San José (SJO) to Washington (IAD) cheap flight deal from $258 USD in economy class

CMCopa Airlines

Round Trip•Economy

SJO

Juan Santamaría International Airport (SJO)

San José, Costa Rica

IAD

Washington Dulles International Airport

Washington, United States

$446 USD

-42%$258 USD

Verified about 22 hours ago

October 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$324 30$287 1$259 2$287 3$287 4$287 5$279 6$275 7$259 8$259 9$303 10$287 11$323 12$287 13$259 14$259 15$259 16$324 17$324 18$287 19$287 20$279 21$259 22$259 23$259 24$299 25$307 26$316 27$287 28$258 29$259 30$258 31$385 1$360 2$259

Extremely Rare Availability

4% of dates checked are available within 10% of the lowest price

Wednesday, October 1st, 2025

10 round-trip options

Returning

Mon, Oct 6, 2025•5 Day Trip

$259 USD

Google Flights

Returning

Tue, Oct 7, 2025•6 Day Trip

$259 USD

Google Flights

Returning

Wed, Oct 8, 2025•7 Day Trip

$275 USD

Google Flights

Returning

Thu, Oct 9, 2025•8 Day Trip

$324 USD

Google Flights

Returning

Fri, Oct 10, 2025•9 Day Trip

$303 USD

Google Flights

Returning

Sat, Oct 11, 2025•10 Day Trip

$259 USD

Google Flights

Returning

Sun, Oct 12, 2025•11 Day Trip

$287 USD

Google Flights

Returning

Mon, Oct 13, 2025•12 Day Trip

$259 USD

Google Flights

Returning

Tue, Oct 14, 2025•13 Day Trip

$259 USD

Google Flights

Returning

Wed, Oct 15, 2025•14 Day Trip

$303 USD

Google Flights