$143+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BOS
Aug 6 — Aug 131
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Seattle to Massachusetts 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.Cheap flight deals from Seattle to Massachusetts
Cheapest
Best
Last-minute
One-way
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 July 7, 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 July 7, 2026.
This Delta deal was found by Cheapflights users on 7/2. 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.
Wed 10/711:45 am
SEA
- ALB
1 stop9h 11m
Delta
Tue 10/136:20 am
ALB
- SEA
1 stop10h 23m
Delta
Deal found 7/2![Delta logo]()
$301
This Delta deal was found by Cheapflights users on 7/2. 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.
Sat 9/511:13 pm
SEA
- BOS
Nonstop5h 22m
Delta
Wed 9/167:45 pm
BOS
- SEA
Nonstop6h 15m
Delta
Deal found 7/2![Delta logo]()
$317
This Cheapflightsfares deal was found by Cheapflights users on 7/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:55 pm
SEA
- BOS
Nonstop5h 24m
JetBlue
Mon 9/2811:20 am
BOS
- SEA
1 stop12h 22m
JetBlue
Deal found 7/2![JetBlue logo]()
$318
This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:12 am
SEA
- ALB
1 stop9h 33m
American Airlines
Thu 10/297:20 pm
ALB
- SEA
1 stop8h 15m
American Airlines
Deal found 7/2![American Airlines logo]()
$319
This Cheapflightsfares deal was found by Cheapflights users on 7/1. 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.
Fri 9/1811:55 pm
SEA
- BOS
Nonstop5h 24m
JetBlue
Mon 9/216:59 pm
BOS
- SEA
Nonstop6h 39m
JetBlue
Deal found 7/1![JetBlue logo]()
$319
This JetBlue deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/2811:45 pm
SEA
- BOS
Nonstop5h 19m
JetBlue
Sat 9/512:42 pm
BOS
- SEA
1 stop11h 26m
JetBlue
Deal found 7/6![JetBlue logo]()
$320
This JetBlue deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 9/511:40 pm
SEA
- BOS
Nonstop5h 19m
JetBlue
Fri 9/186:59 pm
BOS
- SEA
Nonstop6h 39m
JetBlue
Deal found 7/5![JetBlue logo]()
$322
This Southwest deal was found by Cheapflights users on 7/2. 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.
Sat 10/249:10 am
SEA
- ALB
1 stop7h 05m
Southwest
Thu 10/291:15 pm
ALB
- SEA
2 stops12h 35m
Southwest
Deal found 7/2![Southwest logo]()
$324
This Cheapflightsfares deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 9/2411:55 pm
SEA
- BOS
Nonstop5h 24m
JetBlue
Sun 9/276:59 pm
BOS
- SEA
Nonstop6h 39m
JetBlue
Deal found 7/6![JetBlue logo]()
$324
This flygcity.se deal was found by Cheapflights users on 7/3. 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 flygcity.se is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1311:40 am
SEA
- BOS
Nonstop5h 29m
JetBlue
Wed 8/197:09 am
BOS
- SEA
Nonstop6h 21m
JetBlue
Deal found 7/3![JetBlue logo]()
$325
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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.
Wed 9/96:51 pm
SEA
- BOS
1 stop8h 18m
Alaska Airlines
Tue 9/227:59 pm
BOS
- SEA
Nonstop6h 13m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$327
This Cheapflightsfares deal was found by Cheapflights users on 7/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:55 pm
SEA
- BOS
Nonstop5h 24m
JetBlue
Tue 10/136:59 pm
BOS
- SEA
Nonstop6h 39m
JetBlue
Deal found 7/2![JetBlue logo]()
$329
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 July 7, 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 July 7, 2026.
