$178+ Cheap flights from Boston (BOS) to Sky Harbor Intl (PHX)
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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PHX
Sep 15 — Sep 221
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Sky Harbor Intl 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 Sky Harbor Intl are usually found in January or May, booked 59 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday
Cheap flight deals from Boston to Sky Harbor Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to Sky Harbor IntlExplore the most affordable flight options available from Boston to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2026.
Explore the most affordable flight options available from Boston to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2026.
This Expedia deal was found by Cheapflights users on 8/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:12 am -
1 stop10h 58m
Sat 10/311:50 pm -
Nonstop4h 53m
Deal found 8/11![Multiple Airlines logo]()
$343
This Cheapflightsfares deal was found by Cheapflights users on 8/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:52 pm -
Nonstop6h 10m
Mon 10/2611:59 pm -
Nonstop4h 40m
Deal found 8/11![JetBlue logo]()
$344
This Southwest deal was found by Cheapflights users on 8/13. 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 12/227:00 am -
2 stops9h 40m
Tue 12/2912:50 am -
1 stop7h 45m
Deal found 8/13![Southwest logo]()
$346
This Delta deal was found by Cheapflights users on 8/11. 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.
Sat 9/265:50 pm -
Nonstop5h 32m
Mon 10/510:17 pm -
Nonstop5h 03m
Deal found 8/11![Delta logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Sat 9/512:45 pm -
1 stop8h 46m
Fri 9/116:25 am -
2 stops26h 34m
Deal found 8/13![Frontier logo]()
$348
This Southwest deal was found by Cheapflights users on 8/11. 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.
Fri 9/255:40 am -
2 stops10h 05m
Tue 9/2911:50 am -
1 stop9h 40m
Deal found 8/11![Southwest logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:00 am -
1 stop30h 31m
Fri 9/255:45 pm -
1 stop9h 24m
Deal found 8/11![Alaska Airlines logo]()
$350
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:05 am -
1 stop8h 12m
Thu 11/123:34 pm -
1 stop12h 06m
Deal found 8/14![Multiple Airlines logo]()
$351
This Southwest deal was found by Cheapflights users on 8/13. 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 9/103:55 pm -
1 stop8h 55m
Sun 9/135:45 am -
1 stop8h 40m
Deal found 8/13![Southwest logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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.
Thu 11/127:03 am -
1 stop11h 07m
Mon 11/168:00 am -
1 stop19h 46m
Deal found 8/12![Alaska Airlines logo]()
$353
This Southwest deal was found by Cheapflights users on 8/11. 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.
Tue 9/89:05 am -
1 stop9h 05m
Tue 9/156:00 am -
1 stop7h 55m
Deal found 8/11![Southwest logo]()
$354
This Frontier deal was found by Cheapflights users on 8/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:47 am -
1 stop11h 55m
Sun 10/2510:12 pm -
1 stop9h 50m
Deal found 8/13![Frontier logo]()
$355
Best flights from Boston to Sky Harbor IntlDiscover carefully curated flight deals from Boston to Sky Harbor Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 16, 2026.
Discover carefully curated flight deals from Boston to Sky Harbor Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 16, 2026.
This Southwest deal was found by Cheapflights users on 8/13. 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 9/85:25 am -
1 stop8h 00m
Tue 9/1511:50 am -
1 stop9h 40m
Deal found 8/13![Southwest logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 10/166:40 pm -
1 stop18h 52m
Wed 10/217:38 am -
1 stop18h 43m
Deal found 8/15![Alaska Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 8/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:20 pm -
1 stop8h 20m
Sat 9/1910:17 pm -
Nonstop5h 03m
Deal found 8/12![Delta logo]()
$391
This Southwest deal was found by Cheapflights users on 8/12. 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.
Mon 11/27:05 am -
2 stops9h 20m
Thu 11/56:35 am -
2 stops9h 15m
Deal found 8/12![Southwest logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 11/66:20 pm -
1 stop19h 20m
Wed 11/117:23 am -
1 stop21h 57m
Deal found 8/15![Alaska Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 8/15. 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.
Sun 11/86:10 pm -
Nonstop5h 43m
Wed 11/181:40 pm -
Nonstop4h 44m
Deal found 8/15![Delta logo]()
$394
This Southwest deal was found by Cheapflights users on 8/12. 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.
