Cheap flights from Seattle to Western South Dakota

View AU$349 flight on Thu, 29 Jan. 2026Opens in a new window

Popular airlines from Seattle to Western South Dakota

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Seattle (SEA) 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.

Delta
Fri, 30 Jan. - Fri, 13 Feb.
SEA
Seattle
RAP
Rapid City
AU$468 Return, found 1 day ago
AU$468
Return
found 1 day ago
Select Delta flight, departing Fri, 30 Jan. from Seattle to Rapid City, returning Fri, 13 Feb., priced at AU$468 found 1 day ago
Delta
Sat, 24 Jan. - Fri, 13 Feb.
SEA
Seattle
RAP
Rapid City
AU$476 Return, found 1 day ago
AU$476
Return
found 1 day ago
Select Delta flight, departing Sat, 24 Jan. from Seattle to Rapid City, returning Fri, 13 Feb., priced at AU$476 found 1 day ago
American Airlines
Thu, 29 Jan. - Mon, 2 Feb.
SEA
Seattle
RAP
Rapid City
AU$491 Return, found 1 day ago
AU$491
Return
found 1 day ago
Select American Airlines flight, departing Thu, 29 Jan. from Seattle to Rapid City, returning Mon, 2 Feb., priced at AU$491 found 1 day ago
United
Thu, 29 Jan. - Mon, 2 Feb.
SEA
Seattle
RAP
Rapid City
AU$498 Return, found 1 day ago
AU$498
Return
found 1 day ago
Select United flight, departing Thu, 29 Jan. from Seattle to Rapid City, returning Mon, 2 Feb., priced at AU$498 found 1 day ago
Delta
Thu, 29 Jan. - Mon, 2 Feb.
SEA
Seattle
RAP
Rapid City
AU$505 Return, found 1 day ago
AU$505
Return
found 1 day ago
Select Delta flight, departing Thu, 29 Jan. from Seattle to Rapid City, returning Mon, 2 Feb., priced at AU$505 found 1 day ago
Delta
Fri, 30 Jan. - Fri, 13 Feb.
SEA
Seattle
RAP
Rapid City
AU$544 Return, found 1 day ago
AU$544
Return
found 1 day ago
Select Delta flight, departing Fri, 30 Jan. from Seattle to Rapid City, returning Fri, 13 Feb., priced at AU$544 found 1 day ago

Find the cheapest month to fly from Seattle (SEA) to Rapid City (RAP)

January is typically the cheapest month to fly

From AU$396 - AU$949 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.