05 pm - 8:19 pm
BOS
-
PHX
8h 14m
1 stop
United Airlines Logo
6:05 am - 4:49 pm
PHX
-
BOS
7h 44m
1 stop
$237United Airlines
Sat, Apr 11 - Sat, Apr 18
Multiple Airlines Logo
7:55 pm - 10:53 pm
BOS
-
PHX
5h 58mnonstop
Multiple Airlines Logo
12:38 pm - 1:31 am
PHX
-
BOS
9h 53m
1 stop
$239Multiple Airlines
Sat, Apr 11 - Sat, Apr 18
Frontier Logo
5:30 am - 4:09 pm
BOS
-
PHX
13h 39m
1 stop
Frontier Logo
12:38 pm - 1:31 am
PHX
-
BOS
9h 53m
1 stop
$241Frontier
Thu, Jul 2 - Wed, Jul 8
Allegiant Air Logo
12:06 pm - 9:25 am
BOS
-
AZA
24h 19m
1 stop
Allegiant Air Logo
9:45 am - 11:16 am
AZA
-
BOS
22h 31m
1 stop
$416Allegiant Air
Sun, Jun 28 - Wed, Jul 8
Allegiant Air Logo
12:07 pm - 7:57 am
BOS
-
AZA
22h 50m
1 stop
Allegiant Air Logo
9:45 am - 11:16 am
AZA
-
BOS
22h 31m
1 stop
$427Allegiant Air
Thu, Apr 30 - Sun, May 3
Sun Country Air Logo
11:40 am - 4:25 pm
BOS
-
AZA
7h 45m
1 stop
Sun Country Air Logo
5:05 pm - 10:39 am
AZA
-
BOS
14h 34m
1 stop
$485Sun Country Air
Booking Insights

KAYAK's insights & trends for Boston to Phoenix flights

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

What is the cheapest Boston to Phoenix flight route?

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

The cheapest return flight from Boston to Phoenix costs $219 on the route between Boston (BOS) and Phoenix Sky Harbor Intl Airport (PHX). It is also the most popular route.

What’s the cheapest day of the week to fly from Boston to Phoenix?

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

If you are looking for a flight deal from Boston to Phoenix, look for departures on Wednesdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Phoenix, Wednesday is the cheapest day to fly and Sunday is the most expensive.

What is the cheapest month to fly from Boston to Phoenix?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Boston to Phoenix, 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 Boston to Phoenix is January, where tickets cost $292 (return) on average. On the other hand, the most expensive months are April and December, where the average cost of round-trip tickets is $403 and $391 respectively.

How far in advance should I book a flight from Boston to Phoenix?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Boston to Phoenix, 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 Boston to Phoenix, you should book around 5 weeks before departure, which saves you about 32% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

Expert advice

Expert advice for your flight from Boston 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 and JetBlue

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.

Stefanie Waldek

Stefanie Waldek

Expert on Delta

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.

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.

Blane Bachelor

Blane Bachelor

Expert on BOS

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.

Good to know

Cheapest flight$116
Flight from Boston to Phoenix Sky Harbor Airport

When to book flights from Boston to Phoenix

Are your dates flexible? Find out the best times to travel from Boston 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 flights from Boston to Phoenix

  • What is the cheapest flight from Boston to Phoenix?

    In the last 3 days, the lowest price for a flight from Boston to Phoenix was $116 for a one-way ticket and $231 for a round-trip.

  • Do I need a passport to fly between Boston and Phoenix?

    Yes, you’ll need a passport to travel to Phoenix from Boston.

  • Which airports will I be using when flying from Boston to Phoenix?

    Boston is served by only 1 airport and there are 2 airports in Phoenix. You will leave Boston from Boston Logan Intl and you will be arriving in Phoenix at one of these airports: Phoenix-Mesa Gateway or Phoenix Sky Harbor Intl.

  • Which aircraft models fly most regularly from Boston to Phoenix?

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

  • Which airline alliances offer flights from Boston to Phoenix?

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

  • How does KAYAK find such low prices on flights from Boston to Phoenix?

    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 Boston to Phoenix.

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

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

    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 with an airline and back to Boston with another airline.

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

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

Prefer to fly direct from Boston to Phoenix?

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

Direct departures

Boston Logan Intl to Phoenix

Monday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Tuesday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Wednesday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Thursday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Friday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Saturday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Sunday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

See more direct flights

Direct returns

Phoenix to Boston Logan Intl

Monday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Tuesday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Wednesday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Thursday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Friday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Saturday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Sunday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

See more direct flights

Reviews of the top 5 airlines serving from Boston to Phoenix

 
See real verified KAYAK customer reviews for airlines flying from Boston 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 Boston 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 4320 reviews
7.5Entertainment
8.0Comfort
8.6Crew
7.0Food
8.1Boarding
Airline reviews

We had a 5 hour delay on the tarmac in Baltimore

2.0 MediocreDavid, Mar 2026
ALB - BWI
Read more Southwest reviews

We had a 5 hour delay on the tarmac in Baltimore

Long layover between flights to Long Island from BWI - need better coordination between flights

I elected to pay for the upgrades and found very little difference

The new seating arrangement is so over priced for what you get.

