Cheap Flights to Illinois

Popular airlines to Illinois

  • Delta

    Delta

  • American Airlines

    American Airlines

  • Frontier Airlines

    Frontier Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Spirit Airlines

    Spirit Airlines

  • JetBlue Airways

    JetBlue Airways

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Popular cities in Illinois

Chicago which includes a high-rise building and a city as well as a family
FlightsFlights

Chicago

Chicago

Cheapest Flights to Illinois

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 18 Oct. - Sat, 25 Oct.
IAH
Houston
ORD
Chicago
NZ$264 Return, found 4 days ago
NZ$264
Return
found 4 days ago
Select American Airlines flight, departing Sat, 18 Oct. from Houston to Chicago, returning Sat, 25 Oct., priced at NZ$264 found 4 days ago
American Airlines
Sat, 27 Sep. - Sat, 4 Oct.
IAH
Houston
ORD
Chicago
NZ$265 Return, found 3 days ago
NZ$265
Return
found 3 days ago
Select American Airlines flight, departing Sat, 27 Sep. from Houston to Chicago, returning Sat, 4 Oct., priced at NZ$265 found 3 days ago
American Airlines
Sat, 18 Oct. - Sat, 25 Oct.
IAH
Houston
ORD
Chicago
NZ$297 Return, found 4 days ago
NZ$297
Return
found 4 days ago
Select American Airlines flight, departing Sat, 18 Oct. from Houston to Chicago, returning Sat, 25 Oct., priced at NZ$297 found 4 days ago
American Airlines
Sat, 27 Sep. - Sat, 4 Oct.
IAH
Houston
ORD
Chicago
NZ$298 Return, found 3 days ago
NZ$298
Return
found 3 days ago
Select American Airlines flight, departing Sat, 27 Sep. from Houston to Chicago, returning Sat, 4 Oct., priced at NZ$298 found 3 days ago
American Airlines
Wed, 8 Oct. - Tue, 14 Oct.
IAH
Houston
ORD
Chicago
NZ$300 Return, found 4 hours ago
NZ$300
Return
found 4 hours ago
Select American Airlines flight, departing Wed, 8 Oct. from Houston to Chicago, returning Tue, 14 Oct., priced at NZ$300 found 4 hours ago
American Airlines
Sat, 18 Oct. - Sat, 25 Oct.
IAH
Houston
ORD
Chicago
NZ$331 Return, found 4 days ago
NZ$331
Return
found 4 days ago
Select American Airlines flight, departing Sat, 18 Oct. from Houston to Chicago, returning Sat, 25 Oct., priced at NZ$331 found 4 days ago
American Airlines
Wed, 8 Oct. - Tue, 14 Oct.
IAH
Houston
ORD
Chicago
NZ$333 Return, found 4 hours ago
NZ$333
Return
found 4 hours ago
Select American Airlines flight, departing Wed, 8 Oct. from Houston to Chicago, returning Tue, 14 Oct., priced at NZ$333 found 4 hours ago
American Airlines
Mon, 3 Nov. - Fri, 7 Nov.
IAH
Houston
ORD
Chicago
NZ$334 Return, found 1 day ago
NZ$334
Return
found 1 day ago
Select American Airlines flight, departing Mon, 3 Nov. from Houston to Chicago, returning Fri, 7 Nov., priced at NZ$334 found 1 day ago
Delta
Sat, 18 Oct. - Sat, 25 Oct.
IAH
Houston
MDW
Chicago
NZ$364 Return, found 4 days ago
NZ$364
Return
found 4 days ago
Select Delta flight, departing Sat, 18 Oct. from Houston to Chicago, returning Sat, 25 Oct., priced at NZ$364 found 4 days ago
United
Sat, 18 Oct. - Sat, 25 Oct.
IAH
Houston
ORD
Chicago
NZ$372 Return, found 4 days ago
NZ$372
Return
found 4 days ago
Select United flight, departing Sat, 18 Oct. from Houston to Chicago, returning Sat, 25 Oct., priced at NZ$372 found 4 days ago

Illinois Flights

There is no better time to steal away to Illinois than right now, and Expedia.co.nz knows just how to get you there without breaking your budget. You can find cheap flights to Illinois right here on Expedia.co.nz, and comparing itineraries couldn't be easier. Whether you are early bird flyer or want to catch Illinois flights on the red-eye schedule, Expedia.co.nz can show you all the available flights at the best price. From domestic flights to international journeys, the flight you need can be found and booked right here with us.

