Find Deals on Flights from Seattle to Buffalo

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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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Seattle to Buffalo

(Round-trip)
Depart: Tue Apr 18 2017 Return: Sat May 6 2017 Trip spans 19 days
American Airlines
American Airlines
SEA
7:59p
BUF
4:14a
8h 15m
1 stop
BUF
1:45p
SEA
10:58p
9h 13m
1 stop
Depart: Wed May 3 2017 Return: Sat May 6 2017 Trip spans 4 days
United
United
SEA
7:20p
BUF
3:04a
7h 44m
1 stop
BUF
1:30p
SEA
9:15p
7h 45m
1 stop
Depart: Tue Sep 5 2017 Return: Sun Sep 10 2017 Trip spans 6 days
Delta
Delta
SEA
8:10p
BUF
2:40a
6h 30m
1 stop
BUF
1:49a
SEA
10:20a
8h 31m
1 stop
Depart: Tue May 9 2017 Return: Wed May 17 2017 Trip spans 9 days
Major Airline
Major Airline
SEA
11:40p
BUF
1:12p
13h 32m
2 stops
BUF
1:45a
SEA
6:07p
16h 22m
2 stops
Depart: Mon Apr 17 2017 Return: Tue May 9 2017 Trip spans 23 days
JetBlue
JetBlue
SEA
7:38p
BUF
1:02a
29h 24m
1 stop
BUF
1:54a
SEA
11:25a
9h 31m
1 stop
Depart: Wed Apr 19 2017 Return: Sat May 6 2017 Trip spans 18 days
American Airlines
American Airlines
SEA
7:59p
BUF
4:14a
8h 15m
1 stop
BUF
1:45p
SEA
10:58p
9h 13m
1 stop
Depart: Thu May 4 2017 Return: Fri May 5 2017 Trip spans 2 days
United
United
SEA
7:20p
BUF
3:04a
7h 44m
1 stop
BUF
9:50a
SEA
6:19p
8h 29m
1 stop
Depart: Sun Apr 16 2017 Return: Tue May 9 2017 Trip spans 24 days
Major Airline
Major Airline
SEA
4:38p
BUF
12:14a
7h 36m
1 stop
BUF
12:58a
SEA
4:52a
27h 54m
1 stop
Depart: Thu Apr 27 2017 Return: Mon May 1 2017 Trip spans 5 days
Delta
Delta
SEA
9:15a
BUF
4:27p
7h 12m
1 stop
BUF
12:35p
SEA
10:29p
9h 54m
1 stop
Depart: Mon Aug 21 2017 Return: Tue Aug 29 2017 Trip spans 9 days
United
United
SEA
8:53p
BUF
3:01a
6h 08m
1 stop
BUF
5:10p
SEA
12:13a
7h 03m
1 stop
Depart: Tue Aug 1 2017 Return: Tue Aug 15 2017 Trip spans 15 days
JetBlue
JetBlue
SEA
7:59p
BUF
4:24a
8h 25m
1 stop
BUF
10:39a
SEA
10:08p
11h 29m
1 stop
Depart: Mon Apr 10 2017 Return: Tue May 9 2017 Trip spans 30 days
American Airlines
American Airlines
SEA
7:59p
BUF
4:14a
8h 15m
1 stop
BUF
1:45p
SEA
10:58p
9h 13m
1 stop
Depart: Wed Apr 12 2017 Return: Tue Apr 18 2017 Trip spans 7 days
Major Airline
Major Airline
SEA
3:38p
BUF
12:46a
9h 08m
2 stops
BUF
11:39a
SEA
5:46p
30h 07m
2 stops
Depart: Fri May 5 2017 Return: Sun May 7 2017 Trip spans 3 days
Delta
Delta
SEA
7:45p
BUF
3:42a
7h 57m
1 stop
BUF
1:55a
SEA
1:10p
11h 15m
1 stop
Depart: Tue Aug 22 2017 Return: Tue Aug 29 2017 Trip spans 8 days
United
United
SEA
8:53p
BUF
3:01a
6h 08m
1 stop
BUF
8:26a
SEA
6:59p
10h 33m
1 stop
Depart: Wed Aug 2 2017 Return: Tue Aug 15 2017 Trip spans 14 days
JetBlue
JetBlue
SEA
7:59p
BUF
7:00a
11h 01m
1 stop
BUF
10:39a
SEA
10:08p
11h 29m
1 stop
Depart: Thu Aug 17 2017 Return: Tue Aug 22 2017 Trip spans 6 days
Major Airline
Major Airline
SEA
3:09a
BUF
11:21a
8h 12m
2 stops
BUF
4:00a
SEA
6:08p
14h 08m
2 stops
Depart: Wed Aug 23 2017 Return: Tue Aug 29 2017 Trip spans 7 days
United
United
SEA
8:53p
BUF
3:01a
6h 08m
1 stop
BUF
5:10p
SEA
12:13a
7h 03m
1 stop
Depart: Thu Apr 20 2017 Return: Tue May 9 2017 Trip spans 20 days
JetBlue
JetBlue
SEA
7:38p
BUF
4:46a
9h 08m
1 stop
BUF
1:54a
SEA
11:25a
9h 31m
1 stop
Depart: Fri Jun 2 2017 Return: Mon Jun 12 2017 Trip spans 11 days
Major Airline
Major Airline
SEA
2:54a
BUF
9:30p
18h 36m
1 stop
BUF
9:32a
SEA
7:25a
21h 53m
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.

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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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

^ 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
$390
Destination

Buffalo
$390