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Find Flight Deals 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 Jun 9 2015 Return: Mon Jun 15 2015 Trip spans 7 days
Sun Country Air
Sun Country Air
SEA
9:05a
BOS
4:15p
7h 10m
1 stop
BOS
4:55p
SEA
8:35a
15h 40m
1 stop
Depart: Tue Sep 8 2015 Return: Wed Sep 30 2015 Trip spans 23 days
American Airlines
American Airlines
SEA
8:45p
BOS
6:32a
9h 47m
1 stop
BOS
2:25a
SEA
12:25p
10h 00m
1 stop
Depart: Tue Sep 15 2015 Return: Tue Sep 22 2015 Trip spans 8 days
Virgin America
Virgin America
SEA
3:00a
BOS
2:50p
11h 50m
1 stop
BOS
3:20a
SEA
3:55p
12h 35m
1 stop
Depart: Mon Sep 14 2015 Return: Wed Sep 23 2015 Trip spans 10 days
American Airlines
American Airlines
SEA
8:45p
BOS
6:32a
9h 47m
1 stop
BOS
2:25a
SEA
12:25p
10h 00m
1 stop
Depart: Mon Sep 21 2015 Return: Wed Sep 30 2015 Trip spans 10 days
American Airlines
American Airlines
SEA
8:45p
BOS
4:45a
8h 00m
1 stop
BOS
2:25a
SEA
12:25p
10h 00m
1 stop
Depart: Tue Sep 22 2015 Return: Tue Sep 29 2015 Trip spans 8 days
Virgin America
Virgin America
SEA
3:00a
BOS
2:50p
11h 50m
1 stop
BOS
3:20a
SEA
3:55p
12h 35m
1 stop
Depart: Tue Oct 27 2015 Return: Tue Nov 3 2015 Trip spans 8 days
Virgin America
Virgin America
SEA
1:20p
BOS
12:40a
11h 20m
1 stop
BOS
2:20a
SEA
3:05p
12h 45m
1 stop
Depart: Tue Nov 3 2015 Return: Wed Nov 11 2015 Trip spans 9 days
American Airlines
American Airlines
SEA
12:10a
BOS
10:21a
10h 11m
1 stop
BOS
1:25a
SEA
11:25a
10h 00m
1 stop
Depart: Tue Jun 2 2015 Return: Tue Jun 16 2015 Trip spans 15 days
Sun Country Air
Sun Country Air
SEA
1:10p
BOS
3:55a
14h 45m
1 stop
BOS
4:55p
SEA
8:35a
15h 40m
1 stop
Depart: Sun Jun 7 2015 Return: Mon Jun 15 2015 Trip spans 9 days
Sun Country Air
Sun Country Air
SEA
1:10p
BOS
3:55a
14h 45m
1 stop
BOS
4:55p
SEA
8:35a
15h 40m
1 stop
Depart: Mon Oct 26 2015 Return: Tue Oct 27 2015 Trip spans 2 days
Delta
Delta
SEA
6:45p
BOS
5:10a
10h 25m
1 stop
BOS
11:00a
SEA
8:55p
9h 55m
1 stop
Depart: Wed Sep 9 2015 Return: Wed Sep 16 2015 Trip spans 8 days
Delta
Delta
SEA
2:30p
BOS
11:44p
9h 14m
1 stop
BOS
4:00a
SEA
4:30p
12h 30m
1 stop
Depart: Wed Sep 16 2015 Return: Mon Sep 21 2015 Trip spans 6 days
Delta
Delta
SEA
9:00a
BOS
4:33p
7h 33m
1 stop
BOS
4:00a
SEA
4:30p
12h 30m
1 stop
Depart: Fri Sep 25 2015 Return: Tue Sep 29 2015 Trip spans 5 days
Delta
Delta
SEA
8:55p
BOS
5:56a
9h 01m
1 stop
BOS
10:43a
SEA
8:25p
9h 42m
1 stop
Depart: Mon Sep 28 2015 Return: Mon Oct 5 2015 Trip spans 8 days
Delta
Delta
SEA
9:00a
BOS
4:33p
7h 33m
1 stop
BOS
3:00a
SEA
1:48p
10h 48m
1 stop
Depart: Wed Sep 30 2015 Return: Tue Oct 6 2015 Trip spans 7 days
Delta
Delta
SEA
2:30p
BOS
11:44p
9h 14m
1 stop
BOS
8:30a
SEA
6:20p
9h 50m
1 stop
Depart: Tue Aug 18 2015 Return: Wed Aug 26 2015 Trip spans 9 days
United
United
SEA
8:09a
BOS
3:59p
7h 50m
1 stop
BOS
2:00a
SEA
9:46a
7h 46m
1 stop
Depart: Fri Nov 27 2015 Return: Wed Dec 2 2015 Trip spans 6 days
Alaska Airlines
Alaska Airlines
SEA
4:10a
BOS
9:33a
5h 23m
nonstop
BOS
1:35p
SEA
7:50p
6h 15m
nonstop
Depart: Thu Oct 8 2015 Return: Sat Oct 10 2015 Trip spans 3 days
JetBlue Airways
JetBlue Airways
SEA
9:13a
BOS
4:57p
7h 44m
1 stop
BOS
3:15p
SEA
9:22p
6h 07m
nonstop
Depart: Fri Aug 28 2015 Return: Tue Sep 1 2015 Trip spans 5 days
US Airways
US Airways
SEA
7:30a
BOS
2:31p
7h 01m
1 stop
BOS
2:30a
SEA
11:51a
9h 21m
1 stop
Direct flights SEA to BOS on Delta
Flight # Depart SEA Arrive BOS Sun Mon Tue Wed Thu Fri Sat Valid Between
9069 9:20 am 5:52 pm May 21 - Jun 6
9069 9:30 am 5:55 pm Jun 7 - Aug 22
7505 3:20 pm 11:51 pm May 21 - Jun 4
7505 3:20 pm 11:51 pm Jun 6 - Jun 6
7505 3:20 pm 11:51 pm Jun 5 - Jun 5
7528 3:45 pm 11:59 pm Jun 7 - Jun 17
7528 3:45 pm 11:59 pm Jun 20 - Jun 26
7528 3:45 pm 11:59 pm Jun 18 - Jun 18
7530 3:45 pm 11:59 pm Jun 27 - Jul 11
7530 3:45 pm 11:59 pm Jun 19 - Jun 19
7512 11:05 pm 7:25 am Jun 7 - Jul 11
7512 11:05 pm 7:30 am Jun 6 - Jun 6
7512 11:20 pm 7:45 am May 21 - Jun 5
Airports
Origin

Seattle
$270
Destination

Boston
$270