Find Deals on Flights from San Jose Juan Santamaria Intl 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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

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

Book cheap flights from San Jose Juan Santamaria Intl to Seattle

(Round-trip)
Depart: Tue Mar 14 2017 Return: Wed Mar 15 2017 Trip spans 2 days
American Airlines
American Airlines
SJO
2:53a
SEA
2:20p
11h 27m
1 stop
SEA
4:05a
SJO
12:00a
19h 55m
2 stops
Depart: Mon May 1 2017 Return: Sat May 6 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
SJO
12:10p
SEA
11:15p
11h 05m
1 stop
SEA
1:00a
SJO
10:10a
9h 10m
1 stop
Depart: Wed Apr 12 2017 Return: Sun Apr 23 2017 Trip spans 12 days
United
United
SJO
2:30a
SEA
6:27p
15h 57m
2 stops
SEA
6:41a
SJO
6:35a
23h 54m
2 stops
Depart: Tue Apr 4 2017 Return: Mon Apr 10 2017 Trip spans 7 days
Avianca
Avianca
SJO
1:40a
SEA
5:49p
16h 09m
2 stops
SEA
6:40p
SJO
11:05a
16h 25m
2 stops
Depart: Tue May 30 2017 Return: Thu Jun 1 2017 Trip spans 3 days
Major Airline
Major Airline
SJO
9:47p
SEA
10:29a
12h 42m
2 stops
SEA
10:40a
SJO
12:45a
14h 05m
2 stops
Depart: Wed May 3 2017 Return: Sun May 7 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SJO
12:10p
SEA
11:15p
11h 05m
1 stop
SEA
5:55p
SJO
10:10a
16h 15m
1 stop
Depart: Wed Mar 29 2017 Return: Tue Apr 4 2017 Trip spans 7 days
United
United
SJO
10:10a
SEA
8:26a
22h 16m
2 stops
SEA
9:05a
SJO
6:35a
21h 30m
3 stops
Depart: Wed May 31 2017 Return: Thu Jun 1 2017 Trip spans 2 days
American Airlines
American Airlines
SJO
6:40a
SEA
8:17a
25h 37m
2 stops
SEA
11:20a
SJO
12:52p
25h 32m
1 stop
Depart: Wed Apr 5 2017 Return: Mon Apr 10 2017 Trip spans 6 days
Avianca
Avianca
SJO
1:40a
SEA
2:45p
13h 05m
2 stops
SEA
6:40p
SJO
11:05a
16h 25m
2 stops
Depart: Tue Mar 28 2017 Return: Tue Apr 4 2017 Trip spans 8 days
United
United
SJO
9:05p
SEA
3:15p
18h 10m
3 stops
SEA
9:05a
SJO
6:35a
21h 30m
3 stops
Depart: Tue Apr 11 2017 Return: Tue Apr 18 2017 Trip spans 8 days
Avianca
Avianca
SJO
1:40a
SEA
2:45p
13h 05m
2 stops
SEA
6:40p
SJO
11:05a
16h 25m
2 stops
Depart: Fri May 26 2017 Return: Thu Jun 29 2017 Trip spans 35 days
Major Airline
Major Airline
SJO
8:32p
SEA
12:30p
15h 58m
1 stop
SEA
9:00p
SJO
6:10a
9h 10m
1 stop
Depart: Mon Jul 24 2017 Return: Mon Aug 7 2017 Trip spans 15 days
Alaska Airlines
Alaska Airlines
SJO
12:10p
SEA
11:12p
11h 02m
1 stop
SEA
1:00a
SJO
10:10a
9h 10m
1 stop
Depart: Mon Apr 3 2017 Return: Mon Apr 10 2017 Trip spans 8 days
Avianca
Avianca
SJO
1:25p
SEA
2:45p
25h 20m
2 stops
SEA
6:40p
SJO
11:05a
16h 25m
2 stops
Depart: Fri Jul 28 2017 Return: Mon Aug 7 2017 Trip spans 11 days
Alaska Airlines
Alaska Airlines
SJO
12:10p
SEA
11:12p
11h 02m
1 stop
SEA
1:00a
SJO
10:10a
9h 10m
1 stop
Depart: Thu Apr 6 2017 Return: Mon Apr 10 2017 Trip spans 5 days
American Airlines
American Airlines
SJO
10:35a
SEA
5:57p
31h 22m
1 stop
SEA
8:15p
SJO
12:50p
16h 35m
1 stop
Depart: Mon Apr 10 2017 Return: Tue Apr 18 2017 Trip spans 9 days
Avianca
Avianca
SJO
1:00p
SEA
2:45p
25h 45m
2 stops
SEA
6:40p
SJO
11:05a
16h 25m
2 stops
Depart: Wed Mar 1 2017 Return: Tue Mar 7 2017 Trip spans 7 days
United
United
SJO
2:30a
SEA
6:15p
15h 45m
1 stop
SEA
6:50p
SJO
5:40a
10h 50m
1 stop
Depart: Fri Apr 7 2017 Return: Tue Apr 18 2017 Trip spans 12 days
American Airlines
American Airlines
SJO
2:50a
SEA
8:17a
29h 27m
1 stop
SEA
8:15p
SJO
12:50p
16h 35m
1 stop
Depart: Sat May 27 2017 Return: Fri Jun 30 2017 Trip spans 35 days
Alaska Airlines
Alaska Airlines
SJO
12:10p
SEA
11:13p
11h 03m
1 stop
SEA
1:00a
SJO
10:10a
9h 10m
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,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

San Jose
$474
Destination

Seattle
$474