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 AMMarch 2026
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Fair Availability
21% of dates checked are available within 10% of the lowest price
Saturday, March 28th, 2026
Outbound Flights
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20h 32m·2 stops
$555 USD
SEAMar 28 13:54
→DFWMar 28 20:00
AA 717Airbus A321
9h layover·Overnight
DFWMar 29 05:00
→MIAMar 29 08:54
AA 1042Boeing 737
1h 26m layover
MIAMar 29 10:20
→SJOMar 29 11:26
AA 3333Boeing 737
26h 25m·2 stops
$592 USDSEAMar 28 06:00
→CLTMar 28 14:07
AA 3068Airbus A321
14h 53m layover·Overnight
CLTMar 29 05:00
→MIAMar 29 07:13
AA 1990Boeing 737
1h 13m layover
MIAMar 29 08:26
→SJOMar 29 09:25
AA 369Boeing 737
20h 41m·2 stops
$641 USDSEAMar 28 11:44
→DFWMar 28 17:49
AA 767Airbus A321neo
2h 11m layover
DFWMar 28 20:00
→MIAMar 28 23:51
AA 1663Boeing 737
8h 35m layover·Overnight
MIAMar 29 08:26
→SJOMar 29 09:25
AA 369Boeing 737
14h 3m·2 stops
$714 USDSEAMar 28 18:22
→PHXMar 28 21:19
AA 4291Embraer 175
1h 43m layover
PHXMar 28 23:02
→MIAMar 29 06:10
AA 2484Airbus A321neo
2h 16m layover
MIAMar 29 08:26
→SJOMar 29 09:25
AA 369Boeing 737
14h 3m·2 stops
$714 USDSEAMar 28 18:22
→PHXMar 28 21:19
AA 4291Embraer 175
36m layover
PHXMar 28 21:55
→MIAMar 29 05:03
AA 1362Airbus A321neo
3h 23m layover
MIAMar 29 08:26
→SJOMar 29 09:25
AA 369Boeing 737
20h 44m·1 stop
$748 USDSEAMar 28 23:59
→DFWMar 29 05:53
AA 3075Airbus A321
12h 45m layover
DFWMar 29 18:38
→SJOMar 29 21:43
AA 1453Boeing 737
9h 12m·1 stop
$851 USDSEAMar 28 11:44
→DFWMar 28 17:49
AA 767Airbus A321neo
1h 2m layover
DFWMar 28 18:51
→SJOMar 28 21:56
AA 1453Boeing 737
13h 8m·1 stop
$969 USDSEAMar 28 22:08
→CLTMar 29 06:05
AA 3141Airbus A321
3h 45m layover
CLTMar 29 09:50
→SJOMar 29 12:16
AA 323Boeing 737MAX 8 Passenger