Cheap Flights to Illinois from $21 (2024/2025)

There are several factors that may affect your travel plans if you’re thinking about a flight to Illinois. They include where you’re arriving from and current coronavirus restrictions in your destination. Before making a booking, check through relevant government websites for the most up-to-date info. Travelocity’s Covid-19 Travel Advisor will also inform you about traveling during COVID-19. Click on the link for guidance on restrictions, physical distancing rules and more for your destination.

A roundtrip flight to Illinois cost as little as $51 within the last seven days. When you’re ready to make a booking, we’ll help you find a top deal. This price was available on Travelocity for flights to Illinois departing within the next year. Prices and availability are subject to change. Additional terms apply.

You’ll have a choice of 20 airlines when you want to organize your flight to Illinois. Let Southwest Airlines take you there. This top carrier offers 5,737 services a month to Chicago, Illinois’s premier city.

Splash out more money on epic experiences and less on airfares by visiting Illinois in May. This is the most affordable time to set off to this destination based on Travelocity’s direct return flight demand between January and December last year. Take a peek at our list of flights and get away from it all without draining your bank account.

Visit the Travelocity customer portal, Trips. You’ll find almost everything related to your flight to Illinois here, including valuable information about any gate changes, flight delays and more. Keep an eye out for Trips at the top right of the Travelocity homepage. Simply sign up, log in and discover what you need. Or you can access your itinerary on the go and get real-time travel updates with the Travelocity app. You’ll find all your itineraries in one convenient place, so you can quickly share details with any members of your family flying with you.

Being flexible with your travel dates is one of the best ways to score a fantastic deal. Travelocity makes it a snap to find your perfect fare through the “Flexible dates” feature. First, search for your flight to Illinois, then compare prices for surrounding days by clicking the Flexible dates box above. Booking ahead of time and traveling outside of peak periods will also help you save. In the last seven days, the cheapest price for a return flight to Illinois was $51 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.

Look for cheap flights to Illinois with Travelocity and start arranging your next adventure. With 24/7 customer assistance during every step of your trip and a Price Match Guarantee, we take the difficulty out of reserving cheap family flights, places to stay and more. Bag a top deal today and prepare for an amazing adventure.

To help you in your search for flights to Illinois, browse our list of some of the preferred routes:

• 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.

Airfares for roundtrip flights to Illinois cost between $51 and $3,198 in the last seven days. The moment you see a fabulous deal, snap it up and get ready to set off on your next wonderful adventure with Travelocity. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

The length of your direct flight to Illinois mostly depends on your point of departure. To give you an idea of what to expect, here are the average travel times for a handful of popular routes to Illinois:

• 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

Factors such as which carrier you choose and where you’re departing from will mostly determine your travel experience. Chances are you’ll find all kinds of flights to Illinois, from cheap flights for family vacations to first class journeys. Warm meals, drinks and entertainment are usually what most airlines provide on long-haul trips.