$173 Cheap Delta flights Washington (DCA) to Rapid City (RAP)

View $173 flight on Tue, Aug 19, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$173 Cheap Delta flights Washington (DCA) to Rapid City (RAP)

Prices were available within the past 7 days and start at $173 for one-way flights and $269 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Sep 23 - Mon, Sep 29
DCA
Washington
RAP
Rapid City
$269 Roundtrip, found 1 hour ago
$269
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Sep 23 from Washington to Rapid City, returning Mon, Sep 29, priced at $269 found 1 hour ago
Delta
Sun, Aug 24 - Thu, Sep 11
DCA
Washington
RAP
Rapid City
$274 Roundtrip, found 5 hours ago
$274
Roundtrip
found 5 hours ago
Select Delta flight, departing Sun, Aug 24 from Washington to Rapid City, returning Thu, Sep 11, priced at $274 found 5 hours ago
Delta
Mon, Aug 11 - Wed, Aug 20
DCA
Washington
RAP
Rapid City
$279 Roundtrip, found 22 hours ago
$279
Roundtrip
found 22 hours ago
Select Delta flight, departing Mon, Aug 11 from Washington to Rapid City, returning Wed, Aug 20, priced at $279 found 22 hours ago
Delta
Sun, Aug 24 - Fri, Sep 5
DCA
Washington
RAP
Rapid City
$279 Roundtrip, found 5 hours ago
$279
Roundtrip
found 5 hours ago
Select Delta flight, departing Sun, Aug 24 from Washington to Rapid City, returning Fri, Sep 5, priced at $279 found 5 hours ago
Delta
Wed, Aug 13 - Wed, Aug 20
DCA
Washington
RAP
Rapid City
$284 Roundtrip, found 22 hours ago
$284
Roundtrip
found 22 hours ago
Select Delta flight, departing Wed, Aug 13 from Washington to Rapid City, returning Wed, Aug 20, priced at $284 found 22 hours ago
Delta
Wed, Aug 13 - Tue, Aug 19
DCA
Washington
RAP
Rapid City
$289 Roundtrip, found 22 hours ago
$289
Roundtrip
found 22 hours ago
Select Delta flight, departing Wed, Aug 13 from Washington to Rapid City, returning Tue, Aug 19, priced at $289 found 22 hours ago
Flights from Washington (DCA) to Rapid City (RAP)
Origin airport
Ronald Reagan Washington National
Destination airport
Rapid City Regional
Airlines serving
American Airlines, Delta, United
Popular airline
American Airlines
Distance
1387 mi

Frequently asked questions

How much is a Delta Air Lines flight from Ronald Reagan Washington National Airport (DCA) to Rapid City Regional Airport (RAP)?
Grab affordable round-trip Delta Air Lines flights from $269 from DCA to RAP by sorting your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $173 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DCA to RAP with Delta Air Lines?
Look for one-way or return flights to Rapid City in January or November. You could find lower fares with Delta Air Lines during these off-season months.
What is the cheapest time to book flights from Ronald Reagan Washington National Airport (DCA) to Rapid City Regional Airport (RAP) with Delta Air Lines?
Search for affordable Delta Air Lines flights from Ronald Reagan Washington National Airport (DCA) to Rapid City Regional Airport (RAP) one to three months prior to your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and itinerary, the ideal day to book a domestic flight is generally Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Ronald Reagan Washington National Airport (DCA) to Rapid City Regional Airport (RAP)?
Select our "Nonstop" filter when searching for direct Delta Air Lines flights from DCA to RAP. It's also an easy way to compare other airlines servicing the same nonstop journey.
What is the earliest Delta Air Lines flight from DCA to RAP?
To find the earliest departure from DCA to RAP with Delta Air Lines, filter your results by "Early Morning" and "Morning." Booking an early flight usually means cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Rapid City?
Hop on a Delta Air Lines flight from Ronald Reagan Washington National Airport (DCA) to Rapid City, and you'll likely touch down at Rapid City Regional Airport (RAP). This is the airline's primary hub in this city.
Why fly with Delta Air Lines from DCA to RAP?
With a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is a top choice for many passengers heading from DCA to RAP. Also, if you're a Delta SkyMiles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can go toward future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Ronald Reagan Washington National Airport (DCA) to Rapid City Regional Airport (RAP)?
Depending on your ticket type, a fee generally applies if you modify or cancel your booking more than 24 hours after confirmation. To find plane tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes while looking for flights. For more details on canceling or modifying your reservation, go to "Trips," select your flight and click on "Manage Booking."

Explore a world of travel with Expedia

*Available to One Key members.