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Rapid City

$152+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — RAP
Apr 15 — Apr 221
Tue 4/15
Tue 4/22
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 April 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$236
(Mytrip)

One-way from

$152
(American Airlines)

Popular in

October

Cheapest in

January

Average price

$495
Provider with most accurate pricing for Seattle/Tacoma Intl-Rapid City flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Rapid City flights.
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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. 14% potential increase in price ($99 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($21 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 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 April 10, 2025.

This Mytrip deal was found by Cheapflights users on 4/8. 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 5/86:00 amSEA - RAP
1 stop9h 50mMultiple Airlines
Thu 5/1510:12 pmRAP - SEA
1 stop26h 58mMultiple Airlines
Deal found 4/8$236
This American Airlines deal was found by Cheapflights users on 4/9. 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 8/181:43 amPDX - RAP
1 stop6h 54mAmerican Airlines
Wed 8/2710:27 amRAP - PDX
1 stop9h 03mAmerican Airlines
Deal found 4/9$259
This Sun Country Air deal was found by Cheapflights users on 4/9. 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.
Wed 9/243:27 pmSEA - RAP
1 stop17h 37mSun Country Air
Sun 9/285:13 pmRAP - SEA
1 stop24h 48mSun Country Air
Deal found 4/9$305
This Delta deal was found by Cheapflights users on 4/9. 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 7/32:22 pmGEG - RAP
1 stop7h 19mDelta
Mon 7/146:20 amRAP - GEG
1 stop7h 57mDelta
Deal found 4/9$324
This United deal was found by Cheapflights users on 4/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/45:15 amPDX - RAP
1 stop4h 58mUnited Airlines
Mon 9/84:47 pmRAP - PDX
1 stop6h 51mUnited Airlines
Deal found 4/10$329
This Mytrip deal was found by Cheapflights users on 4/8. 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.
Fri 5/162:46 pmPDX - RAP
2 stops24h 45mMultiple Airlines
Sun 5/1810:12 pmRAP - PDX
1 stop15h 30mMultiple Airlines
Deal found 4/8$332
This American Airlines deal was found by Cheapflights users on 4/9. 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 6/301:22 amSEA - RAP
1 stop7h 23mAmerican Airlines
Tue 7/154:38 pmRAP - SEA
1 stop9h 05mAmerican Airlines
Deal found 4/9$351
This Delta deal was found by Cheapflights users on 4/9. 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 10/307:55 pmPDX - RAP
2 stops13h 10mDelta
Mon 11/32:20 pmRAP - PDX
1 stop7h 05mDelta
Deal found 4/9$364
This United Airlines deal was found by Cheapflights users on 4/9. 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 4/251:35 pmPSC - RAP
2 stops7h 25mUnited Airlines
Wed 4/3011:43 amRAP - PSC
2 stops10h 47mUnited Airlines
Deal found 4/9$400
This United Airlines deal was found by Cheapflights users on 4/9. 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 5/305:35 amGEG - RAP
1 stop6h 01mUnited Airlines
Tue 6/37:00 amRAP - GEG
1 stop6h 35mUnited Airlines
Deal found 4/9$404
This United Airlines deal was found by Cheapflights users on 4/9. 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 9/186:45 amSEA - RAP
2 stops9h 22mUnited Airlines
Tue 9/2311:18 amRAP - SEA
1 stop5h 36mUnited Airlines
Deal found 4/9$406
This Delta deal was found by Cheapflights users on 4/10. 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.
Sat 5/101:30 pmSEA - RAP
2 stops8h 04mDelta
Thu 5/154:25 pmRAP - SEA
2 stops8h 34mDelta
Deal found 4/10$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 April 10, 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

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Thu 5/8

6:00 am-4:50 pm

1 stop9h 50m

Rapid City

Thu 5/15

10:12 pm-12:10 am

1 stop26h 58m

$236

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Mon 8/18

1:43 am-9:37 am

1 stop6h 54m

Rapid City

Wed 8/27

10:27 am-6:30 pm

1 stop9h 03m

$259

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Wed 9/24

3:27 pm-10:04 am

1 stop17h 37m

Rapid City

Sun 9/28

5:13 pm-5:01 pm

1 stop24h 48m

$305

SpokaneRapid City

GEG - RAP

GEGRAP

Spokane

Thu 7/3

2:22 pm-10:41 pm

1 stop7h 19m

Rapid City

Mon 7/14

6:20 am-1:17 pm

1 stop7h 57m

$324

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Thu 9/4

5:15 am-11:13 am

1 stop4h 58m

Rapid City

Mon 9/8

4:47 pm-10:38 pm

1 stop6h 51m

$329

PortlandRapid City

PDX - RAP

PDXRAP

Portland

Fri 5/16

2:46 pm-4:31 pm

2 stops24h 45m

Rapid City

Sun 5/18

10:12 pm-12:42 pm

1 stop15h 30m

$332

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Mon 6/30

1:22 am-9:45 am

1 stop7h 23m

Rapid City

Tue 7/15

4:38 pm-12:43 am

1 stop9h 05m

$351

PascoRapid City

PSC - RAP

PSCRAP

Pasco Tri Cities

Fri 4/25

1:35 pm-10:00 pm

2 stops7h 25m

Rapid City

Wed 4/30

11:43 am-9:30 pm

2 stops10h 47m

$400

SpokaneRapid City

GEG - RAP

GEGRAP

Spokane

Fri 5/30

5:35 am-12:36 pm

1 stop6h 01m

Rapid City

Tue 6/3

7:00 am-12:35 pm

1 stop6h 35m

$404

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Thu 9/18

6:45 am-5:07 pm

2 stops9h 22m

Rapid City

Tue 9/23

11:18 am-3:54 pm

1 stop5h 36m

$406

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

Showing 1-10 of 25 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 May is currently the most expensive (average of $556). 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 April 10, 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 April 10, 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
7,907 reviews

Entertainment

7.9

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Overall

8.0

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
7,907 reviews
Delta
8.0
Very good
7,907 reviews

Entertainment

7.9

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Overall

8.0

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
8,634 reviews
Delta
8.0
Very good
7,907 reviews

Entertainment

7.9

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Overall

8.0

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
7,907 reviews

Entertainment

7.9

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Overall

8.0

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
7,907 reviews

Entertainment

7.9

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Overall

8.0

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
7,907 reviews

Entertainment

7.9

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Overall

8.0

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 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 American Airlines, with whom users have recently found tickets for as low as $152. However, be on the lookout for offers from United Airlines and Delta, 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 Spokane - 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 May is currently the most expensive (average of $556). 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?

Book flights to Washington if you plan to visit one of these locations
Deadwood
Spearfish
Keystone
Sturgis
Wall

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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 April 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$361FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$531FlexibilityNo cancel feeOn-time71%
Sun Country AirCheapest$293Average$350FlexibilityNo cancel feeOn-time83%
United AirlinesCheapest$313Average$562FlexibilityNo cancel feeOn-time69%

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