This JetBlue deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 10/910:15 pm
SEA
- BOS
1 stop9h 31m
JetBlue
Sat 10/176:59 pm
BOS
- SEA
Nonstop6h 39m
JetBlue
Deal found 7/6![JetBlue logo]()
$326
This United Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 10/3011:03 pm
SEA
- BOS
1 stop7h 36m
United Airlines
Sat 11/72:35 pm
BOS
- SEA
1 stop9h 03m
United Airlines
Deal found 7/4![United Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 10/247:50 am
SEA
- BOS
1 stop9h 20m
Southwest
Tue 11/31:15 pm
BOS
- SEA
2 stops13h 15m
Southwest
Deal found 7/4![Southwest logo]()
$342
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 9/1611:05 pm
SEA
- BDL
1 stop6h 38m
Delta
Wed 9/235:55 pm
BDL
- SEA
1 stop9h 04m
Delta
Deal found 7/4![Delta logo]()
$365
This American Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 8/189:58 pm
SEA
- HYA
1 stop11h 14m
American Airlines
Tue 8/2512:42 pm
HYA
- SEA
1 stop13h 14m
American Airlines
Deal found 7/5![American Airlines logo]()
$560
This Expedia deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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.
Sun 9/66:00 am
SEA
- ACK
2 stops8h 30m
Multiple Airlines
Wed 9/911:25 am
ACK
- SEA
1 stop12h 17m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$655
This Southwest deal was found by Cheapflights users on 7/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:10 am
SEA
- BOS
2 stops10h 20m
Southwest
Mon 11/97:05 am
BOS
- SEA
1 stop9h 10m
Southwest
Deal found 7/3![Southwest logo]()
$352
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 10/611:05 pm
SEA
- BDL
1 stop6h 43m
Delta
Tue 10/207:10 pm
BDL
- SEA
1 stop7h 49m
Delta
Deal found 7/6![Delta logo]()
$365
This JetBlue deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/2511:45 pm
SEA
- ACK
1 stop7h 37m
JetBlue
Fri 8/2812:02 pm
ACK
- SEA
1 stop12h 06m
JetBlue
Deal found 7/4![JetBlue logo]()
$370
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 9/1711:05 pm
SEA
- BOS
1 stop6h 55m
Southwest
Sun 9/208:00 am
BOS
- SEA
1 stop13h 05m
Southwest
Deal found 7/4![Southwest logo]()
$352
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Wed 9/307:11 am
SEA
- BOS
1 stop10h 51m
United Airlines
Sat 10/39:23 am
BOS
- SEA
2 stops14h 14m
United Airlines
Deal found 7/1![United Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 9/126:00 am
SEA
- BDL
1 stop7h 28m
Delta
Wed 9/235:13 pm
BDL
- SEA
1 stop7h 57m
Delta
Deal found 7/4![Delta logo]()
$365
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 9/79:10 am
SEA
- BOS
1 stop12h 15m
Southwest
Fri 9/113:55 pm
BOS
- SEA
1 stop11h 00m
Southwest
Deal found 7/4![Southwest logo]()
$367
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:13 pm
SEA
- BOS
Nonstop5h 22m
Delta
Tue 8/257:45 am
BOS
- SEA
Nonstop6h 23m
Delta
Deal found 7/6![Delta logo]()
$387
This JetBlue deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1311:40 am
SEA
- ACK
1 stop22h 23m
JetBlue
Wed 8/193:33 pm
ACK
- SEA
1 stop10h 20m
JetBlue
Deal found 7/4![JetBlue logo]()
$434
This Southwest deal was found by Cheapflights users on 7/2. 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 10/2312:10 am
SEA
- ALB
2 stops9h 05m
Southwest
Thu 10/291:15 pm
ALB
- SEA
2 stops12h 35m
Southwest
Deal found 7/2![Southwest logo]()
$379
This Delta deal was found by Cheapflights users on 7/3. 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.
