$176+ Cheap flights from Phoenix to Boston (BOS)
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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOS
Aug 13 — Aug 201
Round-trip
1 adult, Economy
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Find cheap flights from Phoenix to Boston 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 Phoenix to Boston Logan Intl are usually found in January or February, booked 57 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday
Cheap flight deals from Phoenix to Boston
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Cheapest flights from Phoenix to BostonExplore the most affordable flight options available from Phoenix to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 14, 2026.
Explore the most affordable flight options available from Phoenix to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 8/1011:23 pm
PHX
- BOS
1 stop8h 34m
Frontier
Sat 8/158:37 am
BOS
- PHX
2 stops13h 10m
Frontier
Deal found 7/12![Frontier logo]()
$310
This Southwest deal was found by Cheapflights users on 7/12. 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 8/205:00 am
PHX
- BOS
1 stop9h 05m
Southwest
Mon 8/243:55 pm
BOS
- PHX
1 stop8h 35m
Southwest
Deal found 7/12![Southwest logo]()
$311
This Southwest deal was found by Cheapflights users on 7/12. 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 10/216:20 am
PHX
- BOS
1 stop6h 15m
Southwest
Wed 10/289:30 am
BOS
- PHX
2 stops9h 00m
Southwest
Deal found 7/12![Southwest logo]()
$312
This Orbitz deal was found by Cheapflights users on 7/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:12 am
PHX
- BOS
1 stop16h 09m
Multiple Airlines
Sat 10/247:52 pm
BOS
- PHX
Nonstop6h 10m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$313
This Cheapflightsfares deal was found by Cheapflights users on 7/8. 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.
Thu 10/2911:59 pm
PHX
- BOS
Nonstop4h 40m
JetBlue
Tue 11/37:00 pm
BOS
- PHX
Nonstop6h 03m
JetBlue
Deal found 7/8![JetBlue logo]()
$314
This Orbitz deal was found by Cheapflights users on 7/9. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:44 pm
PHX
- BOS
1 stop10h 21m
Multiple Airlines
Mon 9/287:59 pm
BOS
- PHX
1 stop17h 29m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$315
This Southwest deal was found by Cheapflights users on 7/13. 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.
Mon 8/1712:35 am
PHX
- BOS
1 stop6h 20m
Southwest
Tue 9/12:45 pm
BOS
- PHX
2 stops9h 30m
Southwest
Deal found 7/13![Southwest logo]()
$316
This Delta deal was found by Cheapflights users on 7/13. 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.
Sat 9/1210:17 pm
PHX
- BOS
Nonstop5h 03m
Delta
Sat 9/195:50 pm
BOS
- PHX
Nonstop5h 32m
Delta
Deal found 7/13![Delta logo]()
$317
This Expedia deal was found by Cheapflights users on 7/9. 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.
Sat 10/1010:12 am
PHX
- BOS
1 stop16h 09m
Multiple Airlines
Fri 10/169:15 am
BOS
- PHX
1 stop17h 41m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Sat 8/19:50 pm
PHX
- BOS
1 stop10h 07m
Frontier
Wed 8/1211:59 am
BOS
- PHX
1 stop13h 17m
Frontier
Deal found 7/10![Frontier logo]()
$319
This CheapOair deal was found by Cheapflights users on 7/9. 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 8/1211:23 pm
PHX
- BOS
1 stop8h 34m
Multiple Airlines
Tue 8/182:45 pm
BOS
- PHX
1 stop9h 58m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$320
This Southwest deal was found by Cheapflights users on 7/13. 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 9/110:50 am
PHX
- BOS
2 stops8h 20m
Southwest
Thu 9/175:40 am
BOS
- PHX
2 stops10h 05m
Southwest
Deal found 7/13![Southwest logo]()
$321
Best flights from Phoenix to BostonDiscover carefully curated flight deals from Phoenix to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 14, 2026.
Discover carefully curated flight deals from Phoenix to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 14, 2026.
This Southwest deal was found by Cheapflights users on 7/10. 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 8/2510:50 am
PHX
- BOS
2 stops8h 20m
Southwest
Mon 8/3110:30 am
BOS
- PHX
2 stops9h 55m
Southwest
Deal found 7/10![Southwest logo]()
$327
This Delta deal was found by Cheapflights users on 7/8. 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.
Sat 8/2910:23 pm
PHX
- BOS
Nonstop4h 57m
Delta
Sat 9/55:50 pm
BOS
- PHX
Nonstop5h 38m
Delta
Deal found 7/8![Delta logo]()
$341
This Alaska Airlines deal was found by Cheapflights users on 7/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:11 am
PHX
- BOS
1 stop19h 29m
Alaska Airlines
Wed 8/268:00 am
BOS
- PHX
1 stop9h 33m
Alaska Airlines
Deal found 7/9![Alaska Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 7/10. 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.
