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Cheap flights from Phoenix Sky Harbor Intl Airport to Boston from $125

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 11/23. 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

Enter your travel dates to find the best prices.
Southwest Logo
1:30 pm - 9:40 pmPHX-BOS
6h 10m1 stop
Southwest Logo
1:30 pm - 7:35 pmBOS-PHX
8h 05m1 stop
$209Southwest
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jeu., déc. 4 - dim., déc. 7
Delta Logo
1:45 pm - 8:32 pmPHX-BOS
4h 47mnonstop
Delta Logo
8:20 am - 12:35 pmBOS-PHX
6h 15mnonstop
$212Delta
Find Deal
mer., janv. 7 - dim., janv. 11
Southwest Logo
1:30 pm - 9:40 pmPHX-BOS
6h 10m1 stop
Southwest Logo
1:45 pm - 8:50 pmBOS-PHX
9h 05m2 stops
$214Southwest
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jeu., déc. 4 - ven., déc. 12
JetBlue Logo
10:20 pm - 5:01 amPHX-BOS
4h 41mnonstop
JetBlue Logo
1:40 pm - 10:09 amBOS-PHX
22h 29m1 stop
$221JetBlue
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jeu., déc. 4 - dim., déc. 7
Frontier Logo
5:50 pm - 9:42 amPHX-BOS
37h 52m2 stops
Frontier Logo
6:00 am - 3:13 pmBOS-PHX
11h 13m1 stop
$223Frontier
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sam., déc. 20 - dim., janv. 11
Frontier Logo
8:00 am - 9:12 amPHX-BOS
23h 12m2 stops
Frontier Logo
11:09 am - 12:31 amBOS-PHX
15h 22m1 stop
$226Frontier
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mer., nov. 19 - dim., nov. 23
JetBlue Logo
10:28 pm - 5:06 amPHX-BOS
4h 38mnonstop
JetBlue Logo
5:12 pm - 9:13 pmBOS-PHX
6h 01mnonstop
$238JetBlue
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dim., déc. 21 - jeu., janv. 1
United Airlines Logo
10:10 am - 8:00 pmPHX-BOS
7h 50m1 stop
United Airlines Logo
11:55 am - 5:51 pmBOS-PHX
7h 56m1 stop
$242United Airlines
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ven., déc. 5 - lun., déc. 8
American Airlines Logo
4:45 pm - 11:35 pmPHX-BOS
4h 50mnonstop
American Airlines Logo
6:05 am - 10:17 amBOS-PHX
6h 12mnonstop
$262American Airlines
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mer., nov. 19 - dim., nov. 23
American Airlines Logo
4:45 pm - 11:35 pmPHX-BOS
4h 50mnonstop
American Airlines Logo
4:52 pm - 8:55 pmBOS-PHX
6h 03mnonstop
$263American Airlines
Find Deal
mer., nov. 19 - dim., nov. 23

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
Nov 19
PHX7:00 amPhoenix Sky Harbor Intl
24h 12m
1 stop
BOS9:12 amBoston Logan Intl
Nov 23
BOS11:09 amBoston Logan Intl
23h 10m
2 stops
PHX8:19 amPhoenix Sky Harbor Intl
$212
Find similar
Frontier
Dec 20
PHX5:50 pmPhoenix Sky Harbor Intl
37h 52m
2 stops
BOS9:42 amBoston Logan Intl
Jan 11
BOS6:00 amBoston Logan Intl
11h 13m
1 stop
PHX3:13 pmPhoenix Sky Harbor Intl
$223
Find similar
Frontier
Nov 19
PHX8:00 amPhoenix Sky Harbor Intl
23h 12m
2 stops
BOS9:12 amBoston Logan Intl
Nov 23
BOS11:09 amBoston Logan Intl
15h 22m
1 stop
PHX12:31 amPhoenix Sky Harbor Intl
$226
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
Jan 7
PHX1:45 pmPhoenix Sky Harbor Intl
4h 47m
BOS8:32 pmBoston Logan Intl
Jan 11
BOS8:20 amBoston Logan Intl
6h 15m
PHX12:35 pmPhoenix Sky Harbor Intl
$212
Find similar
Delta
Dec 3
PHX11:43 amPhoenix Sky Harbor Intl
7h 43m
1 stop
BOS9:26 pmBoston Logan Intl
Dec 8
BOS3:39 pmBoston Logan Intl
9h 10m
1 stop
PHX10:49 pmPhoenix Sky Harbor Intl
$217
Find similar
Delta
Dec 13
PHX1:06 pmPhoenix Sky Harbor Intl
4h 59m
BOS8:05 pmBoston Logan Intl
Jan 3
BOS5:25 pmBoston Logan Intl
5h 50m
PHX9:15 pmPhoenix Sky Harbor Intl
$219
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 novembre 6, 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

