SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
SJOJuan Santamaría International Airport (SJO)
San José, Costa Rica
$603 USD
-25%$450 USD
Verified Dec 1, 2025 at 4:14 AMFair Availability
21% of dates checked are available within 10% of the lowest price
Thursday, January 15th, 2026
Outbound Flights
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12h 26m·1 stop
$609 USD
SEAJan 15 08:04
→ORDJan 15 14:15
AA 851Boeing 737
3h 15m layover
ORDJan 15 17:30
→SJOJan 15 22:30
AA 335Boeing 737MAX 8 Passenger
9h 48m·1 stop
$609 USDSEAJan 15 11:55
→DFWJan 15 17:53
AA 767Airbus A321neo
1h 42m layover
DFWJan 15 19:35
→SJOJan 15 23:43
AA 1453Boeing 737
28h 43m·1 stop
$639 USDSEAJan 15 17:00
→DFWJan 15 22:52
AA 757Airbus A321
20h 43m layover·Overnight
DFWJan 16 19:35
→SJOJan 16 23:43
AA 1453Boeing 737
18h 2m·2 stops
$997 USD
SEAJan 15 17:52
→AUSJan 15 23:59
AS 372Boeing 737
5h 11m layover·Overnight
AUSJan 16 05:10
→MIAJan 16 08:58
AA 1593Boeing 737
2h 49m layover
MIAJan 16 11:47
→SJOJan 16 13:54
AA 313Boeing 737
22h 31m·1 stop
$1,063 USDSEAJan 15 23:12
→DFWJan 16 05:01
AA 1209Airbus A321neo
14h 34m layover
DFWJan 16 19:35
→SJOJan 16 23:43
AA 1453Boeing 737
21h 44m·2 stops
$1,302 USDSEAJan 15 14:10
→DFWJan 15 20:08
AA 717Airbus A321
8h 52m layover·Overnight
DFWJan 16 05:00
→MIAJan 16 08:50
AA 1042Airbus A321
2h 57m layover
MIAJan 16 11:47
→SJOJan 16 13:54
AA 313Boeing 737
21h 44m·2 stops
$1,302 USDSEAJan 15 14:10
→DFWJan 15 20:08
AA 717Airbus A321
9h 52m layover·Overnight
DFWJan 16 06:00
→MIAJan 16 09:47
AA 2265Airbus A321
2h layover
MIAJan 16 11:47
→SJOJan 16 13:54
AA 313Boeing 737
19h 59m·2 stops
$1,531 USDSEAJan 15 21:45
→CLTJan 16 05:30
AA 1559Airbus A321
3h 11m layover
CLTJan 16 08:41
→MIAJan 16 10:58
AA 1194Airbus A321neo
6h 43m layover
MIAJan 16 17:41
→SJOJan 16 19:44
AA 2643Boeing 737