What is the cheapest airline that flies from Illinois to Dublin?

British Airways and United Airlines are the most popular carriers operating from Illinois to Dublin

How many flights depart from Illinois to Dublin on average per day?

As of February 2026, 8 flights take off from Illinois and land in Dublin each day. The most common flight departure time for this route is 6:00PM, with 100% of daily flights taking off in the evening.

What airlines fly to Dublin?

Aer Lingus, United Airlines and American Airlines are the top three most popular airlines that fly to Dublin from Illinois according to our data. Aer Lingus is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Dublin. Keep in mind that there are 16 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.

How many flights depart from Illinois to Dublin on average per week?

As of February 2026, 56 flights take off from Illinois and land in Dublin each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.

When did momondo last update prices for flights from Illinois to Dublin Airport?

Prices for flights from Illinois to Dublin Airport were last updated today.

How many operators does momondo search for flights from Illinois to Dublin Airport?

The number of operators available for flights from Illinois to Dublin Airport is 17 as of February 2026.

How old do you have to be to fly from Illinois to Dublin Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Dublin Airport.

What documentation or ID do you need to fly to Dublin Airport?

The required travel and health documents for your Dublin Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Dublin Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$197 Cheap Flights from Illinois to Dublin in 2026

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Find the cheapest flights from Illinois to Dublin

