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$529+ Cheap flights from Decatur, IL (DEC) to Ireland

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEC — DUB
nov. 15 — nov. 221
sáb. 11/15
sáb. 11/22
1 adult, Economy
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Find flight deals from Decatur to Ireland

Cheapest flights from Decatur to Ireland
Explore the most affordable flight options available from Decatur to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 16, 2025.

This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/277:08 pmDEC - DUB
1 stop32h 02mUnited Airlines
lun. 11/310:40 amDUB - DEC
1 stop13h 12mUnited Airlines
Deal found 10/15$529
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/297:08 pmDEC - DUB
1 stop31h 02mUnited Airlines
sáb. 12/69:00 amDUB - DEC
2 stops38h 52mUnited Airlines
Deal found 10/15$1,176

Cheap flight deals from Decatur to Ireland

Keep the following information in mind while searching for Decatur to Ireland flight deals. Data was last updated octubre 16, 2025.

Round-trip from

$476
(United Airlines)
From Decatur Arpt to Ireland
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Decatur to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 16, 2025.
Use the filters below to find and compare flights from Decatur to Ireland that are best for you.

Fly from

Decatur

Fly to

Ireland

Route

Depart

Return

Price

DecaturDublin

DEC - DUB

DECDUB

Decatur Arpt

mié. 3/4

9:49 am-8:10 am

1 stop16h 21m

Dublin

dom. 3/8

10:40 am-5:56 pm

1 stop12h 16m

$529

DecaturDublin

DEC - DUB

DECDUB

Decatur Arpt

lun. 10/27

9:44 am-7:30 am

2 stops16h 46m

Dublin

lun. 11/3

10:40 am-5:52 pm

1 stop13h 12m

$533

DecaturDublin

DEC - DUB

DECDUB

Decatur Arpt

sáb. 11/29

7:08 pm-8:10 am

1 stop31h 02m

Dublin

sáb. 12/6

9:00 am-5:52 pm

2 stops38h 52m

$1,176

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Best time to book a flight from Decatur to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Decatur with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Decatur to Ireland
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Decatur to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Decatur to Ireland?

    If you book a flight to Ireland from Decatur, you will be flying from Decatur Arpt, which is the city’s only airport. Decatur Arpt (DEC) is located 4.7 mi from the center of Decatur.

  • How long is the flight from Decatur, Illinois to Ireland?

    Airlines like United Airlines fly from Decatur, Illinois to Ireland in about 32h 02m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 3799 mi.

  • Can I find deals for flights from Decatur to Ireland that include hotel bookings?

    Yes. In addition to deals on Decatur to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Decatur to Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Decatur to Ireland.

  • Can I find deals for business class flights from Decatur to Ireland?

    Yes. Cheapflights offers flight deals from Decatur to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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