A lake surrounded by green grass and trees.

Cheap Flights to Lake County from $57

View $57 flight on Fri, Oct 16, 2026Opens in a new window

Popular airlines to Lake County

  • American Airlines

  • United

  • Delta

  • Alaska Airlines

  • Allegiant Air

  • Frontier Airlines

  • Lufthansa

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How much is the cheapest flight to Lake County?

Prices were available within the past 7 days and start at $57 for one-way flights and $94 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Allegiant Air
Allegiant Air
Allegiant Air
Allegiant Air
Allegiant Air
Allegiant Air
Frontier Airlines
American Airlines
United
Delta

Airports in Lake County

Prices were available within the past 7 days. Prices and availability are subject to change.

Trending flights to Lake County

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.

Allegiant Air

Frequently asked questions

How do I find cheap flights to Lake County that have flexible change policies?
At Expedia, we've been channeling our inner yoga master to give you the most flexible airfares around. Just check the "No change fee" box right under the filter heading "Flexible change policies" to find your perfect flight to Lake County.
Which airlines fly to Lake County?
Settle on your vacation dates and then make your way towards Lake County with one of these major airlines:
  • United Airlines - 182 flights to or near Lake County each month, including 182 flights to Sioux Falls Regional Airport (FSD) per month.
  • Delta Air Lines - 164 flights to or near Lake County each month, including 164 flights to Sioux Falls Regional Airport (FSD) per month.
  • American Airlines - 151 flights to or near Lake County each month, including 151 flights to Sioux Falls Regional Airport (FSD) per month.
How can I find cheap tickets to Lake County?
One of the easiest ways to find cheap tickets to Lake County is to be flexible with your travel dates. Search for your flights, then click "flexible dates" at the top of your results. It'll reveal the cheapest prices for nearby days. The lowest price for a flight to Lake County in the last seven days was $94. Booking well ahead will generally help you walk away with an even better deal.
How much is a flight to Lake County?
If you were journeying one way from Las Vegas (LAS), you could've picked up a low-cost fare for just $57 in the last seven days. Round-trip journeys to Lake County ranged from $94 to $279 over the same period.
What are the most popular airports to fly into in Lake County?
Start planning your Lake County escape by reserving one of the 598 monthly flights to Sioux Falls Regional Airport (FSD). This is the region's main point of entry.
When is the cheapest time to fly to Lake County?
Jet off on a Tuesday to better your chances of bagging the cheapest airfare to Lake County. Mondays are usually the next most affordable day to depart. Saturday is generally the most expensive day to fly anywhere.
How much is a plane ticket to Lake County?
In the last seven days, plane tickets varied between $94 and $279. Check out our awesome deals to Lake County, make a booking and then start packing your bags.
What months are the cheapest to book a flight to Lake County?
To secure a low-cost flight to Lake County, book during the month of February when the prices are at their cheapest. The most expensive time to book? In the United States, it's the festive month of December.
How long is a flight to Lake County?
It depends on where in the States you're traveling from. These leading domestic routes and their average flight times will give you a clearer idea of how long it'll take to get to Lake County:
  • Chicago, IL (ORD-OHare Intl.) to Sioux Falls Regional Airport (FSD) - 1 hour and 43 minutes
  • Minneapolis, MN (MSP-Minneapolis - St. Paul Intl.) to Sioux Falls Regional Airport (FSD) - 1 hour and 15 minutes
  • Denver, CO (DEN-Denver Intl.) to Sioux Falls Regional Airport (FSD) - 1 hour and 35 minutes
What is the best time to go to Lake County?
Madison, Lake County's leading city, is a fabulous location to check out at anytime. Not a big fan of cooler weather? Then travel here from June 20 onward during the summer months, when average temperatures fluctuate from 60ºF to 80ºF. March, April and September is when Madison draws the biggest crowds.

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Travel information

*Flight schedules are subject to change.

*Available to One Key members.

*Flight schedules are subject to change.

*Available to One Key members.