Cheap flights from Washington to Western South Dakota

View AU$337 flight on Mon, 1 Sep. 2025Opens in a new window

Popular airlines from Washington to Western South Dakota

  • Jetstar

    Jetstar

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    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 1 Sep. - Mon, 8 Sep.
DCA
Washington
RAP
Rapid City
AU$681 Return, found 6 days ago
AU$681
Return
found 6 days ago
Select American Airlines flight, departing Mon, 1 Sep. from Washington to Rapid City, returning Mon, 8 Sep., priced at AU$681 found 6 days ago
United
Mon, 1 Sep. - Mon, 8 Sep.
IAD
Washington
RAP
Rapid City
AU$687 Return, found 6 days ago
AU$687
Return
found 6 days ago
Select United flight, departing Mon, 1 Sep. from Washington to Rapid City, returning Mon, 8 Sep., priced at AU$687 found 6 days ago
United
Mon, 1 Sep. - Mon, 8 Sep.
DCA
Washington
RAP
Rapid City
AU$687 Return, found 6 days ago
AU$687
Return
found 6 days ago
Select United flight, departing Mon, 1 Sep. from Washington to Rapid City, returning Mon, 8 Sep., priced at AU$687 found 6 days ago
American Airlines
Mon, 1 Sep. - Mon, 8 Sep.
DCA
Washington
RAP
Rapid City
AU$720 Return, found 6 days ago
AU$720
Return
found 6 days ago
Select American Airlines flight, departing Mon, 1 Sep. from Washington to Rapid City, returning Mon, 8 Sep., priced at AU$720 found 6 days ago
United
Mon, 1 Sep. - Mon, 8 Sep.
BWI
Baltimore
RAP
Rapid City
AU$758 Return, found 6 days ago
AU$758
Return
found 6 days ago
Select United flight, departing Mon, 1 Sep. from Baltimore to Rapid City, returning Mon, 8 Sep., priced at AU$758 found 6 days ago
Delta
Mon, 1 Sep. - Mon, 8 Sep.
DCA
Washington
RAP
Rapid City
AU$829 Return, found 6 days ago
AU$829
Return
found 6 days ago
Select Delta flight, departing Mon, 1 Sep. from Washington to Rapid City, returning Mon, 8 Sep., priced at AU$829 found 6 days ago

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

January is typically the cheapest month to fly

From AU$398 - AU$731 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.