Sat 10/105:25 am -
2 stops8h 45m
Sat 10/176:35 am -
1 stop10h 35m
Deal found 8/12![Southwest logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:40 pm -
1 stop18h 52m
Sun 11/18:00 am -
1 stop19h 46m
Deal found 8/13![Alaska Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 8/13. 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.
Thu 9/175:50 pm -
Nonstop5h 32m
Mon 9/2111:59 pm -
1 stop8h 09m
Deal found 8/13![Delta logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 11/136:09 pm -
1 stop18h 32m
Sun 11/158:00 am -
1 stop19h 46m
Deal found 8/15![Alaska Airlines logo]()
$385
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:59 pm -
1 stop17h 29m
Sat 9/2612:13 pm -
2 stops14h 56m
Deal found 8/11![Alaska Airlines logo]()
$395
Last-minute flights from Boston to Sky Harbor IntlDiscover last-minute flight deals from Boston to Sky Harbor Intl. Data last updated August 16, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Sky Harbor Intl. Data last updated August 16, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Sat 9/512:45 pm -
1 stop8h 46m
Fri 9/116:25 am -
2 stops26h 34m
Deal found 8/13![Frontier logo]()
$348
This Southwest deal was found by Cheapflights users on 8/11. 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.
Sun 9/66:40 am -
1 stop7h 55m
Thu 9/104:00 pm -
2 stops14h 00m
Deal found 8/11![Southwest logo]()
$355
This Southwest deal was found by Cheapflights users on 8/11. 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.
Tue 9/89:05 am -
1 stop9h 05m
Tue 9/156:00 am -
1 stop7h 55m
Deal found 8/11![Southwest logo]()
$354
This Southwest deal was found by Cheapflights users on 8/12. 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 9/95:45 pm -
1 stop7h 15m
Wed 9/1610:50 am -
2 stops8h 25m
Deal found 8/12![Southwest logo]()
$344
This Southwest deal was found by Cheapflights users on 8/13. 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 9/103:55 pm -
1 stop8h 55m
Sun 9/135:45 am -
1 stop8h 40m
Deal found 8/13![Southwest logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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.
Thu 9/106:17 pm -
1 stop20h 14m
Sun 9/137:08 am -
1 stop19h 39m
Deal found 8/12![Alaska Airlines logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:00 am -
1 stop9h 33m
Fri 9/189:22 am -
1 stop11h 32m
Deal found 8/13![Alaska Airlines logo]()
$356
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:00 am -
1 stop30h 31m
Fri 9/255:45 pm -
1 stop9h 24m
Deal found 8/11![Alaska Airlines logo]()
$350
This Southwest deal was found by Cheapflights users on 8/11. 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.
Fri 9/255:40 am -
2 stops10h 05m
Tue 9/2911:50 am -
1 stop9h 40m
Deal found 8/11![Southwest logo]()
$349
This Expedia deal was found by Cheapflights users on 8/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:12 am -
1 stop10h 58m
Sat 10/311:50 pm -
Nonstop4h 53m
Deal found 8/11![Multiple Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 8/11. 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.
Sat 9/265:50 pm -
Nonstop5h 32m
Mon 10/510:17 pm -
Nonstop5h 03m
Deal found 8/11![Delta logo]()
$347
One-way flights from Boston to Sky Harbor IntlSearch for one-way flight options from Boston to Sky Harbor Intl. Find affordable one-way fares based on user searches. Data last updated August 16, 2026.
Search for one-way flight options from Boston to Sky Harbor Intl. Find affordable one-way fares based on user searches. Data last updated August 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 10/712:54 pm -
2 stops13h 49m
Deal found 8/14![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 10/2012:57 pm -
2 stops22h 01m
Deal found 8/14![Frontier logo]()
$179
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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.
