San José (SJO) to Washington (IAD) flight deal in economy from $342

Copa AirlinesCMCopa Airlines
Round Trip•Economy
Costa RicaSJO

Juan Santamaría International Airport (SJO)

San José, Costa Rica
United StatesIAD

Washington Dulles International Airport

Washington, United States
$495 USD
-31%$342 USD
Verified 14 days ago
Rare Availability
6% of dates checked are available within 10% of the lowest price

Friday, September 11th, 2026

7 round-trip options

Returning
Wed, Sep 16, 2026•5 Day Trip
$417 USD
Google Flights
Returning
Thu, Sep 17, 2026•6 Day Trip
$362 USD
Google Flights
Returning
Fri, Sep 18, 2026•7 Day Trip
$362 USD
Google Flights
Returning
Sun, Sep 20, 2026•9 Day Trip
$393 USD
Google Flights
Returning
Mon, Sep 21, 2026•10 Day Trip
$362 USD
Google Flights
Returning
Tue, Sep 22, 2026•11 Day Trip
$358 USD
Google Flights
Returning
Thu, Sep 24, 2026•13 Day Trip
$434 USD
Google Flights