EUR/IE
Find cheap flights to Illinois in 2025/2026 from €309 This is the cheapest return flight found to Illinois from Ireland on FlightsFinder on June 7th 2025 at 11:29. This offer may no longer be available. Click the offer to check live prices & dates of travel.
Our Flight Finder compares the cheapest flights to Illinois from the most established flight comparison sites.
Fly to Illinois and visit sites like Millennium Park, Willis Tower, Navy Pier & The Art Institute of Chicago.
1. Enter your search requirements for Illinois
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These economy flights were found on FlightsFinder from Ireland to Illinois in the last few days. Prices subject to availability.
These economy flights were found on FlightsFinder from Ireland to Illinois in the last few days. Prices subject to availability.
According to our data, October is on average the cheapest time to book flights to Illinois.
You can get flights from €309 return.
According to our data, July is on average the most expensive time to book flights to Illinois.
A return flight could set you back more than €454.
Illinois, known as the "Land of Lincoln," is a vibrant state in the heart of the Midwest, offering a diverse range of experiences for visitors. From the iconic skyline of Chicago with its towering skyscrapers and cultural attractions, to the charming small towns scattered throughout the state, Illinois blends urban excitement with rural charm. Explore the picturesque vineyards of the Shawnee Hills Wine Trail, wander through the historic neighborhoods of Springfield, or take in a show at one of the many theaters in the state. With its rich history, dynamic cities, and scenic landscapes, Illinois promises a memorable adventure for travelers of all interests.
17.2 °C
Sun, 8 Jun 2025
Average Temperature
-0°C
Jan
2°C
Feb
8°C
Mar
15°C
Apr
21°C
May
27°C
Jun
29°C
Jul
28°C
Aug
24°C
Sep
17°C
Oct
9°C
Nov
2°C
Dec
Select a City Below to see the Cheapest Flights to Illinois:
Chicago, Illinois | Peoria, Illinois | Moline, Illinois | Springfield, Illinois | Marion, Illinois | Bloomington, Illinois
Dublin, Ireland - Dublin International Airport (DUB) to Illinois (CHI)
Distance:
3,663 miles (5,896 kilometres)
Average flight time (direct 8 hours 38 minutes)
Shannon, Ireland - Shannon International Airport (SNN) to Illinois (CHI)
Distance:
3,580 miles (5,762 kilometres)
Average flight time (direct 8 hours 27 minutes)
Knock, Ireland - Ireland West Airport (NOC) to Illinois (CHI)
Distance:
3,554 miles (5,720 kilometres)
Average flight time (direct 8 hours 23 minutes)
Cork, Ireland - Cork International Airport (ORK) to Illinois (CHI)
Distance:
3,620 miles (5,826 kilometres)
Average flight time (direct 8 hours 32 minutes)
Kerry, Ireland - Kerry Airport (KIR) to Illinois (CHI)
Distance:
3,570 miles (5,746 kilometres)
Average flight time (direct 8 hours 26 minutes)
Donegal, Ireland - Donegal Airport (CFN) to Illinois (CHI)
Distance:
3,544 miles (5,704 kilometres)
Average flight time (direct 8 hours 22 minutes)
Waterford, Ireland - Waterford Airport (WAT) to Illinois (CHI)
Distance:
3,666 miles (5,899 kilometres)
Average flight time (direct 8 hours 38 minutes)
From Dublin (DUB), Ireland to Chicago, United States (ORD): €309
Depart: 31 Oct 2025 · Return: 05 Nov 2025 Price found 07 Jun 2025, 11:29
From Shannon (SNN), Ireland to Chicago, United States (ORD): €404
Depart: 02 Sep 2025 · Return: 07 Sep 2025 Price found 07 Jun 2025, 11:51
From Cork (ORK), Ireland to Chicago, United States (ORD): €436
Depart: 01 Oct 2025 · Return: 08 Oct 2025 Price found 04 Jun 2025, 22:01
From Farranfore (KIR), Ireland to Chicago, United States (ORD): €481
Depart: 28 Aug 2025 · Return: 04 Sep 2025 Price found 04 Jun 2025, 10:10
From Knock (NOC), Ireland to Chicago, United States (ORD): €691
Depart: 30 Oct 2025 · Return: 03 Nov 2025 Price found 06 Jun 2025, 22:43
From Donegal (CFN), Ireland to Chicago, United States (ORD): €717
Depart: 19 Jul 2025 · Return: 26 Jul 2025 Price found 04 Jun 2025, 08:25
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