Cheap Flights from Seattle, WA to Boston, MA from $92
On Cheapflightsplus.com you will find 9 direct and 315 connecting flights from Seattle to Boston. You can compare airfare deals from 5 airlines and multiple travel sites from $92, book and save on cheap plane tickets and last minute offers. Also check out SEA-BOS flight schedule to find best flight time, convenient departure and arrival airports.
Find One-Way and Round-Trip Seattle to Boston Flight Deals
Best Flights from Seattle to Boston Today
Price | Departure | Arrival | Flight Duration | Airline | Flight |
---|---|---|---|---|---|
from $92 | 15:43 Seattle Seattle-Tacoma Intl | 23:59 Boston Logan | 5h 16m | Hawaiian Airlines | HA6627 |
from $92 | 23:40 Seattle Seattle-Tacoma Intl | 08:00+1 день Boston Logan | 5h 20m | Hawaiian Airlines | HA6628 |
from $95 | 23:40 Seattle Seattle-Tacoma Intl | 08:00+1 день Boston Logan | 5h 20m | Alaska Airlines | AS536 |
from $96 | 15:43 Seattle Seattle-Tacoma Intl | 23:59 Boston Logan | 5h 16m | Alaska Airlines | AS460 |
from $114 | 10:58 Seattle Seattle-Tacoma Intl | 19:19 Boston Logan | 5h 21m | Hawaiian Airlines | HA6629 |
from $117 | 10:26 Seattle Seattle-Tacoma Intl | 18:59 Boston Logan | 5h 33m | Alaska Airlines | AS506 |
from $150 | 10:58 Seattle Seattle-Tacoma Intl | 19:19 Boston Logan | 5h 21m | Alaska Airlines | AS818 |
from $180 | 08:21 Seattle Seattle-Tacoma Intl | 16:45 Boston Logan | 5h 24m | Hawaiian Airlines | HA6626 |
from $183 | 08:21 Seattle Seattle-Tacoma Intl | 16:45 Boston Logan | 5h 24m | Alaska Airlines | AS306 |
from $96 | 18:55 Seattle Seattle-Tacoma Intl | 07:30+1 день Boston Logan | 9h 35m layover 0h 58m - San Diego | Hawaiian Airlines | HA6880 HA6497 |
from $96 | 18:59 Seattle Seattle-Tacoma Intl | 07:40+1 день Boston Logan | 9h 41m layover 1h 0m - San Diego | Hawaiian Airlines | HA6608 HA6342 |
from $103 | 18:55 Seattle Seattle-Tacoma Intl | 07:30+1 день Boston Logan | 9h 35m layover 0h 58m - San Diego | Alaska Airlines | AS939 AS259 |
from $103 | 18:59 Seattle Seattle-Tacoma Intl | 07:40+1 день Boston Logan | 9h 41m layover 1h 0m - San Diego | Alaska Airlines | AS206 AS366 |
from $112 | 17:59 Seattle Seattle-Tacoma Intl | 07:40+1 день Boston Logan | 10h 41m layover 2h 0m - San Diego | Hawaiian Airlines | HA6882 HA6342 |
from $123 | 15:58 Seattle Seattle-Tacoma Intl | 09:03+1 день Boston Logan | 14h 5m layover 3h 28m - Las Vegas 0h 53m - Orlando | Spirit Airlines | NK2328 NK2297 NK2090 |
from $142 | 16:58 Seattle Seattle-Tacoma Intl | 22:12+1 день Boston Logan | 26h 14m layover 15h 50m - Las Vegas 1h 6m - Atlanta | Spirit Airlines | NK782 NK1203 NK1180 |
Flight Schedule Seattle (Washington) to Boston (Massachusetts)
Departure | Arrival | Flight Details | Flight Duration | Price |
---|---|---|---|---|
08:21 — 16:45
|
08:21 — 16:45
HA6626
Hawaiian Airlines
Seattle — Boston
|
5h 24m |
Find flight
from$180 |
|
08:21 — 16:45
|
08:21 — 16:45
AS306
Alaska Airlines
Seattle — Boston
|
5h 24m |
Find flight
from$183 |
|
10:26 — 18:59
|
10:26 — 18:59
AS506
Alaska Airlines
Seattle — Boston
|
5h 33m |
Find flight
from$117 |
|
10:58 — 19:19
|
10:58 — 19:19
HA6629
Hawaiian Airlines
Seattle — Boston
|
5h 21m |
Find flight
from$114 |
|
10:58 — 19:19
|
10:58 — 19:19
AS818
Alaska Airlines
Seattle — Boston
|
5h 21m |
Find flight
from$150 |
|
15:43 — 23:59
|
15:43 — 23:59
HA6627
Hawaiian Airlines
Seattle — Boston
|
5h 16m |
Find flight
from$92 |
|
15:43 — 23:59
|
15:43 — 23:59
AS460
Alaska Airlines
Seattle — Boston
|
5h 16m |
Find flight
from$96 |
|
23:40 — 08:00
+1 day
|
23:40 — 08:00
HA6628
Hawaiian Airlines
Seattle — Boston
|
5h 20m |
Find flight
from$92 |
|
23:40 — 08:00
+1 day
|
