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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: Sat Apr 18 2015 Return: Mon May 4 2015 Trip spans 17 days
Sun Country Air
Sun Country Air
SEA
1:00p
BOS
3:50a
14h 50m
1 stop
BOS
3:20a
SEA
11:15a
7h 55m
1 stop
Depart: Wed Apr 22 2015 Return: Mon Apr 27 2015 Trip spans 6 days
Sun Country Air
Sun Country Air
SEA
1:00p
BOS
3:50a
14h 50m
1 stop
BOS
4:55p
SEA
8:35a
15h 40m
1 stop
Depart: Tue Apr 28 2015 Return: Wed Apr 29 2015 Trip spans 2 days
Sun Country Air
Sun Country Air
SEA
6:20a
BOS
1:10p
6h 50m
1 stop
BOS
7:35a
SEA
3:15p
7h 40m
1 stop
Depart: Wed Apr 29 2015 Return: Sun May 3 2015 Trip spans 5 days
Sun Country Air
Sun Country Air
SEA
1:00p
BOS
3:50a
14h 50m
1 stop
BOS
4:55p
SEA
11:15a
18h 20m
1 stop
Depart: Fri May 1 2015 Return: Sun May 3 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: Tue May 5 2015 Return: Wed May 6 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
3:25p
7h 40m
1 stop
Depart: Wed May 6 2015 Return: Thu May 7 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
3:25p
7h 40m
1 stop
Depart: Thu May 7 2015 Return: Tue May 12 2015 Trip spans 6 days
Sun Country Air
Sun Country Air
SEA
1:10p
BOS
3:55a
14h 45m
1 stop
BOS
3:20a
SEA
3:25p
12h 05m
1 stop
Depart: Fri May 8 2015 Return: Mon May 11 2015 Trip spans 4 days
Sun Country Air
Sun Country Air
SEA
1:10p
BOS
3:55a
14h 45m
1 stop
BOS
3:20a
SEA
11:15a
7h 55m
1 stop
Depart: Sun May 10 2015 Return: Mon May 11 2015 Trip spans 2 days
Sun Country Air
Sun Country Air
SEA
1:10p
BOS
3:55a
14h 45m
1 stop
BOS
4:55p
SEA
11:15a
18h 20m
1 stop
Depart: Tue Apr 14 2015 Return: Tue May 5 2015 Trip spans 22 days
Sun Country Air
Sun Country Air
SEA
6:20a
BOS
1:10p
6h 50m
1 stop
BOS
3:20a
SEA
11:15a
7h 55m
1 stop
Depart: Mon Apr 20 2015 Return: Tue Apr 21 2015 Trip spans 2 days
JetBlue Airways
JetBlue Airways
SEA
7:13p
BOS
12:23a
5h 10m
nonstop
BOS
5:00a
SEA
11:12a
6h 12m
nonstop
Depart: Wed Apr 15 2015 Return: Mon Apr 27 2015 Trip spans 13 days
JetBlue Airways
JetBlue Airways
SEA
9:03a
BOS
2:14p
5h 11m
nonstop
BOS
3:09p
SEA
9:22p
6h 13m
nonstop
Depart: Sun Apr 19 2015 Return: Mon Apr 27 2015 Trip spans 9 days
JetBlue Airways
JetBlue Airways
SEA
7:13p
BOS
12:23a
5h 10m
nonstop
BOS
3:09p
SEA
9:22p
6h 13m
nonstop
Depart: Mon May 11 2015 Return: Thu May 14 2015 Trip spans 4 days
American Airlines
American Airlines
SEA
8:15p
BOS
4:47a
8h 32m
1 stop
BOS
3:15p
SEA
12:36a
9h 21m
1 stop
Depart: Tue Sep 1 2015 Return: Wed Sep 2 2015 Trip spans 2 days
Delta
Delta
SEA
6:45p
BOS
3:17a
8h 32m
1 stop
BOS
8:15a
SEA
5:35p
9h 20m
1 stop
Depart: Sat May 9 2015 Return: Mon May 11 2015 Trip spans 3 days
US Airways
US Airways
SEA
1:00a
BOS
8:13a
7h 13m
1 stop
BOS
1:30p
SEA
10:38p
9h 08m
1 stop
Depart: Mon Jun 1 2015 Return: Tue Jun 9 2015 Trip spans 9 days
Virgin America
Virgin America
SEA
1:00p
BOS
11:00p
10h 00m
1 stop
BOS
12:30p
SEA
9:40p
9h 10m
1 stop
Depart: Mon May 18 2015 Return: Tue May 26 2015 Trip spans 9 days
United
United
SEA
7:18p
BOS
2:23a
7h 05m
1 stop
BOS
2:00p
SEA
11:44p
9h 44m
1 stop
Depart: Sun Sep 6 2015 Return: Mon Sep 7 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
6:30p
BOS
11:43p
5h 13m
nonstop
BOS
2:35p
SEA
8:50p
6h 15m
nonstop
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 3 - May 10
9069 9:20 am 5:52 pm May 4 - May 4
9069 9:30 am 5:55 pm Apr 28 - Apr 28
9069 9:30 am 5:55 pm Apr 29 - May 2
9069 9:30 am 5:55 pm Apr 5 - Apr 27
7505 3:20 pm 11:51 pm May 10 - Jun 4
7512 10:20 pm 6:33 am Apr 5 - May 2
7512 10:20 pm 6:44 am May 3 - May 9
7512 10:20 pm 6:44 am May 5 - May 5
7512 11:20 pm 7:45 am May 10 - Jun 5
Airports
Origin

Seattle
$260
Destination

Boston
$260