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: Sat Jan 13 2018 Return: Sat Jan 27 2018 Trip spans 15 days
Alaska Airlines
Alaska Airlines
SEA
12:00a
BOS
5:18a
5h 18m
nonstop
BOS
12:00a
SEA
6:48a
6h 48m
nonstop
Depart: Sat Dec 2 2017 Return: Tue Dec 12 2017 Trip spans 11 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
BOS
5:09a
5h 09m
nonstop
BOS
12:00a
SEA
6:43a
6h 43m
nonstop
Depart: Sat Feb 3 2018 Return: Wed Feb 7 2018 Trip spans 5 days
JetBlue
JetBlue
SEA
12:00a
BOS
5:10a
5h 10m
nonstop
BOS
12:00a
SEA
6:27a
6h 27m
nonstop
Depart: Tue Nov 28 2017 Return: Fri Dec 1 2017 Trip spans 4 days
Spirit Airlines
Spirit Airlines
SEA
12:00a
BOS
4:44a
28h 44m
1 stop
BOS
12:00a
SEA
6:28p
18h 28m
1 stop
Depart: Mon Mar 5 2018 Return: Sun Mar 18 2018 Trip spans 13 days
Delta
Delta
SEA
12:00a
BOS
5:25a
5h 25m
nonstop
BOS
12:00a
SEA
6:15a
6h 15m
nonstop
Depart: Thu Nov 30 2017 Return: Tue Dec 5 2017 Trip spans 6 days
JetBlue
JetBlue
SEA
12:00a
BOS
5:11a
5h 11m
nonstop
BOS
12:00a
SEA
6:20a
6h 20m
nonstop
Depart: Sun Nov 19 2017 Return: Fri Nov 24 2017 Trip spans 6 days
American Airlines
American Airlines
SEA
12:00a
BOS
9:01a
9h 01m
1 stop
BOS
12:00a
SEA
9:26a
9h 26m
1 stop
Depart: Fri Dec 1 2017 Return: Mon Dec 4 2017 Trip spans 4 days
JetBlue
JetBlue
SEA
12:00a
BOS
5:11a
5h 11m
nonstop
BOS
12:00a
SEA
6:20a
6h 20m
nonstop
Depart: Tue Apr 3 2018 Return: Wed Apr 11 2018 Trip spans 9 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
BOS
5:18a
5h 18m
nonstop
BOS
12:00a
SEA
6:15a
6h 15m
nonstop
Depart: Tue May 8 2018 Return: Tue May 15 2018 Trip spans 8 days
Delta
Delta
SEA
12:00a
BOS
5:25a
5h 25m
nonstop
BOS
12:00a
SEA
6:20a
6h 20m
nonstop
Depart: Sun Apr 29 2018 Return: Sun May 6 2018 Trip spans 8 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
BOS
5:13a
5h 13m
nonstop
BOS
12:00a
SEA
6:15a
6h 15m
nonstop
Depart: Fri Mar 9 2018 Return: Wed Mar 21 2018 Trip spans 12 days
JetBlue
JetBlue
SEA
12:00a
BOS
5:15a
5h 15m
nonstop
BOS
12:00a
SEA
6:17a
6h 17m
nonstop
Depart: Wed May 23 2018 Return: Thu May 31 2018 Trip spans 9 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
BOS
12:49p
12h 49m
1 stop
BOS
12:00a
SEA
6:20a
6h 20m
nonstop
Depart: Thu Dec 28 2017 Return: Sat Dec 30 2017 Trip spans 3 days
Spirit Airlines
Spirit Airlines
SEA
12:00a
BOS
11:23a
11h 23m
1 stop
BOS
12:00a
SEA
10:59a
10h 59m
1 stop
Direct flights SEA to BOS on Delta
Flight # Depart SEA Arrive BOS Sun Mon Tue Wed Thu Fri Sat Valid Between
2635 9:55 am 6:20 pm Nov 25 - Nov 27
2635 11:30 am 7:45 pm Dec 2 - Dec 16
2635 11:30 am 7:48 pm Nov 28 - Dec 20
2635 11:30 am 7:54 pm Nov 18 - Nov 24
2635 11:55 am 8:12 pm Dec 21 - Jan 2
2199 10:05 pm 6:25 am Nov 26 - Nov 26
2199 10:10 pm 6:30 am Nov 25 - Nov 27
* 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
$195
Destination

Boston
$195