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$126+ 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 6/21. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SEA
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$259
(American Airlines)

One-way from

$126
(Mytrip)

Popular in

June

Cheapest in

March

Average price

$575
Provider with most accurate pricing for Rapid City-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Rapid City-Seattle/Tacoma Intl flights.
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From Rapid City to Washington
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One-way flight from Rapid City to Washington
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Highest demand for flights based on searches. 16% potential increase in price ($104 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 29, 2025.

This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/174:38 pmRAP - PDX
1 stop7h 05mAmerican Airlines
Tue 9/237:00 amPDX - RAP
1 stop9h 27mAmerican Airlines
Deal found 4/28$259
This Delta deal was found by Cheapflights users on 4/28. 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.
Tue 5/136:33 amRAP - GEG
1 stop7h 13mDelta
Sat 5/172:10 pmGEG - RAP
1 stop7h 24mDelta
Deal found 4/28$284
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 7/35:59 pmRAP - PDX
1 stop5h 17mUnited Airlines
Mon 7/75:00 amPDX - RAP
1 stop6h 46mUnited Airlines
Deal found 4/28$287
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/143:31 pmRAP - PDX
1 stop19h 14mMultiple Airlines
Wed 6/186:39 pmPDX - RAP
1 stop25h 33mMultiple Airlines
Deal found 4/28$307
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 9/1011:18 amRAP - SEA
1 stop7h 33mUnited Airlines
Mon 9/155:07 amSEA - RAP
1 stop6h 31mUnited Airlines
Deal found 4/28$351
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/159:05 amRAP - GEG
1 stop4h 33mUnited Airlines
Tue 5/201:40 pmGEG - RAP
1 stop5h 46mUnited Airlines
Deal found 4/27$354
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/54:38 pmRAP - SEA
1 stop7h 18mAmerican Airlines
Sun 9/76:18 amSEA - RAP
1 stop10h 09mAmerican Airlines
Deal found 4/28$381
This Sun Country Air deal was found by Cheapflights users on 4/27. 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.
Mon 7/287:57 pmRAP - PDX
1 stop22h 49mSun Country Air
Thu 7/316:45 pmPDX - RAP
1 stop20h 24mSun Country Air
Deal found 4/27$385
This Delta deal was found by Cheapflights users on 4/28. 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.
Thu 7/314:30 pmRAP - SEA
1 stop8h 22mDelta
Thu 8/76:00 amSEA - RAP
1 stop8h 50mDelta
Deal found 4/28$401
This Delta deal was found by Cheapflights users on 4/28. 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.
Mon 7/1410:43 amRAP - PDX
2 stops11h 18mDelta
Mon 7/218:02 pmPDX - RAP
2 stops13h 01mDelta
Deal found 4/28$414
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Tue 5/133:43 pmRAP - PSC
1 stop6h 05mUnited Airlines
Sat 5/175:00 amPSC - RAP
1 stop27h 21mUnited Airlines
Deal found 4/28$504
This Delta deal was found by Cheapflights users on 4/28. 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.
Thu 9/186:20 amRAP - PSC
2 stops11h 42mDelta
Thu 9/259:30 amPSC - RAP
2 stops11h 40mDelta
Deal found 4/28$1,477

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 April 29, 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

Wed 9/17

4:38 pm-10:43 pm

1 stop7h 05m

Portland

Tue 9/23

7:00 am-5:27 pm

1 stop9h 27m

$259

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

Tue 5/13

6:33 am-12:46 pm

1 stop7h 13m

Spokane

Sat 5/17

2:10 pm-10:34 pm

1 stop7h 24m

$284

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Thu 7/3

5:59 pm-10:16 pm

1 stop5h 17m

Portland

Mon 7/7

5:00 am-12:46 pm

1 stop6h 46m

$287

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Sat 6/14

3:31 pm-9:45 am

1 stop19h 14m

Portland

Wed 6/18

6:39 pm-9:12 pm

1 stop25h 33m

$307

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

Thu 5/15

9:05 am-12:38 pm

1 stop4h 33m

Spokane

Tue 5/20

1:40 pm-8:26 pm

1 stop5h 46m

$354

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Tue 5/27

9:47 am-3:53 pm

1 stop7h 06m

Seattle/Tacoma Intl

Tue 6/3

8:58 am-3:55 pm

1 stop5h 57m

$367

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Mon 7/28

7:57 pm-5:46 pm

1 stop22h 49m

Portland

Thu 7/31

6:45 pm-4:09 pm

1 stop20h 24m

$385

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Mon 7/14

10:43 am-9:01 pm

2 stops11h 18m

Portland

Mon 7/21

8:02 pm-10:03 am

2 stops13h 01m

$414

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Fri 6/13

12:49 pm-8:03 pm

1 stop8h 14m

Seattle/Tacoma Intl

Mon 6/16

11:32 pm-9:45 am

1 stop9h 13m

$481

Rapid CityPasco

RAP - PSC

RAPPSC

Rapid City

Tue 5/13

3:43 pm-8:48 pm

1 stop6h 05m

Pasco Tri Cities

Sat 5/17

5:00 am-9:21 am

1 stop27h 21m

$504

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 25 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 $405). 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 April 29, 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 April 29, 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
7,929 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Allegiant Air
7.3
Good
734 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Sun Country Air
6.9
Okay
345 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 $126 on Allegiant Air. Other airlines that offer cheap prices include Sun Country Air from $138 and United Airlines from $157 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 $405). 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$388FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$267Average$517FlexibilityNo cancel feeOn-time69%

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