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 13 days ago
Rare Availability
6% of dates checked are available within 10% of the lowest price

Monday, July 20th, 2026

7 round-trip options

Returning
Sun, Jul 26, 2026•6 Day Trip
$377 USD
Google Flights
Returning
Mon, Jul 27, 2026•7 Day Trip
$401 USD
Google Flights
Returning
Tue, Jul 28, 2026•8 Day Trip
$455 USD
Google Flights
Returning
Thu, Jul 30, 2026•10 Day Trip
$342 USD
Google Flights
Returning
Fri, Jul 31, 2026•11 Day Trip
$342 USD
Google Flights
Returning
Sat, Aug 1, 2026•12 Day Trip
$434 USD
Google Flights
Returning
Sun, Aug 2, 2026•13 Day Trip
$418 USD
Google Flights