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Cheap flights from Dublin to Chicago O'Hare Intl Airport from €340

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Chicago O'Hare Intl Airport departing on 13/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Dublin to Chicago

Cheap return flights

These are some of the best return flight deals from Dublin to Chicago that have been recently found on momondo from popular airlines, departing in the coming months.
10:20 - 17:50DUB-ORD
13h 30m1 stop
20:05 - 18:15ORD-DUB
16h 10m1 stop
€369Scandinavian Airlines
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Sat, 1 Mar - Sun, 30 Mar
10:20 - 17:50DUB-ORD
13h 30m1 stop
20:05 - 18:15ORD-DUB
16h 10m1 stop
€372Scandinavian Airlines
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Sat, 1 Mar - Sun, 30 Mar
11:30 - 17:20DUB-ORD
11h 50m1 stop
19:30 - 10:15ORD-DUB
9h 45m1 stop
€413Icelandair
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Thu, 6 Mar - Mon, 10 Mar
11:30 - 18:20DUB-ORD
11h 50m1 stop
19:30 - 10:15ORD-DUB
9h 45m1 stop
€438Icelandair
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Mon, 10 Mar - Wed, 26 Mar
11:45 - 17:40DUB-ORD
11h 55m1 stop
22:20 - 19:20ORD-DUB
15h 00m1 stop
€470British Airways
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Fri, 4 Apr - Fri, 11 Apr
11:30 - 14:00DUB-ORD
8h 30mdirect
20:40 - 09:00ORD-DUB
7h 20mdirect
€476Aer Lingus
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Thu, 6 Mar - Mon, 10 Mar
10:30 - 17:00DUB-ORD
12h 30m1 stop
17:45 - 11:55ORD-DUB
12h 10m1 stop
€477British Airways
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Sat, 5 Apr - Sat, 12 Apr
15:20 - 17:55DUB-ORD
8h 35mdirect
20:40 - 09:00ORD-DUB
7h 20mdirect
€481Aer Lingus
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Sat, 1 Mar - Mon, 10 Mar
11:50 - 23:09DUB-ORD
17h 19m2 stops
14:24 - 10:05ORD-DUB
13h 41m1 stop
€528United Airlines
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Tue, 4 Mar - Wed, 5 Nov
11:50 - 18:37DUB-ORD
11h 47m1 stop
15:45 - 07:00ORD-DUB
10h 15m1 stop
€578United Airlines
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Fri, 14 Mar - Mon, 17 Mar

Icelandair flights from Dublin to Chicago O'Hare Intl Airport

Our best Icelandair deals on Dublin to Chicago O'Hare Intl Airport flight tickets
Icelandair
6 Mar
DUB11:30Dublin
11h 50m
1 stop
ORD17:20Chicago O'Hare Intl
10 Mar
ORD19:30Chicago O'Hare Intl
9h 45m
1 stop
DUB10:15Dublin
Icelandair
25 Feb
DUB11:30Dublin
11h 50m
1 stop
ORD17:20Chicago O'Hare Intl
4 Mar
ORD18:30Chicago O'Hare Intl
9h 45m
1 stop
DUB10:15Dublin
Icelandair
1 Mar
DUB11:30Dublin
11h 50m
1 stop
ORD17:20Chicago O'Hare Intl
10 Mar
ORD19:30Chicago O'Hare Intl
9h 45m
1 stop
DUB10:15Dublin

British Airways flights from Dublin to Chicago O'Hare Intl Airport

Our best British Airways deals on Dublin to Chicago O'Hare Intl Airport flight tickets
British Airways
4 Apr
DUB11:45Dublin
11h 55m
1 stop
ORD17:40Chicago O'Hare Intl
11 Apr
ORD22:20Chicago O'Hare Intl
15h 00m
1 stop
DUB19:20Dublin
British Airways
5 Apr
DUB10:30Dublin
12h 30m
1 stop
ORD17:00Chicago O'Hare Intl
12 Apr
ORD17:45Chicago O'Hare Intl
12h 10m
1 stop
DUB11:55Dublin
British Airways
3 Mar
DUB13:00Dublin
11h 45m
1 stop
ORD18:45Chicago O'Hare Intl
10 Mar
ORD22:45Chicago O'Hare Intl
15h 50m
1 stop
DUB19:35Dublin

See travel insights to Chicago from

How to get the cheapest flight ticket from Dublin 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?

