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

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

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

(Round-trip)
Depart: Tue Sep 8 2015 Return: Sun Sep 27 2015 Trip spans 20 days
Sun Country Air
Sun Country Air
SEA
1:25p
BOS
3:55a
14h 30m
1 stop
BOS
4:55p
SEA
11:09a
18h 14m
1 stop
Depart: Wed Sep 9 2015 Return: Thu Sep 10 2015 Trip spans 2 days
Sun Country Air
Sun Country Air
SEA
9:05a
BOS
4:15p
7h 10m
1 stop
BOS
7:45a
SEA
3:34p
7h 49m
1 stop
Depart: Thu Sep 10 2015 Return: Tue Sep 15 2015 Trip spans 6 days
Sun Country Air
Sun Country Air
SEA
9:05a
BOS
4:15p
7h 10m
1 stop
BOS
7:45a
SEA
3:34p
7h 49m
1 stop
Depart: Fri Sep 11 2015 Return: Mon Sep 14 2015 Trip spans 4 days
Sun Country Air
Sun Country Air
SEA
9:05a
BOS
4:15p
7h 10m
1 stop
BOS
7:45a
SEA
3:34p
7h 49m
1 stop
Depart: Tue Sep 15 2015 Return: Sat Sep 26 2015 Trip spans 12 days
Sun Country Air
Sun Country Air
SEA
9:05a
BOS
4:15p
7h 10m
1 stop
BOS
3:20a
SEA
11:09a
7h 49m
1 stop
Depart: Mon Sep 21 2015 Return: Mon Sep 28 2015 Trip spans 8 days
Sun Country Air
Sun Country Air
SEA
9:05a
BOS
4:15p
7h 10m
1 stop
BOS
7:45a
SEA
3:34p
7h 49m
1 stop
Depart: Tue Sep 22 2015 Return: Tue Sep 29 2015 Trip spans 8 days
Sun Country Air
Sun Country Air
SEA
9:05a
BOS
4:15p
7h 10m
1 stop
BOS
3:20a
SEA
11:09a
7h 49m
1 stop
Depart: Wed Sep 23 2015 Return: Tue Sep 29 2015 Trip spans 7 days
Sun Country Air
Sun Country Air
SEA
9:05a
BOS
4:15p
7h 10m
1 stop
BOS
3:20a
SEA
11:09a
7h 49m
1 stop
Depart: Thu Sep 24 2015 Return: Sun Sep 27 2015 Trip spans 4 days
Sun Country Air
Sun Country Air
SEA
9:05a
BOS
4:15p
7h 10m
1 stop
BOS
4:55p
SEA
11:09a
18h 14m
1 stop
Depart: Fri Sep 25 2015 Return: Sat Oct 3 2015 Trip spans 9 days
Sun Country Air
Sun Country Air
SEA
9:05a
BOS
4:15p
7h 10m
1 stop
BOS
3:20a
SEA
11:15a
7h 55m
1 stop
Depart: Thu Oct 1 2015 Return: Sat Oct 3 2015 Trip spans 3 days
Sun Country Air
Sun Country Air
SEA
9:05a
BOS
4:15p
7h 10m
1 stop
BOS
3:20a
SEA
11:15a
7h 55m
1 stop
Depart: Fri Oct 2 2015 Return: Sun Oct 4 2015 Trip spans 3 days
Sun Country Air
Sun Country Air
SEA
9:05a
BOS
4:15p
7h 10m
1 stop
BOS
4:55p
SEA
11:15a
18h 20m
1 stop
Depart: Wed Sep 16 2015 Return: Fri Sep 18 2015 Trip spans 3 days
Sun Country Air
Sun Country Air
SEA
9:05a
BOS
4:15p
7h 10m
1 stop
BOS
3:20a
SEA
11:09a
7h 49m
1 stop
Depart: Wed Oct 7 2015 Return: Wed Oct 14 2015 Trip spans 8 days
American Airlines
American Airlines
SEA
7:25a
BOS
4:09p
8h 44m
1 stop
BOS
12:25p
SEA
10:12p
9h 47m
1 stop
Depart: Tue Sep 1 2015 Return: Sat Sep 12 2015 Trip spans 12 days
US Airways
US Airways
SEA
9:50a
BOS
4:58p
7h 08m
1 stop
BOS
1:30a
SEA
9:39a
8h 09m
1 stop
Depart: Sat Sep 12 2015 Return: Wed Sep 23 2015 Trip spans 12 days
Virgin America
Virgin America
SEA
3:00a
BOS
2:50p
11h 50m
1 stop
BOS
5:00a
SEA
3:35p
10h 35m
1 stop
Depart: Mon Sep 14 2015 Return: Wed Sep 16 2015 Trip spans 3 days
Delta
Delta
SEA
7:15p
BOS
2:21a
7h 06m
1 stop
BOS
12:25p
SEA
8:03p
7h 38m
1 stop
Depart: Sat Jul 25 2015 Return: Wed Sep 23 2015 Trip spans 61 days
JetBlue Airways
JetBlue Airways
SEA
3:00a
BOS
8:14a
5h 14m
nonstop
BOS
3:15p
SEA
9:22p
6h 07m
nonstop
Depart: Fri Nov 6 2015 Return: Mon Nov 9 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
4:35p
BOS
9:45p
5h 10m
nonstop
BOS
1:45p
SEA
8:20p
6h 35m
nonstop
Depart: Sat Aug 29 2015 Return: Wed Sep 9 2015 Trip spans 12 days
United
United
SEA
2:00a
BOS
11:46a
9h 46m
1 stop
BOS
2:00a
SEA
1:45p
11h 45m
1 stop
Direct flights SEA to BOS on Delta
Flight # Depart SEA Arrive BOS Sun Mon Tue Wed Thu Fri Sat Valid Between
9069 9:30 am 5:55 pm Jun 27 - Aug 22
7530 3:45 pm 11:59 pm Jun 27 - Jul 11
7530 3:45 pm 11:53 pm Jul 12 - Aug 22
7512 11:05 pm 7:25 am Jun 27 - Jul 11
7512 11:05 pm 7:16 am Jul 12 - Aug 22
Airports
Origin

Seattle
$276
Destination

Boston
$276