$28 Cheap Flights to Lake Forest, IL

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

Popular airlines to Lake Forest

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Today's featured flight deals to Lake Forest

Nonstop
Carry-on included
Lower price than typical

How much is the cheapest flight to Lake Forest?

Prices were available within the past 7 days and start at $28 for one-way flights and $56 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Apr 14 - Sat, Apr 18
ATL
Atlanta
ORD
Chicago
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Apr 14 from Atlanta to Chicago, returning Sat, Apr 18, priced at $56 just found
Spirit Airlines
Thu, May 7 - Sat, May 16
EWR
New York
ORD
Chicago
$58 Roundtrip, just found
$58
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, May 7 from New York to Chicago, returning Sat, May 16, priced at $58 just found
Southwest Airlines
Fri, May 8 - Sun, May 10
LGA
New York
MDW
Chicago
$137 Roundtrip, just found
$137
Roundtrip
just found
Select Southwest Airlines flight, departing Fri, May 8 from New York to Chicago, returning Sun, May 10, priced at $137 just found
American Airlines
Tue, Apr 14 - Tue, Apr 28
ATL
Atlanta
RFD
Rockford
$138 Roundtrip, found 1 day ago
$138
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Apr 14 from Atlanta to Rockford, returning Tue, Apr 28, priced at $138 found 1 day ago
United
Fri, May 8 - Sun, May 10
EWR
New York
ORD
Chicago
$157 Roundtrip, just found
$157
Roundtrip
just found
Select United flight, departing Fri, May 8 from New York to Chicago, returning Sun, May 10, priced at $157 just found

Alternative airports near Lake Forest

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

Select flight to O'Hare Intl. ORD. Average driving time to city center is 32 minutes. Flights from $270
ORD
O'Hare Intl.
Average driving time to city center32 min
Flights from $270
Select flight to Midway Intl. MDW. Cheapest option available. Average driving time to city center is 50 minutes. Flights from $214
MDW
Midway Intl.
Cheapest
Average driving time to city center50 min
Flights from $214

Find the cheapest month to fly from Columbus (CMH) to Chicago (ORD)

July is typically the cheapest month to fly

From $77 - $303 per traveler.

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Frequently asked questions

What month is the cheapest to fly to Lake Forest?
September is the cheapest month to fly to Lake Forest, with average fares around $403. Other affordable months include January, February, and April. These months usually see lower demand, which helps keep prices down.*Prices based on flights available on Expedia in the last year.
Which US cities have the cheapest flights to Lake Forest?
These US cities offer the cheapest flights to Lake Forest:

  • Burlington (BRL, BTV)
  • Quincy (UIN)
  • Owensboro (OWB)
  • Kirksville (IRK)
  • Manistee (MBL)

with fares often starting from $39.
Which US cities fly direct to Lake Forest?
Direct flights to airports near Lake Forest are available from these US cities:To O'Hare Intl. (ORD)
  • New York (JFK, LGA)
  • Newark (EWR)
  • Los Angeles (LAX)
  • Dallas (DAL, DFW)
  • Houston (IAH)

To Midway Intl. (MDW)
  • Atlanta (ATL)
  • Dallas (DAL, DFW)
  • Orlando (MCO)
  • Phoenix (PHX)
  • Los Angeles (LAX)

To General Mitchell Intl. (MKE)
  • Chicago (MDW, ORD)
  • Denver (DEN)
  • New York (JFK, LGA)
  • Newark (EWR)
  • Phoenix (PHX)

How to find a cheap flight to Lake Forest?
To find a cheap flight to Lake Forest, be flexible with your dates. Traveling in the off-season or shoulder season can help you save. Mid-week flights are usually less expensive, too. Use flight search engines, like Expedia, to compare airlines, flight times and routes all in one place to find affordable rates. You may find that flights with layovers are cheaper than direct flights. You can also set up Price Tracking and receive alerts when fares go up or down.
Which airlines fly to Lake Forest?
Several airlines offer flights to Lake Forest:

  • American Airlines
  • Delta
  • Frontier Airlines
  • Spirit Airlines
  • United
  • United Airlines
  • Volaris

Where do you fly into Lake Forest?
If you're heading to Lake Forest, you have several airport options:

  • The closest major airport is Chicago, IL (ORD-O'Hare Intl.), about 20 miles from the city center, which is a hub for United, American Airlines, and Delta, with other airlines like Frontier Airlines, Air Canada also operating here.
  • Milwaukee, WI (MKE-General Mitchell Intl.) is another option, about 48 miles away, serving as a hub for United, Delta, and WN, with American Airlines, Alaska Airlines also operating here.
  • Chicago, IL (MDW-Midway Intl.), about 33 miles away, serving as a hub for WN, Delta, and Frontier Airlines, with Volaris, Porter Airlines also operating here.
  • South Bend, IN (SBN-South Bend Intl.), about 112 miles away, serving as a hub for United, American Airlines, and Delta, with MX, OO also operating here.

