Sky Harbor Intl

$142+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PHX
Aug 2 — Aug 91
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Cheapflights Tip: The best prices from Boston Logan Intl to Phoenix Sky Harbor Intl are usually found in January or August, 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 July 28, 2025.

Round-trip from

$246
(Delta)

One-way from

$142
(Cheapflightsfares)

Popular in

April

Cheapest in

January

Average price

$334

Good round-trip deal

$300 or less

Good one-way deal

$178 or less
From Boston Logan Intl to Phoenix Sky Harbor Intl
One-way flight from Boston Logan Intl to Phoenix Sky Harbor Intl
Highest demand for flights based on searches. 11% potential increase in price ($45 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Boston Logan Intl to Phoenix Sky Harbor Intl.
Price to beat on a one-way flight from Boston Logan Intl to Phoenix Sky Harbor Intl.

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 July 28, 2025.

This Delta deal was found by Cheapflights users on 7/28. 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 9/205:45 amBOS - PHX
1 stop9h 52mDelta
Sat 9/2710:54 pmPHX - BOS
Nonstop5h 01mDelta
Deal found 7/28$246
This FlightHub deal was found by Cheapflights users on 7/27. 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.
Sun 10/266:15 amBOS - PHX
1 stop18h 49mSpirit Airlines
Sun 11/21:14 pmPHX - BOS
1 stop8h 41mSpirit Airlines
Deal found 7/27$248
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 9/237:45 amBOS - PHX
1 stop10h 45mAlaska Airlines
Sat 10/256:00 amPHX - BOS
1 stop8h 43mAlaska Airlines
Deal found 7/27$250
This CheapOair deal was found by Cheapflights users on 7/26. 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.
Sun 12/711:21 amBOS - PHX
1 stop30h 26mMultiple Airlines
Wed 12/101:45 pmPHX - BOS
1 stop7h 40mMultiple Airlines
Deal found 7/26$255
This Frontier deal was found by Cheapflights users on 7/27. 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.
Sat 8/169:40 amBOS - PHX
1 stop9h 36mFrontier
Wed 8/204:59 pmPHX - BOS
1 stop11h 53mFrontier
Deal found 7/27$258
This American Airlines deal was found by Cheapflights users on 7/27. 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 10/156:00 amBOS - PHX
Nonstop5h 57mAmerican Airlines
Sat 10/251:22 pmPHX - BOS
Nonstop5h 03mAmerican Airlines
Deal found 7/27$262
This Hawaiian Airlines deal was found by Cheapflights users on 7/28. 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.
Fri 9/197:45 amBOS - PHX
1 stop10h 45mHawaiian Airlines
Tue 9/236:00 amPHX - BOS
1 stop8h 55mHawaiian Airlines
Deal found 7/28$265
This Southwest deal was found by Cheapflights users on 7/27. 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 10/155:15 amBOS - PHX
1 stop10h 05mSouthwest
Sat 10/256:20 amPHX - BOS
1 stop9h 30mSouthwest
Deal found 7/27$289

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 July 28, 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