Wed 8/1911:13 pm
SEA
- BOS
Nonstop5h 22m
Delta
Wed 8/264:05 pm
BOS
- SEA
Nonstop6h 35m
Delta
Deal found 7/3![Delta logo]()
$387
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/1811:05 pm
SEA
- ALB
2 stops10h 10m
Southwest
Tue 8/253:05 pm
ALB
- SEA
2 stops11h 20m
Southwest
Deal found 7/4![Southwest logo]()
$379
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:13 pm
SEA
- ALB
1 stop8h 26m
United Airlines
Sat 10/176:00 am
ALB
- SEA
1 stop8h 27m
United Airlines
Deal found 7/6![United Airlines logo]()
$511
This Southwest deal was found by Cheapflights users on 7/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:20 am
SEA
- ALB
2 stops9h 10m
Southwest
Wed 8/263:05 pm
ALB
- SEA
2 stops11h 00m
Southwest
Deal found 7/3![Southwest logo]()
$379
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:30 am
SEA
- BDL
1 stop7h 51m
Delta
Tue 9/112:55 pm
BDL
- SEA
1 stop8h 50m
Delta
Deal found 7/5![Delta logo]()
$432
This American Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/1311:56 pm
SEA
- ACK
2 stops9h 27m
American Airlines
Wed 8/193:41 pm
ACK
- SEA
1 stop10h 15m
American Airlines
Deal found 7/4![American Airlines logo]()
$638
This Priceline deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2111:46 pm
SEA
- ACK
1 stop7h 36m
JetBlue
Sat 7/253:32 pm
ACK
- SEA
1 stop9h 59m
JetBlue
Deal found 7/6![JetBlue logo]()
$534
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/3111:05 pm
SEA
- BOS
2 stops10h 35m
Southwest
Sat 9/51:00 pm
BOS
- SEA
2 stops11h 30m
Southwest
Deal found 7/4![Southwest logo]()
$382
This American Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/410:35 pm
SEA
- HYA
1 stop10h 37m
American Airlines
Tue 8/1112:42 pm
HYA
- SEA
2 stops14h 17m
American Airlines
Deal found 7/6![American Airlines logo]()
$645
This Expedia deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 8/1810:13 pm
SEA
- HYA
1 stop14h 00m
Multiple Airlines
Tue 8/256:00 am
HYA
- SEA
2 stops18h 08m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$743
This Southwest deal was found by Cheapflights users on 7/1. 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.
Fri 8/217:25 pm
SEA
- BOS
2 stops11h 30m
Southwest
Thu 8/273:55 pm
BOS
- SEA
1 stop11h 00m
Southwest
Deal found 7/1![Southwest logo]()
$393
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:05 pm
SEA
- BDL
1 stop6h 38m
Delta
Thu 9/245:30 am
BDL
- SEA
2 stops19h 35m
Delta
Deal found 7/4![Delta logo]()
$510
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/2510:58 pm
SEA
- ACK
1 stop7h 14m
United Airlines
Fri 8/284:15 pm
ACK
- SEA
3 stops26h 14m
United Airlines
Deal found 7/6![United Airlines logo]()
$680
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:25 pm
SEA
- ALB
2 stops11h 30m
Southwest
Wed 9/26:20 pm
ALB
- SEA
1 stop8h 15m
Southwest
Deal found 7/6![Southwest logo]()
$394
Last-minute flights from Seattle to MassachusettsDiscover last-minute flight deals from Seattle to Massachusetts. Data last updated July 7, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Massachusetts. Data last updated July 7, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/116:21 am
SEA
- BOS
1 stop20h 19m
Multiple Airlines
Tue 8/187:09 am
BOS
- SEA
Nonstop6h 21m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$333
This Cheapflightsfares deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/1210:13 pm
SEA
- BOS
1 stop10h 12m
JetBlue
Wed 8/197:09 am
BOS
- SEA
Nonstop6h 21m
JetBlue
Deal found 7/6![JetBlue logo]()
$318
This JetBlue deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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.
