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Cheap flights from Phoenix Sky Harbor Intl Airport to Boston from $84

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 9/18. 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

Spirit Airlines Logo
12:01 pm - 11:57 pmPHX-BOS
8h 56m1 stop
Spirit Airlines Logo
5:50 am - 12:23 pmBOS-PHX
9h 33m1 stop
$169Spirit Airlines
Find Deal
Mon, Sep 8 - Thu, Sep 11
Spirit Airlines Logo
1:27 pm - 10:47 pmPHX-BOS
6h 20m1 stop
Spirit Airlines Logo
5:50 am - 12:23 pmBOS-PHX
9h 33m1 stop
$170Spirit Airlines
Find Deal
Thu, Sep 18 - Thu, Oct 2
Spirit Airlines Logo
1:27 pm - 10:47 pmPHX-BOS
6h 20m1 stop
Spirit Airlines Logo
5:50 am - 12:23 pmBOS-PHX
9h 33m1 stop
$172Spirit Airlines
Find Deal
Thu, Sep 11 - Mon, Sep 15
Spirit Airlines Logo
1:27 pm - 10:47 pmPHX-BOS
6h 20m1 stop
Spirit Airlines Logo
5:50 am - 12:23 pmBOS-PHX
9h 33m1 stop
$179Spirit Airlines
Find Deal
Thu, Sep 4 - Mon, Sep 8
Delta Logo
12:15 pm - 7:17 pmPHX-BOS
5h 02mnonstop
Delta Logo
8:15 am - 12:07 pmBOS-PHX
5h 52mnonstop
$231Delta
Find Deal
Wed, Nov 26 - Tue, Dec 9
Hawaiian Airlines Logo
4:30 pm - 6:25 amPHX-BOS
10h 55m1 stop
Hawaiian Airlines Logo
8:01 am - 3:17 pmBOS-PHX
10h 16m1 stop
$233Hawaiian Airlines
Find Deal
Thu, Sep 25 - Sat, Oct 4
Hawaiian Airlines Logo
6:00 am - 5:55 pmPHX-BOS
8h 55m1 stop
Hawaiian Airlines Logo
7:45 am - 3:30 pmBOS-PHX
10h 45m1 stop
$239Hawaiian Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
Delta Logo
10:35 pm - 6:40 amPHX-BOS
5h 05mnonstop
Delta Logo
6:50 pm - 9:25 pmBOS-PHX
5h 35mnonstop
$241Delta
Find Deal
Sat, Aug 30 - Sat, Sep 6
Alaska Airlines Logo
6:00 am - 5:55 pmPHX-BOS
8h 55m1 stop
Alaska Airlines Logo
7:20 am - 2:58 pmBOS-PHX
10h 38m1 stop
$250Alaska Airlines
Find Deal
Wed, Sep 3 - Wed, Sep 10
Frontier Logo
4:56 pm - 7:52 amPHX-BOS
11h 56m1 stop
Frontier Logo
9:40 am - 4:16 pmBOS-PHX
9h 36m1 stop
$258Frontier
Find Deal
Wed, Aug 13 - Sat, Aug 16

Hawaiian Airlines flights from Phoenix Sky Harbor Intl Airport to Boston

Our best Hawaiian Airlines deals on Phoenix Sky Harbor Intl Airport to Boston flight tickets
Hawaiian Airlines
Sep 25
PHX4:30 pmPhoenix Sky Harbor Intl
10h 55m
1 stop
BOS6:25 amBoston Logan Intl
Oct 4
BOS8:01 amBoston Logan Intl
10h 16m
1 stop
PHX3:17 pmPhoenix Sky Harbor Intl
$233
Find similar
Hawaiian Airlines
Sep 13
PHX6:00 amPhoenix Sky Harbor Intl
8h 55m
1 stop
BOS5:55 pmBoston Logan Intl
Sep 20
BOS7:45 amBoston Logan Intl
10h 45m
1 stop
PHX3:30 pmPhoenix Sky Harbor Intl
$239
Find similar

