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$110+ 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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$243
(Mytrip)

One-way from

$110
(Mytrip)

Popular in

April

Cheapest in

March

Average price

$533
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, 3% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/263:32 pmRAP - PDX
1 stop19h 12mAllegiant Air
Thu 7/3110:34 amPDX - RAP
1 stop28h 17mAllegiant Air
Deal found 6/10$243
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 10/89:56 amRAP - SEA
1 stop6h 36mUnited Airlines
Sun 10/125:00 amSEA - RAP
1 stop6h 37mUnited Airlines
Deal found 6/11$259
This Delta deal was found by Cheapflights users on 6/12. 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 10/284:35 pmRAP - SEA
1 stop7h 57mDelta
Sat 11/19:40 amSEA - RAP
2 stops11h 30mDelta
Deal found 6/12$264
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 6/198:40 amRAP - GEG
1 stop4h 55mUnited Airlines
Thu 6/261:37 pmGEG - RAP
1 stop6h 10mUnited Airlines
Deal found 6/11$284
This American Airlines deal was found by Cheapflights users on 6/12. 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 8/1312:50 pmRAP - SEA
1 stop11h 50mAmerican Airlines
Wed 8/2012:45 amSEA - RAP
1 stop15h 57mAmerican Airlines
Deal found 6/12$306
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/263:32 pmRAP - PDX
1 stop19h 12mMultiple Airlines
Thu 7/3110:23 amPDX - RAP
2 stops28h 28mMultiple Airlines
Deal found 6/10$317
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 9/194:47 pmRAP - PDX
1 stop6h 55mUnited Airlines
Fri 9/2610:50 amPDX - RAP
1 stop6h 50mUnited Airlines
Deal found 6/11$329
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/194:35 pmRAP - PDX
1 stop8h 17mDelta
Thu 9/2512:40 amPDX - RAP
1 stop8h 25mDelta
Deal found 6/11$333
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/305:02 pmRAP - PDX
1 stop6h 59mAmerican Airlines
Tue 9/29:59 amPDX - RAP
1 stop9h 59mAmerican Airlines
Deal found 6/10$347
This Delta deal was found by Cheapflights users on 6/10. 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.
Tue 8/52:25 pmRAP - PSC
1 stop6h 25mDelta
Thu 8/76:45 amPSC - RAP
1 stop8h 05mDelta
Deal found 6/10$350
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 8/511:16 amRAP - PSC
2 stops12h 37mUnited Airlines
Thu 8/71:36 pmPSC - RAP
2 stops7h 24mUnited Airlines
Deal found 6/10$374
This Mytrip deal was found by Cheapflights users on 6/12. 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.
Mon 7/144:34 pmRAP - PSC
1 stop19h 27mAllegiant Air
Thu 7/177:01 pmPSC - RAP
1 stop19h 48mAllegiant Air
Deal found 6/12$447

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 June 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 CityPortland

RAP - PDX

RAPPDX

Rapid City

Sat 7/26

3:32 pm-9:44 am

1 stop19h 12m

Portland

Thu 7/31

10:34 am-3:51 pm

1 stop28h 17m

$243

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Wed 10/8

9:56 am-3:32 pm

1 stop6h 36m

Seattle/Tacoma Intl

Sun 10/12

5:00 am-12:37 pm

1 stop6h 37m

$259

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Tue 10/28

4:35 pm-11:32 pm

1 stop7h 57m

Seattle/Tacoma Intl

Sat 11/1

9:40 am-10:10 pm

2 stops11h 30m

$264

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

Thu 7/10

11:16 am-5:27 pm

1 stop7h 11m

Spokane

Thu 7/17

5:30 am-12:46 pm

1 stop6h 16m

$303

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Wed 8/13

12:50 pm-11:40 pm

1 stop11h 50m

Seattle/Tacoma Intl

Wed 8/20

12:45 am-5:42 pm

1 stop15h 57m

$306

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Sat 7/26

3:32 pm-9:44 am

1 stop19h 12m

Portland

Thu 7/31

10:23 am-3:51 pm

2 stops28h 28m

$317

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Fri 9/19

4:47 pm-10:42 pm

1 stop6h 55m

Portland

Fri 9/26

10:50 am-6:40 pm

1 stop6h 50m

$329

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Fri 9/19

4:35 pm-11:52 pm

1 stop8h 17m

Portland

Thu 9/25

12:40 am-10:05 am

1 stop8h 25m

$333

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Sat 8/30

5:02 pm-11:01 pm

1 stop6h 59m

Portland

Tue 9/2

9:59 am-8:58 pm

1 stop9h 59m

$347

Rapid CityPasco

RAP - PSC

RAPPSC

Rapid City

Tue 8/5

2:25 pm-7:50 pm

1 stop6h 25m

Pasco Tri Cities

Thu 8/7

6:45 am-3:50 pm

1 stop8h 05m

$350

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 28 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 July is currently the most expensive (average of $391). 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 June 12, 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.

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and Allegiant Air from Rapid City to Washington to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

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!
Allegiant Air
7.3
Good
725 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

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
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

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
345 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

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 $165 on Sun Country Air. Other airlines that offer cheap prices include American Airlines from $181 and Delta from $186 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 July is currently the most expensive (average of $391). 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.

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$408FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$267Average$515FlexibilityNo cancel feeOn-time69%

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