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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 13 2015 Trip spans 6 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: Mon Sep 14 2015 Trip spans 5 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: Mon Sep 14 2015 Return: Fri Sep 18 2015 Trip spans 5 days
Sun Country Air
Sun Country Air
SEA
1:25p
BOS
3:55a
14h 30m
1 stop
BOS
3:20a
SEA
11:09a
7h 49m
1 stop
Depart: Tue Sep 15 2015 Return: Thu Sep 17 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 Sep 16 2015 Return: Thu Sep 17 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 17 2015 Return: Tue Sep 22 2015 Trip spans 6 days
Sun Country Air
Sun Country Air
SEA
1:25p
BOS
3:55a
14h 30m
1 stop
BOS
7:45a
SEA
3:34p
7h 49m
1 stop
Depart: Fri Sep 18 2015 Return: Sat Sep 19 2015 Trip spans 2 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: Sun Sep 20 2015 Return: Fri Sep 25 2015 Trip spans 6 days
Sun Country Air
Sun Country Air
SEA
1:25p
BOS
3:55a
14h 30m
1 stop
BOS
3:20a
SEA
11:09a
7h 49m
1 stop
Depart: Mon Sep 21 2015 Return: Fri Sep 25 2015 Trip spans 5 days
Sun Country Air
Sun Country Air
SEA
1:25p
BOS
3:55a
14h 30m
1 stop
BOS
3:20a
SEA
11:09a
7h 49m
1 stop
Depart: Tue Sep 22 2015 Return: Mon Sep 28 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: Wed Sep 23 2015 Return: Sat Sep 26 2015 Trip spans 4 days
Sun Country Air
Sun Country Air
SEA
1:25p
BOS
3:55a
14h 30m
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: Wed Sep 2 2015 Return: Wed Sep 23 2015 Trip spans 22 days
American Airlines
American Airlines
SEA
9:30a
BOS
7:14p
9h 44m
1 stop
BOS
12:25p
SEA
10:12p
9h 47m
1 stop
Depart: Sat Sep 12 2015 Return: Tue Sep 22 2015 Trip spans 11 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: Sat Oct 17 2015 Return: Tue Oct 20 2015 Trip spans 4 days
JetBlue Airways
JetBlue Airways
SEA
7:14p
BOS
12:24a
5h 10m
nonstop
BOS
3:15p
SEA
9:22p
6h 07m
nonstop
Depart: Sat Oct 10 2015 Return: Thu Oct 15 2015 Trip spans 6 days
Delta
Delta
SEA
6:45p
BOS
3:14a
8h 29m
1 stop
BOS
2:40a
SEA
11:25a
8h 45m
1 stop
Depart: Thu Jan 14 2016 Return: Mon Jan 18 2016 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
4:25p
BOS
9:43p
5h 18m
nonstop
BOS
2:00a
SEA
8:40a
6h 40m
nonstop
Depart: Wed Jul 29 2015 Return: Wed Aug 26 2015 Trip spans 29 days
United
United
SEA
6:38a
BOS
5:53p
11h 15m
1 stop
BOS
2:10a
SEA
1:45p
11h 35m
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 11:53 pm Jul 12 - Aug 22
7512 11:05 pm 7:16 am Jul 12 - Aug 22
Airports
Origin

Seattle
$286
Destination

Boston
$286