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
Students
under 26
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Seattle to San Jose Juan Santamaria Intl

(Round-trip)
Depart: Sun Jan 22 2017 Return: Wed Feb 1 2017 Trip spans 11 days
Alaska Airlines
Alaska Airlines
SEA
5:00p
SJO
9:04a
16h 04m
1 stop
SJO
12:05p
SEA
11:30p
11h 25m
1 stop
Depart: Fri Feb 3 2017 Return: Tue Feb 14 2017 Trip spans 12 days
United
United
SEA
8:58a
SJO
4:05a
19h 07m
3 stops
SJO
2:30a
SEA
7:18p
16h 48m
2 stops
Depart: Fri Feb 10 2017 Return: Wed Feb 22 2017 Trip spans 13 days
Major Airline
Major Airline
SEA
10:10p
SJO
9:15a
11h 05m
1 stop
SJO
11:15p
SEA
1:24p
14h 09m
1 stop
Depart: Sun Feb 12 2017 Return: Mon Feb 13 2017 Trip spans 2 days
American Airlines
American Airlines
SEA
5:10p
SJO
5:14a
12h 04m
1 stop
SJO
9:18a
SEA
9:48p
12h 30m
1 stop
Depart: Mon Jan 30 2017 Return: Tue Feb 7 2017 Trip spans 9 days
Delta
Delta
SEA
9:05a
SJO
1:28a
16h 23m
1 stop
SJO
4:00a
SEA
8:44p
16h 44m
1 stop
Depart: Mon May 1 2017 Return: Sun May 7 2017 Trip spans 7 days
Avianca
Avianca
SEA
2:40p
SJO
4:58a
14h 18m
2 stops
SJO
1:00p
SEA
4:56a
15h 56m
2 stops
Depart: Mon Jan 23 2017 Return: Wed Feb 1 2017 Trip spans 10 days
Alaska Airlines
Alaska Airlines
SEA
12:00a
SJO
9:04a
9h 04m
1 stop
SJO
12:05p
SEA
6:00a
17h 55m
1 stop
Depart: Sat Feb 11 2017 Return: Thu Feb 23 2017 Trip spans 13 days
United
United
SEA
6:20p
SJO
5:40a
11h 20m
1 stop
SJO
10:10a
SEA
9:40a
23h 30m
1 stop
Depart: Tue Jan 31 2017 Return: Wed Feb 8 2017 Trip spans 9 days
Major Airline
Major Airline
SEA
7:00p
SJO
4:04a
9h 04m
1 stop
SJO
7:05a
SEA
2:50a
19h 45m
1 stop
Depart: Tue Jan 24 2017 Return: Wed Feb 1 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
SEA
1:55p
SJO
9:04a
19h 09m
1 stop
SJO
12:05p
SEA
7:46a
19h 41m
1 stop
Depart: Sun Jan 29 2017 Return: Thu Mar 2 2017 Trip spans 33 days
American Airlines
American Airlines
SEA
5:35p
SJO
5:35a
12h 00m
1 stop
SJO
8:09a
SEA
9:48p
13h 39m
1 stop
Depart: Sat Mar 11 2017 Return: Tue Mar 14 2017 Trip spans 3 days
Delta
Delta
SEA
1:30p
SJO
1:10a
11h 40m
1 stop
SJO
4:35a
SEA
5:20p
12h 45m
1 stop
Depart: Sun Feb 19 2017 Return: Wed Mar 1 2017 Trip spans 11 days
United
United
SEA
10:36a
SJO
7:05a
20h 29m
2 stops
SJO
10:10a
SEA
8:21a
22h 11m
2 stops
Depart: Wed Jan 25 2017 Return: Wed Feb 1 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
SEA
12:00a
SJO
9:04a
9h 04m
1 stop
SJO
12:05p
SEA
11:30p
11h 25m
1 stop
Depart: Sat Jan 21 2017 Return: Wed Mar 1 2017 Trip spans 40 days
Major Airline
Major Airline
SEA
8:50p
SJO
4:04a
31h 14m
1 stop
SJO
7:05a
SEA
2:50a
19h 45m
1 stop
Depart: Wed Jan 11 2017 Return: Wed Jan 18 2017 Trip spans 8 days
Avianca
Avianca
SEA
5:30p
SJO
2:45p
21h 15m
2 stops
SJO
12:40a
SEA
3:01p
14h 21m
2 stops
Depart: Wed Feb 1 2017 Return: Mon Feb 13 2017 Trip spans 13 days
American Airlines
American Airlines
SEA
5:35p
SJO
7:51a
14h 16m
1 stop
SJO
2:50a
SEA
9:48p
18h 58m
1 stop
Depart: Mon Feb 20 2017 Return: Wed Mar 1 2017 Trip spans 10 days
United
United
SEA
6:50p
SJO
7:05a
12h 15m
1 stop
SJO
10:10a
SEA
6:15p
32h 05m
1 stop
Depart: Thu Feb 9 2017 Return: Mon Feb 13 2017 Trip spans 5 days
Delta
Delta
SEA
12:44a
SJO
12:45a
24h 01m
2 stops
SJO
4:00a
SEA
8:26p
16h 26m
2 stops
Depart: Thu Jan 26 2017 Return: Wed Feb 1 2017 Trip spans 7 days
Alaska Airlines
Alaska Airlines
SEA
5:00p
SJO
9:04a
16h 04m
1 stop
SJO
12:05p
SEA
7:46a
19h 41m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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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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

Seattle
$420
Destination

San Jose
$420