Flights to Northern Illinois, Illinois from NT$7,011

Search for your cheap flights to Northern Illinois, then tick the “No change fee” box under the “Flexible change policies” heading. It’s that simple. We know that things can change and flexibility is important, so book with confidence with Expedia.

A good selection of airlines fly to destinations in or close to Northern Illinois. Your vacation is just a few clicks away with these popular carriers:

• United Airlines - 13,058 flights to or near Northern Illinois each month, including 12,950 flights to O’Hare Intl. Airport (ORD) and 108 flights to Quad City Intl. Airport (MLI) per month.
• American Airlines - 8,977 flights to or near Northern Illinois each month, including 8,855 flights to O’Hare Intl. Airport (ORD) and 121 flights to Quad City Intl. Airport (MLI) per month.
• Delta Air Lines - 1,282 flights to or near Northern Illinois each month, including 1,222 flights to O’Hare Intl. Airport (ORD) and 60 flights to Quad City Intl. Airport (MLI) per month.

A good strategy for nabbing cheap fares is to be flexible with your dates. Begin with searching for your flight to Northern Illinois, then click on the “flexible dates” box to see prices for nearby days. Another good tip? Book well ahead. To give you an idea of fares, NT$7,011 was the best price for a flight to Northern Illinois in the last seven days.

One-way flights from Columbus (CMH) sold for just NT$4,452 in the last seven days. During this time, the price of a return air ticket to Northern Illinois ranged between NT$7,011 and NT$31,543. If you find a bargain ticket, book as fast as you can — these prices don’t stick around for long.

Cruise into one of these top Northern Illinois airports and you’ll be in the perfect position to discover all that this terrific region has to offer:

• O’Hare Intl. Airport (ORD) - 25,318 flights per month.
• Quad City Intl. Airport (MLI) - 325 flights per month.
• Williamson County Regional Airport (MWA) - 156 flights per month.

Consider leaving earlier in the week to secure the best fare to Northern Illinois. Tuesday is normally the most affordable day to fly, followed by Monday. Saturday typically has the highest ticket prices. This is because a lot of travelers like to begin their vacation on a weekend.

In the last seven days, tickets varied between NT$7,011 and NT$31,543. Take a look at our amazing deals to Northern Illinois, pick your favorite and then start packing!

February is the cheapest month to book your Northern Illinois adventure. Fares are at a premium throughout the busy month of December, so avoid this time if possible.