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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: Thu Jan 22 2015 Return: Fri Jan 23 2015 Trip spans 2 days
American Airlines
American Airlines
SEA
5:10p
BOS
10:25p
5h 15m
nonstop
BOS
2:35a
SEA
9:07a
6h 32m
nonstop
Depart: Wed Feb 4 2015 Return: Thu Feb 5 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
5:10p
BOS
10:25p
5h 15m
nonstop
BOS
2:35a
SEA
9:07a
6h 32m
nonstop
Depart: Sat Jan 31 2015 Return: Sun Feb 1 2015 Trip spans 2 days
JetBlue Airways
JetBlue Airways
SEA
6:05p
BOS
11:11p
5h 06m
nonstop
BOS
5:03a
SEA
11:22a
6h 19m
nonstop
Depart: Tue Feb 10 2015 Return: Fri Feb 20 2015 Trip spans 11 days
Multiple Airlines
Multiple Airlines
SEA
12:15a
BOS
8:54a
8h 39m
1 stop
BOS
5:04a
SEA
11:23a
6h 19m
nonstop
Depart: Thu Mar 12 2015 Return: Fri Mar 13 2015 Trip spans 2 days
JetBlue Airways
JetBlue Airways
SEA
6:59p
BOS
12:06a
5h 07m
nonstop
BOS
6:10a
SEA
12:23p
6h 13m
nonstop
Depart: Tue Jan 20 2015 Return: Wed Jan 21 2015 Trip spans 2 days
American Airlines
American Airlines
SEA
6:50p
BOS
4:21a
9h 31m
1 stop
BOS
8:15a
SEA
8:29p
12h 14m
1 stop
Depart: Tue Feb 3 2015 Return: Wed Feb 4 2015 Trip spans 2 days
American Airlines
American Airlines
SEA
6:50p
BOS
4:21a
9h 31m
1 stop
BOS
10:40a
SEA
9:25p
10h 45m
1 stop
Depart: Thu Feb 5 2015 Return: Wed Feb 11 2015 Trip spans 7 days
US Airways
US Airways
SEA
12:15a
BOS
8:54a
8h 39m
1 stop
BOS
9:30a
SEA
7:13p
9h 43m
1 stop
Depart: Wed Jan 21 2015 Return: Sat Jan 24 2015 Trip spans 4 days
American Airlines
American Airlines
SEA
4:20a
BOS
9:40a
5h 20m
nonstop
BOS
1:40p
SEA
8:14p
6h 34m
nonstop
Depart: Sun Jan 25 2015 Return: Sat Jan 31 2015 Trip spans 7 days
American Airlines
American Airlines
SEA
5:10p
BOS
10:25p
5h 15m
nonstop
BOS
1:40p
SEA
8:14p
6h 34m
nonstop
Depart: Wed Jan 28 2015 Return: Fri Jan 30 2015 Trip spans 3 days
American Airlines
American Airlines
SEA
5:10p
BOS
10:25p
5h 15m
nonstop
BOS
1:40p
SEA
8:14p
6h 34m
nonstop
Depart: Mon Feb 16 2015 Return: Fri Feb 20 2015 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
5:10p
BOS
10:20p
5h 10m
nonstop
BOS
1:40p
SEA
8:09p
6h 29m
nonstop
Depart: Mon Feb 23 2015 Return: Tue Mar 3 2015 Trip spans 9 days
Alaska Airlines
Alaska Airlines
SEA
5:10p
BOS
10:20p
5h 10m
nonstop
BOS
2:40a
SEA
9:10a
6h 30m
nonstop
Depart: Mon Mar 2 2015 Return: Mon Mar 9 2015 Trip spans 7 days
Alaska Airlines
Alaska Airlines
SEA
5:10p
BOS
10:20p
5h 10m
nonstop
BOS
2:55p
SEA
9:17p
6h 22m
nonstop
Depart: Mon Mar 16 2015 Return: Sat Mar 21 2015 Trip spans 6 days
Alaska Airlines
Alaska Airlines
SEA
6:20p
BOS
11:38p
5h 18m
nonstop
BOS
4:00a
SEA
10:23a
6h 23m
nonstop
Depart: Tue Mar 17 2015 Return: Thu Mar 19 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SEA
6:20p
BOS
11:38p
5h 18m
nonstop
BOS
2:55p
SEA
9:17p
6h 22m
nonstop
Depart: Tue Jan 6 2015 Return: Thu Jan 8 2015 Trip spans 3 days
JetBlue Airways
JetBlue Airways
SEA
9:13a
BOS
2:14p
5h 01m
nonstop
BOS
1:55p
SEA
8:14p
6h 19m
nonstop
Depart: Thu Jan 8 2015 Return: Mon Jan 12 2015 Trip spans 5 days
JetBlue Airways
JetBlue Airways
SEA
6:05p
BOS
11:11p
5h 06m
nonstop
BOS
1:55p
SEA
8:14p
6h 19m
nonstop
Depart: Tue Apr 14 2015 Return: Mon Apr 20 2015 Trip spans 7 days
United
United
SEA
9:45a
BOS
4:59p
7h 14m
1 stop
BOS
2:00a
SEA
9:46a
7h 46m
1 stop
Depart: Wed Jan 7 2015 Return: Mon Jan 12 2015 Trip spans 6 days
Delta
Delta
SEA
7:55p
BOS
2:50a
6h 55m
1 stop
BOS
9:28a
SEA
8:08p
10h 40m
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 9:20 am 5:40 pm Jan 11 - Feb 5
9069 9:20 am 5:39 pm Dec 18 - Jan 10
7512 10:05 pm 6:20 am Dec 18 - Jan 4
7512 10:10 pm 6:25 am Jan 5 - Feb 5
Airports
Origin

Seattle
$281
Destination

Boston
$281