Wed 8/1210:13 pm
SEA
- BOS
1 stop10h 12m
JetBlue
Tue 8/187:09 am
BOS
- SEA
Nonstop6h 21m
JetBlue
Deal found 7/5![JetBlue logo]()
$326
This Expedia deal was found by Cheapflights users on 7/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:21 am
SEA
- BOS
1 stop20h 19m
Alaska Airlines
Wed 8/197:59 pm
BOS
- SEA
Nonstop6h 13m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$327
This flygcity.se deal was found by Cheapflights users on 7/3. 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 flygcity.se is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1311:40 am
SEA
- BOS
Nonstop5h 29m
JetBlue
Wed 8/197:09 am
BOS
- SEA
Nonstop6h 21m
JetBlue
Deal found 7/3![JetBlue logo]()
$325
This SmartFares deal was found by Cheapflights users on 7/2. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:40 am
SEA
- BOS
Nonstop5h 29m
JetBlue
Wed 8/2612:44 pm
BOS
- SEA
1 stop11h 24m
JetBlue
Deal found 7/2![JetBlue logo]()
$319
This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:10 am
SEA
- BOS
1 stop8h 36m
American Airlines
Fri 8/285:07 pm
BOS
- SEA
1 stop8h 49m
American Airlines
Deal found 7/2![American Airlines logo]()
$331
This Cheapflightsfares deal was found by Cheapflights users on 7/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:45 pm
SEA
- BOS
Nonstop5h 19m
JetBlue
Tue 9/112:57 pm
BOS
- SEA
1 stop11h 11m
JetBlue
Deal found 7/2![JetBlue logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 8/268:53 pm
SEA
- BDL
1 stop30h 22m
Multiple Airlines
Sun 8/305:40 pm
BDL
- SEA
1 stop19h 59m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$343
This JetBlue deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:45 pm
SEA
- BOS
Nonstop5h 19m
JetBlue
Wed 9/212:57 pm
BOS
- SEA
1 stop11h 11m
JetBlue
Deal found 7/4![JetBlue logo]()
$322
This JetBlue deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/2811:45 pm
SEA
- BOS
Nonstop5h 19m
JetBlue
Tue 9/151:00 pm
BOS
- SEA
1 stop10h 42m
JetBlue
Deal found 7/6![JetBlue logo]()
$320
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Sun 8/3011:00 pm
SEA
- BOS
1 stop7h 36m
United Airlines
Sat 9/59:20 am
BOS
- SEA
1 stop9h 54m
United Airlines
Deal found 7/2![United Airlines logo]()
$328
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 July 7, 2026.
Search for one-way flight options from Seattle to Massachusetts. Find affordable one-way fares based on user searches. Data last updated July 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/249:29 pm
SEA
- BDL
1 stop29h 51m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$143
This Delta deal was found by Cheapflights users on 7/2. 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.
Tue 8/259:45 pm
SEA
- ALB
1 stop10h 52m
Delta
Deal found 7/2![Delta logo]()
$151
This Southwest deal was found by Cheapflights users on 7/2. 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 8/2510:30 pm
SEA
- ALB
1 stop12h 50m
Southwest
Deal found 7/2![Southwest logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/58:13 pm
SEA
- BDL
2 stops23h 29m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/319:29 pm
SEA
- ALB
3 stops57h 56m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$166
This Southwest deal was found by Cheapflights users on 7/2. 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 8/2610:30 pm
SEA
- ALB
1 stop8h 00m
Southwest
Deal found 7/2![Southwest logo]()
$169
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Wed 7/1510:35 pm
SEA
- BOS
1 stop7h 08m
American Airlines
Deal found 7/1![American Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/249:29 pm
SEA
- ALB
3 stops57h 56m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$176
This Cheapflightsfares deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 10/811:55 pm
SEA
- BOS
Nonstop5h 24m
JetBlue
Deal found 7/6![JetBlue logo]()
$177
This iWofly deal was found by Cheapflights users on 7/2. 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.
