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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: Fri Apr 10 2015 Return: Wed Apr 15 2015 Trip spans 6 days
Sun Country Air
Sun Country Air
SEA
1:00p
BOS
3:50a
14h 50m
1 stop
BOS
7:35a
SEA
3:15p
7h 40m
1 stop
Depart: Tue Apr 14 2015 Return: Wed Apr 15 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 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: Mon Apr 13 2015 Return: Wed Apr 15 2015 Trip spans 3 days
Multiple Airlines
Multiple Airlines
SEA
8:15p
BOS
4:47a
8h 32m
1 stop
BOS
7:35a
SEA
3:15p
7h 40m
1 stop
Depart: Wed Apr 15 2015 Return: Fri Apr 24 2015 Trip spans 10 days
Multiple Airlines
Multiple Airlines
SEA
10:40a
BOS
6:01p
7h 21m
1 stop
BOS
7:35a
SEA
3:15p
7h 40m
1 stop
Depart: Tue Apr 28 2015 Return: Mon May 4 2015 Trip spans 7 days
Multiple Airlines
Multiple Airlines
SEA
6:20a
BOS
1:10p
6h 50m
1 stop
BOS
10:32a
SEA
6:07p
7h 35m
1 stop
Depart: Mon Mar 16 2015 Return: Thu Mar 19 2015 Trip spans 4 days
JetBlue Airways
JetBlue Airways
SEA
6:59p
BOS
12:09a
5h 10m
nonstop
BOS
4:55a
SEA
11:07a
6h 12m
nonstop
Depart: Tue Mar 17 2015 Return: Thu Mar 19 2015 Trip spans 3 days
JetBlue Airways
JetBlue Airways
SEA
6:59p
BOS
12:09a
5h 10m
nonstop
BOS
2:52p
SEA
9:05p
6h 13m
nonstop
Depart: Wed Mar 18 2015 Return: Tue Mar 31 2015 Trip spans 14 days
JetBlue Airways
JetBlue Airways
SEA
8:58a
BOS
2:09p
5h 11m
nonstop
BOS
3:10p
SEA
9:23p
6h 13m
nonstop
Depart: Tue Mar 24 2015 Return: Wed Apr 1 2015 Trip spans 9 days
JetBlue Airways
JetBlue Airways
SEA
6:59p
BOS
12:09a
5h 10m
nonstop
BOS
3:10p
SEA
9:23p
6h 13m
nonstop
Depart: Wed Mar 25 2015 Return: Tue Mar 31 2015 Trip spans 7 days
JetBlue Airways
JetBlue Airways
SEA
8:58a
BOS
2:09p
5h 11m
nonstop
BOS
3:10p
SEA
9:23p
6h 13m
nonstop
Depart: Tue Mar 31 2015 Return: Wed Apr 1 2015 Trip spans 2 days
JetBlue Airways
JetBlue Airways
SEA
9:03a
BOS
2:14p
5h 11m
nonstop
BOS
3:10p
SEA
9:23p
6h 13m
nonstop
Depart: Wed Apr 1 2015 Return: Tue Apr 7 2015 Trip spans 7 days
JetBlue Airways
JetBlue Airways
SEA
9:03a
BOS
2:14p
5h 11m
nonstop
BOS
3:09p
SEA
9:22p
6h 13m
nonstop
Depart: Mon Apr 20 2015 Return: Sat Apr 25 2015 Trip spans 6 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 Apr 27 2015 Return: Tue May 5 2015 Trip spans 9 days
JetBlue Airways
JetBlue Airways
SEA
7:13p
BOS
12:23a
5h 10m
nonstop
BOS
3:00a
SEA
9:05a
6h 05m
nonstop
Depart: Mon Mar 30 2015 Return: Tue Apr 7 2015 Trip spans 9 days
Alaska Airlines
Alaska Airlines
SEA
8:40p
BOS
5:02a
8h 22m
1 stop
BOS
4:00a
SEA
10:21a
6h 21m
nonstop
Depart: Tue May 5 2015 Return: Sat May 9 2015 Trip spans 5 days
United
United
SEA
3:50a
BOS
1:45p
9h 55m
1 stop
BOS
8:00a
SEA
7:58p
11h 58m
1 stop
Depart: Thu May 7 2015 Return: Fri May 8 2015 Trip spans 2 days
Delta
Delta
SEA
12:22p
BOS
10:42p
10h 20m
1 stop
BOS
5:00a
SEA
4:35p
11h 35m
1 stop
Depart: Wed Sep 9 2015 Return: Wed Sep 16 2015 Trip spans 8 days
Virgin America
Virgin America
SEA
3:00a
BOS
2:40p
11h 40m
1 stop
BOS
7:05a
SEA
6:30p
11h 25m
1 stop
Depart: Thu May 14 2015 Return: Fri May 15 2015 Trip spans 2 days
American Airlines
American Airlines
SEA
8:15p
BOS
4:47a
8h 32m
1 stop
BOS
10:40a
SEA
8:44p
10h 04m
1 stop
Change your search
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 Apr 5 - Apr 27
9069 9:35 am 5:54 pm Mar 8 - Apr 4
7512 10:20 pm 6:38 am Mar 8 - Apr 4
7512 10:20 pm 6:33 am Apr 5 - May 2
Airports
Origin

Seattle
$244
Destination

Boston
$244