Cheap Flights from Seattle, WA to Boston, MA from $87
On Cheapflightsplus.com you will find 9 direct and 576 connecting flights from Seattle to Boston. You can compare airfare deals from 9 airlines and multiple travel sites from $87, 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 $87 | 11:40 Seattle Seattle-Tacoma Intl | 20:05 Boston Logan | 5h 25m | JetBlue | B6498 |
from $108 | 07:00 Seattle Seattle-Tacoma Intl | 15:13 Boston Logan | 5h 13m | Alaska Airlines | AS306 |
from $143 | 21:40 Seattle Seattle-Tacoma Intl | 05:47+1 день Boston Logan | 5h 7m | Alaska Airlines | AS424 |
from $148 | 23:29 Seattle Seattle-Tacoma Intl | 07:55+1 день Boston Logan | 5h 26m | Delta Air Lines Inc. | DL473 |
from $148 | 15:49 Seattle Seattle-Tacoma Intl | 23:59 Boston Logan | 5h 10m | Alaska Airlines | AS460 |
from $148 | 07:30 Seattle Seattle-Tacoma Intl | 16:02 Boston Logan | 5h 32m | Delta Air Lines Inc. | DL459 |
from $209 | 15:49 Seattle Seattle-Tacoma Intl | 23:59 Boston Logan | 5h 10m | American Airlines | AA7432 |
from $224 | 23:30 Seattle Seattle-Tacoma Intl | 07:44+1 день Boston Logan | 5h 14m | Alaska Airlines | AS536 |
from $109 | 17:28 Seattle Seattle-Tacoma Intl | 05:18+1 день Boston Logan | 8h 50m layover 1h 20m - Las Vegas | Spirit Airlines | NK204 NK3924 |
from $110 | 08:35 Seattle Seattle-Tacoma Intl | 18:54 Boston Logan | 7h 19m layover 1h 5m - Portland | Alaska Airlines | AS2184 AS358 |
from $130 | 21:59 Seattle Seattle-Tacoma Intl | 15:29+1 день Boston Logan | 14h 30m layover 8h 6m - Portland | Alaska Airlines | AS955 AS358 |
from $146 | 07:35 Seattle Seattle-Tacoma Intl | 18:54 Boston Logan | 8h 19m layover 2h 4m - Portland | Alaska Airlines | AS2114 AS358 |
from $149 | 11:40 Seattle Seattle-Tacoma Intl | 23:52 Boston Logan | 9h 12m layover 1h 23m - Phoenix | American Airlines | AA5004 AA567 |
from $149 | 06:16 Seattle Seattle-Tacoma Intl | 20:23 Boston Logan | 11h 7m layover 3h 23m - Phoenix | American Airlines | AA4864 AA2059 |
from $132 | 06:11 Seattle Seattle-Tacoma Intl | 21:07 Boston Logan | 11h 56m layover 1h 34m - Los Angeles 0h 55m - Baltimore | Spirit Airlines | NK1491 NK2074 NK2075 |
from $148 | 23:59 Seattle Seattle-Tacoma Intl | 15:05+1 день Boston Logan | 12h 6m layover 2h 21m - Charlotte 1h 53m - Philadelphia | American Airlines | AA2793 AA1714 AA1453 |
Flight Schedule Seattle (Washington) to Boston (Massachusetts)
Departure | Arrival | Flight Details | Flight Duration | Price |
---|---|---|---|---|
07:00 — 15:13
|
07:00 — 15:13
AS306
Alaska Airlines
Seattle — Boston
|
5h 13m |
Find flight
from$108 |
|
07:30 — 16:02
|
07:30 — 16:02
DL459
Delta Air Lines Inc.
