$321+ Cheap flights from Rapid City (RAP) to Reagan-National (DCA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — DCA
Nov 21 — Nov 281
Round-trip
1 adult, Economy
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Find cheap flights from Rapid City to Reagan-National with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Rapid City to Reagan-National
Cheapest
Best
Last-minute
One-way
Cheapest flights from Rapid City to Reagan-NationalExplore the most affordable flight options available from Rapid City to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2026.
Explore the most affordable flight options available from Rapid City to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2026.
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/202:23 pm -
1 stop5h 37m
Sun 11/2212:21 pm -
1 stop5h 33m
Deal found 10/18![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:00 am -
1 stop5h 55m
Wed 11/116:25 am -
1 stop6h 06m
Deal found 10/19![United Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:38 pm -
1 stop5h 06m
Wed 11/117:59 am -
2 stops9h 55m
Deal found 10/19![Delta logo]()
$390
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
1 stop6h 28m
Sat 10/311:44 pm -
1 stop9h 55m
Deal found 10/21![American Airlines logo]()
$400
This American Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:51 pm -
2 stops8h 08m
Wed 10/288:33 am -
2 stops9h 52m
Deal found 10/20![American Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:39 am -
2 stops12h 00m
Sat 10/319:40 am -
2 stops8h 18m
Deal found 10/19![Delta logo]()
$421
Best flights from Rapid City to Reagan-NationalDiscover carefully curated flight deals from Rapid City to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 22, 2026.
Discover carefully curated flight deals from Rapid City to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 22, 2026.
This Delta deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/611:30 am -
1 stop4h 46m
Tue 4/137:40 am -
1 stop5h 32m
Deal found 10/17![Delta logo]()
$321
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:00 am -
1 stop5h 56m
Wed 12/93:30 pm -
1 stop8h 12m
Deal found 10/21![United Airlines logo]()
$431
This Delta deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/54:00 pm -
1 stop5h 29m
Tue 4/137:40 am -
1 stop5h 32m
Deal found 10/20![Delta logo]()
$340
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/202:23 pm -
1 stop5h 37m
Sun 11/2212:21 pm -
1 stop5h 33m
Deal found 10/18![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/711:29 am -
2 stops9h 38m
Fri 11/136:59 pm -
1 stop5h 42m
Deal found 10/19![Delta logo]()
$390
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/711:29 am -
2 stops10h 19m
Wed 11/115:28 pm -
2 stops7h 13m
Deal found 10/19![Delta logo]()
$395
Last-minute flights from Rapid City to Reagan-NationalDiscover last-minute flight deals from Rapid City to Reagan-National. Data last updated October 22, 2026 and is based on user searches.
Discover last-minute flight deals from Rapid City to Reagan-National. Data last updated October 22, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
1 stop6h 28m
Sat 10/311:44 pm -
1 stop9h 55m
Deal found 10/21![American Airlines logo]()
$400
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:39 am -
2 stops12h 00m
Sat 10/319:40 am -
2 stops8h 18m
Deal found 10/19![Delta logo]()
$421
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:00 am -
1 stop5h 55m
Wed 11/116:25 am -
1 stop6h 06m
Deal found 10/19![United Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:38 pm -
1 stop5h 06m
Wed 11/117:59 am -
2 stops9h 55m
Deal found 10/19![Delta logo]()
$390
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:45 am -
1 stop5h 15m
Sun 11/156:05 am -
1 stop6h 18m
Deal found 10/18![Delta logo]()
$449
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/202:23 pm -
1 stop5h 37m
Sun 11/2212:21 pm -
1 stop5h 33m
Deal found 10/18![Delta logo]()
$359
One-way flights from Rapid City to Reagan-NationalSearch for one-way flight options from Rapid City to Reagan-National. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
Search for one-way flight options from Rapid City to Reagan-National. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:09 pm -
1 stop8h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$396
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:30 pm -
1 stop7h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:29 am -
2 stops9h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$444
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 am -
3 stops12h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$2,500
Find flight deals from Rapid City to Reagan-National
Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $321 (Delta) |
Popular in | October |
Cheapest in | January |
Average price | $842 |
Cheapflights Fare Finder
Customize your flight search to find flights from Rapid City to Reagan-National that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 22, 2026.
Use the filters below to find and compare flights from Rapid City to Washington, D.C. Reagan-National Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Rapid CityWashington, D.C.
RAP Rapid City - DCA Washington, D.C. Reagan-National
RAPDCA
Rapid City
Tue 4/6
11:30 am-6:16 pm
1 stop4h 46m
Washington, D.C. Reagan-National
Tue 4/13
7:40 am-11:12 am
1 stop5h 32m
$321
Rapid CityWashington, D.C.
