Find Deals on Flights from Seattle to San Jose Juan Santamaria Intl

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 Seattle to San Jose Juan Santamaria Intl

(Round-trip)
Depart: Mon Apr 24 2017 Return: Wed May 3 2017 Trip spans 10 days
Alaska Airlines
Alaska Airlines
SEA
1:00a
SJO
10:10a
9h 10m
1 stop
SJO
12:10p
SEA
11:15p
11h 05m
1 stop
Depart: Sat Apr 29 2017 Return: Thu May 4 2017 Trip spans 6 days
Major Airline
Major Airline
SEA
12:05a
SJO
11:15a
11h 10m
1 stop
SJO
10:05a
SEA
4:05p
30h 00m
1 stop
Depart: Wed May 17 2017 Return: Mon May 29 2017 Trip spans 13 days
Avianca
Avianca
SEA
6:35p
SJO
11:05a
16h 30m
2 stops
SJO
1:00p
SEA
5:16a
16h 16m
2 stops
Depart: Tue Apr 11 2017 Return: Tue May 16 2017 Trip spans 36 days
United
United
SEA
4:25a
SJO
3:20p
10h 55m
1 stop
SJO
8:40a
SEA
7:17p
10h 37m
1 stop
Depart: Wed Apr 5 2017 Return: Wed Apr 19 2017 Trip spans 15 days
Spirit Airlines
Spirit Airlines
SEA
2:00a
SJO
6:50a
28h 50m
3 stops
SJO
8:50a
SEA
5:57a
21h 07m
2 stops
Depart: Thu Jul 20 2017 Return: Tue Jul 25 2017 Trip spans 6 days
American Airlines
American Airlines
SEA
1:00p
SJO
12:52p
23h 52m
1 stop
SJO
8:38a
SEA
8:07p
11h 29m
1 stop
Depart: Thu Apr 13 2017 Return: Wed Apr 19 2017 Trip spans 7 days
Delta
Delta
SEA
2:15a
SJO
3:10p
12h 55m
1 stop
SJO
3:00a
SEA
8:18p
17h 18m
2 stops
Depart: Tue Apr 25 2017 Return: Wed May 3 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
SEA
3:40p
SJO
10:10a
18h 30m
1 stop
SJO
12:10p
SEA
7:55a
19h 45m
1 stop
Depart: Fri May 5 2017 Return: Tue May 9 2017 Trip spans 5 days
Major Airline
Major Airline
SEA
1:40p
SJO
7:00a
17h 20m
2 stops
SJO
7:19a
SEA
1:54a
18h 35m
2 stops
Depart: Sat May 27 2017 Return: Sat Jun 3 2017 Trip spans 8 days
Avianca
Avianca
SEA
9:40a
SJO
4:58a
19h 18m
2 stops
SJO
1:40a
SEA
2:35p
12h 55m
2 stops
Depart: Mon Sep 4 2017 Return: Fri Sep 15 2017 Trip spans 12 days
United
United
SEA
6:55p
SJO
6:40a
11h 45m
1 stop
SJO
9:05p
SEA
11:25a
14h 20m
1 stop
Depart: Wed Apr 26 2017 Return: Wed May 3 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
SEA
1:00a
SJO
10:10a
9h 10m
1 stop
SJO
12:10p
SEA
5:51a
17h 41m
1 stop
Depart: Tue May 9 2017 Return: Tue May 16 2017 Trip spans 8 days
Major Airline
Major Airline
SEA
10:40a
SJO
12:58a
14h 18m
2 stops
SJO
9:25a
SEA
6:00a
20h 35m
2 stops
Depart: Sat Sep 2 2017 Return: Wed Sep 13 2017 Trip spans 12 days
Avianca
Avianca
SEA
2:15p
SJO
4:58a
14h 43m
2 stops
SJO
1:47a
SEA
5:25p
15h 38m
2 stops
Depart: Thu Sep 21 2017 Return: Wed Sep 27 2017 Trip spans 7 days
United
United
SEA
2:00a
SJO
3:30p
13h 30m
1 stop
SJO
8:55a
SEA
9:15p
12h 20m
1 stop
Depart: Fri Apr 28 2017 Return: Wed May 3 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
SEA
4:50p
SJO
10:10a
17h 20m
1 stop
SJO
12:10p
SEA
7:05a
18h 55m
1 stop
Depart: Sun May 7 2017 Return: Sun May 14 2017 Trip spans 8 days
Major Airline
Major Airline
SEA
1:20a
SJO
11:17p
21h 57m
2 stops
SJO
9:40a
SEA
1:16a
39h 36m
2 stops
Depart: Wed Sep 6 2017 Return: Sun Sep 10 2017 Trip spans 5 days
Avianca
Avianca
SEA
9:30a
SJO
4:45a
19h 15m
2 stops
SJO
1:40a
SEA
2:38p
12h 58m
2 stops
Depart: Fri Sep 22 2017 Return: Wed Sep 27 2017 Trip spans 6 days
United
United
SEA
6:55p
SJO
6:55a
12h 00m
1 stop
SJO
8:55a
SEA
9:15p
12h 20m
1 stop
Depart: Sat May 13 2017 Return: Fri May 19 2017 Trip spans 7 days
Alaska Airlines
Alaska Airlines
SEA
1:00a
SJO
10:10a
9h 10m
1 stop
SJO
12:10p
SEA
11:13p
11h 03m
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

Seattle
$528
Destination

San Jose
$528