Phoenix

$100+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PHX
Mar 10 — Mar 171
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Find cheap flights from Boston to Phoenix with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Boston Logan Intl to Phoenix are usually found in January or August, booked 62 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

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 February 8, 2026.

This Frontier deal was found by Cheapflights users on 2/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 am
BOS
-
PHX
1 stop14h 29m
Frontier
Mon 4/2010:30 pm
PHX
-
BOS
1 stop10h 35m
Frontier
Deal found 2/8$200
This Expedia deal was found by Cheapflights users on 2/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:00 am
BOS
-
PHX
1 stop11h 27m
Multiple Airlines
Wed 3/47:00 am
PHX
-
BOS
1 stop14h 59m
Multiple Airlines
Deal found 2/5$203
This Expedia deal was found by Cheapflights users on 2/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/236:00 am
BOS
-
PHX
1 stop11h 27m
Multiple Airlines
Fri 2/2710:25 pm
PHX
-
BOS
Nonstop4h 35m
Multiple Airlines
Deal found 2/5$204
This Cheapflightsfares deal was found by Cheapflights users on 2/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/296:07 pm
BOS
-
PHX
Nonstop6h 02m
JetBlue
Tue 3/3111:40 pm
PHX
-
BOS
Nonstop4h 55m
JetBlue
Deal found 2/8$206
This Delta deal was found by Cheapflights users on 2/6. 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.
Mon 2/235:15 pm
BOS
-
PHX
Nonstop6h 05m
Delta
Mon 3/211:58 pm
PHX
-
BOS
Nonstop4h 57m
Delta
Deal found 2/6$207
This United Airlines deal was found by Cheapflights users on 2/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/319:15 am
BOS
-
PHX
1 stop8h 13m
United Airlines
Tue 4/149:50 am
PHX
-
BOS
1 stop7h 23m
United Airlines
Deal found 2/5$209
This Expedia deal was found by Cheapflights users on 2/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/69:32 am
BOS
-
PHX
Nonstop5h 50m
Multiple Airlines
Tue 5/198:00 am
PHX
-
BOS
1 stop13h 51m
Multiple Airlines
Deal found 2/8$210
This CheapOair deal was found by Cheapflights users on 2/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:00 am
BOS
-
PHX
1 stop12h 26m
Frontier
Tue 5/58:00 am
PHX
-
BOS
1 stop13h 51m
Frontier
Deal found 2/6$211
This United Airlines deal was found by Cheapflights users on 2/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/213:06 pm
BOS
-
PHX
1 stop8h 15m
United Airlines
Tue 2/241:31 pm
PHX
-
BOS
1 stop7h 59m
United Airlines
Deal found 2/5$212
This Expedia deal was found by Cheapflights users on 2/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/95:44 pm
BOS
-
PHX
1 stop19h 56m
Multiple Airlines
Thu 3/129:49 pm
PHX
-
BOS
Nonstop4h 41m
Multiple Airlines
Deal found 2/5$213
This Travelocity deal was found by Cheapflights users on 2/5. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:40 pm
BOS
-
PHX
1 stop8h 47m
Multiple Airlines
Mon 4/2010:30 pm
PHX
-
BOS
1 stop10h 35m
Multiple Airlines
Deal found 2/5$214
This CheapOair deal was found by Cheapflights users on 2/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:16 am
BOS
-
PHX
1 stop15h 02m
Multiple Airlines
Tue 4/2110:30 pm
PHX
-
BOS
Nonstop4h 55m
Multiple Airlines
Deal found 2/7$215

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 February 8, 2026.

Round-trip from

$200
(Expedia)

One-way from

$100
(Priceline)

Popular in

April

Cheapest in

January

Average price

$367
From Boston Logan Intl to Phoenix
One-way flight from Boston Logan Intl to Phoenix
Highest demand for flights based on searches. 7% potential increase in price ($28 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 8, 2026.
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

Fri 2/20

5:15 pm-9:20 pm

Nonstop6h 05m

Phoenix Sky Harbor Intl

Fri 2/27

11:58 pm-6:55 am

Nonstop4h 57m

$207

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Mon 2/23

5:00 pm-8:59 pm

Nonstop5h 59m

Phoenix Sky Harbor Intl

Fri 3/6

10:25 pm-5:00 am

Nonstop4h 35m

$207

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Mon 2/23

5:00 pm-8:59 pm

Nonstop5h 59m

Phoenix Sky Harbor Intl

Fri 2/27

10:25 pm-5:00 am

Nonstop4h 35m

$207

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 5/9

5:55 pm-8:41 pm

Nonstop5h 46m

Phoenix Sky Harbor Intl

Wed 5/13

10:27 pm-6:25 am

Nonstop4h 58m

$207

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Fri 2/27

8:15 am-12:28 pm

Nonstop6h 13m

Phoenix Sky Harbor Intl

Fri 2/27

12:59 am-10:50 am

1 stop7h 51m

$217

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Mon 3/2

5:15 pm-9:20 pm

Nonstop6h 05m

Phoenix Sky Harbor Intl

Mon 3/16

11:05 pm-9:16 am

1 stop7h 11m

$217

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Mon 2/23

11:15 am-8:07 pm

1 stop10h 52m

Phoenix Sky Harbor Intl

Thu 2/26

11:58 pm-6:55 am

Nonstop4h 57m

$217

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Fri 2/20

5:15 pm-9:20 pm

Nonstop6h 05m

Phoenix Sky Harbor Intl

Tue 2/24

11:50 pm-10:02 am

1 stop8h 12m

$217

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Fri 2/20

5:15 pm-9:20 pm

Nonstop6h 05m

Phoenix Sky Harbor Intl

Wed 2/25

11:50 pm-10:02 am

1 stop8h 12m

$217

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sun 3/29

6:07 pm-9:09 pm

Nonstop6h 02m

Phoenix Sky Harbor Intl

Mon 4/6

11:55 pm-7:50 am

Nonstop4h 55m

$222

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 40 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 January 30, 2026.

Booking 30 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, November is the cheapest month in which you can book a flight from Boston to Phoenix (average of $135). Flying from Boston to Phoenix in May 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 February 8, 2026.

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 22% on your trip compared to booking a flight at noon.

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 February 7, 2026.

Travelers seeking maximum savings on their Boston to Phoenix flight should consider departing on Tuesday 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.

How often are flights from Boston to Phoenix delayed?

About 18% of weekly flights between Boston and Phoenix have experienced delays in the past year, with the average delay time being 151 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 15% 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
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on PHX

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.

Paul Rubio

Paul Rubio

Expert on BOS

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.

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 February 8, 2026.
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.

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

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

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

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

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

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

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

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

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

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

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

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 8 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 5h 59m. 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 $125, 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 $76. Frontier flights start at $86 while deals on JetBlue start at $94 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 KLM (82%), Alaska Airlines (80%) or JetBlue (78%) 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 $95. While the most popular route (Boston Logan Intl - Phoenix Sky Harbor Intl) can be booked for $200 on average, our data indicates $912 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, November is the cheapest month in which you can book a flight from Boston to Phoenix (average of $135). Flying from Boston to Phoenix in May 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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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 February 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$85Average$194FlexibilityNo cancel feeOn-time65%
FrontierCheapest$96Average$222FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$125Average$356FlexibilityNo cancel feeOn-time62%
DeltaCheapest$139Average$295FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$226Average$386FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$237Average$395FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$246Average$15,545FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$246Average$446FlexibilityNo cancel feeOn-time63%

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