Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ireland to Chicago O'Hare Intl Airport from £272

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Chicago O'Hare Intl Airport departing on 5/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

Voted winner of Europe's Best Travel App 2023
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Ireland to Chicago

Cheap return flights

Recommended return deals departing in the coming months from the most popular airlines that fly to Chicago.

Cheap one-way flights

Only flying one-way? Below are some of the best one-way flight deals to Chicago found on KAYAK recently.

Cheap last-minute flights

Leaving soon but still want a bargain? Check out these latest deals for last minute flights to Chicago.

Cheap direct flights

The latest deals for direct flights to Chicago so you can sit back and relax without the need for a stopover.

Cheap bus & train deals to Chicago

Find recent return train or bus tickets from Ireland to Chicago.

All return flight deals from Ireland to Chicago

The cheapest plane tickets from Ireland to Chicago found on KAYAK recently.
11:30 - 17:20DUB-ORD
11h 50m1 stop
19:30 - 10:15ORD-DUB
9h 45m1 stop
£272Icelandair
Find Deal
Wed, 5 Mar - Mon, 10 Mar
05:55 - 14:30DUB-ORD
14h 35m1 stop
18:20 - 15:40ORD-DUB
16h 20m1 stop
Wed, 5 Mar - Mon, 10 Mar
08:35 - 15:55DUB-ORD
13h 20m1 stop
17:17 - 14:25ORD-DUB
15h 08m2 stops
£342British Airways
Find Deal
Fri, 2 May - Sat, 10 May
13:00 - 19:45DUB-ORD
11h 45m1 stop
16:40 - 12:05ORD-DUB
14h 25m2 stops
£365British Airways
Find Deal
Mon, 17 Mar - Tue, 25 Mar
11:35 - 14:00DUB-ORD
8h 25mdirect
15:45 - 05:10ORD-DUB
7h 25mdirect
£458Aer Lingus
Find Deal
Fri, 23 May - Mon, 26 May
13:55 - 15:55DUB-ORD
8h 00mdirect
22:25 - 11:40ORD-DUB
7h 15mdirect
£513Finnair
Find Deal
Fri, 27 Jun - Mon, 28 Jul
09:50 - 08:55DUB-ORD
29h 05m1 stop
20:15 - 09:45ORD-DUB
7h 30mdirect
£515United Airlines
Find Deal
Mon, 14 Apr - Sun, 20 Apr
09:00 - 21:28DUB-ORD
18h 28m2 stops
13:55 - 06:10ORD-DUB
35h 15m2 stops
£517United Airlines
Find Deal
Fri, 7 Mar - Fri, 14 Mar
09:40 - 17:50DUB-ORD
14h 10m1 stop
22:20 - 11:40ORD-DUB
7h 20mdirect
£522Finnair
Find Deal
