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$117+ Cheap flights from Boston (BOS) to Phoenix

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PHX
janv. 9 — janv. 161
ven. 1/9
ven. 1/16
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Phoenix are usually found in January or August, booked 32 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Boston to Phoenix

Cheapest flights from Boston to Phoenix
Explore the most affordable flight options available from Boston to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on décembre 10, 2025.

This JetBlue deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/314:50 pmBOS - PHX
Nonstop6h 01mJetBlue
mer. 1/710:19 pmPHX - BOS
Nonstop4h 41mJetBlue
Deal found 12/8$242
This JetBlue deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/314:50 pmBOS - PHX
Nonstop6h 01mJetBlue
ven. 1/910:19 pmPHX - BOS
Nonstop4h 41mJetBlue
Deal found 12/8$252
This Kiwi.com deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/306:00 amBOS - PHX
1 stop10h 58mAlaska Airlines
ven. 1/28:20 amPHX - BOS
1 stop8h 03mAlaska Airlines
Deal found 12/9$253
This Frontier deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 12/198:18 amBOS - PHX
1 stop10h 47mFrontier
jeu. 1/86:47 pmPHX - BOS
1 stop11h 06mFrontier
Deal found 12/10$267
This Kiwi.com deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/3112:29 pmBOS - PHX
2 stops23h 03mMultiple Airlines
jeu. 1/86:47 pmPHX - BOS
1 stop11h 06mMultiple Airlines
Deal found 12/8$273
This Delta deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/318:45 amBOS - PHX
Nonstop5h 49mDelta
jeu. 1/81:45 pmPHX - BOS
Nonstop4h 47mDelta
Deal found 12/8$277
This Priceline deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/314:50 pmBOS - PHX
Nonstop6h 01mJetBlue
dim. 1/2510:19 pmPHX - BOS
Nonstop4h 41mJetBlue
Deal found 12/8$282
This Kiwi.com deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/1710:56 amBOS - PHX
2 stops14h 53mMultiple Airlines
jeu. 12/256:15 pmPHX - BOS
1 stop11h 08mMultiple Airlines
Deal found 12/8$288
This Delta deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/311:04 pmBOS - PHX
1 stop8h 06mDelta
mer. 1/77:00 amPHX - BOS
1 stop6h 57mDelta
Deal found 12/8$297
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/168:11 pmBOS - AZA
2 stops23h 02mMultiple Airlines
lun. 12/224:57 pmAZA - BOS
1 stop16h 23mMultiple Airlines
Deal found 12/10$556
This Kiwi.com deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 12/1812:22 pmBOS - AZA
2 stops26h 40mMultiple Airlines
lun. 12/224:57 pmAZA - BOS
1 stop16h 23mMultiple Airlines
Deal found 12/8$561
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 12/1111:42 amBOS - AZA
1 stop7h 36mMultiple Airlines
mer. 12/171:52 pmAZA - BOS
2 stops42h 09mMultiple Airlines
Deal found 12/10$627

Find flight deals from Boston to Phoenix

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Phoenix (PH1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated décembre 10, 2025.

Round-trip from

$207
(Delta)

One-way from

$117
(Kiwi.com)

Popular in

April

Cheapest in

January

Average price

$395
From Boston Logan Intl to Phoenix
Search Deals
One-way flight from Boston Logan Intl to Phoenix
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Phoenix that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated décembre 10, 2025.
Use the filters below to find and compare flights from Boston to Phoenix that are best for you.

Fly from

Boston

Fly to

Phoenix

Route

Depart

Return

Price

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

mer. 1/21

3:30 pm-11:44 pm

1 stop10h 14m

Phoenix Sky Harbor Intl

mer. 1/28

1:55 pm-1:04 am

1 stop9h 09m

$217

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

sam. 1/10

4:49 pm-10:59 pm

1 stop8h 10m

Phoenix Sky Harbor Intl

dim. 1/18

6:30 am-3:21 pm

1 stop6h 51m

$217

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

mar. 1/27

5:35 am-12:28 pm

1 stop8h 53m

Phoenix Sky Harbor Intl

dim. 2/1

12:59 am-10:51 am

1 stop7h 52m

$217

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

dim. 2/1

5:25 pm-11:44 pm

1 stop8h 19m

Phoenix Sky Harbor Intl

mer. 2/4

11:53 pm-10:02 am

1 stop8h 09m

$217

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

lun. 2/9

5:00 pm-9:03 pm

Nonstop6h 03m

Phoenix Sky Harbor Intl

dim. 2/15

10:29 pm-5:10 am

Nonstop4h 41m

$227

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

mar. 1/6

12:45 pm-7:22 pm

1 stop8h 37m

Phoenix Sky Harbor Intl

mer. 1/14

6:30 am-3:15 pm

1 stop6h 45m

$228

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

mar. 1/6

8:20 am-12:33 pm

Nonstop6h 13m

Phoenix Sky Harbor Intl

mar. 1/13

6:55 am-4:30 pm

1 stop7h 35m

$229

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

sam. 1/31

5:30 am-12:40 pm

2 stops9h 10m

Phoenix Sky Harbor Intl

mer. 2/4

8:50 am-5:10 pm

1 stop6h 20m

$232

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

dim. 1/4

5:20 am-11:32 am

1 stop8h 12m

Phoenix Sky Harbor Intl

mar. 1/13

12:51 pm-9:52 pm

1 stop7h 01m

$232

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

mer. 2/18

5:15 pm-9:14 pm

Nonstop5h 59m

Phoenix Sky Harbor Intl

mar. 2/24

10:29 pm-5:10 am

Nonstop4h 41m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 36 results
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Best time to book a flight from Boston to Phoenix

Have a flexible travel schedule? Discover the best time to fly to Phoenix from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Phoenix. Price data was last updated on December 5, 2025.

