$140+ Cheap flights from Boston (BOS) to Phoenix
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PHX
Jul 26 — Aug 21
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Phoenix with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Boston Logan Intl to Phoenix are usually found in January or May, booked 60 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday
Cheap flight deals from Boston to Phoenix
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Best
Last-minute
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Cheapest flights from Boston to PhoenixExplore the most affordable flight options available from Boston to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2026.
Explore the most affordable flight options available from Boston to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2026.
This United Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:56 pm
BOS
- PHX
1 stop7h 45m
United Airlines
Tue 10/1311:52 pm
PHX
- BOS
1 stop6h 41m
United Airlines
Deal found 6/21![United Airlines logo]()
$307
This Expedia deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:04 am
BOS
- PHX
1 stop27h 26m
Multiple Airlines
Mon 7/2711:06 pm
PHX
- BOS
1 stop9h 20m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$308
This Expedia deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:00 am
BOS
- PHX
1 stop9h 33m
Multiple Airlines
Fri 8/2111:06 pm
PHX
- BOS
1 stop9h 27m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$310
This Frontier deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:28 am
BOS
- PHX
1 stop13h 11m
Frontier
Sun 9/1310:44 pm
PHX
- BOS
1 stop10h 21m
Frontier
Deal found 6/21![Frontier logo]()
$311
This JetBlue deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:00 pm
BOS
- PHX
Nonstop6h 03m
JetBlue
Mon 11/1611:59 pm
PHX
- BOS
Nonstop4h 40m
JetBlue
Deal found 6/21![JetBlue logo]()
$312
This CheapOair deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1812:56 pm
BOS
- PHX
1 stop9h 41m
Frontier
Mon 7/2012:12 am
PHX
- BOS
1 stop29h 57m
Frontier
Deal found 6/22![Frontier logo]()
$313
This Expedia deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/112:01 pm
BOS
- PHX
1 stop13h 19m
Frontier
Tue 7/712:12 am
PHX
- BOS
1 stop29h 57m
Frontier
Deal found 6/21![Frontier logo]()
$314
This CheapOair deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/910:04 am
BOS
- PHX
1 stop27h 26m
Multiple Airlines
Tue 7/1411:06 pm
PHX
- BOS
1 stop9h 27m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$315
This CheapOair deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:59 am
BOS
- PHX
1 stop10h 45m
Multiple Airlines
Thu 8/2011:06 pm
PHX
- BOS
1 stop9h 27m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$320
This Expedia deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1511:59 am
BOS
- PHX
1 stop10h 45m
Multiple Airlines
Fri 7/2411:06 pm
PHX
- BOS
1 stop9h 27m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:50 pm
BOS
- PHX
Nonstop5h 32m
Delta
Mon 9/2111:51 am
PHX
- BOS
1 stop9h 08m
Delta
Deal found 6/21![Delta logo]()
$322
This CheapOair deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/910:04 am
BOS
- PHX
1 stop27h 26m
Frontier
Mon 7/1311:23 pm
PHX
- BOS
1 stop8h 34m
Frontier
Deal found 6/22![Frontier logo]()
$323
Best flights from Boston to PhoenixDiscover carefully curated flight deals from Boston to Phoenix that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 26, 2026.
Discover carefully curated flight deals from Boston to Phoenix that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 26, 2026.
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/295:50 pm
BOS
- PHX
Nonstop5h 38m
Delta
Wed 8/510:23 pm
PHX
- BOS
Nonstop4h 57m
Delta
Deal found 6/23![Delta logo]()
$341
This Southwest deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:00 am
BOS
- PHX
2 stops8h 35m
Southwest
Sat 8/2211:10 pm
PHX
- BOS
1 stop7h 55m
Southwest
Deal found 6/25![Southwest logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2111:53 am
BOS
- AZA
1 stop7h 46m
Allegiant Air
Sun 8/308:20 am
AZA
- BOS
2 stops22h 58m
Allegiant Air
Deal found 6/22![Allegiant Air logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1612:06 pm
BOS
- AZA
1 stop24h 19m
Multiple Airlines
Thu 7/309:36 am
AZA
- BOS
2 stops20h 33m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$542
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:50 pm
BOS
- PHX
Nonstop5h 38m
Delta
Sat 8/2210:23 pm
PHX
- BOS
Nonstop4h 57m
Delta
Deal found 6/23![Delta logo]()
$341
This Southwest deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/212:30 pm
BOS
- PHX
2 stops9h 15m
Southwest
Tue 7/285:15 am
PHX
- BOS
1 stop8h 50m
Southwest
Deal found 6/21![Southwest logo]()
$366
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:50 pm
BOS
- PHX
Nonstop5h 38m
Delta
Sat 8/810:23 pm
PHX
- BOS
Nonstop4h 57m
Delta
Deal found 6/23![Delta logo]()
$341
This Southwest deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:30 am
BOS
- PHX
2 stops8h 30m
Southwest
Wed 8/511:10 pm
PHX
- BOS
1 stop7h 40m
Southwest
Deal found 6/25![Southwest logo]()
$366
This Delta deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:50 pm
BOS
- PHX
Nonstop5h 38m
Delta
Sat 8/2210:23 pm
PHX
- BOS
Nonstop4h 57m
Delta
Deal found 6/21![Delta logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:54 am
BOS
- AZA
1 stop25h 55m
Allegiant Air
Sat 8/291:39 pm