Sun 10/1811:55 pm
SEA
- BOS
Nonstop5h 24m
JetBlue
Deal found 7/2![JetBlue logo]()
$178
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 9/105:15 am
SEA
- BOS
2 stops10h 10m
Southwest
Deal found 7/6![Southwest logo]()
$179
This Super.com deal was found by Cheapflights users on 7/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:45 pm
SEA
- BOS
Nonstop5h 19m
JetBlue
Deal found 7/3![JetBlue logo]()
$181
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 July 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $301 (Delta) |
One-way from | $143 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $437 |
Good round-trip deal | $375 or less |
Good one-way deal | $215 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 July 7, 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
Fri 10/9
10:15 pm-10:46 am
1 stop9h 31m
Boston Logan Intl
Sat 10/17
6:59 pm-10:38 pm
Nonstop6h 39m
$326
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Fri 10/30
11:03 pm-9:39 am
1 stop7h 36m
Boston Logan Intl
Sat 11/7
2:35 pm-8:38 pm
1 stop9h 03m
$337
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Sat 10/24
7:50 am-8:10 pm
1 stop9h 20m
Boston Logan Intl
Tue 11/3
1:15 pm-11:30 pm
2 stops13h 15m
$342
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Mon 11/2
9:10 am-10:30 pm
2 stops10h 20m
Boston Logan Intl
Mon 11/9
7:05 am-1:15 pm
1 stop9h 10m
$352
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Thu 9/17
11:05 pm-9:00 am
1 stop6h 55m
Boston Logan Intl
Sun 9/20
8:00 am-6:05 pm
1 stop13h 05m
$352
SeattleHartford
SEA - BDL
SEABDL
Seattle/Tacoma Intl
Wed 9/16
11:05 pm-8:43 am
1 stop6h 38m
Hartford Bradley Intl
Wed 9/23
5:55 pm-11:59 pm
1 stop9h 04m
$365
SeattleHartford
SEA - BDL
SEABDL
Seattle/Tacoma Intl
Tue 10/6
11:05 pm-8:48 am
1 stop6h 43m
Hartford Bradley Intl
Tue 10/20
7:10 pm-11:59 pm
1 stop7h 49m
$365
SeattleHartford
SEA - BDL
SEABDL
Seattle/Tacoma Intl
Sat 9/12
6:00 am-4:28 pm
1 stop7h 28m
Hartford Bradley Intl
Wed 9/23
5:13 pm-10:10 pm
1 stop7h 57m
$365
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Mon 9/7
9:10 am-12:25 am
1 stop12h 15m
Boston Logan Intl
Fri 9/11
3:55 pm-11:55 pm
1 stop11h 00m
$367
SeattleNantucket
SEA - ACK
SEAACK
Seattle/Tacoma Intl
Tue 8/25
11:45 pm-10:22 am
1 stop7h 37m
Nantucket Memorial
Fri 8/28
12:02 pm-9:08 pm
1 stop12h 06m
$370
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-ALB
SEA-BOS
SEA-BDL
SEA-MVY
SEA-HYA
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-ALB
SEA-BOS
SEA-BDL
SEA-MVY
What is the cheapest month to book a flight from Seattle to Massachusetts?
Currently, March is the cheapest month in which you can book a flight from Seattle to Massachusetts (average of $98). Flying from Seattle to Massachusetts in December is currently the most expensive (average of $964). 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 July 7, 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 43% on your trip compared to booking a flight in the morning.
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 July 7, 2026.
The most flights from SEA to USMA are scheduled on a Monday (38 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (20 on average).
How much does it cost to fly round-trip from Seattle to Massachusetts?
How far ahead should I book a flight from Seattle to Massachusetts?
The price you pay for your flight from Seattle to Massachusetts may vary depending on when you book. For the best chance of a lower fare, look to book 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 July 4, 2026.
Travelers seeking maximum savings on their Seattle to Massachusetts flight should consider departing on Wednesday at noon 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 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 July 7, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited 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.
Food
7.0
Entertainment
7.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Entertainment
7.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Entertainment
7.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Entertainment
7.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Entertainment
7.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Entertainment
7.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
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 July 7, 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 July 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$293 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$143 | Average$366 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$168 | Average$420 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$178 | Average$416 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$194 | Average$357 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$196 | Average$387 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$228 | Average$461 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$233 | Average$457 | FlexibilityNo cancel fee | On-time83% |