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$139+ 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PHX
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 62 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 June 12, 2025.

Round-trip from

$246
(Delta)

One-way from

$139
(Delta)

Popular in

April

Cheapest in

January

Average price

$348
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. 11% potential increase in price ($46 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 June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/106:55 pmBOS - PHX
Nonstop5h 39mDelta
Wed 7/1610:50 pmPHX - BOS
Nonstop5h 05mDelta
Deal found 6/10$246
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/238:03 pmBOS - PHX
1 stop27h 18mSpirit Airlines
Fri 6/279:46 pmPHX - BOS
1 stop18h 23mSpirit Airlines
Deal found 6/10$247
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/27:45 amBOS - PHX
1 stop10h 33mAlaska Airlines
Tue 9/3010:50 amPHX - BOS
1 stop10h 33mAlaska Airlines
Deal found 6/10$250
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/226:50 pmBOS - PHX
1 stop7h 30mSouthwest
Wed 7/3011:05 amPHX - BOS
1 stop7h 30mSouthwest
Deal found 6/10$251
This CheapOair deal was found by Cheapflights users on 6/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1012:26 pmBOS - PHX
1 stop13h 08mMultiple Airlines
Mon 7/144:20 pmPHX - BOS
1 stop13h 59mMultiple Airlines
Deal found 6/10$260
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Wed 7/24:44 pmBOS - AZA
2 stops25h 16mMultiple Airlines
Sat 7/128:37 amAZA - BOS
1 stop20h 51mMultiple Airlines
Deal found 6/11$266
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Thu 7/246:59 amBOS - PHX
Nonstop5h 36mAmerican Airlines
Mon 7/289:45 pmPHX - BOS
Nonstop4h 56mAmerican Airlines
Deal found 6/12$276
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/257:15 pmBOS - PHX
Nonstop5h 40mJetBlue
Fri 7/410:50 pmPHX - BOS
Nonstop4h 59mJetBlue
Deal found 6/10$277
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2411:21 amBOS - AZA
1 stop24h 29mAllegiant Air
Wed 7/169:37 amAZA - BOS
1 stop19h 51mAllegiant Air
Deal found 6/10$278
This Hawaiian Airlines deal was found by Cheapflights users on 6/12. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/285:08 pmBOS - PHX
1 stop8h 18mHawaiian Airlines
Mon 9/14:30 pmPHX - BOS
1 stop10h 55mHawaiian Airlines
Deal found 6/12$280
This Sun Country Air deal was found by Cheapflights users on 6/10. 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 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 stop30h 44mSun Country Air
Sun 11/912:59 amPHX - BOS
1 stop7h 42mSun Country Air
Deal found 6/10$315
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/221:00 pmBOS - PHX
2 stops11h 55mUnited Airlines
Tue 7/2911:09 pmPHX - BOS
1 stop8h 48mUnited Airlines
Deal found 6/10$356

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 June 12, 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

Thu 7/10

6:55 pm-9:34 pm

Nonstop5h 39m

Phoenix Sky Harbor Intl

Wed 7/16

10:50 pm-6:55 am

Nonstop5h 05m

$246

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Mon 6/23

8:03 pm-8:21 pm

1 stop27h 18m

Phoenix Sky Harbor Intl

Fri 6/27

9:46 pm-7:09 pm

1 stop18h 23m

$247

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Tue 9/2

7:45 am-3:18 pm

1 stop10h 33m

Phoenix Sky Harbor Intl

Tue 9/30

10:50 am-12:23 am

1 stop10h 33m

$250

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 7/12

6:59 am-9:35 am

Nonstop5h 36m

Phoenix Sky Harbor Intl

Sat 7/19

9:45 pm-5:41 am

Nonstop4h 56m

$257

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Thu 7/10

12:26 pm-10:34 pm

1 stop13h 08m

Phoenix Sky Harbor Intl

Mon 7/14

4:20 pm-9:19 am

1 stop13h 59m

$260

BostonPhoenix

BOS - AZA

BOSAZA

Boston Logan Intl

Wed 7/2

4:44 pm-3:00 pm

2 stops25h 16m

Phoenix-Mesa Gateway

Sat 7/12

8:37 am-8:28 am

1 stop20h 51m

$266

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Wed 6/25

7:15 pm-9:55 pm

Nonstop5h 40m

Phoenix Sky Harbor Intl

Fri 7/4

10:50 pm-6:49 am

Nonstop4h 59m

$277

BostonPhoenix

BOS - AZA

BOSAZA

Boston Logan Intl

Tue 6/24

11:21 am-8:50 am

1 stop24h 29m

Phoenix-Mesa Gateway

Wed 7/16

9:37 am-8:28 am

1 stop19h 51m

$278

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Thu 8/28

5:08 pm-10:26 pm

1 stop8h 18m

Phoenix Sky Harbor Intl

Mon 9/1

4:30 pm-6:25 am

1 stop10h 55m

$280

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Wed 7/9

1:50 pm-8:25 pm

2 stops9h 35m

Phoenix Sky Harbor Intl

Fri 7/11

1:25 pm-12:40 am

1 stop8h 15m

$294

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 23 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 June 9, 2025.

Booking 62 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 June 12, 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 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.

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 June 12, 2025.

The most flights from BOS to PH1 are scheduled on a Thursday (15 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (12 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 June 12, 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
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,925 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 13 daily outbound flights to Phoenix from 8 different airlines.

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

    Flying on Delta is currently your cheapest option to Phoenix, with prices starting at $246. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and Alaska Airlines, with the lowest prices starting at $247 and $250, respectively. Delta is 28% 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 Delta, which is currently one of the cheapest options available, starting at $139. Spirit Airlines flights start at $140 while deals on Southwest start at $141 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 British Airways (100%), American Airlines (80%) or JetBlue (73%) 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 $133. While the most popular route (Boston Logan Intl - Phoenix Sky Harbor Intl) can be booked for $170 on average our data indicates $903 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.

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$95Average$191FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$101Average$195FlexibilityNo cancel feeOn-time65%
DeltaCheapest$119Average$330FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$176Average$302FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$217Average$460FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$232Average$387FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$286Average$466FlexibilityNo cancel feeOn-time63%
Sun Country AirCheapest$305Average$315FlexibilityNo cancel feeOn-time83%

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