Wed 8/1911:32 am
PHX
- BOS
2 stops10h 39m
United Airlines
Tue 8/259:33 am
BOS
- PHX
1 stop7h 40m
United Airlines
Deal found 7/10![United Airlines logo]()
$356
This Southwest deal was found by Cheapflights users on 7/12. 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 8/205:00 am
PHX
- BOS
1 stop9h 05m
Southwest
Mon 8/2410:30 am
BOS
- PHX
2 stops9h 55m
Southwest
Deal found 7/12![Southwest logo]()
$329
This Delta deal was found by Cheapflights users on 7/13. 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.
Sat 8/1510:23 pm
PHX
- BOS
Nonstop4h 57m
Delta
Wed 8/193:14 pm
BOS
- PHX
1 stop8h 42m
Delta
Deal found 7/13![Delta logo]()
$351
This Southwest deal was found by Cheapflights users on 7/9. 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.
Sun 9/612:40 pm
PHX
- BOS
1 stop8h 10m
Southwest
Thu 9/175:40 am
BOS
- PHX
2 stops10h 05m
Southwest
Deal found 7/9![Southwest logo]()
$331
This Delta deal was found by Cheapflights users on 7/11. 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 8/2610:23 pm
PHX
- BOS
Nonstop4h 57m
Delta
Wed 9/27:45 am
BOS
- PHX
1 stop10h 19m
Delta
Deal found 7/11![Delta logo]()
$351
This Southwest deal was found by Cheapflights users on 7/13. 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 8/274:00 pm
PHX
- BOS
2 stops14h 00m
Southwest
Thu 9/33:55 pm
BOS
- PHX
1 stop8h 35m
Southwest
Deal found 7/13![Southwest logo]()
$335
This Southwest deal was found by Cheapflights users on 7/8. 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 8/204:00 pm
PHX
- BOS
2 stops14h 00m
Southwest
Sun 8/235:30 am
BOS
- PHX
1 stop7h 10m
Southwest
Deal found 7/8![Southwest logo]()
$339
This Southwest deal was found by Cheapflights users on 7/10. 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.
Mon 8/244:00 pm
PHX
- BOS
2 stops14h 55m
Southwest
Mon 8/317:30 am
BOS
- PHX
2 stops10h 05m
Southwest
Deal found 7/10![Southwest logo]()
$344
This Southwest deal was found by Cheapflights users on 7/9. 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.
Mon 8/244:00 pm
PHX
- BOS
2 stops14h 55m
Southwest
Sun 8/307:30 am
BOS
- PHX
2 stops9h 05m
Southwest
Deal found 7/9![Southwest logo]()
$344
Last-minute flights from Phoenix to BostonDiscover last-minute flight deals from Phoenix to Boston. Data last updated July 14, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Boston. Data last updated July 14, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Sat 8/19:50 pm
PHX
- BOS
1 stop10h 07m
Frontier
Wed 8/1211:59 am
BOS
- PHX
1 stop13h 17m
Frontier
Deal found 7/10![Frontier logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Sat 8/812:12 am
PHX
- BOS
1 stop29h 57m
Frontier
Wed 8/1211:59 am
BOS
- PHX
1 stop13h 17m
Frontier
Deal found 7/12![Frontier logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 8/1011:23 pm
PHX
- BOS
1 stop8h 34m
Frontier
Sat 8/158:37 am
BOS
- PHX
2 stops13h 10m
Frontier
Deal found 7/12![Frontier logo]()
$310
This CheapOair deal was found by Cheapflights users on 7/10. 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 8/1211:23 pm
PHX
- BOS
1 stop8h 34m
Multiple Airlines
Tue 8/182:45 pm
BOS
- PHX
1 stop9h 58m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$320
This Southwest deal was found by Cheapflights users on 7/13. 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.
