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Cheap flights from Dublin to Chicago from €306

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 departing on 19/10. 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 Logo
12:15 - 18:15DUB-ORD
12h 00m1 stop
Icelandair Logo
19:25 - 13:15ORD-DUB
11h 50m1 stop
€316Icelandair
Find Deal
Wed, 1 Oct - Wed, 8 Oct
Icelandair Logo
12:15 - 18:15DUB-ORD
12h 00m1 stop
Icelandair Logo
19:25 - 13:15ORD-DUB
11h 50m1 stop
€322Icelandair
Find Deal
Wed, 10 Sep - Wed, 1 Oct
Scandinavian Airlines Logo
10:45 - 17:45DUB-ORD
36h 00m2 stops
Scandinavian Airlines Logo
19:20 - 11:45ORD-DUB
34h 25m2 stops
€325Scandinavian Airlines
Find Deal
Fri, 31 Oct - Sat, 8 Nov
TAP AIR PORTUGAL Logo
18:50 - 16:10DUB-ORD
27h 20m1 stop
TAP AIR PORTUGAL Logo
18:10 - 10:00ORD-DUB
33h 50m1 stop
€327TAP AIR PORTUGAL
Find Deal
Thu, 21 Aug - Mon, 25 Aug
Icelandair Logo
12:15 - 21:15DUB-ORD
15h 00m1 stop
Icelandair Logo
19:25 - 13:15ORD-DUB
11h 50m1 stop
€328Icelandair
Find Deal
Wed, 27 Aug - Sun, 31 Aug
TAP AIR PORTUGAL Logo
05:30 - 16:40DUB-ORD
17h 10m1 stop
TAP AIR PORTUGAL Logo
18:00 - 18:05ORD-DUB
18h 05m1 stop
€331TAP AIR PORTUGAL
Find Deal
Mon, 25 Aug - Sun, 31 Aug
TAP AIR PORTUGAL Logo
05:30 - 16:30DUB-ORD
17h 00m1 stop
TAP AIR PORTUGAL Logo
18:15 - 00:05ORD-DUB
23h 50m1 stop
€332TAP AIR PORTUGAL
Find Deal
Sat, 23 Aug - Sat, 30 Aug
Icelandair Logo
14:15 - 21:15DUB-ORD
13h 00m1 stop
Icelandair Logo
19:25 - 13:15ORD-DUB
11h 50m1 stop
€333Icelandair
Find Deal
Thu, 28 Aug - Sun, 31 Aug
Scandinavian Airlines Logo
10:45 - 17:45DUB-ORD
36h 00m2 stops
Scandinavian Airlines Logo
19:20 - 11:45ORD-DUB
34h 25m1 stop
€340Scandinavian Airlines
Find Deal
Fri, 31 Oct - Sun, 2 Nov
Aer Lingus Logo
11:35 - 14:00DUB-ORD
8h 25mdirect
Aer Lingus Logo
21:15 - 10:40ORD-DUB
7h 25mdirect
€394Aer Lingus
Find Deal
Wed, 3 Sep - Sun, 14 Sep

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
1 Oct
DUB12:15Dublin
12h 00m
1 stop
ORD18:15Chicago O'Hare Intl
8 Oct
ORD19:25Chicago O'Hare Intl
11h 50m
1 stop
DUB13:15Dublin
Icelandair
10 Sept
DUB12:15Dublin
12h 00m
1 stop
ORD18:15Chicago O'Hare Intl
1 Oct
ORD19:25Chicago O'Hare Intl
11h 50m
1 stop
DUB13:15Dublin
Icelandair
27 Aug
DUB12:15Dublin
15h 00m
1 stop
ORD21:15Chicago O'Hare Intl
31 Aug
ORD19:25Chicago O'Hare Intl
11h 50m
1 stop
DUB13:15Dublin

Scandinavian Airlines flights from Dublin to Chicago O'Hare Intl Airport

Our best Scandinavian Airlines deals on Dublin to Chicago O'Hare Intl Airport flight tickets
Scandinavian Airlines
31 Oct
DUB10:45Dublin
36h 00m
2 stops
ORD17:45Chicago O'Hare Intl
8 Nov
ORD19:20Chicago O'Hare Intl
34h 25m
2 stops
DUB11:45Dublin
Scandinavian Airlines
31 Oct
DUB10:45Dublin
36h 00m
2 stops
ORD17:45Chicago O'Hare Intl
2 Nov
ORD19:20Chicago O'Hare Intl
34h 25m
1 stop
DUB11:45Dublin
Scandinavian Airlines
30 Oct
DUB19:05Dublin
27h 40m
1 stop
ORD17:45Chicago O'Hare Intl
3 Nov
ORD19:20Chicago O'Hare Intl
34h 25m
1 stop
DUB11:45Dublin

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 typical price of a round-trip flight between Dublin and Chicago O'Hare Intl Airport?

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

In general, February 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 €430. If you are unable to visit Chicago O'Hare Intl Airport during the month of February, then departing from Dublin during the month November is also very affordable. Most momondo users find prices during this month for around €439.

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 €612. 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 €690.

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 €517. Flights to Chicago O'Hare Intl Airport are more costly in the morning, with an average ticket price of €646. 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 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around €511 when searching weeks before you fly. 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 €416 on momondo.

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

There are 3 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.

Can stopping save me money on Dublin to Chicago O'Hare Intl Airport flights?

You could potentially save up to 25% on your flight if you consider stops on a Dublin to Chicago O'Hare Intl Airport flight.

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

As of June 2025, prices for Dublin to Chicago O'Hare Intl Airport flights are approximately 2% 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

€306

Fastest flight time

8h 25m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Dublin in the past 72 hours is €306. The best return flight deal from Dublin to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is €316.
The fastest flight from Dublin to Chicago O'Hare Intl Airport takes 8h 25m
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
British AirwaysPriceFrom €331Free CancellationRating
6.6
7,077 reviews
Search British Airways flights
IcelandairPriceFrom €335Free CancellationRating
7.0
510 reviews
Search Icelandair flights
FinnairPriceFrom €342Free CancellationRating
7.6
1,298 reviews
Search Finnair flights
Aer LingusPriceFrom €347Free CancellationRating
7.1
1,136 reviews
Search Aer Lingus flights
United AirlinesPriceFrom €431Free CancellationRating
7.4
8,844 reviews
Search United Airlines flights
American AirlinesPriceFrom €435Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • Finnair Flights From Dublin to Chicago O'Hare Intl Airport

    Finnair flies from Dublin to Chicago O'Hare Intl Airport around 7 times per week, with 1,298 momondo users rating the airline 7.6/10. The cheapest Finnair deal from Dublin to Chicago O'Hare Intl Airport in the last 72 hours was €401 (round-trip), much lower than the average airfare cost of €728 for Finnair flights on this route.

  • United Airlines Flights From Dublin to Chicago O'Hare Intl Airport

    The best United Airlines deal for Dublin to Chicago O'Hare Intl Airport flight tickets found on momondo in the last 72 hours was €505, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at €695 round-trip. United Airlines operates 7 flights out of Dublin into Chicago O'Hare Intl Airport in an average week, so prices vary by time and availability. 8,844 United Airlines reviews by users on momondo have scored the airline at 7.4/10.


Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Rosemont
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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