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Cheap flights from Boston to Phoenix from $109

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 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:00 am - 3:27 pm
BOS
-
PHX
11h 27m
1 stop
Frontier Logo
6:00 am - 1:13 am
PHX
-
BOS
17h 13m
1 stop
$190Frontier
Mon, Feb 23 - Mon, Mar 2
Delta Logo
6:25 pm - 12:11 am
BOS
-
PHX
7h 46m
1 stop
Delta Logo
11:58 pm - 6:55 am
PHX
-
BOS
4h 57mnonstop
$192Delta
Fri, Feb 20 - Fri, Mar 6
Frontier Logo
12:35 pm - 11:59 pm
BOS
-
PHX
13h 24m
2 stops
Frontier Logo
6:00 am - 1:13 am
PHX
-
BOS
17h 13m
1 stop
$193Frontier
Sat, Feb 28 - Mon, Mar 2
Frontier Logo
6:00 am - 12:19 pm
BOS
-
PHX
32h 19m
2 stops
Frontier Logo
6:00 am - 1:13 am
PHX
-
BOS
17h 13m
1 stop
$195Frontier
Mon, Feb 23 - Mon, Mar 2
Delta Logo
5:15 pm - 9:20 pm
BOS
-
PHX
6h 05mnonstop
Delta Logo
11:59 pm - 9:14 am
PHX
-
BOS
7h 15m
1 stop
$197Delta
Fri, Feb 27 - Mon, Mar 2
Multiple Airlines Logo
11:45 am - 7:39 pm
BOS
-
PHX
9h 54m
1 stop
Multiple Airlines Logo
9:29 pm - 5:02 am
PHX
-
BOS
4h 33mnonstop
$198Multiple Airlines
Thu, Mar 5 - Sun, Mar 8
JetBlue Logo
4:50 pm - 8:49 pm
BOS
-
PHX
5h 59mnonstop
JetBlue Logo
10:25 pm - 5:00 am
PHX
-
BOS
4h 35mnonstop
$199JetBlue
Mon, Feb 2 - Sat, Feb 14
Multiple Airlines Logo
6:00 am - 3:22 pm
BOS
-
PHX
11h 22m
1 stop
Multiple Airlines Logo
10:25 pm - 5:00 am
PHX
-
BOS
4h 35mnonstop
$200Multiple Airlines
Thu, Feb 5 - Sun, Feb 15
Sun Country Air Logo
6:45 am - 1:06 pm
BOS
-
AZA
9h 21m
1 stop
Sun Country Air Logo
5:10 pm - 10:12 am
AZA
-
BOS
14h 02m
1 stop
$385Sun Country Air
Sun, Apr 19 - Fri, Apr 24
Sun Country Air Logo
11:17 am - 4:48 pm
BOS
-
AZA
8h 31m
1 stop
Sun Country Air Logo
5:10 pm - 10:12 am
AZA
-
BOS
14h 02m
1 stop
$395Sun Country Air
Wed, Apr 8 - Sun, Apr 12

Delta flights from Boston to Phoenix

Our best Delta deals on Boston to Phoenix flight tickets
Delta
Feb 20
BOS6:25 pmBoston Logan Intl
7h 46m
1 stop
PHX12:11 amPhoenix Sky Harbor Intl
Mar 3
PHX1:40 pmPhoenix Sky Harbor Intl
4h 47m
BOS8:27 pmBoston Logan Intl
$192
Delta
Feb 24
BOS8:15 amBoston Logan Intl
6h 13m
PHX12:28 pmPhoenix Sky Harbor Intl
Feb 24
PHX11:50 pmPhoenix Sky Harbor Intl
9h 50m
1 stop
BOS11:40 amBoston Logan Intl
$197
Delta
Feb 20
BOS6:25 pmBoston Logan Intl
7h 46m
1 stop
PHX12:11 amPhoenix Sky Harbor Intl
Feb 25
PHX11:59 pmPhoenix Sky Harbor Intl
7h 15m
1 stop
BOS9:14 amBoston Logan Intl
$202