Seattle — Boston
|
5h 32m |
Find flight
from$148 |
|
10:39 — 18:59
|
10:39 — 18:59
AA7487
American Airlines
Seattle — Boston
|
5h 20m |
Find flight
from$209 |
|
11:40 — 20:05
|
11:40 — 20:05
B6498
JetBlue
Seattle — Boston
|
5h 25m |
Find flight
from$87 |
|
15:49 — 23:59
|
15:49 — 23:59
AS460
Alaska Airlines
Seattle — Boston
|
5h 10m |
Find flight
from$148 |
|
15:49 — 23:59
|
15:49 — 23:59
AA7432
American Airlines
Seattle — Boston
|
5h 10m |
Find flight
from$209 |
|
21:40 — 05:47
+1 day
|
21:40 — 05:47
AS424
Alaska Airlines
Seattle — Boston
|
5h 7m |
Find flight
from$143 |
|
23:29 — 07:55
+1 day
|
23:29 — 07:55
DL473
Delta Air Lines Inc.
Seattle — Boston
|
5h 26m |
Find flight
from$148 |
|
23:30 — 07:44
+1 day
|
23:30 — 07:44
AS536
Alaska Airlines
Seattle — Boston
|
5h 14m |
Find flight
from$224 |
|
00:25 — 11:23
|
00:25 — 06:29
AA2818
American Airlines
Seattle — Chicago
1h 41m stop
08:10 — 11:23
AA314
American Airlines
Chicago — Boston
|
7h 58m including layover |
Find flight
from$207 |
|
05:36 — 19:28
|
05:36 — 07:50
UA1954
United Airlines
Seattle — San Francisco
3h stop
10:50 — 19:28
UA2259
United Airlines
San Francisco — Boston
|
10h 52m including layover |
Find flight
from$196 |
|
06:16 — 20:23
|
06:16 — 10:15
AA4864
American Airlines
Seattle — Phoenix
3h 23m stop
13:38 — 20:23
AA2059
American Airlines
Phoenix — Boston
|
11h 7m including layover |
Find flight
from$149 |
|
07:35 — 18:54
|
07:35 — 08:29
AS2114
Alaska Airlines
Seattle — Portland
2h 4m stop
10:33 — 18:54
AS358
Alaska Airlines
Portland — Boston
|
8h 19m including layover |
Find flight
from$146 |
|
08:05 — 18:47
|
08:05 — 16:03
UA2855
United Airlines
Seattle — Washington D.C.
1h 7m stop
17:10 — 18:47
UA688
United Airlines
Washington D.C. — Boston
|
7h 42m including layover |
Find flight
from$187 |
|
08:35 — 18:54
|
08:35 — 09:28
AS2184
Alaska Airlines
Seattle — Portland
1h 5m stop
10:33 — 18:54
AS358
Alaska Airlines
Portland — Boston
|
7h 19m including layover |
Find flight
from$110 |
|
09:19 — 23:39
|
09:19 — 13:04
F93406
Frontier Airlines
Seattle — Denver
4h 43m stop
17:47 — 23:39
UA2292
United Airlines
Denver — Boston
|
11h 20m including layover |
Find flight
from$191 |
|
09:19 — 05:51
+1 day
|
09:19 — 13:04
F93406
Frontier Airlines
Seattle — Denver
10h 55m stop
23:59 — 05:51
UA2610
United Airlines
Denver — Boston
|
17h 32m including layover |
Find flight
from$191 |
|
11:40 — 23:52
|
11:40 — 15:45
AA5004
American Airlines
Seattle — Phoenix
1h 23m stop
17:08 — 23:52
AA567
American Airlines
Phoenix — Boston
|
9h 12m including layover |
Find flight
from$149 |
|
12:30 — 23:39
|
12:30 — 16:14
UA431
United Airlines
Seattle — Denver
1h 33m stop
17:47 — 23:39
UA2292
United Airlines
Denver — Boston
|
8h 9m including layover |
Find flight
from$202 |
|
12:47 — 23:59
|
12:47 — 20:45
UA2275
United Airlines
Seattle — Washington D.C.
