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Rapid City

$191+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — RAP
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
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 66 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

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 October 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:01 amSEA - RAP
1 stop9h 28mMultiple Airlines
Fri 12/57:35 pmRAP - SEA
1 stop22h 01mMultiple Airlines
Deal found 10/26$228
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/121:37 pmSEA - RAP
2 stops30h 17mMultiple Airlines
Sat 11/157:16 pmRAP - SEA
1 stop14h 02mMultiple Airlines
Deal found 10/26$235
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:58 pmSEA - RAP
2 stops18h 56mMultiple Airlines
Sat 11/157:16 pmRAP - SEA
1 stop14h 02mMultiple Airlines
Deal found 10/26$251
This Delta deal was found by Cheapflights users on 10/26. 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 12/66:00 amSEA - RAP
1 stop7h 09mDelta
Mon 12/154:25 pmRAP - SEA
1 stop8h 59mDelta
Deal found 10/26$259
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/72:25 pmSEA - RAP
2 stops27h 20mMultiple Airlines
Thu 12/1110:19 pmRAP - SEA
1 stop12h 47mMultiple Airlines
Deal found 10/26$260
This Delta deal was found by Cheapflights users on 10/26. 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 12/611:55 pmSEA - RAP
1 stop9h 27mDelta
Fri 12/126:05 amRAP - SEA
2 stops13h 31mDelta
Deal found 10/26$264
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/911:35 amSEA - RAP
1 stop8h 19mMultiple Airlines
Sat 11/157:16 pmRAP - SEA
1 stop14h 02mMultiple Airlines
Deal found 10/26$268
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/135:05 amSEA - RAP
1 stop6h 35mUnited Airlines
Wed 11/195:15 amRAP - SEA
1 stop6h 20mUnited Airlines
Deal found 10/27$274
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/911:35 amSEA - RAP
1 stop8h 19mMultiple Airlines
Thu 11/139:44 pmRAP - SEA
1 stop21h 48mMultiple Airlines
Deal found 10/26$277
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/911:35 amSEA - RAP
1 stop8h 19mMultiple Airlines
Fri 11/149:44 amRAP - SEA
1 stop23h 34mMultiple Airlines
Deal found 10/26$278

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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$228
(Kiwi.com)

One-way from

$191
(Delta)

Popular in

October

Cheapest in

January

Average price

$661
Provider with most accurate pricing for Seattle/Tacoma Intl-Rapid City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Rapid City flights.
Search Deals
From Seattle/Tacoma Intl to Rapid City
Search Deals
One-way flight from Seattle/Tacoma Intl to Rapid City
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($89 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 28, 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

Fri 12/12

11:59 pm-10:20 am

1 stop9h 21m

Rapid City

Sat 12/13

2:51 pm-8:38 pm

1 stop6h 47m

$259

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Sat 12/6

6:00 am-2:09 pm

1 stop7h 09m

Rapid City

Tue 12/16

6:05 am-12:58 pm

1 stop7h 53m

$259

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Wed 12/10

11:55 pm-10:22 am

1 stop9h 27m

Rapid City

Wed 12/17

11:02 am-5:00 pm

1 stop6h 58m

$259

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Mon 12/8

11:59 pm-10:22 am

1 stop9h 23m

Rapid City

Sun 12/14

2:51 pm-8:35 pm

1 stop6h 44m

$259

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Thu 12/11

1:45 pm-10:46 pm

1 stop8h 01m

Rapid City

Tue 12/16

6:05 am-12:58 pm

1 stop7h 53m

$259

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Tue 12/2

11:59 pm-10:22 am

1 stop9h 23m

Rapid City

Sat 12/6

6:05 am-4:54 pm

2 stops11h 49m

$264

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Thu 12/4

1:47 pm-10:46 pm

1 stop7h 59m

Rapid City

Tue 12/9

2:51 pm-11:25 pm

2 stops9h 34m

$264

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Tue 12/9

6:00 am-3:45 pm

1 stop8h 45m

Rapid City

Tue 12/16

2:51 pm-11:25 pm

2 stops9h 34m

$264

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Mon 12/8

11:59 pm-10:22 am

1 stop9h 23m

Rapid City

Tue 12/16

2:51 pm-11:25 pm

2 stops9h 34m

$264

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Fri 12/5

11:15 am-10:46 pm

2 stops10h 31m

Rapid City

Mon 12/8

6:05 am-4:54 pm

2 stops11h 49m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 18 results
1
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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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Rapid City flight deals on Cheapflights vs. eDreams >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 October 24, 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 46 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, June is the cheapest month in which you can book a flight from Seattle to Rapid City (average of $240). Flying from Seattle to Rapid City in December is currently the most expensive (average of $459). 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 October 28, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 21% on flights from Seattle to Rapid City by exploring options for tickets in the evening.

How much does it cost to fly round-trip from Seattle to Rapid City?

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 October 28, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Seattle to Rapid City by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,996 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,034 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Sun Country Air
6.9
Okay
335 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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.

  • How long is the flight from Seattle to Rapid City?

    There are many flights that can get you from Seattle to Rapid City in 9h 21m. Fly via Delta to get the fastest option. The distance between Seattle and Rapid City is about 954 mi.

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

    According to our current data, Sun Country Air ($137), American Airlines ($258), and Delta ($258) offers the cheapest pricing from Seattle to Rapid City. Sun Country Air is priced at 72% lower than the current average price of a flight leaving 3 months from now.

  • 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, June is the cheapest month in which you can book a flight from Seattle to Rapid City (average of $240). Flying from Seattle to Rapid City in December is currently the most expensive (average of $459). 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 Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Deadwood
Keystone
Sturgis
Spearfish

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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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$137Average$443FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$258Average$367FlexibilityNo cancel feeOn-time71%
DeltaCheapest$258Average$353FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$334Average$511FlexibilityNo cancel feeOn-time69%

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