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$236+ 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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SEA
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap 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 diciembre 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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.
mar. 12/233:35 pmRAP - SEA
1 stop6h 42mUnited Airlines
mar. 1/65:00 amSEA - RAP
1 stop5h 25mUnited Airlines
Deal found 12/10$377
This United Airlines deal was found by Cheapflights users on 12/10. 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.
jue. 12/114:35 pmRAP - PDX
1 stop5h 40mUnited Airlines
jue. 12/1812:54 pmPDX - RAP
1 stop5h 18mUnited Airlines
Deal found 12/10$409
This United Airlines deal was found by Cheapflights users on 12/10. 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.
jue. 12/253:35 pmRAP - GEG
1 stop6h 23mUnited Airlines
mar. 12/305:05 amGEG - RAP
1 stop6h 41mUnited Airlines
Deal found 12/10$450
This Delta deal was found by Cheapflights users on 12/10. 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.
jue. 12/1111:02 amRAP - PDX
2 stops8h 48mDelta
jue. 12/1810:05 amPDX - RAP
2 stops11h 41mDelta
Deal found 12/10$469
This United Airlines deal was found by Cheapflights users on 12/10. 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.
jue. 12/253:35 pmRAP - SEA
1 stop6h 42mUnited Airlines
lun. 12/2912:44 pmSEA - RAP
1 stop7h 05mUnited Airlines
Deal found 12/10$550
This United Airlines deal was found by Cheapflights users on 12/10. 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.
vie. 12/268:45 amRAP - GEG
1 stop7h 34mUnited Airlines
mar. 12/305:05 amGEG - RAP
1 stop6h 41mUnited Airlines
Deal found 12/10$551
This United Airlines deal was found by Cheapflights users on 12/11. 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.
vie. 12/265:15 amRAP - PDX
1 stop5h 46mUnited Airlines
mar. 12/3012:54 pmPDX - RAP
1 stop5h 18mUnited Airlines
Deal found 12/11$593
This United Airlines deal was found by Cheapflights users on 12/10. 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.
jue. 12/258:45 amRAP - GEG
1 stop7h 34mUnited Airlines
lun. 12/294:00 pmGEG - RAP
1 stop24h 00mUnited Airlines
Deal found 12/10$597
This United Airlines deal was found by Cheapflights users on 12/11. 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.
mié. 12/245:15 amRAP - PDX
1 stop5h 46mUnited Airlines
dom. 12/285:00 amPDX - RAP
1 stop13h 12mUnited Airlines
Deal found 12/11$619
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
vie. 12/199:16 pmRAP - SEA
1 stop21h 01mMultiple Airlines
mar. 12/231:25 pmSEA - RAP
2 stops53h 51mMultiple Airlines
Deal found 12/11$623
This United Airlines deal was found by Cheapflights users on 12/11. 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.
vie. 12/196:05 pmRAP - SEA
1 stop5h 32mUnited Airlines
mar. 12/233:50 pmSEA - RAP
1 stop19h 56mUnited Airlines
Deal found 12/11$677
This United Airlines deal was found by Cheapflights users on 12/10. 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.
vie. 12/268:45 amRAP - GEG
1 stop7h 34mUnited Airlines
dom. 12/281:47 pmGEG - RAP
1 stop4h 25mUnited Airlines
Deal found 12/10$726

Find 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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$239
(United Airlines)

One-way from

$236
(Kiwi.com)

Popular in

April

Cheapest in

January

Average price

$444
Provider with most accurate pricing for Rapid City-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rapid City-Seattle/Tacoma Intl flights.
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From Rapid City to Washington
Search Deals
One-way flight from Rapid City to Washington
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 diciembre 12, 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 CityPasco

RAP - PSC

RAPPSC

Rapid City

sáb. 1/10

4:40 pm-9:13 pm

1 stop5h 33m

Pasco Tri Cities

sáb. 1/17

5:00 am-11:25 am

1 stop5h 25m

$239

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

jue. 1/15

6:00 am-1:03 pm

1 stop8h 03m

Spokane

sáb. 1/24

6:30 am-3:25 pm

1 stop7h 55m

$239

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

sáb. 1/17

7:00 am-1:45 pm

1 stop7h 45m

Portland

mar. 1/20

5:00 am-11:25 am

1 stop5h 25m

$287

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

mié. 2/18

6:00 am-12:23 pm

1 stop7h 23m

Seattle/Tacoma Intl

sáb. 2/28

6:10 am-3:44 pm

1 stop8h 34m

$319

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

mié. 1/28

2:40 pm-9:22 pm

1 stop7h 42m

Spokane

sáb. 1/31

5:00 am-11:25 am

1 stop5h 25m

$319

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

mié. 1/14

5:10 am-9:55 am

1 stop5h 45m

Seattle/Tacoma Intl

sáb. 1/17

5:00 am-1:12 pm

1 stop7h 12m

$329

Rapid CityPasco

RAP - PSC

RAPPSC

Rapid City

sáb. 1/10

4:40 pm-9:13 pm

1 stop5h 33m

Pasco Tri Cities

mar. 1/13

5:00 am-1:12 pm

1 stop7h 12m

$339

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

dom. 3/1

5:20 am-9:49 am

1 stop5h 29m

Seattle/Tacoma Intl

sáb. 3/7

5:00 am-1:13 pm

1 stop7h 13m

$349

Rapid CityPasco

RAP - PSC

RAPPSC

Rapid City

mar. 2/17

2:52 pm-8:50 pm

1 stop6h 58m

Pasco Tri Cities

sáb. 2/21

5:00 am-1:13 pm

1 stop7h 13m

$365

Rapid CityPasco

RAP - PSC

RAPPSC

Rapid City

mar. 2/17

2:52 pm-8:50 pm

1 stop6h 58m

Pasco Tri Cities

dom. 2/22

5:00 am-1:13 pm

1 stop7h 13m

$391

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 21 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 $206). Flying from Rapid City to State of Washington in April is currently the most expensive (average of $423). 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 diciembre 12, 2025.

It’s typically best to fly out from Rapid City to State of Washington at noon. Doing so could potentially save you 23% on the flight price compared to flying in the afternoon, which is usually more expensive.

How much does it cost to fly round-trip from Rapid City to State of Washington?

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 diciembre 12, 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
7.9
Good
8,007 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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?

    United Airlines and Delta can get you from Rapid City to State of Washington in just under 5h 33m. Your travel time can differ by up to 2h 30m. The distance from Rapid City to State of Washington is about 795 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 - Pasco Tri Cities, 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 $206). Flying from Rapid City to State of Washington in April is currently the most expensive (average of $423). 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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$248Average$471FlexibilityNo cancel feeOn-time69%
DeltaCheapest$258Average$380FlexibilityNo cancel feeOn-timeN/A

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