Find Cheap Flights from Boston Logan International to Seattle

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Boston Logan International to Seattle

(Round-trip)
Depart: Sat Dec 2 2017 Return: Tue Dec 5 2017 Trip spans 4 days
JetBlue
JetBlue
BOS
4:02p
SEA
10:19p
6h 17m
nonstop
SEA
7:51a
BOS
1:02p
5h 11m
nonstop
Depart: Wed Sep 20 2017 Return: Tue Sep 26 2017 Trip spans 7 days
Spirit Airlines
Spirit Airlines
BOS
12:40p
SEA
10:59p
10h 19m
1 stop
SEA
11:05a
BOS
10:59p
11h 54m
1 stop
Depart: Thu Nov 16 2017 Return: Thu Nov 30 2017 Trip spans 15 days
Delta
Delta
BOS
12:35p
SEA
6:54p
6h 19m
nonstop
SEA
6:30a
BOS
11:55a
5h 25m
nonstop
Depart: Mon Dec 11 2017 Return: Mon Dec 25 2017 Trip spans 15 days
Alaska Airlines
Alaska Airlines
BOS
2:10a
SEA
8:53a
6h 43m
nonstop
SEA
4:30p
BOS
9:38p
5h 08m
nonstop
Depart: Tue Nov 21 2017 Return: Thu Nov 30 2017 Trip spans 10 days
United
United
BOS
1:00a
SEA
9:15a
8h 15m
1 stop
SEA
8:45a
BOS
4:32p
7h 47m
1 stop
Depart: Wed Jul 26 2017 Return: Fri Jul 28 2017 Trip spans 3 days
Sun Country Air
Sun Country Air
BOS
2:35a
SEA
10:50a
8h 15m
1 stop
SEA
8:45a
BOS
4:55p
8h 10m
1 stop
Depart: Thu Nov 30 2017 Return: Wed Dec 6 2017 Trip spans 7 days
JetBlue
JetBlue
BOS
3:41a
SEA
10:00a
6h 19m
nonstop
SEA
7:51a
BOS
1:02p
5h 11m
nonstop
Depart: Mon Dec 4 2017 Return: Wed Dec 13 2017 Trip spans 10 days
JetBlue
JetBlue
BOS
3:41a
SEA
10:00a
6h 19m
nonstop
SEA
7:51a
BOS
1:02p
5h 11m
nonstop
Depart: Wed Oct 11 2017 Return: Wed Oct 25 2017 Trip spans 15 days
Spirit Airlines
Spirit Airlines
BOS
12:40p
SEA
10:59p
10h 19m
1 stop
SEA
11:05a
BOS
10:59p
11h 54m
1 stop
Depart: Fri Nov 24 2017 Return: Thu Nov 30 2017 Trip spans 7 days
Delta
Delta
BOS
2:35a
SEA
8:45a
6h 10m
nonstop
SEA
6:30a
BOS
11:55a
5h 25m
nonstop
Depart: Thu Dec 14 2017 Return: Mon Dec 25 2017 Trip spans 12 days
Alaska Airlines
Alaska Airlines
BOS
2:10a
SEA
8:53a
6h 43m
nonstop
SEA
4:30p
BOS
9:38p
5h 08m
nonstop
Depart: Thu Dec 7 2017 Return: Sat Dec 9 2017 Trip spans 3 days
JetBlue
JetBlue
BOS
4:02p
SEA
10:19p
6h 17m
nonstop
SEA
5:50p
BOS
11:00p
5h 10m
nonstop
Depart: Wed Oct 18 2017 Return: Wed Oct 25 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
BOS
12:40p
SEA
10:59p
10h 19m
1 stop
SEA
11:05a
BOS
10:59p
11h 54m
1 stop
Depart: Fri Dec 8 2017 Return: Sat Dec 9 2017 Trip spans 2 days
JetBlue
JetBlue
BOS
4:02p
SEA
10:19p
6h 17m
nonstop
SEA
5:50p
BOS
11:00p
5h 10m
nonstop
Depart: Sun Sep 24 2017 Return: Tue Sep 26 2017 Trip spans 3 days
United
United
BOS
1:55a
SEA
10:17a
8h 22m
1 stop
SEA
10:05a
BOS
5:46p
7h 41m
1 stop
Depart: Mon Oct 30 2017 Return: Thu Nov 2 2017 Trip spans 4 days
Spirit Airlines
Spirit Airlines
BOS
12:40p
SEA
10:59p
10h 19m
1 stop
SEA
2:00a
BOS
12:59p
10h 59m
2 stops
Depart: Thu Jul 27 2017 Return: Mon Jul 31 2017 Trip spans 5 days
Sun Country Air
Sun Country Air
BOS
2:35a
SEA
12:55p
10h 20m
1 stop
SEA
7:55p
BOS
3:45a
7h 50m
1 stop
Depart: Sat Sep 9 2017 Return: Mon Sep 18 2017 Trip spans 10 days
Delta
Delta
BOS
3:15a
SEA
9:34a
6h 19m
nonstop
SEA
5:10p
BOS
10:35p
5h 25m
nonstop
Depart: Tue Oct 31 2017 Return: Tue Nov 14 2017 Trip spans 15 days
Alaska Airlines
Alaska Airlines
BOS
2:55p
SEA
9:15p
6h 20m
nonstop
SEA
4:35p
BOS
9:39p
5h 04m
nonstop
Depart: Sat Dec 9 2017 Return: Sun Dec 10 2017 Trip spans 2 days
JetBlue
JetBlue
BOS
4:02p
SEA
10:19p
6h 17m
nonstop
SEA
5:50p
BOS
11:00p
5h 10m
nonstop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Boston
$227
Destination

Seattle
$227
Airlines Airline reviews

102 travelers who booked a flight from Boston to Seattle rated their chosen airlines with an average of 8.1.

Overall
8.4
Boarding
8.5
Crew
8.7
Comfort
8.1
Food
7.1
Entertainment
7.2