1h 37m stop
22:22 — 23:59
UA755
United Airlines
Washington D.C. — Boston
|
8h 12m including layover |
Find flight
from$152 |
|
13:59 — 16:23
+1 day
|
13:59 — 16:16
AS1304
Alaska Airlines
Seattle — San Francisco
15h 29m stop
07:45 — 16:23
AS356
Alaska Airlines
San Francisco — Boston
|
23h 24m including layover |
Find flight
from$174 |
|
14:00 — 04:53
+1 day
|
14:00 — 16:17
UA375
United Airlines
Seattle — San Francisco
3h 58m stop
20:15 — 04:53
UA2488
United Airlines
San Francisco — Boston
|
11h 53m including layover |
Find flight
from$193 |
|
16:23 — 04:53
+1 day
|
16:23 — 18:40
UA737
United Airlines
Seattle — San Francisco
1h 35m stop
20:15 — 04:53
UA2488
United Airlines
San Francisco — Boston
|
9h 30m including layover |
Find flight
from$193 |
|
17:28 — 05:18
+1 day
|
17:28 — 19:55
NK204
Spirit Airlines
Seattle — Las Vegas
1h 20m stop
21:15 — 05:18
NK3924
Spirit Airlines
Las Vegas — Boston
|
8h 50m including layover |
Find flight
from$109 |
|
18:20 — 08:03
+1 day
|
18:20 — 20:37
UA436
United Airlines
Seattle — San Francisco
2h 48m stop
23:25 — 08:03
UA2495
United Airlines
San Francisco — Boston
|
10h 43m including layover |
Find flight
from$152 |
|
18:59 — 10:34
+1 day
|
18:39 — 23:59
SY286
Sun Country Airlines
Seattle — Minneapolis
6h 28m stop
06:54 — 10:41
SY251
Sun Country Airlines
Minneapolis — Boston
|
12h 35m including layover |
Find flight
from$163 |
|
20:49 — 16:23
+1 day
|
19:58 — 22:07
AS1014
Alaska Airlines
Seattle — San Francisco
8h 41m stop
07:40 — 16:20
AS356
Alaska Airlines
San Francisco — Boston
|
16h 34m including layover |
Find flight
from$165 |
|
21:59 — 15:29
+1 day
|
21:59 — 22:55
AS955
Alaska Airlines
Seattle — Portland
8h 6m stop
10:33 — 18:54
AS358
Alaska Airlines
Portland — Boston
|
14h 30m including layover |
Find flight
from$130 |
|
22:51 — 15:29
+1 day
|
22:50 — 23:44
AS957
Alaska Airlines
Seattle — Portland
7h 17m stop
10:33 — 18:54
AS358
Alaska Airlines
Portland — Boston
|
13h 38m including layover |
Find flight
from$165 |
|
00:25 — 15:05
|
00:25 — 06:29
AA2818
American Airlines
Seattle — Chicago
3h 26m stop
09:55 — 12:51
AA2098
American Airlines
Chicago — Philadelphia
49m stop
13:40 — 15:05
AA1453
American Airlines
Philadelphia — Boston
|
11h 40m including layover |
Find flight
from$152 |
|
05:45 — 06:48
+1 day
|
05:45 — 08:36
NK1491
Spirit Airlines
Seattle — Los Angeles
1h 41m stop
10:22 — 18:20
NK2074
Spirit Airlines
Los Angeles — Baltimore
11h 5m stop
05:28 — 06:55
NK523
Spirit Airlines
Baltimore — Boston
|
22h 3m including layover |
Find flight
from$166 |
|
06:11 — 21:07
|
05:45 — 08:36
NK1491
Spirit Airlines
Seattle — Los Angeles
1h 34m stop
10:22 — 18:20
NK2074
Spirit Airlines
Los Angeles — Baltimore
55m stop
19:32 — 21:02
NK2075
Spirit Airlines
Baltimore — Boston
|
11h 56m including layover |
Find flight
from$132 |
|
14:16 — 15:13
+1 day
|
14:16 — 16:50
NK414
Spirit Airlines
Seattle — Las Vegas
7h 9m stop
23:59 — 05:05
NK1064
Spirit Airlines
Las Vegas — New Orleans
5h 49m stop
10:54 — 15:13
NK1375
Spirit Airlines
New Orleans — Boston
|
21h 57m including layover |
Find flight
from$155 |
|
16:00 — 14:56
+1 day
|
16:00 — 18:31
NK414
Spirit Airlines
Seattle — Las Vegas
6h 25m stop
00:56 — 07:44
NK331
Spirit Airlines