jeu. 12/4

1:30 pm-9:40 pm

1 stop6h 10m

Boston Logan Intl

dim. 12/7

1:30 pm-7:35 pm

1 stop8h 05m

$209

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

mer. 1/7

1:45 pm-8:32 pm

Nonstop4h 47m

Boston Logan Intl

dim. 1/11

8:20 am-12:35 pm

Nonstop6h 15m

$212

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

jeu. 12/4

1:30 pm-9:40 pm

1 stop6h 10m

Boston Logan Intl

ven. 12/12

1:45 pm-8:50 pm

2 stops9h 05m

$214

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

jeu. 12/4

10:20 pm-5:01 am

Nonstop4h 41m

Boston Logan Intl

dim. 12/7

1:40 pm-10:09 am

1 stop22h 29m

$221

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

sam. 12/20

5:50 pm-9:42 am

2 stops37h 52m

Boston Logan Intl

dim. 1/11

6:00 am-3:13 pm

1 stop11h 13m

$223

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

mer. 11/19

8:00 am-9:12 am

2 stops23h 12m

Boston Logan Intl

dim. 11/23

11:09 am-12:31 am

1 stop15h 22m

$226

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

dim. 12/21

10:28 pm-5:06 am

Nonstop4h 38m

Boston Logan Intl

jeu. 1/1

5:12 pm-9:13 pm

Nonstop6h 01m

$238

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

ven. 12/5

10:10 am-8:00 pm

1 stop7h 50m

Boston Logan Intl

lun. 12/8

11:55 am-5:51 pm

1 stop7h 56m

$242

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

mer. 11/19

4:45 pm-11:35 pm

Nonstop4h 50m

Boston Logan Intl

dim. 11/23

6:05 am-10:17 am

Nonstop6h 12m

$262

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

mer. 11/19

4:45 pm-11:35 pm

Nonstop4h 50m

Boston Logan Intl

dim. 11/23

4:52 pm-8:55 pm

Nonstop6h 03m

$263

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 $239. 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 Tuesday when prices can be found for as low as $360. 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 $509.

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 $470 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 $289 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 November 2025, prices for Phoenix Sky Harbor Intl Airport to Boston flights are approximately 15% 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

$160

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 $160. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to Boston found on momondo in the last 72 hours is $246.
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
3,116 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $93Free CancellationRating
6.3
8,114 reviews
Search Spirit Airlines flights
SouthwestPriceFrom $158Free CancellationRating
8.0
4,240 reviews
Search Southwest flights
JetBluePriceFrom $160Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
DeltaPriceFrom $185Free CancellationRating
7.9
8,004 reviews
Search Delta flights
Alaska AirlinesPriceFrom $228Free CancellationRating
8.0
11,241 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $237Free CancellationRating
7.2
11,041 reviews
Search American Airlines flights
United AirlinesPriceFrom $250Free CancellationRating
7.4
9,003 reviews
Search United 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 2 times per week, with 11,241 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 $185 round-trip, depending on your selected dates, with average Delta deals seen on momondo around $310. Delta operates 4 flights to Boston from Phoenix Sky Harbor Intl Airport in an average week. Users have rated it 7.9/10 across 8,001 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
Falmouth
Laconia
Brockton
Concord
Everett
Sturbridge
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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