Find flights
Deals
When to book
FAQs

Cheap flights from Boston to Phoenix Sky Harbor Intl Airport from £109

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PHX
23 Jul — 30 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Boston to Sky Harbor Intl

Enter your travel dates to find the best prices.

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 23 June 2026.

Wed 16/905:55
BOS
-
PHX
1 stop7h 30m
Delta
Wed 23/909:15
PHX
-
BOS
1 stop12h 19m
Delta
Deal found 22/6£232
Tue 15/907:30
BOS
-
PHX
2 stops8h 30m
Southwest
Tue 22/906:00
PHX
-
BOS
1 stop7h 55m
Southwest
Deal found 19/6£236
Mon 3/817:10
BOS
-
PHX
1 stop7h 49m
JetBlue
Sun 16/823:06
PHX
-
BOS
1 stop9h 15m
JetBlue
Deal found 20/6£237
Fri 11/918:17
BOS
-
PHX
1 stop20h 14m
Alaska Airlines
Mon 14/907:08
PHX
-
BOS
1 stop19h 41m
Alaska Airlines
Deal found 20/6£240
Wed 16/917:50
BOS
-
PHX
Nonstop5h 32m
Delta
Fri 25/917:32
PHX
-
BOS
1 stop11h 08m
Delta
Deal found 18/6£243
Wed 2/905:51
BOS
-
PHX
1 stop8h 01m
Delta
Wed 9/922:17
PHX
-
BOS
Nonstop5h 03m
Delta
Deal found 20/6£245
Thu 5/1115:30
BOS
-
PHX
1 stop10h 51m
Delta
Wed 11/1113:10
PHX
-
BOS
1 stop8h 41m
Delta
Deal found 23/6£251
Thu 17/917:50
BOS
-
PHX
Nonstop5h 32m
Delta
Fri 25/922:17
PHX
-
BOS
Nonstop5h 03m
Delta
Deal found 18/6£255
Sat 15/817:50
BOS
-
PHX
Nonstop5h 38m
Delta
Sat 22/822:23
PHX
-
BOS
Nonstop4h 57m
Delta
Deal found 23/6£258
Sat 12/912:10
BOS
-
PHX
2 stops10h 15m
Southwest
Tue 15/909:55
PHX
-
BOS
2 stops8h 25m
Southwest
Deal found 23/6£258
Sat 19/905:00
BOS
-
PHX
2 stops8h 35m
Southwest
Sat 26/906:10
PHX
-
BOS
1 stop10h 40m
Southwest
Deal found 20/6£259

Find 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 23 June 2026.

Round-trip from

£232

One-way from

£109

Popular in

June

Cheapest in

January

Average price

£330
Delta
  • Delta
  • 24/10-31/10
  • 2 total stops
  • 18h 33m total
  • Boston to Phoenix
Search Deals
Delta
  • Delta
  • 28/10
  • Nonstop
  • 5h 56m total
  • Boston to Phoenix
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£8 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 23 June 2026.
Use the filters below to find and compare flights from Boston to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Thu 5/11

11:00-21:34

1 stop12h 34m

Phoenix Sky Harbor Intl

Wed 11/11

13:00-19:58

Nonstop4h 58m

£243
Fastest return journey

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 22/8

17:50-20:28

Nonstop5h 38m

Phoenix Sky Harbor Intl

Sat 29/8

22:23-06:20

Nonstop4h 57m

£258

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 19/9

05:00-10:35

2 stops8h 35m

Phoenix Sky Harbor Intl

Sat 26/9

06:10-19:50

1 stop10h 40m

£259

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Thu 10/9

17:50-20:22

Nonstop5h 32m

Phoenix Sky Harbor Intl

Sun 13/9

17:15-06:30

1 stop10h 15m

£262

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Mon 24/8

17:50-20:28

Nonstop5h 38m

Phoenix Sky Harbor Intl

Tue 1/9

13:20-23:57

1 stop7h 37m

£279

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Wed 22/7

11:35-18:00

2 stops9h 25m

Phoenix Sky Harbor Intl

Sun 26/7

12:50-23:10

1 stop7h 20m

£290

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Thu 27/8

10:30-17:25

2 stops9h 55m

Phoenix Sky Harbor Intl

Sun 30/8

07:40-20:25

1 stop9h 45m

£298

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Mon 24/8

07:30-14:35

2 stops10h 05m

Phoenix Sky Harbor Intl

Thu 27/8

16:00-09:00

2 stops14h 00m

£306

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Fri 16/10

17:50-20:46

Nonstop5h 56m

Phoenix Sky Harbor Intl

Sun 18/10

22:17-06:15

Nonstop4h 58m

£308

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Fri 17/7

07:30-12:50

2 stops8h 20m

Phoenix Sky Harbor Intl

Sat 25/7

18:50-08:25

1 stop10h 35m

£310

Flights are sorted by cheapest return flights first.

Deals found on 19/6

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 return 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?

The price you pay for your flight from Boston to Phoenix Sky Harbor Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 40 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 £223). Flying from Boston to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of £330). 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 23 June 2026.

When flying from Boston to Phoenix Sky Harbor Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 64% versus a flight at midday.

How much does it cost for a return flight from Boston to Phoenix Sky Harbor Intl Airport?

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?

    For a flight from Boston to Phoenix Sky Harbor Intl, you will be flying from Logan Intl. Boston Logan Intl (BOS) is just 2.6 mi from the center of the city. Logan Intl is the only Boston airport and it handles 8 outbound flights to Phoenix Sky Harbor Intl per day. 0 airlines have flights to Phoenix Sky Harbor Intl from Boston Logan Intl on a regular basis.

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

    There are many flights that can get you from Boston to Phoenix Sky Harbor Intl Airport in 12h 34m. Fly via Delta to get the fastest option. Airlines will cover a distance of 2293 mi.

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

    The top 3 most reliable airlines when flying from Boston to Phoenix Sky Harbor Intl Airport are KLM (100%), Etihad Airways (80%) and EL AL (77%).

  • 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 holiday 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 £223). Flying from Boston to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of £330). 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

Travelling 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
Glendale
Chandler

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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Boston to Sky Harbor Intl?

Cheapflights helps you search for flights from Boston to Sky Harbor Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Boston to Sky Harbor Intl?

Cheapflights helps you find that perfect flight to Sky Harbor Intl from Boston by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Boston to Sky Harbor Intl with no change fees?

Need flexible booking options for your flight to Sky Harbor Intl from Boston? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Boston to Sky Harbor Intl become cheaper?

Yes, Cheapflights offers price alerts on Boston to Sky Harbor Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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.