AZA
- BOS
1 stop17h 25m
Allegiant Air
Deal found 6/22![Allegiant Air logo]()
$445
This Southwest deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:40 am
BOS
- PHX
2 stops10h 05m
Southwest
Sat 8/86:10 am
PHX
- BOS
1 stop6h 05m
Southwest
Deal found 6/24![Southwest logo]()
$376
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/315:50 pm
BOS
- PHX
Nonstop5h 38m
Delta
Sat 8/810:23 pm
PHX
- BOS
Nonstop4h 57m
Delta
Deal found 6/23![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:50 pm
BOS
- PHX
Nonstop5h 38m
Delta
Tue 9/11:20 pm
PHX
- BOS
1 stop7h 37m
Delta
Deal found 6/22![Delta logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2310:54 am
BOS
- AZA
1 stop25h 55m
Multiple Airlines
Fri 8/286:00 am
AZA
- BOS
2 stops24h 09m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$554
This Kiwi.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/912:07 pm
BOS
- AZA
1 stop23h 53m
Allegiant Air
Wed 8/126:30 am
AZA
- BOS
1 stop23h 03m
Allegiant Air
Deal found 6/25![Allegiant Air logo]()
$554
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:00 am
BOS
- AZA
2 stops19h 11m
Multiple Airlines
Sat 7/44:04 pm
AZA
- BOS
1 stop13h 24m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$571
This Kiwi.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:54 am
BOS
- AZA
1 stop25h 55m
Multiple Airlines
Fri 8/2810:39 am
AZA
- BOS
2 stops19h 30m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$602
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/912:06 pm
BOS
- AZA
1 stop24h 19m
Allegiant Air
Sun 7/129:36 am
AZA
- BOS
2 stops23h 11m
Allegiant Air
Deal found 6/23![Allegiant Air logo]()
$614
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/912:06 pm
BOS
- AZA
1 stop24h 19m
Multiple Airlines
Sun 7/129:36 am
AZA
- BOS
2 stops20h 33m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$607
This Kiwi.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1610:04 am
BOS
- AZA
2 stops31h 56m
Multiple Airlines
Sat 8/221:39 pm
AZA
- BOS
1 stop17h 25m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$608
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:04 am
BOS
- AZA
2 stops25h 37m
Multiple Airlines
Sat 7/186:00 am
AZA
- BOS
1 stop23h 28m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$632
This Kiwi.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/212:06 pm
BOS
- AZA
1 stop24h 19m
Multiple Airlines
Mon 7/66:10 am
AZA
- BOS
2 stops25h 28m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$883
Last-minute flights from Boston to PhoenixDiscover last-minute flight deals from Boston to Phoenix. Data last updated June 26, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Phoenix. Data last updated June 26, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/112:01 pm
BOS
- PHX
1 stop13h 19m
Frontier
Tue 7/712:12 am
PHX
- BOS
1 stop29h 57m
Frontier
Deal found 6/21![Frontier logo]()
$314
This CheapOair deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/112:01 pm
BOS
- PHX
1 stop13h 19m
Frontier
Mon 7/612:12 am
PHX
- BOS
1 stop29h 57m
Frontier
Deal found 6/23![Frontier logo]()
$324
This Expedia deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/14:33 pm
BOS
- PHX
1 stop9h 50m
Multiple Airlines
Fri 7/1011:06 pm
PHX
- BOS
1 stop9h 27m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$327
This CheapOair deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:01 pm
BOS
- PHX
1 stop13h 19m
Frontier
Mon 7/1312:12 am
PHX
- BOS
1 stop29h 57m
Frontier
Deal found 6/23![Frontier logo]()
$325
This Frontier deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/412:01 pm
BOS
- PHX
1 stop13h 19m
Frontier
Sat 7/119:50 pm
PHX
- BOS
1 stop10h 07m
Frontier
Deal found 6/22![Frontier logo]()
$329
This CheapOair deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/910:04 am
BOS
- PHX
1 stop27h 26m
Multiple Airlines
Tue 7/1411:06 pm
PHX
- BOS
1 stop9h 27m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$315
This CheapOair deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/910:04 am
BOS
- PHX
1 stop27h 26m
Frontier
Mon 7/1311:23 pm
PHX
- BOS
1 stop8h 34m
Frontier
Deal found 6/22![Frontier logo]()
$323
This Travelocity deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:03 am
BOS
- PHX
1 stop10h 17m
Multiple Airlines
Sat 7/259:50 pm
PHX
- BOS
1 stop10h 07m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$326
This Expedia deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1511:59 am
BOS
- PHX
1 stop10h 45m
Multiple Airlines
Fri 7/2411:06 pm
PHX
- BOS
1 stop9h 27m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$321
This CheapOair deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1812:56 pm
BOS
- PHX
1 stop9h 41m
Frontier
Mon 7/2012:12 am
PHX
- BOS
1 stop29h 57m
Frontier
Deal found 6/22![Frontier logo]()
$313
This Frontier deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1812:56 pm
BOS
- PHX
1 stop9h 41m
Frontier
Sat 7/259:50 pm
PHX
- BOS
1 stop10h 07m
Frontier
Deal found 6/24![Frontier logo]()
$332
This Expedia deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:04 am
BOS
- PHX
1 stop27h 26m
Multiple Airlines
Mon 7/2711:06 pm
PHX
- BOS
1 stop9h 20m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$308
One-way flights from Boston to PhoenixSearch for one-way flight options from Boston to Phoenix. Find affordable one-way fares based on user searches. Data last updated June 26, 2026.
