Cheap Flights to Lake County from $42 (2026/2027)

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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, Sep 1 - Thu, Sep 10
FLL
Fort Lauderdale - Hollywood Intl.
ORD
O'Hare Intl.
$89 Roundtrip, found 4 days ago
$89
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Tue, Sep 1 from Fort Lauderdale - Hollywood Intl. to O'Hare Intl., returning Thu, Sep 10, priced at $89 found 4 days ago
Thu, Aug 20 - Mon, Aug 24
IAH
George Bush Intercontinental
ORD
O'Hare Intl.
$104 Roundtrip, just found
$104
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Aug 20 from George Bush Intercontinental to O'Hare Intl., returning Mon, Aug 24, priced at $104 just found
Thu, Oct 1 - Sat, Oct 3
ATL
Hartsfield-Jackson Atlanta Intl.
MDW
Midway Intl.
$108 Roundtrip, just found
$108
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Oct 1 from Hartsfield-Jackson Atlanta Intl. to Midway Intl., returning Sat, Oct 3, priced at $108 just found
Thu, Sep 24 - Mon, Sep 28
ATL
Hartsfield-Jackson Atlanta Intl.
ORD
O'Hare Intl.
$108 Roundtrip, just found
$108
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Sep 24 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Mon, Sep 28, priced at $108 just found
Sat, Oct 17 - Sat, Oct 31
BWI
Baltimore Washington Intl. Thurgood Marshall
ORD
O'Hare Intl.
$110 Roundtrip, found 2 days ago
$110
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sat, Oct 17 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Sat, Oct 31, priced at $110 found 2 days ago
Wed, Sep 9 - Sat, Sep 12
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$114 Roundtrip, just found
$114
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Sep 9 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Sat, Sep 12, priced at $114 just found
Tue, Sep 1 - Sat, Sep 5
LAX
Los Angeles Intl.
ORD
O'Hare Intl.
$117 Roundtrip, just found
$117
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Sep 1 from Los Angeles Intl. to O'Hare Intl., returning Sat, Sep 5, priced at $117 just found
Thu, Aug 27 - Sat, Aug 29
MCO
Orlando Intl.
ORD
O'Hare Intl.
$129 Roundtrip, just found
$129
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Aug 27 from Orlando Intl. to O'Hare Intl., returning Sat, Aug 29, priced at $129 just found
Thu, Aug 13 - Sat, Aug 15
DFW
Dallas-Fort Worth Intl.
MDW
Midway Intl.
$134 Roundtrip, just found
$134
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Aug 13 from Dallas-Fort Worth Intl. to Midway Intl., returning Sat, Aug 15, priced at $134 just found
OriginDestinationTravel DatesFlights From*
LAXChicagoSeptember 1 to September 5$117
LAXChicagoSeptember 26 to October 3$190
FCOChicagoOctober 9 to October 18$553
HKGChicagoSeptember 9 to September 23$829
CANChicagoSeptember 10 to September 16$926
PEKChicagoSeptember 27 to March 12$1,086
PVGChicagoSeptember 10 to September 16$1,173
PVGChicagoSeptember 7 to March 3$1,196
FOCChicagoOctober 9 to November 8$1,283
XIYChicagoSeptember 21 to October 18$1,342
SZXChicagoJuly 21 to July 25$1,682
CTUChicagoAugust 9 to August 30$1,766
PEKChicagoJuly 30 to August 1$2,484
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
LAXChicagoJuly 10 to July 13$362
LAXChicagoJuly 12 to July 19$421
FCOChicagoJuly 11 to July 20$790
HKGChicagoJuly 12 to July 13$1,236
PVGChicagoJuly 10 to July 29$1,310
PEKChicagoJuly 11 to July 15$1,581
XIYChicagoJuly 10 to July 13$1,979
CTUChicagoJuly 10 to July 26$2,039
*Prices include taxes and fees

Best Lake County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Hampton Inn & Suites Chicago Medical District UIC
2.5-star property

Hampton Inn & Suites Chicago Medical District UIC

Sep 14 - Sep 17

3 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $985, price is now $659 per person
$659
per person
found 1 day ago
Four Seasons Hotel Chicago
5.0-star property

Four Seasons Hotel Chicago

Sep 14 - Sep 17

3 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $2,524, price is now $1,602 per person
$1,602
per person
found 1 day ago
Level Chicago Fulton Market
4.0-star property

Level Chicago Fulton Market

Aug 23 - Aug 27

4 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $1,429, price is now $944 per person
$944
per person
found 1 day ago
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Travelers ❤️ These Lake County 🏨

Omni Chicago Hotel

Omni Chicago Hotel

4.5 out of 5
676 N Michigan Ave Chicago IL
Book a stay at this luxury hotel in Chicago. Enjoy free WiFi, breakfast (surcharge), and a 24-hour fitness center. Our guests praise the breakfast and the helpful staff in our reviews. Popular attractions Michigan Avenue and Chicago Riverwalk are located nearby.
9.2/10 Wonderful! (1,869 reviews)
"Nice esthetically, comfortable, good food, great service, and great people."

Reviewed on Jul 7, 2026

Opens in a new windowOmni Chicago 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.
8.2/10 Very Good! (1,704 reviews)
"It was very nice, staff were amazing and helpful. The room was very clean and they also had easy access to parking."

Reviewed on Jul 7, 2026

Opens in a new windowThe Chicago Hotel Collection Ambassador Gold Coast
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! (10,198 reviews)
"Dated hotel but the rooms are kept clean, updated flooring and really nice bedding. Fantastic location downtown, less than a mile walking distance from Museum Campus."

Reviewed on Jul 7, 2026

Opens in a new windowCongress Plaza Hotel
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Hilton Chicago/Magnificent Mile Suites

Hilton Chicago/Magnificent Mile Suites

3.5 out of 5
198 E Delaware Pl Chicago IL
Book a stay at this business-friendly hotel in Chicago. Enjoy a fitness center, valet parking (surcharge), and a 24-hour front desk. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Michigan Avenue and Chicago Riverwalk are located nearby.
9/10 Wonderful! (4,522 reviews)
"Everyone was beyond friendly. The valet crew was wonderful, shout out to G for amazing customer service. Housekeeping was spotless. We truly felt like VIPs. We'll be back!"

Reviewed on Jul 7, 2026

Opens in a new windowHilton Chicago/Magnificent Mile Suites
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 $89 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, September 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, $89 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 $89 and $2,484. 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.