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Cheap flights from Boston to Phoenix Sky Harbor Intl Airport from £99

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 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PHX
28 May — 4 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Boston Logan Intl to Phoenix Sky Harbor Intl are usually found in January or August, booked 62 days in advance, depart on a Wednesday or Monday and return on a Monday

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 28 April 2026.

Tue 26/518:45
BOS
-
PHX
1 stop7h 44m
Delta
Fri 29/519:04
PHX
-
BOS
1 stop8h 16m
Delta
Deal found 28/4£197
Sat 23/515:30
BOS
-
PHX
1 stop7h 20m
Southwest
Fri 29/523:55
PHX
-
BOS
2 stops10h 40m
Southwest
Deal found 27/4£201
Tue 12/517:55
BOS
-
PHX
Nonstop5h 46m
Delta
Tue 19/513:23
PHX
-
BOS
1 stop7h 35m
Delta
Deal found 28/4£205
Sun 24/518:40
BOS
-
PHX
1 stop7h 57m
United Airlines
Wed 27/523:50
PHX
-
BOS
1 stop6h 49m
United Airlines
Deal found 27/4£209
Wed 3/618:35
BOS
-
PHX
1 stop8h 01m
United Airlines
Sun 7/623:50
PHX
-
BOS
1 stop6h 49m
United Airlines
Deal found 23/4£210
Sat 15/805:30
BOS
-
PHX
1 stop7h 10m
Southwest
Thu 20/805:05
PHX
-
BOS
1 stop9h 00m
Southwest
Deal found 24/4£211
Tue 12/517:55
BOS
-
PHX
Nonstop5h 46m
Delta
Fri 15/522:27
PHX
-
BOS
Nonstop4h 58m
Delta
Deal found 28/4£212
Fri 5/617:55
BOS
-
PHX
Nonstop5h 46m
Delta
Sat 13/622:32
PHX
-
BOS
Nonstop4h 58m
Delta
Deal found 23/4£213
Sat 23/509:10
BOS
-
PHX
2 stops12h 05m
Southwest
Sat 30/523:55
PHX
-
BOS
1 stop8h 00m
Southwest
Deal found 24/4£216
Thu 10/911:15
BOS
-
PHX
1 stop8h 30m
Southwest
Mon 14/918:10
PHX
-
BOS
1 stop8h 50m
Southwest
Deal found 23/4£218
Thu 7/506:10
BOS
-
PHX
1 stop8h 59m
Delta
Sun 10/522:27
PHX
-
BOS
Nonstop4h 58m
Delta
Deal found 23/4£219

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 28 April 2026.

Round-trip from

£197

One-way from

£99

Popular in

April

Cheapest in

January

Average price

£314
Delta
  • Delta
  • 13/5-15/5
  • Nonstop
  • 10h 44m total
  • Boston to Phoenix
Search Deals
Delta
  • Delta
  • 30/5
  • 1 total stop
  • 10h 29m total
  • Boston to Phoenix
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 28 April 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 14/5

17:55-20:41

Nonstop5h 46m

Phoenix Sky Harbor Intl

Mon 18/5

17:16-06:20

1 stop10h 04m

£205

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Tue 12/5

17:55-20:41

Nonstop5h 46m

Phoenix Sky Harbor Intl

Fri 15/5

19:04-06:20

1 stop8h 16m

£219

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Tue 2/6

08:05-15:41

1 stop10h 36m

Phoenix Sky Harbor Intl

Sat 6/6

16:23-05:44

1 stop10h 21m

£227

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Wed 10/6

11:50-16:17

1 stop7h 27m

Phoenix Sky Harbor Intl

Mon 15/6

22:32-06:30

Nonstop4h 58m

£230

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Fri 22/5

17:55-20:41

Nonstop5h 46m

Phoenix Sky Harbor Intl

Thu 28/5

19:04-06:20

1 stop8h 16m

£230
Fastest return journey

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 15/8

18:05-20:55

Nonstop5h 50m

Phoenix Sky Harbor Intl

Sat 22/8

22:30-06:36

Nonstop5h 06m

£244

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 15/8

15:47-20:45

1 stop7h 58m

Phoenix Sky Harbor Intl

Sat 22/8

07:07-17:36

1 stop7h 29m

£246

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Wed 9/9

18:05-20:55

Nonstop5h 50m

Phoenix Sky Harbor Intl

Sat 12/9

11:25-22:20

1 stop7h 55m

£252

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Tue 18/8

05:40-12:24

1 stop9h 44m

Phoenix Sky Harbor Intl

Sat 22/8

22:30-06:36

Nonstop5h 06m

£252

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Mon 24/8

18:05-20:55

Nonstop5h 50m

Phoenix Sky Harbor Intl

Tue 1/9

22:30-06:36

Nonstop5h 06m

£254

Flights are sorted by cheapest return flights first.

Deals found on 25/4

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 61 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 £218). Flying from Boston to Phoenix Sky Harbor Intl Airport in April is currently the most expensive (average of £314). 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 28 April 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 5 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 5h 46m. Fly via Delta or Southwest 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 JetBlue (86%), Qatar Airways (85%) and EL AL (85%).

  • 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 £218). Flying from Boston to Phoenix Sky Harbor Intl Airport in April is currently the most expensive (average of £314). 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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