Flights to South Pacific Coast from Washington - ￥21,340

View ￥21,340 flight on Mon, Jul 21, 2025Opens in a new window

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Cheap Flights from Washington to South Pacific Coast (WAS-SJO)

Prices were available within the past 7 days and start at ￥21,340 for one-way flights and ￥43,420 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Jul 21 - Thu, Jul 31
IAD
Washington
SJO
San José
￥43,420 Roundtrip, found 4 days ago
￥43,420
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Jul 21 from Washington to San José, returning Thu, Jul 31, priced at ￥43,420 found 4 days ago
American Airlines
Mon, Jul 21 - Thu, Jul 31
IAD
Washington
SJO
San José
￥44,240 Roundtrip, found 4 days ago
￥44,240
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Jul 21 from Washington to San José, returning Thu, Jul 31, priced at ￥44,240 found 4 days ago
United
Mon, Jul 21 - Thu, Jul 31
IAD
Washington
SJO
San José
￥47,420 Roundtrip, found 4 days ago
￥47,420
Roundtrip
found 4 days ago
Select United flight, departing Mon, Jul 21 from Washington to San José, returning Thu, Jul 31, priced at ￥47,420 found 4 days ago
avianca
Mon, Jul 21 - Thu, Jul 31
IAD
Washington
SJO
San José
￥48,370 Roundtrip, found 4 days ago
￥48,370
Roundtrip
found 4 days ago
Select avianca flight, departing Mon, Jul 21 from Washington to San José, returning Thu, Jul 31, priced at ￥48,370 found 4 days ago
American Airlines
Mon, Jul 21 - Thu, Jul 31
IAD
Washington
SJO
San José
￥48,520 Roundtrip, found 4 days ago
￥48,520
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Jul 21 from Washington to San José, returning Thu, Jul 31, priced at ￥48,520 found 4 days ago
Copa
Mon, Jul 21 - Thu, Jul 31
IAD
Washington
SJO
San José
￥57,310 Roundtrip, found 4 days ago
￥57,310
Roundtrip
found 4 days ago
Select Copa flight, departing Mon, Jul 21 from Washington to San José, returning Thu, Jul 31, priced at ￥57,310 found 4 days ago
*Available to Expedia members.