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Cheap flights from Boston to Phoenix Sky Harbor Intl Airport from £88

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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PHX
4 Jan — 11 Jan1
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 December 2025.

Wed 17/1208:10BOS - PHX
Nonstop5h 46mDelta
Wed 7/113:45PHX - BOS
Nonstop4h 47mDelta
Deal found 2/12£168
Wed 17/1208:10BOS - PHX
Nonstop5h 46mDelta
Thu 8/118:20PHX - BOS
1 stop9h 45mDelta
Deal found 2/12£175
Wed 17/1217:15BOS - PHX
1 stop7h 25mSouthwest
Wed 7/109:55PHX - BOS
2 stops10h 10mSouthwest
Deal found 2/12£176
Wed 31/1216:50BOS - PHX
Nonstop6h 01mJetBlue
Wed 7/122:19PHX - BOS
Nonstop4h 41mJetBlue
Deal found 4/12£181
Wed 17/1205:30BOS - PHX
1 stop9h 35mSouthwest
Thu 8/110:30PHX - BOS
1 stop8h 20mSouthwest
Deal found 2/12£182
Wed 17/1209:00BOS - PHX
1 stop8h 08mDelta
Fri 9/113:01PHX - BOS
1 stop8h 51mDelta
Deal found 2/12£183
Wed 17/1208:10BOS - PHX
Nonstop5h 46mDelta
Thu 18/1213:06PHX - BOS
Nonstop4h 59mDelta
Deal found 3/12£188
Wed 31/1216:50BOS - PHX
Nonstop6h 01mJetBlue
Thu 8/122:19PHX - BOS
Nonstop4h 41mJetBlue
Deal found 4/12£189
Wed 17/1217:15BOS - PHX
1 stop7h 25mSouthwest
Fri 9/108:50PHX - BOS
1 stop6h 20mSouthwest
Deal found 2/12£190
Wed 31/1207:20BOS - PHX
1 stop14h 30mSouthwest
Wed 7/113:20PHX - BOS
1 stop6h 05mSouthwest
Deal found 3/12£193
Wed 31/1215:15BOS - PHX
1 stop10h 48mDelta
Wed 7/107:30PHX - BOS
1 stop7h 53mDelta
Deal found 3/12£196

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 December 2025.

Round-trip from

£155

One-way from

£88

Popular in

April

Cheapest in

January

Average price

£278
Delta
  • Delta
  • 7/1-14/1
  • 1 total stop
  • 14h 28m total
  • Boston to Phoenix
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Southwest
  • Southwest
  • 6/1
  • 2 total stops
  • 9h 40m total
  • Boston to Phoenix
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£19 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 December 2025
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 December 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

Wed 21/1

08:20-12:33

Nonstop6h 13m

Phoenix Sky Harbor Intl

Mon 26/1

18:20-06:05

1 stop9h 45m

£155

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Mon 23/2

12:00-20:10

2 stops10h 10m

Phoenix Sky Harbor Intl

Sat 28/2

06:20-17:05

1 stop8h 45m

£164

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Tue 5/5

08:00-13:21

1 stop8h 21m

Phoenix Sky Harbor Intl

Tue 12/5

14:00-23:54

1 stop6h 54m

£166

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Mon 9/2

17:00-21:03

Nonstop6h 03m

Phoenix Sky Harbor Intl

Sat 14/2

22:29-05:10

Nonstop4h 41m

£170

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 3/1

17:25-21:15

Nonstop5h 50m

Phoenix Sky Harbor Intl

Sun 11/1

23:59-09:09

1 stop7h 10m

£172

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sun 4/1

05:20-11:32

1 stop8h 12m

Phoenix Sky Harbor Intl

Wed 7/1

15:13-23:49

1 stop6h 36m

£174

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Wed 4/2

12:15-21:46

1 stop11h 31m

Phoenix Sky Harbor Intl

Wed 11/2

22:19-05:00

Nonstop4h 41m

£178

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Tue 10/3

11:10-19:16

1 stop11h 06m

Phoenix Sky Harbor Intl

Tue 17/3

06:10-16:25

1 stop7h 15m

£179

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sun 1/3

17:15-21:20

Nonstop6h 05m

Phoenix Sky Harbor Intl

Mon 9/3

22:33-06:20

Nonstop4h 47m

£181

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Fri 6/2

05:50-15:25

2 stops11h 35m

Phoenix Sky Harbor Intl

Mon 9/2

23:40-08:50

1 stop7h 10m

£189

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 24 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 28 November 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 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, January is the cheapest month in which you can book a flight from Boston to Phoenix Sky Harbor Intl Airport (average of £73). Flying from Boston to Phoenix Sky Harbor Intl Airport in May is currently the most expensive (average of £173). 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 December 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 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 9 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 13m. 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 Alaska Airlines (95%), American Airlines (79%) and Air France (75%).

  • 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 £73). Flying from Boston to Phoenix Sky Harbor Intl Airport in May is currently the most expensive (average of £173). 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
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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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