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
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Fair Availability
21% of dates checked are available within 10% of the lowest price
Sunday, April 19th, 2026
Outbound Flights
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11h 23m·1 stop
$550 USD
SEAApr 19 00:59
→DFWApr 19 06:56
AA 2695Airbus A321neo
3h 15m layover
DFWApr 19 10:11
→SJOApr 19 13:22
AA 1053Boeing 737
14h 36m·1 stop
$550 USDSEAApr 19 06:00
→DFWApr 19 12:05
AA 2748Airbus A321
6h 25m layover
DFWApr 19 18:30
→SJOApr 19 21:36
AA 2731Boeing 737
11h 56m·1 stop
$550 USDSEAApr 19 22:29
→CLTApr 20 06:32
AA 751Airbus A321
2h 38m layover
CLTApr 20 09:10
→SJOApr 20 11:25
AA 1209Boeing 737MAX 8 Passenger
12h 7m·2 stops
$764 USDSEAApr 19 06:00
→DFWApr 19 12:05
AA 2748Airbus A321
1h 5m layover
DFWApr 19 13:10
→MIAApr 19 17:04
AA 3218Airbus A321neo
1h 6m layover
MIAApr 19 18:10
→SJOApr 19 19:07
AA 1353Boeing 737
8h 55m·1 stop
$764 USDSEAApr 19 11:41
→DFWApr 19 17:50
AA 767Airbus A321neo
40m layover
DFWApr 19 18:30
→SJOApr 19 21:36
AA 2731Boeing 737
20h 34m·2 stops
$769 USDSEAApr 19 13:33
→CLTApr 19 21:49
AA 2791Airbus A321
9h 20m layover·Overnight
CLTApr 20 07:09
→MIAApr 20 09:15
AA 770Boeing 737
50m layover
MIAApr 20 10:05
→SJOApr 20 11:07
AA 1593Boeing 737
20h 34m·2 stops
$769 USDSEAApr 19 13:33
→CLTApr 19 21:49
AA 2791Airbus A321
8h 21m layover·Overnight
CLTApr 20 06:10
→MIAApr 20 08:16
AA 1208Boeing 737MAX 8 Passenger
1h 49m layover
MIAApr 20 10:05
→SJOApr 20 11:07
AA 1593Boeing 737
12h 13m·2 stops
$903 USDSEAApr 19 23:55
→DFWApr 20 05:50
AA 2003Airbus A321
1h 10m layover
DFWApr 20 07:00
→MIAApr 20 11:00
AA 3290Boeing 737
1h 9m layover
MIAApr 20 12:09
→SJOApr 20 13:08
AA 597Boeing 737