Cheap flights from Ireland to Chicago

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How to find the cheapest flight from
Ireland to Chicago (CHI)

All the information you need to plan the best null to CHI flight in 2021: compare Ireland to Chicago flight prices with the expected peak season, weather and rainfall in Chicago.
How far in advance should I book a flight from Ireland to Chicago?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 32% on flights from Ireland to Chicago compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £378. For sooner than that we have options available in the next 3 days from £457.

What is the cheapest month to fly from Ireland to Chicago?

October is one of the best times of the year to fly to Chicago from Ireland. Prices for October average £354 per person but you can even find prices for as low as £248. The most expensive prices can be found in the month of July. Opting for a October flight can save you 33% on your journey compared to booking in October

Cheap flights from Ireland to Chicago in May, June 2021

The best prices found for Ireland to CHI flights in May, June
11 Jun - 8 Jul
£254pp
DUB
Dublin
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
DUB
Dublin
11 Jun - 3 Jul
£293pp
DUB
Dublin
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
DUB
Dublin
12 Jun - 3 Jul
£296pp
DUB
Dublin
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
DUB
Dublin

Ireland to Chicago 2021 flight deals

Cheap flights to Chicago from Ireland found for this year
28 Aug - 9 Sep
£224pp
DUB
Dublin
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
DUB
Dublin
11 Oct - 25 Oct
£231pp
DUB
Dublin
Air Canada
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
 
1 STOP
DUB
Dublin
11 Oct - 25 Oct
£233pp
DUB
Dublin
Air Canada
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
   
2 STOPS
DUB
Dublin

Direct flights to Chicago from Ireland

Save time with Ireland to Chicago direct flight deals
17 Sep - 22 Oct
£254pp
DUB
Dublin
Finnair
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Finnair
Direct
DUB
Dublin
7 Oct - 10 Oct
£255pp
DUB
Dublin
Finnair
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Finnair
Direct
DUB
Dublin
11 Oct - 25 Oct
£256pp
DUB
Dublin
Lufthansa
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Lufthansa
Direct
DUB
Dublin

Last-minute flights from Ireland to Chicago

Late deals on return flights to Chicago from Ireland, departing today and this week
22 May - 3 Jul
£304pp
DUB
Dublin
KLM
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
KLM
   
2 STOPS
DUB
Dublin
22 May - 3 Jul
£308pp
DUB
Dublin
Lufthansa
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Lufthansa
Direct
DUB
Dublin
22 May - 3 Jul
£311pp
DUB
Dublin
KLM
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
KLM
   
2 STOPS
DUB
Dublin

One-way flights to Chicago from Ireland

The cheapest one-way flights from Ireland to Chicago
10:05 - 19:40
Air France
2 stops
39h 35m
DUB - ORD
Air France
03:35 - 16:05
Multiple Airlines
3 stops
42h 30m
DUB - ORD
Multiple Airlines
£225
Gotogate
07:30 - 14:15
Lufthansa
1 stop
12h 45m
DUB - ORD
Lufthansa
£228
Lufthansa

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ireland</span> to <span class="emphasized">Chicago</span> flights.

Flight FAQs

From Ireland to Chicago

Are flight prices decreasing from Ireland to Chicago due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Ireland and Chicago for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Ireland to Chicago have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Ireland to Chicago that may be offering flexible cancellation policies are Aer Lingus, British Airways, and Icelandair. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Ireland to Chicago for under £283 on Cheapflights?

Yes, there are multiple flights from Ireland to Chicago for under £283. The cheapest flight booked recently is on TAP AIR PORTUGAL for just £224, but on average you can expect to pay £249.

Are there direct flights from Ireland to Chicago for under £283 on Cheapflights?

Cheapflights has 20 direct flights from Ireland to Chicago under £283. A good price for a direct flight from Ireland to Chicago is less than £689.

Are there last-minute flights available from Ireland to Chicago for under £354?

There are currently 7+ open flights from Ireland to Chicago within the next 7 days for less than £354.

What are the most popular airlines that fly from Ireland to Chicago?

American Airlines, Air Canada and Finnair are the most popular airlines when flying from Ireland to Chicago.

What are the cheapest flights from Ireland to Chicago?

While on average a flight from Ireland to Chicago is generally £713, our data shows the cheapest flight currently is £237. When looking at the most popular route, (Dublin - Chicago O'Hare Intl), you can expect to pay £234 for that flight.

What are the most reliable airlines from Ireland to Chicago?

Before booking your flight to Chicago from Ireland, have a look at the most reliable airlines to get you to your destination on time: Ethiopian Air (96%), Etihad Airways (82%), Aer Lingus( 82%).

How long does is the flight from Ireland to Chicago?

Finnair, American Airlines, and Aer Lingus can get you from Ireland to Chicago in just under 8h 15m. Your travel time will be generally consistent. All flights are typically direct.

What are the cheapest airlines to flying from Ireland to Chicago return?

According to our current data, TAP AIR PORTUGAL (£224), Air Canada (£232), and Finnair (£255) offers the cheapest pricing from Ireland to Chicago.

What are the cheapest airlines to fly from Ireland to Chicago one-way?

£151 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on Air France and Delta, with prices starting from £165 and £170, respectively.

Departure points for flights from Ireland to Chicago

Select to see more specific information for flights to Chicago from all departure points in Ireland.

Destination information for Chicago

Things to know before you go - useful duration and weather info for your trip from Ireland to Chicago.
Today's exchange rate
£1 = $1.42
Flight duration
7h 55m
Average temperature for May in Chicago
22.0 °C
Avg rainfall for May in Chicago
109.0 mm

Airports servicing

Dublin (DUB)
Galway (GWY)
Knock (NOC)
Cork (ORK)
Shannon (SNN)

Airports servicing Chicago

Chicago Midway (MDW)
Rockford (RFD)

Top 10 airlines flying from Ireland to Chicago

The chart below displays the airlines Cheapflights users travelling from Ireland to Chicago choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Delta
£367 £413 No cancel fee N/A
Search Delta flights
Icelandair
£386 £489 No cancel fee 76%
Search Icelandair flights
Air Canada
£380 £536 No cancel fee 67%
Search Air Canada flights
Aer Lingus
£393 £585 No cancel fee N/A
Search Aer Lingus flights
American Airlines
£520 £618 No cancel fee 71%
Search American Airlines flights
United Airlines
£396 £639 No cancel fee 69%
Search United Airlines flights
Lufthansa
£428 £652 No cancel fee 76%
Search Lufthansa flights
Finnair
£415 £681 No cancel fee 76%
Search Finnair flights
British Airways
£408 £726 No cancel fee 70%
Search British Airways flights
Iberia
£749 £832 No cancel fee 77%
Search Iberia flights
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