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Cheap flights from Boston to Phoenix from $141

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Phoenix departing on 10/4. 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

Spirit Airlines Logo
3:00 pm - 12:08 pmBOS-PHX
24h 08m1 stop
Spirit Airlines Logo
11:53 am - 10:52 pmPHX-BOS
7h 59m1 stop
$247Spirit Airlines
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Wed, Oct 22 - Thu, Oct 30
Logo
6:20 am - 10:16 pmBOS-PHX
18h 56m2 stops
Logo
1:45 pm - 11:25 pmPHX-BOS
7h 40m1 stop
$248
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Fri, Oct 31 - Sat, Nov 8
Delta Logo
5:40 pm - 8:13 pmBOS-PHX
5h 33mnonstop
Delta Logo
10:54 pm - 6:55 amPHX-BOS
5h 01mnonstop
$249Delta
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Sat, Sep 20 - Sat, Sep 27
Logo
3:00 pm - 10:56 amBOS-PHX
22h 56m1 stop
Logo
5:04 pm - 7:52 amPHX-BOS
11h 48m1 stop
$250
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Wed, Sep 17 - Sun, Sep 28
Delta Logo
8:10 am - 10:51 amBOS-PHX
5h 41mnonstop
Delta Logo
12:40 am - 10:48 amPHX-BOS
7h 08m1 stop
$251Delta
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Sat, Oct 25 - Mon, Oct 27
American Airlines Logo
6:00 am - 8:57 amBOS-PHX
5h 57mnonstop
American Airlines Logo
3:59 pm - 11:58 pmPHX-BOS
4h 59mnonstop
$253American Airlines
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Wed, Oct 22 - Mon, Oct 27
American Airlines Logo
12:25 pm - 4:17 pmBOS-PHX
5h 52mnonstop
American Airlines Logo
4:45 pm - 11:33 pmPHX-BOS
4h 48mnonstop
$254American Airlines
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Thu, Dec 4 - Tue, Dec 9
JetBlue Logo
4:50 pm - 8:45 pmBOS-PHX
5h 55mnonstop
JetBlue Logo
11:07 pm - 12:11 pmPHX-BOS
11h 04m1 stop
$274JetBlue
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Sat, Nov 8 - Wed, Nov 12
Southwest Logo
3:20 pm - 9:30 pmBOS-PHX
9h 10m2 stops
Southwest Logo
11:40 am - 10:10 pmPHX-BOS
7h 30m2 stops
$286Southwest
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Wed, Oct 22 - Wed, Oct 29
JetBlue Logo
1:40 pm - 9:57 pmBOS-PHX
10h 17m1 stop
JetBlue Logo
10:20 pm - 5:01 amPHX-BOS
4h 41mnonstop
$294JetBlue
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Fri, Nov 7 - Tue, Nov 11

Delta flights from Boston to Phoenix

Our best Delta deals on Boston to Phoenix flight tickets
Delta
Sep 20
BOS5:40 pmBoston Logan Intl
5h 33m
PHX8:13 pmPhoenix Sky Harbor Intl
Sep 27
PHX10:54 pmPhoenix Sky Harbor Intl
5h 01m
BOS6:55 amBoston Logan Intl
$249
Find similar
Delta
Oct 25
BOS8:10 amBoston Logan Intl
5h 41m
PHX10:51 amPhoenix Sky Harbor Intl
Oct 27
PHX12:40 amPhoenix Sky Harbor Intl
7h 08m
1 stop
BOS10:48 amBoston Logan Intl
$251
Find similar
Delta
Sep 20
BOS5:40 pmBoston Logan Intl
5h 33m
PHX8:13 pmPhoenix Sky Harbor Intl
Sep 29
PHX10:54 pmPhoenix Sky Harbor Intl
5h 01m
BOS6:55 amBoston Logan Intl
$257
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Alaska Airlines flights from Boston to Phoenix

Our best Alaska Airlines deals on Boston to Phoenix flight tickets
Alaska Airlines
Nov 5
BOS4:24 pmBoston Logan Intl
8h 52m
1 stop
PHX11:16 pmPhoenix Sky Harbor Intl
Nov 12
PHX6:20 amPhoenix Sky Harbor Intl
16h 00m
1 stop
BOS12:20 amBoston Logan Intl
$260
Find similar
Alaska Airlines
Nov 6
BOS4:24 pmBoston Logan Intl
8h 52m
1 stop
PHX11:16 pmPhoenix Sky Harbor Intl
Nov 14
PHX7:35 pmPhoenix Sky Harbor Intl
9h 54m
1 stop
BOS7:29 amBoston Logan Intl
$293
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momondo Fare Finder

 
Customize your flight search to find flights from Boston to Phoenix 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 28, 2025.
Use the filters below to find and compare flights from Boston to Phoenix that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Wed 10/22

