$122 Cheap United flights Washington (IAD) to San José (SJO)

View $122 flight on Sun, Feb 8, 2026Opens in a new window

$122 Cheap United flights Washington (IAD) to San José (SJO)

Prices were available within the past 7 days and start at $122 for one-way flights and $329 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
United
Sun, Feb 8 - Sat, Feb 14
IAD
Washington
SJO
San José
$329
Roundtrip
Found 2 days ago
Select United flight, departing Sun, Feb 8 from Washington to San José, returning Sat, Feb 14, priced at $329 Found 2 days ago
United
Sun, Mar 15 - Sun, Mar 22
IAD
Washington
SJO
San José
$330
Roundtrip
Found 4 days ago
Select United flight, departing Sun, Mar 15 from Washington to San José, returning Sun, Mar 22, priced at $330 Found 4 days ago
United
Sun, Mar 15 - Sat, Mar 21
IAD
Washington
SJO
San José
$352
Roundtrip
Found 3 days ago
Select United flight, departing Sun, Mar 15 from Washington to San José, returning Sat, Mar 21, priced at $352 Found 3 days ago
United
Sun, Mar 15 - Sun, Mar 22
IAD
Washington
SJO
San José
$355
Roundtrip
Found 4 days ago
Select United flight, departing Sun, Mar 15 from Washington to San José, returning Sun, Mar 22, priced at $355 Found 4 days ago
United
Sun, Mar 15 - Sun, Mar 22
IAD
Washington
SJO
San José
$368
Roundtrip
Found 4 days ago
Select United flight, departing Sun, Mar 15 from Washington to San José, returning Sun, Mar 22, priced at $368 Found 4 days ago
United
Sun, Mar 15 - Sun, Mar 22
IAD
Washington
SJO
San José
$631
Roundtrip
Found 4 days ago
Select United flight, departing Sun, Mar 15 from Washington to San José, returning Sun, Mar 22, priced at $631 Found 4 days ago
Flights from Washington (IAD) to San José (SJO)
Origin airport
Washington Dulles Intl.
Destination airport
Juan Santamaría Intl.
Distance
3269 km
Average flight time
3 hours 47 mins