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Cheap flights from Phoenix Sky Harbor Intl Airport to Boston from $118

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 1/21. 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
0 bags

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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.
JetBlue Logo
10:19 pm - 5:00 am
PHX
-
BOS
4h 41mnonstop
JetBlue Logo
4:50 pm - 8:49 pm
BOS
-
PHX
5h 59mnonstop
$146JetBlue
Tue, Jan 20 - Mon, Jan 26
Multiple Airlines Logo
10:19 pm - 5:00 am
PHX
-
BOS
4h 41mnonstop
Multiple Airlines Logo
6:00 am - 3:22 pm
BOS
-
PHX
11h 22m1 stop
$149Multiple Airlines
Wed, Jan 28 - Mon, Feb 2
Frontier Logo
6:00 am - 1:13 am
PHX
-
BOS
17h 13m1 stop
Frontier Logo
6:00 am - 3:22 pm
BOS
-
PHX
11h 22m1 stop
$152Frontier
Thu, Jan 29 - Mon, Feb 2
Multiple Airlines Logo
10:19 pm - 5:00 am
PHX
-
BOS
4h 41mnonstop
Multiple Airlines Logo
6:00 am - 3:22 pm
BOS
-
PHX
11h 22m1 stop
$153Multiple Airlines
Thu, Jan 29 - Mon, Feb 2
Frontier Logo
6:00 am - 1:13 am
PHX
-
BOS
17h 13m1 stop
Frontier Logo
6:00 am - 3:22 pm
BOS
-
PHX
11h 22m1 stop
$154Frontier
Thu, Jan 22 - Mon, Jan 26
JetBlue Logo
10:19 pm - 5:00 am
PHX
-
BOS
4h 41mnonstop
JetBlue Logo
4:50 pm - 8:49 pm
BOS
-
PHX
5h 59mnonstop
$155JetBlue
Wed, Jan 14 - Tue, Jan 20
JetBlue Logo
10:19 pm - 5:00 am
PHX
-
BOS
4h 41mnonstop
JetBlue Logo
4:50 pm - 8:49 pm
BOS
-
PHX
5h 59mnonstop
$157JetBlue
Wed, Jan 21 - Wed, Jan 28
JetBlue Logo
10:19 pm - 5:00 am
PHX
-
BOS
4h 41mnonstop
JetBlue Logo
4:50 pm - 8:49 pm
BOS
-
PHX
5h 59mnonstop
$158JetBlue
Sun, Jan 11 - Tue, Jan 20
JetBlue Logo
10:19 pm - 5:00 am
PHX
-
BOS
4h 41mnonstop
JetBlue Logo
4:50 pm - 8:49 pm
BOS
-
PHX
5h 59mnonstop
$160JetBlue
Sun, Jan 25 - Sun, Feb 1
JetBlue Logo
11:59 pm - 6:37 am
PHX
-
BOS
4h 38mnonstop
JetBlue Logo
4:50 pm - 8:49 pm
BOS
-
PHX
5h 59mnonstop
$164JetBlue
Sat, Jan 10 - Tue, Jan 13

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
Jan 20
PHX10:19 pmPhoenix Sky Harbor Intl
4h 41m
BOS5:00 amBoston Logan Intl
Jan 26
BOS4:50 pmBoston Logan Intl
5h 59m
PHX8:49 pmPhoenix Sky Harbor Intl
$146
Find similar
JetBlue
Jan 7
PHX10:19 pmPhoenix Sky Harbor Intl
4h 41m
BOS5:00 amBoston Logan Intl
Jan 13
BOS4:50 pmBoston Logan Intl
5h 59m
PHX8:49 pmPhoenix Sky Harbor Intl
$155
Find similar
JetBlue
Jan 21
PHX10:19 pmPhoenix Sky Harbor Intl
4h 41m
BOS5:00 amBoston Logan Intl
Jan 28
BOS4:50 pmBoston Logan Intl
5h 59m
PHX8:49 pmPhoenix Sky Harbor Intl
$157
Find similar

Frontier flights from Phoenix Sky Harbor Intl Airport to Boston

Our best Frontier deals on Phoenix Sky Harbor Intl Airport to Boston flight tickets
Frontier
Jan 29
PHX6:00 amPhoenix Sky Harbor Intl
17h 13m
1 stop
BOS1:13 amBoston Logan Intl
Feb 2
BOS6:00 amBoston Logan Intl
11h 22m
1 stop
PHX3:22 pmPhoenix Sky Harbor Intl
$152
Find similar
Frontier
Jan 22
PHX6:00 amPhoenix Sky Harbor Intl
17h 13m
1 stop
BOS1:13 amBoston Logan Intl
Jan 29
BOS6:00 amBoston Logan Intl
11h 22m
1 stop
PHX3:22 pmPhoenix Sky Harbor Intl
$171
Find similar
Frontier
Jan 23
PHX6:00 amPhoenix Sky Harbor Intl
17h 13m
1 stop
BOS1:13 amBoston Logan Intl
Jan 26
BOS6:00 amBoston Logan Intl
11h 22m
1 stop
PHX3:22 pmPhoenix Sky Harbor Intl
$191
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 December 26, 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

