$35 Cheap Flights to Crystal Lake, IL

View $35 flight on Wed, Apr 29, 2026Opens in a new window

Popular airlines to Crystal Lake

How much is the cheapest flight to Crystal Lake?

Prices were available within the past 7 days and start at $35 for one-way flights and $79 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Apr 29 - Tue, May 5
DFW
Dallas
ORD
Chicago
$79 Roundtrip, just found
$79
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Apr 29 from Dallas to Chicago, returning Tue, May 5, priced at $79 just found
Spirit Airlines
Tue, May 5 - Sat, May 9
DFW
Dallas
ORD
Chicago
$97 Roundtrip, just found
$97
Roundtrip
just found
Select Spirit Airlines flight, departing Tue, May 5 from Dallas to Chicago, returning Sat, May 9, priced at $97 just found
American Airlines
Tue, Jul 28 - Sat, Aug 1
EWR
New York
ORD
Chicago
$177 Roundtrip, just found
$177
Roundtrip
just found
Select American Airlines flight, departing Tue, Jul 28 from New York to Chicago, returning Sat, Aug 1, priced at $177 just found
Delta
Thu, Aug 20 - Mon, Aug 24
LGA
New York
ORD
Chicago
$177 Roundtrip, just found
$177
Roundtrip
just found
Select Delta flight, departing Thu, Aug 20 from New York to Chicago, returning Mon, Aug 24, priced at $177 just found
United
Sat, Aug 8 - Wed, Aug 12
EWR
New York
ORD
Chicago
$177 Roundtrip, just found
$177
Roundtrip
just found
Select United flight, departing Sat, Aug 8 from New York to Chicago, returning Wed, Aug 12, priced at $177 just found

Alternative airports near Crystal 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 46 minutes. Flights from $297
ORD
O'Hare Intl.
Cheapest
Average driving time to city center46 min
Flights from $297

Frequently asked questions

What month is the cheapest to fly to Crystal Lake?
Plan your trip for April if you want to get a deal on your fare. It's the cheapest month to fly to Crystal Lake. Try to avoid traveling during busy periods such as major public holidays or during big events.
Which US cities have the cheapest flights to Crystal Lake?
Land cheap flights to Crystal Lake from New York, Washington and Dallas. These cities usually offer the lowest fares to this unique destination. But keep in mind that demand, seasonality and stopovers will also impact rates, so remain flexible and book when you spot a bargain.
Which US cities fly direct to Crystal Lake?
Pick from 150 US cities providing direct flights to Crystal Lake. While booking on Expedia, check the "Direct flights only" filter to compare nonstop itineraries. Fly to Crystal Lake from any of these leading cities:

  • New York
  • Washington
  • Dallas
  • Boston
  • Phoenix

How to find a cheap flight to Crystal Lake?
Book early or look for a cheap flight to Crystal Lake during off-peak months like January and February. Jetting off on a Thursday can also save you an average of 16% compared to a Sunday departure.* The Expedia app makes it even easier to know exactly when to book. Just turn on the toggle for "Watch prices" and you'll receive a notification when fares go down.*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 Crystal Lake?
Being flexible about your plans can help you to find last-minute deals on cheap flights to Crystal Lake. To see all the available options, try looking at different ticket types, changing your Crystal Lake trip dates, leaving from an alternative airport or going with another airline.
How far in advance should I book a flight to Crystal Lake?
Lock in your flight to Crystal Lake two to four months ahead if you're jetting in from an international destination. For domestic travel, the usual timeframe is 28 days in advance. Bigger savings and a greater choice of departure dates, schedules and seating options are just some of the awesome benefits of booking early.**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 Crystal Lake?
You'll save an average of 8% if you purchase tickets on a Sunday instead of Fridays, which tend to be the most expensive day to book.* When it comes to scoring a cheap flight to Crystal Lake, timing makes a difference.*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 Crystal Lake?
A total of 44 airlines connect 216 airports across the world to Crystal Lake. Here are a few of the top airlines to Crystal Lake, where O'Hare Intl. Airport (ORD) is the chief entry point:

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

Where do you fly into Crystal Lake?
The main hub when you fly to Crystal Lake is O'Hare Intl. Airport (ORD), but there are other nearby choices like Rockford, IL (RFD-Greater Rockford) and Midway Intl. Airport (MDW). You can also arrive at Lewis University Airport (LOT) and General Mitchell Intl. Airport (MKE) when flying to Crystal Lake.
How far is the airport from central Crystal Lake?
You'll be roughly 30 mi southeast of the center of Crystal Lake after touching down at O'Hare Intl. Airport (ORD).
Can I save money by booking a Crystal Lake trip package?
Book a Crystal Lake flight and hotel package deal on Expedia, and you could benefit from significant savings. It's easy to bundle your flights and accommodations, and you can even add tours and car rentals to create your own personalized Crystal Lake break. Plus, there's nothing like the convenience of booking everything in one place.
Can I change or cancel my flight to Crystal Lake?
If you booked your flight to Crystal Lake within the last 24 hours, you can typically change or cancel it without fees. After that, extra charges may apply depending on the airline's rules and restrictions. To learn more, visit our Customer Service Portal. Keep in mind that some flights are non-refundable, so you may be issued a credit for a future trip rather than a direct refund. When browsing on Expedia, check the "Changes included" or "No cancel fee" filters to see fares with flexible change policies.

*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
$79

Trending flights to Crystal Lake

Prices were available within the past 7 days and start at $35 for one-way flights and $79 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Apr 29 - Tue, May 5
DFW
Dallas
ORD
Chicago
$79 Roundtrip, just found
$79
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Apr 29 from Dallas to Chicago, returning Tue, May 5, priced at $79 just found

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