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$123+ 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOS
Oct 10 — Oct 171
Fri 10/10
Fri 10/17
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 42 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap 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 September 10, 2025.

Round-trip from

$215
(Cheapflightsfares)

One-way from

$123
(Hawaiian Airlines)

Popular in

April

Cheapest in

January

Average price

$317
From Phoenix to Boston Logan Intl
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One-way flight from Phoenix to Boston Logan Intl
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Highest demand for flights based on searches. 6% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 10, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/8. 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.
Fri 10/31:18 pmPHX - BOS
1 stop6h 29mSpirit Airlines
Mon 10/66:17 amBOS - PHX
1 stop7h 56mSpirit Airlines
Deal found 9/8$215
This Cheapflightsfares deal was found by Cheapflights users on 9/8. 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.
Thu 10/910:58 amPHX - BOS
1 stop10h 01mSpirit Airlines
Thu 10/166:17 amBOS - PHX
1 stop7h 56mSpirit Airlines
Deal found 9/8$216
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Sun 9/285:04 pmPHX - BOS
1 stop11h 48mMultiple Airlines
Fri 10/35:50 amBOS - PHX
1 stop9h 33mMultiple Airlines
Deal found 9/8$220
This Cheapflightsfares deal was found by Cheapflights users on 9/8. 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.
Thu 9/1812:01 pmPHX - BOS
1 stop8h 56mSpirit Airlines
Fri 9/265:50 amBOS - PHX
1 stop9h 33mSpirit Airlines
Deal found 9/8$222
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Wed 10/226:02 pmPHX - BOS
1 stop8h 58mMultiple Airlines
Thu 10/306:17 amBOS - PHX
1 stop7h 56mMultiple Airlines
Deal found 9/9$223
This Frontier deal was found by Cheapflights users on 9/8. 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.
Fri 11/148:43 pmPHX - BOS
2 stops12h 05mFrontier
Mon 11/179:55 amBOS - PHX
2 stops15h 55mFrontier
Deal found 9/8$224
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Wed 10/297:00 amPHX - BOS
1 stop25h 32mMultiple Airlines
Sun 11/25:17 amBOS - PHX
1 stop7h 56mMultiple Airlines
Deal found 9/9$225
This Priceline deal was found by Cheapflights users on 9/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1812:01 pmPHX - BOS
1 stop8h 56mMultiple Airlines
Mon 9/2212:59 pmBOS - PHX
1 stop12h 15mMultiple Airlines
Deal found 9/7$226
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/84:45 pmPHX - BOS
Nonstop4h 50mAmerican Airlines
Wed 11/126:05 amBOS - PHX
Nonstop6h 12mAmerican Airlines
Deal found 9/9$227
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/253:59 pmPHX - BOS
Nonstop4h 59mAmerican Airlines
Sat 11/16:00 amBOS - PHX
Nonstop5h 57mAmerican Airlines
Deal found 9/10$228
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Fri 9/2612:01 pmPHX - BOS
1 stop8h 56mMultiple Airlines
Wed 10/13:00 pmBOS - PHX
2 stops25h 09mMultiple Airlines
Deal found 9/9$229
This American Airlines deal was found by Cheapflights users on 9/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/183:59 pmPHX - BOS
Nonstop4h 59mAmerican Airlines
Sat 10/256:00 amBOS - PHX
Nonstop5h 57mAmerican Airlines
Deal found 9/8$230

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 September 10, 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

