$166+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOS
Sep 2 — Sep 91
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 Tuesday or Wednesday and return on a Wednesday
Cheap flight deals from Phoenix to Boston
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Best
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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 August 3, 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 August 3, 2026.
This Expedia deal was found by Cheapflights users on 7/31. 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.
Tue 10/63:42 pm
PHX
- BOS
1 stop10h 39m
Multiple Airlines
Tue 10/1311:05 am
BOS
- PHX
1 stop15h 51m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$316
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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.
Tue 10/63:42 pm
PHX
- BOS
1 stop10h 39m
Alaska Airlines
Wed 10/77:51 am
BOS
- PHX
1 stop10h 09m
Alaska Airlines
Deal found 8/2![Alaska Airlines logo]()
$317
This CheapOair deal was found by Cheapflights users on 7/30. 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 10/1911:59 pm
PHX
- BOS
Nonstop4h 53m
Multiple Airlines
Fri 10/239:15 am
BOS
- PHX
1 stop17h 41m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$320
This Southwest deal was found by Cheapflights users on 7/29. 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 9/96:10 am
PHX
- BOS
2 stops9h 25m
Southwest
Wed 9/167:30 am
BOS
- PHX
2 stops8h 30m
Southwest
Deal found 7/29![Southwest logo]()
$321
This eDestinos deal was found by Cheapflights users on 7/31. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:21 am
PHX
- BOS
2 stops21h 26m
Frontier
Tue 8/2512:45 pm
BOS
- PHX
2 stops27h 32m
Frontier
Deal found 7/31![Frontier logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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 10/310:12 am
PHX
- BOS
1 stop16h 09m
Alaska Airlines
Tue 10/67:51 am
BOS
- PHX
1 stop13h 51m
Alaska Airlines
Deal found 8/2![Alaska Airlines logo]()
$323
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 8/212:19 pm
PHX
- BOS
1 stop7h 52m
United Airlines
Tue 9/19:33 am
BOS
- PHX
1 stop7h 40m
United Airlines
Deal found 7/29![United Airlines logo]()
$324
This CheapOair deal was found by Cheapflights users on 7/31. 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 10/2311:59 pm
PHX
- BOS
Nonstop4h 53m
Multiple Airlines
Mon 10/269:15 am
BOS
- PHX
1 stop17h 41m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 8/316:57 pm
PHX
- BOS
2 stops13h 50m
Frontier
Sat 9/512:45 pm
BOS
- PHX
1 stop8h 46m
Frontier
Deal found 8/2![Frontier logo]()
$326
This Southwest deal was found by Cheapflights users on 7/29. 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
Sat 8/2912:10 pm
BOS
- PHX
2 stops10h 15m
Southwest
Deal found 7/29![Southwest logo]()
$327
This JetBlue deal was found by Cheapflights users on 7/31. 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 9/411:06 pm
PHX
- BOS
1 stop9h 55m
JetBlue
Sun 9/64:24 pm
BOS
- PHX
1 stop8h 19m
JetBlue
Deal found 7/31![JetBlue logo]()
$328
This Southwest deal was found by Cheapflights users on 8/2. 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 10/3010:30 pm
PHX
- BOS
1 stop9h 40m
Southwest
Mon 11/27:30 pm
BOS
- PHX
1 stop7h 45m
Southwest
Deal found 8/2![Southwest logo]()
$329
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 August 3, 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 August 3, 2026.
This Southwest deal was found by Cheapflights users on 7/29. 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 9/129:20 am
PHX
- BOS
2 stops9h 25m
Southwest
Wed 9/167:30 am
BOS
- PHX
2 stops8h 30m
Southwest
Deal found 7/29![Southwest logo]()
$339
This JetBlue deal was found by Cheapflights users on 7/30. 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 10/3011:45 am
PHX
- BOS
1 stop9h 34m
JetBlue
Thu 11/57:00 pm
BOS
- PHX
Nonstop6h 03m
JetBlue
Deal found 7/30![JetBlue logo]()
$346
This Delta deal was found by Cheapflights users on 7/29. 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 10/1210:23 pm
PHX
- BOS
Nonstop5h 07m
Delta
Thu 10/156:10 pm
BOS
- PHX
Nonstop5h 43m
Delta
Deal found 7/29![Delta logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 9/263:15 pm
PHX
- BOS
2 stops11h 54m
Alaska Airlines
Tue 9/298:00 am
BOS
- PHX
1 stop9h 33m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$348
This Southwest deal was found by Cheapflights users on 7/29. 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 9/169:55 am
PHX
- BOS
2 stops8h 35m
Southwest
Tue 9/2210:50 am
BOS
- PHX
2 stops10h 05m
Southwest
Deal found 7/29![Southwest logo]()
$339
This Delta deal was found by Cheapflights users on 7/31. 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 9/1910:17 pm
