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Rapid City

$129+ Cheap flights from Washington to Rapid City (RAP)

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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — RAP
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheap flight deals from Washington to Rapid City

Keep the following information in mind while searching for Washington to Rapid City flight deals. Data was last updated June 18, 2025.

Round-trip from

$263
(Mytrip)

One-way from

$143
(Mytrip)

Popular in

October

Cheapest in

January

Average price

$500
From Washington to Rapid City
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One-way flight from Washington to Rapid City
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Highest demand for flights based on searches. 18% potential increase in price ($124 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($24 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 Washington to Rapid City

Cheapest flights from Washington to Rapid City
Explore the most affordable flight options available from Washington to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2025.

This United Airlines deal was found by Cheapflights users on 6/17. 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 9/175:00 amPDX - RAP
1 stop5h 32mUnited Airlines
Sun 9/215:30 amRAP - PDX
1 stop4h 58mUnited Airlines
Deal found 6/17$259
This Mytrip deal was found by Cheapflights users on 6/16. 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.
Thu 8/1412:03 pmPDX - RAP
1 stop8h 07mMultiple Airlines
Sun 8/1710:00 pmRAP - PDX
1 stop14h 08mMultiple Airlines
Deal found 6/16$263
This Delta deal was found by Cheapflights users on 6/17. 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 12/412:40 amSEA - RAP
1 stop8h 25mDelta
Sun 12/74:35 pmRAP - SEA
1 stop7h 59mDelta
Deal found 6/17$269
This United Airlines deal was found by Cheapflights users on 6/17. 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 8/215:07 amSEA - RAP
1 stop6h 31mUnited Airlines
Mon 8/254:47 pmRAP - SEA
1 stop7h 12mUnited Airlines
Deal found 6/17$283
This Sun Country Air deal was found by Cheapflights users on 6/16. 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.
Thu 7/311:59 pmSEA - RAP
1 stop14h 52mSun Country Air
Mon 7/75:21 pmRAP - SEA
1 stop15h 38mSun Country Air
Deal found 6/16$290
This Delta deal was found by Cheapflights users on 6/15. 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.
Sat 9/132:05 pmGEG - RAP
1 stop7h 05mDelta
Sat 9/206:20 amRAP - GEG
2 stops10h 47mDelta
Deal found 6/15$294
This Delta deal was found by Cheapflights users on 6/17. 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 8/412:40 amPDX - RAP
1 stop8h 33mDelta
Fri 8/154:25 pmRAP - PDX
1 stop8h 06mDelta
Deal found 6/17$343
This American Airlines deal was found by Cheapflights users on 6/15. 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 8/75:24 amSEA - RAP
1 stop9h 47mAmerican Airlines
Tue 8/195:39 amRAP - SEA
1 stop10h 12mAmerican Airlines
Deal found 6/15$351
This Trip.com deal was found by Cheapflights users on 6/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/311:59 pmSEA - RAP
1 stop14h 52mMultiple Airlines
Sun 7/69:49 pmRAP - SEA
1 stop18h 14mMultiple Airlines
Deal found 6/15$352
This American Airlines deal was found by Cheapflights users on 6/17. 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.
Mon 7/1412:59 amPDX - RAP
1 stop7h 56mAmerican Airlines
Tue 7/224:38 pmRAP - PDX
1 stop8h 49mAmerican Airlines
Deal found 6/17$361
This Sun Country Air deal was found by Cheapflights users on 6/15. 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.
Sun 6/2911:59 pmPDX - RAP
1 stop15h 28mSun Country Air
Mon 7/75:21 pmRAP - PDX
1 stop6h 25mSun Country Air
Deal found 6/15$405
This United Airlines deal was found by Cheapflights users on 6/17. 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 7/31:37 pmGEG - RAP
1 stop6h 10mUnited Airlines
Mon 7/77:00 amRAP - GEG
1 stop6h 35mUnited Airlines
Deal found 6/17$411

Cheapflights Fare Finder

Customize your flight search to find flights from Washington to Rapid City 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 18, 2025.
Use the filters below to find and compare flights from Washington to Rapid City that are best for you.