Sat 9/20

5:45 am-12:37 pm

1 stop9h 52m

Phoenix Sky Harbor Intl

Sat 9/27

10:54 pm-6:55 am

Nonstop5h 01m

$246

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sun 10/26

6:15 am-10:04 pm

1 stop18h 49m

Phoenix Sky Harbor Intl

Sun 11/2

1:14 pm-11:55 pm

1 stop8h 41m

$248

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Tue 9/23

7:45 am-3:30 pm

1 stop10h 45m

Phoenix Sky Harbor Intl

Sat 10/25

6:00 am-5:43 pm

1 stop8h 43m

$250

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Thu 7/31

12:26 pm-10:34 pm

1 stop13h 08m

Phoenix Sky Harbor Intl

Thu 8/7

5:27 pm-8:35 am

1 stop12h 08m

$257

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 8/16

9:40 am-4:16 pm

1 stop9h 36m

Phoenix Sky Harbor Intl

Wed 8/20

4:59 pm-7:52 am

1 stop11h 53m

$258

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Wed 10/15

6:00 am-8:57 am

Nonstop5h 57m

Phoenix Sky Harbor Intl

Sat 10/25

1:22 pm-9:25 pm

Nonstop5h 03m

$262

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Fri 9/19

7:45 am-3:30 pm

1 stop10h 45m

Phoenix Sky Harbor Intl

Tue 9/23

6:00 am-5:55 pm

1 stop8h 55m

$265

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Wed 10/15

5:15 am-12:20 pm

1 stop10h 05m

Phoenix Sky Harbor Intl

Sat 10/25

6:20 am-6:50 pm

1 stop9h 30m

$289

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Fri 8/15

9:40 am-4:16 pm

1 stop9h 36m

$142

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Tue 9/23

5:40 pm-8:13 pm

Nonstop5h 33m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 17 results
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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 July 25, 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 July 28, 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 July 27, 2025.

Travelers seeking maximum savings on their Boston to Phoenix Sky Harbor Intl Airport flight should consider departing on Saturday 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 Sky Harbor Intl Airport

Explore weekly flight availability from Boston to Sky Harbor Intl. 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 July 28, 2025.

The most flights from BOS to PHX are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).

What’s the top layover airport for flights from Boston to Phoenix Sky Harbor Intl Airport?

Share of 1-stop round-trip flights from Boston to Phoenix Sky Harbor Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Chicago (ORD) – chosen by Cheapflights users on 17% of 1-stop itineraries from Boston to Phoenix Sky Harbor Intl Airport on Cheapflights.

What’s the cheapest layover airport for flights from Boston to Phoenix Sky Harbor Intl Airport?

Average round-trip fare for 1-stop flights from Boston to Phoenix Sky Harbor Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Fort Lauderdale (FLL) is the most affordable 1-stop option, with an average round-trip price of $159.

What’s the fastest layover option from Boston to Phoenix Sky Harbor Intl Airport?

Shortest average travel time for 1-stop one-way flights from Boston to Phoenix Sky Harbor Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 3h 20m.

Which airport typically offers the quickest layover for flights from Boston to Phoenix Sky Harbor Intl Airport?

Average layover duration for 1-stop one-way flights from Boston to Phoenix Sky Harbor Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 05m.

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 July 28, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta 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.

Comfort

7.8

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Comfort

7.8

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Comfort

7.8

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
8.0
Very good

Comfort

7.8

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Comfort

7.8

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Comfort

7.8

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 8 outbound flights to Phoenix Sky Harbor Intl per day. You should also have plenty of airline options to choose from since 8 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.

  • 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 $246. Other airlines that can offer you cheap pricing are Spirit Airlines, from $248, and Alaska Airlines, from $250. Users have found that Delta is 28% 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 Frontier. According to our data, you can fly for as low as $142. Users have also found prices from $144 and $145 on Delta and Spirit Airlines, 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 (78%), Etihad Airways (64%), Aer Lingus (64%).

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

    On average you can expect to pay $825 for a flight from Boston to Phoenix Sky Harbor Intl Airport. The cheapest flight overall is $140 while the most popular route, (Boston Logan Intl - Phoenix Sky Harbor Intl) is currently priced at $197.

  • 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
Chandler
Payson
Peoria
Glendale
Globe
Goodyear
Surprise
Buckeye
Camp Verde
Casa Grande
Paradise Valley
Avondale
Guadalupe

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Top 8 airlines flying from Boston to Sky Harbor Intl

Discover the top 8 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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$95Average$192FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$101Average$195FlexibilityNo cancel feeOn-time65%
DeltaCheapest$172Average$327FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$177Average$307FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$232Average$389FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$241Average$407FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$250Average$449FlexibilityNo cancel feeOn-time63%
Sun Country AirCheapest$305Average$315FlexibilityNo cancel feeOn-time83%

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