PHX
- BOS
Nonstop5h 03m
Delta
Wed 9/305:50 pm
BOS
- PHX
Nonstop5h 32m
Delta
Deal found 7/31![Delta logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 9/1212:13 pm
PHX
- BOS
2 stops14h 56m
Alaska Airlines
Tue 9/228:00 am
BOS
- PHX
1 stop17h 27m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$348
This Southwest deal was found by Cheapflights users on 8/1. 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 10/76:20 am
PHX
- BOS
1 stop6h 15m
Southwest
Wed 10/145:25 am
BOS
- PHX
1 stop8h 30m
Southwest
Deal found 8/1![Southwest logo]()
$342
This Delta deal was found by Cheapflights users on 7/31. 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 9/3010:17 pm
PHX
- BOS
Nonstop5h 03m
Delta
Wed 10/73:47 pm
BOS
- PHX
1 stop10h 31m
Delta
Deal found 7/31![Delta logo]()
$357
This Southwest deal was found by Cheapflights users on 8/2. 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 9/112:35 am
PHX
- BOS
1 stop6h 20m
Southwest
Wed 9/234:45 pm
BOS
- PHX
1 stop8h 25m
Southwest
Deal found 8/2![Southwest logo]()
$347
This Southwest deal was found by Cheapflights users on 8/2. 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 9/1611:50 am
PHX
- BOS
1 stop9h 40m
Southwest
Wed 9/235:35 am
BOS
- PHX
1 stop7h 50m
Southwest
Deal found 8/2![Southwest logo]()
$347
This Southwest deal was found by Cheapflights users on 8/2. 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 8/2511:50 am
PHX
- BOS
1 stop9h 35m
Southwest
Tue 9/17:30 am
BOS
- PHX
2 stops9h 15m
Southwest
Deal found 8/2![Southwest logo]()
$352
Last-minute flights from Phoenix to BostonDiscover last-minute flight deals from Phoenix to Boston. Data last updated August 3, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Boston. Data last updated August 3, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 8/143:13 pm
PHX
- BOS
1 stop11h 27m
Alaska Airlines
Sat 8/298:00 am
BOS
- PHX
1 stop9h 33m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$335
This eDestinos deal was found by Cheapflights users on 7/31. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:21 am
PHX
- BOS
2 stops21h 26m
Frontier
Tue 8/2512:45 pm
BOS
- PHX
2 stops27h 32m
Frontier
Deal found 7/31![Frontier logo]()
$322
This eDestinos deal was found by Cheapflights users on 8/3. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/204:48 pm
PHX
- BOS
2 stops15h 59m
Multiple Airlines
Tue 8/258:00 am
BOS
- PHX
1 stop26h 58m
Multiple Airlines
Deal found 8/3![Multiple Airlines logo]()
$330
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 8/216:15 am
PHX
- BOS
1 stop7h 33m
United Airlines
Wed 9/3012:45 pm
BOS
- PHX
1 stop7h 50m
United Airlines
Deal found 7/29![United Airlines logo]()
$324
This Southwest deal was found by Cheapflights users on 7/29. 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 8/2211:30 am
PHX
- BOS
1 stop9h 55m
Southwest
Tue 8/257:30 am
BOS
- PHX
2 stops8h 30m
Southwest
Deal found 7/29![Southwest logo]()
$334
This Southwest deal was found by Cheapflights users on 7/29. 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
Sat 8/2912:10 pm
BOS
- PHX
2 stops10h 15m
Southwest
Deal found 7/29![Southwest logo]()
$327
This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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 8/2511:06 pm
PHX
- BOS
1 stop9h 27m
JetBlue
Tue 9/12:40 pm
BOS
- PHX
1 stop10h 03m
JetBlue
Deal found 8/1![JetBlue logo]()
$325
This Southwest deal was found by Cheapflights users on 7/30. 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
Tue 9/17:30 am
BOS
- PHX
2 stops8h 30m
Southwest
Deal found 7/30![Southwest logo]()
$321
This United Airlines deal was found by Cheapflights users on 8/1. 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 8/296:20 am
PHX
- BOS
1 stop7h 07m
United Airlines
Sat 9/58:05 am
BOS
- PHX
1 stop7h 51m
United Airlines
Deal found 8/1![United Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 8/316:57 pm
PHX
- BOS
2 stops13h 50m
Frontier
Sat 9/512:45 pm
BOS
- PHX
1 stop8h 46m
Frontier
Deal found 8/2![Frontier logo]()
$326
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 August 3, 2026.
Search for one-way flight options from Phoenix to Boston. Find affordable one-way fares based on user searches. Data last updated August 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/285:23 pm
PHX
- BOS
2 stops15h 44m
Frontier
Deal found 7/31![Frontier logo]()
$166
This Southwest deal was found by Cheapflights users on 7/30. 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 9/104:00 pm
PHX
- BOS
2 stops14h 00m
Southwest
Deal found 7/30![Southwest logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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.
