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 Indianapolis to Seattle

(Round-trip)
Depart: Thu Sep 7 2017 Return: Tue Sep 12 2017 Trip spans 6 days
Frontier
Frontier
IND
12:00a
SEA
2:57p
14h 57m
1 stop
SEA
12:00a
IND
6:28a
6h 28m
1 stop
Depart: Fri Sep 22 2017 Return: Mon Sep 25 2017 Trip spans 4 days
Multiple Airlines
Multiple Airlines
IND
12:00a
SEA
8:08a
8h 08m
1 stop
SEA
12:00a
IND
6:58a
6h 58m
1 stop
Depart: Tue Sep 19 2017 Return: Thu Sep 21 2017 Trip spans 3 days
American Airlines
American Airlines
IND
12:00a
SEA
7:46a
7h 46m
1 stop
SEA
12:00a
IND
10:00a
10h 00m
1 stop
Depart: Fri Sep 22 2017 Return: Tue Sep 26 2017 Trip spans 5 days
Delta
Delta
IND
12:00a
SEA
8:42a
8h 42m
1 stop
SEA
12:00a
IND
6:04a
6h 04m
1 stop
Depart: Sun Sep 24 2017 Return: Thu Sep 28 2017 Trip spans 5 days
United
United
IND
12:00a
SEA
7:57a
7h 57m
1 stop
SEA
12:00a
IND
7:19a
7h 19m
1 stop
Depart: Fri Sep 8 2017 Return: Tue Sep 12 2017 Trip spans 5 days
Frontier
Frontier
IND
12:00a
SEA
6:27p
18h 27m
1 stop
SEA
12:00a
IND
6:28a
6h 28m
1 stop
Depart: Tue Sep 26 2017 Return: Sat Oct 28 2017 Trip spans 33 days
Multiple Airlines
Multiple Airlines
IND
12:00a
SEA
6:52a
6h 52m
1 stop
SEA
12:00a
IND
7:15a
7h 15m
1 stop
Depart: Thu Sep 28 2017 Return: Wed Oct 25 2017 Trip spans 28 days
American Airlines
American Airlines
IND
12:00a
SEA
8:02a
8h 02m
1 stop
SEA
12:00a
IND
9:13a
9h 13m
1 stop
Depart: Tue Sep 26 2017 Return: Mon Oct 2 2017 Trip spans 7 days
Frontier
Frontier
IND
12:00a
SEA
6:52a
6h 52m
1 stop
SEA
12:00a
IND
6:58a
6h 58m
1 stop
Depart: Wed Sep 27 2017 Return: Sat Oct 28 2017 Trip spans 32 days
Multiple Airlines
Multiple Airlines
IND
12:00a
SEA
6:52a
6h 52m
1 stop
SEA
12:00a
IND
7:15a
7h 15m
1 stop
Depart: Wed Sep 27 2017 Return: Thu Oct 26 2017 Trip spans 30 days
United
United
IND
12:00a
SEA
6:55a
6h 55m
1 stop
SEA
12:00a
IND
7:22a
7h 22m
1 stop
Depart: Fri Oct 6 2017 Return: Sat Oct 7 2017 Trip spans 2 days
American Airlines
American Airlines
IND
12:00a
SEA
8:02a
8h 02m
1 stop
SEA
12:00a
IND
9:12a
9h 12m
1 stop
Depart: Tue Oct 10 2017 Return: Fri Oct 13 2017 Trip spans 4 days
Delta
Delta
IND
12:00a
SEA
6:56a
6h 56m
1 stop
SEA
12:00a
IND
8:50a
8h 50m
1 stop
Depart: Wed Sep 27 2017 Return: Mon Oct 2 2017 Trip spans 6 days
Frontier
Frontier
IND
12:00a
SEA
6:27p
18h 27m
1 stop
SEA
12:00a
IND
6:58a
6h 58m
1 stop
Depart: Fri Sep 29 2017 Return: Sat Oct 28 2017 Trip spans 30 days
United
United
IND
12:00a
SEA
8:06a
8h 06m
1 stop
SEA
12:00a
IND
8:02a
8h 02m
1 stop
Depart: Tue Sep 26 2017 Return: Mon Oct 23 2017 Trip spans 28 days
Multiple Airlines
Multiple Airlines
IND
12:00a
SEA
6:52a
6h 52m
1 stop
SEA
12:00a
IND
6:04a
6h 04m
1 stop
Depart: Sat Oct 28 2017 Return: Sat Nov 4 2017 Trip spans 8 days
American Airlines
American Airlines
IND
12:00a
SEA
6:25a
6h 25m
1 stop
SEA
12:00a
IND
8:45a
8h 45m
1 stop
Depart: Wed Sep 27 2017 Return: Mon Oct 2 2017 Trip spans 6 days
Frontier
Frontier
IND
12:00a
SEA
6:27p
18h 27m
1 stop
SEA
12:00a
IND
6:58a
6h 58m
1 stop
Depart: Sat Sep 30 2017 Return: Thu Oct 26 2017 Trip spans 27 days
United
United
IND
12:00a
SEA
7:22a
7h 22m
1 stop
SEA
12:00a
IND
7:49a
7h 49m
1 stop
Depart: Wed Sep 27 2017 Return: Mon Oct 23 2017 Trip spans 27 days
Multiple Airlines
Multiple Airlines
IND
12:00a
SEA
6:52a
6h 52m
1 stop
SEA
12:00a
IND
6:04a
6h 04m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

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

We compile tonnes of data for you
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.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

Indianapolis
$258
Destination

Seattle
$258