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

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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOS
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix to Boston Logan Intl are usually found in January or February, booked 57 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Phoenix to Boston

Cheapest flights from Phoenix to Boston
Explore the most affordable flight options available from Phoenix to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This American Airlines deal was found by Cheapflights users on 12/21. 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 12/241:19 pmPHX - BOS
Nonstop4h 51mAmerican Airlines
Tue 1/276:00 amBOS - PHX
Nonstop6h 08mAmerican Airlines
Deal found 12/21$220
This American Airlines deal was found by Cheapflights users on 12/22. 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 12/241:19 pmPHX - BOS
Nonstop4h 51mAmerican Airlines
Mon 1/126:00 amBOS - PHX
Nonstop6h 08mAmerican Airlines
Deal found 12/22$230
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Thu 12/2512:38 pmPHX - BOS
1 stop7h 06mUnited Airlines
Tue 1/271:31 pmBOS - PHX
1 stop8h 59mUnited Airlines
Deal found 12/22$255
This Alaska Airlines deal was found by Cheapflights users on 12/21. 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.
Wed 12/246:06 amPHX - BOS
1 stop16h 17mAlaska Airlines
Mon 1/264:20 pmBOS - PHX
1 stop9h 02mAlaska Airlines
Deal found 12/21$259
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Wed 12/312:42 pmPHX - BOS
1 stop6h 53mUnited Airlines
Thu 1/84:15 pmBOS - PHX
1 stop8h 46mUnited Airlines
Deal found 12/22$260
This Southwest deal was found by Cheapflights users on 12/22. 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.
Wed 12/315:45 amPHX - BOS
1 stop9h 35mSouthwest
Thu 1/81:20 pmBOS - PHX
1 stop8h 20mSouthwest
Deal found 12/22$265
This JetBlue deal was found by Cheapflights users on 12/22. 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 12/2410:28 pmPHX - BOS
Nonstop4h 38mJetBlue
Thu 1/84:50 pmBOS - PHX
Nonstop5h 59mJetBlue
Deal found 12/22$287
This Southwest deal was found by Cheapflights users on 12/22. 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.
Wed 12/315:45 amPHX - BOS
1 stop9h 35mSouthwest
Sat 1/105:30 amBOS - PHX
2 stops9h 10mSouthwest
Deal found 12/22$293
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Wed 12/2411:00 amPHX - BOS
1 stop6h 55mUnited Airlines
Mon 1/51:40 pmBOS - PHX
1 stop8h 48mUnited Airlines
Deal found 12/22$295
This American Airlines deal was found by Cheapflights users on 12/21. 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 12/241:19 pmPHX - BOS
Nonstop4h 51mAmerican Airlines
Sun 1/46:40 amBOS - PHX
Nonstop5h 54mAmerican Airlines
Deal found 12/21$300
This American Airlines deal was found by Cheapflights users on 12/22. 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.
Mon 12/294:28 pmPHX - BOS
Nonstop4h 51mAmerican Airlines
Wed 1/76:00 amBOS - PHX
Nonstop6h 08mAmerican Airlines
Deal found 12/22$302

Find flight deals from Phoenix to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to Boston (BOS). 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 December 23, 2025.

Round-trip from

$146
(SmartFares)

One-way from

$117
(Trip.com)

Popular in

October

Cheapest in

January

Average price

$339
From Phoenix to Boston Logan Intl
Search Deals
One-way flight from Phoenix to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 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 Phoenix to Boston 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 December 23, 2025.
Use the filters below to find and compare flights from Phoenix to Boston that are best for you.