What is the cheapest airport to fly to in Lake Forest?
The most affordable airport to fly into in Lake Forest is typically Chicago, IL (ORD-O'Hare Intl.), which is about 20 miles from the city center. This airport offers easy access for travelers wanting to enjoy the vibrant city life.*Prices based on flights available on Expedia in the last year.
Which budget airlines fly to Lake Forest?
Looking for affordable flights to Lake Forest? There are 13 budget carriers to choose from, including:

  • Southwest Airlines: serves Chicago (ORD), Chicago (MDW), Milwaukee (MKE)
  • Spirit Airlines: serves Chicago (ORD), Milwaukee (MKE)
  • Frontier Airlines: serves Chicago (ORD), Chicago (MDW), Milwaukee (MKE)
  • Volaris: serves Chicago (ORD), Chicago (MDW)
  • JetBlue Airways: serves Chicago (ORD), Milwaukee (MKE)
  • Viva Aerobus: flies to Chicago (ORD)
  • Sun Country Airlines: serves Chicago (ORD), Milwaukee (MKE)
  • WestJet: serves Chicago (ORD), Chicago (MDW), Milwaukee (MKE), South Bend (SBN)
  • Breeze: flies to South Bend (SBN)
  • Arajet: flies to Chicago (ORD)

What is the best month to visit Lake Forest?
The best times to visit Lake Forest, California, are in spring (March-May) and fall (September-November). These shoulder seasons offer pleasant weather, fewer crowds, and lower accommodation rates, making it ideal for outdoor activities and enjoying the beautiful scenery.
How far in advance should I book a flight to Lake Forest?
For domestic travel to Lake Forest, booking 1-2 months in advance can help you find the best prices. For international flights to Lake Forest, aim to book around 1 month ahead to get cheaper fares. For added peace of mind, use Expedia's Price Drop Protection™ when you make your booking. It's free to use for Gold and Platinum members on the Expedia app. Once a qualifying flight is purchased, we'll automatically check your flight on Expedia until the day of your departure and notify you if there are price changes. If your flight price drops after you book, we'll automatically award the price difference in OneKeyCash™* into your One Key account after your trip ends.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What day of the week is cheapest day to buy a plane ticket to Lake Forest?
Saturday is typically the cheapest day to buy a plane ticket to Lake Forest, averaging about $396. This is advantageous for travelers since Monday tends to be the most expensive day. Use Expedia's Price Tracking tool to monitor prices for your trip and receive alerts when fares go up or down.*Cheapest day to book based on flights available on Expedia in the last year.
What is the most expensive month to fly to Lake Forest?
July is the most expensive month to fly to Lake Forest, with average return ticket prices around $471. This is about 7% higher than the average over the past year, as summer vacations drive up demand. For lower prices, consider traveling in September or February when fares are typically more affordable.*Prices based on flights available on Expedia in the last year.
What public holidays or seasonal events might make flights to Lake Forest more expensive?
If you're considering a trip to Lake Forest, be mindful that major U.S. holidays like Memorial Day, Labor Day, and Thanksgiving can lead to increased flight prices. These holidays often result in higher local traffic and demand for accommodations.
How far is the airport from central Lake Forest?
Lake Forest is served by 2 airports:

  • Chicago, IL (MDW-Midway Intl.): 10 miles southwest
  • Chicago, IL (ORD-O'Hare Intl.): 20 miles west

These options give you flexibility when planning your trip.
How can I track flight prices to Lake Forest?
Our Price Tracking tool allows you to monitor fares to Lake Forest. You can view flight price history and see predictions of future prices as available. When you're signed into your Expedia account, you can set up flight price alerts too. This way, you'll receive notifications when prices go up or down, so you know when it's the right time to book.
How to get a cheap last-minute flight to Lake Forest?
It is possible to find cheap, last-minute flights to Lake Forest, especially if you can be flexible with your dates, times and route. Whether you're planning a spontaneous getaway or need to travel for business, there are plenty of last-minute flight deals on Expedia. You can also bundle your flight and hotel for even more savings with a package deal.
Can I earn miles booking a flight to Lake Forest with Expedia?
You can earn miles when booking a flight to Lake Forest on Expedia. Before confirming your booking, just select the frequent flyer program name and enter your program number. For even more rewards, join One Key™—our free travel rewards program. One Key members earn OneKeyCash™* on eligible bookings for every dollar spent.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Can I save money by booking a Lake Forest trip package?
Book a Lake Forest flight and hotel package deal on Expedia, and you can make significant savings. It's simple to bundle your accommodations and flights, and you can also add car rentals and activities to create your own customized Lake Forest trip. Plus, nothing beats the convenience of booking everything in the same place.
Can I change or cancel my flight to Lake Forest?
It's often possible to cancel or change your flight to Lake Forest using Expedia. Many airlines let you cancel your flights for free within 24 hours of booking. However, some flights are non-refundable, and airlines may offer to reschedule your flight rather than provide a direct refund. To find affordable flights to Lake Forest with flexible change policies, select "No cancel fee" or "Changes included" when you search. Need more information? Visit our Customer Service Portal.

*Flight schedules are subject to change.

Book with confidence

Tips to find the cheapest flights to Lake Forest

The cheapest day to fly

Get started finding a cheap flight to Lake Forest on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

April is the cheapest month to fly to Lake Forest. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Lake Forest. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to Lake Forest, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to Lake Forest

The lowest price for round-trip flights to Lake Forest in 2026 starts from from $56, while one-way tickets start from from $28. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Lake Forest. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Lake Forest

Frontier Airlines, Spirit Airlines, Southwest Airlines, American Airlines, Delta, United are just some of the airlines that can typically offer cheap tickets to Lake Forest. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Lake Forest and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Lake Forest, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Lake Forest. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your Lake Forest plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to Lake Forest

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Lake Forest.

Stopover savings

The cheapest tickets to Lake Forest are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Lake Forest. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to Lake Forest for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Lake Forest. Simply download the free Expedia app to your smart device and activate Lake Forest flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Lake Forest. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Tips to find the cheapest flights to Lake Forest

Travel information

Destination airport
O'Hare Intl.
Destination airport IATA code
ORD
Destination city name
Chicago
Roundtrip price
$56

Trending flights to Lake Forest

Prices were available within the past 7 days and start at $28 for one-way flights and $56 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Apr 14 - Sat, Apr 18
ATL
Atlanta
MDW
Chicago
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Apr 14 from Atlanta to Chicago, returning Sat, Apr 18, priced at $56 just found

Explore a world of travel with Expedia

*Available to One Key members.