$276+ Cheap flights from Rapid City (RAP) to Washington, D.C. (WAS)
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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — WAS
Nov 21 — Nov 281
Round-trip
1 adult, Economy
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Cheapest flights from Rapid City to Washington, D.C.Explore the most affordable flight options available from Rapid City to Washington, D.C.. 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 Washington, D.C.. 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 10/16. 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.
Wed 12/304:37 pm -
1 stop4h 56m
Wed 1/67:30 am -
1 stop5h 42m
Deal found 10/16![Delta logo]()
$321
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.
Thu 11/266:50 am -
1 stop4h 59m
Tue 12/17:26 am -
1 stop8h 34m
Deal found 10/21![Delta logo]()
$340
This Delta deal was found by Cheapflights users on 10/16. 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.
Wed 12/304:37 pm -
1 stop4h 56m
Fri 1/85:00 pm -
2 stops7h 39m
Deal found 10/16![Delta logo]()
$345
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.
Thu 11/124:36 pm -
1 stop4h 47m
Wed 11/187:01 am -
1 stop5h 22m
Deal found 10/19![Delta logo]()
$359
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 10/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:00 am -
1 stop5h 55m
Sun 11/156:10 am -
1 stop6h 21m
Deal found 10/18![United Airlines logo]()
$359
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 11/204:36 pm -
1 stop4h 45m
Sun 11/226:00 am -
2 stops9h 43m
Deal found 10/18![Delta logo]()
$364
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 United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:12 am -
1 stop6h 18m
Sat 11/74:10 pm -
1 stop6h 33m
Deal found 10/17![United Airlines logo]()
$385
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 11/204:36 pm -
1 stop4h 47m
Sun 11/227:01 am -
1 stop5h 22m
Deal found 10/18![Delta logo]()
$389
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 10/19. 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 stops11h 13m
Fri 11/137:25 am -
1 stop8h 18m
Deal found 10/19![Delta logo]()
$390
Best flights from Rapid City to Washington, D.C.Discover carefully curated flight deals from Rapid City to Washington, D.C. 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 Washington, D.C. 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 10/19. 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 stop6h 13m
Fri 11/134:19 pm -
1 stop6h 24m
Deal found 10/19![United Airlines logo]()
$394
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.
Tue 4/611:30 am -
2 stops10h 50m
Tue 4/137:30 am -
1 stop5h 42m
Deal found 10/21![Delta logo]()
$326
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 4/133:05 pm -
2 stops9h 34m
Deal found 10/20![Delta logo]()
$345
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.
Mon 4/511:30 am -
2 stops9h 32m
Tue 4/137:30 am -
1 stop5h 42m
Deal found 10/18![Delta logo]()
$345
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:00 am -
1 stop6h 02m
Wed 12/95:10 pm -
1 stop6h 32m
Deal found 10/17![United Airlines logo]()
$431
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.
Mon 4/54:00 pm -
1 stop5h 46m
Tue 4/1312:00 pm -
1 stop5h 46m
Deal found 10/19![Delta logo]()
$359
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:12 am -
1 stop8h 18m
Mon 11/96:12 am -
1 stop6h 19m
Deal found 10/17![United Airlines logo]()
$458
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 10/21. 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.
Thu 11/266:50 am -
2 stops10h 59m
Tue 12/17:20 pm -
1 stop5h 26m
Deal found 10/21![Delta logo]()
$364
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
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 59m
Fri 11/137:01 am -
1 stop5h 22m
Deal found 10/19![Delta logo]()
$399
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:00 am -
1 stop5h 55m
Tue 11/104:10 pm -
1 stop6h 33m
Deal found 10/17![United Airlines logo]()
$753
This Delta deal was found by Cheapflights users on 10/16. 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 12/286:35 am -
1 stop14h 58m
Wed 1/65:00 pm -
2 stops7h 39m
Deal found 10/16![Delta logo]()
$529
Last-minute flights from Rapid City to Washington, D.C.Discover last-minute flight deals from Rapid City to Washington, D.C.. Data last updated October 22, 2026 and is based on user searches.
Discover last-minute flight deals from Rapid City to Washington, D.C.. Data last updated October 22, 2026 and is based on user searches.
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:12 am -
1 stop6h 18m
Sat 11/74:10 pm -
1 stop6h 33m
Deal found 10/17![United Airlines logo]()
$385
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/212:39 pm -
1 stop8h 29m
Mon 11/94:19 pm -
1 stop6h 24m
Deal found 10/17![United Airlines logo]()
$394
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 10/19. 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 stops11h 13m
Fri 11/137:25 am -
1 stop8h 18m
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 stops9h 59m
Fri 11/137:01 am -
1 stop5h 22m
Deal found 10/19![Delta logo]()
$399
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:00 am -
1 stop5h 55m
Sun 11/156:10 am -
1 stop6h 21m
Deal found 10/18![United Airlines 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.