Mon 8/1712:35 am
PHX
- BOS
1 stop6h 20m
Southwest
Tue 9/12:45 pm
BOS
- PHX
2 stops9h 30m
Southwest
Deal found 7/13![Southwest logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/1711:23 pm
PHX
- BOS
1 stop9h 24m
Multiple Airlines
Mon 8/248:00 am
BOS
- PHX
1 stop9h 33m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 8/1711:23 pm
PHX
- BOS
1 stop9h 24m
Multiple Airlines
Mon 8/318:00 am
BOS
- PHX
1 stop9h 33m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$326
This Southwest deal was found by Cheapflights users on 7/12. 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 8/205:00 am
PHX
- BOS
1 stop9h 05m
Southwest
Mon 8/243:55 pm
BOS
- PHX
1 stop8h 35m
Southwest
Deal found 7/12![Southwest logo]()
$311
This Southwest deal was found by Cheapflights users on 7/13. 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 8/224:55 pm
PHX
- BOS
1 stop13h 20m
Southwest
Sat 8/295:00 am
BOS
- PHX
2 stops8h 35m
Southwest
Deal found 7/13![Southwest logo]()
$322
This Southwest deal was found by Cheapflights users on 7/12. 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 8/2610:50 am
PHX
- BOS
2 stops8h 20m
Southwest
Wed 9/27:30 am
BOS
- PHX
2 stops8h 30m
Southwest
Deal found 7/12![Southwest logo]()
$321
This Southwest deal was found by Cheapflights users on 7/11. 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 8/274:00 pm
PHX
- BOS
2 stops14h 00m
Southwest
Thu 9/105:40 am
BOS
- PHX
2 stops10h 05m
Southwest
Deal found 7/11![Southwest logo]()
$314
This Southwest deal was found by Cheapflights users on 7/10. 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.
Fri 8/282:20 pm
PHX
- BOS
1 stop7h 10m
Southwest
Mon 8/317:30 am
BOS
- PHX
2 stops10h 05m
Southwest
Deal found 7/10![Southwest logo]()
$325
One-way flights from Phoenix to BostonSearch for one-way flight options from Phoenix to Boston. Find affordable one-way fares based on user searches. Data last updated July 14, 2026.
Search for one-way flight options from Phoenix to Boston. Find affordable one-way fares based on user searches. Data last updated July 14, 2026.
This United Airlines deal was found by Cheapflights users on 7/8. 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.
Sat 8/222:19 pm
PHX
- BOS
1 stop7h 52m
United Airlines
Deal found 7/8![United Airlines logo]()
$176
This Southwest deal was found by Cheapflights users on 7/9. 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.
Fri 8/1410:40 am
PHX
- BOS
2 stops8h 10m
Southwest
Deal found 7/9![Southwest logo]()
$177
This Cheapflightsfares deal was found by Cheapflights users on 7/9. 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 12/111:20 pm
PHX
- BOS
Nonstop4h 41m
JetBlue
Deal found 7/9![JetBlue logo]()
$179
This Frontier deal was found by Cheapflights users on 7/9. 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.
Wed 7/2211:23 pm
PHX
- BOS
1 stop8h 34m
Frontier
Deal found 7/9![Frontier logo]()
$180
This JetBlue deal was found by Cheapflights users on 7/13. 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 1/910:19 pm
PHX
- BOS
Nonstop4h 41m
JetBlue
Deal found 7/13![JetBlue logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 8/146:24 am
PHX
- BOS
2 stops22h 18m
Frontier
Deal found 7/11![Frontier logo]()
$183
This Cheapflightsfares deal was found by Cheapflights users on 7/9. 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.
Fri 10/2311:59 pm
PHX
- BOS
Nonstop4h 53m
JetBlue
Deal found 7/9![JetBlue logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 9/86:57 pm
PHX
- BOS
2 stops14h 08m
Frontier
Deal found 7/11![Frontier logo]()
$185
This JetBlue deal was found by Cheapflights users on 7/13. 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.
Fri 1/810:19 pm
PHX
- BOS
Nonstop4h 41m
JetBlue
Deal found 7/13![JetBlue logo]()
$186
This Alaska Airlines deal was found by Cheapflights users on 7/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/101:05 pm
PHX
- BOS
1 stop23h 46m
Alaska Airlines
Deal found 7/12![Alaska Airlines logo]()
$187
This United Airlines deal was found by Cheapflights users on 7/9. 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 7/286:10 am
PHX
- BOS
1 stop8h 24m
United Airlines
Deal found 7/9![United Airlines logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Sat 10/109:00 am
PHX
- BOS
3 stops23h 44m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$189
Find flight deals from Phoenix to Boston
Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to Boston (BOS). 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 July 14, 2026.
Round-trip from | $310 (Kiwi.com) |
|---|---|
One-way from | $176 (United Airlines) |
Popular in | July |
Cheapest in | January |
Average price | $457 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 14, 2026.