Sat 10/25

10:59 pm-6:50 am

Nonstop4h 51m

Boston Logan Intl

Mon 11/3

5:00 pm-9:01 pm

Nonstop6h 01m

$232

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Wed 11/12

1:07 pm-7:50 pm

Nonstop4h 43m

Boston Logan Intl

Sun 11/16

8:05 am-12:02 pm

Nonstop5h 57m

$232

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 10/23

10:59 pm-6:50 am

Nonstop4h 51m

Boston Logan Intl

Sat 11/1

5:50 pm-8:52 pm

Nonstop6h 02m

$232

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Fri 10/24

12:40 am-10:48 am

1 stop7h 08m

Boston Logan Intl

Sat 11/1

8:10 am-10:51 am

Nonstop5h 41m

$237

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Fri 10/24

12:10 pm-8:06 pm

Nonstop4h 56m

Boston Logan Intl

Thu 10/30

8:10 am-10:51 am

Nonstop5h 41m

$237

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Tue 10/21

12:10 pm-8:06 pm

Nonstop4h 56m

Boston Logan Intl

Sat 11/1

3:24 pm-8:01 pm

1 stop7h 37m

$237

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Sat 10/25

3:11 pm-1:13 am

1 stop7h 02m

Boston Logan Intl

Tue 10/28

8:10 am-10:51 am

Nonstop5h 41m

$237

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Fri 10/24

12:40 am-10:48 am

1 stop7h 08m

Boston Logan Intl

Thu 10/30

8:10 am-10:51 am

Nonstop5h 41m

$242

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Wed 10/22

12:15 pm-8:16 pm

Nonstop5h 01m

Boston Logan Intl

Mon 11/3

6:50 pm-12:38 am

1 stop7h 48m

$242

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Mon 10/27

7:04 pm-6:40 am

1 stop8h 36m

Boston Logan Intl

Sat 11/1

8:10 am-10:51 am

Nonstop5h 41m

$242

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/7

Showing 1-10 of 23 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 August 29, 2025.

To ensure you get the cheapest price possible for a flight from Phoenix to Boston, you should look to book at least 42 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, January is the cheapest month in which you can book a flight from Phoenix to Boston (average of $218). Flying from Phoenix to Boston in July is currently the most expensive (average of $311). 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 September 10, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 31% on flights from Phoenix to Boston by exploring options for tickets in the evening.

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 Friday 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 September 10, 2025.

The most flights from PH1 to BOS are scheduled on a Monday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 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 September 10, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and American 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
4,249 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,249 reviews
Southwest
8.0
Very good
4,249 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,963 reviews
Southwest
8.0
Very good
4,249 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,249 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
JetBlue
7.2
Good
2,913 reviews
Southwest
8.0
Very good
4,249 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,024 reviews
Southwest
8.0
Very good
4,249 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 7 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 43m. Fly via JetBlue or Delta to get the fastest option. Phoenix and Boston are separated by a distance of 2293 mi. Generally, flights for this route are nonstop.

  • 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 $84 on this airline. Additional options worth looking into are Spirit Airlines and Southwest, starting at $95 and $158 round-trip. Users have found that Frontier is 73% cheaper than the other options available to this destination.

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

    $123 is the cheapest one-way deal found within the past few days, from Hawaiian Airlines. You may also be able to find cheap deals on JetBlue and Delta, with prices starting from $124 and $124, 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: Delta (83%), Qatar Airways (83%), American Airlines (81%).

  • What are the cheapest flights from Phoenix to Boston?

    The cheapest flight price from Phoenix to Boston is $128. On average you can expect to pay $843. The most popular route, (Phoenix Sky Harbor Intl - Boston Logan Intl), can usually be booked for $179.

  • 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, January is the cheapest month in which you can book a flight from Phoenix to Boston (average of $218). Flying from Phoenix to Boston in July is currently the most expensive (average of $311). 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
Lincoln
Lowell
Smithfield
Cranston
Chestnut Hill
Chelsea
Warwick
Peabody
Quincy
York Beach
Swansea
Waltham
Saugus
Burlington

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 September 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$84Average$190FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$95Average$201FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$158Average$332FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$159Average$294FlexibilityNo cancel feeOn-time62%
DeltaCheapest$186Average$309FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$228Average$302FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$237Average$382FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$250Average$619FlexibilityNo cancel feeOn-time69%

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