The problem with the seat assignments is that there were a lot of rows in the front that were empty but my row at the back was full. Just not so pleasant.

No food or entertainment, just a quick 40 minute flight. A little bumpy due to Santa Ana winds but pilot has no control over that. Good flight and landing!

Good but I prefer choose your own seat. With the new assigned seats they should board from the back I see no advantage to this new boarding. Just like every other airline

I realize they are still working out kinks with the new boarding process, but by the time I boarded in group 5, most of the bins were full. All airlines should better enforce small bags and jackets going under the seats until everyone has boarded.

WiFi was not working and didn’t have a beverage service

Snacks are always pretzels. Why can't you also offer peanuts ?

Perhaps when you’re sitting in 1st class and the crew closes the bathroom for the pilots, there could be a notification other than holding your hands up as a blockade when you get there and you’re told the restrooms are closed please turn around … especially at night when visibility is poor and you’re met by a flight attendants with their arms up

First class is comfortable. Enjoyed a movie and was able to relax compared to coach.

Loved flying First Class. Very comfortable. The seat was amazing. Enjoyed a movie and was able to relax so much better than in coach.

We landed and sat on the tarmac for 45 minutes because they only have one gate at the airport and there was another plane running late so we had to wait

The WiFi was not working. That made for a long flight.

Absolutely no communication on why there's a delay and multiple flight time reschedules. I would have canceled the flight and drove back home if I known it was going to be rescheduled 3 or 4 times.

Another late night flight and MORE men belligerently drinking and yelling. I had to move from first to economy because they were so obnoxious and disruptive. Crazy to go from a cozy chair to cardboard when you were supposed to be in first. Delta allows was too much drinking which leads to belligerent behavior.

I was in first class and literally the men behind me were so aggressively loud I moved myself to economy. This has become so common on Delta - people using audio without headphones, and men on 12am / late night flights drinking and yelling to talk to each other which prevents anyone around them from resting. Pretty crazy to have to move from first to economy (poorer service, less comfort...). Wild wild. Looking into other airlines.

Love delta smaller commuter plane so no entertainment and paid wifi on MKE-LGA leg was extremely unreliable and slow

Stop changing gates. Stop cancelling flights Stop moving my seat.

United is one airline which regardless of how many separate United tickets in existence, if one flight breaks down, the airline will take care of all the flights.

Both our flights were delayed. Almost didn’t get in the second flight. Staff was rude to the bone.

Both my flight where delayed Had 25min to make it to my transfer flight

Everything was on time and service on the flight was great!

Wifi Bluetooth features for watching in flight movie was horrible. Screen kept blacking out no connection of sound although it said connected. Other than that smooth trip .

The travel company that you have on your site did me so wrong. I don’t know how it happened, but they put my son‘s name on my plane ticket flying to Vietnam. Along with his birthday. They would not have let me fly from Fort Myers to Ho Chi Minh City. I don’t think that I can ever use your service again. I typed my information into the browser along with my passport number and four days before I’m leaving I have to quickly search another ticket to fly out here.

Seats are uncomfortable. This has been a trend in the industry for decades. Trying to fit more seats on each plane to increase profits at the expense of the passenger.

The flight was delayed so we were dead tired, and after that the turbulence was horrible. I was very scared.

It’s always a great time flying with united airlines.

Good flight. Efficient boarding and competent flight crew. No problems until we arrived at our destination gate. We were early so there was an aircraft at the gate that had to move before we could pull in. Then, due to the type of aircraft we flew, the cabin door could not be opened until some luggage from the cargo bay was offloaded to preserve center of gravity characteristics. So, that further delayed deplaning. Despite being 20 minutes early on landing, we ended up being 5 to 10 minutes late after all the delays.

Delayed by 1.5 hours. Terrible apologies, half hearted at best. It will be a LONG time until i book w Jet Blue again. Very disappointed.

My check in was stressful. I somehow lost my seat from my original booking, the plane showed no availability/no seat when it was time to check-in. I called and was instructed to try to get a seat at the airport. I asked if it was a full flight and the travel agent said the site showed some seating but was not able to secure one for me. Why not? On my way to the airport the app finally revealed one available seat towards the back of the aircraft that I was able to book. It ended up being an overbooked flight, so glad I wasn't stuck.

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.

They made me check my bag and I didn't need to as there was overhead space available. I paid for a seat towards the front of the plane and it didn't recline. I requested a refund and they declined to give me one.

