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Cheap flights from Phoenix to Boston from $128

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 to Boston departing on 2/18. 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 to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
10:25 pm - 5:00 am
PHX
-
BOS
4h 35mnonstop
JetBlue Logo
5:22 pm - 8:22 pm
BOS
-
PHX
6h 00mnonstop
$164JetBlue
Thu, Mar 5 - Thu, Mar 12
Frontier Logo
6:00 am - 1:07 am
PHX
-
BOS
17h 07m
1 stop
Frontier Logo
6:00 am - 12:19 pm
BOS
-
PHX
32h 19m
2 stops
$165Frontier
Sun, Feb 15 - Mon, Feb 23
Frontier Logo
6:00 am - 1:07 am
PHX
-
BOS
17h 07m
1 stop
Frontier Logo
6:00 am - 3:27 pm
BOS
-
PHX
11h 27m
1 stop
$170Frontier
Sun, Feb 15 - Mon, Feb 23
JetBlue Logo
10:25 pm - 5:00 am
PHX
-
BOS
4h 35mnonstop
JetBlue Logo
5:00 pm - 8:59 pm
BOS
-
PHX
5h 59mnonstop
$174JetBlue
Sun, Feb 15 - Mon, Feb 23
JetBlue Logo
10:19 pm - 5:00 am
PHX
-
BOS
4h 41mnonstop
JetBlue Logo
4:50 pm - 8:49 pm
BOS
-
PHX
5h 59mnonstop
$175JetBlue
Sat, Feb 7 - Mon, Feb 9
JetBlue Logo
10:25 pm - 5:00 am
PHX
-
BOS
4h 35mnonstop
JetBlue Logo
5:00 pm - 8:59 pm
BOS
-
PHX
5h 59mnonstop
$177JetBlue
Sat, Feb 14 - Fri, Feb 20
JetBlue Logo
10:25 pm - 5:00 am
PHX
-
BOS
4h 35mnonstop
JetBlue Logo
5:15 pm - 9:20 pm
BOS
-
PHX
6h 05mnonstop
$178JetBlue
Thu, Feb 12 - Fri, Feb 20
Multiple Airlines Logo
10:25 pm - 5:00 am
PHX
-
BOS
4h 35mnonstop
Multiple Airlines Logo
6:00 am - 3:27 pm
BOS
-
PHX
11h 27m
1 stop
$179Multiple Airlines
Sun, Feb 15 - Mon, Feb 23
JetBlue Logo
10:25 pm - 5:00 am
PHX
-
BOS
4h 35mnonstop
JetBlue Logo
5:10 pm - 9:10 pm
BOS
-
PHX
6h 00mnonstop
$182JetBlue
Sat, Feb 14 - Wed, Feb 25
JetBlue Logo
9:41 pm - 5:22 am
PHX
-
BOS
4h 41mnonstop
JetBlue Logo
6:07 pm - 9:09 pm
BOS
-
PHX
6h 02mnonstop
$184JetBlue
Fri, Mar 20 - Mon, Mar 23

JetBlue flights from Phoenix to Boston

Our best JetBlue deals on Phoenix to Boston flight tickets
JetBlue
Mar 5
PHX10:25 pmPhoenix Sky Harbor Intl
4h 35m
BOS5:00 amBoston Logan Intl
Mar 12
BOS5:22 pmBoston Logan Intl
6h 00m
PHX8:22 pmPhoenix Sky Harbor Intl
$164
JetBlue
Feb 15
PHX10:25 pmPhoenix Sky Harbor Intl
4h 35m
BOS5:00 amBoston Logan Intl
Feb 23
BOS5:00 pmBoston Logan Intl
5h 59m
PHX8:59 pmPhoenix Sky Harbor Intl
$174
JetBlue
Feb 7
PHX10:19 pmPhoenix Sky Harbor Intl
4h 41m
BOS5:00 amBoston Logan Intl
Feb 9
BOS4:50 pmBoston Logan Intl
5h 59m
PHX8:49 pmPhoenix Sky Harbor Intl
$175

Frontier flights from Phoenix to Boston

Our best Frontier deals on Phoenix to Boston flight tickets
Frontier
Feb 15
PHX6:00 amPhoenix Sky Harbor Intl
17h 07m
1 stop
BOS1:07 amBoston Logan Intl
Feb 23
BOS6:00 amBoston Logan Intl
32h 19m
2 stops
PHX12:19 pmPhoenix Sky Harbor Intl
$165
Frontier
Feb 15
PHX6:00 amPhoenix Sky Harbor Intl
17h 07m
1 stop
BOS1:07 amBoston Logan Intl
Feb 23
BOS6:00 amBoston Logan Intl
11h 27m
1 stop
PHX3:27 pmPhoenix Sky Harbor Intl
$170
Frontier
Mar 2
PHX6:00 amPhoenix Sky Harbor Intl
17h 13m
1 stop
BOS1:13 amBoston Logan Intl
Mar 5
BOS10:01 amBoston Logan Intl
16h 40m
2 stops
PHX12:41 amPhoenix Sky Harbor Intl
$233

