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Find Flight Deals from Boston Logan International to Seattle/Tacoma Intl (BOS - SEA)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Boston Logan International to Seattle/Tacoma Intl

(Round-trip)
Depart: Wed Apr 15 2015 Return: Wed Apr 22 2015 Trip spans 8 days
Sun Country Air
Sun Country Air
BOS
7:35a
SEA
3:15p
7h 40m
1 stop
SEA
1:00p
BOS
3:50a
14h 50m
1 stop
Depart: Sat Apr 25 2015 Return: Tue Apr 28 2015 Trip spans 4 days
Sun Country Air
Sun Country Air
BOS
7:35a
SEA
3:15p
7h 40m
1 stop
SEA
6:20a
BOS
1:10p
6h 50m
1 stop
Depart: Tue Apr 7 2015 Return: Tue Apr 28 2015 Trip spans 22 days
Multiple Airlines
Multiple Airlines
BOS
3:09p
SEA
9:22p
6h 13m
nonstop
SEA
6:20a
BOS
1:10p
6h 50m
1 stop
Depart: Wed Apr 29 2015 Return: Mon May 4 2015 Trip spans 6 days
Multiple Airlines
Multiple Airlines
BOS
7:35a
SEA
3:15p
7h 40m
1 stop
SEA
6:56a
BOS
12:26p
5h 30m
nonstop
Depart: Sat Mar 21 2015 Return: Wed Apr 1 2015 Trip spans 12 days
Alaska Airlines
Alaska Airlines
BOS
2:55p
SEA
9:17p
6h 22m
nonstop
SEA
6:20p
BOS
11:38p
5h 18m
nonstop
Depart: Mon Mar 30 2015 Return: Wed Apr 1 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
BOS
2:55p
SEA
9:17p
6h 22m
nonstop
SEA
6:20p
BOS
11:38p
5h 18m
nonstop
Depart: Tue Mar 31 2015 Return: Wed Apr 8 2015 Trip spans 9 days
Alaska Airlines
Alaska Airlines
BOS
2:55p
SEA
9:17p
6h 22m
nonstop
SEA
6:20p
BOS
11:33p
5h 13m
nonstop
Depart: Mon Mar 16 2015 Return: Wed Mar 18 2015 Trip spans 3 days
JetBlue Airways
JetBlue Airways
BOS
2:52p
SEA
9:05p
6h 13m
nonstop
SEA
8:58a
BOS
2:09p
5h 11m
nonstop
Depart: Tue Mar 17 2015 Return: Wed Mar 18 2015 Trip spans 2 days
JetBlue Airways
JetBlue Airways
BOS
4:55a
SEA
11:07a
6h 12m
nonstop
SEA
8:58a
BOS
2:09p
5h 11m
nonstop
Depart: Wed Mar 18 2015 Return: Tue Mar 31 2015 Trip spans 14 days
JetBlue Airways
JetBlue Airways
BOS
2:52p
SEA
9:05p
6h 13m
nonstop
SEA
9:03a
BOS
2:14p
5h 11m
nonstop
Depart: Thu Mar 19 2015 Return: Tue Mar 31 2015 Trip spans 13 days
JetBlue Airways
JetBlue Airways
BOS
4:55a
SEA
11:07a
6h 12m
nonstop
SEA
7:14p
BOS
12:24a
5h 10m
nonstop
Depart: Mon Mar 23 2015 Return: Tue Mar 31 2015 Trip spans 9 days
JetBlue Airways
JetBlue Airways
BOS
4:55a
SEA
11:07a
6h 12m
nonstop
SEA
7:14p
BOS
12:24a
5h 10m
nonstop
Depart: Tue Mar 24 2015 Return: Tue Mar 31 2015 Trip spans 8 days
JetBlue Airways
JetBlue Airways
BOS
4:55a
SEA
11:07a
6h 12m
nonstop
SEA
7:14p
BOS
12:24a
5h 10m
nonstop
Depart: Wed Mar 25 2015 Return: Tue Mar 31 2015 Trip spans 7 days
JetBlue Airways
JetBlue Airways
BOS
2:52p
SEA
9:05p
6h 13m
nonstop
SEA
7:14p
BOS
12:24a
5h 10m
nonstop
Depart: Wed Apr 1 2015 Return: Wed Apr 8 2015 Trip spans 8 days
JetBlue Airways
JetBlue Airways
BOS
3:10p
SEA
9:23p
6h 13m
nonstop
SEA
7:13p
BOS
12:23a
5h 10m
nonstop
Depart: Thu Apr 9 2015 Return: Mon Apr 13 2015 Trip spans 5 days
JetBlue Airways
JetBlue Airways
BOS
3:09p
SEA
9:22p
6h 13m
nonstop
SEA
7:13p
BOS
12:23a
5h 10m
nonstop
Depart: Thu Apr 23 2015 Return: Tue Apr 28 2015 Trip spans 6 days
United
United
BOS
3:25a
SEA
1:16p
9h 51m
1 stop
SEA
3:50a
BOS
1:45p
9h 55m
1 stop
Depart: Mon May 11 2015 Return: Sun May 24 2015 Trip spans 14 days
Virgin America
Virgin America
BOS
5:00a
SEA
3:55p
10h 55m
1 stop
SEA
6:10a
BOS
3:00p
8h 50m
1 stop
Depart: Fri Mar 20 2015 Return: Tue Mar 24 2015 Trip spans 5 days
Delta
Delta
BOS
4:00a
SEA
3:30p
11h 30m
1 stop
SEA
3:00a
BOS
11:32a
8h 32m
1 stop
Depart: Tue Mar 10 2015 Return: Tue Mar 31 2015 Trip spans 22 days
American Airlines
American Airlines
BOS
11:30a
SEA
8:13p
8h 43m
1 stop
SEA
10:40a
BOS
6:01p
7h 21m
1 stop
Change your search
Direct flights BOS to SEA on Delta
Flight # Depart BOS Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
9238 8:00 am 11:21 am Apr 5 - May 2
9238 8:00 am 11:23 am Mar 9 - Apr 4
7482 6:55 pm 10:17 pm Mar 8 - Apr 4
7482 6:55 pm 10:10 pm Apr 5 - Apr 27
Airports
Origin

Boston
$244
Destination

Seattle
$244