Cheap flights from Phoenix Sky Harbor Intl Airport to Boston from $161

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix Sky Harbor Intl Airport to Boston departing on 7/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
11:30 am - 12:25 am
PHX
-
BOS
9h 55m
1 stop
Southwest Logo
4:30 pm - 9:55 pm
BOS
-
PHX
8h 25m
1 stop
$295Southwest
Sat, Aug 22 - Mon, Aug 24
Multiple Airlines Logo
11:06 pm - 11:26 am
PHX
-
BOS
9h 20m
1 stop
Multiple Airlines Logo
10:04 am - 10:30 am
BOS
-
PHX
27h 26m
1 stop
$296Multiple Airlines
Wed, Jul 22 - Wed, Jul 29
JetBlue Logo
11:06 pm - 11:21 am
PHX
-
BOS
9h 15m
1 stop
JetBlue Logo
2:45 pm - 9:43 pm
BOS
-
PHX
9h 58m
1 stop
$297JetBlue
Thu, Aug 20 - Tue, Aug 25
JetBlue Logo
11:06 pm - 11:33 am
PHX
-
BOS
9h 27m
1 stop
JetBlue Logo
5:10 pm - 9:59 pm
BOS
-
PHX
7h 49m
1 stop
$298JetBlue
Tue, Jul 21 - Mon, Aug 3
Southwest Logo
11:30 am - 12:25 am
PHX
-
BOS
9h 55m
1 stop
Southwest Logo
5:40 am - 12:20 pm
BOS
-
PHX
9h 40m
2 stops
$300Southwest
Sat, Aug 22 - Mon, Aug 24
Multiple Airlines Logo
11:03 pm - 10:58 am
PHX
-
BOS
8h 55m
1 stop
Multiple Airlines Logo
10:04 am - 10:30 am
BOS
-
PHX
27h 26m
1 stop
$301Multiple Airlines
Sat, Jul 4 - Wed, Jul 8
JetBlue Logo
11:06 pm - 11:33 am
PHX
-
BOS
9h 27m
1 stop
JetBlue Logo
2:45 pm - 9:45 pm
BOS
-
PHX
10h 00m
1 stop
$302JetBlue
Mon, Jul 6 - Tue, Jul 7
Multiple Airlines Logo
12:13 pm - 5:49 am
PHX
-
BOS
14h 36m
1 stop
Multiple Airlines Logo
2:45 pm - 9:58 pm
BOS
-
PHX
10h 13m
1 stop
$303Multiple Airlines
Thu, Aug 27 - Sun, Aug 30
Southwest Logo
1:30 pm - 12:25 am
PHX
-
BOS
7h 55m
1 stop
Southwest Logo
2:45 pm - 9:15 pm
BOS
-
PHX
9h 30m
2 stops
$304Southwest
Tue, Aug 11 - Tue, Aug 18
Multiple Airlines Logo
11:06 pm - 11:33 am
PHX
-
BOS
9h 27m
1 stop
Multiple Airlines Logo
10:04 am - 10:30 am
BOS
-
PHX
27h 26m
1 stop
$306Multiple Airlines
Mon, Jul 6 - Wed, Jul 8

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Southwest flights from Phoenix Sky Harbor Intl Airport to Boston

Our best Southwest deals on Phoenix Sky Harbor Intl Airport to Boston flight tickets
Southwest
Aug 22
PHX11:30 amPhoenix Sky Harbor Intl
9h 55m
1 stop
BOS12:25 amBoston Logan Intl
Aug 24
BOS4:30 pmBoston Logan Intl
8h 25m
1 stop
PHX9:55 pmPhoenix Sky Harbor Intl
$295
Southwest
Aug 22
PHX11:30 amPhoenix Sky Harbor Intl
9h 55m
1 stop
BOS12:25 amBoston Logan Intl
Aug 24
BOS5:40 amBoston Logan Intl
9h 40m
2 stops
PHX12:20 pmPhoenix Sky Harbor Intl
$300
Southwest
Aug 11
PHX1:30 pmPhoenix Sky Harbor Intl
7h 55m
1 stop
BOS12:25 amBoston Logan Intl
Aug 18
BOS2:45 pmBoston Logan Intl
9h 30m
2 stops
PHX9:15 pmPhoenix Sky Harbor Intl
$304

