$127+ Cheap flights from Seattle (SEA) to Massachusetts
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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BOS
May 4 — May 111
Round-trip
1 adult, Economy
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Cheapest flights from Seattle to MassachusettsExplore the most affordable flight options available from Seattle to Massachusetts. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2026.
Explore the most affordable flight options available from Seattle to Massachusetts. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2026.
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:40 am
SEA
- BOS
1 stop8h 34m
United Airlines
Tue 6/96:35 pm
BOS
- SEA
1 stop8h 24m
United Airlines
Deal found 3/31![United Airlines logo]()
$232
This Delta deal was found by Cheapflights users on 3/31. 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 5/207:15 am
SEA
- BOS
Nonstop5h 34m
Delta
Wed 5/277:30 pm
BOS
- SEA
Nonstop6h 10m
Delta
Deal found 3/31![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 3/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:55 pm
SEA
- BOS
1 stop8h 05m
Southwest
Tue 5/122:25 pm
BOS
- SEA
2 stops12h 30m
Southwest
Deal found 3/31![Southwest logo]()
$242
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1912:59 am
SEA
- BOS
1 stop9h 12m
American Airlines
Wed 5/276:00 am
BOS
- SEA
1 stop8h 46m
American Airlines
Deal found 4/1![American Airlines logo]()
$244
This Southwest deal was found by Cheapflights users on 3/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/305:15 am
SEA
- BOS
1 stop14h 05m
Southwest
Wed 5/62:25 pm
BOS
- SEA
2 stops11h 05m
Southwest
Deal found 3/31![Southwest logo]()
$248
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/310:35 pm
SEA
- BOS
Nonstop5h 20m
Delta
Tue 5/127:30 pm
BOS
- SEA
Nonstop6h 10m
Delta
Deal found 4/1![Delta logo]()
$251
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/43:40 pm
SEA
- BOS
Nonstop5h 19m
Delta
Tue 5/127:30 pm
BOS
- SEA
Nonstop6h 10m
Delta
Deal found 4/1![Delta logo]()
$253
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/202:27 pm
SEA
- BOS
1 stop7h 32m
United Airlines
Wed 5/276:00 am
BOS
- SEA
1 stop9h 34m
United Airlines
Deal found 3/31![United Airlines logo]()
$255
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:30 am
SEA
- BOS
1 stop8h 43m
Delta
Tue 6/25:15 pm
BOS
- SEA
1 stop8h 31m
Delta
Deal found 4/1![Delta logo]()
$257
This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2911:35 am
SEA
- BOS
Nonstop5h 39m
JetBlue
Mon 6/87:00 am
BOS
- SEA
Nonstop6h 15m
JetBlue
Deal found 3/31![JetBlue logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2710:11 pm
SEA
- BDL
1 stop18h 48m
Multiple Airlines
Mon 5/43:50 pm
BDL
- SEA
2 stops20h 59m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/127:00 am
SEA
- ALB
1 stop7h 51m
United Airlines
Tue 5/267:55 am
ALB
- SEA
1 stop11h 00m
United Airlines
Deal found 3/31![United Airlines logo]()
$375
Best flights from Seattle to MassachusettsDiscover carefully curated flight deals from Seattle to Massachusetts that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 4, 2026.
Discover carefully curated flight deals from Seattle to Massachusetts that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 4, 2026.
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:00 pm
SEA
- BOS
Nonstop5h 35m
Delta
Mon 5/117:30 pm
BOS
- SEA
Nonstop6h 10m
Delta
Deal found 4/1![Delta logo]()
$251
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Thu 4/3011:53 pm
SEA
- BOS
1 stop8h 08m
United Airlines
Sun 5/35:45 am
BOS
- SEA
1 stop9h 03m
United Airlines
Deal found 4/1![United Airlines logo]()
$288
This Southwest deal was found by Cheapflights users on 3/30. 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.
Mon 4/2011:55 pm
SEA
- BOS
1 stop8h 05m
Southwest
Tue 4/282:25 pm
BOS
- SEA
2 stops11h 05m
Southwest
Deal found 3/30![Southwest logo]()
$330
This Alaska Airlines deal was found by Cheapflights users on 4/3. 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.