Frontier flights from Boston to Phoenix

Our best Frontier deals on Boston to Phoenix flight tickets
Frontier
Feb 28
BOS12:35 pmBoston Logan Intl
13h 24m
2 stops
PHX11:59 pmPhoenix Sky Harbor Intl
Mar 2
PHX6:00 amPhoenix Sky Harbor Intl
17h 13m
1 stop
BOS1:13 amBoston Logan Intl
$193
Frontier
Feb 23
BOS6:00 amBoston Logan Intl
32h 19m
2 stops
PHX12:19 pmPhoenix Sky Harbor Intl
Mar 2
PHX6:00 amPhoenix Sky Harbor Intl
17h 13m
1 stop
BOS1:13 amBoston Logan Intl
$195
Frontier
Feb 2
BOS6:00 amBoston Logan Intl
14h 24m
2 stops
PHX6:24 pmPhoenix Sky Harbor Intl
Feb 14
PHX6:00 amPhoenix Sky Harbor Intl
16h 29m
1 stop
BOS12:29 amBoston Logan Intl
$201

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 January 20, 2026.
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

Mon 2/23

6:00 am-3:27 pm

1 stop11h 27m

Phoenix Sky Harbor Intl

Mon 3/2

6:00 am-1:13 am

1 stop17h 13m

$190

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Fri 2/20

6:25 pm-12:11 am

1 stop7h 46m

Phoenix Sky Harbor Intl

Fri 3/6

11:58 pm-6:55 am

Nonstop4h 57m

$192

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 2/28

12:35 pm-11:59 pm

2 stops13h 24m

Phoenix Sky Harbor Intl

Mon 3/2

6:00 am-1:13 am

1 stop17h 13m

$193

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Mon 2/23

6:00 am-12:19 pm

2 stops32h 19m

Phoenix Sky Harbor Intl

Mon 3/2

6:00 am-1:13 am

1 stop17h 13m

$195

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Fri 2/27

5:15 pm-9:20 pm

Nonstop6h 05m

Phoenix Sky Harbor Intl

Mon 3/2

11:59 pm-9:14 am

1 stop7h 15m

$197

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Thu 3/5

11:45 am-7:39 pm

1 stop9h 54m

Phoenix Sky Harbor Intl

Sun 3/8

9:29 pm-5:02 am

Nonstop4h 33m

$198

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Mon 2/2

4:50 pm-8:49 pm

Nonstop5h 59m

Phoenix Sky Harbor Intl

Sat 2/14

10:25 pm-5:00 am

Nonstop4h 35m

$199

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Thu 2/5

6:00 am-3:22 pm

1 stop11h 22m

Phoenix Sky Harbor Intl

Sun 2/15

10:25 pm-5:00 am

Nonstop4h 35m

$200

BostonPhoenix

BOS - AZA

BOSAZA

Boston Logan Intl

Sun 4/19

6:45 am-1:06 pm

1 stop9h 21m

Phoenix-Mesa Gateway

Fri 4/24

5:10 pm-10:12 am

1 stop14h 02m

$385

BostonPhoenix

BOS - AZA

BOSAZA

Boston Logan Intl

Wed 4/8

11:17 am-4:48 pm

1 stop8h 31m

Phoenix-Mesa Gateway

Sun 4/12

5:10 pm-10:12 am

1 stop14h 02m

$395

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 August is also very affordable. Most momondo users find prices during this month for around $318.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $369. 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 $442.

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 $327. At noon is when there is more demand to fly to Phoenix, so prices are often more expensive at around $421 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 $358 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 $339 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 50m

Direct flights

Every day

Airports in Phoenix

3 airports
The fastest flight from Boston to Phoenix takes 5h 50m
Direct flights go from Boston to Phoenix every day.
There are 3 airports in Phoenix. From Boston there are direct flights to 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 50m 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
Spirit AirlinesPriceFrom $85Free CancellationRating
6.3
8,350 reviews
Search Spirit Airlines flights
FrontierPriceFrom $96Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
JetBluePriceFrom $125Free CancellationRating
7.2
2,892 reviews
Search JetBlue flights
DeltaPriceFrom $128Free CancellationRating
7.9
8,080 reviews
Search Delta flights
United AirlinesPriceFrom $226Free CancellationRating
7.4
9,183 reviews
Search United Airlines flights
American AirlinesPriceFrom $236Free CancellationRating
7.2
11,164 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $246Free CancellationRating
8.0
11,760 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $246Free CancellationRating
8.0
4,267 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