JetBlue flights from Phoenix Sky Harbor Intl Airport to Boston

Our best JetBlue deals on Phoenix Sky Harbor Intl Airport to Boston flight tickets
JetBlue
Aug 20
PHX11:06 pmPhoenix Sky Harbor Intl
9h 15m
1 stop
BOS11:21 amBoston Logan Intl
Aug 25
BOS2:45 pmBoston Logan Intl
9h 58m
1 stop
PHX9:43 pmPhoenix Sky Harbor Intl
$297
JetBlue
Jul 21
PHX11:06 pmPhoenix Sky Harbor Intl
9h 27m
1 stop
BOS11:33 amBoston Logan Intl
Aug 3
BOS5:10 pmBoston Logan Intl
7h 49m
1 stop
PHX9:59 pmPhoenix Sky Harbor Intl
$298
JetBlue
Jul 6
PHX11:06 pmPhoenix Sky Harbor Intl
9h 27m
1 stop
BOS11:33 amBoston Logan Intl
Jul 7
BOS2:45 pmBoston Logan Intl
10h 00m
1 stop
PHX9:45 pmPhoenix Sky Harbor Intl
$302

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix Sky Harbor Intl Airport to Boston 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, momondo users made 832,500 searches. Data last updated June 9, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Sat 8/22

11:30 am-12:25 am

1 stop9h 55m

Boston Logan Intl

Mon 8/24

4:30 pm-9:55 pm

1 stop8h 25m

$295

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Wed 7/22

11:06 pm-11:26 am

1 stop9h 20m

Boston Logan Intl

Wed 7/29

10:04 am-10:30 am

1 stop27h 26m

$296

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 8/20

11:06 pm-11:21 am

1 stop9h 15m

Boston Logan Intl

Tue 8/25

2:45 pm-9:43 pm

1 stop9h 58m

$297
Quickest round-trip

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Tue 7/21

11:06 pm-11:33 am

1 stop9h 27m

Boston Logan Intl

Mon 8/3

5:10 pm-9:59 pm

1 stop7h 49m

$298

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Sat 8/22

11:30 am-12:25 am

1 stop9h 55m

Boston Logan Intl

Mon 8/24

5:40 am-12:20 pm

2 stops9h 40m

$300

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Sat 7/4

11:03 pm-10:58 am

1 stop8h 55m

Boston Logan Intl

Wed 7/8

10:04 am-10:30 am

1 stop27h 26m

$301

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Mon 7/6

11:06 pm-11:33 am

1 stop9h 27m

Boston Logan Intl

Tue 7/7

2:45 pm-9:45 pm

1 stop10h 00m

$302

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 8/27

12:13 pm-5:49 am

1 stop14h 36m

Boston Logan Intl

Sun 8/30

2:45 pm-9:58 pm

1 stop10h 13m

$303

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Tue 8/11

1:30 pm-12:25 am

1 stop7h 55m

Boston Logan Intl

Tue 8/18

2:45 pm-9:15 pm

2 stops9h 30m

$304

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Mon 7/6

11:06 pm-11:33 am

1 stop9h 27m

Boston Logan Intl

Wed 7/8

10:04 am-10:30 am

1 stop27h 26m

$306

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Boston from

How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport to Boston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Phoenix Sky Harbor Intl Airport and Boston?

What is the cheapest month to fly to Boston?

In general, January is the cheapest month to fly from Phoenix Sky Harbor Intl Airport to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $235. If you aren’t able to travel during the month of January, then book flights to Boston from Phoenix Sky Harbor Intl Airport during February instead. Flights to Boston in February, while not as cheap as those in January, still average around $267.

What is the cheapest day to depart on your flight to Boston?

The cheapest day to depart from Phoenix Sky Harbor Intl Airport to Boston is on a Wednesday when prices can be found for as low as $367. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $454.

What is the cheapest time of day to depart on your flight to Boston?

According to our data, the cheapest time of day to fly to Boston is in the evening. momondo users have found flights departing from Phoenix Sky Harbor Intl Airport to Boston in the evening for as low as $335. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Boston, so prices are often more expensive at around $498 per ticket.

What is the cheapest Phoenix Sky Harbor Intl to Boston Logan Intl flight route?

Fly from Phoenix Sky Harbor Intl to Boston Logan Intl for the best Phoenix Sky Harbor Intl - Boston Logan Intl flight prices

How far in advance should I book a flight from Phoenix Sky Harbor Intl Airport to Boston?

You are more likely to see cheaper flights to Boston from Phoenix Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $333 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Phoenix Sky Harbor Intl Airport for as low as $310 on momondo.

