Find Cheap Flights from Seattle/Tacoma Intl to Boston Logan International (SEA - BOS)

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 Seattle/Tacoma Intl to Boston Logan International

(Round-trip)
Depart: Fri Dec 1 2017 Return: Sat Dec 2 2017 Trip spans 2 days
Major Airline
Major Airline
SEA
9:15p
BOS
2:38a
5h 23m
nonstop
BOS
11:02a
SEA
5:19p
6h 17m
nonstop
Depart: Thu Nov 30 2017 Return: Sat Dec 2 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SEA
6:35p
BOS
11:48p
5h 13m
nonstop
BOS
1:55p
SEA
8:10p
6h 15m
nonstop
Depart: Sat Dec 9 2017 Return: Sat Jan 6 2018 Trip spans 29 days
Delta
Delta
SEA
6:30a
BOS
11:55a
5h 25m
nonstop
BOS
2:10a
SEA
8:30a
6h 20m
nonstop
Depart: Sun Dec 10 2017 Return: Fri Jan 5 2018 Trip spans 27 days
United
United
SEA
8:45a
BOS
4:32p
7h 47m
1 stop
BOS
11:00a
SEA
10:51p
11h 51m
1 stop
Depart: Tue Sep 26 2017 Return: Fri Sep 29 2017 Trip spans 4 days
JetBlue
JetBlue
SEA
7:29p
BOS
12:42a
5h 13m
nonstop
BOS
3:20p
SEA
9:38p
6h 18m
nonstop
Depart: Wed Oct 4 2017 Return: Thu Oct 12 2017 Trip spans 9 days
American Airlines
American Airlines
SEA
10:36a
BOS
5:58p
7h 22m
1 stop
BOS
1:00a
SEA
10:03a
9h 03m
1 stop
Depart: Wed Jun 28 2017 Return: Fri Jul 7 2017 Trip spans 10 days
Sun Country Air
Sun Country Air
SEA
8:45a
BOS
4:55p
8h 10m
1 stop
BOS
2:35a
SEA
10:50a
8h 15m
1 stop
Depart: Thu Aug 10 2017 Return: Sat Sep 9 2017 Trip spans 31 days
Spirit Airlines
Spirit Airlines
SEA
11:15a
BOS
11:52p
12h 37m
1 stop
BOS
12:40p
SEA
10:59p
10h 19m
1 stop
Depart: Wed Dec 13 2017 Return: Thu Jan 4 2018 Trip spans 23 days
Major Airline
Major Airline
SEA
7:35a
BOS
5:05p
9h 30m
1 stop
BOS
2:34a
SEA
2:06p
11h 32m
1 stop
Depart: Fri Dec 8 2017 Return: Fri Jan 5 2018 Trip spans 29 days
United
United
SEA
7:10a
BOS
2:59p
7h 49m
1 stop
BOS
1:00a
SEA
8:46a
7h 46m
1 stop
Depart: Sat Oct 7 2017 Return: Thu Oct 12 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
SEA
11:40a
BOS
4:59p
5h 19m
nonstop
BOS
3:05a
SEA
9:35a
6h 30m
nonstop
Depart: Mon Oct 9 2017 Return: Thu Oct 12 2017 Trip spans 4 days
Delta
Delta
SEA
5:00p
BOS
10:26p
5h 26m
nonstop
BOS
3:15a
SEA
9:25a
6h 10m
nonstop
Depart: Tue Jul 11 2017 Return: Tue Sep 5 2017 Trip spans 57 days
American Airlines
American Airlines
SEA
9:26p
BOS
5:57a
8h 31m
1 stop
BOS
2:05a
SEA
10:02a
7h 57m
1 stop
Depart: Sun Jul 2 2017 Return: Fri Jul 7 2017 Trip spans 6 days
Sun Country Air
Sun Country Air
SEA
8:45a
BOS
4:55p
8h 10m
1 stop
BOS
2:35a
SEA
12:55p
10h 20m
1 stop
