Cheap Flights to Lake County from $19 (2026/2027)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Jet to one of Lake County's top cities

A beach with waves and two people standing on the shore.

Merrillville

Flights
Merrillville

How Much Does it Cost To Fly To Lake County?

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Tue, Nov 3 - Tue, Nov 10
DEN
Denver Intl.
ORD
O'Hare Intl.
$40 Roundtrip, just found
$40
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Nov 3 from Denver Intl. to O'Hare Intl., returning Tue, Nov 10, priced at $40 just found
Tue, Oct 27 - Wed, Oct 28
ATL
Hartsfield-Jackson Atlanta Intl.
ORD
O'Hare Intl.
$40 Roundtrip, just found
$40
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Oct 27 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Wed, Oct 28, priced at $40 just found
Tue, Dec 22 - Tue, Dec 29
PHL
Philadelphia Intl.
ORD
O'Hare Intl.
$54 Roundtrip, found 3 hours ago
$54
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Tue, Dec 22 from Philadelphia Intl. to O'Hare Intl., returning Tue, Dec 29, priced at $54 found 3 hours ago
Thu, Oct 29 - Thu, Nov 5
BWI
Baltimore Washington Intl. Thurgood Marshall
ORD
O'Hare Intl.
$54 Roundtrip, just found
$54
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Oct 29 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Nov 5, priced at $54 just found
Sat, Oct 31 - Thu, Nov 5
IAH
George Bush Intercontinental
ORD
O'Hare Intl.
$61 Roundtrip, just found
$61
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Oct 31 from George Bush Intercontinental to O'Hare Intl., returning Thu, Nov 5, priced at $61 just found
Thu, Oct 29 - Wed, Nov 4
ATL
Hartsfield-Jackson Atlanta Intl.
MDW
Midway Intl.
$64 Roundtrip, just found
$64
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Oct 29 from Hartsfield-Jackson Atlanta Intl. to Midway Intl., returning Wed, Nov 4, priced at $64 just found
Tue, Dec 8 - Tue, Dec 15
MCO
Orlando Intl.
ORD
O'Hare Intl.
$68 Roundtrip, just found
$68
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Dec 8 from Orlando Intl. to O'Hare Intl., returning Tue, Dec 15, priced at $68 just found
Thu, Oct 29 - Tue, Nov 3
DFW
Dallas-Fort Worth Intl.
MDW
Midway Intl.
$68 Roundtrip, just found
$68
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Oct 29 from Dallas-Fort Worth Intl. to Midway Intl., returning Tue, Nov 3, priced at $68 just found
OriginDestinationTravel DatesFlights From*
LAXChicagoNovember 14 to November 23$141
LAXChicagoOctober 27 to October 30$144
FCOChicagoNovember 14 to November 23$607
HKGChicagoNovember 18 to April 28$806
FCOChicagoNovember 22 to January 14$882
HKGChicagoDecember 23 to February 1$915
PVGChicagoDecember 3 to May 12$927
CANChicagoNovember 12 to November 26$965
PEKChicagoNovember 22 to April 4$1,035
FOCChicagoNovember 9 to November 13$1,082
XIYChicagoNovember 11 to November 24$1,120
SZXChicagoOctober 22 to October 27$1,271
CTUChicagoDecember 26 to December 31$1,325
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
LAXChicagoOctober 10 to October 13$242
LAXChicagoOctober 10 to October 13$242
FCOChicagoOctober 9 to October 23$924
HKGChicagoOctober 11 to October 18$988
XIYChicagoOctober 10 to November 10$1,153
PVGChicagoOctober 10 to December 6$1,196
TFUChicagoOctober 11 to October 18$1,411
FOCChicagoOctober 9 to October 16$1,503
CANChicagoOctober 10 to October 12$1,528
PEKChicagoOctober 11 to October 12$1,765
*Prices include taxes and fees

Best Lake County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Hotel Riu Plaza Chicago
4.0-star property

Hotel Riu Plaza Chicago

Oct 29 - Nov 2

4 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $1,203, price is now $781 per person
$781
per person
found 1 day ago
Four Seasons Hotel Chicago
5.0-star property

Four Seasons Hotel Chicago

Dec 23 - Dec 26

3 night stay

Atlanta (ATL) to Chicago (ORD)

American Airlines • Coach

Chicago (ORD) to Atlanta (ATL)

Frontier Airlines • Coach
Save 100% on your flight
Price was $1,341, price is now $791 per person
$791
per person
found 1 day ago
Trump International Hotel & Tower Chicago
5.0-star property

Trump International Hotel & Tower Chicago

Nov 4 - Nov 8

4 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $1,894, price is now $1,233 per person
$1,233
per person
found 1 day ago
Don't see what you're looking for?
See all available trips from Atlanta to Lake County
View all trips

Travelers ❤️ These Lake County 🏨

Congress Plaza Hotel

Congress Plaza Hotel

3.5 out of 5
520 South Michigan Avenue Chicago IL
Book a stay at this business-friendly hotel in Chicago. Enjoy 2 restaurants, 2 bars/lounges, and breakfast (surcharge). Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Grant Park and Millennium Park are located nearby.
8/10 Very Good! (10,200 reviews)
"Place is just a little dated. Room didn't have climate control really and blasted heat making it a bit uncomfortable. Some furnishings in the common area and bathroom were certainly dated. Place was a bit weird overall but did the job location wise."