Thu, 22 May - Thu, 21 Aug
15:20 - 18:55DUB-ORD
8h 35mdirect
20:40 - 09:00ORD-DUB
7h 20mdirect
£556Aer Lingus
Find Deal
Tue, 11 Mar - Mon, 24 Mar
16:55 - 15:30DUB-ORD
28h 35m1 stop
£352TAP AIR PORTUGAL
Find Deal
Tue, 18 Feb
05:30 - 16:30DUB-ORD
17h 00m1 stop
£355TAP AIR PORTUGAL
Find Deal
Sat, 19 Apr
11:30 - 17:20DUB-ORD
11h 50m1 stop
£357Icelandair
Find Deal
Mon, 24 Feb
10:55 - 11:10DUB-ORD
29h 15m1 stop
£455Turkish Airlines
Find Deal
Wed, 19 Mar
08:35 - 17:43DUB-ORD
15h 08m2 stops
£481British Airways
Find Deal
Fri, 18 Apr
16:40 - 19:15DUB-ORD
8h 35mdirect
£515Aer Lingus
Find Deal
Tue, 18 Feb
10:30 - 06:51DUB-ORD
26h 21m2 stops
£516British Airways
Find Deal
Sat, 19 Apr
13:55 - 15:55DUB-ORD
8h 00mdirect
£527Finnair
Find Deal
Mon, 7 Jul
13:55 - 15:55DUB-ORD
8h 00mdirect
£530Finnair
Find Deal
Fri, 27 Jun
15:20 - 18:55DUB-ORD
8h 35mdirect
£561Aer Lingus
Find Deal
Mon, 24 Mar
04:25 - 07:44DUB-ORD
33h 19m2 stops
15:15 - 16:10ORD-DUB
18h 55m2 stops
£940TAP AIR PORTUGAL
Find Deal
Sun, 26 Jan - Mon, 3 Feb
11:35 - 14:00DUB-ORD
8h 25mdirect
15:45 - 05:10ORD-DUB
7h 25mdirect
£458Aer Lingus
Find Deal
Fri, 23 May - Mon, 26 May
11:30 - 14:00DUB-ORD
8h 30mdirect
16:55 - 05:15ORD-DUB
7h 20mdirect
£465American Airlines
Find Deal
Wed, 5 Mar - Mon, 10 Mar
13:55 - 15:55DUB-ORD
8h 00mdirect
22:25 - 11:40ORD-DUB
7h 15mdirect
£513Finnair
Find Deal
Fri, 27 Jun - Mon, 28 Jul
13:55 - 15:55DUB-ORD
8h 00mdirect
22:15 - 11:40ORD-DUB
7h 25mdirect
£529Finnair
Find Deal
Fri, 6 Jun - Fri, 13 Jun
11:35 - 13:35DUB-ORD
8h 00mdirect
20:15 - 09:45ORD-DUB
7h 30mdirect
Mon, 14 Apr - Sun, 20 Apr
11:35 - 13:35DUB-ORD
8h 00mdirect
20:15 - 09:45ORD-DUB
7h 30mdirect
£568United Airlines
Find Deal
Wed, 25 Jun - Thu, 10 Jul
11:35 - 13:35DUB-ORD
8h 00mdirect
20:15 - 09:45ORD-DUB
7h 30mdirect
£576United Airlines
Find Deal
Wed, 25 Jun - Wed, 9 Jul
11:35 - 13:35DUB-ORD
8h 00mdirect
20:15 - 09:45ORD-DUB
7h 30mdirect
£646Brussels Airlines
Find Deal
Tue, 24 Jun - Wed, 9 Jul
13:55 - 15:55DUB-ORD
8h 00mdirect
22:25 - 11:40ORD-DUB
7h 15mdirect
Wed, 25 Jun - Fri, 11 Jul
11:35 - 13:35DUB-ORD
8h 00mdirect
20:15 - 09:45ORD-DUB
7h 30mdirect
£686Brussels Airlines
Find Deal
Wed, 25 Jun - Tue, 8 Jul