RAP Rapid City - DCA Washington, D.C. Reagan-National
RAPDCA
Rapid City
Mon 4/5
4:00 pm-11:29 pm
1 stop5h 29m
Washington, D.C. Reagan-National
Tue 4/13
7:40 am-11:12 am
1 stop5h 32m
$340
Rapid CityWashington, D.C.
RAP Rapid City - DCA Washington, D.C. Reagan-National
RAPDCA
Rapid City
Fri 11/20
2:23 pm-10:00 pm
1 stop5h 37m
Washington, D.C. Reagan-National
Sun 11/22
12:21 pm-3:54 pm
1 stop5h 33m
$359
Rapid CityWashington, D.C.
RAP Rapid City - DCA Washington, D.C. Reagan-National
RAPDCA
Rapid City
Sat 11/7
11:29 am-11:07 pm
2 stops9h 38m
Washington, D.C. Reagan-National
Fri 11/13
6:59 pm-10:41 pm
1 stop5h 42m
$390
Rapid CityWashington, D.C.
RAP Rapid City - DCA Washington, D.C. Reagan-National
RAPDCA
Rapid City
Sat 11/7
11:29 am-11:48 pm
2 stops10h 19m
Washington, D.C. Reagan-National
Wed 11/11
5:28 pm-10:41 pm
2 stops7h 13m
$395
Rapid CityWashington, D.C.
RAP Rapid City - DCA Washington, D.C. Reagan-National
RAPDCA
Rapid City
Wed 11/4
1:09 pm-11:59 pm
1 stop8h 50m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$396
Quickest round-trip
Rapid CityWashington, D.C.
RAP Rapid City - DCA Washington, D.C. Reagan-National
RAPDCA
Rapid City
Fri 11/6
1:30 pm-10:43 pm
1 stop7h 13m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$429
Rapid CityWashington, D.C.
RAP Rapid City - DCA Washington, D.C. Reagan-National
RAPDCA
Rapid City
Sat 12/5
7:00 am-2:56 pm
1 stop5h 56m
Washington, D.C. Reagan-National
Wed 12/9
3:30 pm-9:42 pm
1 stop8h 12m
$431
Rapid CityWashington, D.C.
RAP Rapid City - DCA Washington, D.C. Reagan-National
RAPDCA
Rapid City
Fri 11/6
11:29 am-11:07 pm
2 stops9h 38m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$444
Rapid CityWashington, D.C.
RAP Rapid City - DCA Washington, D.C. Reagan-National
RAPDCA
Rapid City
Wed 11/4
7:00 am-9:57 pm
3 stops12h 57m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$2,500
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Rapid City-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rapid City-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rapid City-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Rapid City-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rapid City-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Rapid City to Reagan-National
Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Rapid City with our price prediction graph.
RAP-DCA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Rapid City to Washington, D.C. Reagan-National Airport
Reviews of airlines servicing Reagan-National
Get insights into the airlines that provide service to Reagan-National. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Reagan-National. Reviews last updated October 22, 2026.
Read through reviews of airlines operating flights from Rapid City to Washington, D.C. Reagan-National Airport, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Crew
8.5
Comfort
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Crew
8.5
Comfort
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Crew
8.5
Comfort
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
Find useful and relevant information for your journey from Rapid City to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Washington, D.C. Reagan-National Airport?
Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locationsAlexandria
Woodbridge
Arlington
Owings Mills
Lanham
Reston
Herndon
Hyattsville
Rockville
Springfield
Fredericksburg
Falls Church
Tysons
Towson
Oxon Hill
Laurel
Clinton
Hunt Valley
Waldorf
Silver Spring
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Reagan-National flight routes
Alternative routes for Rapid City to Reagan-National
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Reagan-National by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Rapid City to Reagan-National by cabin class
Find flights from Rapid City to Reagan-National, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Rapid City and Reagan-National flights
Browse other Rapid City and Reagan-National flight options. Last updated on October 22, 2026.
Other flights from Rapid City
Browse through other flights departing from Rapid City. Flights are based on user searches made on Cheapflights and were last updated on October 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Reagan-National
Explore flights to Reagan-National departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 22, 2026.
Top 2 airlines flying from Rapid City to Reagan-National
Discover the top 2 airlines that operate flights from Rapid City to Reagan-National. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$201 | Average$520 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$492 | FlexibilityNo cancel fee | On-timeN/A |