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$249+ Cheap flights from Rapid City (RAP) to Washington

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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SEA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Rapid City to Washington

Keep the following information in mind while searching for Rapid City to Washington flight deals. Data was last updated September 11, 2025.

Round-trip from

$249
(Delta)

Popular in

April

Cheapest in

March

Average price

$470
From Rapid City to Washington
Search Deals
High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Rapid City to Washington

Cheapest flights from Rapid City to Washington
Explore the most affordable flight options available from Rapid City to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Delta deal was found by Cheapflights users on 9/10. 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 10/296:05 amRAP - GEG
1 stop8h 00mDelta
Wed 11/52:17 pmGEG - RAP
1 stop7h 19mDelta
Deal found 9/10$249
This Delta deal was found by Cheapflights users on 9/10. 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 10/296:05 amRAP - GEG
1 stop8h 00mDelta
Tue 11/411:20 amGEG - RAP
2 stops10h 16mDelta
Deal found 9/10$254
This Delta deal was found by Cheapflights users on 9/9. 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 10/224:34 pmRAP - SEA
1 stop8h 23mDelta
Wed 11/196:00 amSEA - RAP
1 stop7h 11mDelta
Deal found 9/9$259
This Delta deal was found by Cheapflights users on 9/10. 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 10/24:24 pmRAP - GEG
1 stop8h 34mDelta
Tue 10/72:17 pmGEG - RAP
1 stop7h 19mDelta
Deal found 9/10$274
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/18:30 amRAP - GEG
1 stop5h 06mUnited Airlines
Sat 10/41:38 pmGEG - RAP
1 stop5h 57mUnited Airlines
Deal found 9/10$279
This Delta deal was found by Cheapflights users on 9/10. 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 9/254:24 pmRAP - GEG
1 stop8h 34mDelta
Sun 9/286:10 amGEG - RAP
1 stop8h 33mDelta
Deal found 9/10$284
This United Airlines deal was found by Cheapflights users on 9/10. 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 11/2111:15 amRAP - SEA
1 stop7h 55mUnited Airlines
Wed 11/268:36 amSEA - RAP
1 stop7h 24mUnited Airlines
Deal found 9/10$299
This Delta deal was found by Cheapflights users on 9/10. 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 10/34:24 pmRAP - GEG
1 stop8h 34mDelta
Tue 10/72:17 pmGEG - RAP
1 stop7h 19mDelta
Deal found 9/10$299
This Delta deal was found by Cheapflights users on 9/10. 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 11/16:05 amRAP - GEG
2 stops10h 48mDelta
Mon 11/31:10 pmGEG - RAP
2 stops8h 26mDelta
Deal found 9/10$304
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/227:00 amRAP - SEA
2 stops8h 24mUnited Airlines
Wed 11/195:00 amSEA - RAP
1 stop5h 05mUnited Airlines
Deal found 9/9$309
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/185:59 pmRAP - SEA
1 stop6h 00mUnited Airlines
Fri 10/312:43 pmSEA - RAP
1 stop6h 51mUnited Airlines
Deal found 9/10$314
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/47:00 amRAP - GEG
1 stop6h 36mUnited Airlines
Sun 10/51:38 pmGEG - RAP
1 stop7h 34mUnited Airlines
Deal found 9/10$319

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City to Washington 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 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Rapid City to Washington that are best for you.

Fly from

Rapid City

Fly to

Washington

Route

Depart

Return

Price

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

Thu 10/30

6:05 am-1:05 pm

1 stop8h 00m

Spokane

Wed 11/5

2:17 pm-10:36 pm

1 stop7h 19m

$249

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

Fri 10/31

6:05 am-1:05 pm

1 stop8h 00m

Spokane

Sun 11/2

1:10 pm-10:36 pm

2 stops8h 26m

$254

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

Thu 10/30

6:05 am-1:05 pm

1 stop8h 00m

Spokane

Tue 11/4

11:20 am-10:36 pm

2 stops10h 16m

$254

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

Wed 10/29

6:05 am-1:05 pm

1 stop8h 00m

Spokane

Tue 11/4

11:20 am-10:36 pm

2 stops10h 16m

$254

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Tue 3/3

10:40 am-4:51 pm

1 stop7h 11m

Portland

Fri 3/6

12:55 am-10:05 am

1 stop8h 10m

$274

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

Thu 9/25

4:24 pm-11:58 pm

1 stop8h 34m

Spokane

Sat 9/27

2:23 pm-10:30 pm

1 stop7h 07m

$284

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

Thu 9/25

4:24 pm-11:58 pm

1 stop8h 34m

Spokane

Sun 9/28

6:10 am-3:43 pm

1 stop8h 33m

$284

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Fri 11/21

11:15 am-6:10 pm

1 stop7h 55m

Seattle/Tacoma Intl

Wed 11/26

8:36 am-5:00 pm

1 stop7h 24m

$299

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

Fri 10/3

4:24 pm-11:58 pm

1 stop8h 34m

Spokane

Tue 10/7

2:17 pm-10:36 pm

1 stop7h 19m

$299

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

Thu 9/25

4:24 pm-11:58 pm

1 stop8h 34m

Spokane

Fri 10/3

2:23 pm-10:30 pm

1 stop7h 07m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 29 results
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Best time to book a flight from Rapid City to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Rapid City with our price prediction graph.
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

What is the cheapest month to book a flight from Rapid City to State of Washington?

Currently, January is the cheapest month in which you can book a flight from Rapid City to State of Washington (average of $238). Flying from Rapid City to State of Washington in June is currently the most expensive (average of $388). 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.

What is the cheapest time of day to fly from RAP to WA?

Find hourly flight availability from Rapid City to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from Rapid City to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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. Reviews last updated September 11, 2025.
See what other customers who have flown with Delta and United Airlines from Rapid City to Washington have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Rapid City to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Rapid City to Washington?

    Most people fly from Rapid City (RAP) if they book a flight from Rapid City to Washington. Rapid City is conveniently located just 9.0 mi from Rapid City’s city center.

  • How long is the flight from Rapid City to State of Washington?

    Delta and United Airlines can get you from Rapid City to State of Washington in just under 7h 55m. Your travel time can differ by up to 05m. The distance from Rapid City to State of Washington is about 954 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Rapid City to State of Washington?

    While some choose either Rapid City - Portland or Rapid City - Spokane, Rapid City - Seattle/Tacoma Intl is the most popular route from Rapid City to State of Washington.

  • Can I find deals for flights from Rapid City to Washington that include hotel bookings?

    Yes. In addition to deals on Rapid City to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rapid City to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rapid City to Washington.

  • Can I find deals for business class flights from Rapid City to Washington?

    Yes. Cheapflights offers flight deals from Rapid City to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Rapid City to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Rapid City to State of Washington (average of $238). Flying from Rapid City to State of Washington in June is currently the most expensive (average of $388). 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.

See more FAQs

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Alternative routes for Rapid City to Washington

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Top 2 airlines flying from Rapid City to Washington

Discover the top 2 airlines that operate flights from Rapid City to Washington. 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 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$248Average$493FlexibilityNo cancel feeOn-time69%
DeltaCheapest$258Average$368FlexibilityNo cancel feeOn-timeN/A

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