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 Knoxville McGhee Tyson to Seattle

(Round-trip)
Depart: Sat Sep 2 2017 Return: Thu Sep 7 2017 Trip spans 6 days
Frontier
Frontier
TYS
11:40a
SEA
8:57a
21h 17m
1 stop
SEA
3:10p
TYS
7:57a
16h 47m
1 stop
Depart: Tue Sep 12 2017 Return: Tue Sep 19 2017 Trip spans 8 days
American Airlines
American Airlines
TYS
8:52a
SEA
4:42p
7h 50m
1 stop
SEA
6:20p
TYS
3:52a
9h 32m
1 stop
Depart: Sat Nov 11 2017 Return: Fri Nov 24 2017 Trip spans 14 days
United
United
TYS
2:00a
SEA
10:29a
8h 29m
1 stop
SEA
7:17p
TYS
3:30a
8h 13m
1 stop
Depart: Thu Nov 2 2017 Return: Mon Nov 6 2017 Trip spans 5 days
Delta
Delta
TYS
1:50a
SEA
12:16p
10h 26m
1 stop
SEA
8:15a
TYS
2:54p
6h 39m
1 stop
Depart: Wed Sep 6 2017 Return: Tue Sep 12 2017 Trip spans 7 days
Frontier
Frontier
TYS
11:40a
SEA
9:02a
21h 22m
1 stop
SEA
3:10p
TYS
7:57a
16h 47m
1 stop
Depart: Sat Sep 9 2017 Return: Tue Sep 19 2017 Trip spans 11 days
Frontier
Frontier
TYS
11:40a
SEA
8:37p
8h 57m
1 stop
SEA
3:10p
TYS
7:57a
16h 47m
1 stop
Depart: Tue Oct 3 2017 Return: Tue Oct 10 2017 Trip spans 8 days
American Airlines
American Airlines
TYS
8:52a
SEA
4:42p
7h 50m
1 stop
SEA
9:05a
TYS
4:31p
7h 26m
1 stop
Depart: Sun Oct 1 2017 Return: Sat Oct 7 2017 Trip spans 7 days
United
United
TYS
2:58p
SEA
12:49a
9h 51m
1 stop
SEA
3:45a
TYS
11:53a
8h 08m
1 stop
Depart: Wed Oct 4 2017 Return: Tue Oct 10 2017 Trip spans 7 days
American Airlines
American Airlines
TYS
8:52a
SEA
4:42p
7h 50m
1 stop
SEA
2:00a
TYS
10:15a
8h 15m
1 stop
Depart: Sun Oct 15 2017 Return: Wed Oct 25 2017 Trip spans 11 days
United
United
TYS
3:00a
SEA
10:39a
7h 39m
1 stop
SEA
7:48p
TYS
4:15a
8h 27m
1 stop
Depart: Sat Nov 18 2017 Return: Tue Nov 28 2017 Trip spans 11 days
Delta
Delta
TYS
2:45a
SEA
11:04a
8h 19m
1 stop
SEA
8:15a
TYS
2:39p
6h 24m
1 stop
Depart: Mon Sep 18 2017 Return: Thu Sep 21 2017 Trip spans 4 days
Frontier
Frontier
TYS
11:40a
SEA
9:02a
21h 22m
1 stop
SEA
3:10p
TYS
7:57a
16h 47m
1 stop
Depart: Sat Sep 23 2017 Return: Fri Sep 29 2017 Trip spans 7 days
American Airlines
American Airlines
TYS
7:22a
SEA
4:42p
9h 20m
1 stop
SEA
8:15p
TYS
4:06a
7h 51m
1 stop
Depart: Sat Oct 7 2017 Return: Tue Oct 10 2017 Trip spans 4 days
American Airlines
American Airlines
TYS
7:53a
SEA
3:17p
7h 24m
1 stop
SEA
2:00a
TYS
10:15a
8h 15m
1 stop
Depart: Thu Dec 21 2017 Return: Fri Dec 29 2017 Trip spans 9 days
United
United
TYS
12:00p
SEA
10:25p
10h 25m
1 stop
SEA
5:30p
TYS
3:08a
9h 38m
1 stop
Depart: Fri Sep 15 2017 Return: Tue Sep 19 2017 Trip spans 5 days
American Airlines
American Airlines
TYS
8:52a
SEA
4:42p
7h 50m
1 stop
SEA
6:20p
TYS
3:52a
9h 32m
1 stop
Depart: Fri Sep 1 2017 Return: Tue Sep 5 2017 Trip spans 5 days
Frontier
Frontier
TYS
11:40a
SEA
8:57a
21h 17m
1 stop
SEA
2:59p
TYS
7:58a
16h 59m
1 stop
Depart: Mon Oct 2 2017 Return: Tue Oct 10 2017 Trip spans 9 days
American Airlines
American Airlines
TYS
10:25a
SEA
7:38p
9h 13m
1 stop
SEA
2:00a
TYS
10:15a
8h 15m
1 stop
Depart: Thu Oct 5 2017 Return: Tue Oct 10 2017 Trip spans 6 days
American Airlines
American Airlines
TYS
8:52a
SEA
4:42p
7h 50m
1 stop
SEA
2:00a
TYS
10:15a
8h 15m
1 stop
Depart: Fri Oct 6 2017 Return: Tue Oct 10 2017 Trip spans 5 days
American Airlines
American Airlines
TYS
3:05a
SEA
11:02a
7h 57m
1 stop
SEA
2:00a
TYS
10:15a
8h 15m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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

Knoxville
$369
Destination

Seattle
$369