HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sky Harbor Intl

$139+ 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 8/28. 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
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Sky Harbor Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Boston Logan Intl to Phoenix Sky Harbor Intl 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 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 June 12, 2025.

Round-trip from

$246
(Delta)

One-way from

$139
(Delta)

Popular in

April

Cheapest in

January

Average price

$348

Good round-trip deal

$295 or less

Good one-way deal

$171 or less
From Boston Logan Intl to Phoenix Sky Harbor Intl
Search Deals
One-way flight from Boston Logan Intl to Phoenix Sky Harbor Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Phoenix Sky Harbor Intl.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Phoenix Sky Harbor Intl.
Search Deals

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 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 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 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
This Trip.com deal was found by Cheapflights users on 6/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1212:55 pmBOS - PHX
1 stop29h 56mFrontier
Sun 6/155:27 pmPHX - BOS
1 stop12h 13mFrontier
Deal found 6/9$378

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 June 12, 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

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 - 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 - 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

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Tue 7/22

1:00 pm-9:55 pm

2 stops11h 55m

Phoenix Sky Harbor Intl

Tue 7/29

11:09 pm-10:57 am

1 stop8h 48m

$356

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Fri 6/27

9:40 am-4:22 pm

1 stop9h 42m

Phoenix Sky Harbor Intl

Wed 7/9

4:56 pm-7:52 am

1 stop11h 56m

$360

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 19 results
1
2

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 June 9, 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 62 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 June 12, 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 34% 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 June 8, 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. 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 June 12, 2025.

The most flights from BOS to PHX 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 Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl Airport when rainfall is around 0.0 in.

Temperature in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phoenix Sky Harbor Intl Airport, 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 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 June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Boston to Phoenix to help guide your decision. 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

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

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

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

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

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

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

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

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

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

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

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

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 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 13 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 $247, 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 Delta. According to our data, you can fly for as low as $139. Users have also found prices from $140 and $141 on Spirit Airlines and Southwest, 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: British Airways (100%), American Airlines (80%), JetBlue (73%).

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

    On average you can expect to pay $903 for a flight from Boston to Phoenix Sky Harbor Intl Airport. The cheapest flight overall is $133 while the most popular route, (Boston Logan Intl - Phoenix Sky Harbor Intl) is currently priced at $170.

  • 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 Boston?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$95Average$191FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$101Average$195FlexibilityNo cancel feeOn-time65%
DeltaCheapest$169Average$322FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$176Average$306FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$232Average$387FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$243Average$408FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$286Average$466FlexibilityNo cancel feeOn-time63%
Sun Country AirCheapest$305Average$315FlexibilityNo cancel feeOn-time83%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.