Tue 6/23:30 pm
SEA
- BOS
Nonstop5h 29m
Alaska Airlines
Mon 6/86:00 am
BOS
- SEA
1 stop15h 54m
Alaska Airlines
Deal found 4/3![Alaska Airlines logo]()
$385
This JetBlue deal was found by Cheapflights users on 4/2. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1611:39 pm
SEA
- BOS
1 stop29h 21m
JetBlue
Sun 5/247:00 am
BOS
- SEA
Nonstop6h 17m
JetBlue
Deal found 4/2![JetBlue logo]()
$389
This American Airlines deal was found by Cheapflights users on 4/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3010:47 pm
SEA
- BDL
1 stop8h 25m
American Airlines
Sun 5/107:19 pm
BDL
- SEA
1 stop8h 17m
American Airlines
Deal found 4/3![American Airlines logo]()
$407
This Sun Country Air deal was found by Cheapflights users on 3/30. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1111:59 pm
SEA
- BDL
1 stop7h 48m
Sun Country Air
Mon 6/157:06 pm
BDL
- SEA
1 stop19h 01m
Sun Country Air
Deal found 3/30![Sun Country Air logo]()
$567
This Delta deal was found by Cheapflights users on 4/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2611:00 pm
SEA
- BOS
Nonstop5h 35m
Delta
Wed 6/33:55 pm
BOS
- SEA
Nonstop6h 08m
Delta
Deal found 4/3![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 4/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:10 pm
SEA
- BOS
Nonstop5h 30m
Delta
Wed 6/37:30 pm
BOS
- SEA
Nonstop6h 10m
Delta
Deal found 4/3![Delta logo]()
$333
This Southwest deal was found by Cheapflights users on 4/2. 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 6/36:00 am
SEA
- BOS
2 stops10h 40m
Southwest
Sun 6/75:15 am
BOS
- SEA
1 stop12h 10m
Southwest
Deal found 4/2![Southwest logo]()
$370
This KAYAK deal was found by Cheapflights users on 4/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1111:44 pm
SEA
- EWB
2 stops12h 45m
Multiple Airlines
Mon 6/157:00 am
EWB
- SEA
2 stops17h 08m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$769
This Alaska Airlines deal was found by Cheapflights users on 4/3. 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 7/311:18 pm
SEA
- BOS
Nonstop5h 22m
Alaska Airlines
Sun 7/127:44 pm
BOS
- SEA
Nonstop6h 23m
Alaska Airlines
Deal found 4/3![Alaska Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2611:00 pm
SEA
- BOS
Nonstop5h 35m
Delta
Thu 6/44:30 pm
BOS
- SEA
1 stop10h 23m
Delta
Deal found 4/1![Delta logo]()
$351
This Southwest deal was found by Cheapflights users on 4/2. 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 8/1210:30 pm
SEA
- ALB
1 stop8h 00m
Southwest
Thu 8/206:05 pm
ALB
- SEA
1 stop8h 25m
Southwest
Deal found 4/2![Southwest logo]()
$416
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/611:56 pm
SEA
- MVY
2 stops10h 23m
American Airlines
Tue 7/211:49 pm
MVY
- SEA
2 stops12h 46m
American Airlines
Deal found 4/1![American Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1211:15 pm
SEA
- BOS
Nonstop5h 20m
Delta
Sun 6/217:25 pm
BOS
- SEA
Nonstop6h 24m
Delta
Deal found 4/2![Delta logo]()
$367
This United Airlines deal was found by Cheapflights users on 4/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/511:53 pm
SEA
- BDL
1 stop7h 02m
United Airlines
Wed 5/63:04 pm
BDL
- SEA
1 stop8h 49m
United Airlines
Deal found 4/3![United Airlines logo]()
$493
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Fri 6/1210:40 pm
SEA
- ALB
1 stop9h 12m
United Airlines
Sun 6/216:10 am
ALB
- SEA
1 stop8h 28m
United Airlines
Deal found 4/1![United Airlines logo]()
$495
This Southwest deal was found by Cheapflights users on 4/1. 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.
Tue 5/267:10 pm
SEA
- BDL
2 stops10h 00m
Southwest
Thu 6/47:10 pm
BDL
- SEA
1 stop8h 15m
Southwest
Deal found 4/1![Southwest logo]()
$470
This JetBlue deal was found by Cheapflights users on 3/31. 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.
