Cheap Flights to Illinois

View NZ$1,088 flight on Sat, 26 Dec 2026Opens in a new window

Popular airlines to Illinois

  • Delta

  • Frontier Airlines

  • American Airlines

  • United

  • Alaska Airlines

  • Spirit Airlines

  • Southwest Airlines

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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.

Air Tahiti Nui
Tue, 10 Nov - Tue, 17 Nov
AKL
Auckland
ORD
Chicago
NZ$2,046 Return, found 20 hours ago
NZ$2,046
Return
found 20 hours ago
Select Air Tahiti Nui flight, departing Tue, 10 Nov from Auckland to Chicago, returning Tue, 17 Nov, priced at NZ$2,046 found 20 hours ago
Air Tahiti Nui
Thu, 4 June - Tue, 16 June
AKL
Auckland
ORD
Chicago
NZ$2,245 Return, found 3 days ago
NZ$2,245
Return
found 3 days ago
Select Air Tahiti Nui flight, departing Thu, 4 June from Auckland to Chicago, returning Tue, 16 June, priced at NZ$2,245 found 3 days ago
Air Tahiti Nui
Thu, 19 Nov - Thu, 3 Dec
AKL
Auckland
ORD
Chicago
NZ$2,257 Return, found 2 days ago
NZ$2,257
Return
found 2 days ago
Select Air Tahiti Nui flight, departing Thu, 19 Nov from Auckland to Chicago, returning Thu, 3 Dec, priced at NZ$2,257 found 2 days ago
Air Tahiti Nui
Thu, 7 May - Thu, 14 May
AKL
Auckland
STL
St. Louis
NZ$2,315 Return, found 17 hours ago
NZ$2,315
Return
found 17 hours ago
Select Air Tahiti Nui flight, departing Thu, 7 May from Auckland to St. Louis, returning Thu, 14 May, priced at NZ$2,315 found 17 hours ago
Delta
Mon, 4 May - Tue, 19 May
AKL
Auckland
ORD
Chicago
NZ$2,456 Return, found 18 hours ago
NZ$2,456
Return
found 18 hours ago
Select Delta flight, departing Mon, 4 May from Auckland to Chicago, returning Tue, 19 May, priced at NZ$2,456 found 18 hours ago
American Airlines
Mon, 1 June - Mon, 8 June
AKL
Auckland
ORD
Chicago
NZ$2,456 Return, found 12 hours ago
NZ$2,456
Return
found 12 hours ago
Select American Airlines flight, departing Mon, 1 June from Auckland to Chicago, returning Mon, 8 June, priced at NZ$2,456 found 12 hours ago
Qantas Airways
Mon, 25 May - Mon, 8 June
AKL
Auckland
ORD
Chicago
NZ$2,456 Return, found 1 day ago
NZ$2,456
Return
found 1 day ago
Select Qantas Airways flight, departing Mon, 25 May from Auckland to Chicago, returning Mon, 8 June, priced at NZ$2,456 found 1 day ago
United
Tue, 9 Feb - Wed, 17 Feb
AKL
Auckland
ORD
Chicago
NZ$2,459 Return, found 20 hours ago
NZ$2,459
Return
found 20 hours ago
Select United flight, departing Tue, 9 Feb from Auckland to Chicago, returning Wed, 17 Feb, priced at NZ$2,459 found 20 hours ago
Air New Zealand
Tue, 9 Feb - Wed, 17 Feb
AKL
Auckland
ORD
Chicago
NZ$2,459 Return, found 20 hours ago
NZ$2,459
Return
found 20 hours ago
Select Air New Zealand flight, departing Tue, 9 Feb from Auckland to Chicago, returning Wed, 17 Feb, priced at NZ$2,459 found 20 hours ago
Air New Zealand
Thu, 15 Oct - Sun, 1 Nov
NPE
Napier
ORD
Chicago
NZ$2,505 Return, found 18 hours ago
NZ$2,505
Return
found 18 hours ago
Select Air New Zealand flight, departing Thu, 15 Oct from Napier to Chicago, returning Sun, 1 Nov, priced at NZ$2,505 found 18 hours ago

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.

Air Tahiti Nui
Tue, 10 Nov - Tue, 17 Nov
AKL
Auckland
ORD
Chicago
NZ$2,046 Return, found 18 hours ago
NZ$2,046
Return
found 18 hours ago
Select Air Tahiti Nui flight, departing Tue, 10 Nov from Auckland to Chicago, returning Tue, 17 Nov, priced at NZ$2,046 found 18 hours ago

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$2,046. 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$2,046 and NZ$2,505. Many lucky travellers nabbed one-way tickets from Auckland (AKL) for as little as NZ$1,088.
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$2,046 to NZ$2,505.
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.

Travel information

Illinois Flights Information

Airlines serving
Air Tahiti Nui, Air Canada, Delta, American Airlines, United, Air New Zealand, Qantas Airways
Roundtrip price
from NZ$2,046
Illinois Flights Information

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