Delta flights from Phoenix Sky Harbor Intl Airport to Boston

Our best Delta deals on Phoenix Sky Harbor Intl Airport to Boston flight tickets
Delta
Nov 26
PHX12:15 pmPhoenix Sky Harbor Intl
5h 02m
BOS7:17 pmBoston Logan Intl
Dec 9
BOS8:15 amBoston Logan Intl
5h 52m
PHX12:07 pmPhoenix Sky Harbor Intl
$231
Find similar
Delta
Aug 30
PHX10:35 pmPhoenix Sky Harbor Intl
5h 05m
BOS6:40 amBoston Logan Intl
Sep 6
BOS6:50 pmBoston Logan Intl
5h 35m
PHX9:25 pmPhoenix Sky Harbor Intl
$241
Find similar
Delta
Nov 26
PHX12:15 pmPhoenix Sky Harbor Intl
5h 02m
BOS7:17 pmBoston Logan Intl
Dec 8
BOS8:15 amBoston Logan Intl
5h 52m
PHX12:07 pmPhoenix Sky Harbor Intl
$246
Find similar

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 August 1, 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

Mon 9/8

12:01 pm-11:57 pm

1 stop8h 56m

Boston Logan Intl

Thu 9/11

5:50 am-12:23 pm

1 stop9h 33m

$169

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 9/18

1:27 pm-10:47 pm

1 stop6h 20m

Boston Logan Intl

Thu 10/2

5:50 am-12:23 pm

1 stop9h 33m

$170

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 9/11

1:27 pm-10:47 pm

1 stop6h 20m

Boston Logan Intl

Mon 9/15

5:50 am-12:23 pm

1 stop9h 33m

$172

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 9/4

1:27 pm-10:47 pm

1 stop6h 20m

Boston Logan Intl

Mon 9/8

5:50 am-12:23 pm

1 stop9h 33m

$179

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Wed 11/26

12:15 pm-7:17 pm

Nonstop5h 02m

Boston Logan Intl

Tue 12/9

8:15 am-12:07 pm

Nonstop5h 52m

$231

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 9/25

4:30 pm-6:25 am

1 stop10h 55m

Boston Logan Intl

Sat 10/4

8:01 am-3:17 pm

1 stop10h 16m

$233

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Sat 9/13

6:00 am-5:55 pm

1 stop8h 55m

Boston Logan Intl

Sat 9/20

7:45 am-3:30 pm

1 stop10h 45m

$239

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Sat 8/30

10:35 pm-6:40 am

Nonstop5h 05m

Boston Logan Intl

Sat 9/6

6:50 pm-9:25 pm

Nonstop5h 35m

$241

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Wed 9/3

6:00 am-5:55 pm

1 stop8h 55m

Boston Logan Intl

Wed 9/10

7:20 am-2:58 pm

1 stop10h 38m

$250

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Wed 8/13

4:56 pm-7:52 am

1 stop11h 56m

Boston Logan Intl

Sat 8/16

9:40 am-4:16 pm

1 stop9h 36m

$258

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 $245. 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 $290.

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 $336. 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 $483.

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 $318. 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 $481 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 $317 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 $286 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 3% 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 August 2025, prices for Phoenix Sky Harbor Intl Airport to Boston flights are approximately 63% 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

$84

Fastest flight time

4h 46m

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 $84. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to Boston found on momondo in the last 72 hours is $169.
The fastest flight from Phoenix Sky Harbor Intl Airport to Boston takes 4h 46m
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 5h 01m, 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
5.9
3,239 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $113Free CancellationRating
6.3
8,049 reviews
Search Spirit Airlines flights
SouthwestPriceFrom $158Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
JetBluePriceFrom $160Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
DeltaPriceFrom $171Free CancellationRating
8.0
7,981 reviews
Search Delta flights
Alaska AirlinesPriceFrom $228Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $233Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $250Free CancellationRating
7.4
8,900 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 6 times per week, with 7,981 momondo users rating the airline 8.0/10. The cheapest Delta deal from Phoenix Sky Harbor Intl Airport to Boston in the last 72 hours was $171 (round-trip), much lower than the average airfare cost of $299 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 $352. United Airlines operates 6 flights to Boston from Phoenix Sky Harbor Intl Airport in an average week. Users have rated it 7.4/10 across 8,900 reviews.

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Hampton
Old Orchard Beach
York Beach
Plymouth
Kennebunkport
Nashua
Cambridge
Narragansett
Laconia
Brockton
South Yarmouth
Gloucester
Concord
Everett
Wells
Falmouth
Middletown

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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