Round-trip

One-way

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Cheap round-trip flights

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7:25 pm - 1:15 pm

ORD

DUB

11h 50m

1 stop

2:15 pm - 6:15 pm

DUB

ORD

10h 00m

1 stop

$423Icelandair

mer., avr. 22 - jeu., avr. 30

7:25 pm - 1:15 pm

ORD

DUB

11h 50m

1 stop

12:15 pm - 6:15 pm

DUB

ORD

12h 00m

1 stop

$424Icelandair

mer., avr. 15 - mer., avr. 29

10:50 pm - 5:10 pm

ORD

DUB

13h 20m

1 stop

11:45 am - 9:05 pm

DUB

ORD

14h 20m

1 stop

$433Lufthansa

mar., mars 10 - jeu., mars 19

7:15 pm - 10:55 am

ORD

DUB

33h 40m

2 stops

11:40 am - 4:10 pm

DUB

ORD

58h 30m

2 stops

$434Scandinavian Airlines

sam., avr. 18 - mer., avr. 22

7:20 pm - 6:20 pm

ORD

DUB

17h 00m

1 stop

11:30 am - 4:45 pm

DUB

ORD

35h 15m

2 stops

$435Scandinavian Airlines

mer., févr. 18 - mer., févr. 25

4:05 pm - 8:15 am

STL

DUB

10h 10m

1 stop

5:55 am - 1:25 pm

DUB

STL

13h 30m

1 stop

$457Multiple Airlines

mar., avr. 14 - mer., avr. 22

6:35 am - 8:10 am

PIA

DUB

19h 35m

1 stop

9:00 am - 12:43 pm

DUB

PIA

33h 43m

2 stops

$458United Airlines

mer., févr. 25 - dim., mars 1

7:41 am - 8:10 am

STL

DUB

18h 29m

1 stop

9:00 am - 8:23 pm

DUB

STL

41h 23m

2 stops

$458United Airlines

ven., févr. 20 - ven., févr. 27

2:05 pm - 7:55 am

MDW

DUB

11h 50m

1 stop

10:00 am - 6:36 pm

DUB

MDW

14h 36m

1 stop

$483Multiple Airlines

lun., avr. 6 - mar., avr. 14

5:25 pm - 9:45 am

PIA

DUB

10h 20m

1 stop

12:25 pm - 10:45 pm

DUB

PIA

16h 20m

2 stops

$891Lufthansa

mer., mai 13 - mer., juin 3

Icelandair flights from Illinois to Dublin

Our best Icelandair deals on Illinois to Dublin flight tickets

Icelandair

Apr 22

ORD7:25 pmChicago O'Hare Intl

11h 50m

1 stop

DUB1:15 pmDublin

Apr 30

DUB2:15 pmDublin

10h 00m

1 stop

ORD6:15 pmChicago O'Hare Intl

$423

Icelandair

Apr 15

ORD7:25 pmChicago O'Hare Intl

11h 50m

1 stop

DUB1:15 pmDublin

Apr 29

DUB12:15 pmDublin

12h 00m

1 stop

ORD6:15 pmChicago O'Hare Intl

$424

Icelandair

Mar 2

ORD6:30 pmChicago O'Hare Intl

9h 45m

1 stop

DUB10:15 amDublin

Mar 17

DUB11:30 amDublin

11h 50m

1 stop

ORD6:20 pmChicago O'Hare Intl

$428

United Airlines flights from Illinois to Dublin

Our best United Airlines deals on Illinois to Dublin flight tickets

United Airlines

Feb 25

PIA6:35 amGreater Peoria

19h 35m

1 stop

DUB8:10 amDublin

Mar 1

DUB9:00 amDublin

33h 43m

2 stops

PIA12:43 pmGreater Peoria

$458

United Airlines

Feb 26

STL8:30 amLambert-St Louis

19h 50m

1 stop

DUB10:20 amDublin

Mar 2

DUB9:00 amDublin

43h 14m

2 stops

STL10:14 pmLambert-St Louis

$460

United Airlines

Feb 25

PIA10:46 amGreater Peoria

17h 34m

2 stops

DUB10:20 amDublin

Mar 1

DUB9:00 amDublin

33h 43m

2 stops

PIA12:43 pmGreater Peoria

$463

Fly from

Fly to

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mer. 4/22

7:25 pm-1:15 pm

1 stop11h 50m

Dublin

jeu. 4/30

2:15 pm-6:15 pm

1 stop10h 00m

$423

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mer. 4/15

7:25 pm-1:15 pm

1 stop11h 50m

Dublin

mer. 4/29

12:15 pm-6:15 pm

1 stop12h 00m

$424

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mar. 3/10

10:50 pm-5:10 pm

1 stop13h 20m

Dublin

jeu. 3/19

11:45 am-9:05 pm

1 stop14h 20m

$433

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

sam. 4/18

7:15 pm-10:55 am

2 stops33h 40m

Dublin

mer. 4/22

11:40 am-4:10 pm

2 stops58h 30m

$434

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mer. 2/18

7:20 pm-6:20 pm

1 stop17h 00m

Dublin

mer. 2/25

11:30 am-4:45 pm

2 stops35h 15m

$435

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

mar. 4/14

4:05 pm-8:15 am

1 stop10h 10m

Dublin

mer. 4/22

5:55 am-1:25 pm

1 stop13h 30m

$457

PeoriaDublin

PIA - DUB

PIADUB

Greater Peoria

mer. 2/25

6:35 am-8:10 am

1 stop19h 35m

Dublin

dim. 3/1

9:00 am-12:43 pm

2 stops33h 43m

$458

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

ven. 2/20

7:41 am-8:10 am

1 stop18h 29m

Dublin

ven. 2/27

9:00 am-8:23 pm

2 stops41h 23m

$458

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

lun. 4/6

2:05 pm-7:55 am

1 stop11h 50m

Dublin

mar. 4/14

10:00 am-6:36 pm

1 stop14h 36m

$483

PeoriaDublin

PIA - DUB

PIADUB

Greater Peoria

mer. 5/13

5:25 pm-9:45 am

1 stop10h 20m

Dublin

mer. 6/3

12:25 pm-10:45 pm

2 stops16h 20m

$891

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to Dublin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Dublin?

In general, February is the cheapest month to fly from Illinois to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $543. If you’re not able to fly to Dublin in February, then January is your next best option. Flight prices from Illinois to Dublin during January average around $564.

What is the cheapest day to depart on your flight to Dublin?

The cheapest day to depart from Illinois to Dublin is on a Monday. Travelers who choose to depart for Dublin on a Monday will often find tickets for as low as $734. Flights from Illinois to Dublin on a Friday will generally be more expensive and average around $832. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Dublin?

In the evening is the cheapest time of day to fly from Illinois to Dublin when you can find flight prices for as low as $751. Flying to Dublin in the evening is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $798.

What is the cheapest Illinois to Dublin flight route?

Fly from Chicago O'Hare Intl to Dublin for the best Illinois - Dublin flight prices

How far in advance should I book a flight to Dublin?

You are more likely to see cheaper flights to Dublin from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $683 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Illinois for as low as $642 on momondo.

What cabin class options are available on Illinois to Dublin flights?

There are 3 cabin classes available to choose from on Illinois to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Dublin flights?

No. A direct flight is the cheapest option for a flight between Illinois to Dublin.

Cheap Illinois to Dublin flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Dublin

Best Price Found	$378
Fastest flight time	7h 15m
Direct flights	Every day
Airports in Dublin	1 airport

The best one-way flight to Dublin from Illinois in the past 72 hours is $378. The best round-trip flight deal from Illinois to Dublin found on momondo in the last 72 hours is $540.

The fastest flight from Illinois to Dublin takes 7h 15m

Direct flights go from Illinois to Dublin every day.

There is 1 airport in Dublin. From Illinois there are direct flights to Dublin (DUB).