Thu 11/124:36 pm -
1 stop4h 47m
Wed 11/187:01 am -
1 stop5h 22m
Deal found 10/19![Delta logo]()
$359
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 10/18. 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 11/204:36 pm -
1 stop4h 45m
Sun 11/226:00 am -
2 stops9h 43m
Deal found 10/18![Delta logo]()
$364
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 11/204:36 pm -
1 stop4h 47m
Sun 11/227:01 am -
1 stop5h 22m
Deal found 10/18![Delta logo]()
$389
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.
Thu 11/266:50 am -
1 stop4h 59m
Tue 12/17:26 am -
1 stop8h 34m
Deal found 10/21![Delta logo]()
$340
One-way flights from Rapid City to Washington, D.C.Search for one-way flight options from Rapid City to Washington, D.C.. 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 Washington, D.C.. 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 10/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/241:12 pm -
2 stops25h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![American Airlines logo]()
$276
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.
Thu 12/241:32 pm -
1 stop5h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$339
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.
Thu 12/249:47 am -
1 stop7h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$339
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/256:00 am -
2 stops9h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![American Airlines logo]()
$344
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 10/19. 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.
Wed 12/239:47 am -
2 stops13h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$401
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.
Wed 12/236:35 am -
1 stop14h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Delta logo]()
$407
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:45 pm -
3 stops33h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$433
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 11/612:39 pm -
1 stop8h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$439
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 Washington, D.C.
Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Washington, D.C. (WAS). 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) |
One-way from | $276 (American Airlines) |
Popular in | May |
Cheapest in | December |
Average price | $571 |
Cheapflights Fare Finder
Customize your flight search to find flights from Rapid City to Washington, D.C. 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. that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Rapid CityBaltimore
RAP Rapid City - BWI Baltimore/Washington
RAPBWI
Rapid City
Thu 12/24
1:12 pm-4:23 pm
2 stops25h 11m
Baltimore/Washington
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$276
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 - IAD Washington, D.C. Dulles Intl
RAPIAD
Rapid City
Tue 4/6
11:30 am-12:20 am
2 stops10h 50m
Washington, D.C. Dulles Intl
Tue 4/13
7:30 am-11:12 am
1 stop5h 42m
$326
Quickest round-trip
Rapid CityBaltimore
RAP Rapid City - BWI Baltimore/Washington
RAPBWI
Rapid City
Thu 12/24
1:32 pm-8:50 pm
1 stop5h 18m
Baltimore/Washington
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$339
Rapid CityWashington, D.C.
RAP Rapid City - IAD Washington, D.C. Dulles Intl
RAPIAD
Rapid City
Thu 12/24
9:47 am-7:31 pm
1 stop7h 44m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$339
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
3:05 pm-10:39 pm
2 stops9h 34m
$345
Rapid CityWashington, D.C.
RAP Rapid City - IAD Washington, D.C. Dulles Intl
RAPIAD
Rapid City
Mon 4/5
11:30 am-11:02 pm
2 stops9h 32m
Washington, D.C. Dulles Intl
Tue 4/13
7:30 am-11:12 am
1 stop5h 42m
$345
Rapid CityBaltimore
RAP Rapid City - BWI Baltimore/Washington
RAPBWI
Rapid City
Mon 4/5
4:00 pm-11:46 pm
1 stop5h 46m
Baltimore/Washington
Tue 4/13
12:00 pm-3:46 pm
1 stop5h 46m
$359
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 CityBaltimore
RAP Rapid City - BWI Baltimore/Washington
RAPBWI
Rapid City
Thu 11/26
6:50 am-7:49 pm
2 stops10h 59m
Baltimore/Washington
Tue 12/1
7:20 pm-10:46 pm
1 stop5h 26m
$364
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Rapid City to Washington, D.C.
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rapid City to Washington, D.C. in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Rapid City-Washington, D.C. 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. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rapid City-Washington, D.C. flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Rapid City-Washington, D.C. 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. 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 Washington, D.C.
Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Rapid City with our price prediction graph.
RAP-WAS
RAP-DCA
RAP-BWI
RAP-IAD
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.
RAP-WAS
RAP-DCA
RAP-BWI
RAP-IAD
What is the cheapest month to book a flight from Rapid City to Washington, D.C.?
Currently, January is the cheapest month in which you can book a flight from Rapid City to Washington, D.C. (average of $338). Flying from Rapid City to Washington, D.C. in July is currently the most expensive (average of $693). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Washington, D.C.
Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated October 22, 2026.
Read through reviews of airlines operating flights from Rapid City to Washington, D.C., such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Overall
7.8
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 Washington, D.C.. 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.?
Book flights to Washington, D.C. 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
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Rapid City and Washington, D.C. flights
Browse other Rapid City and Washington, D.C. 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.
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Explore flights to Washington, D.C. departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 22, 2026.
Top 3 airlines flying from Rapid City to Washington, D.C.
Discover the top 3 airlines that operate flights from Rapid City to Washington, D.C.. 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$485 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$492 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$442 | Average$575 | FlexibilityNo cancel fee | On-time71% |