23:40 — 08:00
AS536
Alaska Airlines
Seattle — Boston
|
5h 20m |
Find flight
from$95 |
|
00:20 — 10:54
|
00:20 — 06:28
UA1832
United Airlines
Seattle — Chicago
59m stop
07:27 — 10:54
UA2067
United Airlines
Chicago — Boston
|
7h 34m including layover |
Find flight
from$133 |
|
00:20 — 12:50
|
00:20 — 06:28
UA1832
United Airlines
Seattle — Chicago
2h 47m stop
09:15 — 12:50
UA721
United Airlines
Chicago — Boston
|
9h 30m including layover |
Find flight
from$134 |
|
07:00 — 17:46
|
07:00 — 13:15
UA2618
United Airlines
Seattle — Chicago
1h stop
14:15 — 17:46
UA1693
United Airlines
Chicago — Boston
|
7h 46m including layover |
Find flight
from$132 |
|
07:00 — 18:03
|
07:00 — 13:14
UA1617
United Airlines
Seattle — Chicago
1h 11m stop
14:25 — 18:03
UA580
United Airlines
Chicago — Boston
|
8h 3m including layover |
Find flight
from$133 |
|
08:00 — 19:20
|
08:00 — 16:11
UA2398
United Airlines
Seattle — Washington D.C.
1h 22m stop
17:33 — 19:20
UA688
United Airlines
Washington D.C. — Boston
|
8h 20m including layover |
Find flight
from$133 |
|
08:57 — 19:53
|
08:57 — 12:43
UA1359
United Airlines
Seattle — Denver
1h 7m stop
13:50 — 19:53
UA1292
United Airlines
Denver — Boston
|
7h 56m including layover |
Find flight
from$133 |
|
11:11 — 23:46
|
11:11 — 14:58
UA1049
United Airlines
Seattle — Denver
2h 45m stop
17:43 — 23:46
UA1691
United Airlines
Denver — Boston
|
9h 35m including layover |
Find flight
from$134 |
|
11:55 — 22:53
|
11:55 — 20:25
UA2467
United Airlines
Seattle — Newark
1h 5m stop
21:30 — 22:53
UA1386
United Airlines
Newark — Boston
|
7h 58m including layover |
Find flight
from$132 |
|
12:43 — 23:46
|
12:43 — 16:30
UA1417
United Airlines
Seattle — Denver
1h 13m stop
17:43 — 23:46
UA1691
United Airlines
Denver — Boston
|
8h 3m including layover |
Find flight
from$134 |
|
12:43 — 23:46
|
12:43 — 16:30
UA1969
United Airlines
Seattle — Denver
1h 13m stop
17:43 — 23:46
UA1488
United Airlines
Denver — Boston
|
8h 3m including layover |
Find flight
from$137 |
|
13:55 — 00:52
+1 day
|
13:55 — 20:10
UA1298
United Airlines
Seattle — Chicago
1h 12m stop
21:22 — 00:52
UA1779
United Airlines
Chicago — Boston
|
7h 57m including layover |
Find flight
from$132 |
|
13:55 — 00:45
+1 day
|
13:49 — 20:05
UA2665
United Airlines
Seattle — Chicago
1h 5m stop
21:30 — 00:59
UA1779
United Airlines
Chicago — Boston
|
7h 50m including layover |
Find flight
from$133 |
|
17:59 — 07:40
+1 day
|
17:59 — 20:45
HA6882
Hawaiian Airlines
Seattle — San Diego
2h stop
22:45 — 07:40
HA6342
Hawaiian Airlines
San Diego — Boston
|
10h 41m including layover |
Find flight
from$112 |
|
17:59 — 07:40
+1 day
|
17:59 — 20:45
AS1098
Alaska Airlines
Seattle — San Diego
2h stop
22:45 — 07:40
AS366
Alaska Airlines
San Diego — Boston
|
10h 41m including layover |
Find flight
from$120 |
|
18:55 — 07:30
+1 day
|
18:55 — 21:47
HA6880
Hawaiian Airlines
Seattle — San Diego
58m stop
22:45 — 07:30
HA6497
Hawaiian Airlines
San Diego — Boston
|
9h 35m including layover |
Find flight
from$96 |
|
18:59 — 07:40
+1 day
|
18:59 — 21:45
HA6608
Hawaiian Airlines
Seattle — San Diego
1h stop
22:45 — 07:40
HA6342
Hawaiian Airlines
San Diego — Boston
|
9h 41m including layover |
Find flight
from$96 |
|
19:00 — 05:59
+1 day
|
19:00 — 22:51
UA1218
United Airlines
Seattle — Denver
1h 19m stop
23:59 — 06:01
UA2610
United Airlines
Denver — Boston
|
7h 59m including layover |
Find flight
from$133 |
|
19:02 — 06:01
+1 day
|
19:00 — 22:51
UA757
United Airlines
Seattle — Denver
1h 6m stop
23:59 — 06:01
UA297
United Airlines
Denver — Boston
|
7h 59m including layover |
Find flight
from$133 |
|
22:15 — 10:21
+1 day
|
22:15 — 06:12
UA2402
United Airlines
Seattle — Washington D.C.
