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: Tue Oct 10 2017 Return: Wed Oct 18 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
SEA
11:40a
BOS
4:59p
5h 19m
nonstop
BOS
3:05a
SEA
9:35a
6h 30m
nonstop
Depart: Sun May 28 2017 Return: Sat Jun 3 2017 Trip spans 7 days
Major Airline
Major Airline
SEA
1:00a
BOS
2:58a
1h 58m
nonstop
BOS
9:00a
SEA
4:58p
7h 58m
nonstop
Depart: Wed Oct 11 2017 Return: Wed Oct 18 2017 Trip spans 8 days
Delta
Delta
SEA
5:50a
BOS
11:15a
5h 25m
nonstop
BOS
3:15a
SEA
9:25a
6h 10m
nonstop
Depart: Wed Oct 18 2017 Return: Sat Oct 28 2017 Trip spans 11 days
United
United
SEA
8:50a
BOS
3:59p
7h 09m
1 stop
BOS
2:00a
SEA
9:46a
7h 46m
1 stop
Depart: Tue Sep 12 2017 Return: Wed Sep 13 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
SEA
11:42a
BOS
11:58p
12h 16m
1 stop
BOS
12:40p
SEA
10:59p
10h 19m
1 stop
Depart: Sat Sep 23 2017 Return: Wed Sep 27 2017 Trip spans 5 days
American Airlines
American Airlines
SEA
7:13a
BOS
5:20p
10h 07m
1 stop
BOS
1:00a
SEA
10:03a
9h 03m
1 stop
Depart: Thu Sep 28 2017 Return: Tue Oct 3 2017 Trip spans 6 days
JetBlue
JetBlue
SEA
7:23a
BOS
12:48p
5h 25m
nonstop
BOS
3:14a
SEA
9:32a
6h 18m
nonstop
Depart: Fri Aug 25 2017 Return: Sun Aug 27 2017 Trip spans 3 days
Sun Country Air
Sun Country Air
SEA
1:35p
BOS
3:50a
14h 15m
1 stop
BOS
2:55a
SEA
10:50a
7h 55m
1 stop
Depart: Mon Oct 16 2017 Return: Sat Oct 21 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
SEA
7:35p
BOS
12:50a
5h 15m
nonstop
BOS
3:05a
SEA
9:35a
6h 30m
nonstop
Depart: Tue May 30 2017 Return: Sat Jun 3 2017 Trip spans 5 days
Major Airline
Major Airline
SEA
1:00a
BOS
2:58a
1h 58m
nonstop
BOS
9:00a
SEA
4:58p
7h 58m
nonstop
Depart: Mon Sep 18 2017 Return: Tue Sep 26 2017 Trip spans 9 days
Delta
Delta
SEA
8:55p
BOS
3:48a
6h 53m
1 stop
BOS
3:20a
SEA
9:30a
6h 10m
nonstop
Depart: Sat Sep 9 2017 Return: Sat Sep 16 2017 Trip spans 8 days
United
United
SEA
5:30a
BOS
5:09p
11h 39m
2 stops
BOS
4:30a
SEA
2:32p
10h 02m
1 stop
Depart: Sat Sep 30 2017 Return: Mon Oct 9 2017 Trip spans 10 days
American Airlines
American Airlines
SEA
7:56a
BOS
3:37p
7h 41m
1 stop
BOS
2:30p
SEA
10:40p
8h 10m
1 stop
Depart: Mon Oct 23 2017 Return: Sat Oct 28 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
SEA
11:40a
BOS
4:59p
5h 19m
nonstop
BOS
2:55p
SEA
9:15p
6h 20m
nonstop
Depart: Sat Jun 17 2017 Return: Tue Jun 20 2017 Trip spans 4 days
Spirit Airlines
Spirit Airlines
SEA
11:15a
BOS
11:52p
12h 37m
1 stop
BOS
3:58p
SEA
11:59p
32h 01m
1 stop
Depart: Mon May 29 2017 Return: Sat Jun 3 2017 Trip spans 6 days
Major Airline
Major Airline
SEA
1:00a
BOS
2:58a
1h 58m
nonstop
BOS
9:00a
SEA
4:58p
7h 58m
nonstop
Depart: Sun Oct 1 2017 Return: Sun Oct 29 2017 Trip spans 29 days
Delta
Delta
SEA
12:55p
BOS
10:31p
9h 36m
1 stop
BOS
1:35p
SEA
7:54p
6h 19m
nonstop
Depart: Wed Jul 19 2017 Return: Tue Jul 25 2017 Trip spans 7 days
United
United
SEA
7:44p
BOS
4:26a
8h 42m
1 stop
BOS
5:36a
SEA
2:55p
9h 19m
1 stop
Depart: Wed Oct 25 2017 Return: Mon Oct 30 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
SEA
3:15a
BOS
8:38a
5h 23m
nonstop
BOS
2:55p
SEA
9:15p
6h 20m
nonstop
Depart: Wed Aug 30 2017 Return: Tue Sep 5 2017 Trip spans 7 days
Spirit Airlines
Spirit Airlines
SEA
11:15a
BOS
11:52p
12h 37m
1 stop
BOS
3:58p
SEA
1:17p
21h 19m
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 3:36 pm Jun 30 - Jul 7
7088 7:05 am 3:36 pm Jun 4 - Jun 16
7088 7:05 am 3:36 pm Jun 17 - Jun 24
7088 7:05 am 3:36 pm Jun 18 - Jun 28
7088 7:05 am 3:36 pm Jun 29 - Jul 4
7088 7:10 am 3:45 pm May 29 - Jun 3
6874 3:30 pm 11:58 pm May 28 - Jun 2
6874 3:35 pm 12:03 am Jun 3 - Jun 3
6874 3:40 pm 11:59 pm Jul 2 - Jul 11
6874 3:40 pm 11:59 pm Jul 1 - Jul 7
6874 3:40 pm 11:59 pm Jun 24 - Jun 30
6874 3:40 pm 11:59 pm Jun 14 - Jun 21
6874 3:40 pm 11:59 pm Jun 8 - Jun 13
6874 3:40 pm 11:59 pm Jun 5 - Jun 12
6874 3:40 pm 11:59 pm Jun 22 - Jun 28
7027 3:40 pm 11:59 pm Jun 4 - Jun 4
7103 11:00 pm 7:22 am Jun 3 - Jun 3
7103 11:01 pm 7:17 am Jun 4 - Jun 4
7103 11:03 pm 7:25 am May 29 - Jun 2
7103 11:07 pm 7:23 am Jun 26 - Jun 30
7103 11:07 pm 7:23 am Jul 1 - Jul 7
7103 11:07 pm 7:23 am Jun 22 - Jun 25
7103 11:07 pm 7:23 am Jun 8 - Jun 16
7103 11:07 pm 7:23 am Jun 5 - Jun 11
7103 11:07 pm 7:23 am Jun 13 - Jun 21
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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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
$299
Destination

Boston
$299
Airlines Airline reviews

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

Overall
8.0
Boarding
8.0
Crew
8.7
Comfort
7.6
Food
6.6
Entertainment
6.5