Tue 8/2510:19 pm
SEA
- ACK
1 stop9h 53m
JetBlue
Wed 8/263:43 pm
ACK
- SEA
1 stop10h 06m
JetBlue
Deal found 3/31![JetBlue logo]()
$596
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:55 am
SEA
- ALB
2 stops12h 58m
United Airlines
Wed 4/296:00 am
ALB
- SEA
2 stops13h 41m
United Airlines
Deal found 3/30![United Airlines logo]()
$495
This Southwest deal was found by Cheapflights users on 3/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/194:45 pm
SEA
- ALB
2 stops12h 15m
Southwest
Wed 4/222:45 pm
ALB
- SEA
2 stops10h 45m
Southwest
Deal found 3/31![Southwest logo]()
$486
This United Airlines deal was found by Cheapflights users on 4/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:36 pm
SEA
- BDL
2 stops11h 19m
United Airlines
Sat 5/96:05 am
BDL
- SEA
2 stops15h 27m
United Airlines
Deal found 4/3![United Airlines logo]()
$503
This Southwest deal was found by Cheapflights users on 3/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:25 pm
SEA
- ALB
2 stops11h 05m
Southwest
Sun 8/91:00 pm
ALB
- SEA
1 stop13h 10m
Southwest
Deal found 3/31![Southwest logo]()
$498
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2611:00 pm
SEA
- ALB
2 stops12h 13m
United Airlines
Tue 6/24:43 pm
ALB
- SEA
1 stop10h 16m
United Airlines
Deal found 3/30![United Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:34 am
SEA
- MVY
2 stops10h 03m
American Airlines
Thu 8/203:21 pm
MVY
- SEA
1 stop10h 37m
American Airlines
Deal found 3/30![American Airlines logo]()
$712
This KAYAK deal was found by Cheapflights users on 4/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1011:52 pm
SEA
- EWB
2 stops15h 03m
Multiple Airlines
Fri 6/127:00 am
EWB
- SEA
2 stops17h 08m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$809
This Southwest deal was found by Cheapflights users on 4/1. 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 6/107:30 pm
SEA
- ALB
2 stops9h 55m
Southwest
Mon 6/223:20 pm
ALB
- SEA
2 stops10h 45m
Southwest
Deal found 4/1![Southwest logo]()
$508
This United Airlines deal was found by Cheapflights users on 4/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:47 pm
SEA
- ALB
1 stop7h 52m
United Airlines
Thu 8/201:00 pm
ALB
- SEA
2 stops13h 24m
United Airlines
Deal found 4/3![United Airlines logo]()
$531
This United Airlines deal was found by Cheapflights users on 4/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2910:40 pm
SEA
- ALB
1 stop9h 12m
United Airlines
Thu 6/46:46 pm
ALB
- SEA
1 stop8h 13m
United Airlines
Deal found 4/2![United Airlines logo]()
$538
Last-minute flights from Seattle to MassachusettsDiscover last-minute flight deals from Seattle to Massachusetts. Data last updated April 4, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Massachusetts. Data last updated April 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2710:11 pm
SEA
- BDL
1 stop18h 48m
Multiple Airlines
Mon 5/43:50 pm
BDL
- SEA
2 stops20h 59m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$348
This Southwest deal was found by Cheapflights users on 3/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/305:15 am
SEA
- BOS
1 stop14h 05m
Southwest
Wed 5/62:25 pm
BOS
- SEA
2 stops11h 05m
Southwest
Deal found 3/31![Southwest logo]()
$248
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/310:35 pm
SEA
- BOS
Nonstop5h 20m
Delta
Tue 5/127:30 pm
BOS
- SEA
Nonstop6h 10m
Delta
Deal found 4/1![Delta logo]()
$251
This Southwest deal was found by Cheapflights users on 3/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:55 pm
SEA
- BOS
1 stop8h 05m
Southwest
Tue 5/122:25 pm
BOS
- SEA
2 stops12h 30m
Southwest
Deal found 3/31![Southwest logo]()
$242
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/43:40 pm
SEA
- BOS
Nonstop5h 19m
Delta
Tue 5/127:30 pm
BOS
- SEA
Nonstop6h 10m
Delta
Deal found 4/1![Delta logo]()
$253
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/127:00 am
SEA
- ALB
1 stop7h 51m
United Airlines
Tue 5/267:55 am
ALB
- SEA
1 stop11h 00m
United Airlines
Deal found 3/31![United Airlines logo]()
$375
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1912:59 am
SEA
- BOS
1 stop9h 12m
American Airlines
Wed 5/276:00 am
BOS
- SEA
1 stop8h 46m
American Airlines
Deal found 4/1![American Airlines logo]()
$244
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:30 am
SEA
- BOS
1 stop8h 43m
Delta
Tue 6/25:15 pm
BOS
- SEA
1 stop8h 31m
Delta
Deal found 4/1![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 3/31. 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 5/207:15 am
SEA
- BOS
Nonstop5h 34m
Delta
Wed 5/277:30 pm
BOS
- SEA
Nonstop6h 10m
Delta
Deal found 3/31![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/202:27 pm
SEA
- BOS
1 stop7h 32m
United Airlines
Wed 5/276:00 am
BOS
- SEA
1 stop9h 34m
United Airlines
Deal found 3/31![United Airlines logo]()
$255
This Cheapflightsfares deal was found by Cheapflights users on 4/1. 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.
