Find Deals on Flights from Boston Logan International to Seattle/Tacoma Intl (BOS - SEA)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Boston Logan International to Seattle/Tacoma Intl

(Round-trip)
Depart: Wed Oct 26 2016 Return: Thu Oct 27 2016 Trip spans 2 days
Major Airline
Major Airline
BOS
10:50a
SEA
5:10p
6h 20m
nonstop
SEA
7:40a
BOS
12:59p
5h 19m
nonstop
Depart: Fri Sep 30 2016 Return: Tue Oct 4 2016 Trip spans 5 days
Sun Country Air
Sun Country Air
BOS
2:55a
SEA
11:27a
8h 32m
1 stop
SEA
9:20a
BOS
4:14p
6h 54m
1 stop
Depart: Wed Oct 12 2016 Return: Tue Oct 18 2016 Trip spans 7 days
Alaska Airlines
Alaska Airlines
BOS
3:00a
SEA
9:15a
6h 15m
nonstop
SEA
11:40a
BOS
4:59p
5h 19m
nonstop
Depart: Wed Dec 7 2016 Return: Sat Dec 10 2016 Trip spans 4 days
JetBlue
JetBlue
BOS
5:15a
SEA
11:31a
6h 16m
nonstop
SEA
6:29p
BOS
11:39p
5h 10m
nonstop
Depart: Wed Feb 1 2017 Return: Wed Feb 8 2017 Trip spans 8 days
Delta
Delta
BOS
2:15a
SEA
8:45a
6h 30m
nonstop
SEA
6:30a
BOS
11:55a
5h 25m
nonstop
Depart: Wed Nov 30 2016 Return: Sat Dec 3 2016 Trip spans 4 days
United
United
BOS
2:30a
SEA
11:39a
9h 09m
1 stop
SEA
12:20a
BOS
7:50a
7h 30m
1 stop
Depart: Thu Nov 24 2016 Return: Wed Nov 30 2016 Trip spans 7 days
American Airlines
American Airlines
BOS
12:00a
SEA
10:56a
10h 56m
1 stop
SEA
6:15a
BOS
2:55p
8h 40m
1 stop
Depart: Thu Mar 2 2017 Return: Tue Mar 7 2017 Trip spans 6 days
Virgin America
Virgin America
BOS
11:15a
SEA
8:50p
9h 35m
1 stop
SEA
12:15p
BOS
9:55p
9h 40m
1 stop
Depart: Sat Dec 17 2016 Return: Wed Dec 21 2016 Trip spans 5 days
Spirit Airlines
Spirit Airlines
BOS
11:40a
SEA
9:45p
10h 05m
1 stop
SEA
10:00a
BOS
9:53p
11h 53m
1 stop
Depart: Sat Oct 1 2016 Return: Mon Oct 3 2016 Trip spans 3 days
Sun Country Air
Sun Country Air
BOS
2:55a
SEA
11:27a
8h 32m
1 stop
SEA
1:50p
BOS
3:49a
13h 59m
1 stop
Depart: Mon Oct 24 2016 Return: Thu Nov 3 2016 Trip spans 11 days
Major Airline
Major Airline
BOS
1:00a
SEA
12:35p
11h 35m
1 stop
SEA
9:35a
BOS
7:00p
9h 25m
1 stop
Depart: Sat Dec 10 2016 Return: Tue Dec 13 2016 Trip spans 4 days
JetBlue
JetBlue
BOS
2:15p
SEA
8:37p
6h 22m
nonstop
SEA
7:51a
BOS
1:02p
5h 11m
nonstop
Depart: Sat Jan 7 2017 Return: Sat Jan 21 2017 Trip spans 15 days
Alaska Airlines
Alaska Airlines
BOS
2:00a
SEA
8:40a
6h 40m
nonstop
SEA
4:30a
BOS
9:48a
5h 18m
nonstop
Depart: Fri Jan 27 2017 Return: Tue Feb 7 2017 Trip spans 12 days
United
United
BOS
1:00a
SEA
8:46a
7h 46m
1 stop
SEA
8:45a
BOS
4:09p
7h 24m
1 stop
Depart: Fri Feb 10 2017 Return: Wed Feb 15 2017 Trip spans 6 days
Delta
Delta
BOS
2:15a
SEA
8:45a
6h 30m
nonstop
SEA
6:30a
BOS
11:55a
5h 25m
nonstop
Depart: Tue Oct 4 2016 Return: Sun Oct 16 2016 Trip spans 13 days
Sun Country Air
Sun Country Air
BOS
2:55a
SEA
11:27a
8h 32m
1 stop
SEA
9:20a
BOS
4:14p
6h 54m
1 stop
Depart: Sun Nov 6 2016 Return: Wed Nov 9 2016 Trip spans 4 days
Major Airline
Major Airline
BOS
7:45a
SEA
3:15a
19h 30m
1 stop
SEA
3:20a
BOS
10:14a
6h 54m
1 stop
Depart: Wed Dec 14 2016 Return: Sat Jan 7 2017 Trip spans 25 days
JetBlue
JetBlue
BOS
2:15p
SEA
8:37p
6h 22m
nonstop
SEA
6:14p
BOS
11:25p
5h 11m
nonstop
Depart: Tue Jan 10 2017 Return: Tue Jan 17 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
BOS
2:00a
SEA
8:39a
6h 39m
nonstop
SEA
4:30a
BOS
9:48a
5h 18m
nonstop
Depart: Sat Nov 19 2016 Return: Sat Dec 3 2016 Trip spans 15 days
United
United
BOS
9:43a
SEA
7:17p
9h 34m
1 stop
SEA
2:10a
BOS
10:38a
8h 28m
1 stop
Direct flights BOS to SEA on Delta
Flight # Depart BOS Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
863 7:10 am 10:28 am Oct 1 - Nov 5
863 7:10 am 10:29 am Oct 2 - Nov 4
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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^ The fares displayed in KAYAK ads found on other sites include all taxes and fees for economy class travel and were found by KAYAK users in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
Airports
Origin

Boston
$261
Destination

Seattle
$261
Airlines Airline reviews

49 travelers who booked a flight from Boston to Seattle rated their chosen airlines with an average of 8.1.

Overall
8.4
Boarding
8.6
Crew
8.6
Comfort
8.1
Food
7.3
Entertainment
6.8