Fri 9/257:08 am
PHX
- BOS
1 stop19h 39m
Alaska Airlines
Deal found 8/3![Alaska Airlines logo]()
$168
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 8/219:50 am
PHX
- BOS
1 stop9h 09m
United Airlines
Deal found 7/29![United Airlines logo]()
$169
This Super.com deal was found by Cheapflights users on 8/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:50 pm
PHX
- BOS
Nonstop4h 53m
JetBlue
Deal found 8/2![JetBlue logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 10/24:18 pm
PHX
- BOS
2 stops16h 41m
Frontier
Deal found 8/2![Frontier logo]()
$173
This Delta deal was found by Cheapflights users on 7/29. 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
Deal found 7/29![Delta logo]()
$174
This CheapOair deal was found by Cheapflights users on 7/30. 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 8/1212:12 am
PHX
- BOS
1 stop29h 57m
Frontier
Deal found 7/30![Frontier logo]()
$175
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Tue 9/299:22 am
PHX
- BOS
1 stop11h 32m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$176
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Thu 9/177:49 pm
PHX
- BOS
1 stop30h 58m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/194:48 pm
PHX
- BOS
2 stops15h 59m
Frontier
Deal found 8/1![Frontier logo]()
$178
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 August 3, 2026.
Round-trip from | $316 (Expedia) |
|---|---|
One-way from | $166 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $384 |
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 August 3, 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
Sat 9/12
9:20 am-9:45 pm
2 stops9h 25m
Boston Logan Intl
Wed 9/16
7:30 am-1:00 pm
2 stops8h 30m
$339
PhoenixBoston
PHX - BOS
PHXBOS
Phoenix Sky Harbor Intl
Wed 9/16
9:55 am-9:30 pm
2 stops8h 35m
Boston Logan Intl
Tue 9/22
10:50 am-5:55 pm
2 stops10h 05m
$339
PhoenixBoston
PHX - BOS
PHXBOS
Phoenix Sky Harbor Intl
Wed 10/7
6:20 am-3:35 pm
1 stop6h 15m
Boston Logan Intl
Wed 10/14
5:25 am-10:55 am
1 stop8h 30m
$342
PhoenixBoston
PHX - BOS
PHXBOS
Phoenix Sky Harbor Intl
Fri 10/30
11:45 am-12:19 am
1 stop9h 34m
Boston Logan Intl
Thu 11/5
7:00 pm-11:03 pm
Nonstop6h 03m
$346
PhoenixBoston
PHX - BOS
PHXBOS
Phoenix Sky Harbor Intl
Mon 10/12
10:23 pm-6:30 am
Nonstop5h 07m
Boston Logan Intl
Thu 10/15
6:10 pm-8:53 pm
Nonstop5h 43m
$347
Quickest round-trip
PhoenixBoston
PHX - BOS
PHXBOS
Phoenix Sky Harbor Intl
Sat 9/19
10:17 pm-6:20 am
Nonstop5h 03m
Boston Logan Intl
Wed 9/30
5:50 pm-8:22 pm
Nonstop5h 32m
$347
PhoenixBoston
PHX - BOS
PHXBOS
Phoenix Sky Harbor Intl
Tue 9/1
12:35 am-9:55 am
1 stop6h 20m
Boston Logan Intl
Wed 9/23
4:45 pm-10:10 pm
1 stop8h 25m
$347
PhoenixBoston
PHX - BOS
PHXBOS
Phoenix Sky Harbor Intl
Wed 9/16
11:50 am-12:30 am
1 stop9h 40m
Boston Logan Intl
Wed 9/23
5:35 am-10:25 am
1 stop7h 50m
$347
PhoenixBoston
PHX - BOS
PHXBOS
Phoenix Sky Harbor Intl
Sat 9/26
3:15 pm-6:09 am
2 stops11h 54m
Boston Logan Intl
Tue 9/29
8:00 am-2:33 pm
1 stop9h 33m
$348
PhoenixBoston
PHX - BOS
PHXBOS
Phoenix Sky Harbor Intl
Sat 9/12
12:13 pm-6:09 am
2 stops14h 56m
Boston Logan Intl
Tue 9/22
8:00 am-10:27 pm
1 stop17h 27m
$348
Showing 1-10 of 23 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, January is the cheapest month in which you can book a flight from Phoenix to Boston (average of $234). Flying from Phoenix to Boston in July is currently the most expensive (average of $470). 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 August 3, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 29% 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 August 3, 2026.
The most flights from PH1 to BOS are scheduled on a Friday (7 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Phoenix to Boston?
Airfare is below average for this route at the moment.
Phoenix to Boston flights typically cost between $342 and $479 in October.The cheapest round-trip price found within the last 5 days was $316 on Multiple Airlines (Oct 6-Oct 13).
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 August 1, 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 August 3, 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
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
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
Randolph
Brockton
Seekonk
Hampton Beach
Cranston
Warwick
Peabody
Dedham
Auburn
York Beach
Chelsea
Londonderry
Swansea
Fitchburg
North Falmouth
Braintree
Revere
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
Other flight options
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 August 3, 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 August 3, 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 August 3, 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$167 | Average$363 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$234 | Average$321 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$430 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$254 | Average$412 | FlexibilityNo cancel fee | On-time63% |