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$127+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SEA
Nis 9 — Nis 161
Çar 4/9
Çar 4/16
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 Nisan 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$276
(Mytrip)

One-way from

$127
(Mytrip)

Popular in

May

Cheapest in

February

Average price

$528
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. 15% potential increase in price ($95 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 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 Nisan 4, 2025.

This Mytrip deal was found by Cheapflights users on 4/2. 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.
Paz 4/275:40 pmRAP - PDX
1 stop16h 40mMultiple Airlines
Per 5/812:16 pmPDX - RAP
1 stop26h 24mMultiple Airlines
Deal found 4/2$276
This American Airlines deal was found by Cheapflights users on 4/3. 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.
Cmt 10/44:38 pmRAP - PDX
1 stop7h 05mAmerican Airlines
Cmt 10/185:57 amPDX - RAP
1 stop9h 08mAmerican Airlines
Deal found 4/3$289
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Per 5/15:59 pmRAP - PDX
1 stop6h 00mUnited Airlines
Per 5/810:21 amPDX - RAP
2 stops9h 05mUnited Airlines
Deal found 4/2$311
This Mytrip deal was found by Cheapflights users on 4/3. 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.
Paz 5/45:40 pmRAP - SEA
1 stop27h 11mMultiple Airlines
Cmt 5/103:20 pmSEA - RAP
1 stop24h 30mMultiple Airlines
Deal found 4/3$315
This United Airlines deal was found by Cheapflights users on 4/3. 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.
Per 8/75:59 pmRAP - SEA
1 stop6h 00mUnited Airlines
Pzt 8/182:57 pmSEA - RAP
1 stop6h 03mUnited Airlines
Deal found 4/3$351
This Delta deal was found by Cheapflights users on 4/3. 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.
Cum 9/264:35 pmRAP - SEA
1 stop7h 59mDelta
Cmt 10/412:40 amSEA - RAP
1 stop8h 25mDelta
Deal found 4/3$381
This Sun Country Air deal was found by Cheapflights users on 4/4. 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.
Cum 7/185:30 pmRAP - SEA
1 stop6h 20mSun Country Air
Paz 7/2011:59 pmSEA - RAP
1 stop15h 34mSun Country Air
Deal found 4/4$425
This American Airlines deal was found by Cheapflights users on 4/3. 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.
Pzt 6/234:39 pmRAP - SEA
1 stop7h 17mAmerican Airlines
Çar 7/211:44 amSEA - RAP
1 stop8h 13mAmerican Airlines
Deal found 4/3$451
This Delta deal was found by Cheapflights users on 4/3. 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.
Cmt 5/244:25 pmRAP - PDX
1 stop8h 00mDelta
Sal 5/2712:40 amPDX - RAP
1 stop8h 26mDelta
Deal found 4/3$559

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 Nisan 4, 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

Paz 4/27

5:40 pm-9:20 am

1 stop16h 40m

Portland

Per 5/8

12:16 pm-3:40 pm

1 stop26h 24m

$276

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Per 5/1

5:59 pm-10:59 pm

1 stop6h 00m

Portland

Per 5/8

10:21 am-8:26 pm

2 stops9h 05m

$311

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Paz 5/4

5:40 pm-7:51 pm

1 stop27h 11m

Seattle/Tacoma Intl

Cmt 5/10

3:20 pm-4:50 pm

1 stop24h 30m

$315

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Cum 8/22

4:40 pm-11:55 pm

1 stop8h 15m

Seattle/Tacoma Intl

Sal 8/26

11:55 pm-9:52 am

1 stop8h 57m

$351

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Per 9/4

5:30 am-9:59 am

1 stop5h 29m

Seattle/Tacoma Intl

Paz 9/7

6:45 am-5:07 pm

2 stops9h 22m

$356

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Per 6/5

12:49 pm-11:02 pm

1 stop11h 13m

Portland

Pzt 6/9

12:07 am-5:44 pm

1 stop16h 37m

$416

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Cum 7/18

5:30 pm-10:50 pm

1 stop6h 20m

Seattle/Tacoma Intl

Paz 7/20

11:59 pm-4:33 pm

1 stop15h 34m

$425

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Pzt 6/23

4:39 pm-10:56 pm

1 stop7h 17m

Seattle/Tacoma Intl

Çar 7/2

11:44 am-8:57 pm

1 stop8h 13m

$451

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Cum 4/25

11:45 am-11:44 pm

2 stops12h 59m

Portland

Çar 5/7

12:40 am-10:06 am

1 stop8h 26m

$535

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Paz 6/15

10:04 pm-11:47 am

1 stop14h 43m

$127

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Showing 1-10 of 16 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 $411). 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 Nisan 4, 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 Nisan 4, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines 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
7,897 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

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
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

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
8,619 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

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
7,897 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

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
349 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

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 $206 on American Airlines. Other airlines that offer cheap prices include Delta from $211 and United Airlines from $281 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 $411). 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 Nisan 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$394FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$267Average$524FlexibilityNo cancel feeOn-time69%

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