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Cheap flights from Phoenix 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 to Boston departing on 1/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:00 am - 1:13 am
PHX
-
BOS
17h 13m1 stop
Frontier Logo
6:00 am - 3:25 pm
BOS
-
PHX
11h 25m1 stop
$160Frontier
Fri, Jan 16 - Mon, Jan 19
Frontier Logo
6:49 pm - 7:52 am
PHX
-
BOS
11h 03m1 stop
Frontier Logo
6:00 am - 3:25 pm
BOS
-
PHX
11h 25m1 stop
$162Frontier
Thu, Jan 15 - Mon, Jan 19
Frontier Logo
6:47 pm - 7:53 am
PHX
-
BOS
11h 06m1 stop
Frontier Logo
6:00 am - 3:13 pm
BOS
-
PHX
11h 13m1 stop
$163Frontier
Thu, Jan 8 - Mon, Jan 12
JetBlue Logo
10:19 pm - 5:00 am
PHX
-
BOS
4h 41mnonstop
JetBlue Logo
4:50 pm - 8:49 pm
BOS
-
PHX
5h 59mnonstop
$167JetBlue
Wed, Jan 7 - Wed, Jan 14
Frontier Logo
6:00 am - 1:13 am
PHX
-
BOS
17h 13m1 stop
Frontier Logo
6:00 am - 4:04 pm
BOS
-
PHX
36h 04m2 stops
$170Frontier
Thu, Feb 5 - Mon, Feb 9
Multiple Airlines Logo
6:00 am - 1:19 am
PHX
-
BOS
17h 19m1 stop
Multiple Airlines Logo
3:43 pm - 3:44 pm
BOS
-
PHX
26h 01m2 stops
$174Multiple Airlines
Mon, Jan 12 - Thu, Jan 22
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
$175Multiple Airlines
Wed, Jan 21 - 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
$176JetBlue
Thu, Jan 8 - Wed, Jan 14
JetBlue Logo
10:19 pm - 5:00 am
PHX
-
BOS
4h 41mnonstop
JetBlue Logo
4:50 pm - 8:49 pm
BOS
-
PHX
5h 59mnonstop
$177JetBlue
Thu, Jan 8 - Wed, Jan 14
Frontier Logo
6:47 pm - 7:53 am
PHX
-
BOS
11h 06m1 stop
Frontier Logo
6:00 am - 1:08 pm
BOS
-
PHX
33h 08m2 stops
$180Frontier
Thu, Jan 8 - Tue, Jan 13

Frontier flights from Phoenix to Boston

Our best Frontier deals on Phoenix to Boston flight tickets
Frontier
Jan 16
PHX6:00 amPhoenix Sky Harbor Intl
17h 13m
1 stop
BOS1:13 amBoston Logan Intl
Jan 19
BOS6:00 amBoston Logan Intl
11h 25m
1 stop
PHX3:25 pmPhoenix Sky Harbor Intl
$160
Find similar
Frontier
Jan 15
PHX6:49 pmPhoenix Sky Harbor Intl
11h 03m
1 stop
BOS7:52 amBoston Logan Intl
Jan 19
BOS6:00 amBoston Logan Intl
11h 25m
1 stop
PHX3:25 pmPhoenix Sky Harbor Intl
$162
Find similar
Frontier
Jan 8
PHX6:47 pmPhoenix Sky Harbor Intl
11h 06m
1 stop
BOS7:53 amBoston Logan Intl
Jan 12
BOS6:00 amBoston Logan Intl
11h 13m
1 stop
PHX3:13 pmPhoenix Sky Harbor Intl
$163
Find similar

Alaska Airlines flights from Phoenix to Boston

Our best Alaska Airlines deals on Phoenix to Boston flight tickets
Alaska Airlines
Jan 22
PHX11:00 amPhoenix Sky Harbor Intl
10h 54m
1 stop
BOS11:54 pmBoston Logan Intl
Jan 29
BOS4:20 pmBoston Logan Intl
9h 02m
1 stop
PHX11:22 pmPhoenix Sky Harbor Intl
$215
Find similar
Alaska Airlines
Jan 5
PHX12:32 pmPhoenix Sky Harbor Intl
14h 38m
1 stop
BOS5:10 amBoston Logan Intl
Jan 20
BOS4:20 pmBoston Logan Intl
23h 40m
1 stop
PHX2:00 pmPhoenix Sky Harbor Intl
$226
Find similar
Alaska Airlines
Dec 14
PHX6:02 amPhoenix Sky Harbor Intl
9h 50m
1 stop
BOS5:52 pmBoston Logan Intl
Jan 11
BOS4:20 pmBoston Logan Intl
9h 02m
1 stop
PHX11:22 pmPhoenix Sky Harbor Intl
$346
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 December 9, 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

Fri 1/16

6:00 am-1:13 am

1 stop17h 13m

Boston Logan Intl

Mon 1/19

6:00 am-3:25 pm

1 stop11h 25m

$160

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 1/15

6:49 pm-7:52 am

1 stop11h 03m

Boston Logan Intl

Mon 1/19

6:00 am-3:25 pm

1 stop11h 25m

$162

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 1/8

6:47 pm-7:53 am

1 stop11h 06m

Boston Logan Intl

Mon 1/12

6:00 am-3:13 pm

1 stop11h 13m

$163

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Wed 1/7

10:19 pm-5:00 am

Nonstop4h 41m

Boston Logan Intl

Wed 1/14

4:50 pm-8:49 pm

Nonstop5h 59m

$167

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 2/5

6:00 am-1:13 am

1 stop17h 13m

Boston Logan Intl

Mon 2/9

6:00 am-4:04 pm

2 stops36h 04m

$170

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Mon 1/12

6:00 am-1:19 am

1 stop17h 19m

Boston Logan Intl

Thu 1/22

3:43 pm-3:44 pm

2 stops26h 01m

$174

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Wed 1/21

10:19 pm-5:00 am

Nonstop4h 41m

Boston Logan Intl

Mon 1/26

6:00 am-3:22 pm

1 stop11h 22m

$175

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 1/8

10:19 pm-5:00 am

Nonstop4h 41m

Boston Logan Intl

Wed 1/14

4:50 pm-8:49 pm

Nonstop5h 59m

$176

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 1/8

10:19 pm-5:00 am

Nonstop4h 41m

Boston Logan Intl

Wed 1/14

4:50 pm-8:49 pm

Nonstop5h 59m

$177

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 1/8

6:47 pm-7:53 am

1 stop11h 06m

Boston Logan Intl

Tue 1/13

6:00 am-1:08 pm

2 stops33h 08m

$180

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 $247. 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 $279.

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 $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 $485.

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 $329. 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 $329 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 $298 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 38m

Direct flights

Every day

Airports in Boston

1 airport
The fastest flight from Phoenix to Boston takes 4h 38m
Direct flights go from Phoenix to Boston every day.
There is 1 airport near Boston: 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 38m 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 $81Free CancellationRating
5.8
3,085 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $90Free CancellationRating
6.3
8,173 reviews
Search Spirit Airlines flights
JetBluePriceFrom $137Free CancellationRating
7.2
2,899 reviews
Search JetBlue flights
SouthwestPriceFrom $158Free CancellationRating
7.9
4,252 reviews
Search Southwest flights
DeltaPriceFrom $188Free CancellationRating
7.9
8,007 reviews
Search Delta flights
United AirlinesPriceFrom $220Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $228Free CancellationRating
8.0
11,423 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $237Free CancellationRating
7.2
11,045 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
Nashua
Falmouth
Laconia
Brockton
Concord
Everett
Sturbridge
Chatham

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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