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 AMApril 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Fair Availability
21% of dates checked are available within 10% of the lowest price
Wednesday, April 1st, 2026
Outbound Flights
·
→
·
→
·
→
18h 5m·1 stop
$551 USD
SEAApr 1 00:07
→ORDApr 1 06:23
AA 1106Boeing 737
8h 47m layover
ORDApr 1 15:10
→SJOApr 1 19:12
AA 375Boeing 737MAX 8 Passenger
17h 34m·2 stops
$551 USDSEAApr 1 00:59
→DFWApr 1 06:53
AA 1209Airbus A321neo
1h 37m layover
DFWApr 1 08:30
→MIAApr 1 12:28
AA 2689Airbus A321
6h 6m layover
MIAApr 1 18:34
→SJOApr 1 19:33
AA 2387Boeing 737
15h 13m·1 stop
$551 USDSEAApr 1 05:30
→DFWApr 1 11:27
AA 2748Airbus A321
7h 11m layover
DFWApr 1 18:38
→SJOApr 1 21:43
AA 1453Boeing 737
8h 58m·1 stop
$597 USDSEAApr 1 11:45
→DFWApr 1 17:50
AA 767Airbus A321neo
48m layover
DFWApr 1 18:38
→SJOApr 1 21:43
AA 1453Boeing 737
11h 56m·1 stop
$653 USDSEAApr 1 00:59
→DFWApr 1 06:53
AA 1209Airbus A321neo
3h 49m layover
DFWApr 1 10:42
→SJOApr 1 13:55
AA 1053Boeing 737
10h 51m·1 stop
$653 USDSEAApr 1 07:21
→ORDApr 1 13:37
AA 885Boeing 737
1h 33m layover
ORDApr 1 15:10
→SJOApr 1 19:12
AA 375Boeing 737MAX 8 Passenger
20h 44m·1 stop
$685 USDSEAApr 1 23:59
→DFWApr 2 05:53
AA 3075Airbus A321
12h 45m layover
DFWApr 2 18:38
→SJOApr 2 21:43
AA 1453Boeing 737
10h 9m·1 stop
$751 USDSEAApr 1 22:16
→MIAApr 2 07:00
AA 2142Airbus A321neo
1h 26m layover
MIAApr 2 08:26
→SJOApr 2 09:25
AA 369Boeing 737