
Popular airlines from Washington to La Asuncion
Peach
Skymark Airlines
All Nippon Airways
Japan Airlines
Jetstar Japan
Solaseed Air
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Cheap Flights from Washington to La Asuncion (WAS-SJO)
Prices were available within the past 7 days and start at ¥19,510 for one-way flights and ¥48,190 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Jan 4 - Sat, Jan 10
IAD
Washington
SJO
San José
¥48,190 Roundtrip, found 1 day ago
¥48,190
Roundtrip
found 1 day ago

Sun, Jan 4 - Mon, Jan 12
IAD
Washington
SJO
San José
¥49,920 Roundtrip, found 1 day ago
¥49,920
Roundtrip
found 1 day ago

Sun, Jan 4 - Sat, Jan 10
IAD
Washington
SJO
San José
¥50,670 Roundtrip, found 1 day ago
¥50,670
Roundtrip
found 1 day ago

Sun, Jan 4 - Mon, Jan 12
IAD
Washington
SJO
San José
¥51,910 Roundtrip, found 1 day ago
¥51,910
Roundtrip
found 1 day ago

Sun, Jan 4 - Sat, Jan 10
BWI
Baltimore
SJO
San José
¥73,890 Roundtrip, found 1 day ago
¥73,890
Roundtrip
found 1 day ago

Sun, Jan 4 - Sat, Jan 10
BWI
Baltimore
SJO
San José
¥82,090 Roundtrip, found 1 day ago
¥82,090
Roundtrip
found 1 day ago
Find the cheapest month to fly from Washington (WAS) to San José (SJO)
October is typically the cheapest month to fly
From ¥33,264 - ¥49,364 per traveler.
Graph displaying average flight prices per month
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