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Cheap flights from Phoenix Sky Harbor Intl Airport to Boston from $126

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 3/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Boston

Cheap round-trip flights

Frontier Logo
11:30 am - 7:52 amPHX-BOS
17h 22m2 stops
Frontier Logo
12:20 pm - 9:44 pmBOS-PHX
11h 24m2 stops
$211Frontier
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Thu, Oct 30 - Mon, Nov 3
Frontier Logo
6:11 pm - 10:00 amPHX-BOS
12h 49m2 stops
Frontier Logo
12:20 pm - 9:44 pmBOS-PHX
11h 24m2 stops
$212Frontier
Find Deal
Sat, Nov 1 - Mon, Nov 3
Spirit Airlines Logo
1:45 pm - 11:25 pmPHX-BOS
7h 40m1 stop
Spirit Airlines Logo
5:45 am - 3:02 pmBOS-PHX
11h 17m1 stop
$214Spirit Airlines
Find Deal
Thu, Nov 6 - Sun, Nov 9
Spirit Airlines Logo
10:58 am - 11:59 pmPHX-BOS
10h 01m1 stop
Spirit Airlines Logo
6:17 am - 11:13 amBOS-PHX
7h 56m1 stop
$215Spirit Airlines
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Thu, Oct 23 - Mon, Oct 27
Delta Logo
12:10 pm - 8:06 pmPHX-BOS
4h 56mnonstop
Delta Logo
8:10 am - 10:51 amBOS-PHX
5h 41mnonstop
$227Delta
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Wed, Oct 22 - Tue, Oct 28
American Airlines Logo
3:59 pm - 11:58 pmPHX-BOS
4h 59mnonstop
American Airlines Logo
6:05 am - 10:17 amBOS-PHX
6h 12mnonstop
$231American Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 5
Delta Logo
1:07 pm - 7:50 pmPHX-BOS
4h 43mnonstop
Delta Logo
8:00 am - 11:57 amBOS-PHX
5h 57mnonstop
$232Delta
Find Deal
Wed, Nov 12 - Sun, Nov 16
JetBlue Logo
10:10 pm - 4:51 amPHX-BOS
4h 41mnonstop
JetBlue Logo
4:54 pm - 8:49 pmBOS-PHX
5h 55mnonstop
$237JetBlue
Find Deal
Fri, Nov 7 - Mon, Nov 10
JetBlue Logo
10:28 pm - 5:06 amPHX-BOS
4h 38mnonstop
JetBlue Logo
5:00 pm - 9:03 pmBOS-PHX
6h 03mnonstop
$241JetBlue
Find Deal
Wed, Dec 24 - Tue, Jan 6
American Airlines Logo
9:30 am - 4:18 pmPHX-BOS
4h 48mnonstop
American Airlines Logo
4:52 pm - 8:55 pmBOS-PHX
6h 03mnonstop
$245American Airlines
Find Deal
Wed, Nov 5 - Thu, Nov 13

Alaska Airlines flights from Phoenix Sky Harbor Intl Airport to Boston

Our best Alaska Airlines deals on Phoenix Sky Harbor Intl Airport to Boston flight tickets
Alaska Airlines
Nov 5
PHX8:00 amPhoenix Sky Harbor Intl
14h 20m
1 stop
BOS12:20 amBoston Logan Intl
Nov 12
BOS4:24 pmBoston Logan Intl
18h 57m
1 stop
PHX9:21 amPhoenix Sky Harbor Intl
$246
Find similar
Alaska Airlines
Dec 24
PHX6:56 pmPhoenix Sky Harbor Intl
9h 14m
1 stop
BOS6:10 amBoston Logan Intl
Jan 6
BOS4:45 pmBoston Logan Intl
9h 08m
1 stop
PHX11:53 pmPhoenix Sky Harbor Intl
$260
Find similar