Search flight deals

When did momondo last update prices for flights from Illinois to Dublin Airport?
Prices for flights from Illinois to Dublin Airport were last updated today.
How many operators does momondo search for flights from Illinois to Dublin Airport?
The number of operators available for flights from Illinois to Dublin Airport is 17 as of February 2026.
How old do you have to be to fly from Illinois to Dublin Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Dublin Airport.
What documentation or ID do you need to fly to Dublin Airport?
The required travel and health documents for your Dublin Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Dublin Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Illinois to Dublin?
Based on momondo bookings for flights between Illinois and Dublin, the leading plane model is Airbus A330-300, making up 26.73% of the total bookings. Other popular models include Boeing 787 Dreamliner with 17.94%, Boeing 767-300 with 16.30%, and Boeing 787-8 Dreamliner with 16.06%.

Best airlines flying from Illinois to Dublin

Compare and see reviews for airlines that fly from Illinois to Dublin with momondo

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $51	Free Cancellation	Rating 7.2 2,893 reviews	Search JetBlue flights
Icelandair	PriceFrom $344	Free Cancellation	Rating 7.1 606 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $400	Free Cancellation	Rating 7.3 1,677 reviews	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	PriceFrom $410	Free Cancellation	Rating 7.1 2,133 reviews	Search TAP AIR PORTUGAL flights
British Airways	PriceFrom $425	Free Cancellation	Rating 6.7 7,714 reviews	Search British Airways flights
Iberia	PriceFrom $457	Free Cancellation	Rating 7.0 3,103 reviews	Search Iberia flights
Aer Lingus	PriceFrom $468	Free Cancellation	Rating 7.2 1,444 reviews	Search Aer Lingus flights
SWISS	PriceFrom $473	Free Cancellation	Rating 7.6 1,864 reviews	Search SWISS flights
Lufthansa	PriceFrom $476	Free Cancellation	Rating 6.8 7,759 reviews	Search Lufthansa flights
Brussels Airlines	PriceFrom $487	Free Cancellation	Rating 7.2 381 reviews	Search Brussels Airlines flights

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Mullingar

Bray

Kildare

Malahide

Wicklow

Drogheda

Portmarnock

Arklow

Castleknock

Naas

Leixlip

Carlingford

Cavan

Maynooth

Thurles

Slane

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Dublin?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Dublin. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Illinois to Dublin with flexible booking policies on momondo?

All flight searches from Illinois to Dublin on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Illinois to Dublin?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Dublin from Illinois.

I’m not ready to book a flight from Illinois to Dublin right now. Can momondo alert me if prices change?

Price alerts on flights to Dublin from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Dublin trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Illinois to Dublin from $197

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Dublin departing on 2/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Icelandair flights from Illinois to Dublin

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How to get the cheapest flight ticket from Illinois to Dublin

What is the cheapest month to fly to Dublin?

What is the cheapest day to depart on your flight to Dublin?

What is the cheapest time of day to depart on your flight to Dublin?

What is the cheapest Illinois to Dublin flight route?

Fly from Chicago O'Hare Intl to Dublin for the best Illinois - Dublin flight prices

How far in advance should I book a flight to Dublin?

What cabin class options are available on Illinois to Dublin flights?

There are 3 cabin classes available to choose from on Illinois to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Dublin flights?

No. A direct flight is the cheapest option for a flight between Illinois to Dublin.

What is the cheapest airline that flies from Illinois to Dublin?

British Airways and United Airlines are the most popular carriers operating from Illinois to Dublin

What airlines fly to Dublin?

How many flights depart from Illinois to Dublin on average per day?

As of February 2026, 8 flights take off from Illinois and land in Dublin each day. The most common flight departure time for this route is 6:00PM, with 100% of daily flights taking off in the evening.

How many flights depart from Illinois to Dublin on average per week?

As of February 2026, 56 flights take off from Illinois and land in Dublin each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.

Cheap Illinois to Dublin flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Dublin

Best Price Found

Fastest flight time

Direct flights

Airports in Dublin

When did momondo last update prices for flights from Illinois to Dublin Airport?

How many operators does momondo search for flights from Illinois to Dublin Airport?

How old do you have to be to fly from Illinois to Dublin Airport?

What documentation or ID do you need to fly to Dublin Airport?

What is the most popular plane model from Illinois to Dublin?

Best airlines flying from Illinois to Dublin

Compare and see reviews for airlines that fly from Illinois to Dublin with momondo

Traveling to a place near Dublin?

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Dublin?

Can I find flights from Illinois to Dublin with flexible booking policies on momondo?

How can momondo help me find flights from Illinois to Dublin?

I’m not ready to book a flight from Illinois to Dublin right now. Can momondo alert me if prices change?

An easier way to manage your Dublin trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ireland

Airports servicing Ireland

Fly your favorite airline to Dublin

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Dublin

List of cabin classes available on flights landing in Dublin. Availability may vary depending on flight origin and airline.

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