Depart: Tue Oct 10 2017 Return: Thu Oct 12 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SEA
11:40a
BOS
4:59p
5h 19m
nonstop
BOS
3:05a
SEA
9:35a
6h 30m
nonstop
Depart: Fri Oct 13 2017 Return: Wed Oct 18 2017 Trip spans 6 days
Delta
Delta
SEA
5:00p
BOS
10:26p
5h 26m
nonstop
BOS
3:15a
SEA
9:25a
6h 10m
nonstop
Depart: Fri Sep 29 2017 Return: Tue Oct 10 2017 Trip spans 12 days
Major Airline
Major Airline
SEA
11:35p
BOS
11:00a
11h 25m
1 stop
BOS
1:10a
SEA
12:04p
10h 54m
1 stop
Depart: Thu Sep 7 2017 Return: Fri Sep 8 2017 Trip spans 2 days
United
United
SEA
8:24p
BOS
5:25a
9h 01m
1 stop
BOS
11:45a
SEA
11:57p
12h 12m
1 stop
Depart: Sun Nov 19 2017 Return: Wed Nov 29 2017 Trip spans 11 days
JetBlue
JetBlue
SEA
5:50p
BOS
11:00p
5h 10m
nonstop
BOS
3:41a
SEA
10:00a
6h 19m
nonstop
Depart: Mon Jul 3 2017 Return: Fri Jul 7 2017 Trip spans 5 days
Sun Country Air
Sun Country Air
SEA
7:55p
BOS
3:45a
7h 50m
1 stop
BOS
2:35a
SEA
12:55p
10h 20m
1 stop
Direct flights SEA to BOS on American Airlines
Flight # Depart SEA Arrive BOS Sun Mon Tue Wed Thu Fri Sat Valid Between
7088 7:05 am 3:41 pm Jul 26 - Aug 1
7088 7:05 am 3:41 pm Jul 27 - Aug 5
7088 7:05 am 3:36 pm Jul 9 - Jul 16
7088 7:05 am 3:41 pm Jul 19 - Jul 25
7088 7:05 am 3:41 pm Jul 17 - Jul 24
7088 7:05 am 3:36 pm Jul 8 - Jul 15
7088 7:05 am 3:36 pm Jun 29 - Jul 4
7088 7:05 am 3:36 pm Jun 30 - Jul 7
6874 3:40 pm 11:59 pm Jul 8 - Jul 16
6874 3:40 pm 11:56 pm Aug 4 - Aug 11
6874 3:40 pm 11:56 pm Aug 3 - Aug 9
6874 3:40 pm 11:59 pm Jul 13 - Jul 14
6874 3:40 pm 11:56 pm Jul 18 - Jul 25
6874 3:40 pm 11:56 pm Jul 17 - Jul 21
6874 3:40 pm 11:59 pm Jun 29 - Jul 6
6874 3:40 pm 11:56 pm Jul 26 - Aug 2
6874 3:40 pm 11:59 pm Jul 1 - Jul 7
7103 11:07 pm 7:21 am Jul 17 - Jul 24
7103 11:07 pm 7:21 am Jul 18 - Jul 30
7103 11:07 pm 7:23 am Jun 29 - Jul 5
7103 11:07 pm 7:23 am Jul 1 - Jul 7
7103 11:07 pm 7:23 am Jul 8 - Jul 15
7103 11:07 pm 7:21 am Aug 3 - Aug 10
7103 11:07 pm 7:21 am Jul 31 - Aug 9
7103 11:07 pm 7:23 am Jul 12 - Jul 16
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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^ The fares displayed in KAYAK ads found on other sites include all taxes and fees for economy class travel and were found by KAYAK users in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
Airports
Origin

Seattle
$221
Destination

Boston
$221
Airlines Airline reviews

92 travelers who booked a flight from Seattle to Boston rated their chosen airlines with an average of 7.8.

Overall
8.1
Boarding
8.1
Crew
8.8
Comfort
7.7
Food
6.6
Entertainment
6.5