Booking 32 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Phoenix. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Boston to Phoenix?

Currently, January is the cheapest month in which you can book a flight from Boston to Phoenix (average of $98). Flying from Boston to Phoenix in July is currently the most expensive (average of $231). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to PHX?

Find hourly flight availability from Boston to Phoenix. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated décembre 10, 2025.

A simple way to save on the total cost of your ticket is to fly from Boston to Phoenix in the evening. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Boston to Phoenix. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boston to Phoenix flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boston to Phoenix

Explore weekly flight availability from Boston to Phoenix. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated décembre 10, 2025.

The most flights from BOS to PH1 are scheduled on a Thursday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

How often are flights from Boston to Phoenix delayed?

About 17% of weekly flights between Boston and Phoenix have experienced delays in the past year, with the average delay time being 158 minutes.

What is the most punctual flight time for Boston to Phoenix flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Boston to Phoenix flights?

Over the last year, American Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.

The best insider tips for Boston to Phoenix flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Phoenix trip
Airports
BOS

Use the FlyLogan App to pre-order food and save time at BOS. Most eateries participate, ensuring your meal is ready for pick-up.

Read more about BOSBy Paul Rubio
PHX

For quick access to downtown Phoenix, take the light rail from 44th Street Station. It’s a fast and economical option from PHX.

Read more about PHXBy Brandon Schultz
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on PHX

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Paul Rubio

Paul Rubio

Expert on BOS

Paul Rubio

Paul Rubio

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more

Reviews of airlines servicing Phoenix

Get insights into the airlines that provide service to Phoenix. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Phoenix. Reviews last updated décembre 10, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Boston to Phoenix by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,252 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Comfort

8.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,252 reviews
Southwest
7.9
Good
4,252 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Comfort

8.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,009 reviews
Southwest
7.9
Good
4,252 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Comfort

8.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,095 reviews
Southwest
7.9
Good
4,252 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Comfort

8.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,048 reviews
Southwest
7.9
Good
4,252 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Comfort

8.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
JetBlue
7.2
Good
2,898 reviews
Southwest
7.9
Good
4,252 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Comfort

8.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Boston to Phoenix. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to Phoenix?

    Located just 2.6 mi from the city center, Boston Logan Intl is the airport most travelers will use when flying to Phoenix from Boston. Booking flights from Logan Intl (BOS) to Phoenix should be relatively easy as there are 10 daily outbound flights to Phoenix from 8 different airlines.

  • How long is the flight from Boston to Phoenix?

    Departing from Boston to Phoenix will take you 6h 03m. The distance from Boston to Phoenix is about 2293 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Boston to Phoenix round-trip?

    Flying on Spirit Airlines is currently your cheapest option to Phoenix, with prices starting at $85. Additional round-trip tickets that might be worth considering are offered by Frontier and JetBlue, with the lowest prices starting at $96 and $128, respectively. Spirit Airlines is 76% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Boston to Phoenix one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $82. Frontier flights start at $85 while deals on JetBlue start at $98 one-way.

  • What are the most reliable airlines from Boston to Phoenix?

    No one likes to see their flight delayed. When booking a flight from Boston to Phoenix consider choosing Alaska Airlines (95%), American Airlines (79%) or Air France (75%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Boston to Phoenix?

    Looking at all options, your cheapest flight can be booked for $98. While the most popular route (Boston Logan Intl - Phoenix Sky Harbor Intl) can be booked for $155 on average, our data indicates $920 when flying from Boston to Phoenix.

  • Can I find deals for flights from Boston to Phoenix that include hotel bookings?

    Yes. In addition to deals on Boston to Phoenix flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Phoenix?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Phoenix.

  • Can I find deals for business class flights from Boston to Phoenix?

    Yes. Cheapflights offers flight deals from Boston to Phoenix by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Phoenix?

    Currently, January is the cheapest month in which you can book a flight from Boston to Phoenix (average of $98). Flying from Boston to Phoenix in July is currently the most expensive (average of $231). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Boston to Phoenix

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Top 8 airlines flying from Boston to Phoenix

Discover the top 8 airlines that operate flights from Boston to Phoenix. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated décembre 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$98Average$195FlexibilityNo cancel feeOn-time65%
FrontierCheapest$134Average$229FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$143Average$335FlexibilityNo cancel feeOn-time62%
DeltaCheapest$150Average$361FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$217Average$454FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$238Average$397FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$246Average$454FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$251Average$15,545FlexibilityNo cancel feeOn-time75%

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