Flights to Keystone from Baltimore - $139

Cheap Flights from Baltimore to Keystone (WAS-RAP)

Prices were available within the past 7 days and start at $139 for one-way flights and $269 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 6 - Tue, Sep 9

BWI

Baltimore

RAP

Rapid City

$269 Roundtrip, just found

$269

Roundtrip

just found

Select United flight, departing Sat, Sep 6 from Baltimore to Rapid City, returning Tue, Sep 9, priced at $269 just found

Sat, Sep 6 - Tue, Sep 9

DCA

Washington

RAP

Rapid City

$269 Roundtrip, just found

$269

Roundtrip

just found

Select United flight, departing Sat, Sep 6 from Washington to Rapid City, returning Tue, Sep 9, priced at $269 just found

Sun, Sep 21 - Sat, Sep 27

DCA

Washington

RAP

Rapid City

$269 Roundtrip, found 10 hours ago

$269

Roundtrip

found 10 hours ago

Select American Airlines flight, departing Sun, Sep 21 from Washington to Rapid City, returning Sat, Sep 27, priced at $269 found 10 hours ago

Wed, Aug 20 - Wed, Aug 27

DCA

Washington

RAP

Rapid City

$274 Roundtrip, found 1 day ago

$274

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, Aug 20 from Washington to Rapid City, returning Wed, Aug 27, priced at $274 found 1 day ago

Wed, Aug 20 - Sat, Aug 30

DCA

Washington

RAP

Rapid City

$279 Roundtrip, found 1 day ago

$279

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, Aug 20 from Washington to Rapid City, returning Sat, Aug 30, priced at $279 found 1 day ago

Mon, Aug 18 - Fri, Aug 22

BWI

Baltimore

RAP

Rapid City

$307 Roundtrip, found 2 days ago

$307

Roundtrip

found 2 days ago

Select Sun Country Airlines flight, departing Mon, Aug 18 from Baltimore to Rapid City, returning Fri, Aug 22, priced at $307 found 2 days ago