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
Saturday, April 11th, 2026
Outbound Flights
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27h 36m·1 stop
$643 USD
SEAApr 11 17:00
→DFWApr 11 22:59
AA 757Airbus A321
19h 31m layover·Overnight
DFWApr 12 18:30
→SJOApr 12 21:36
AA 2731Boeing 737
20h 41m·1 stop
$670 USDSEAApr 11 23:55
→DFWApr 12 05:50
AA 2003Airbus A321
12h 40m layover
DFWApr 12 18:30
→SJOApr 12 21:36
AA 2731Boeing 737
18h 34m·2 stops
$764 USDSEAApr 11 23:33
→ORDApr 12 05:39
AA 2398Boeing 737MAX 8 Passenger
2h 46m layover
ORDApr 12 08:25
→MIAApr 12 12:40
AA 1250Boeing 737
5h 30m layover
MIAApr 12 18:10
→SJOApr 12 19:07
AA 1353Boeing 737
13h 27m·1 stop
$851 USDSEAApr 11 07:09
→DFWApr 11 13:13
AA 1667Airbus A321
5h 17m layover
DFWApr 11 18:30
→SJOApr 11 21:36
AA 2731Boeing 737
20h 34m·2 stops
$974 USDSEAApr 11 13:33
→CLTApr 11 21:49
AA 2791Airbus A321
9h 20m layover·Overnight
CLTApr 12 07:09
→MIAApr 12 09:15
AA 770Boeing 737
50m layover
MIAApr 12 10:05
→SJOApr 12 11:07
AA 1593Boeing 737
20h 34m·2 stops
$974 USDSEAApr 11 13:33
→CLTApr 11 21:49
AA 2791Airbus A321
8h 21m layover·Overnight
CLTApr 12 06:10
→MIAApr 12 08:16
AA 1208Boeing 737MAX 8 Passenger
1h 49m layover
MIAApr 12 10:05
→SJOApr 12 11:07
AA 1593Boeing 737
12h 35m·2 stops
$2,029 USDSEAApr 11 23:33
→ORDApr 12 05:39
AA 2398Boeing 737MAX 8 Passenger
1h 11m layover
ORDApr 12 06:50
→MIAApr 12 11:07
AA 1411Boeing 737
1h 2m layover
MIAApr 12 12:09
→SJOApr 12 13:08
AA 597Boeing 737
12h 7m·2 stops
$2,580 USDSEAApr 11 06:00
→CLTApr 11 14:09
AA 381Airbus A321
35m layover
CLTApr 11 14:44
→MIAApr 11 16:55
AA 969Boeing 737
1h 15m layover
MIAApr 11 18:10
→SJOApr 11 19:07
AA 1353Boeing 737
12h 7m·2 stops
$2,580 USDSEAApr 11 06:00
→DFWApr 11 12:05
AA 2748Airbus A321
1h 5m layover
DFWApr 11 13:10
→MIAApr 11 17:04
AA 3218Airbus A321neo
1h 6m layover
MIAApr 11 18:10
→SJOApr 11 19:07
AA 1353Boeing 737