SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
SJOJuan Santamaría International Airport (SJO)
San José, Costa Rica
$282 USD
-42%$163 USD
Verified Dec 1, 2025 at 4:14 AMApril 2026
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Limited Availability
12% of dates checked are available within 10% of the lowest price
Tuesday, April 21st, 2026
Outbound Flights
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11h 23m·1 stop
$255 USD
SEAApr 21 00:59
→DFWApr 21 06:56
AA 2695Airbus A321neo
3h 15m layover
DFWApr 21 10:11
→SJOApr 21 13:22
AA 1053Boeing 737
12h 7m·2 stops
$255 USDSEAApr 21 06:00
→DFWApr 21 12:05
AA 2748Airbus A321
1h 5m layover
DFWApr 21 13:10
→MIAApr 21 17:04
AA 3218Airbus A321neo
1h 6m layover
MIAApr 21 18:10
→SJOApr 21 19:07
AA 1353Boeing 737
12h 7m·2 stops
$255 USDSEAApr 21 06:00
→CLTApr 21 14:09
AA 381Airbus A321
35m layover
CLTApr 21 14:44
→MIAApr 21 16:55
AA 969Boeing 737
1h 15m layover
MIAApr 21 18:10
→SJOApr 21 19:07
AA 1353Boeing 737
11h 56m·1 stop
$255 USDSEAApr 21 22:29
→CLTApr 22 06:32
AA 751Airbus A321
2h 38m layover
CLTApr 22 09:10
→SJOApr 22 11:25
AA 1209Boeing 737MAX 8 Passenger
12h 35m·2 stops
$255 USDSEAApr 21 23:33
→ORDApr 22 05:39
AA 2398Boeing 737MAX 8 Passenger
1h 11m layover
ORDApr 22 06:50
→MIAApr 22 11:07
AA 1411Boeing 737
1h 2m layover
MIAApr 22 12:09
→SJOApr 22 13:08
AA 597Boeing 737
22h 26m·2 stops
$255 USDSEAApr 21 11:41
→DFWApr 21 17:50
AA 767Airbus A321neo
1h 5m layover
DFWApr 21 18:55
→MIAApr 21 22:50
AA 2206Airbus A321
11h 15m layover·Overnight
MIAApr 22 10:05
→SJOApr 22 11:07
AA 1593Boeing 737
22h 26m·2 stops
$255 USDSEAApr 21 11:41
→DFWApr 21 17:50
AA 767Airbus A321neo
2h 5m layover
DFWApr 21 19:55
→MIAApr 21 23:48
AA 2694Boeing 737
10h 17m layover·Overnight
MIAApr 22 10:05
→SJOApr 22 11:07
AA 1593Boeing 737
22h 26m·2 stops
$255 USDSEAApr 21 11:41
→DFWApr 21 17:50
AA 767Airbus A321neo
2h 50m layover
DFWApr 21 20:40
→MIAApr 22 00:32
AA 1751Airbus A321neo
9h 33m layover
MIAApr 22 10:05
→SJOApr 22 11:07
AA 1593Boeing 737
18h 50m·2 stops
$260 USDSEAApr 21 15:17
→ORDApr 21 21:40
AA 2768Boeing 737MAX 8 Passenger
7h 20m layover·Overnight
ORDApr 22 05:00
→MIAApr 22 09:12
AA 2984Boeing 737MAX 8 Passenger
53m layover
MIAApr 22 10:05
→SJOApr 22 11:07
AA 1593Boeing 737
11h 51m·1 stop
$317 USDSEAApr 21 22:16
→MIAApr 22 07:00
AA 1471Airbus A321neo
3h 5m layover
MIAApr 22 10:05
→SJOApr 22 11:07
AA 1593Boeing 737