EUR/IE
Find cheap flights to Decatur, Illinois in 2026/2027 from €879 This is the cheapest return flight found to Decatur, Illinois from Ireland on FlightsFinder on January 25th 2026 at 19:36. 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 Decatur, Illinois from the most established flight comparison sites.
Fly to Decatur, Illinois and visit sites like Scovill Zoo, Children's Museum of Illinois, Lake Decatur & Rock Springs Conservation Area.
1. Enter your search requirements for Decatur, Illinois
2. Compare the best Decatur, Illinois deals from top comparison engines
3. Book your Decatur, Illinois flight at the cheapest price
These economy flights were found on FlightsFinder from Ireland to Decatur, Illinois in the last few days. Prices subject to availability.
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These economy flights were found on FlightsFinder from Ireland to Decatur, Illinois in the last few days. Prices subject to availability.
No flights found for this month.
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According to our data, February is on average the cheapest time to book flights to Decatur, Illinois.
You can get flights from €879 return.
According to our data, March is on average the most expensive time to book flights to Decatur, Illinois.
A return flight could set you back more than €986.
Situated along the picturesque banks of Lake Decatur, Decatur, Illinois boasts a charming blend of rich history, vibrant culture, and small-town warmth. This Midwestern gem captivates visitors with its thriving arts scene, diverse culinary offerings, and welcoming community spirit. Explore the city's historic downtown district, lined with beautifully preserved architecture and an array of boutique shops and eateries. Nature enthusiasts can revel in the abundance of outdoor recreational opportunities, from lush parks to scenic trails. Whether strolling along the waterfront or immersing oneself in local festivities, Decatur promises an unforgettable experience that embodies the heart of the American heartland.
A good price for a flight to Decatur is €791 - €967.
The popular airports near Decatur, Illinois, include Central Illinois Regional Airport at Bloomington-Normal, Abraham Lincoln Capital Airport in Springfield, and University of Illinois Willard Airport in Champaign.
The flight to Decatur, Illinois (DEC) is roughly 8 hours 57 minutes and 3,804 miles (6,122 kilometres) from Dublin, Ireland - Dublin International Airport (DUB).
The best way is to compare flights to Decatur, Illinois from leading comparison sites using our search engine dashboard.
We have currently found no direct flights to Decatur, Illinois.
Here is the average weather forecast in Decatur, Illinois by month:
• Jan: 1°C
• Feb: 4°C
• Mar: 11°C
• Apr: 19°C
• May: 25°C
• Jun: 29°C
• Jul: 31°C
• Aug: 30°C
• Sep: 27°C
• Oct: 20°C
• Nov: 12°C
• Dec: 4°C
The Decatur Airport in Illinois is approximately 6 miles from the city center.
Typically, flights are cheapest to Decatur, Illinois 2 months before departure.
Studies show flights to Decatur, Illinois are typically cheaper on Tuesdays and Wednesdays.
2.5 °C
Wed, 28 Jan 2026
Average Temperature
1°C
Jan
4°C
Feb
11°C
Mar
19°C
Apr
25°C
May
29°C
Jun
31°C
Jul
30°C
Aug
27°C
Sep
20°C
Oct
12°C
Nov
4°C
Dec
Dublin, Ireland - Dublin International Airport (DUB) to Decatur, Illinois (DEC)
Distance:
3,804 miles (6,122 kilometres)
Average flight time (direct 8 hours 57 minutes)
Shannon, Ireland - Shannon International Airport (SNN) to Decatur, Illinois (DEC)
Distance:
3,719 miles (5,986 kilometres)
Average flight time (direct 8 hours 45 minutes)
Knock, Ireland - Ireland West Airport (NOC) to Decatur, Illinois (DEC)
Distance:
3,695 miles (5,946 kilometres)
Average flight time (direct 8 hours 42 minutes)
Cork, Ireland - Cork International Airport (ORK) to Decatur, Illinois (DEC)
Distance:
3,758 miles (6,047 kilometres)
Average flight time (direct 8 hours 51 minutes)
Kerry, Ireland - Kerry Airport (KIR) to Decatur, Illinois (DEC)
Distance:
3,708 miles (5,968 kilometres)
Average flight time (direct 8 hours 44 minutes)
Donegal, Ireland - Donegal Airport (CFN) to Decatur, Illinois (DEC)
Distance:
3,687 miles (5,933 kilometres)
Average flight time (direct 8 hours 41 minutes)
Waterford, Ireland - Waterford Airport (WAT) to Decatur, Illinois (DEC)
Distance:
3,804 miles (6,122 kilometres)
Average flight time (direct 8 hours 57 minutes)
From Dublin (DUB), Ireland to Decatur, United States (DEC): €879
Depart: 03 Feb 2026 · Return: 08 Feb 2026 Price found 25 Jan 2026, 19:36
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