Fly from

Washington

Fly to

Rapid City

Route

Depart

Return

Price

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Thu 8/14

12:03 pm-9:10 pm

1 stop8h 07m

Rapid City

Sun 8/17

10:00 pm-11:08 am

1 stop14h 08m

$263

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Thu 12/4

12:40 am-10:05 am

1 stop8h 25m

Rapid City

Sun 12/7

4:35 pm-11:34 pm

1 stop7h 59m

$269

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Thu 8/21

5:07 am-12:38 pm

1 stop6h 31m

Rapid City

Mon 8/25

4:47 pm-10:59 pm

1 stop7h 12m

$283

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Thu 7/3

11:59 pm-3:51 pm

1 stop14h 52m

Rapid City

Mon 7/7

5:21 pm-7:59 am

1 stop15h 38m

$290

SpokaneRapid City

GEG - RAP

GEGRAP

Spokane

Sat 9/13

2:05 pm-10:10 pm

1 stop7h 05m

Rapid City

Sat 9/20

6:20 am-4:07 pm

2 stops10h 47m

$294

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Tue 7/15

4:16 pm-10:01 pm

1 stop4h 45m

Rapid City

Tue 7/22

5:59 pm-10:16 pm

1 stop5h 17m

$296

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Mon 8/4

12:40 am-10:13 am

1 stop8h 33m

Rapid City

Fri 8/15

4:25 pm-11:31 pm

1 stop8h 06m

$343

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Thu 8/7

5:24 am-4:11 pm

1 stop9h 47m

Rapid City

Tue 8/19

5:39 am-2:51 pm

1 stop10h 12m

$351

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Thu 7/3

11:59 pm-3:51 pm

1 stop14h 52m

Rapid City

Sun 7/6

9:49 pm-3:03 pm

1 stop18h 14m

$352

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Mon 7/14

12:59 am-9:55 am

1 stop7h 56m

Rapid City

Tue 7/22

4:38 pm-12:27 am

1 stop8h 49m

$361

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 28 results
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Best time to book a flight from Washington to Rapid City

Have a flexible travel schedule? Discover the best time to fly to Rapid City from Washington 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 Washington to Rapid City

What is the cheapest month to book a flight from State of Washington to Rapid City?

Currently, January is the cheapest month in which you can book a flight from State of Washington to Rapid City (average of $348). Flying from State of Washington to Rapid City in June is currently the most expensive (average of $506). 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 WA to RAP?

Find hourly flight availability from Washington to Rapid City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 18, 2025.

When flying from State of Washington to Rapid City, 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 Rapid City by month

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

In terms of precipitation, rainfall in Rapid City ranges from 0.3 - 3.2 inches per month. May is typically the wettest month, when rainfall can reach 3.2 in. January is typically the driest time to visit Rapid City when rainfall is around 0.3 in.

Temperature in Rapid City by month

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

If weather is an important factor for your trip to Rapid City, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Rapid City

Get insights into the airlines that provide service to Rapid City. 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 Rapid City. Reviews last updated June 18, 2025.
Read reviews from past customers who have flown Delta, United Airlines and Allegiant Air from Washington to Rapid City. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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
8,809 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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
722 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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
7,964 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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
7,964 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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 Washington to Rapid City. 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 into for flights to Rapid City from Washington?

    Rapid City (RAP) is the airport you will fly into if you book a flight from Washington to Rapid City. It is only a 9.0 mi journey from Rapid City (RAP) to Rapid City’s city center.

  • What are the cheapest airlines to fly from State of Washington to Rapid City one-way?

    The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $143. However, be on the lookout for offers from Sun Country Air and American Airlines, as they are both options that can get you from State of Washington to Rapid City for a low price.

  • What are the most popular routes from State of Washington to Rapid City?

    The most popular route from State of Washington to Rapid City is Seattle/Tacoma Intl - Rapid City. You may also consider Portland - Rapid City or Pasco Tri Cities - Rapid City.

  • Can I find deals for flights from Washington to Rapid City that include hotel bookings?

    Yes. In addition to deals on Washington to Rapid City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Rapid City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Rapid City.

  • Can I find deals for business class flights from Washington to Rapid City?

    Yes. Cheapflights offers flight deals from Washington to Rapid City 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 State of Washington to Rapid City?

    Currently, January is the cheapest month in which you can book a flight from State of Washington to Rapid City (average of $348). Flying from State of Washington to Rapid City in June is currently the most expensive (average of $506). 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

Traveling to a place near Washington?

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Alternative routes for Washington to Rapid City

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Washington to Rapid City

Discover the top 4 airlines that operate flights from Washington to Rapid City. 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$137Average$367FlexibilityNo cancel feeOn-time83%
DeltaCheapest$248Average$361FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$400FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$541FlexibilityNo cancel feeOn-time69%

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