What cabin class options are available on Phoenix Sky Harbor Intl Airport to Boston flights?

There are 4 cabin classes available to choose from on Phoenix Sky Harbor Intl Airport to Boston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Phoenix Sky Harbor Intl Airport to Boston flights?

You could potentially save up to 27% on your flight if you consider stops on a Phoenix Sky Harbor Intl Airport to Boston flight.

How have Phoenix Sky Harbor Intl Airport to Boston flight prices changed over time?

As of June 2026, prices for Phoenix Sky Harbor Intl Airport to Boston flights are approximately 2% more expensive when compared to flights at the same time last year.

When to book flights from Phoenix Sky Harbor Intl Airport to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from Phoenix Sky Harbor Intl Airport to Boston according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Phoenix Sky Harbor Intl Airport to Boston (PHX to BOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to Boston

Best Price Found

$211

Fastest flight time

4h 38m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

Airports in Boston

1 airport
The best one-way flight to Boston from Phoenix Sky Harbor Intl Airport in the past 72 hours is $211. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to Boston found on momondo in the last 72 hours is $373.
The fastest flight from Phoenix Sky Harbor Intl Airport to Boston takes 4h 38m
Direct flights go from Phoenix Sky Harbor Intl Airport to Boston on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. The only airline offering direct flights is Delta.
There is 1 airport in Boston. From Phoenix Sky Harbor Intl Airport there are direct flights to Boston Logan Intl (BOS).

Frequently asked questions about flying from Phoenix Sky Harbor Intl Airport to Boston

  • How far is Phoenix Sky Harbor Intl to Boston Logan Intl by plane?

    The straight-line distance from Phoenix Sky Harbor Intl to Boston Logan Intl is 2290.1 mi. Flights usually cover this in 4h 38m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Boston Logan Intl Airport?

    Prices for flights from Phoenix Sky Harbor Intl Airport to Boston Logan Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Boston Logan Intl Airport?

  • How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Boston Logan Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Phoenix Sky Harbor Intl Airport to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The necessary travel and health documents for your Boston Logan Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Phoenix Sky Harbor Intl Airport to Boston?

  • What is the most popular airline from Phoenix Sky Harbor Intl Airport to Boston?

Best airlines flying from Phoenix Sky Harbor Intl Airport to Boston

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Boston with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $70Free CancellationRating
5.6
2,902 reviews
Search Frontier flights
JetBluePriceFrom $116Free CancellationRating
7.1
2,980 reviews
Search JetBlue flights
DeltaPriceFrom $148Free CancellationRating
7.9
8,394 reviews
Search Delta flights
SouthwestPriceFrom $158Free CancellationRating
7.9
4,240 reviews
Search Southwest flights
United AirlinesPriceFrom $221Free CancellationRating
7.4
9,796 reviews
Search United Airlines flights
American AirlinesPriceFrom $236Free CancellationRating
7.1
11,641 reviews
Search American Airlines flights
  • Delta Flights From Phoenix Sky Harbor Intl Airport to Boston

    Delta flies from Phoenix Sky Harbor Intl Airport to Boston around 3 times per week, with 8,394 momondo users rating the airline 7.9/10. The cheapest Delta deal from Phoenix Sky Harbor Intl Airport to Boston in the last 72 hours was $148 (round-trip), much lower than the average airfare cost of $340 for Delta flights on this route.

  • United Airlines Flights From Phoenix Sky Harbor Intl Airport to Boston

    United Airlines is also a popular choice for this route. United Airlines flight deals for Phoenix Sky Harbor Intl Airport to Boston start from as low as $221 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $328. United Airlines operates 7 flights to Boston from Phoenix Sky Harbor Intl Airport in an average week. Users have rated it 7.4/10 across 9,800 reviews.

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Old Orchard Beach
Hampton
York Beach
Kennebunkport
Cambridge
Plymouth
South Yarmouth
Gloucester
Narragansett
Revere
Brockton
Warwick
Falmouth
Chatham
Laconia
Sturbridge
Dennis Port

Why use momondo?

Why should I use momondo to find a flight deal from Phoenix to Boston?

Finding the right flight to Boston from Phoenix is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Boston quick and easy, saving you time and money.

Can I find flights from Phoenix to Boston with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Phoenix to Boston flights to just show those with flexible booking policies.

How can momondo help me find flights from Phoenix to Boston?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Phoenix to Boston.

I’m not ready to book a flight from Phoenix to Boston right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Phoenix to Boston flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Thu 7/9
Thu 7/16

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