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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: Sun Feb 15 2015 Return: Wed Feb 18 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
5:10p
BOS
10:20p
5h 10m
nonstop
BOS
1:40p
SEA
8:09p
6h 29m
nonstop
Depart: Wed Feb 18 2015 Return: Thu Feb 19 2015 Trip spans 2 days
American Airlines
American Airlines
SEA
5:10p
BOS
10:20p
5h 10m
nonstop
BOS
2:40a
SEA
9:10a
6h 30m
nonstop
Depart: Mon Feb 16 2015 Return: Thu Feb 19 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
5:10p
BOS
10:20p
5h 10m
nonstop
BOS
2:40a
SEA
9:10a
6h 30m
nonstop
Depart: Thu Feb 19 2015 Return: Fri Mar 20 2015 Trip spans 29 days
Alaska Airlines
Alaska Airlines
SEA
5:10p
BOS
10:20p
5h 10m
nonstop
BOS
4:00a
SEA
10:23a
6h 23m
nonstop
Depart: Wed Feb 25 2015 Return: Thu Feb 26 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
5:10p
BOS
10:20p
5h 10m
nonstop
BOS
1:40p
SEA
8:09p
6h 29m
nonstop
Depart: Thu Feb 26 2015 Return: Fri Feb 27 2015 Trip spans 2 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 Mar 2 2015 Return: Tue Mar 3 2015 Trip spans 2 days
American Airlines
American Airlines
SEA
5:10p
BOS
10:20p
5h 10m
nonstop
BOS
1:40p
SEA
8:09p
6h 29m
nonstop
Depart: Wed Mar 4 2015 Return: Sat Mar 7 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
5:10p
BOS
10:20p
5h 10m
nonstop
BOS
1:40p
SEA
8:09p
6h 29m
nonstop
Depart: Thu Mar 5 2015 Return: Mon Mar 9 2015 Trip spans 4 days
American Airlines
American Airlines
SEA
5:10p
BOS
10:20p
5h 10m
nonstop
BOS
2:55p
SEA
9:17p
6h 22m
nonstop
Depart: Fri Mar 6 2015 Return: Sat Mar 7 2015 Trip spans 2 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 Mar 9 2015 Return: Tue Mar 10 2015 Trip spans 2 days
American Airlines
American Airlines
SEA
6:20p
BOS
11:38p
5h 18m
nonstop
BOS
4:00a
SEA
10:23a
6h 23m
nonstop
Depart: Tue Mar 10 2015 Return: Wed Mar 11 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
6:20p
BOS
11:38p
5h 18m
nonstop
BOS
2:55p
SEA
9:17p
6h 22m
nonstop
Depart: Wed Mar 11 2015 Return: Thu Mar 12 2015 Trip spans 2 days
American Airlines
American Airlines
SEA
6:20p
BOS
11:38p
5h 18m
nonstop
BOS
4:00a
SEA
10:23a
6h 23m
nonstop
Depart: Mon Mar 16 2015 Return: Sun Mar 22 2015 Trip spans 7 days
Alaska Airlines
Alaska Airlines
SEA
6:20p
BOS
11:38p
5h 18m
nonstop
BOS
2:55p
SEA
9:17p
6h 22m
nonstop
Depart: Sat Feb 14 2015 Return: Wed Feb 18 2015 Trip spans 5 days
JetBlue Airways
JetBlue Airways
SEA
6:14p
BOS
11:19p
5h 05m
nonstop
BOS
5:04a
SEA
11:23a
6h 19m
nonstop
Depart: Mon May 18 2015 Return: Wed May 27 2015 Trip spans 10 days
Multiple Airlines
Multiple Airlines
SEA
11:20a
BOS
4:51p
5h 31m
nonstop
BOS
5:00a
SEA
3:55p
10h 55m
1 stop
Depart: Wed May 6 2015 Return: Sat May 9 2015 Trip spans 4 days
United
United
SEA
9:45a
BOS
4:59p
7h 14m
1 stop
BOS
2:00a
SEA
9:46a
7h 46m
1 stop
Depart: Thu May 7 2015 Return: Mon May 11 2015 Trip spans 5 days
Virgin America
Virgin America
SEA
3:00a
BOS
2:55p
11h 55m
1 stop
BOS
5:00a
SEA
3:55p
10h 55m
1 stop
Depart: Sun May 10 2015 Return: Sat May 16 2015 Trip spans 7 days
Delta
Delta
SEA
8:55p
BOS
6:56a
10h 01m
1 stop
BOS
5:00a
SEA
2:35p
9h 35m
1 stop
Depart: Tue Feb 3 2015 Return: Tue Feb 17 2015 Trip spans 15 days
US Airways
US Airways
SEA
3:35a
BOS
10:31a
6h 56m
1 stop
BOS
12:58p
SEA
9:25p
8h 27m
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 9:15 am 5:35 pm Feb 18 - Feb 18
9069 9:15 am 5:35 pm Mar 5 - Mar 5
9069 9:15 am 5:35 pm Feb 19 - Mar 3
9069 9:15 am 5:35 pm Mar 4 - Mar 7
9069 9:15 am 5:35 pm Feb 8 - Feb 17
9069 9:35 am 5:54 pm Mar 8 - Mar 31
7512 10:10 pm 6:20 am Mar 6 - Mar 6
7512 10:10 pm 6:20 am Feb 23 - Mar 4
7512 10:10 pm 6:20 am Feb 18 - Feb 22
7512 10:10 pm 6:20 am Feb 9 - Feb 16
7512 10:10 pm 6:20 am Feb 26 - Feb 27
7512 10:10 pm 6:20 am Mar 5 - Mar 5
7512 10:10 pm 6:20 am Feb 8 - Feb 15
7512 10:20 pm 6:38 am Mar 8 - Mar 31
Airports
Origin

Seattle
$287
Destination

Boston
$287