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Cheap flights from Phoenix to Boston from $78

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 9/11. 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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Cheap round-trip flights

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
$169Spirit Airlines
Find Deal
Mon, Sep 8 - 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
$170Spirit Airlines
Find Deal
Mon, Sep 15 - Thu, Sep 25
Logo
5:04 pm - 7:52 amPHX-BOS
11h 48m1 stop
Logo
5:50 am - 12:23 pmBOS-PHX
9h 33m1 stop
$183
Find Deal
Thu, Sep 4 - Sun, Sep 7
Logo
1:27 pm - 10:47 pmPHX-BOS
6h 20m1 stop
Logo
7:45 am - 3:30 pmBOS-PHX
10h 45m1 stop
$200
Find Deal
Thu, Sep 11 - Tue, Sep 16
Frontier Logo
5:04 pm - 7:52 amPHX-BOS
11h 48m1 stop
Frontier Logo
8:38 am - 9:53 pmBOS-PHX
16h 15m2 stops
$201Frontier
Find Deal
Thu, Sep 4 - Sat, Sep 6
Delta Logo
10:35 pm - 6:41 amPHX-BOS
5h 06mnonstop
Delta Logo
5:40 pm - 8:13 pmBOS-PHX
5h 33mnonstop
$207Delta
Find Deal
Tue, Sep 2 - Tue, Sep 16
Frontier Logo
4:59 pm - 7:52 amPHX-BOS
11h 53m1 stop
Frontier Logo
12:57 pm - 10:49 pmBOS-PHX
12h 52m1 stop
$215Frontier
Find Deal
Sun, Aug 24 - Thu, Aug 28
Delta Logo
10:35 pm - 6:41 amPHX-BOS
5h 06mnonstop
Delta Logo
4:35 pm - 9:57 pmBOS-PHX
8h 22m1 stop
$217Delta
Find Deal
Tue, Sep 2 - Tue, Sep 16
American Airlines Logo
1:22 pm - 9:25 pmPHX-BOS
5h 03mnonstop
American Airlines Logo
6:00 am - 8:57 amBOS-PHX
5h 57mnonstop
$228American Airlines
Find Deal
Sat, Oct 25 - Wed, Oct 29
American Airlines Logo
3:59 pm - 11:58 pmPHX-BOS
4h 59mnonstop
American Airlines Logo
6:00 am - 8:57 amBOS-PHX
5h 57mnonstop
$229American Airlines
Find Deal
Tue, Oct 28 - Fri, Oct 31

Spirit Airlines flights from Phoenix to Boston

Our best Spirit Airlines deals on Phoenix to Boston flight tickets
Spirit Airlines
Sep 8
PHX1:27 pmPhoenix Sky Harbor Intl
6h 20m
1 stop
BOS10:47 pmBoston Logan Intl
Sep 15
BOS5:50 amBoston Logan Intl
9h 33m
1 stop
PHX12:23 pmPhoenix Sky Harbor Intl
$169
Find similar
Spirit Airlines
Sep 15
PHX1:27 pmPhoenix Sky Harbor Intl
6h 20m
1 stop
BOS10:47 pmBoston Logan Intl
Sep 25
BOS5:50 amBoston Logan Intl
9h 33m
1 stop
PHX12:23 pmPhoenix Sky Harbor Intl
$170
Find similar
Spirit Airlines
Sep 15
PHX1:27 pmPhoenix Sky Harbor Intl
6h 20m
1 stop
BOS10:47 pmBoston Logan Intl
Sep 18
BOS5:50 amBoston Logan Intl
9h 33m
1 stop
PHX12:23 pmPhoenix Sky Harbor Intl
$172
Find similar

Delta flights from Phoenix to Boston

Our best Delta deals on Phoenix to Boston flight tickets
Delta
Sep 2
PHX10:35 pmPhoenix Sky Harbor Intl
5h 06m
BOS6:41 amBoston Logan Intl
Sep 16
BOS5:40 pmBoston Logan Intl
5h 33m
PHX8:13 pmPhoenix Sky Harbor Intl
$207
Find similar
Delta
Sep 2
PHX10:35 pmPhoenix Sky Harbor Intl
5h 06m
BOS6:41 amBoston Logan Intl
Sep 16
BOS4:35 pmBoston Logan Intl
8h 22m
1 stop
PHX9:57 pmPhoenix Sky Harbor Intl
$217
Find similar
Delta
Sep 3
PHX10:35 pmPhoenix Sky Harbor Intl
5h 06m
BOS6:41 amBoston Logan Intl
Sep 6
BOS6:50 pmBoston Logan Intl
5h 35m
PHX9:25 pmPhoenix Sky Harbor Intl
$223
Find similar

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 August 14, 2025.
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

Mon 9/8

1:27 pm-10:47 pm

1 stop6h 20m

Boston Logan Intl

Mon 9/15

5:50 am-12:23 pm

1 stop9h 33m

$169

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Mon 9/15

1:27 pm-10:47 pm

1 stop6h 20m

Boston Logan Intl

Thu 9/25

5:50 am-12:23 pm

1 stop9h 33m

$170

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 9/4

5:04 pm-7:52 am

1 stop11h 48m

Boston Logan Intl

Sun 9/7

5:50 am-12:23 pm

1 stop9h 33m

$183

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 9/11

1:27 pm-10:47 pm

1 stop6h 20m

Boston Logan Intl

Tue 9/16

7:45 am-3:30 pm

1 stop10h 45m

$200

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 9/4

5:04 pm-7:52 am

1 stop11h 48m

Boston Logan Intl

Sat 9/6

8:38 am-9:53 pm

2 stops16h 15m

$201

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Tue 9/2

10:35 pm-6:41 am

Nonstop5h 06m

Boston Logan Intl

Tue 9/16

5:40 pm-8:13 pm

Nonstop5h 33m

$207

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Sun 8/24

4:59 pm-7:52 am

1 stop11h 53m

Boston Logan Intl

Thu 8/28

12:57 pm-10:49 pm

1 stop12h 52m

$215

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Tue 9/2

10:35 pm-6:41 am

Nonstop5h 06m

Boston Logan Intl

Tue 9/16

4:35 pm-9:57 pm

1 stop8h 22m

$217

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Sat 10/25

1:22 pm-9:25 pm

Nonstop5h 03m

Boston Logan Intl

Wed 10/29

6:00 am-8:57 am

Nonstop5h 57m

$228

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Tue 10/28

3:59 pm-11:58 pm

Nonstop4h 59m

Boston Logan Intl

Fri 10/31

6:00 am-8:57 am

Nonstop5h 57m

$229

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 $245. 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 $285.

What is the cheapest day to depart on your flight to Boston?

The cheapest day to depart from Phoenix to Boston is on a Wednesday when prices can be found for as low as $342. 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 $484.

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 $323. 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 $477 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 $322 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.

  • 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 59m 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 $84Free CancellationRating
5.8
3,219 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $106Free CancellationRating
6.3
8,045 reviews
Search Spirit Airlines flights
SouthwestPriceFrom $158Free CancellationRating
8.0
4,244 reviews
Search Southwest flights
JetBluePriceFrom $163Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
DeltaPriceFrom $174Free CancellationRating
8.0
7,980 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
8,916 reviews
Search United 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
Hampton
Old Orchard Beach
York Beach
Plymouth
Kennebunkport
Nashua
Cambridge
Narragansett
Laconia
South Yarmouth
Brockton
Gloucester
Concord
Everett
Falmouth
Wells
Sturbridge

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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