Find Cheap Flights 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 Manchester to Seattle

(Round-trip)
Depart: Tue Sep 19 2017 Return: Tue Sep 26 2017 Trip spans 8 days
United
United
MHT
2:30a
SEA
10:39a
8h 09m
1 stop
SEA
7:45p
MHT
3:10a
7h 25m
1 stop
Depart: Tue Oct 31 2017 Return: Sat Nov 4 2017 Trip spans 5 days
Delta
Delta
MHT
12:45p
SEA
9:07p
8h 22m
1 stop
SEA
5:35a
MHT
3:04p
9h 29m
1 stop
Depart: Wed Aug 30 2017 Return: Tue Sep 5 2017 Trip spans 7 days
American Airlines
American Airlines
MHT
2:02p
SEA
10:42p
8h 40m
1 stop
SEA
6:30p
MHT
3:09a
8h 39m
1 stop
Depart: Wed Sep 20 2017 Return: Sat Sep 23 2017 Trip spans 4 days
United
United
MHT
12:40p
SEA
8:59p
8h 19m
1 stop
SEA
1:55a
MHT
9:20a
7h 25m
1 stop
Depart: Fri Sep 22 2017 Return: Fri Sep 29 2017 Trip spans 8 days
United
United
MHT
1:42a
SEA
10:52a
9h 10m
1 stop
SEA
7:15p
MHT
3:52a
8h 37m
1 stop
Depart: Wed Sep 27 2017 Return: Sun Oct 1 2017 Trip spans 5 days
United
United
MHT
1:42a
SEA
10:52a
9h 10m
1 stop
SEA
7:47p
MHT
3:10a
7h 23m
1 stop
Depart: Sun Sep 10 2017 Return: Sat Sep 16 2017 Trip spans 7 days
Delta
Delta
MHT
2:12a
SEA
2:52p
12h 40m
2 stops
SEA
3:35a
MHT
3:31p
11h 56m
2 stops
Depart: Tue Oct 10 2017 Return: Tue Oct 24 2017 Trip spans 15 days
United
United
MHT
2:00a
SEA
10:50a
8h 50m
1 stop
SEA
2:10a
MHT
9:20a
7h 10m
1 stop
Depart: Sat Nov 4 2017 Return: Thu Nov 9 2017 Trip spans 6 days
Delta
Delta
MHT
12:45p
SEA
9:05p
8h 20m
1 stop
SEA
7:00a
MHT
3:47p
8h 47m
1 stop
Depart: Fri Oct 20 2017 Return: Fri Oct 27 2017 Trip spans 8 days
United
United
MHT
2:00a
SEA
10:50a
8h 50m
1 stop
SEA
7:15p
MHT
3:52a
8h 37m
1 stop
Depart: Fri Sep 1 2017 Return: Mon Sep 4 2017 Trip spans 4 days
American Airlines
American Airlines
MHT
2:02p
SEA
10:42p
8h 40m
1 stop
SEA
4:05a
MHT
1:14p
9h 09m
1 stop
Depart: Tue Nov 7 2017 Return: Sun Nov 12 2017 Trip spans 6 days
United
United
MHT
1:00a
SEA
9:50a
8h 50m
1 stop
SEA
6:15p
MHT
2:25a
8h 10m
1 stop
Depart: Wed Nov 8 2017 Return: Mon Nov 13 2017 Trip spans 6 days
United
United
MHT
11:35a
SEA
8:05p
8h 30m
1 stop
SEA
6:15p
MHT
2:25a
8h 10m
1 stop
Depart: Sat Feb 17 2018 Return: Sun Feb 25 2018 Trip spans 9 days
American Airlines
American Airlines
MHT
10:17a
SEA
6:49p
8h 32m
1 stop
SEA
6:45p
MHT
4:26a
9h 41m
1 stop
Depart: Sat Feb 10 2018 Return: Sat Feb 17 2018 Trip spans 8 days
United
United
MHT
1:10a
SEA
10:22a
9h 12m
1 stop
SEA
5:27a
MHT
1:46p
8h 19m
1 stop
Depart: Tue Feb 20 2018 Return: Sat Feb 24 2018 Trip spans 5 days
American Airlines
American Airlines
MHT
10:17a
SEA
6:49p
8h 32m
1 stop
SEA
1:10a
MHT
9:08a
7h 58m
1 stop
Depart: Wed Sep 13 2017 Return: Mon Sep 18 2017 Trip spans 6 days
United
United
MHT
2:30a
SEA
10:39a
8h 09m
1 stop
SEA
2:50p
MHT
3:52a
13h 02m
2 stops
Depart: Sun Feb 18 2018 Return: Thu Feb 22 2018 Trip spans 5 days
American Airlines
American Airlines
MHT
7:58a
SEA
4:29p
8h 31m
1 stop
SEA
6:56a
MHT
2:13p
7h 17m
1 stop
Depart: Wed Sep 6 2017 Return: Wed Sep 20 2017 Trip spans 15 days
United
United
MHT
1:42a
SEA
10:52a
9h 10m
1 stop
SEA
5:15a
MHT
3:07p
9h 52m
1 stop
Depart: Fri Oct 6 2017 Return: Mon Oct 9 2017 Trip spans 4 days
United
United
MHT
7:40a
SEA
6:38p
10h 58m
1 stop
SEA
7:43p
MHT
3:10a
7h 27m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
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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Airports
Origin

Manchester
$330
Destination

Seattle
$330