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$181+ Cheap flights from Rapid City (RAP) to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SEA
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
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 julio 30, 2025.

Round-trip from

$259
(American Airlines)

One-way from

$181
(Delta)

Popular in

April

Cheapest in

March

Average price

$512
From Rapid City to Washington
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One-way flight from Rapid City to Washington
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 30, 2025.

This American Airlines deal was found by Cheapflights users on 7/30. 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.
lun. 11/242:20 pmRAP - PDX
1 stop9h 39mAmerican Airlines
mié. 12/37:59 amPDX - RAP
1 stop7h 06mAmerican Airlines
Deal found 7/30$259
This Delta deal was found by Cheapflights users on 7/29. 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.
mar. 9/232:27 pmRAP - SEA
1 stop6h 49mDelta
dom. 9/286:00 amSEA - RAP
1 stop8h 43mDelta
Deal found 7/29$259
This United Airlines deal was found by Cheapflights users on 7/29. 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.
mar. 9/95:30 amRAP - PDX
1 stop4h 58mUnited Airlines
sáb. 9/135:00 amPDX - RAP
1 stop6h 38mUnited Airlines
Deal found 7/29$288
This United Airlines deal was found by Cheapflights users on 7/29. 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.
jue. 10/306:00 pmRAP - SEA
1 stop6h 10mUnited Airlines
lun. 11/33:48 pmSEA - RAP
1 stop5h 11mUnited Airlines
Deal found 7/29$302
This United Airlines deal was found by Cheapflights users on 7/28. 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.
mar. 8/264:47 pmRAP - GEG
1 stop5h 16mUnited Airlines
sáb. 8/304:00 pmGEG - RAP
1 stop4h 59mUnited Airlines
Deal found 7/28$349
This American Airlines deal was found by Cheapflights users on 7/29. 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.
dom. 10/54:38 pmRAP - SEA
1 stop7h 27mAmerican Airlines
mar. 10/710:32 amSEA - RAP
1 stop9h 47mAmerican Airlines
Deal found 7/29$351
This Sun Country Air deal was found by Cheapflights users on 7/29. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/155:27 pmRAP - SEA
1 stop18h 35mSun Country Air
dom. 8/1711:59 pmSEA - RAP
1 stop15h 10mSun Country Air
Deal found 7/29$375
This American Airlines deal was found by Cheapflights users on 7/29. 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.
jue. 7/315:36 amRAP - GEG
1 stop7h 01mAmerican Airlines
dom. 8/312:27 pmGEG - RAP
1 stop7h 39mAmerican Airlines
Deal found 7/29$419
This Trip.com deal was found by Cheapflights users on 7/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/155:27 pmRAP - SEA
2 stops26h 19mMultiple Airlines
dom. 8/176:25 amSEA - RAP
2 stops32h 44mMultiple Airlines
Deal found 7/29$420
This Delta deal was found by Cheapflights users on 7/29. 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.
mar. 9/96:25 amRAP - PDX
1 stop7h 16mDelta
vie. 9/1212:45 amPDX - RAP
1 stop8h 27mDelta
Deal found 7/29$441
This Delta deal was found by Cheapflights users on 7/28. 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.
mar. 8/266:25 amRAP - GEG
2 stops16h 01mDelta
sáb. 8/307:10 amGEG - RAP
2 stops14h 22mDelta
Deal found 7/28$461
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/319:59 pmRAP - GEG
2 stops20h 03mMultiple Airlines
dom. 8/39:33 amGEG - RAP
1 stop10h 26mMultiple Airlines
Deal found 7/29$595

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 julio 30, 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 CitySeattle

RAP - SEA

RAPSEA

Rapid City

mar. 9/23

2:27 pm-8:16 pm

1 stop6h 49m

Seattle/Tacoma Intl

dom. 9/28

6:00 am-3:43 pm

1 stop8h 43m

$259

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

mar. 9/9

5:30 am-9:28 am

1 stop4h 58m

Portland

sáb. 9/13

5:00 am-12:38 pm

1 stop6h 38m

$288

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

jue. 10/30

6:00 pm-11:10 pm

1 stop6h 10m

Seattle/Tacoma Intl

lun. 11/3

3:48 pm-9:59 pm

1 stop5h 11m

$302

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

mar. 8/26

4:47 pm-9:03 pm

1 stop5h 16m

Spokane

sáb. 8/30

4:00 pm-9:59 pm

1 stop4h 59m

$349

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

dom. 10/5

4:38 pm-11:05 pm

1 stop7h 27m

Seattle/Tacoma Intl

mar. 10/7

10:32 am-9:19 pm

1 stop9h 47m

$351

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

vie. 8/15

5:27 pm-11:02 am

1 stop18h 35m

Seattle/Tacoma Intl

dom. 8/17

11:59 pm-4:09 pm

1 stop15h 10m

$375

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

mar. 8/19

5:02 pm-10:59 pm

1 stop6h 57m

Portland

vie. 8/22

7:00 am-5:42 pm

1 stop9h 42m

$377

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

vie. 8/15

5:27 pm-6:46 pm

2 stops26h 19m

Seattle/Tacoma Intl

dom. 8/17

6:25 am-4:09 pm

2 stops32h 44m

$420

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

mar. 9/9

6:25 am-12:41 pm

1 stop7h 16m

Portland

vie. 9/12

12:45 am-10:12 am

1 stop8h 27m

$441

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

mar. 8/26

6:25 am-9:26 pm

2 stops16h 01m

Spokane

sáb. 8/30

7:10 am-10:32 pm

2 stops14h 22m

$461

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 23 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 $389). 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 julio 30, 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 julio 30, 2025.
See what other customers who have flown with Delta, United Airlines, and American 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
7,980 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

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
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

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!
Sun Country Air
6.9
Okay
334 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

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.

  • What are the cheapest airlines to fly from Rapid City to State of Washington one-way?

    One-way options have recently been found by users for as low as $181 on Delta. Other airlines that offer cheap prices include United Airlines from $203 and Sun Country Air from $203 one-way.

  • 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 $389). 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$368FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$267Average$503FlexibilityNo cancel feeOn-time69%

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