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Sky Harbor Intl

$141+ Cheap flights from Boston (BOS) to Sky Harbor Intl (PHX)

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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PHX
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Phoenix Sky Harbor Intl are usually found in January or November, booked 33 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Boston to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Sky Harbor Intl (PHX). 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 septiembre 11, 2025.

Round-trip from

$237
(Delta)

One-way from

$141
(Southwest)

Popular in

April

Cheapest in

January

Average price

$327

Good round-trip deal

$308 or less

Good one-way deal

$170 or less
From Boston Logan Intl to Phoenix Sky Harbor Intl
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One-way flight from Boston Logan Intl to Phoenix Sky Harbor Intl
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Highest demand for flights based on searches. 10% potential increase in price ($39 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 September 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Phoenix Sky Harbor Intl.
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Price to beat on a one-way flight from Boston Logan Intl to Phoenix Sky Harbor Intl.
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Find flight deals from Boston to Sky Harbor Intl

Cheapest flights from Boston to Sky Harbor Intl
Explore the most affordable flight options available from Boston to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/256:50 amBOS - PHX
1 stop10h 06mDelta
sáb. 11/112:10 pmPHX - BOS
Nonstop4h 56mDelta
Deal found 9/11$237
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/246:17 amBOS - PHX
1 stop7h 56mSpirit Airlines
dom. 10/2610:58 amPHX - BOS
1 stop10h 01mSpirit Airlines
Deal found 9/11$238
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/153:00 pmBOS - PHX
1 stop21h 53mSpirit Airlines
vie. 10/1710:58 amPHX - BOS
1 stop10h 01mSpirit Airlines
Deal found 9/10$239
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/712:20 pmBOS - PHX
2 stops14h 09mMultiple Airlines
dom. 11/161:45 pmPHX - BOS
1 stop7h 40mMultiple Airlines
Deal found 9/10$240
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/185:50 amBOS - PHX
1 stop9h 33mSpirit Airlines
lun. 9/2212:01 pmPHX - BOS
1 stop8h 56mSpirit Airlines
Deal found 9/10$241
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/98:05 amBOS - PHX
Nonstop5h 57mDelta
mié. 11/126:00 amPHX - BOS
1 stop7h 56mDelta
Deal found 9/11$242
This Southwest deal was found by Cheapflights users on 9/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/165:35 amBOS - PHX
2 stops10h 15mSouthwest
mié. 11/1910:00 amPHX - BOS
2 stops10h 15mSouthwest
Deal found 9/11$243
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/153:00 pmBOS - PHX
1 stop21h 53mSpirit Airlines
dom. 10/1910:58 amPHX - BOS
1 stop21h 28mSpirit Airlines
Deal found 9/11$244
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.
jue. 11/134:52 pmBOS - PHX
Nonstop6h 03mAmerican Airlines
sáb. 11/159:30 amPHX - BOS
Nonstop4h 48mAmerican Airlines
Deal found 9/9$245
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.
sáb. 10/1812:31 pmBOS - PHX
1 stop24h 22mSpirit Airlines
lun. 10/2010:58 amPHX - BOS
1 stop10h 01mSpirit Airlines
Deal found 9/9$246
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/256:15 amBOS - PHX
1 stop9h 00mDelta
lun. 10/2712:40 amPHX - BOS
1 stop7h 08mDelta
Deal found 9/11$247
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/288:05 amBOS - PHX
Nonstop5h 57mDelta
vie. 12/512:59 amPHX - BOS
1 stop8h 02mDelta
Deal found 9/10$248

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Sky Harbor Intl 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 septiembre 11, 2025.
Use the filters below to find and compare flights from Boston to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Boston

