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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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PHX
30 Jul — 6 Aug1
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 30 June 2026.

Mon 17/817:50
BOS
-
PHX
Nonstop5h 38m
Delta
Tue 22/922:17
PHX
-
BOS
Nonstop5h 03m
Delta
Deal found 28/6£251
Wed 16/913:05
BOS
-
PHX
1 stop8h 10m
Southwest
Mon 21/916:00
PHX
-
BOS
2 stops14h 55m
Southwest
Deal found 28/6£252
Tue 18/816:30
BOS
-
PHX
1 stop9h 30m
Delta
Wed 23/911:51
PHX
-
BOS
1 stop7h 22m
Delta
Deal found 28/6£252
Wed 9/1217:45
BOS
-
PHX
1 stop7h 50m
Southwest
Tue 15/1208:35
PHX
-
BOS
1 stop6h 10m
Southwest
Deal found 25/6£253
Fri 16/1018:10
BOS
-
PHX
Nonstop5h 43m
Delta
Mon 19/1022:23
PHX
-
BOS
Nonstop5h 07m
Delta
Deal found 29/6£255
Wed 23/907:30
BOS
-
PHX
2 stops8h 30m
Southwest
Mon 28/916:00
PHX
-
BOS
2 stops14h 55m
Southwest
Deal found 28/6£255
Tue 18/817:50
BOS
-
PHX
Nonstop5h 38m
Delta
Fri 25/922:17
PHX
-
BOS
Nonstop5h 03m
Delta
Deal found 27/6£256
Wed 12/807:30
BOS
-
PHX
2 stops8h 30m
Southwest
Mon 17/816:00
PHX
-
BOS
2 stops14h 55m
Southwest
Deal found 29/6£257
Wed 12/817:50
BOS
-
PHX
Nonstop5h 38m
Delta
Sat 15/822:23
PHX
-
BOS
Nonstop4h 57m
Delta
Deal found 29/6£258
Mon 17/817:50
BOS
-
PHX
Nonstop5h 38m
Delta
Wed 23/911:51
PHX
-
BOS
1 stop7h 22m
Delta
Deal found 27/6£258
Thu 27/808:00
BOS
-
PHX
1 stop9h 33m
Alaska Airlines
Sun 27/916:13
PHX
-
BOS
1 stop12h 26m
Alaska Airlines
Deal found 27/6£259
Fri 17/711:59
BOS
-
PHX
1 stop10h 45m
Frontier
Tue 18/809:10
PHX
-
BOS
2 stops23h 37m
Frontier
Deal found 29/6£260

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 30 June 2026.

Round-trip from

£251

One-way from

£109

Popular in

June

Cheapest in

January

Average price

£333
Delta
  • Delta
  • 6/11-11/11
  • 2 total stops
  • 17h 38m total
  • Boston to Phoenix
Search Deals
Delta
  • Delta
  • 22/9
  • Nonstop
  • 5h 32m total
  • Boston to Phoenix
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£9 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 30 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

Fri 6/11

10:50-19:28

1 stop10h 38m

Phoenix Sky Harbor Intl

Wed 11/11

15:58-00:58

1 stop7h 00m

£251

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Mon 28/9

07:01-11:57

1 stop7h 56m

Phoenix Sky Harbor Intl

Wed 30/9

06:45-16:46

1 stop7h 01m

£251

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Thu 5/11

10:50-19:28

1 stop10h 38m

Phoenix Sky Harbor Intl

Wed 11/11

13:05-00:58

1 stop9h 53m

£251
Fastest return journey

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Wed 12/8

17:50-20:28

Nonstop5h 38m

Phoenix Sky Harbor Intl

Sat 22/8

22:23-06:20

Nonstop4h 57m

£258

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Fri 30/10

17:00-22:59

1 stop8h 59m

Phoenix Sky Harbor Intl

Mon 2/11

22:23-05:30

Nonstop5h 07m

£262

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sun 1/11

18:10-21:53

Nonstop5h 43m

Phoenix Sky Harbor Intl

Mon 9/11

20:25-06:11

1 stop7h 46m

£262

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 5/12

09:05-15:52

1 stop8h 47m

Phoenix Sky Harbor Intl

Wed 9/12

13:00-19:58

Nonstop4h 58m

£265

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Wed 7/10

15:30-23:21

1 stop10h 51m

Phoenix Sky Harbor Intl

Mon 12/10

22:17-06:15

Nonstop4h 58m

£266

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Fri 11/12

17:45-11:56

1 stop20h 11m

Phoenix Sky Harbor Intl

Sun 13/12

07:01-17:30

1 stop8h 29m

£270

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Wed 11/11

05:00-12:10

2 stops9h 10m

Phoenix Sky Harbor Intl

Fri 20/11

05:10-13:45

1 stop6h 35m

£270

Flights are sorted by cheapest return flights first.

Deals found on 27/6

Showing 1-10 of 24 resultsSorted by cheapest first
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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 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 87 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 £333). 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 30 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 7 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 7h 56m. Fly via Delta, Southwest, or United Airlines to get the fastest option. Airlines will cover a distance of 2293 mi. This flight may include one or multiple stops.

  • 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 £333). 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

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

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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.

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