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 AMMarch 2026
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Limited Availability
12% of dates checked are available within 10% of the lowest price
Friday, March 20th, 2026
Outbound Flights
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18h 34m·2 stops
$505 USD
SEAMar 20 23:59
→DFWMar 21 05:53
AA 3075Airbus A321
4h 39m layover
DFWMar 21 10:32
→MIAMar 21 14:29
AA 2902Airbus A321
4h 5m layover
MIAMar 21 18:34
→SJOMar 21 19:33
AA 2387Boeing 737
12h 18m·2 stops
$556 USDSEAMar 20 22:08
→CLTMar 21 06:05
AA 3141Airbus A321
1h 9m layover
CLTMar 21 07:14
→MIAMar 21 09:32
AA 2191Boeing 737
48m layover
MIAMar 21 10:20
→SJOMar 21 11:26
AA 3333Boeing 737
12h 38m·1 stop
$556 USDSEAMar 20 22:08
→CLTMar 21 06:05
AA 3141Airbus A321
3h 15m layover
CLTMar 21 09:20
→SJOMar 21 11:46
AA 323Boeing 737MAX 8 Passenger
13h 3m·2 stops
$556 USDSEAMar 20 05:30
→DFWMar 20 11:27
AA 2748Airbus A321
1h 9m layover
DFWMar 20 12:36
→MIAMar 20 16:34
AA 2404Airbus A321neo
2h layover
MIAMar 20 18:34
→SJOMar 20 19:33
AA 2387Boeing 737
14h 3m·2 stops
$556 USDSEAMar 20 18:22
→PHXMar 20 21:19
AA 4291Embraer 175
36m layover
PHXMar 20 21:55
→MIAMar 21 05:03
AA 1362Airbus A321neo
3h 23m layover
MIAMar 21 08:26
→SJOMar 21 09:25
AA 369Boeing 737
14h 3m·2 stops
$556 USDSEAMar 20 18:22
→PHXMar 20 21:19
AA 4291Embraer 175
1h 43m layover
PHXMar 20 23:02
→MIAMar 21 06:10
AA 2484Airbus A321neo
2h 16m layover
MIAMar 21 08:26
→SJOMar 21 09:25
AA 369Boeing 737
15h 13m·1 stop
$664 USDSEAMar 20 05:30
→DFWMar 20 11:27
AA 2748Airbus A321
7h 11m layover
DFWMar 20 18:38
→SJOMar 20 21:43
AA 1453Boeing 737
12h 33m·2 stops
$664 USDSEAMar 20 06:00
→CLTMar 20 14:07
AA 3068Airbus A321
35m layover
CLTMar 20 14:42
→MIAMar 20 16:57
AA 2151Boeing 737
1h 37m layover
MIAMar 20 18:34
→SJOMar 20 19:33
AA 2387Boeing 737
10h 51m·1 stop
$786 USDSEAMar 20 07:21
→ORDMar 20 13:37
AA 885Boeing 737
1h 33m layover
ORDMar 20 15:10
→SJOMar 20 19:12
AA 375Boeing 737MAX 8 Passenger
10h 9m·1 stop
$786 USDSEAMar 20 22:16
→MIAMar 21 07:00
AA 2142Airbus A321neo
1h 26m layover
MIAMar 21 08:26
→SJOMar 21 09:25
AA 369Boeing 737
8h 58m·1 stop
$904 USDSEAMar 20 11:45
→DFWMar 20 17:50
AA 767Airbus A321neo
48m layover
DFWMar 20 18:38
→SJOMar 20 21:43
AA 1453Boeing 737
11h 56m·1 stop
$904 USDSEAMar 20 00:59
→DFWMar 20 06:53
AA 1209Airbus A321neo
3h 49m layover
DFWMar 20 10:42
→SJOMar 20 13:55
AA 1053Boeing 737