Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Dublin to Chicago O'Hare Intl Airport from €268

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 6/9. 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

Discover deals from 900+ travel sites with momondo.

Voted the 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 Dublin to Chicago

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from Dublin to Chicago.
19:05 - 16:10DUB-ORD
27h 05m1 stop
19:15 - 18:15ORD-DUB
17h 00m1 stop
€337Scandinavian Airlines
Find Deal
Fri, 23 May - Thu, 29 May
19:05 - 16:10DUB-ORD
27h 05m1 stop
19:15 - 11:50ORD-DUB
34h 35m1 stop
€338Scandinavian Airlines
Find Deal
Mon, 8 Sep - Mon, 15 Sep
12:15 - 18:15DUB-ORD
12h 00m1 stop
19:25 - 13:15ORD-DUB
11h 50m1 stop
€405Icelandair
Find Deal
Wed, 10 Sep - Wed, 1 Oct
12:15 - 18:15DUB-ORD
12h 00m1 stop
22:15 - 11:05ORD-DUB
30h 50m1 stop
€419Icelandair
Find Deal
Fri, 9 May - Fri, 16 May
11:35 - 14:00DUB-ORD
8h 25mdirect
15:45 - 05:10ORD-DUB
7h 25mdirect
€462Aer Lingus
Find Deal
Mon, 8 Sep - Mon, 15 Sep
16:40 - 19:00DUB-ORD
8h 20mdirect
15:45 - 05:10ORD-DUB
7h 25mdirect
€463Aer Lingus
Find Deal
Sun, 27 Apr - Thu, 1 May
12:45 - 18:15DUB-ORD
11h 30m1 stop
17:00 - 09:50ORD-DUB
10h 50m1 stop
€464British Airways
Find Deal
Mon, 9 Jun - Thu, 31 Jul
08:45 - 15:55DUB-ORD
13h 10m1 stop
19:15 - 11:50ORD-DUB
10h 35m1 stop
€467British Airways
Find Deal
Mon, 7 Apr - Mon, 14 Apr
09:20 - 05:38DUB-ORD
26h 18m1 stop
20:15 - 09:45ORD-DUB
7h 30mdirect
€604United Airlines
Find Deal
Fri, 23 May - Mon, 26 May
09:50 - 19:30DUB-ORD
15h 40m1 stop
20:15 - 09:45ORD-DUB
7h 30mdirect
€609United Airlines
Find Deal
Mon, 14 Apr - Sun, 20 Apr

KLM flights from Dublin to Chicago O'Hare Intl Airport

Our best KLM deals on Dublin to Chicago O'Hare Intl Airport flight tickets
KLM
9 May
DUB05:55Dublin
14h 15m
1 stop
ORD14:10Chicago O'Hare Intl
16 May
ORD17:15Chicago O'Hare Intl
10h 45m
1 stop
DUB10:00Dublin
KLM
4 Apr
DUB08:55Dublin
11h 15m
1 stop
ORD14:10Chicago O'Hare Intl
11 Apr
ORD16:20Chicago O'Hare Intl
12h 05m
1 stop
DUB10:25Dublin
KLM
14 Apr
DUB17:20Dublin
27h 20m
1 stop
ORD14:40Chicago O'Hare Intl
21 Apr
ORD16:20Chicago O'Hare Intl
12h 05m
1 stop
DUB10:25Dublin

Aer Lingus flights from Dublin to Chicago O'Hare Intl Airport

Our best Aer Lingus deals on Dublin to Chicago O'Hare Intl Airport flight tickets
Aer Lingus
8 Apr
DUB16:40Dublin
8h 20m
ORD19:00Chicago O'Hare Intl
17 Apr
ORD21:15Chicago O'Hare Intl
7h 25m
DUB10:40Dublin
Aer Lingus
3 Apr
DUB16:40Dublin
8h 20m
ORD19:00Chicago O'Hare Intl
10 Apr
ORD21:15Chicago O'Hare Intl
7h 25m
DUB10:40Dublin
Aer Lingus
8 Sept
DUB11:35Dublin
8h 25m
ORD14:00Chicago O'Hare Intl
15 Sept
ORD15:45Chicago O'Hare Intl
7h 25m
DUB05:10Dublin

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, 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 €465. 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 €472.

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 €642. 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 €783.

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 €561. Flights to Chicago O'Hare Intl Airport are more costly in the morning, with an average ticket price of €698. 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 €550 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 €453 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 March 2025, prices for Dublin to Chicago O'Hare Intl Airport flights are approximately 15% 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

€268

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 €268. The best return flight deal from Dublin to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is €337.
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 €364Free CancellationRating
7.0
474 reviews
Search Icelandair flights
FinnairPriceFrom €372Free CancellationRating
7.6
1,266 reviews
Search Finnair flights
British AirwaysPriceFrom €372Free CancellationRating
6.6
6,712 reviews
Search British Airways flights
Aer LingusPriceFrom €375Free CancellationRating
7.0
1,062 reviews
Search Aer Lingus flights
United AirlinesPriceFrom €384Free CancellationRating
7.4
8,608 reviews
Search United Airlines flights
IberiaPriceFrom €462Free CancellationRating
7.0
2,648 reviews
Search Iberia flights
American AirlinesPriceFrom €472Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • American Airlines Flights From Dublin to Chicago O'Hare Intl Airport

    American Airlines flies from Dublin to Chicago O'Hare Intl Airport around 10 times per week, with 10,000 momondo users rating the airline 7.2/10. The cheapest American Airlines deal from Dublin to Chicago O'Hare Intl Airport in the last 72 hours was €510 (round-trip), much lower than the average airfare cost of €745 for American Airlines flights on this route.

  • Aer Lingus Flights From Dublin to Chicago O'Hare Intl Airport

    The best Aer Lingus deal for Dublin to Chicago O'Hare Intl Airport flight tickets found on momondo in the last 72 hours was €405, round-trip. It should be noted that an average Aer Lingus flight deal for this route in this time was higher, at €589 round-trip. Aer Lingus operates 7 flights out of Dublin into Chicago O'Hare Intl Airport in an average week, so prices vary by time and availability. 1,062 Aer Lingus reviews by users on momondo have scored the airline at 7.0/10.


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.


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 31/3
Mon 7/4

Find better results for your trip to Chicago