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Cheap flights from Boston to Phoenix Sky Harbor Intl Airport from £76

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 21/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PHX
7 Mar — 14 Mar1
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 5 February 2026.

Tue 17/317:22
BOS
-
PHX
Nonstop6h 01m
JetBlue
Thu 19/321:49
PHX
-
BOS
Nonstop4h 41m
JetBlue
Deal found 2/2£150
Mon 23/217:15
BOS
-
PHX
Nonstop6h 05m
Delta
Mon 2/323:58
PHX
-
BOS
Nonstop4h 57m
Delta
Deal found 3/2£151
Tue 31/311:15
BOS
-
PHX
1 stop8h 39m
United Airlines
Tue 14/409:50
PHX
-
BOS
1 stop7h 23m
United Airlines
Deal found 4/2£153
Fri 20/216:47
BOS
-
PHX
1 stop8h 03m
United Airlines
Wed 25/213:31
PHX
-
BOS
1 stop7h 59m
United Airlines
Deal found 4/2£155
Tue 17/309:05
BOS
-
PHX
1 stop7h 49m
Delta
Thu 19/322:33
PHX
-
BOS
Nonstop4h 47m
Delta
Deal found 2/2£158
Mon 23/217:15
BOS
-
PHX
Nonstop6h 05m
Delta
Fri 27/200:59
PHX
-
BOS
1 stop7h 51m
Delta
Deal found 3/2£159
Tue 24/307:00
BOS
-
PHX
1 stop8h 40m
United Airlines
Tue 7/406:05
PHX
-
BOS
1 stop7h 47m
United Airlines
Deal found 2/2£160
Wed 11/305:45
BOS
-
PHX
1 stop8h 13m
United Airlines
Wed 18/319:37
PHX
-
BOS
1 stop7h 14m
United Airlines
Deal found 3/2£161
Wed 29/408:35
BOS
-
PHX
Nonstop5h 53m
Delta
Mon 4/512:40
PHX
-
BOS
Nonstop4h 51m
Delta
Deal found 3/2£162
Sat 6/617:55
BOS
-
PHX
Nonstop5h 46m
Delta
Sat 13/622:30
PHX
-
BOS
Nonstop5h 06m
Delta
Deal found 2/2£164
Fri 20/218:37
BOS
-
PHX
1 stop8h 05m
Delta
Thu 26/223:59
PHX
-
BOS
1 stop7h 15m
Delta
Deal found 3/2£166
Thu 3/1216:57
BOS
-
PHX
1 stop7h 54m
United Airlines
Tue 8/1210:50
PHX
-
BOS
1 stop7h 09m
United Airlines
Deal found 4/2£167

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 5 February 2026.

Round-trip from

£150

One-way from

£76

Popular in

April

Cheapest in

January

Average price

£268
JetBlue
  • JetBlue
  • 17/3-19/3
  • Nonstop
  • 10h 42m total
  • Boston to Phoenix
Search Deals
Delta
  • Delta
  • 2/5
  • Nonstop
  • 5h 50m total
  • Boston to Phoenix
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£14 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 February 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 5 February 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

Boston

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Tue 17/3

17:22-20:23

Nonstop6h 01m

Phoenix Sky Harbor Intl

Thu 19/3

21:49-05:30

Nonstop4h 41m

£150

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 30/5

17:55-20:41

Nonstop5h 46m

Phoenix Sky Harbor Intl

Sat 6/6

22:27-06:25

Nonstop4h 58m

£151

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Tue 17/3

09:05-13:54

1 stop7h 49m

Phoenix Sky Harbor Intl

Thu 19/3

22:33-06:20

Nonstop4h 47m

£158

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Mon 23/2

17:15-21:20

Nonstop6h 05m

Phoenix Sky Harbor Intl

Wed 25/2

23:59-09:14

1 stop7h 15m

£159

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Tue 24/3

08:35-11:35

Nonstop6h 00m

Phoenix Sky Harbor Intl

Tue 7/4

22:30-10:04

1 stop8h 34m

£159

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Tue 3/3

08:15-12:28

Nonstop6h 13m

Phoenix Sky Harbor Intl

Mon 9/3

23:55-11:28

1 stop8h 33m

£159

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Wed 29/4

08:35-11:28

Nonstop5h 53m

Phoenix Sky Harbor Intl

Wed 6/5

19:18-06:00

1 stop7h 42m

£159

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Fri 27/2

18:37-00:42

1 stop8h 05m

Phoenix Sky Harbor Intl

Wed 4/3

13:40-20:27

Nonstop4h 47m

£159

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 21/2

12:50-19:47

1 stop8h 57m

Phoenix Sky Harbor Intl

Mon 2/3

23:58-06:55

Nonstop4h 57m

£159

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Tue 24/2

15:30-23:42

1 stop10h 12m

Phoenix Sky Harbor Intl

Mon 2/3

23:58-06:55

Nonstop4h 57m

£159

Flights are sorted by cheapest return flights first.

Deals found on 1/2

Showing 1-10 of 21 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 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?

Use this chart to determine the optimal time to book a return flight from Boston to Sky Harbor Intl. Price data was last updated on 30 January 2026.

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 30 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, November is the cheapest month in which you can book a flight from Boston to Phoenix Sky Harbor Intl Airport (average of £99). Flying from Boston to Phoenix Sky Harbor Intl Airport in May is currently the most expensive (average of £169). 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 5 February 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.

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 10 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 6h 01m. Fly via JetBlue or Delta to get the fastest option. Airlines will cover a distance of 2293 mi. All flights are typically direct.

  • 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 (82%), Alaska Airlines (80%) and JetBlue (78%).

  • 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, November is the cheapest month in which you can book a flight from Boston to Phoenix Sky Harbor Intl Airport (average of £99). Flying from Boston to Phoenix Sky Harbor Intl Airport in May is currently the most expensive (average of £169). 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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