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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 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: Thu May 7 2015 Return: Fri May 8 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: 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
4:55p
SEA
11:15a
18h 20m
1 stop
Depart: Wed May 6 2015 Return: Thu May 7 2015 Trip spans 2 days
JetBlue Airways
JetBlue Airways
SEA
6:56a
BOS
12:26p
5h 30m
nonstop
BOS
3:00a
SEA
9:05a
6h 05m
nonstop
Depart: Mon May 11 2015 Return: Wed May 13 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SEA
11:20a
BOS
4:51p
5h 31m
nonstop
BOS
3:00a
SEA
9:12a
6h 12m
nonstop
Depart: Sat May 9 2015 Return: Wed May 13 2015 Trip spans 5 days
JetBlue Airways
JetBlue Airways
SEA
6:56a
BOS
12:26p
5h 30m
nonstop
BOS
3:00a
SEA
9:05a
6h 05m
nonstop
Depart: Sun May 10 2015 Return: Wed May 13 2015 Trip spans 4 days
JetBlue Airways
JetBlue Airways
SEA
6:56a
BOS
12:26p
5h 30m
nonstop
BOS
3:00a
SEA
9:05a
6h 05m
nonstop
Depart: Fri May 1 2015 Return: Tue May 5 2015 Trip spans 5 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 3 2015 Return: Tue May 5 2015 Trip spans 3 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: Mon May 4 2015 Return: Tue May 12 2015 Trip spans 9 days
Alaska Airlines
Alaska Airlines
SEA
8:35p
BOS
6:31a
9h 56m
1 stop
BOS
3:00a
SEA
9:12a
6h 12m
nonstop
Depart: Tue May 12 2015 Return: Wed May 27 2015 Trip spans 16 days
United
United
SEA
4:05a
BOS
11:38a
7h 33m
1 stop
BOS
2:00p
SEA
11:44p
9h 44m
1 stop
Depart: Sun May 17 2015 Return: Wed May 27 2015 Trip spans 11 days
United
United
SEA
5:15p
BOS
12:21a
7h 06m
1 stop
BOS
2:00p
SEA
11:44p
9h 44m
1 stop
Depart: Mon May 18 2015 Return: Wed May 27 2015 Trip spans 10 days
United
United
SEA
9:04p
BOS
5:50a
8h 46m
1 stop
BOS
2:00p
SEA
11:44p
9h 44m
1 stop
Depart: Tue May 19 2015 Return: Wed May 27 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: Wed May 27 2015 Return: Wed Jun 3 2015 Trip spans 8 days
United
United
SEA
5:16p
BOS
1:09a
7h 53m
1 stop
BOS
2:00p
SEA
11:49p
9h 49m
1 stop
Depart: Mon Jun 1 2015 Return: Wed Jun 3 2015 Trip spans 3 days
United
United
SEA
8:46p
BOS
4:25a
7h 39m
1 stop
BOS
2:00p
SEA
11:49p
9h 49m
1 stop
Depart: Tue Jun 2 2015 Return: Wed Jun 3 2015 Trip spans 2 days
American Airlines
American Airlines
SEA
4:20a
BOS
2:30p
10h 10m
1 stop
BOS
3:05a
SEA
1:38p
10h 33m
1 stop
Depart: Thu Jun 4 2015 Return: Tue Jun 9 2015 Trip spans 6 days
Virgin America
Virgin America
SEA
1:40p
BOS
12:35a
10h 55m
1 stop
BOS
5:00a
SEA
3:55p
10h 55m
1 stop
Depart: Tue Aug 11 2015 Return: Mon Aug 17 2015 Trip spans 7 days
US Airways
US Airways
SEA
8:35p
BOS
6:30a
9h 55m
1 stop
BOS
8:30a
SEA
8:06p
11h 36m
1 stop
Depart: Wed Aug 26 2015 Return: Tue Sep 1 2015 Trip spans 7 days
Delta
Delta
SEA
7:59p
BOS
4:40a
8h 41m
1 stop
BOS
11:00a
SEA
8:55p
9h 55m
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 3 - May 10
9069 9:20 am 5:52 pm May 4 - May 4
9069 9:20 am 5:52 pm May 11 - Jun 5
9069 9:30 am 5:55 pm Apr 29 - May 2
9069 9:30 am 5:55 pm Apr 28 - Apr 28
7505 3:20 pm 11:51 pm May 10 - Jun 4
7512 10:20 pm 6:44 am May 5 - May 5
7512 10:20 pm 6:33 am Apr 7 - May 2
7512 10:20 pm 6:44 am May 3 - May 9
7512 11:20 pm 7:45 am May 10 - Jun 5
Airports
Origin

Seattle
$260
Destination

Boston
$260