I have to congratulate Kayak (and Dylan the Chatdeal agent) because because when we decided extended our trip in Florida by two days, there were many direct flights oprions back to Boston available on the Friday we wanted to fly on the JetBlue website, but once I canceled the original JetBlue flight on their website, those direct return options disappeared immediatley! I think it's a game JetBlue plays. . Luckily, I checked Kayak and they had a direct flight that wasn't appearing on JetBlue's website and so I booked it, and we were able to fly home direct through the Kayak booking when JetBlue was offering nothing (even though I have been a True Blue member for 20 years, and also am a Mosaic member). So much for loyalty- their algorithm for booking is like a shell game. JetBlue used to be a good company but now they're worse than anyone. Also I was originally booked this trip to Florida, two months before the departure date, I booked the trip on JetBlue's website and then after the payment part, they said there was a problem and that I needed to do the booking again, so when I immediately went to rebook , the price had gone up 30%! I called them and it sounded like they had heard this so many times before and the guy told me to check back in 10 minutes and the price would be back to where it was when I was booking- it but it never was. How could the price go up 30% in one minute two months before the flight???? They're playing a game with their customers. Anyways, I booked a cheaper flight then at a less convenient time. So fast forward two months the night before the 7 AM flight, they sent me an email at midnight when I was sleeping to let me know that my flight at 7 AM had been canceled. The only thing they offered was a flight that night from from a different airport (Providence) to a different airport in Florida (West Palm Beach) or a flight two days later. No compensation, nothing. They couldn't of tried to get another plane to the Boston airport? They had all night to do it. I passed on their ridiculous options and flew with Delta and it was a great experience. Of course, I had to pay a lot more booking on the same day, but JetBlue doesn't care. I put in a lengthy complaint with the agent who assured me someone would get back to me by email within three days and I haven't heard a thing. JetBlue used to be a good company but now they're among the worst. The only thing they still have is decent legroom, but the corporate bean counters will probably start taking that away too.

We were made to wait in the airport for six hours for a flight that was ultimately canceled.

Both flights were significantly delayed. The flight experience itself was great.

My flight got delayed and eventually canceled, then rescheduled. I and several others had a connection from Boston to Paris and asked several times if we would make it. They assured us we would and then rebooked us mid flight without our consent and closed doors early even though they said they communicated we were a bit delayed. We got stranded in Boston and I opted with being rebooked for a different connection to France since they refused to pay for a Hotel. I've now been in Europe for 5 days and still haven't recieved my bags. There was absolutely no urgency for the fact that I'm in a foreign country with absolutely no change of clothes or any of my medication. Such an overwhelming and frustrating experience.

Automated scanning was slow and somewhat haphazard. Too many people were unfamiliar with the tech and were forced to learn on the fly. The hands off approach of the gate staff made it more uncomfortable. This needs work. Overall the flight and cabin crew were excellent.

The crew for the flight was A+ top notch. They were friendly and professional and made the flight a very relaxing and enjoable.

Never going to fly your airline again if it can be avoided.

Worst experience ever. Flight could not land in Charlotte for what we were told was a ground stop. Had to be diverted to Raleigh to refuel. Strangely during ground stop, our connecting flight had no issue taking off on time causing us to miss our flight. We were told there were no other flights that day to our final destination and that two days out was the next one. The only flights to get us there were from Chicago the next morning. Completely opposite direction but it was a direct flight. So we get flown to Chicago and have to find a hotel in our own dime. The flight in the morning was also delayed. Thankfully only a short time. The non too of all this, our luggage did not arrive by the time we were there. Communication was terrible, through the entire trip. Complete incompetence. Will never fly American again.

I like that the flight attendant was very attentive and helpful. The meal menu could have more of an variety of food choices.

The flight was fine, once we got underway. It was more than hour delayed

The flight was significantly delayed for 6.5 hours because of snow. There was no communication once the plane returned to the gate regarding when the flight would resume. Other flights were departing while our flight was being unloaded for reasons unknown. Our flight also seemed out of the queue regarding further deicing, refueling, and waiting to Taxi to the runway.

Arrived 40 min early which was great - sat in runway for 35 min so no gain. Then waited for luggage 45 min. They need to staff accordingly knowing its one of the busiest week in Phx

My flight got rerouted due to crew rest. I was sent to Dallas customer service was not very polite. Was given a $40 room voucher for Motel 6 and $12 to eat with. It delayed me by a day. Where if I would have just stuck with my original flight Arizona was delayed to Cleveland and I could have made it home. They put me on a 9:00 flight out of Dallas to Cleveland without my knowledge or consent. When originally I was told it would be 8:45 a.m. on February 1st. I told them I could not take the 9:00 flight because I did not have anybody to pick me up from the airport at that time. I'm extremely disappointed in how I was treated. And I will not fly American Airlines again.

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

The plane was experiencing problems with the HVAC system, it was very cold in the front of the plane and very hot in the back.

Trip delayed for 2 hours because of rain. We boarded and have to get down the flight and reboard again.

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

Information on your arrival and departure airports