Find flights
Deals
When to book
FAQs

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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PHX
12 Oct — 19 Oct1
1 adult
1 adult, Economy

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 12 September 2025.

Round-trip from

£175

One-way from

£104

Popular in

April

Cheapest in

January

Average price

£241
Delta
  • Delta
  • 25/10-1/11
  • 1 total stop
  • 15h 02m total
  • Boston to Phoenix
Search Deals
Southwest
  • Southwest
  • 22/11
  • 1 total stop
  • 7h 40m total
  • Boston to Phoenix
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£21 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
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 12 September 2025.

Sat 25/1006:50BOS - PHX
1 stop10h 06mDelta
Sat 1/1112:10PHX - BOS
Nonstop4h 56mDelta
Deal found 11/9£175
Sat 15/1116:50BOS - PHX
Nonstop5h 55mJetBlue
Thu 20/1123:45PHX - BOS
Nonstop4h 40mJetBlue
Deal found 10/9£176
Tue 21/1006:45BOS - PHX
1 stop8h 10mSouthwest
Tue 28/1011:40PHX - BOS
2 stops7h 30mSouthwest
Deal found 10/9£176
Wed 5/1106:45BOS - PHX
2 stops9h 25mSouthwest
Wed 12/1120:55PHX - BOS
2 stops9h 10mSouthwest
Deal found 10/9£177
Tue 18/1106:45BOS - PHX
2 stops9h 25mSouthwest
Sun 23/1106:30PHX - BOS
1 stop9h 40mSouthwest
Deal found 10/9£178
Sun 9/1108:05BOS - PHX
Nonstop5h 57mDelta
Sat 15/1107:00PHX - BOS
1 stop7h 11mDelta
Deal found 11/9£179
Sun 16/1105:35BOS - PHX
2 stops10h 15mSouthwest
Wed 19/1110:00PHX - BOS
2 stops10h 15mSouthwest
Deal found 11/9£179
Mon 6/1006:17BOS - PHX
1 stop7h 56mSpirit Airlines
Fri 10/1010:58PHX - BOS
1 stop10h 01mSpirit Airlines
Deal found 10/9£180
Fri 7/1113:30BOS - PHX
1 stop8h 05mSouthwest
Sun 9/1106:30PHX - BOS
1 stop9h 40mSouthwest
Deal found 10/9£181
Wed 1/1015:15BOS - PHX
2 stops9h 55mSouthwest
Mon 6/1005:15PHX - BOS
1 stop8h 25mSouthwest
Deal found 11/9£182
Sat 25/1006:15BOS - PHX
1 stop9h 00mDelta
Mon 27/1000:40PHX - BOS
1 stop7h 08mDelta
Deal found 11/9£182
Fri 28/1108:05BOS - PHX
Nonstop5h 57mDelta
Sat 6/1214:20PHX - BOS
1 stop7h 20mDelta
Deal found 10/9£183

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 12 September 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

Sun 9/11

05:29-11:23

1 stop7h 54m

Phoenix Sky Harbor Intl

Sat 15/11

13:07-19:52

Nonstop4h 45m

£179

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Tue 28/10

08:10-10:51

Nonstop5h 41m

Phoenix Sky Harbor Intl

Sun 2/11

23:40-09:02

1 stop7h 22m

£179

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sun 9/11

06:10-13:08

1 stop8h 58m

Phoenix Sky Harbor Intl

Wed 12/11

13:07-19:50

Nonstop4h 43m

£179

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 8/11

15:20-21:46

1 stop8h 26m

Phoenix Sky Harbor Intl

Wed 12/11

14:18-23:44

1 stop7h 26m

£182

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Thu 30/10

08:10-10:51

Nonstop5h 41m

Phoenix Sky Harbor Intl

Sat 1/11

00:59-10:48

1 stop7h 49m

£182

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 13/12

06:10-13:13

1 stop9h 03m

Phoenix Sky Harbor Intl

Mon 15/12

00:59-11:01

1 stop8h 02m

£182

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 1/11

17:15-23:00

1 stop8h 45m

Phoenix Sky Harbor Intl

Fri 7/11

00:59-10:48

1 stop7h 49m

£182

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 25/10

06:50-12:05

1 stop8h 15m

Phoenix Sky Harbor Intl

Tue 28/10

06:00-16:32

1 stop7h 32m

£182

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 15/11

05:40-13:16

1 stop9h 36m

Phoenix Sky Harbor Intl

Wed 19/11

06:00-15:56

1 stop7h 56m

£182

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Wed 29/10

17:00-20:01

Nonstop6h 01m

Phoenix Sky Harbor Intl

Sat 22/11

23:45-06:25

Nonstop4h 40m

£184

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 22 results
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?

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 29 August 2025.

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?

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 12 September 2025.

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 morning, which can drop the price by up to 13% 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 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 54m. Fly via Delta to get the fastest option. Airlines will cover a distance of 2293 mi.

  • What are the cheapest airlines to fly from Boston to Phoenix Sky Harbor Intl Airport one-way?

    One-way options have recently been found by users for as low as £104 on Delta. Other airlines that offer cheap prices include Hawaiian Airlines from £107 and Alaska Airlines from £107 one-way.

  • 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 American Airlines (82%), Air France (61%) and Etihad Airways (60%).

  • 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 £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.

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
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.