United Airlines flights from Ireland to Chicago O'Hare Intl Airport

Our best United Airlines deals on Ireland to Chicago O'Hare Intl Airport flight tickets
United Airlines
27 Jan
DUB09:00Dublin
13h 48m
2 stops
ORD16:48Chicago O'Hare Intl
3 Feb
ORD12:51Chicago O'Hare Intl
12h 09m
1 stop
DUB07:00Dublin
United Airlines
14 Apr
DUB09:50Dublin
29h 05m
1 stop
ORD08:55Chicago O'Hare Intl
20 Apr
ORD20:15Chicago O'Hare Intl
7h 30m
DUB09:45Dublin
United Airlines
7 Mar
DUB09:00Dublin
18h 28m
2 stops
ORD21:28Chicago O'Hare Intl
14 Mar
ORD13:55Chicago O'Hare Intl
35h 15m
2 stops
DUB06:10Dublin

Delta flights from Ireland to Chicago O'Hare Intl Airport

Our best Delta deals on Ireland to Chicago O'Hare Intl Airport flight tickets
Delta
10 Feb
DUB05:55Dublin
14h 35m
1 stop
ORD14:30Chicago O'Hare Intl
17 Feb
ORD13:40Chicago O'Hare Intl
20h 00m
2 stops
DUB15:40Dublin
Delta
5 Mar
DUB05:55Dublin
14h 35m
1 stop
ORD14:30Chicago O'Hare Intl
10 Mar
ORD17:00Chicago O'Hare Intl
17h 40m
2 stops
DUB15:40Dublin
Delta
6 Mar
DUB08:55Dublin
12h 10m
1 stop
ORD15:05Chicago O'Hare Intl
11 Mar
ORD18:15Chicago O'Hare Intl
16h 25m
2 stops
DUB15:40Dublin

See travel insights to Chicago from

How to get the cheapest flight ticket from Ireland to Chicago O'Hare Intl Airport

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

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The cheapest month to fly to Chicago O'Hare Intl Airport from Ireland is in April. Flight prices, which tend to average around £405, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Chicago O'Hare Intl Airport from Ireland during February instead. Flights to Chicago O'Hare Intl Airport in February, while not as cheap as those in April, still average around £408.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart from Ireland to Chicago O'Hare Intl Airport is on a Tuesday. Travellers who choose to depart for Chicago O'Hare Intl Airport on a Tuesday will often find tickets for as low as £410. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Chicago O'Hare Intl Airport on Sunday is £614.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest time of day to fly to Chicago O'Hare Intl Airport is in the evening when flights can be purchased for as low as £545. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is at midday when prices are around £669.

What is the cheapest Ireland to Chicago O'Hare Intl flight route?

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

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Ireland when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around £473 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Ireland for as low as £399 on momondo.

What cabin class options are available on Ireland to Chicago O'Hare Intl flights?

There are 3 cabin classes available to choose from on Ireland to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Ireland to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Chicago O'Hare Intl Airport

Best price found

£352

Fastest flight time

8h 00m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Ireland in the past 72 hours is £352. The best return flight deal from Ireland to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is £272.
The fastest flight from Ireland to Chicago O'Hare Intl Airport takes 8h 00m
Direct flights go from Ireland to Chicago O'Hare Intl Airport every day.

  • When did momondo last update prices for flights from Ireland to Chicago O'Hare Intl Airport?

    Prices for flights from Ireland to Chicago O'Hare Intl Airport are updated daily.

  • How many operators does momondo search for flights from Ireland to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Ireland to Chicago O'Hare Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The required travel and health documents for your Chicago O'Hare Intl 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 Chicago O'Hare Intl 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 Ireland to Chicago O'Hare Intl Airport?


Best airlines flying from Ireland to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Ireland to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £282Free CancellationRating
7.1
502 reviews
Search Icelandair flights
British AirwaysPriceFrom £315Free CancellationRating
6.6
6,834 reviews
Search British Airways flights
United AirlinesPriceFrom £318Free CancellationRating
7.4
8,985 reviews
Search United Airlines flights
KLMPriceFrom £321Free CancellationRating
7.8
1,341 reviews
Search KLM flights
Aer LingusPriceFrom £329Free CancellationRating
7.1
1,082 reviews
Search Aer Lingus flights
IberiaPriceFrom £411Free CancellationRating
7.0
2,646 reviews
Search Iberia flights
FinnairPriceFrom £517Free CancellationRating
7.6
1,286 reviews
Search Finnair flights

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Schaumburg
Northbrook
Itasca
Rosemont
Evanston
Glenview
Des Plaines
Lake Geneva
Joliet
Skokie
Oak Brook
Elgin
Lincolnshire
Oakbrook Terrace

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Chicago?

Finding the right flight to Chicago from Ireland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

Can I find flights from Ireland to Chicago with flexible booking policies on momondo?

momondo does allow users to show only those flights to Chicago from Ireland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ireland to Chicago?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ireland to Chicago.

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

Price alerts on flights to Chicago from Ireland 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 Chicago O'Hare Intl Airport trip

We make it super easy to schedule, organise 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.
1 adult
From?
To?
Mon 27/1
Mon 3/2
Email me momondo's favourite deals

Find better results for your trip to Chicago