Reviewed on Oct 7, 2026

Opens in a new windowCongress Plaza Hotel
River Hotel

River Hotel

4 out of 5
75 East Wacker Drive Chicago IL
Book a stay at this business-friendly hotel in Chicago. Enjoy free WiFi, room service, and a fitness center. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Chicago Riverwalk and Michigan Avenue are located nearby.
Opens in a new windowRiver Hotel
The Chicago Hotel Collection Ambassador Gold Coast

The Chicago Hotel Collection Ambassador Gold Coast

4 out of 5
1301 N State Pkwy Chicago IL
Book a stay at this business-friendly hotel in Chicago. Enjoy free WiFi, a 24-hour fitness center, and valet parking (surcharge). Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Michigan Avenue and Chicago Riverwalk are located nearby.
8/10 Very Good! (2,433 reviews)
"Probably won’t ever stay here again. But it’s close to the lake which is nice."

Reviewed on Oct 7, 2026

Opens in a new windowThe Chicago Hotel Collection Ambassador Gold Coast
Save an average of 15% on thousands of hotels when you're signed in
Sign in
Sign up, it's free
The Chicago Hotel Collection - Magnificent Mile

The Chicago Hotel Collection - Magnificent Mile

4 out of 5
166 E Superior Street Chicago IL
Book a stay at this boutique hotel in Chicago. Enjoy free WiFi, 2 restaurants, and 2 bars/lounges. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Michigan Avenue and Chicago Riverwalk are located nearby.
Opens in a new windowThe Chicago Hotel Collection - Magnificent Mile
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

How much is the cheapest flight to Lake County?
Some travelers snapped up a roundtrip flight to Lake County for as little as $40 over the last seven days. If you find a bargain, grab it quickly. Cheap deals don't last forever! This price was available on Travelocity for flights to Lake County departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly to Lake County?
According to Travelocity's direct return flight demand from January to December last year, November is the cheapest time to jet off to Lake County. Search for flights throughout this month and bag an amazing bargain today.
How can I check my flight status to Lake County?
Get alerts about your flight status and gate numbers with Trips. Travelocity's handy customer portal is located at the top of our homepage and is where you can view and manage your bookings. Create a free account easily and quickly and you're ready to go. Or, download the Travelocity app and see the details of your flight to Lake County while you're out and about — and even when you're offline. The app can help with all your booking needs. Whether you want to add transportation from your airport or share details with any members of your family flying with you, it's all possible through the app.
How do I find the best deals on flights to Lake County?
A simple way to snag a bargain is to be flexible with your travel dates. Begin by searching for your flight to Lake County, then click on "Flexible dates" above your results. This will reveal any cheaper prices for nearby dates. Another tip? Book ahead of time. To give you an idea of costs, $40 was the cheapest price for a return flight to Lake County in the last seven days on our site. This price was available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Why should I book my flight to Lake County with Travelocity?
Start packing now and get set to take off with Travelocity. It's our job to track down the best deals on cheap flights to Lake County. Whether you're chasing airfares with flexible cancellation policies or cheap family flights from low-cost carriers, we'll make it happen.
What are the most popular flight routes to Lake County?
If you have plans to book a flight to Lake County, here are some well-known routes you can take:

  • Denver, CO (DEN-Denver Intl.) to O'Hare Intl. Airport (ORD) - 4,203 flights a month.
  • Minneapolis, MN (MSP-Minneapolis - St. Paul Intl.) to O'Hare Intl. Airport (ORD) - 4,155 flights a month.
  • New York, NY (LGA-LaGuardia) to O'Hare Intl. Airport (ORD) - 4,138 flights a month.

How much is a flight to Lake County on average?
Based on prices found over the last seven days, roundtrip flights to Lake County were between $40 and $1,765. When you're ready to go, Travelocity will help you find a fare that'll suit your budget. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
How long is the average flight to Lake County?
The duration of a direct flight to Lake County varies, but here you can check out the average journey times for several major routes:

  • Denver, CO (DEN-Denver Intl.) to O'Hare Intl. Airport (ORD) - 2 hours and 29 minutes
  • Minneapolis, MN (MSP-Minneapolis - St. Paul Intl.) to O'Hare Intl. Airport (ORD) - 2 hours and 20 minutes
  • New York, NY (LGA-LaGuardia) to O'Hare Intl. Airport (ORD) - 2 hours and 41 minutes

What can I expect on a flight to Lake County?
If you've booked a long-haul flight to Lake County, you can usually expect meals, drinks and entertainment on board. Airlines try to make longer flights as pleasant as possible. Brief journeys — as well as flights with budget airlines — may not have such inclusions. If you're searching for cheap flights for family vacations with a low-cost carrier, you may have to pay extra for things like snacks and drinks.