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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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SEA
Mar 8 — Mar 151
Sat 3/8
Sat 3/15
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 March 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$305
(American Airlines)

One-way from

$236
(Delta)

Popular in

May

Cheapest in

January

Average price

$444
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. 12% potential increase in price ($82 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 3, 2025.

This Mytrip deal was found by Cheapflights users on 3/3. 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.
Sun 3/235:40 pmRAP - SEA
2 stops26h 29mMultiple Airlines
Wed 3/268:04 pmSEA - RAP
2 stops19h 46mMultiple Airlines
Deal found 3/3$291
This American Airlines deal was found by Cheapflights users on 3/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/214:42 pmRAP - PDX
1 stop8h 42mAmerican Airlines
Sat 8/231:43 amPDX - RAP
1 stop6h 54mAmerican Airlines
Deal found 3/2$305
This United Airlines deal was found by Cheapflights users on 3/2. 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.
Thu 8/215:48 pmRAP - PDX
1 stop5h 50mUnited Airlines
Sun 8/245:15 amPDX - RAP
1 stop4h 58mUnited Airlines
Deal found 3/2$319
This United Airlines deal was found by Cheapflights users on 3/2. 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.
Tue 4/13:43 pmRAP - SEA
1 stop6h 19mUnited Airlines
Mon 4/73:35 pmSEA - RAP
1 stop5h 25mUnited Airlines
Deal found 3/2$351
This Sun Country Air deal was found by Cheapflights users on 3/3. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/185:30 pmRAP - SEA
1 stop6h 20mSun Country Air
Sun 7/2011:59 pmSEA - RAP
1 stop15h 34mSun Country Air
Deal found 3/3$395
This Delta deal was found by Cheapflights users on 3/3. 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.
Sun 3/234:16 pmRAP - SEA
1 stop8h 16mDelta
Wed 3/266:20 amSEA - RAP
1 stop8h 16mDelta
Deal found 3/3$461
This United Airlines deal was found by Cheapflights users on 3/1. 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.
Mon 3/173:21 pmRAP - GEG
1 stop6h 32mUnited Airlines
Fri 3/215:00 amGEG - RAP
1 stop5h 06mUnited Airlines
Deal found 3/1$471
This Delta deal was found by Cheapflights users on 3/1. 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 3/174:16 pmRAP - GEG
1 stop7h 24mDelta
Fri 3/2111:17 amGEG - RAP
2 stops10h 17mDelta
Deal found 3/1$476
This Delta deal was found by Cheapflights users on 3/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/212:20 pmRAP - PDX
2 stops10h 18mDelta
Sat 8/2312:40 amPDX - RAP
1 stop8h 12mDelta
Deal found 3/2$489
This American Airlines deal was found by Cheapflights users on 3/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/112:25 pmRAP - SEA
1 stop7h 43mAmerican Airlines
Sun 4/612:59 amSEA - RAP
1 stop9h 57mAmerican Airlines
Deal found 3/2$496
This United deal was found by Cheapflights users on 3/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/53:40 pmRAP - PSC
1 stop6h 10mUnited Airlines
Fri 3/712:50 pmPSC - RAP
1 stop5h 04mUnited Airlines
Deal found 3/2$711

Find flights from Rapid City to Washington within your budget

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 March 3, 2025.

Fly from

Rapid City

Fly to

Washington

Route

Depart

Return

Price

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Thu 8/21

4:42 pm-12:24 am

1 stop8h 42m

Portland

Sat 8/23

1:43 am-9:37 am

1 stop6h 54m

$305

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Thu 8/21

5:48 pm-10:38 pm

1 stop5h 50m

Portland

Sun 8/24

5:15 am-11:13 am

1 stop4h 58m

$319

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Tue 4/1

3:43 pm-9:02 pm

1 stop6h 19m

Seattle/Tacoma Intl

Mon 4/7

3:35 pm-10:00 pm

1 stop5h 25m

$351

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Fri 7/18

5:30 pm-10:50 pm

1 stop6h 20m

Seattle/Tacoma Intl

Sun 7/20

11:59 pm-4:33 pm

1 stop15h 34m

$395

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Thu 7/31

4:40 pm-11:25 pm

1 stop7h 45m

Seattle/Tacoma Intl

Thu 8/7

11:55 pm-9:52 am

1 stop8h 57m

$471

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

Mon 3/17

3:21 pm-8:53 pm

1 stop6h 32m

Spokane

Fri 3/21

5:00 am-11:06 am

1 stop5h 06m

$471

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

Mon 3/17

4:16 pm-10:40 pm

1 stop7h 24m

Spokane

Fri 3/21

11:17 am-10:34 pm

2 stops10h 17m

$476

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Thu 8/21

2:20 pm-11:38 pm

2 stops10h 18m

Portland

Sat 8/23

12:40 am-9:52 am

1 stop8h 12m

$489

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Tue 4/1

12:25 pm-7:08 pm

1 stop7h 43m

Seattle/Tacoma Intl

Sun 4/6

12:59 am-11:56 am

1 stop9h 57m

$496

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Sat 5/10

10:41 am-4:42 pm

1 stop7h 01m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 12 results
1
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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.

Travel insights for flights from Rapid City to Washington

Get recent, data-driven insights about flights from Rapid City to Washington including ideal travel times, pricing trends, and more.

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 March 3, 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 March 3, 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
8,068 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
8,068 reviews
Delta
8.0
Very good
8,068 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
8,679 reviews
Delta
8.0
Very good
8,068 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
8,068 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
7.0
Good
362 reviews
Delta
8.0
Very good
8,068 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

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 $236 on Delta. Other airlines that offer cheap prices include United Airlines from $250 and American Airlines from $286 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

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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 March 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$247Average$377FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$308Average$528FlexibilityNo cancel feeOn-time69%
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