$137 Cheap Delta flights Washington (IAD) to San José (SJO)

View $137 flight on Mon, Jan 19, 2026Opens in a new window

$137 Cheap Delta flights Washington (IAD) to San José (SJO)

Prices were available within the past 7 days and start at $137 for one-way flights and $273 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Jan 19 - Fri, Jan 30
IAD
Washington
SJO
San José
$273 Roundtrip, found 1 day ago
$273
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Jan 19 from Washington to San José, returning Fri, Jan 30, priced at $273 found 1 day ago
Delta
Mon, Jan 19 - Fri, Jan 30
IAD
Washington
SJO
San José
$333 Roundtrip, found 1 day ago
$333
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Jan 19 from Washington to San José, returning Fri, Jan 30, priced at $333 found 1 day ago
Delta
Mon, Jan 19 - Fri, Jan 30
IAD
Washington
SJO
San José
$413 Roundtrip, found 1 day ago
$413
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Jan 19 from Washington to San José, returning Fri, Jan 30, priced at $413 found 1 day ago

Find the cheapest month to fly from Washington (IAD) to San José (SJO)

February is typically the cheapest month to fly

From $225 - $376 per traveler.
Flights from Washington (IAD) to San José (SJO)
Origin airport
Washington Dulles Intl.
Destination airport
Juan Santamaría Intl.
Airlines serving
Air Canada, American Airlines, Copa, Delta, Southwest Airlines, United, avianca
Popular airline
Copa
Distance
3269 km
Average flight time
4 hours 42 mins