Sat 9/267:12 am -
1 stop10h 58m
Deal found 8/12![Alaska Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 11/911:41 am -
2 stops15h 06m
Deal found 8/12![Multiple Airlines logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Sat 9/1912:54 pm -
2 stops32h 35m
Deal found 8/11![Frontier logo]()
$183
This Delta deal was found by Cheapflights users on 8/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:47 pm -
1 stop10h 31m
Deal found 8/12![Delta logo]()
$184
This Expedia deal was found by Cheapflights users on 8/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:59 pm -
1 stop17h 29m
Deal found 8/13![Alaska Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Tue 11/1012:35 pm -
2 stops29h 19m
Deal found 8/13![Frontier logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Fri 9/1812:11 pm -
2 stops22h 49m
Deal found 8/12![Multiple Airlines logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Wed 11/1112:35 pm -
2 stops29h 00m
Deal found 8/13![Frontier logo]()
$188
This Southwest deal was found by Cheapflights users on 8/11. 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 9/175:40 am -
2 stops10h 05m
Deal found 8/11![Southwest logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/2412:54 pm -
2 stops13h 49m
Deal found 8/14![Frontier logo]()
$190
Find flight deals from Boston to Sky Harbor Intl
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Sky Harbor Intl (PHX). 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 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $343 (Expedia) |
One-way from | $178 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $418 |
Good round-trip deal | $394 or less |
Good one-way deal | $245 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Sky Harbor Intl 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 16, 2026.
Use the filters below to find and compare flights from Boston to Phoenix Sky Harbor Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonPhoenix
BOS Boston Logan Intl - PHX Phoenix Sky Harbor Intl
BOSPHX
Boston Logan Intl
Tue 9/8
5:25 am-10:25 am
1 stop8h 00m
Phoenix Sky Harbor Intl
Tue 9/15
11:50 am-12:30 am
1 stop9h 40m
$354
BostonPhoenix
BOS Boston Logan Intl - PHX Phoenix Sky Harbor Intl
BOSPHX
Boston Logan Intl
Mon 11/2
7:05 am-2:25 pm
2 stops9h 20m
Phoenix Sky Harbor Intl
Thu 11/5
6:35 am-5:50 pm
2 stops9h 15m
$362
BostonPhoenix
BOS Boston Logan Intl - PHX Phoenix Sky Harbor Intl
BOSPHX
Boston Logan Intl
Sat 10/10
5:25 am-11:10 am
2 stops8h 45m
Phoenix Sky Harbor Intl
Sat 10/17
6:35 am-8:10 pm
1 stop10h 35m
$369
BostonPhoenix
BOS Boston Logan Intl - PHX Phoenix Sky Harbor Intl
BOSPHX
Boston Logan Intl
Fri 10/16
6:40 pm-10:32 am
1 stop18h 52m
Phoenix Sky Harbor Intl
Wed 10/21
7:38 am-5:21 am
1 stop18h 43m
$370
BostonPhoenix
BOS Boston Logan Intl - PHX Phoenix Sky Harbor Intl
BOSPHX
Boston Logan Intl
Fri 11/6
6:20 pm-11:40 am
1 stop19h 20m
Phoenix Sky Harbor Intl
Wed 11/11
7:23 am-7:20 am
1 stop21h 57m
$373
BostonPhoenix
BOS Boston Logan Intl - PHX Phoenix Sky Harbor Intl
BOSPHX
Boston Logan Intl
Sat 10/24
6:40 pm-10:32 am
1 stop18h 52m
Phoenix Sky Harbor Intl
Sun 11/1
8:00 am-5:46 am
1 stop19h 46m
$383
BostonPhoenix
BOS Boston Logan Intl - PHX Phoenix Sky Harbor Intl
BOSPHX
Boston Logan Intl
Fri 11/13
6:09 pm-10:41 am
1 stop18h 32m
Phoenix Sky Harbor Intl
Sun 11/15
8:00 am-5:46 am
1 stop19h 46m
$385
BostonPhoenix
BOS Boston Logan Intl - PHX Phoenix Sky Harbor Intl
BOSPHX
Boston Logan Intl
Sat 9/12
12:20 pm-5:40 pm
1 stop8h 20m
Phoenix Sky Harbor Intl
Sat 9/19
10:17 pm-6:20 am
Nonstop5h 03m
$391
Quickest round-trip
BostonPhoenix
BOS Boston Logan Intl - PHX Phoenix Sky Harbor Intl
BOSPHX
Boston Logan Intl
Sun 11/8
6:10 pm-9:53 pm
Nonstop5h 43m
Phoenix Sky Harbor Intl
Wed 11/18
1:40 pm-8:24 pm
Nonstop4h 44m
$394
BostonPhoenix
BOS Boston Logan Intl - PHX Phoenix Sky Harbor Intl
BOSPHX
Boston Logan Intl
Sat 9/19
7:59 pm-10:28 am
1 stop17h 29m
Phoenix Sky Harbor Intl
Sat 9/26
12:13 pm-6:09 am
2 stops14h 56m
$395
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Boston to Sky Harbor Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Sky Harbor Intl in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Phoenix Sky Harbor Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Phoenix Sky Harbor Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Phoenix Sky Harbor Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Phoenix Sky Harbor Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boston to Sky Harbor Intl
Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Boston with our price prediction graph.
