$28 Cheap Flights to Round Lake, IL

View $28 flight on Tue, Jun 9, 2026Opens in a new window

Popular airlines to Round Lake

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How much is the cheapest flight to Round Lake?

Prices were available within the past 7 days and start at $28 for one-way flights and $82 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Jun 9 - Sat, Jun 20
DFW
Dallas
ORD
Chicago
$82 Roundtrip, just found
$82
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Jun 9 from Dallas to Chicago, returning Sat, Jun 20, priced at $82 just found
Spirit Airlines
Wed, May 13 - Tue, May 19
DFW
Dallas
ORD
Chicago
$107 Roundtrip, just found
$107
Roundtrip
just found
Select Spirit Airlines flight, departing Wed, May 13 from Dallas to Chicago, returning Tue, May 19, priced at $107 just found
American Airlines
Tue, May 12 - Wed, May 20
LGA
New York
ORD
Chicago
$129 Roundtrip, just found
$129
Roundtrip
just found
Select American Airlines flight, departing Tue, May 12 from New York to Chicago, returning Wed, May 20, priced at $129 just found
Southwest Airlines
Wed, May 27 - Tue, Jun 2
DAL
Dallas
ORD
Chicago
$160 Roundtrip, found 1 hour ago
$160
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Wed, May 27 from Dallas to Chicago, returning Tue, Jun 2, priced at $160 found 1 hour ago
Delta
Fri, Jul 3 - Sun, Jul 5
LGA
New York
ORD
Chicago
$177 Roundtrip, just found
$177
Roundtrip
just found
Select Delta flight, departing Fri, Jul 3 from New York to Chicago, returning Sun, Jul 5, priced at $177 just found

Alternative airports near Round Lake

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

Select flight to O'Hare Intl. ORD. Cheapest option available. Average driving time to city center is 49 minutes. Flights from $180
ORD
O'Hare Intl.
Cheapest
Average driving time to city center49 min
Flights from $180

Frequently asked questions

What month is the cheapest to fly to Round Lake?
The cheapest month to fly to Round Lake is June when there's less demand. Off-peak months are typically when you'll find cheap flights. To keep costs down, avoid flying during school breaks and public holidays.
Which US cities have the cheapest flights to Round Lake?
New York, Washington and Dallas generally have cheap flights to Round Lake. Bear in mind that prices vary based on factors such as time of year, demand and number of stopovers.
Which US cities fly direct to Round Lake?
You can fly to Round Lake directly from 150 US destinations. To find a nonstop journey, use the "Direct flights only" filter when organizing your flights to Round Lake on Expedia. Then, explore the options and find the best departure from one of these cities:

  • New York
  • Washington
  • Dallas
  • Boston
  • Phoenix

How to find a cheap flight to Round Lake?
Jetting off in the low season and booking ahead of time are two great ways to snag cheap flights to Round Lake. Or, consider flying on a Thursday, which, on average, is 16% cheaper than leaving on a Sunday.* Want to be the first to know when fares fall? Set up price tracking on the Expedia app for real-time updates.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Round Lake?
It's possible to get great deals on last-minute flights to Round Lake, especially if your travel plans aren't set in stone. Think about jetting out of a different hub, tweaking your trip dates or choosing an alternative airline to get a cheap flight to Round Lake.
How far in advance should I book a flight to Round Lake?
Find the departure dates you want and a fare that fits your budget by booking your domestic flight to Round Lake up to 28 days in advance. Lock in tickets between two and four months ahead if you're visiting Round Lake from an international destination.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Round Lake?
You can generally get cheap flights to Round Lake on a Sunday. You'll save about 8% on average compared to those who book on a Friday, which is often the most expensive day to purchase tickets.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Round Lake?
A total of 44 airlines connect 216 airports all over the world to Round Lake. Here are some of the top airlines to Round Lake, where O'Hare Intl. Airport (ORD) is the major gateway:

  • United Airlines
  • American Airlines
  • Delta Air Lines
  • Alaska Airlines

Where do you fly into Round Lake?
If you're flying to Round Lake, the main airport to land at is O'Hare Intl. Airport (ORD). You can also jet into nearby hubs like General Mitchell Intl. Airport (MKE), Midway Intl. Airport (MDW) or Lewis University Airport (LOT). Another possibility worth considering when you fly to Round Lake is Waukegan Regional Airport (UGN).
How far is the airport from central Round Lake?
You'll be approximately 30 mi south of central Round Lake after touching down at O'Hare Intl. Airport (ORD).
Can I save money by booking a Round Lake trip package?
Book a Round Lake flight and hotel package deal on Expedia, and you can enjoy significant savings. It's easy to bundle your accommodations and flights, and you can even add car rentals and activities to create your own personalized Round Lake break. Plus, nothing beats the convenience of booking everything in the same place.
Can I change or cancel my flight to Round Lake?
You can often change or cancel your flight to Round Lake within 24 hours of booking. However, be mindful that some fares are non-refundable. In those cases, you may receive a credit toward a future trip rather than a direct refund. It's important to check the airline's rules and restrictions in your itinerary for exact details. You can use Expedia's "No cancel fee" or "Changes included" filters when you search to secure cheap flights to Round Lake with flexible change policies. For additional information, browse our Customer Service Portal.

*Flight schedules are subject to change.

*Available to One Key members.

 

Travel information

Destination airport
O'Hare Intl.
Destination airport IATA code
ORD
Destination city name
Chicago
Roundtrip price
$82

Trending flights to Round Lake

Prices were available within the past 7 days and start at $28 for one-way flights and $82 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Jun 9 - Sat, Jun 20
DFW
Dallas
ORD
Chicago
$82 Roundtrip, just found
$82
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Jun 9 from Dallas to Chicago, returning Sat, Jun 20, priced at $82 just found

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