Search for one-way flight options from Boston to Phoenix. Find affordable one-way fares based on user searches. Data last updated June 26, 2026.
This Frontier deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1011:59 am
BOS
- PHX
1 stop10h 45m
Frontier
Deal found 6/22![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1610:04 am
BOS
- PHX
1 stop27h 26m
Frontier
Deal found 6/21![Frontier logo]()
$142
This Cheapflightsfares deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:57 pm
BOS
- PHX
1 stop11h 46m
JetBlue
Deal found 6/23![JetBlue logo]()
$143
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:50 pm
BOS
- PHX
Nonstop5h 32m
Delta
Deal found 6/23![Delta logo]()
$144
This Cheapflightsfares deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/184:43 pm
BOS
- PHX
1 stop8h 02m
JetBlue
Deal found 6/21![JetBlue logo]()
$145
This JetBlue deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/204:30 pm
BOS
- PHX
1 stop8h 16m
JetBlue
Deal found 6/23![JetBlue logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:11 pm
BOS
- AZA
1 stop23h 48m
Allegiant Air
Deal found 6/23![Allegiant Air logo]()
$151
This JetBlue deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:44 pm
BOS
- PHX
1 stop11h 59m
JetBlue
Deal found 6/23![JetBlue logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:08 am
BOS
- PHX
2 stops28h 51m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$153
This Southwest deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:00 am
BOS
- PHX
1 stop7h 40m
Southwest
Deal found 6/25![Southwest logo]()
$156
This Southwest deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:10 pm
BOS
- PHX
2 stops10h 15m
Southwest
Deal found 6/23![Southwest logo]()
$159
This Southwest deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/42:45 pm
BOS
- PHX
2 stops9h 30m
Southwest
Deal found 6/25![Southwest logo]()
$160
Find flight deals from Boston to Phoenix
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Phoenix (PH1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 26, 2026.
Round-trip from | $307 (United Airlines) |
|---|---|
One-way from | $140 (Frontier) |
Popular in | June |
Cheapest in | January |
Average price | $437 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 26, 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
Cheapest round-trip
Quickest round-trip
BostonPhoenix
BOS - PHX
BOSPHX
Boston Logan Intl
Wed 7/29
5:50 pm-8:28 pm
Nonstop5h 38m
Phoenix Sky Harbor Intl
Wed 8/5
10:23 pm-6:20 am
Nonstop4h 57m
$341
BostonPhoenix
BOS - PHX
BOSPHX
Boston Logan Intl
Tue 8/18
5:50 pm-8:28 pm
Nonstop5h 38m
Phoenix Sky Harbor Intl
Sat 8/22
10:23 pm-6:20 am
Nonstop4h 57m
$341
BostonPhoenix
BOS - PHX
BOSPHX
Boston Logan Intl
Tue 8/4
5:50 pm-8:28 pm
Nonstop5h 38m
Phoenix Sky Harbor Intl
Sat 8/8
10:23 pm-6:20 am
Nonstop4h 57m
$341
BostonPhoenix
BOS - PHX
BOSPHX
Boston Logan Intl
Mon 8/17
5:50 pm-8:28 pm
Nonstop5h 38m
Phoenix Sky Harbor Intl
Sat 8/22
10:23 pm-6:20 am
Nonstop4h 57m
$359
BostonPhoenix
BOS - PHX
BOSPHX
Boston Logan Intl
Fri 7/31
5:50 pm-8:28 pm
Nonstop5h 38m
Phoenix Sky Harbor Intl
Sat 8/8
10:23 pm-6:20 am
Nonstop4h 57m
$359
BostonPhoenix
BOS - PHX
BOSPHX
Boston Logan Intl
Sat 8/15
5:00 am-10:35 am
2 stops8h 35m
Phoenix Sky Harbor Intl
Sat 8/22
11:10 pm-10:05 am
1 stop7h 55m
$366
BostonPhoenix
BOS - PHX
BOSPHX
Boston Logan Intl
Tue 7/21
2:30 pm-8:45 pm
2 stops9h 15m
Phoenix Sky Harbor Intl
Tue 7/28
5:15 am-5:05 pm
1 stop8h 50m
$366
BostonPhoenix
BOS - PHX
BOSPHX
Boston Logan Intl
Wed 8/5
7:30 am-1:00 pm
2 stops8h 30m
Phoenix Sky Harbor Intl
Wed 8/5
11:10 pm-9:50 am
1 stop7h 40m
$366
BostonPhoenix
BOS - PHX
BOSPHX
Boston Logan Intl
Mon 8/24
5:50 pm-8:28 pm
Nonstop5h 38m
Phoenix Sky Harbor Intl
Tue 9/1
1:20 pm-11:57 pm
1 stop7h 37m
$369
BostonPhoenix
BOS - PHX
BOSPHX
Boston Logan Intl
Thu 8/6
5:40 am-12:45 pm
2 stops10h 05m
Phoenix Sky Harbor Intl
Sat 8/8
6:10 am-3:15 pm
1 stop6h 05m
$376
Showing 1-10 of 45 resultsSorted by cheapest first
Best time to book a flight from Boston to Phoenix
Have a flexible travel schedule? Discover the best time to fly to Phoenix from Boston with our price prediction graph.
BOS-PH1
BOS-PHX
BOS-AZA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Boston to Phoenix
BOS-PH1
BOS-PHX
BOS-AZA
