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

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Boston Logan International to Seattle/Tacoma Intl

(Round-trip)
Depart: Tue Aug 25 2015 Return: Tue Sep 8 2015 Trip spans 15 days
US Airways
US Airways
BOS
2:30a
SEA
11:51a
9h 21m
1 stop
SEA
8:45p
BOS
4:45a
8h 00m
1 stop
Depart: Wed Aug 26 2015 Return: Tue Sep 8 2015 Trip spans 14 days
American Airlines
American Airlines
BOS
2:30a
SEA
11:51a
9h 21m
1 stop
SEA
8:45p
BOS
4:45a
8h 00m
1 stop
Depart: Tue Sep 15 2015 Return: Tue Sep 29 2015 Trip spans 15 days
Virgin America
Virgin America
BOS
3:20a
SEA
3:55p
12h 35m
1 stop
SEA
3:00a
BOS
2:50p
11h 50m
1 stop
Depart: Sat Aug 29 2015 Return: Tue Sep 8 2015 Trip spans 11 days
US Airways
US Airways
BOS
1:30a
SEA
9:27a
7h 57m
1 stop
SEA
8:45p
BOS
4:45a
8h 00m
1 stop
Depart: Wed Sep 16 2015 Return: Mon Sep 28 2015 Trip spans 13 days
American Airlines
American Airlines
BOS
2:25a
SEA
12:25p
10h 00m
1 stop
SEA
8:45p
BOS
5:34a
8h 49m
1 stop
Depart: Wed Sep 23 2015 Return: Mon Sep 28 2015 Trip spans 6 days
American Airlines
American Airlines
BOS
2:25a
SEA
12:25p
10h 00m
1 stop
SEA
8:45p
BOS
4:45a
8h 00m
1 stop
Depart: Wed Nov 4 2015 Return: Tue Nov 10 2015 Trip spans 7 days
Virgin America
Virgin America
BOS
4:00a
SEA
4:50p
12h 50m
1 stop
SEA
2:35p
BOS
11:40p
9h 05m
1 stop
Depart: Wed Nov 11 2015 Return: Wed Nov 18 2015 Trip spans 8 days
American Airlines
American Airlines
BOS
1:25a
SEA
11:25a
10h 00m
1 stop
SEA
12:15a
BOS
9:57a
9h 42m
1 stop
Depart: Thu Sep 10 2015 Return: Tue Sep 15 2015 Trip spans 6 days
Delta
Delta
BOS
2:10a
SEA
9:45a
7h 35m
1 stop
SEA
9:00a
BOS
4:33p
7h 33m
1 stop
Depart: Sat Sep 12 2015 Return: Mon Sep 21 2015 Trip spans 10 days
Delta
Delta
BOS
12:00p
SEA
9:55p
9h 55m
1 stop
SEA
12:30p
BOS
11:44p
11h 14m
1 stop
Depart: Mon Sep 14 2015 Return: Mon Sep 21 2015 Trip spans 8 days
Delta
Delta
BOS
1:40p
SEA
9:55p
8h 15m
1 stop
SEA
7:15p
BOS
2:26a
7h 11m
1 stop
Depart: Thu Sep 17 2015 Return: Mon Sep 21 2015 Trip spans 5 days
Delta
Delta
BOS
1:00p
SEA
8:55p
7h 55m
1 stop
SEA
7:15p
BOS
2:26a
7h 11m
1 stop
Depart: Tue Sep 22 2015 Return: Tue Oct 6 2015 Trip spans 15 days
Delta
Delta
BOS
2:10a
SEA
9:45a
7h 35m
1 stop
SEA
7:15p
BOS
5:00a
9h 45m
1 stop
Depart: Tue Sep 29 2015 Return: Tue Oct 13 2015 Trip spans 15 days
Delta
Delta
BOS
4:00a
SEA
2:35p
10h 35m
1 stop
SEA
12:30p
BOS
11:44p
11h 14m
1 stop
Depart: Wed Sep 30 2015 Return: Tue Oct 6 2015 Trip spans 7 days
Delta
Delta
BOS
10:43a
SEA
6:20p
7h 37m
1 stop
SEA
5:00a
BOS
11:52a
6h 52m
1 stop
Depart: Thu Oct 8 2015 Return: Mon Oct 12 2015 Trip spans 5 days
Delta
Delta
BOS
2:30a
SEA
10:15a
7h 45m
1 stop
SEA
12:30p
BOS
11:44p
11h 14m
1 stop
Depart: Tue Jun 2 2015 Return: Tue Jun 9 2015 Trip spans 8 days
United
United
BOS
2:00p
SEA
11:50p
9h 50m
1 stop
SEA
5:05p
BOS
12:13a
7h 08m
1 stop
Depart: Fri Oct 9 2015 Return: Tue Oct 13 2015 Trip spans 5 days
JetBlue Airways
JetBlue Airways
BOS
3:15p
SEA
9:22p
6h 07m
nonstop
SEA
7:14p
BOS
12:24a
5h 10m
nonstop
Depart: Mon Aug 31 2015 Return: Wed Sep 9 2015 Trip spans 10 days
Alaska Airlines
Alaska Airlines
BOS
3:00a
SEA
9:08a
6h 08m
nonstop
SEA
6:30p
BOS
11:41p
5h 11m
nonstop
Depart: Mon Jun 22 2015 Return: Mon Jul 6 2015 Trip spans 15 days
Sun Country Air
Sun Country Air
BOS
4:55p
SEA
8:35a
15h 40m
1 stop
SEA
7:55p
BOS
3:55a
8h 00m
1 stop
Direct flights BOS to SEA on Delta
Flight # Depart BOS Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
7519 7:00 am 10:08 am Jun 7 - Jun 14
7519 7:00 am 10:08 am Jun 27 - Jul 11
7532 7:00 am 10:08 am Jun 19 - Jun 19
7532 7:00 am 10:08 am Jun 20 - Jun 26
7532 7:00 am 10:08 am Jun 8 - Jun 18
9238 7:00 am 10:12 am May 21 - Jun 5
9238 7:00 am 10:12 am Jun 6 - Jun 6
9238 8:40 am 11:55 am Jun 7 - Aug 22
7519 9:00 am 12:13 pm May 21 - Jun 6
7509 6:55 pm 10:10 pm Jun 26 - Jun 28
7509 6:55 pm 10:07 pm May 21 - Jun 6
7520 6:55 pm 10:10 pm Jun 7 - Jun 25
7520 6:55 pm 10:10 pm Jun 29 - Jul 11
Airports
Origin

Boston
$295
Destination

Seattle
$295