Cheap Flights to Rock County from ₩461,500

View ₩461,500 flight on Tue, Jun 2, 2026Opens in a new window

Flight 1

Flight 2

Popular airlines to Rock County

  • United

  • American Airlines

  • Delta

  • Alaska Airlines

  • Frontier Airlines

  • Lufthansa

  • WestJet

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

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

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

How much is the cheapest flight to Rock County?

Prices were available within the past 7 days and start at ₩461,500 for one-way flights and ₩887,600 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Jun 2 - Wed, Jun 3
SEA
Seattle
FSD
Sioux Falls
₩887,600 Roundtrip, found 1 day ago
₩887,600
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jun 2 from Seattle to Sioux Falls, returning Wed, Jun 3, priced at ₩887,600 found 1 day ago
American Airlines
Tue, Jun 2 - Wed, Jun 3
SEA
Seattle
FSD
Sioux Falls
₩923,000 Roundtrip, found 1 day ago
₩923,000
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jun 2 from Seattle to Sioux Falls, returning Wed, Jun 3, priced at ₩923,000 found 1 day ago
American Airlines
Tue, Jun 2 - Wed, Jun 3
SEA
Seattle
FSD
Sioux Falls
₩954,100 Roundtrip, found 1 day ago
₩954,100
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jun 2 from Seattle to Sioux Falls, returning Wed, Jun 3, priced at ₩954,100 found 1 day ago
American Airlines
Tue, Jun 2 - Wed, Jun 3
SEA
Seattle
FSD
Sioux Falls
₩985,000 Roundtrip, found 1 day ago
₩985,000
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jun 2 from Seattle to Sioux Falls, returning Wed, Jun 3, priced at ₩985,000 found 1 day ago
American Airlines
Tue, Jun 2 - Wed, Jun 3
SEA
Seattle
FSD
Sioux Falls
₩985,200 Roundtrip, found 1 day ago
₩985,200
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jun 2 from Seattle to Sioux Falls, returning Wed, Jun 3, priced at ₩985,200 found 1 day ago
Delta
Tue, Jun 2 - Wed, Jun 3
SEA
Seattle
FSD
Sioux Falls
₩995,500 Roundtrip, found 1 day ago
₩995,500
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jun 2 from Seattle to Sioux Falls, returning Wed, Jun 3, priced at ₩995,500 found 1 day ago
American Airlines
Tue, Jun 2 - Wed, Jun 3
SEA
Seattle
FSD
Sioux Falls
₩1,007,300 Roundtrip, found 1 day ago
₩1,007,300
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jun 2 from Seattle to Sioux Falls, returning Wed, Jun 3, priced at ₩1,007,300 found 1 day ago
United
Tue, Jun 2 - Wed, Jun 3
SEA
Seattle
FSD
Sioux Falls
₩1,015,200 Roundtrip, found 1 day ago
₩1,015,200
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 2 from Seattle to Sioux Falls, returning Wed, Jun 3, priced at ₩1,015,200 found 1 day ago
Delta
Tue, Jun 2 - Wed, Jun 3
SEA
Seattle
FSD
Sioux Falls
₩1,025,000 Roundtrip, found 1 day ago
₩1,025,000
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jun 2 from Seattle to Sioux Falls, returning Wed, Jun 3, priced at ₩1,025,000 found 1 day ago
Delta
Tue, Jun 2 - Wed, Jun 3
SEA
Seattle
FSD
Sioux Falls
₩1,025,500 Roundtrip, found 1 day ago
₩1,025,500
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jun 2 from Seattle to Sioux Falls, returning Wed, Jun 3, priced at ₩1,025,500 found 1 day ago
United
Tue, Jun 2 - Wed, Jun 3
SEA
Seattle
FSD
Sioux Falls
₩1,038,200 Roundtrip, found 1 day ago
₩1,038,200
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 2 from Seattle to Sioux Falls, returning Wed, Jun 3, priced at ₩1,038,200 found 1 day ago
American Airlines
Tue, Jun 2 - Wed, Jun 3
SEA
Seattle
FSD
Sioux Falls
₩1,038,400 Roundtrip, found 1 day ago
₩1,038,400
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jun 2 from Seattle to Sioux Falls, returning Wed, Jun 3, priced at ₩1,038,400 found 1 day ago
United
Tue, Jun 2 - Wed, Jun 3
SEA
Seattle
FSD
Sioux Falls
₩1,046,100 Roundtrip, found 1 day ago
₩1,046,100
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 2 from Seattle to Sioux Falls, returning Wed, Jun 3, priced at ₩1,046,100 found 1 day ago

Frequently asked questions

How do I find cheap flights to Rock County that have flexible change policies?
When it comes to flying these days, flexibility is key. That's why we have a "No change fee" search function to help you find flexible, affordable tickets to Rock County. It's on the left-hand side of your screen right underneath the "Flexible change policies" heading.
Which airlines fly to Rock County?
Pack your bags, find your passport and select from these quality airlines that fly into or near Rock County:

  • United Airlines - 182 flights to or near Rock County each month, including 182 flights to Sioux Falls Regional Airport (FSD) per month.
  • Delta Air Lines - 164 flights to or near Rock County each month, including 164 flights to Sioux Falls Regional Airport (FSD) per month.
  • American Airlines - 151 flights to or near Rock County each month, including 151 flights to Sioux Falls Regional Airport (FSD) per month.

How can I find cheap tickets to Rock County?
For an amazing deal to Rock County, book well ahead. Also use Expedia's handy "flexible dates" link above your search results. This will list the cheapest prices for nearby days. In the last seven days, ₩887,600 was the best price for a flight to Rock County.
How much is a flight to Rock County?
There were plenty of bargain fares up for grabs in the last seven days, with the cost of a return ticket to Rock County varying between ₩887,600 and ₩1,046,100. Many lucky travelers scored one-way flights from Seattle (SEA) for as low as ₩461,500.
What are the most popular airports to fly into in Rock County?
A major entryway to Rock County, around 598 flights taxi into Sioux Falls Regional Airport (FSD) each month. Find the best deal, book your fare and get set to explore this popular region.
When is the cheapest time to fly to Rock County?
Fly out on a Tuesday to increase your chances of bagging the cheapest airfare to Rock County. Mondays are usually the second most affordable day to depart. Saturday is typically the costliest day to fly anywhere.
How much is a plane ticket to Rock County?
In the last seven days, seats ranged between ₩887,600 and ₩1,046,100. Browse through our awesome deals to Rock County, pick your favorite and then get packing!
What is the best time to go to Rock County?
A good time to check out Luverne is after June 20 when the summer season begins. In Rock County's most populous city, temperatures range from 60ºF to 80ºF during this time — perfect weather for touring around! May, August and October are the most popular months to discover this destination.
What months are the cheapest to book a flight to Rock County?
The cheapest month to score a top deal to Rock County is February, whereas prices rise considerably in December. Keep clear of this month if you're looking to save money.

Book with confidence

About Rock County

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

Explore a world of travel with Expedia

*Available to Expedia members.