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix 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 January 21, 2026.
Use the filters below to find and compare flights from Phoenix to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 3/5

10:25 pm-5:00 am

Nonstop4h 35m

Boston Logan Intl

Thu 3/12

5:22 pm-8:22 pm

Nonstop6h 00m

$164

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Sun 2/15

6:00 am-1:07 am

1 stop17h 07m

Boston Logan Intl

Mon 2/23

6:00 am-12:19 pm

2 stops32h 19m

$165

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Sun 2/15

6:00 am-1:07 am

1 stop17h 07m

Boston Logan Intl

Mon 2/23

6:00 am-3:27 pm

1 stop11h 27m

$170

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Sun 2/15

10:25 pm-5:00 am

Nonstop4h 35m

Boston Logan Intl

Mon 2/23

5:00 pm-8:59 pm

Nonstop5h 59m

$174

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Sat 2/7

10:19 pm-5:00 am

Nonstop4h 41m

Boston Logan Intl

Mon 2/9

4:50 pm-8:49 pm

Nonstop5h 59m

$175

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Sat 2/14

10:25 pm-5:00 am

Nonstop4h 35m

Boston Logan Intl

Fri 2/20

5:00 pm-8:59 pm

Nonstop5h 59m

$177

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 2/12

10:25 pm-5:00 am

Nonstop4h 35m

Boston Logan Intl

Fri 2/20

5:15 pm-9:20 pm

Nonstop6h 05m

$178

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Sun 2/15

10:25 pm-5:00 am

Nonstop4h 35m

Boston Logan Intl

Mon 2/23

6:00 am-3:27 pm

1 stop11h 27m

$179

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Sat 2/14

10:25 pm-5:00 am

Nonstop4h 35m

Boston Logan Intl

Wed 2/25

5:10 pm-9:10 pm

Nonstop6h 00m

$182

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Fri 3/20

9:41 pm-5:22 am

Nonstop4h 41m

Boston Logan Intl

Mon 3/23

6:07 pm-9:09 pm

Nonstop6h 02m

$184

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 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 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 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 to Boston is on a Tuesday when prices can be found for as low as $364. 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 $474.

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 to Boston in the evening for as low as $324. 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 to Boston Logan Intl flight route?

Fly from Phoenix Sky Harbor Intl to Boston Logan Intl for the best Phoenix - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $324 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Phoenix for as low as $292 on momondo.

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

There are 4 cabin classes available to choose from on Phoenix 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.

Cheap Phoenix to Boston flight deals and tips

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

Fastest flight time

4h 35m

Direct flights

Every day

Airports in Boston

1 airport
The fastest flight from Phoenix to Boston takes 4h 35m
Direct flights go from Phoenix to Boston every day.
There is 1 airport in Boston. From Phoenix there are direct flights to Boston Logan Intl (BOS).
Search flight deals

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

    Boston Logan Intl is 2293.6 mi away from Phoenix. Typically, this will take 4h 35m by plane in normal conditions.

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

    Prices for flights from Phoenix to Boston Logan Intl Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Phoenix to Boston Logan Intl Airport.

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

    The travel and health documents you'll need for your trip to Boston Logan Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boston Logan Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Phoenix to Boston

Compare and see reviews for airlines that fly from Phoenix to Boston with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $71Free CancellationRating
5.7
3,057 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $82Free CancellationRating
6.3
8,364 reviews
Search Spirit Airlines flights
JetBluePriceFrom $123Free CancellationRating
7.2
2,890 reviews
Search JetBlue flights
DeltaPriceFrom $147Free CancellationRating
7.9
8,089 reviews
Search Delta flights
SouthwestPriceFrom $158Free CancellationRating
8.0
4,266 reviews
Search Southwest flights
United AirlinesPriceFrom $180Free CancellationRating
7.4
9,191 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $228Free CancellationRating
8.0
11,775 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $236Free CancellationRating
7.2
11,174 reviews
Search American Airlines flights

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
Falmouth
Nashua
Laconia
Brockton
Sturbridge
Chatham
Concord
Everett

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Phoenix to Boston for you.

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 provides multiple filters to help you find the best flight to Boston from Phoenix. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Phoenix to Boston flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Boston trip

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