Fly from

Phoenix

Fly to

Boston

Route

Depart

Return

Price

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 1/15

10:19 pm-5:00 am

Nonstop4h 41m

Boston Logan Intl

Tue 1/20

4:50 pm-8:49 pm

Nonstop5h 59m

$167

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Mon 1/12

10:19 pm-5:00 am

Nonstop4h 41m

Boston Logan Intl

Sun 1/18

4:50 pm-8:49 pm

Nonstop5h 59m

$177

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Wed 1/21

1:20 pm-9:25 pm

1 stop6h 05m

Boston Logan Intl

Mon 1/26

1:20 pm-7:40 pm

1 stop8h 20m

$187

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Tue 2/10

10:19 pm-5:00 am

Nonstop4h 41m

Boston Logan Intl

Mon 2/16

5:15 pm-9:14 pm

Nonstop5h 59m

$187

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Sat 1/17

10:19 pm-5:00 am

Nonstop4h 41m

Boston Logan Intl

Mon 1/19

4:50 pm-8:49 pm

Nonstop5h 59m

$192

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 1/15

10:19 pm-5:00 am

Nonstop4h 41m

Boston Logan Intl

Mon 1/19

4:50 pm-8:49 pm

Nonstop5h 59m

$192

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 1/15

12:45 pm-10:20 pm

1 stop7h 35m

Boston Logan Intl

Sun 1/18

5:30 am-1:35 pm

2 stops10h 05m

$202

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Wed 1/14

10:19 pm-5:00 am

Nonstop4h 41m

Boston Logan Intl

Wed 1/21

1:40 pm-9:46 pm

1 stop10h 06m

$205

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Wed 1/21

10:19 pm-5:00 am

Nonstop4h 41m

Boston Logan Intl

Sat 1/24

12:15 pm-9:46 pm

1 stop11h 31m

$205

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Fri 1/9

7:10 am-7:10 pm

1 stop10h 00m

Boston Logan Intl

Mon 1/19

8:20 am-12:33 pm

Nonstop6h 13m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/23

Showing 1-10 of 21 results
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Best time to book a flight from Phoenix to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Phoenix 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 Phoenix to Boston

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

Use this chart to determine the optimal time to book a round-trip flight from Phoenix to Boston. Price data was last updated on December 19, 2025.

To ensure you get the cheapest price possible for a flight from Phoenix to Boston, you should look to book at least 57 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from Phoenix to Boston (average of $118). Flying from Phoenix to Boston 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 PHX to BOS?

Find hourly flight availability from Phoenix to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 38% on flights from Phoenix to Boston by exploring options for tickets at noon.

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

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

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

Weekly flight availability from Phoenix to Boston

Explore weekly flight availability from Phoenix to Boston. 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 December 23, 2025.

The most flights from PH1 to BOS are scheduled on a Friday (14 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (7 on average).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated December 23, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Phoenix to Boston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,253 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

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
8.0
Very good
4,253 reviews
Southwest
8.0
Very good
4,253 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

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
8,014 reviews
Southwest
8.0
Very good
4,253 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

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
9,106 reviews
Southwest
8.0
Very good
4,253 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

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
11,054 reviews
Southwest
8.0
Very good
4,253 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

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
8.0
Very good
4,253 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

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 Phoenix to Boston. 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 into for flights to Boston from Phoenix?

    Boston Logan Intl (BOS) is the airport you will fly into if you book a flight from Phoenix to Boston. You should not have trouble finding flights to Logan Intl from Phoenix; the airport handles an average of 11 inbound flights from Phoenix per day. You should also have plenty of airline options to choose from since 8 airlines have flights to the Boston airport from Phoenix. It is only a 2.6 mi journey from Logan Intl (BOS) to Boston’s city center.

  • How long is the flight from Phoenix to Boston?

    There are many flights that can get you from Phoenix to Boston in 4h 41m. Fly via JetBlue or Southwest to get the fastest option. Phoenix and Boston are separated by a distance of 2293 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Our cheapest airline available from Phoenix to Boston is Frontier. Our recent data shows that you can find tickets from as low as $71 on this airline. Additional options worth looking into are Spirit Airlines and JetBlue, starting at $82 and $129 round-trip. Users have found that Frontier is 78% cheaper than the other options available to this destination.

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

    $80 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and JetBlue, with prices starting from $82 and $98, respectively.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Phoenix to Boston on time: Qatar Airways (83%), EL AL (78%), American Airlines (78%).

  • What are the cheapest flights from Phoenix to Boston?

    The cheapest flight price from Phoenix to Boston is $98. On average you can expect to pay $791. The most popular route, (Phoenix Sky Harbor Intl - Boston Logan Intl), can usually be booked for $144.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Phoenix to Boston 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 Phoenix to Boston?

    Currently, February is the cheapest month in which you can book a flight from Phoenix to Boston (average of $118). Flying from Phoenix to Boston 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

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Medford
Hampton Beach
Watertown
Seabrook
Seekonk
Brockton
Cranston
Lincoln
Lowell
Smithfield
Peabody
Quincy
York Beach
Warwick
Londonderry
Swansea
Old Orchard Beach
Waltham
Chelsea

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from Phoenix to Boston

Discover the top 8 airlines that operate flights from Phoenix to Boston. 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$81Average$190FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$90Average$203FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$136Average$294FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$158Average$334FlexibilityNo cancel feeOn-time63%
DeltaCheapest$188Average$306FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$220Average$609FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$228Average$302FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$237Average$385FlexibilityNo cancel feeOn-time71%

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