Southwest® flights from Washington, D.C. (Dulles) to Costa Rica
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Popular flight deals and low fares from Washington, D.C. (Dulles)
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Washington, D.C. (Dulles) (IAD)to
Liberia, Costa Rica (LIR)Depart: 12/22/2025
From
$360
Seen: 13 hrs ago
One-way
Choice
*Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.
Shop more flights from Washington, D.C. (Dulles)
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Washington, D.C. (Dulles) (IAD) | San Jose, Costa Rica (SJO) | One-way / Choice | Depart: 07/25/2026 | From $422 Seen: 58 minutes ago |
| Washington, D.C. (Dulles) (IAD) | Liberia, Costa Rica (LIR) | One-way / Basic | Depart: 02/28/2026 | From $249 Seen: 5 hrs ago |
*Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.
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