Wed 5/2011:30 am
SEA
- BOS
Nonstop5h 37m
JetBlue
Wed 5/277:00 am
BOS
- SEA
Nonstop6h 17m
JetBlue
Deal found 4/1![JetBlue logo]()
$262
This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2911:35 am
SEA
- BOS
Nonstop5h 39m
JetBlue
Mon 6/87:00 am
BOS
- SEA
Nonstop6h 15m
JetBlue
Deal found 3/31![JetBlue logo]()
$260
One-way flights from Seattle to MassachusettsSearch for one-way flight options from Seattle to Massachusetts. Find affordable one-way fares based on user searches. Data last updated April 4, 2026.
Search for one-way flight options from Seattle to Massachusetts. Find affordable one-way fares based on user searches. Data last updated April 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:12 pm
SEA
- BOS
2 stops34h 22m
Frontier
Deal found 4/3![Frontier logo]()
$127
This KAYAK deal was found by Cheapflights users on 4/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2011:30 am
SEA
- BOS
Nonstop5h 37m
JetBlue
Deal found 4/3![JetBlue logo]()
$130
This Super.com deal was found by Cheapflights users on 4/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2811:35 am
SEA
- BOS
Nonstop5h 39m
JetBlue
Deal found 4/1![JetBlue logo]()
$131
This KAYAK deal was found by Cheapflights users on 4/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:30 am
SEA
- BOS
Nonstop5h 37m
JetBlue
Deal found 4/3![JetBlue logo]()
$132
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/174:10 pm
SEA
- BOS
Nonstop5h 30m
Delta
Deal found 4/1![Delta logo]()
$133
This iWofly deal was found by Cheapflights users on 4/2. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/93:38 pm
SEA
- BOS
Nonstop5h 21m
Hawaiian Airlines
Deal found 4/2![Hawaiian Airlines logo]()
$137
This United Airlines deal was found by Cheapflights users on 4/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:07 pm
SEA
- BOS
1 stop7h 52m
United Airlines
Deal found 4/3![United Airlines logo]()
$139
This Delta deal was found by Cheapflights users on 4/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1511:05 pm
SEA
- BOS
1 stop7h 01m
Delta
Deal found 4/3![Delta logo]()
$142
This United Airlines deal was found by Cheapflights users on 4/1. 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 5/2310:40 pm
SEA
- BOS
1 stop9h 25m
United Airlines
Deal found 4/1![United Airlines logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1211:06 am
SEA
- BDL
2 stops40h 09m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:12 pm
SEA
- BDL
2 stops19h 59m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/711:06 am
SEA
- ALB
3 stops29h 31m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$178
Find flight deals from Seattle to Massachusetts
Keep the following information in mind while searching for Seattle to Massachusetts flight deals. Data was last updated April 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $232 (United Airlines) |
One-way from | $127 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $382 |
Good round-trip deal | $333 or less |
Good one-way deal | $199 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Massachusetts 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 April 4, 2026.
