Find Deals on Flights from Seattle/Tacoma Intl to San Jose Juan Santamaria Intl (SEA - SJO)

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/Tacoma Intl to San Jose Juan Santamaria Intl

(Round-trip)
Depart: Tue May 10 2016 Return: Tue May 17 2016 Trip spans 8 days
Major Airline
Major Airline
SEA
11:30p
SJO
8:47a
9h 17m
1 stop
SJO
11:40p
SEA
10:12a
10h 32m
1 stop
Depart: Tue May 31 2016 Return: Wed Jun 8 2016 Trip spans 9 days
Alaska Airlines
Alaska Airlines
SEA
4:55p
SJO
10:10a
17h 15m
1 stop
SJO
12:10p
SEA
10:51a
22h 41m
1 stop
Depart: Mon May 23 2016 Return: Sat Jun 4 2016 Trip spans 13 days
United
United
SEA
8:10p
SJO
3:35p
19h 25m
1 stop
SJO
9:05p
SEA
1:27p
16h 22m
2 stops
Depart: Sun May 29 2016 Return: Tue May 31 2016 Trip spans 3 days
Delta
Delta
SEA
4:10p
SJO
2:36a
10h 26m
1 stop
SJO
4:52a
SEA
8:42p
15h 50m
1 stop
Depart: Mon Jun 13 2016 Return: Tue Jun 21 2016 Trip spans 9 days
American Airlines
American Airlines
SEA
8:20p
SJO
1:03p
16h 43m
1 stop
SJO
9:11a
SEA
8:43p
11h 32m
1 stop
Depart: Wed Jun 1 2016 Return: Wed Jun 8 2016 Trip spans 8 days
Alaska Airlines
Alaska Airlines
SEA
1:05a
SJO
10:10a
9h 05m
1 stop
SJO
12:10p
SEA
4:38p
28h 28m
1 stop
Depart: Wed May 25 2016 Return: Sat Jun 4 2016 Trip spans 11 days
United
United
SEA
6:27p
SJO
7:05p
24h 38m
1 stop
SJO
9:05p
SEA
1:27p
16h 22m
2 stops
Depart: Tue May 24 2016 Return: Sun Jun 5 2016 Trip spans 13 days
Major Airline
Major Airline
SEA
2:25a
SJO
11:35a
9h 10m
1 stop
SJO
7:10a
SEA
5:40p
10h 30m
1 stop
Depart: Thu May 12 2016 Return: Fri May 13 2016 Trip spans 2 days
United
United
SEA
7:04a
SJO
7:05p
12h 01m
2 stops
SJO
2:30a
SEA
10:15p
19h 45m
2 stops
Depart: Fri May 27 2016 Return: Sat Jun 4 2016 Trip spans 9 days
Major Airline
Major Airline
SEA
9:34p
SJO
8:47a
11h 13m
1 stop
SJO
11:45p
SEA
10:03a
10h 18m
1 stop
Depart: Fri Sep 9 2016 Return: Sat Sep 10 2016 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
1:00a
SJO
10:00a
9h 00m
1 stop
SJO
12:05p
SEA
10:55p
10h 50m
1 stop
Depart: Mon May 2 2016 Return: Thu May 5 2016 Trip spans 4 days
United
United
SEA
6:40p
SJO
6:55a
12h 15m
1 stop
SJO
9:05p
SEA
9:48a
12h 43m
1 stop
Depart: Sat Sep 17 2016 Return: Wed Sep 21 2016 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
1:00a
SJO
10:00a
9h 00m
1 stop
SJO
12:05p
SEA
10:55p
10h 50m
1 stop
Depart: Tue Sep 6 2016 Return: Wed Sep 7 2016 Trip spans 2 days
Major Airline
Major Airline
SEA
10:20a
SJO
12:24a
14h 04m
2 stops
SJO
8:33p
SEA
2:29p
17h 56m
2 stops
Depart: Sat May 28 2016 Return: Sun Jun 5 2016 Trip spans 9 days
United
United
SEA
6:27p
SJO
9:10a
14h 43m
1 stop
SJO
2:30a
SEA
9:40p
19h 10m
1 stop
Depart: Sun Sep 18 2016 Return: Wed Sep 21 2016 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
4:10p
SJO
10:00a
17h 50m
1 stop
SJO
12:05p
SEA
7:55a
19h 50m
1 stop
Depart: Sat Jun 18 2016 Return: Tue Jun 28 2016 Trip spans 11 days
American Airlines
American Airlines
SEA
1:35a
SJO
1:03p
11h 28m
1 stop
SJO
3:45a
SEA
9:39p
17h 54m
1 stop
Depart: Wed Sep 7 2016 Return: Thu Sep 8 2016 Trip spans 2 days
Major Airline
Major Airline
SEA
3:45p
SJO
2:55a
11h 10m
1 stop
SJO
5:05p
SEA
6:00a
12h 55m
1 stop
Depart: Mon Jun 6 2016 Return: Thu Jun 16 2016 Trip spans 11 days
Delta
Delta
SEA
8:57a
SJO
2:36a
17h 39m
1 stop
SJO
4:53a
SEA
3:43p
10h 50m
1 stop
Depart: Mon May 30 2016 Return: Fri Jun 10 2016 Trip spans 12 days
United
United
SEA
6:27p
SJO
6:55a
12h 28m
1 stop
SJO
2:30a
SEA
8:01p
17h 31m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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

Here's why:

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

We aggregate tons 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 don'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.

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
$345
Destination

San Jose
$345