Once you have your cheap tickets to Illinois in hand, holiday planning can move forward full steam ahead. Unleash the potential of your holiday with a car rental, which makes it possible to explore Illinois without relying on public transportation or trekking far and wide on foot.

If you're in the market for adventure, book one of the Expedia holiday packages. Our packages save you money and time by bundling hotels and flights. What are you waiting for? Your next holiday in Illinois starts right here!

Illinois Flights Information

Airlines serving
American Airlines, Delta, United
Roundtrip price
from NZ$264

Frequently asked questions

How do I find cheap flights to Illinois that have flexible change policies?
Search for cheap flights to Illinois, then tick the "No change fee" box under the "Flexible change policies" heading. From then on it's smooth sailing. We understand that travel plans change and flexibility is essential, so book with confidence with Expedia.
Which airlines fly to Illinois?
Whether you're travelling somewhere new or rendezvousing at a favourite haunt, these airlines are waiting to take you into or near Illinois:

  • United Airlines - 13 063 flights to or near 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 Illinois each month, including 8 855 flights to O'Hare Intl. Airport (ORD) and 121 flights to Quad City Intl. Airport (MLI) per month.
  • Southwest Airlines - 5 997 flights to or near Illinois each month, including 5 334 flights to Midway Intl. Airport (MDW) and 663 flights to O'Hare Intl. Airport (ORD) per month.

How can I find cheap tickets to Illinois?
One of the easiest ways to find cheap tickets to Illinois is to be flexible with your travel dates. Search for your flights, then click "flexible dates" at the top of your results. It'll reveal the cheapest prices for nearby days. The lowest price for a flight to Illinois in the last seven days was NZ$264. Booking well in advance will generally help you score an even bigger bargain.
How much is a flight to Illinois?
There were plenty of bargain fares up for grabs in the last seven days, with the cost of a return airfare to Illinois ranging between NZ$264 and NZ$1,269. Many lucky travellers nabbed one-way tickets from Houston (IAH) for as little as NZ$133.
What are the most popular airports to fly into in Illinois?
Touch down at one of these top Illinois airports and you'll be perfectly placed to discover all that this wonderful region has to offer:

  • O'Hare Intl. Airport (ORD) - 25 318 flights per month.
  • Midway Intl. Airport (MDW) - 5 962 flights per month.
  • Quad City Intl. Airport (MLI) - 325 flights per month.

When is the cheapest time to fly to Illinois?
Take off for Illinois early in the week and you'll usually be rewarded more economical fares. Tuesday is typically the cheapest day to hop on a plane, followed by Monday. If you're hoping to avoid the most expensive flights, steer clear of Saturdays.
How much is a plane ticket to Illinois?
In the last seven days, plane fares to Illinois ranged from NZ$264 to NZ$1,269.
What is the best time to go to Illinois?
A terrific time to check out Chicago is after June 20 when the summer season starts. In Illinois's main city, average temperatures range from 18ºC to 24ºC at this time — ideal weather for sightseeing! May, June and August are the most popular months to head to this hot spot.
What months are the cheapest to book a flight to Illinois?
The top month to purchase affordable flights to Illinois is February. Remember that in the U.S, an expensive time to reserve a ticket is during the busy month of December.

Trending flights to Illinois

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 9 Oct. - Sun, 26 Oct.
AKL
Auckland
STL
St. Louis
NZ$1,269 Return, found 2 days ago
NZ$1,269
Return
found 2 days ago
Select Delta flight, departing Thu, 9 Oct. from Auckland to St. Louis, returning Sun, 26 Oct., priced at NZ$1,269 found 2 days ago
*Available to Expedia members.