Tue 1/20

10:19 pm-5:00 am

Nonstop4h 41m

Boston Logan Intl

Mon 1/26

4:50 pm-8:49 pm

Nonstop5h 59m

$146

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Wed 1/28

10:19 pm-5:00 am

Nonstop4h 41m

Boston Logan Intl

Mon 2/2

6:00 am-3:22 pm

1 stop11h 22m

$149

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 1/29

6:00 am-1:13 am

1 stop17h 13m

Boston Logan Intl

Mon 2/2

6:00 am-3:22 pm

1 stop11h 22m

$152

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 1/29

10:19 pm-5:00 am

Nonstop4h 41m

Boston Logan Intl

Mon 2/2

6:00 am-3:22 pm

1 stop11h 22m

$153

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 1/22

6:00 am-1:13 am

1 stop17h 13m

Boston Logan Intl

Mon 1/26

6:00 am-3:22 pm

1 stop11h 22m

$154

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Wed 1/14

10:19 pm-5:00 am

Nonstop4h 41m

Boston Logan Intl

Tue 1/20

4:50 pm-8:49 pm

Nonstop5h 59m

$155

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Wed 1/21

10:19 pm-5:00 am

Nonstop4h 41m

Boston Logan Intl

Wed 1/28

4:50 pm-8:49 pm

Nonstop5h 59m

$157

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Sun 1/11

10:19 pm-5:00 am

Nonstop4h 41m

Boston Logan Intl

Tue 1/20

4:50 pm-8:49 pm

Nonstop5h 59m

$158

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Sun 1/25

10:19 pm-5:00 am

Nonstop4h 41m

Boston Logan Intl

Sun 2/1

4:50 pm-8:49 pm

Nonstop5h 59m

$160

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Sat 1/10

11:59 pm-6:37 am

Nonstop4h 38m

Boston Logan Intl

Tue 1/13

4:50 pm-8:49 pm

Nonstop5h 59m

$164

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 $232. 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 $278.

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 Tuesday when prices can be found for as low as $363. 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 $469.

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 $327. 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 $461 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 $327 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 $297 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 5% 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 December 2025, prices for Phoenix Sky Harbor Intl Airport to Boston flights are approximately 0% 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

$168

Fastest flight time

4h 35m

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 $168. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to Boston found on momondo in the last 72 hours is $235.
The fastest flight from Phoenix Sky Harbor Intl Airport to Boston takes 4h 35m
Direct flights go from Phoenix Sky Harbor Intl Airport to Boston every day.
There is 1 airport in Boston. From Phoenix Sky Harbor Intl Airport there are direct flights to 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 35m, 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 $81Free CancellationRating
5.8
3,071 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $90Free CancellationRating
6.3
8,212 reviews
Search Spirit Airlines flights
JetBluePriceFrom $136Free CancellationRating
7.2
2,900 reviews
Search JetBlue flights
SouthwestPriceFrom $158Free CancellationRating
8.0
4,258 reviews
Search Southwest flights
DeltaPriceFrom $188Free CancellationRating
7.9
8,018 reviews
Search Delta flights
United AirlinesPriceFrom $220Free CancellationRating
7.4
9,116 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $228Free CancellationRating
8.0
11,543 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $237Free CancellationRating
7.2
11,068 reviews
Search American Airlines flights

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

    Alaska Airlines flies from Phoenix Sky Harbor Intl Airport to Boston around 7 times per week, with 11,543 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from Phoenix Sky Harbor Intl Airport to Boston in the last 72 hours was $228 (round-trip), much lower than the average airfare cost of $302 for Alaska Airlines flights on this route.

  • Delta Flights From Phoenix Sky Harbor Intl Airport to Boston

    Delta is also a popular choice for this route. Delta flight deals for Phoenix Sky Harbor Intl Airport to Boston start from as low as $188 round-trip, depending on your selected dates, with average Delta deals seen on momondo around $306. Delta operates 12 flights to Boston from Phoenix Sky Harbor Intl Airport in an average week. Users have rated it 7.9/10 across 8,018 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
South Yarmouth
Cambridge
Narragansett
Gloucester
Nashua
Falmouth
Laconia
Brockton
Concord
Sturbridge
Everett
Warwick

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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