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$119+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PHX
Apr 30 — May 71
Wed 4/30
Wed 5/7
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 84 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap 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 April 25, 2025.

Round-trip from

$241
(CheapOair)

One-way from

$119
(Frontier)

Popular in

April

Cheapest in

January

Average price

$432
From Boston Logan Intl to Phoenix
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One-way flight from Boston Logan Intl to Phoenix
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Highest demand for flights based on searches. 9% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 April 25, 2025.

This Delta deal was found by Cheapflights users on 4/25. 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.
Sat 11/16:30 pmBOS - PHX
Nonstop5h 52mDelta
Fri 11/712:59 amPHX - BOS
1 stop8h 02mDelta
Deal found 4/25$241
This Cheapflightsfares deal was found by Cheapflights users on 4/25. 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.
Wed 7/91:17 pmBOS - PHX
1 stop12h 59mSpirit Airlines
Tue 7/1512:20 amPHX - BOS
1 stop9h 02mSpirit Airlines
Deal found 4/25$242
This JetBlue deal was found by Cheapflights users on 4/24. 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.
Thu 6/56:20 pmBOS - PHX
Nonstop5h 54mJetBlue
Tue 6/2410:50 pmPHX - BOS
Nonstop4h 59mJetBlue
Deal found 4/24$244
This CheapOair deal was found by Cheapflights users on 4/25. 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.
Fri 5/29:05 pmBOS - PHX
2 stops22h 36mMultiple Airlines
Tue 5/63:11 pmPHX - BOS
1 stop30h 33mMultiple Airlines
Deal found 4/25$245
This CheapOair deal was found by Cheapflights users on 4/24. 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 5/16:00 amBOS - PHX
1 stop11h 06mFrontier
Sun 5/43:11 pmPHX - BOS
1 stop30h 33mFrontier
Deal found 4/24$248
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:46 amBOS - PHX
1 stop10h 31mAlaska Airlines
Sat 9/63:43 pmPHX - BOS
1 stop11h 43mAlaska Airlines
Deal found 4/24$265
This American Airlines deal was found by Cheapflights users on 4/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/216:45 amBOS - PHX
Nonstop5h 46mAmerican Airlines
Wed 5/2810:08 pmPHX - BOS
Nonstop4h 52mAmerican Airlines
Deal found 4/25$270
This Mytrip deal was found by Cheapflights users on 4/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/610:39 amBOS - AZA
1 stop7h 14mMultiple Airlines
Thu 6/1210:27 pmAZA - BOS
2 stops31h 36mMultiple Airlines
Deal found 4/24$286
This Southwest deal was found by Cheapflights users on 4/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/205:15 pmBOS - PHX
1 stop7h 25mSouthwest
Sun 11/236:30 amPHX - BOS
1 stop9h 40mSouthwest
Deal found 4/24$286
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Mon 5/127:30 amBOS - PHX
1 stop8h 00mUnited Airlines
Thu 5/1511:44 pmPHX - BOS
1 stop7h 23mUnited Airlines
Deal found 4/24$290
This Sun Country Air deal was found by Cheapflights users on 4/25. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/48:30 amBOS - AZA
1 stop10h 30mSun Country Air
Thu 5/85:40 pmAZA - BOS
1 stop14h 02mSun Country Air
Deal found 4/25$350
This Sun Country Air deal was found by Cheapflights users on 4/25. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/711:42 amBOS - PHX
1 stop25h 15mSun Country Air
Sun 11/912:59 amPHX - BOS
1 stop7h 42mSun Country Air
Deal found 4/25$350

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 April 25, 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

Tue 9/2

9:10 am-1:47 pm

1 stop7h 37m

Phoenix Sky Harbor Intl

Tue 9/30

10:45 pm-6:46 am

Nonstop5h 01m

$241

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Wed 7/9

1:17 pm-11:16 pm

1 stop12h 59m

Phoenix Sky Harbor Intl

Tue 7/15

12:20 am-12:22 pm

1 stop9h 02m

$242

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Thu 6/5

6:20 pm-9:14 pm

Nonstop5h 54m

Phoenix Sky Harbor Intl

Tue 6/17

10:50 pm-6:49 am

Nonstop4h 59m

$244

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sun 5/11

5:42 pm-8:13 am

2 stops17h 31m

Phoenix Sky Harbor Intl

Sat 5/17

3:11 pm-1:05 am

1 stop30h 54m

$245

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Fri 5/9

6:00 am-2:06 pm

1 stop11h 06m

Phoenix Sky Harbor Intl

Mon 5/12

3:11 pm-12:44 am

1 stop30h 33m

$248

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Thu 9/4

4:50 pm-10:16 pm

1 stop8h 26m

Phoenix Sky Harbor Intl

Sat 9/6

3:43 pm-6:26 am

1 stop11h 43m

$265

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Wed 5/21

6:45 am-9:31 am

Nonstop5h 46m

Phoenix Sky Harbor Intl

Wed 5/28

10:08 pm-6:00 am

Nonstop4h 52m

$270

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 5/24

3:35 pm-8:42 pm

1 stop8h 07m

Phoenix Sky Harbor Intl

Mon 5/26

11:39 pm-10:21 am

1 stop7h 42m

$279

BostonPhoenix

BOS - AZA

BOSAZA

Boston Logan Intl

Fri 6/6

10:39 am-2:53 pm

1 stop7h 14m

Phoenix-Mesa Gateway

Thu 6/12

10:27 pm-9:03 am

2 stops31h 36m

$286

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Fri 9/12

7:10 am-11:55 am

1 stop7h 45m

Phoenix Sky Harbor Intl

Mon 9/15

5:35 am-5:40 pm

2 stops9h 05m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 26 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 April 18, 2025.

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, January is the cheapest month in which you can book a flight from Boston to Phoenix (average of $258). Flying from Boston to Phoenix in March is currently the most expensive (average of $337). 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 April 25, 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 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 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 April 25, 2025.

The most flights from BOS to PH1 are scheduled on a Friday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Phoenix by month

Plan your trip to Phoenix by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phoenix ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Phoenix when rainfall is around 0.0 in.

Temperature in Phoenix by month

Plan your trip to Phoenix by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phoenix, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

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 April 25, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Boston to Phoenix. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,927 reviews

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,927 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,289 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,393 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 9 daily outbound flights to Phoenix from 8 different airlines.

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

    Flying on Frontier is currently your cheapest option to Phoenix, with prices starting at $241. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and JetBlue, with the lowest prices starting at $242 and $244, respectively. Frontier is 30% 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 Frontier, which is currently one of the cheapest options available, starting at $119. Spirit Airlines flights start at $120 while deals on Hawaiian Airlines start at $125 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 (85%), Etihad Airways (85%) or Delta (80%) 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 $118. While the most popular route (Boston Logan Intl - Phoenix Sky Harbor Intl) can be booked for $217 on average our data indicates $832 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 $258). Flying from Boston to Phoenix in March is currently the most expensive (average of $337). 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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$85Average$187FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$101Average$205FlexibilityNo cancel feeOn-time65%
DeltaCheapest$119Average$330FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$176Average$304FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$217Average$456FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$235Average$390FlexibilityNo cancel feeOn-time71%
Sun Country AirCheapest$279Average$315FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$286Average$456FlexibilityNo cancel feeOn-time63%

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