Las Vegas — Atlanta
4h 43m stop
12:27 — 14:56
NK1444
Spirit Airlines
Atlanta — Boston
|
19h 56m including layover |
Find flight
from$202 |
|
17:28 — 13:23
+1 day
|
17:28 — 19:55
NK204
Spirit Airlines
Seattle — Las Vegas
4h stop
23:55 — 07:23
NK1853
Spirit Airlines
Las Vegas — Orlando
2h 57m stop
10:20 — 13:23
NK501
Spirit Airlines
Orlando — Boston
|
16h 55m including layover |
Find flight
from$145 |
|
23:59 — 15:05
+1 day
|
23:59 — 07:54
AA2793
American Airlines
Seattle — Charlotte
2h 21m stop
10:15 — 11:47
AA1714
American Airlines
Charlotte — Philadelphia
1h 53m stop
13:40 — 15:05
AA1453
American Airlines
Philadelphia — Boston
|
12h 6m including layover |
Find flight
from$148 |
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 00:25 to 23:59 from 3 Seattle airports and arrive 00:25 to 23:59 to 4 Boston airports. Average flight time is 5h 14m.
- The fastest flight 5h 7m
- Average flight time 5h 14m
- The earliest flight 00:25
- The latest flight 23:59
- Distance 2489 ml
The cheapest months to travel to Boston are november (from 87 $), december (from 108 $), january (from 155 $).
The most expensive months are february (from 212 $), january (from 155 $), december (from 108 $).
What is the lowest airfare Seattle to Boston?
The cheapest plane ticket found by our users is $87. This airfare is for economy class on one-way B6498 flight by JetBlue for November 12, 2024 which leaves Seattle-Tacoma Intl in Seattle at 11:40 am and arrives at Boston Logan at 20:05.
Popular Airlines on the Route
The flight Seattle — Boston is served by 9 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by JetBlue - 1 departures per week at the price of from $ 87 . And the most expensive tickets are offered by Turkish Airlines airline - from $ 2329.
Direct flights
There are 9 nonstop flights on the route. The fastest direct flight is AS424 by Alaska Airlines takes 5h 7m and the cheapest is B6498 by JetBlue for $87.
- from $87Find
- from $148Find
- AA - American Airlinesfrom $209Find
- AS - Alaska Airlinesfrom $108Find
Connecting Flights
There are 576 flights with layovers on the route. The fastest connecting flight is DL812 by Delta Air Lines Inc. takes 6h 50m and the cheapest is B6498 by JetBlue for $109.
- from $221Find
- AA - American Airlinesfrom $148Find
- AS - Alaska Airlinesfrom $110Find
- F9 - Frontier Airlinesfrom $191Find
- SY - Sun Country Airlinesfrom $163Find
- TK - Turkish Airlinesfrom $1348Find
- UA - United Airlinesfrom $152Find
- NK - Spirit Airlinesfrom $109Find
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 $87Find
- 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 9 airlines that use 10 aircraft brands. They range from huge modern airplanes to small-sized.
- Airbus A318/319/320/321from $87Find
- Airbus A321from $148Find
- Canadair Regional Jet 700from $149Find
- Embraer 175 (short wing)from $149Find
- Boeing 737-800from $152Find
- Airbus A320from $202Find
- Airbus A319from $202Find
- Boeing 737-100/200from $209Find
- Boeing 737from $210Find
- Boeing 737-900from $237Find
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
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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.