What is the cheapest month to book a flight from Boston to Phoenix?
Currently, August is the cheapest month in which you can book a flight from Boston to Phoenix (average of $165). Flying from Boston to Phoenix in September is currently the most expensive (average of $702). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BOS to PHX?
Find hourly flight availability from Boston to Phoenix. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 26, 2026.
A simple way to save on the total cost of your ticket is to fly from Boston to Phoenix in the evening. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the morning.
Weekly flight availability from Boston to Phoenix
Explore weekly flight availability from Boston to Phoenix. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 26, 2026.
The most flights from BOS to PH1 are scheduled on a Thursday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).
How much does it cost to fly round-trip from Boston to Phoenix?
How often are flights from Boston to Phoenix delayed?
About 18% of weekly flights between Boston and Phoenix have experienced delays in the past year, with the average delay time being 152 minutes.
What is the most punctual flight time for Boston to Phoenix flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Boston to Phoenix flights?
Over the last year, American Airlines have had the lowest number of delays on this route, with just 15% of flights being delayed.
How far ahead should I book a flight from Boston to Phoenix?
Booking 40 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Phoenix. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest day to fly from Boston to Phoenix?
Use this chart to determine the cheapest time to fly round-trip from Boston to Phoenix. Price data was last updated on June 20, 2026.
Travelers seeking maximum savings on their Boston to Phoenix flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Boston to Phoenix flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Phoenix trip
Our travel experts
Reviews of airlines servicing Phoenix
Get insights into the airlines that provide service to Phoenix. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Phoenix. Reviews last updated June 26, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Boston to Phoenix by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Overall
7.9
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentSherrie,Jan 2024
LAX - PHX
Comfort
8.0
Overall
7.9
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentSherrie,Jan 2024
LAX - PHX
Comfort
8.0
Overall
7.9
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentSherrie,Jan 2024
LAX - PHX
Comfort
8.0
Overall
7.9
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentSherrie,Jan 2024
LAX - PHX
Comfort
8.0
Overall
7.9
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentSherrie,Jan 2024
LAX - PHX
Comfort
8.0
Overall
7.9
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentSherrie,Jan 2024
LAX - PHX
Related info for your journey
Find useful and relevant information for your journey from Boston to Phoenix. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Boston to Phoenix
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Complete your trip
Complete your trip to Phoenix by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Phoenix by cabin class
Find flights from Boston to Phoenix, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Phoenix flights
Browse other Boston and Phoenix flight options. Last updated on June 26, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on June 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from Boston to Phoenix
Discover the top 7 airlines that operate flights from Boston to Phoenix. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$125 | Average$361 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$127 | Average$222 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$153 | Average$360 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$193 | Average$375 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$226 | Average$388 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$414 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$246 | Average$444 | FlexibilityNo cancel fee | On-time63% |