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
Cheapest round-trip
PhoenixBoston
PHX - BOS
PHXBOS
Phoenix Sky Harbor Intl
Tue 8/25
10:50 am-10:10 pm
2 stops8h 20m
Boston Logan Intl
Mon 8/31
10:30 am-5:25 pm
2 stops9h 55m
$327
PhoenixBoston
PHX - BOS
PHXBOS
Phoenix Sky Harbor Intl
Thu 8/20
5:00 am-5:05 pm
1 stop9h 05m
Boston Logan Intl
Mon 8/24
10:30 am-5:25 pm
2 stops9h 55m
$329
PhoenixBoston
PHX - BOS
PHXBOS
Phoenix Sky Harbor Intl
Sun 9/6
12:40 pm-11:50 pm
1 stop8h 10m
Boston Logan Intl
Thu 9/17
5:40 am-12:45 pm
2 stops10h 05m
$331
PhoenixBoston
PHX - BOS
PHXBOS
Phoenix Sky Harbor Intl
Thu 8/27
4:00 pm-9:00 am
2 stops14h 00m
Boston Logan Intl
Thu 9/3
3:55 pm-9:30 pm
1 stop8h 35m
$335
PhoenixBoston
PHX - BOS
PHXBOS
Phoenix Sky Harbor Intl
Thu 8/20
4:00 pm-9:00 am
2 stops14h 00m
Boston Logan Intl
Sun 8/23
5:30 am-9:40 am
1 stop7h 10m
$339
Quickest round-trip
PhoenixBoston
PHX - BOS
PHXBOS
Phoenix Sky Harbor Intl
Sat 8/29
10:23 pm-6:20 am
Nonstop4h 57m
Boston Logan Intl
Sat 9/5
5:50 pm-8:28 pm
Nonstop5h 38m
$341
PhoenixBoston
PHX - BOS
PHXBOS
Phoenix Sky Harbor Intl
Mon 8/24
4:00 pm-9:55 am
2 stops14h 55m
Boston Logan Intl
Mon 8/31
7:30 am-2:35 pm
2 stops10h 05m
$344
PhoenixBoston
PHX - BOS
PHXBOS
Phoenix Sky Harbor Intl
Mon 8/24
4:00 pm-9:55 am
2 stops14h 55m
Boston Logan Intl
Sun 8/30
7:30 am-1:35 pm
2 stops9h 05m
$344
PhoenixBoston
PHX - BOS
PHXBOS
Phoenix Sky Harbor Intl
Sat 8/15
7:11 am-5:40 am
1 stop19h 29m
Boston Logan Intl
Wed 8/26
8:00 am-2:33 pm
1 stop9h 33m
$349
PhoenixBoston
PHX - BOS
PHXBOS
Phoenix Sky Harbor Intl
Sat 8/15
10:23 pm-6:20 am
Nonstop4h 57m
Boston Logan Intl
Wed 8/19
3:14 pm-8:56 pm
1 stop8h 42m
$351
Showing 1-10 of 24 resultsSorted by cheapest first
Best time to book a flight from Phoenix to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Phoenix with our price prediction graph.
PH1-BOS
PHX-BOS
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 Phoenix to Boston
PH1-BOS
PHX-BOS
What is the cheapest month to book a flight from Phoenix to Boston?
Currently, February is the cheapest month in which you can book a flight from Phoenix to Boston (average of $61). Flying from Phoenix to Boston in September is currently the most expensive (average of $789). 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 PHX to BOS?
Find hourly flight availability from Phoenix to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 14, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 30% on flights from Phoenix to Boston by exploring options for tickets in the evening.
Weekly flight availability from Phoenix to Boston
Explore weekly flight availability from Phoenix to Boston. 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 July 14, 2026.
The most flights from PH1 to BOS are scheduled on a Tuesday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).
How much does it cost to fly round-trip from Phoenix to Boston?
How far ahead should I book a flight from Phoenix to Boston?
To ensure you get the cheapest price possible for a flight from Phoenix to Boston, you should look to book at least 56 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Phoenix to Boston?
Use this chart to determine the cheapest time to fly round-trip from Phoenix to Boston. Price data was last updated on July 11, 2026.
Travelers seeking maximum savings on their Phoenix to Boston flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Boston
Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated July 14, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Phoenix to Boston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Phoenix to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
Cambridge
Concord
Brockton
Hampton Beach
Seekonk
Cranston
Warwick
Dedham
Peabody
Randolph
Auburn
Fitchburg
York Beach
Chelsea
Londonderry
Swansea
North Falmouth
Smithfield
Braintree
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Boston flight routes
Complete your trip
Flights by cabin class
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Popular flights
Alternative routes for Phoenix to Boston
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 14, 2026.
Complete your trip
Complete your trip to Boston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Phoenix to Boston by cabin class
Find flights from Phoenix to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Phoenix and Boston flights
Browse other Phoenix and Boston flight options. Last updated on July 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Phoenix to Boston
Discover the top 6 airlines that operate flights from Phoenix to Boston. 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 July 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$70 | Average$170 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$117 | Average$285 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$158 | Average$394 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$160 | Average$352 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$221 | Average$323 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$421 | FlexibilityNo cancel fee | On-time71% |