Use the filters below to find and compare flights from Seattle to Massachusetts that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Sat 5/9
11:00 pm-7:35 am
Nonstop5h 35m
Boston Logan Intl
Mon 5/11
7:30 pm-10:40 pm
Nonstop6h 10m
$251
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Thu 4/30
11:53 pm-11:01 am
1 stop8h 08m
Boston Logan Intl
Sun 5/3
5:45 am-11:48 am
1 stop9h 03m
$288
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Tue 5/26
11:00 pm-7:35 am
Nonstop5h 35m
Boston Logan Intl
Wed 6/3
3:55 pm-7:03 pm
Nonstop6h 08m
$297
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Mon 4/20
11:55 pm-11:00 am
1 stop8h 05m
Boston Logan Intl
Tue 4/28
2:25 pm-10:30 pm
2 stops11h 05m
$330
Quickest round-trip
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Thu 5/28
4:10 pm-12:40 am
Nonstop5h 30m
Boston Logan Intl
Wed 6/3
7:30 pm-10:40 pm
Nonstop6h 10m
$333
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Tue 5/26
11:00 pm-7:35 am
Nonstop5h 35m
Boston Logan Intl
Thu 6/4
4:30 pm-11:53 pm
1 stop10h 23m
$351
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Fri 6/12
11:15 pm-7:35 am
Nonstop5h 20m
Boston Logan Intl
Sun 6/21
7:25 pm-10:49 pm
Nonstop6h 24m
$367
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Wed 6/3
6:00 am-7:40 pm
2 stops10h 40m
Boston Logan Intl
Sun 6/7
5:15 am-2:25 pm
1 stop12h 10m
$370
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Tue 6/2
3:30 pm-11:59 pm
Nonstop5h 29m
Boston Logan Intl
Mon 6/8
6:00 am-6:54 pm
1 stop15h 54m
$385
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Sat 5/16
11:39 pm-8:00 am
1 stop29h 21m
Boston Logan Intl
Sun 5/24
7:00 am-10:17 am
Nonstop6h 17m
$389
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Seattle to Massachusetts
Have a flexible travel schedule? Discover the best time to fly to Massachusetts from Seattle with our price prediction graph.
SEA-BOS
SEA-ALB
SEA-ACK
SEA-BDL
SEA-MVY
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 Seattle to Massachusetts
SEA-USMA
SEA-BOS
SEA-ALB
SEA-ACK
SEA-BDL
What is the cheapest month to book a flight from Seattle to Massachusetts?
Currently, October is the cheapest month in which you can book a flight from Seattle to Massachusetts (average of $118). Flying from Seattle to Massachusetts in January is currently the most expensive (average of $257). 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 SEA to MA?
Find hourly flight availability from Seattle to Massachusetts. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 4, 2026.
A simple way to save on the total cost of your ticket is to fly from Seattle to Massachusetts at noon. If you’re flexible enough to do this you can expect to save up to 46% on your trip compared to booking a flight in the morning.
What is the cheapest day to fly from Seattle to Massachusetts?
Use this chart to determine the cheapest time to fly round-trip from Seattle to Massachusetts. Price data was last updated on March 28, 2026.
Travelers seeking maximum savings on their Seattle to Massachusetts flight should consider departing on Saturday at noon when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Seattle to Massachusetts
Explore weekly flight availability from Seattle to Massachusetts. 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 April 4, 2026.
The most flights from SEA to USMA are scheduled on a Friday (20 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (13 on average).
How much does it cost to fly round-trip from Seattle to Massachusetts?
Reviews of airlines servicing Massachusetts
Get insights into the airlines that provide service to Massachusetts. 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 Massachusetts. Reviews last updated April 4, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andHawaiian Airlines from Seattle to Massachusetts by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Entertainment
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Dec 2025
SEA - MSY
Comfort
7.8
Entertainment
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Dec 2025
SEA - MSY
Comfort
7.8
Entertainment
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Dec 2025
SEA - MSY
Comfort
7.8
Entertainment
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Dec 2025
SEA - MSY
Comfort
7.8
Entertainment
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Dec 2025
SEA - MSY
Comfort
7.8
Entertainment
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Dec 2025
SEA - MSY
Related info for your journey
Find useful and relevant information for your journey from Seattle to Massachusetts. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Seattle to Massachusetts
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Massachusetts by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Massachusetts by cabin class
Find flights from Seattle to Massachusetts, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Massachusetts flights
Browse other Seattle and Massachusetts flight options. Last updated on April 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to Massachusetts flights
Consider these flights traveling from Seattle to Massachusetts.
Top 8 airlines flying from Seattle to Massachusetts
Discover the top 8 airlines that operate flights from Seattle to Massachusetts. 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 April 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$292 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$133 | Average$323 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$153 | Average$390 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$178 | Average$406 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$194 | Average$326 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$196 | Average$406 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$223 | Average$457 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$236 | Average$453 | FlexibilityNo cancel fee | On-time75% |