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Rapid City

$202+ Cheap flights from Seattle to Rapid City (SEA - 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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — RAP
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Rapid City are usually found in January or February, booked 38 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap flight deals from Seattle to Rapid City

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Rapid City (RAP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$300
(Sun Country Air)

One-way from

$203
(Booking.com)

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 Seattle/Tacoma Intl to Rapid City
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One-way flight from Seattle/Tacoma Intl to Rapid City
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Highest demand for flights based on searches. 14% potential increase in price ($98 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 Seattle to Rapid City

Cheapest flights from Seattle to Rapid City
Explore the most affordable flight options available from Seattle to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This Sun Country Air deal was found by Cheapflights users on 4/16. 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.
Wed 9/243:27 pmSEA - RAP
1 stop17h 37mSun Country Air
Sun 9/285:13 pmRAP - SEA
1 stop24h 48mSun Country Air
Deal found 4/16$300
This American Airlines deal was found by Cheapflights users on 4/17. 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 6/301:22 amSEA - RAP
1 stop7h 23mAmerican Airlines
Tue 7/154:38 pmRAP - SEA
1 stop9h 05mAmerican Airlines
Deal found 4/17$351
This Mytrip deal was found by Cheapflights users on 4/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/16:00 amSEA - RAP
2 stops30h 42mMultiple Airlines
Sun 6/810:04 pmRAP - SEA
1 stop27h 06mMultiple Airlines
Deal found 4/17$367
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/76:05 amSEA - RAP
1 stop8h 59mDelta
Tue 8/1910:40 amRAP - SEA
1 stop6h 34mDelta
Deal found 4/16$401
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Tue 7/112:40 pmSEA - RAP
2 stops8h 20mUnited Airlines
Tue 7/155:59 pmRAP - SEA
1 stop6h 00mUnited Airlines
Deal found 4/17$436

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle 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 17, 2025.
Use the filters below to find and compare flights from Seattle to Rapid City that are best for you.

Fly from

Seattle

Fly to

Rapid City

Route

Depart

Return

Price

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Thu 7/3

11:59 pm-4:33 pm

1 stop15h 34m

Rapid City

Mon 7/7

5:21 pm-12:19 pm

1 stop19h 58m

$345

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

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Sun 6/1

6:00 am-1:42 pm

2 stops30h 42m

Rapid City

Sun 6/8

10:04 pm-12:10 am

1 stop27h 06m

$367

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Sat 5/10

1:30 pm-10:34 pm

2 stops8h 04m

Rapid City

Thu 5/15

4:25 pm-11:59 pm

2 stops8h 34m

$411

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Tue 7/1

12:40 pm-10:00 pm

2 stops8h 20m

Rapid City

Tue 7/15

5:59 pm-10:59 pm

1 stop6h 00m

$436

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Wed 6/25

3:58 pm-9:12 pm

1 stop28h 14m

$202

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Sun 5/18

1:10 am-11:59 am

1 stop9h 49m

$206

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Wed 5/14

9:00 am-8:26 pm

2 stops10h 26m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Compare providers for flights from Seattle to Rapid City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Rapid City in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Rapid City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Rapid City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Rapid City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Rapid City flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Rapid City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Rapid City

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

How far ahead should I book a flight from Seattle to Rapid City?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Rapid City. Price data was last updated on April 11, 2025.

The price you pay for your flight from Seattle to Rapid City may vary depending on when you book. For the best chance of a lower fare, look to book 33 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Seattle to Rapid City?

Currently, January is the cheapest month in which you can book a flight from Seattle to Rapid City (average of $348). Flying from Seattle 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 SEA to RAP?

Find hourly flight availability from Seattle 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 17, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 22% on flights from Seattle to Rapid City by exploring options for tickets in the evening.

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 17, 2025.
Delta
8.0
Very good
7,916 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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
8,667 reviews
Delta
8.0
Very good
7,916 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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
7,916 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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
7,916 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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 Seattle 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 are the cheapest airlines flying from Seattle to Rapid City round-trip?

    According to our current data, Sun Country Air ($300), American Airlines ($351), and Delta ($401) offers the cheapest pricing from Seattle to Rapid City. Sun Country Air is priced at 46% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Rapid City one-way?

    $203 is the cheapest one-way deal found within the past few days, from Sun Country Air. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $236 and $241, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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 Seattle to Rapid City?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Rapid City (average of $348). Flying from Seattle 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
Deadwood
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Top 4 airlines flying from Seattle to Rapid City

Discover the top 4 airlines that operate flights from Seattle 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$531FlexibilityNo cancel feeOn-time71%
DeltaCheapest$258Average$378FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$293Average$350FlexibilityNo cancel feeOn-time83%
United AirlinesCheapest$358Average$609FlexibilityNo cancel feeOn-time69%

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