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
Nov 7
PHX10:10 pmPhoenix Sky Harbor Intl
4h 41m
BOS4:51 amBoston Logan Intl
Nov 10
BOS4:54 pmBoston Logan Intl
5h 55m
PHX8:49 pmPhoenix Sky Harbor Intl
$237
Find similar
JetBlue
Dec 24
PHX10:28 pmPhoenix Sky Harbor Intl
4h 38m
BOS5:06 amBoston Logan Intl
Jan 6
BOS5:00 pmBoston Logan Intl
6h 03m
PHX9:03 pmPhoenix Sky Harbor Intl
$241
Find similar
JetBlue
Dec 24
PHX10:28 pmPhoenix Sky Harbor Intl
4h 38m
BOS5:06 amBoston Logan Intl
Jan 3
BOS5:12 pmBoston Logan Intl
6h 01m
PHX9:13 pmPhoenix Sky Harbor Intl
$256
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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 September 25, 2025.
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

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 10/30

11:30 am-7:52 am

2 stops17h 22m

Boston Logan Intl

Mon 11/3

12:20 pm-9:44 pm

2 stops11h 24m

$211

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Sat 11/1

6:11 pm-10:00 am

2 stops12h 49m

Boston Logan Intl

Mon 11/3

12:20 pm-9:44 pm

2 stops11h 24m

$212

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 11/6

1:45 pm-11:25 pm

1 stop7h 40m

Boston Logan Intl

Sun 11/9

5:45 am-3:02 pm

1 stop11h 17m

$214

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 10/23

10:58 am-11:59 pm

1 stop10h 01m

Boston Logan Intl

Mon 10/27

6:17 am-11:13 am

1 stop7h 56m

$215

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Wed 10/22

12:10 pm-8:06 pm

Nonstop4h 56m

Boston Logan Intl

Tue 10/28

8:10 am-10:51 am

Nonstop5h 41m

$227

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Wed 10/29

3:59 pm-11:58 pm

Nonstop4h 59m

Boston Logan Intl

Wed 11/5

6:05 am-10:17 am

Nonstop6h 12m

$231

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Wed 11/12

1:07 pm-7:50 pm

Nonstop4h 43m

Boston Logan Intl

Sun 11/16

8:00 am-11:57 am

Nonstop5h 57m

$232

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Fri 11/7

10:10 pm-4:51 am

Nonstop4h 41m

Boston Logan Intl

Mon 11/10

4:54 pm-8:49 pm

Nonstop5h 55m

$237

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Wed 12/24

10:28 pm-5:06 am

Nonstop4h 38m

Boston Logan Intl

Tue 1/6

5:00 pm-9:03 pm

Nonstop6h 03m

$241

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Wed 11/5

9:30 am-4:18 pm

Nonstop4h 48m

Boston Logan Intl

Thu 11/13

4:52 pm-8:55 pm

Nonstop6h 03m

$245

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 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 $246. 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 $285.

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 $352. 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 $515.

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 $332. 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 $475 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 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 $328 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 $293 on momondo.

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

There are 4 cabin classes available to choose from on Phoenix Sky Harbor Intl to Boston Logan Intl 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 18% 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 September 2025, prices for Phoenix Sky Harbor Intl Airport to Boston flights are approximately 71% 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

$180

Fastest flight time

4h 38m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from Phoenix Sky Harbor Intl Airport in the past 72 hours is $180. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to Boston found on momondo in the last 72 hours is $262.
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 every day.
There is 1 airport near Boston: Boston Logan Intl (BOS)
Search flight deals

  • 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 $84Free CancellationRating
5.8
3,162 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $93Free CancellationRating
6.3
8,045 reviews
Search Spirit Airlines flights
JetBluePriceFrom $155Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
SouthwestPriceFrom $158Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
DeltaPriceFrom $181Free CancellationRating
7.9
7,973 reviews
Search Delta flights
Alaska AirlinesPriceFrom $228Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $237Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $250Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights

  • Delta Flights From Phoenix Sky Harbor Intl Airport to Boston

    Delta flies from Phoenix Sky Harbor Intl Airport to Boston around 8 times per week, with 7,973 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 $181 (round-trip), much lower than the average airfare cost of $309 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 $250 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $351. United Airlines operates 4 flights to Boston from Phoenix Sky Harbor Intl Airport in an average week. Users have rated it 7.4/10 across 8,928 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
Plymouth
Kennebunkport
Cambridge
South Yarmouth
Narragansett
Nashua
Gloucester
Brockton
Laconia
Falmouth
Concord
Everett
Wells
Chatham

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.

An easier way to manage your Boston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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