In general, November is the cheapest month to fly from Dublin to Chicago O'Hare Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €447. If you are unable to visit Chicago O'Hare Intl Airport during the month of November, then departing from Dublin during the month April is also very affordable. Most momondo users find prices during this month for around €470.

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

On average, the least expensive day to fly to Chicago O'Hare Intl Airport from Dublin is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as €609. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Chicago O'Hare Intl Airport is Sunday, with ticket prices averaging around €825.

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

Our data shows that the cheapest Dublin to Chicago O'Hare Intl Airport flights are usually those with departure times in the evening. Our users have found flights to Chicago O'Hare Intl Airport in the evening for as low as €580. Flights to Chicago O'Hare Intl Airport are more costly in the morning, with an average ticket price of €721. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

Fly from Dublin to Chicago O'Hare Intl for the best Dublin - 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 Dublin when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around €555 when searching 19 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 Dublin for as low as €447 on momondo.

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

There are 2 cabin classes available to choose from on Dublin 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.

How have Dublin to Chicago O'Hare Intl Airport flight prices changed over time?

As of February 2025, prices for Dublin to Chicago O'Hare Intl Airport flights are approximately 5% more expensive when compared to flights at the same time last year.

When to book flights from Dublin to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Dublin to Chicago O'Hare Intl Airport (DUB to ORD) flight deals and tips

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

Best price found

€340

Fastest flight time

8h 00m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Dublin in the past 72 hours is €340. The best return flight deal from Dublin to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is €369.
The fastest flight from Dublin to Chicago O'Hare Intl Airport takes 8h 00m
Direct flights go from Dublin to Chicago O'Hare Intl Airport every day.

  • How far is Dublin to Chicago O'Hare Intl by plane?

    Chicago O'Hare Intl is 5895.0 km away from Dublin. In terms of flight time, this usually takes a little over 8h 00m.

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

    Prices for flights from Dublin Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dublin Airport to Chicago O'Hare Intl Airport.

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

    The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Dublin to Chicago O'Hare Intl Airport?

  • What is the most popular airline from Dublin to Chicago O'Hare Intl Airport?


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

Compare and see reviews for airlines that fly from Dublin to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom €362Free CancellationRating
7.0
491 reviews
Search Icelandair flights
British AirwaysPriceFrom €372Free CancellationRating
6.6
6,766 reviews
Search British Airways flights
Aer LingusPriceFrom €382Free CancellationRating
7.1
1,070 reviews
Search Aer Lingus flights
FinnairPriceFrom €384Free CancellationRating
7.6
1,274 reviews
Search Finnair flights
United AirlinesPriceFrom €397Free CancellationRating
7.4
8,771 reviews
Search United Airlines flights
IberiaPriceFrom €445Free CancellationRating
7.0
2,638 reviews
Search Iberia flights
  • Aer Lingus Flights From Dublin to Chicago O'Hare Intl Airport

    Aer Lingus flies from Dublin to Chicago O'Hare Intl Airport around 7 times per week, with 1,070 momondo users rating the airline 7.1/10. The cheapest Aer Lingus deal from Dublin to Chicago O'Hare Intl Airport in the last 72 hours was €399 (round-trip), much lower than the average airfare cost of €581 for Aer Lingus flights on this route.

  • British Airways Flights From Dublin to Chicago O'Hare Intl Airport

    The best British Airways deal for Dublin to Chicago O'Hare Intl Airport flight tickets found on momondo in the last 72 hours was €389, round-trip. It should be noted that an average British Airways flight deal for this route in this time was higher, at €591 round-trip. British Airways operates 7 flights out of Dublin into Chicago O'Hare Intl Airport in an average week, so prices vary by time and availability. 6,766 British Airways reviews by users on momondo have scored the airline at 6.6/10.


Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Rosemont
Schaumburg
Elk Grove Village

Why use momondo?

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

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

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

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

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

momondo provides multiple filters to help you find the best flight to Chicago from Dublin. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Dublin to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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