BOS-PHX
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 Sky Harbor Intl Airport
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How far ahead should I book a flight from Boston to Phoenix Sky Harbor Intl Airport?
To ensure you get the cheapest price possible for a flight from Boston to Phoenix Sky Harbor Intl Airport, you should look to book at least 58 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 month to book a flight from Boston to Phoenix Sky Harbor Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Boston to Phoenix Sky Harbor Intl Airport (average of $297). Flying from Boston to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of $448). 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 Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 16, 2026.
A simple way to save on the total cost of your ticket is to fly from Boston to Phoenix Sky Harbor Intl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight at noon.
What is the cheapest day to fly from Boston to Phoenix Sky Harbor Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Boston to Sky Harbor Intl. Price data was last updated on August 15, 2026.
Travelers seeking maximum savings on their Boston to Phoenix Sky Harbor Intl Airport 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.
How often are flights from Boston to Phoenix delayed?
About 17% of weekly flights between Boston and Phoenix have experienced delays in the past year, with the average delay time being 151 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 Saturday 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 14% of flights being delayed.
What’s the top layover airport for flights from Boston to Phoenix Sky Harbor Intl Airport?
Share of 1-stop round-trip flights from Boston to Phoenix Sky Harbor Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Chicago (MDW) – chosen by Cheapflights users on 50% of 1-stop itineraries from Boston to Phoenix Sky Harbor Intl Airport on Cheapflights.
What’s the cheapest layover airport for flights from Boston to Phoenix Sky Harbor Intl Airport?
Average round-trip fare for 1-stop flights from Boston to Phoenix Sky Harbor Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $246.
What’s the fastest layover option from Boston to Phoenix Sky Harbor Intl Airport?
Shortest average travel time for 1-stop one-way flights from Boston to Phoenix Sky Harbor Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Chicago (MDW) have the shortest average one-way travel time for 1-stop routes: 7h 30m.
Which airport typically offers the quickest layover for flights from Boston to Phoenix Sky Harbor Intl Airport?
Average layover duration for 1-stop one-way flights from Boston to Phoenix Sky Harbor Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 07m.
The best insider tips for Boston to Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl Airport trip
Our travel experts
Reviews of airlines servicing Sky Harbor Intl
Get insights into the airlines that provide service to Sky Harbor Intl. 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 Sky Harbor Intl. Reviews last updated August 16, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Boston to Phoenix Sky Harbor Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentSherrie,Jan 2024
LAX - PHX
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentSherrie,Jan 2024
LAX - PHX
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentSherrie,Jan 2024
LAX - PHX
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentSherrie,Jan 2024
LAX - PHX
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentSherrie,Jan 2024
LAX - PHX
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Comfort
8.0
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 Sky Harbor Intl. 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 Phoenix Sky Harbor Intl Airport?
Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locationsGlendale
Buckeye
Goodyear
Payson
Surprise
Wickenburg
Paradise Valley
Peoria
Chandler
Casa Grande
Camp Verde
Globe
Fountain Hills
Guadalupe
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Top 7 airlines flying from Boston to Sky Harbor Intl
Discover the top 7 airlines that operate flights from Boston to Sky Harbor Intl. 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 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$125 | Average$317 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$127 | Average$222 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$154 | Average$370 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$193 | Average$375 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$226 | Average$386 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$239 | Average$426 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$276 | Average$450 | FlexibilityNo cancel fee | On-time63% |