Flights to Western South Dakota from Washington - ￥27,260

View ￥27,260 flight on Sat, Oct 11, 2025Opens in a new window

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Cheap Flights from Washington to Western South Dakota (WAS-RAP)

Prices were available within the past 7 days and start at ￥27,260 for one-way flights and ￥48,510 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Oct 7 - Sat, Oct 18
DCA
Washington
RAP
Rapid City
￥48,510 Roundtrip, found 7 hours ago
￥48,510
Roundtrip
found 7 hours ago
Select Delta flight, departing Tue, Oct 7 from Washington to Rapid City, returning Sat, Oct 18, priced at ￥48,510 found 7 hours ago
Delta
Tue, Oct 7 - Mon, Oct 20
DCA
Washington
RAP
Rapid City
￥49,280 Roundtrip, found 7 hours ago
￥49,280
Roundtrip
found 7 hours ago
Select Delta flight, departing Tue, Oct 7 from Washington to Rapid City, returning Mon, Oct 20, priced at ￥49,280 found 7 hours ago
American Airlines
Tue, Aug 12 - Sun, Aug 17
DCA
Washington
RAP
Rapid City
￥50,170 Roundtrip, found 3 days ago
￥50,170
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Aug 12 from Washington to Rapid City, returning Sun, Aug 17, priced at ￥50,170 found 3 days ago
American Airlines
Tue, Aug 12 - Sun, Aug 17
DCA
Washington
RAP
Rapid City
￥51,890 Roundtrip, found 3 days ago
￥51,890
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Aug 12 from Washington to Rapid City, returning Sun, Aug 17, priced at ￥51,890 found 3 days ago
American Airlines
Fri, Aug 15 - Wed, Aug 20
IAD
Washington
RAP
Rapid City
￥52,720 Roundtrip, found 2 hours ago
￥52,720
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Fri, Aug 15 from Washington to Rapid City, returning Wed, Aug 20, priced at ￥52,720 found 2 hours ago
United
Fri, Aug 15 - Wed, Aug 20
IAD
Washington
RAP
Rapid City
￥55,150 Roundtrip, found 2 hours ago
￥55,150
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Aug 15 from Washington to Rapid City, returning Wed, Aug 20, priced at ￥55,150 found 2 hours ago

Find the cheapest month to fly from Washington (WAS) to Rapid City (RAP)

February is typically the cheapest month to fly

From ￥37,951 - ￥84,195 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.