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$636+ Cheap flights from Decatur, IL (DEC) to Ireland

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEC — DUB
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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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 March 28, 2025.

Round-trip from

$1,601
(United Airlines)

One-way from

$636
(United Airlines)
From Decatur Arpt to Ireland
Search Deals
One-way flight from Decatur Arpt to Ireland
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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 March 28, 2025.

This United Airlines deal was found by Cheapflights users on 3/27. 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.
Sun 5/119:50 amDEC - DUB
2 stops15h 30mUnited Airlines
Sun 5/189:50 amDUB - DEC
2 stops14h 00mUnited Airlines
Deal found 3/27$1,601

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 March 28, 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

Sun 5/11

9:50 am-7:20 am

2 stops15h 30m

Dublin

Sun 5/18

9:50 am-5:50 pm

2 stops14h 00m

$1,601

DecaturDublin

DEC - DUB

DECDUB

Decatur Arpt

Fri 8/1

6:55 pm-8:15 am

2 stops55h 20m

$636

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

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

Rainfall in Ireland by month

Plan your trip to Ireland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ireland ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Ireland when rainfall is around 1.9 in.

Temperature in Ireland by month

Plan your trip to Ireland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ireland. Reviews last updated March 28, 2025.
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,603 reviews
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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.

  • What is the cheapest month to book a flight from Decatur, Illinois to Ireland?

    Currently, November is the cheapest month in which you can book a flight from Decatur, Illinois to Ireland (average of $509). Flying from Decatur, Illinois to Ireland in June is currently the most expensive (average of $1,010). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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