Cheap Flights to South Dakota from ₩714,800

View ₩714,800 flight on Thu, Jan 29, 2026Opens in a new window

Popular airlines to South Dakota

  • United

    United

  • American Airlines

    American Airlines

  • Delta

    Delta

  • Frontier Airlines

    Frontier Airlines

  • KLM

    KLM

  • Alaska Airlines

    Alaska Airlines

  • WestJet

    WestJet

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

How much is the cheapest flight to South Dakota?

Prices were available within the past 7 days and start at ₩714,800 for one-way flights and ₩972,900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Jan 29 - Fri, Feb 27
ICN
Seoul
RAP
Rapid City
₩972,900 Roundtrip, found 23 hours ago
₩972,900
Roundtrip
found 23 hours ago
Select United flight, departing Thu, Jan 29 from Seoul to Rapid City, returning Fri, Feb 27, priced at ₩972,900 found 23 hours ago
United
Wed, Dec 24 - Sat, Jan 3
ICN
Seoul
SUX
Sioux City
₩1,047,600 Roundtrip, found 5 days ago
₩1,047,600
Roundtrip
found 5 days ago
Select United flight, departing Wed, Dec 24 from Seoul to Sioux City, returning Sat, Jan 3, priced at ₩1,047,600 found 5 days ago
United
Thu, Jan 29 - Sat, Feb 28
ICN
Seoul
RAP
Rapid City
₩1,047,900 Roundtrip, found 23 hours ago
₩1,047,900
Roundtrip
found 23 hours ago
Select United flight, departing Thu, Jan 29 from Seoul to Rapid City, returning Sat, Feb 28, priced at ₩1,047,900 found 23 hours ago
United
Wed, Dec 24 - Wed, Dec 31
ICN
Seoul
SUX
Sioux City
₩1,172,600 Roundtrip, found 5 days ago
₩1,172,600
Roundtrip
found 5 days ago
Select United flight, departing Wed, Dec 24 from Seoul to Sioux City, returning Wed, Dec 31, priced at ₩1,172,600 found 5 days ago
United
Thu, Jan 29 - Tue, Feb 24
ICN
Seoul
RAP
Rapid City
₩1,172,900 Roundtrip, found 23 hours ago
₩1,172,900
Roundtrip
found 23 hours ago
Select United flight, departing Thu, Jan 29 from Seoul to Rapid City, returning Tue, Feb 24, priced at ₩1,172,900 found 23 hours ago
United
Thu, Dec 25 - Sat, Jan 3
ICN
Seoul
SUX
Sioux City
₩1,247,600 Roundtrip, found 5 days ago
₩1,247,600
Roundtrip
found 5 days ago
Select United flight, departing Thu, Dec 25 from Seoul to Sioux City, returning Sat, Jan 3, priced at ₩1,247,600 found 5 days ago
Jeju Air
Mon, Dec 22 - Sat, Jan 3
ICN
Seoul
SUX
Sioux City
₩1,366,400 Roundtrip, found 5 days ago
₩1,366,400
Roundtrip
found 5 days ago
Select Jeju Air flight, departing Mon, Dec 22 from Seoul to Sioux City, returning Sat, Jan 3, priced at ₩1,366,400 found 5 days ago
American Airlines
Fri, Dec 26 - Tue, Dec 30
ICN
Seoul
FSD
Sioux Falls
₩1,496,400 Roundtrip, found 5 days ago
₩1,496,400
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Dec 26 from Seoul to Sioux Falls, returning Tue, Dec 30, priced at ₩1,496,400 found 5 days ago
Delta
Thu, Jan 29 - Thu, Feb 5
LHR
London
RAP
Rapid City
₩1,721,400 Roundtrip, found 16 hours ago
₩1,721,400
Roundtrip
found 16 hours ago
Select Delta flight, departing Thu, Jan 29 from London to Rapid City, returning Thu, Feb 5, priced at ₩1,721,400 found 16 hours ago
Virgin Atlantic
Thu, Jan 29 - Thu, Feb 5
LHR
London
RAP
Rapid City
₩1,729,200 Roundtrip, found 16 hours ago
₩1,729,200
Roundtrip
found 16 hours ago
Select Virgin Atlantic flight, departing Thu, Jan 29 from London to Rapid City, returning Thu, Feb 5, priced at ₩1,729,200 found 16 hours ago

About South Dakota

Expedia offers flights to South Dakota to meet every traveler's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to South Dakota or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

Frequently asked questions

How do I find cheap flights to South Dakota that have flexible change policies?
It's quick and easy with Expedia. Firstly, enter your preferred dates and destination and hit "Search." Next step? Check the "No change fee" box underneath the "Flexible change policies" filter to the left of the screen. Step 3. Score a cheap and flexible flight to South Dakota.
Which airlines fly to South Dakota?
Lock in your seat with any of these popular airlines and get ready for new adventures in South Dakota:

  • American Airlines - 338 flights to or near South Dakota each month, including 186 flights to Rapid City Regional Airport (RAP) and 151 flights to Sioux Falls Regional Airport (FSD) per month.
  • United Airlines - 338 flights to or near South Dakota each month, including 182 flights to Sioux Falls Regional Airport (FSD) and 156 flights to Rapid City Regional Airport (RAP) per month.
  • Delta Air Lines - 251 flights to or near South Dakota each month, including 164 flights to Sioux Falls Regional Airport (FSD) and 86 flights to Rapid City Regional Airport (RAP) per month.

How can I find cheap tickets to South Dakota?
In the last seven days, ₩972,900 was the lowest price for a flight to South Dakota. If you're eager to save even more, book in advance and be flexible with your travel dates. Search for your journey to South Dakota, then compare prices for similar time frames by clicking on the "flexible dates" link above.
How much is a flight to South Dakota?
If you were journeying one way from Seoul (ICN), you could've locked in a bargain fare for ₩714,800 in the last seven days. Round-trip journeys to South Dakota ranged from ₩972,900 to ₩2,186,600 over the same period.
What are the most popular airports to fly into in South Dakota?
You're not starved for choice in South Dakota. Once you've decided your final destination in the region, picking one of these main airports will be easy:

  • Sioux Falls Regional Airport (FSD) - 598 flights per month.
  • Rapid City Regional Airport (RAP) - 451 flights per month.
  • Pierre Regional Airport (PIR) - 52 flights per month.

When is the cheapest time to fly to South Dakota?
Consider traveling early in the week to get the best deal to South Dakota. Tuesday is generally the most economical day to depart, followed by Monday. Saturday often has the highest prices. This is because a lot of travelers like to kick off their getaway on a weekend.
How much is a plane ticket to South Dakota?
In the last seven days, seats to South Dakota varied between ₩972,900 and ₩2,186,600. Prices usually rise as your travel date nears, so snap up a great deal today.
What is the best time to go to South Dakota?
Sioux Falls, South Dakota's most populated city, is a fabulous place to explore at anytime. Not into the cold? Then travel here from June 20 onward in summer, when average temperatures vary from 60ºF to 80ºF. May, July and August is when Sioux Falls is at its busiest.
What months are the cheapest to book a flight to South Dakota?
The most cost-effective month to book a great deal to South Dakota is February, whereas the most expensive is December. Keep clear of this month if you're on a budget.

Trending flights to South Dakota

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Jan 29 - Fri, Feb 27
ICN
Seoul
RAP
Rapid City
₩972,900 Roundtrip, found 23 hours ago
₩972,900
Roundtrip
found 23 hours ago
Select United flight, departing Thu, Jan 29 from Seoul to Rapid City, returning Fri, Feb 27, priced at ₩972,900 found 23 hours ago
*Available to Expedia members.