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

dom. 11/9

5:29 am-11:23 am

1 stop7h 54m

Phoenix Sky Harbor Intl

sáb. 11/15

1:07 pm-7:52 pm

Nonstop4h 45m

$242

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

dom. 11/9

6:10 am-1:08 pm

1 stop8h 58m

Phoenix Sky Harbor Intl

mié. 11/12

1:07 pm-7:50 pm

Nonstop4h 43m

$242

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

mié. 10/29

5:00 pm-8:01 pm

Nonstop6h 01m

Phoenix Sky Harbor Intl

lun. 11/3

10:20 pm-5:01 am

Nonstop4h 41m

$247

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

sáb. 10/4

5:30 am-10:43 am

1 stop8h 13m

Phoenix Sky Harbor Intl

sáb. 10/11

2:40 pm-12:50 am

1 stop7h 10m

$247

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

sáb. 11/1

5:15 pm-11:00 pm

1 stop8h 45m

Phoenix Sky Harbor Intl

vie. 11/7

12:59 am-10:48 am

1 stop7h 49m

$247

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

vie. 10/31

8:10 am-10:51 am

Nonstop5h 41m

Phoenix Sky Harbor Intl

sáb. 11/1

12:59 am-10:48 am

1 stop7h 49m

$247

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

mié. 10/29

5:45 am-10:40 am

1 stop7h 55m

Phoenix Sky Harbor Intl

lun. 11/10

12:59 am-10:57 am

1 stop7h 58m

$247

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

mié. 10/29

5:00 pm-8:01 pm

Nonstop6h 01m

Phoenix Sky Harbor Intl

sáb. 11/22

11:45 pm-6:25 am

Nonstop4h 40m

$249

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

sáb. 11/1

6:15 am-12:15 pm

1 stop9h 00m

Phoenix Sky Harbor Intl

sáb. 11/1

12:59 am-10:48 am

1 stop7h 49m

$252

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

dom. 10/26

5:20 am-9:25 am

1 stop7h 05m

Phoenix Sky Harbor Intl

mié. 10/29

7:40 am-6:00 pm

1 stop7h 20m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 21 results
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The best insider tips for Boston to Phoenix Sky Harbor Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Phoenix Sky Harbor Intl Airport trip
Airports
BOS

Use the FlyLogan App to pre-order food and save time at BOS. Most restaurants participate, making it a convenient option.

Read more about BOSby Paul Rubio
PHX

For quick access to downtown, take the PHX Sky Train to 44th Street Station, then light rail to the city in under 20 minutes.

Read more about PHXby Brandon Schultz
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on PHX

Brandon Schultz

Brandon Schultz

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.

Read more
Paul Rubio

Paul Rubio

Expert on BOS

Paul Rubio

Paul Rubio

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.

Read more

Best time to book a flight from Boston to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl 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 Sky Harbor Intl Airport

How far ahead should I book a flight from Boston to Phoenix Sky Harbor Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Sky Harbor Intl. Price data was last updated on August 29, 2025.

To ensure you get the cheapest price possible for a flight from Boston to Phoenix Sky Harbor Intl Airport, you should look to book at least 33 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 Boston to Phoenix Sky Harbor Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Boston to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Boston to Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Boston to Phoenix Sky Harbor Intl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Boston to Phoenix Sky Harbor Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Boston to Sky Harbor Intl. Price data was last updated on September 7, 2025.

Travelers seeking maximum savings on their Boston to Phoenix Sky Harbor Intl Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. 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 Sky Harbor Intl. Reviews last updated septiembre 11, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Boston to Phoenix Sky Harbor Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

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
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

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
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

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
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

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
4,248 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

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
4,248 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

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 Boston to Sky Harbor Intl. 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 Sky Harbor Intl?

    Boston Logan Intl (BOS) is the airport you will fly out of if you book a flight from Boston to Phoenix Sky Harbor Intl. You should not have trouble finding flights to Phoenix Sky Harbor Intl from Logan Intl; the airport handles an average of 6 outbound flights to Phoenix Sky Harbor Intl per day. You should also have plenty of airline options to choose from since 7 airlines have flights from the Boston airport to Phoenix Sky Harbor Intl. It is only a 2.6 mi journey to Logan Intl (BOS) from Boston’s city center.

  • How long is the flight from Boston to Phoenix Sky Harbor Intl Airport?

    For as low as $247, Delta can have you in Phoenix Sky Harbor Intl Airport from Boston in 6h 01m. There are 2293 mi between Boston and Phoenix Sky Harbor Intl Airport. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Boston to Phoenix Sky Harbor Intl Airport round-trip?

    Cheapflights users have booked flights from Boston to Phoenix Sky Harbor Intl Airport round-trip from $96. Other airlines that can offer you cheap pricing are Spirit Airlines, from $106, and Delta, from $175. Users have found that Frontier is 72% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Boston to Phoenix Sky Harbor Intl Airport one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $146. Users have also found prices from $160 and $164 on Frontier and JetBlue, respectively.

  • What are the most reliable airlines from Boston to Phoenix Sky Harbor Intl Airport?

    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 Boston to Phoenix Sky Harbor Intl Airport on time: American Airlines (82%), Air France (61%), Etihad Airways (60%).

  • What are the cheapest flights from Boston to Phoenix Sky Harbor Intl Airport?

    On average you can expect to pay $909 for a flight from Boston to Phoenix Sky Harbor Intl Airport. The cheapest flight overall is $128 while the most popular route, (Boston Logan Intl - Phoenix Sky Harbor Intl) is currently priced at $149.

  • Can I find deals for flights from Boston to Sky Harbor Intl that include hotel bookings?

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

  • How can I find direct flights from Boston to Sky Harbor Intl?

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

  • Can I find deals for business class flights from Boston to Sky Harbor Intl?

    Yes. Cheapflights offers flight deals from Boston to Sky Harbor Intl 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 Sky Harbor Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Boston to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Boston to Phoenix Sky Harbor Intl Airport 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

Traveling to a place near Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Payson
Glendale
Chandler
Globe
Goodyear
Casa Grande
Buckeye
Camp Verde
Surprise
Peoria
Paradise Valley
Avondale
Guadalupe

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Top 7 airlines flying from Boston to Sky Harbor Intl

Discover the top 7 airlines that operate flights from Boston to Sky Harbor Intl. 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$96Average$203FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$106Average$195FlexibilityNo cancel feeOn-time65%
DeltaCheapest$175Average$332FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$176Average$310FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$237Average$394FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$249Average$448FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$250Average$409FlexibilityNo cancel feeOn-time69%

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