Cheap flights from Boston to Phoenix Sky Harbor Intl Airport from £104
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.
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 2 September 2025.
Round-trip from | £182 |
---|---|
One-way from | £104 |
Popular in | April |
Cheapest in | January |
Average price | £242 |
Find flight deals from Boston to Sky Harbor Intl
Cheapest flights from Boston to Sky Harbor IntlExplore 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 2 September 2025.
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 2 September 2025.
Cheapflights Fare Finder
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
BostonPhoenix
BOS - PHX
BOSPHX
Boston Logan Intl
Sat 1/11
15:20-20:49
1 stop8h 29m
Phoenix Sky Harbor Intl
Sat 1/11
00:59-10:48
1 stop7h 49m
BostonPhoenix
BOS - PHX
BOSPHX
Boston Logan Intl
Fri 31/10
17:00-20:01
Nonstop6h 01m
Phoenix Sky Harbor Intl
Sat 8/11
23:07-09:49
1 stop8h 42m
BostonPhoenix
BOS - PHX
BOSPHX
Boston Logan Intl
Sat 8/11
06:15-13:15
1 stop9h 00m
Phoenix Sky Harbor Intl
Tue 18/11
13:07-19:50
Nonstop4h 43m
BostonPhoenix
BOS - PHX
BOSPHX
Boston Logan Intl
Tue 4/11
08:10-11:51
Nonstop5h 41m
Phoenix Sky Harbor Intl
Tue 18/11
23:55-09:05
1 stop7h 10m
BostonPhoenix
BOS - PHX
BOSPHX
Boston Logan Intl
Sat 8/11
13:05-18:48
1 stop7h 43m
Phoenix Sky Harbor Intl
Sat 15/11
13:07-19:52
Nonstop4h 45m
BostonPhoenix
BOS - PHX
BOSPHX
Boston Logan Intl
Mon 27/10
17:00-20:01
Nonstop6h 01m
Phoenix Sky Harbor Intl
Thu 6/11
22:20-05:01
Nonstop4h 41m
BostonPhoenix
BOS - PHX
BOSPHX
Boston Logan Intl
Sat 8/11
16:50-20:45
Nonstop5h 55m
Phoenix Sky Harbor Intl
Wed 12/11
23:07-09:49
1 stop8h 42m
BostonPhoenix
BOS - PHX
BOSPHX
Boston Logan Intl
Tue 11/11
17:00-21:01
Nonstop6h 01m
Phoenix Sky Harbor Intl
Tue 18/11
23:07-12:11
1 stop11h 04m
BostonPhoenix
BOS - PHX
BOSPHX
Boston Logan Intl
Wed 12/11
14:15-22:49
1 stop10h 34m
Phoenix Sky Harbor Intl
Wed 19/11
22:10-04:51
Nonstop4h 41m
BostonPhoenix
BOS - PHX
BOSPHX
Boston Logan Intl
Tue 24/2
17:00-20:59
Nonstop5h 59m
Phoenix Sky Harbor Intl
Mon 2/3
22:10-05:00
Nonstop4h 50m
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.
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 33 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 £729). Flying from Boston to Phoenix Sky Harbor Intl Airport in July is currently the most expensive (average of £1,041). 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?
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 at midday, which can drop the price by up to 11% versus a flight in the morning.
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.
Travelling to a place near Phoenix Sky Harbor Intl Airport?
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Complete your trip
Complete your trip to Sky Harbor Intl by adding a car hire and/or hotel booking to your travel itinerary.
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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.