2h 28m stop
08:40 — 10:21
UA641
United Airlines
Washington D.C. — Boston
|
9h 6m including layover |
Find flight
from$134 |
|
22:50 — 09:09
+1 day
|
22:50 — 07:06
UA341
United Airlines
Seattle — Newark
49m stop
07:55 — 09:09
UA1127
United Airlines
Newark — Boston
|
7h 19m including layover |
Find flight
from$132 |
|
06:00 — 09:09
+1 day
|
06:00 — 08:31
NK2626
Spirit Airlines
Seattle — Las Vegas
13h 23m stop
21:54 — 05:25
NK2297
Spirit Airlines
Las Vegas — Orlando
42m stop
06:07 — 09:09
NK2090
Spirit Airlines
Orlando — Boston
|
24h 9m including layover |
Find flight
from$123 |
|
06:00 — 14:44
+1 day
|
06:00 — 08:31
NK2626
Spirit Airlines
Seattle — Las Vegas
12h 53m stop
21:24 — 05:14
NK954
Spirit Airlines
Las Vegas — Miami
6h 15m stop
12:29 — 15:44
NK2126
Spirit Airlines
Miami — Boston
|
29h 44m including layover |
Find flight
from$123 |
Flight Information
Below we will explain in detail what the flights cost on the destination from Seattle to Boston depends on and how to choose the most interesting flight option for you.
Distance between Seattle and Boston is 4005 miles. Time difference between the cities is 3h. Airplanes depart 00:17 to 23:59 from 3 Seattle airports and arrive 00:17 to 23:59 to 4 Boston airports. Average flight time is 5h 21m.
- The fastest flight 5h 16m
- Average flight time 5h 21m
- The earliest flight 00:17
- The latest flight 23:59
- Distance 2489 ml
The cheapest months to travel to Boston are may (from 123 $), july (from 123 $), june (from 123 $).
The most expensive months are december (from 303 $), september (from 177 $), october (from 177 $).
What is the lowest airfare Seattle to Boston?
The cheapest plane ticket found by our users is $92. This airfare is for economy class on one-way HA6627 flight by Hawaiian Airlines for June 6, 2025 which leaves Seattle-Tacoma Intl in Seattle at 15:43 am and arrives at Boston Logan at 23:59.
Popular Airlines on the Route
The flight Seattle — Boston is served by 5 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 53 departures per week at the price of from $ 95 . And the most expensive tickets are offered by United Airlines airline - from $ 477.
Direct flights
There are 9 nonstop flights on the route. The fastest direct flight is HA6627 by Hawaiian Airlines takes 5h 16m and the cheapest is HA6627 by Hawaiian Airlines for $92.
- AS - Alaska Airlinesfrom $95Find
- HA - Hawaiian Airlinesfrom $92Find
Connecting Flights
There are 315 flights with layovers on the route. The fastest connecting flight is HA6833 by Hawaiian Airlines takes 7h and the cheapest is HA6627 by Hawaiian Airlines for $96.
- AS - Alaska Airlinesfrom $103Find
- SY - Sun Country Airlinesfrom $146Find
- HA - Hawaiian Airlinesfrom $96Find
- UA - United Airlinesfrom $132Find
- NK - Spirit Airlinesfrom $123Find
Airports
You can fly from Seattle to Boston from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).
Seattle airports
- Boeing Field International Airport-BFIFind
- Seattle-Tacoma Intl-SEAfrom $92Find
- Kenmore Air Harbor SPB-LKEFind
Boston airports
- Boston City Heliport-JBCFind
- Boston RT128 Rail-ZRUFind
- Boston South Rail-ZTOFind
- Logan-BOSFind
Airplanes
There are flights to Boston from Seattle by 5 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Seattle
You may also consider searching for discounted plane tickets to some other popular places from Seattle within United States.
- from $78Find
- from $62Find
- from $180Find
- from $73Find
- from $67Find
- from $74Find
- from $53Find
- from $243Find
- from $72Find
- from $63Find
Top International Destinations from Seattle
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
- from $77Find
- from $70Find
- from $57Find
- from $63Find
- from $66Find
- from $64Find
- from $76Find
- from $80Find
- from $68Find
- from $64Find
How to book a plane ticket yourself?

- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
To find a plane ticket, please select dates.