3:00 pm-12:08 pm

1 stop24h 08m

Phoenix Sky Harbor Intl

Thu 10/30

11:53 am-10:52 pm

1 stop7h 59m

$247

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Fri 10/31

6:20 am-10:16 pm

2 stops18h 56m

Phoenix Sky Harbor Intl

Sat 11/8

1:45 pm-11:25 pm

1 stop7h 40m

$248

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 9/20

5:40 pm-8:13 pm

Nonstop5h 33m

Phoenix Sky Harbor Intl

Sat 9/27

10:54 pm-6:55 am

Nonstop5h 01m

$249

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Wed 9/17

3:00 pm-10:56 am

1 stop22h 56m

Phoenix Sky Harbor Intl

Sun 9/28

5:04 pm-7:52 am

1 stop11h 48m

$250

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 10/25

8:10 am-10:51 am

Nonstop5h 41m

Phoenix Sky Harbor Intl

Mon 10/27

12:40 am-10:48 am

1 stop7h 08m

$251

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Wed 10/22

6:00 am-8:57 am

Nonstop5h 57m

Phoenix Sky Harbor Intl

Mon 10/27

3:59 pm-11:58 pm

Nonstop4h 59m

$253

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Thu 12/4

12:25 pm-4:17 pm

Nonstop5h 52m

Phoenix Sky Harbor Intl

Tue 12/9

4:45 pm-11:33 pm

Nonstop4h 48m

$254

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 11/8

4:50 pm-8:45 pm

Nonstop5h 55m

Phoenix Sky Harbor Intl

Wed 11/12

11:07 pm-12:11 pm

1 stop11h 04m

$274

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Wed 10/22

3:20 pm-9:30 pm

2 stops9h 10m

Phoenix Sky Harbor Intl

Wed 10/29

11:40 am-10:10 pm

2 stops7h 30m

$286

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Fri 11/7

1:40 pm-9:57 pm

1 stop10h 17m

Phoenix Sky Harbor Intl

Tue 11/11

10:20 pm-5:01 am

Nonstop4h 41m

$294

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 Phoenix from

How to get the cheapest flight ticket from Boston to Phoenix

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 Phoenix?

If you are unable to visit Phoenix during the month of January, then departing from Boston during the month September is also very affordable. Most momondo users find prices during this month for around $317.

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

On average, the least expensive day to fly to Phoenix from Boston is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $352. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $440.

What is the cheapest time of day to depart on your flight to Phoenix?

The cheapest time of day to fly to Phoenix is in the evening when flights can be purchased for as low as $301. At noon is when there is more demand to fly to Phoenix, so prices are often more expensive at around $425 per ticket.

What is the cheapest Boston Logan Intl to Phoenix flight route?

Fly from Boston Logan Intl to Phoenix Sky Harbor Intl for the best Boston Logan Intl - Phoenix flight prices

How far in advance should I book a flight to Phoenix?

You are more likely to see cheaper flights to Phoenix from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix for around $347 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix from Boston for as low as $309 on momondo.

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

There are 4 cabin classes available to choose from on Boston Logan Intl to Phoenix flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Boston to Phoenix flight deals and tips

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

Fastest flight time

5h 33m

Direct flights

Every day

Airports in Phoenix

1 airport
The fastest flight from Boston to Phoenix takes 5h 33m
Direct flights go from Boston to Phoenix every day.
There is 1 airport near Phoenix: Phoenix Sky Harbor Intl (PHX)
Search flight deals

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

    The straight-line distance from Boston Logan Intl to Phoenix is 2293.6 mi. 5h 33m is a normal flight duration for this route.

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

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

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

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

    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 Boston Logan Intl Airport to Phoenix.

  • What documentation or ID do you need to fly to Phoenix?

    The travel and health documents required for your trip to Phoenix can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Phoenix. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Boston to Phoenix

Compare and see reviews for airlines that fly from Boston to Phoenix with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $95Free CancellationRating
5.8
3,204 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $108Free CancellationRating
6.3
8,028 reviews
Search Spirit Airlines flights
DeltaPriceFrom $119Free CancellationRating
7.9
7,977 reviews
Search Delta flights
JetBluePriceFrom $176Free CancellationRating
7.2
2,920 reviews
Search JetBlue flights
United AirlinesPriceFrom $217Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
American AirlinesPriceFrom $235Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $251Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

Why use momondo?

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

It is quick and easy to find Boston to Phoenix flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Phoenix that suits you.

Can I find flights from Boston to Phoenix with flexible booking policies on momondo?

All flight searches from Boston to Phoenix on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Boston to Phoenix?

momondo helps you find the best flight between Boston and Phoenix by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Boston to Phoenix flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to the United States

Fly into one of these airports located in Phoenix

Airports listed have a maximum distance of 25.4 mi from Phoenix
Phoenix-Mesa Gateway Airport