What’s the cheapest stopover airport for flights from Dublin to Chicago O'Hare Intl Airport?

Frankfurt am Main (FRA) is the most affordable one-stop option, with an average return flight price of £281.

What’s the top stopover airport for flights from Dublin to Chicago O'Hare Intl Airport?

Reykjavik (KEF) – chosen by Cheapflights users on 32% of one-stop itineraries from Dublin to Chicago O'Hare Intl Airport on Cheapflights.

What’s the fastest stopover option from Dublin to Chicago O'Hare Intl Airport?

Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 11h 25m.

Which airport typically offers the quickest stopover for flights from Dublin to Chicago O'Hare Intl Airport?

Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average stopover time of 1h 20m.

How long is the flight from Dublin to Chicago O'Hare Intl Airport?

A quick flight from Dublin to Chicago O'Hare Intl Airport can take about 21h 05m. Lufthansa provides one of the quickest options available for as low as £334. The distance between Dublin and Chicago O'Hare Intl Airport is about 3661 mi. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines flying from Dublin to Chicago O'Hare Intl Airport round-trip?

Currently priced at £293, Icelandair will fly you from Dublin to Chicago O'Hare Intl Airport and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Finnair - these airlines can fly you to your destination from £294 and £310, respectively. Icelandair is 33% cheaper than the average price of flights available within the next 90 days to this destination.

What is the cheapest day to fly from Dublin to Chicago O'Hare Intl Airport?

Travellers seeking maximum savings on their Dublin to Chicago O'Hare Intl Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Dublin to Chicago O'Hare Intl Airport

The most flights from DUB to ORD are scheduled on a Monday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 on average).

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

What are the cheapest flights from Dublin to Chicago O'Hare Intl Airport?

Looking for the cheapest flight from Dublin to Chicago O'Hare Intl Airport? While on average our users pay £1,010, our data indicates the cheapest price to be £299. The most popular route (Dublin - Chicago O'Hare Intl), is priced around £295.

What are the most reliable airlines from Dublin to Chicago O'Hare Intl Airport?

Before booking your flight to Chicago O'Hare Intl Airport from Dublin, check out the most reliable airlines to get you to your destination on time: Iberia (81%), American Airlines (78%), Aer Lingus( 78%).

What are the most popular airlines that fly from Dublin to Chicago O'Hare Intl Airport?

American Airlines, Finnair and British Airways are the most popular airlines when flying from Dublin to Chicago O'Hare Intl Airport.

What airport do you fly from for flights from Dublin to Chicago O'Hare Intl?

Located just 5.7 mi from the city center, Dublin is the airport most travelers will use when flying to Chicago O'Hare Intl from Dublin. Booking flights from Dublin (DUB) to Chicago O'Hare Intl should be relatively easy as there are 18 daily outbound flights to Chicago O'Hare Intl from 6 different airlines.

Can I find deals for flights from Dublin to O'Hare Intl that include hotel bookings?

Yes. In addition to deals on Dublin to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Dublin to O'Hare Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to O'Hare Intl.

Can I find deals for business class flights from Dublin to O'Hare Intl?

Yes. Cheapflights offers flight deals from Dublin to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£323+ Flights from Dublin to Chicago O'Hare Intl Airport

Cheapflights Tip: The best prices from Dublin to Chicago O'Hare Intl are usually found in September or February, booked 60 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Dublin to O'Hare Intl

Round-trip from	£323
Popular in	July
Cheapest in	September
Average price	£370
Good round-trip deal	£465 or less
Good one-way deal	£500 or less

Scandinavian Airlines
29/10-2/11
3 total stops
31h 50m total
Dublin to Chicago

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£58 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Price to beat on a round-trip flight from Dublin to Chicago O'Hare Intl.

Search Deals

Price to beat on a one-way flight from Dublin to Chicago O'Hare Intl.

Search Deals

Find flight deals from Dublin to O'Hare Intl

Cheapest flights from Dublin to O'Hare Intl
Explore the most affordable flight options available from Dublin to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Wed 29/1012:30DUB - ORD

1 stop13h 35mScandinavian Airlines

Sun 2/1119:20ORD - DUB

2 stops18h 15mScandinavian Airlines

Deal found 16/9£323

Wed 5/1111:45DUB - ORD

1 stop14h 20mMultiple Airlines

Tue 11/1118:35ORD - DUB

Nonstop7h 35mMultiple Airlines

Deal found 15/9£325

Fri 31/1011:55DUB - ORD

1 stop14h 10mMultiple Airlines

Fri 7/1118:35ORD - DUB

Nonstop7h 35mMultiple Airlines

Deal found 16/9£327

Wed 5/1105:10DUB - ORD

1 stop20h 55mLufthansa

Tue 11/1121:50ORD - DUB

1 stop13h 20mLufthansa

Deal found 15/9£329

Mon 3/1105:10DUB - ORD

1 stop14h 00mLufthansa

Sun 9/1118:35ORD - DUB

Nonstop7h 35mLufthansa

Deal found 16/9£334

Tue 23/909:20DUB - ORD

1 stop11h 35mAir Canada

Tue 7/1016:42ORD - DUB

1 stop9h 33mAir Canada

Deal found 15/9£334

Fri 31/1018:55DUB - ORD

2 stops27h 50mScandinavian Airlines

Fri 7/1119:20ORD - DUB

2 stops34h 00mScandinavian Airlines

Deal found 16/9£335

Tue 23/913:45DUB - ORD

Nonstop8h 00mAmerican Airlines

Tue 7/1022:35ORD - DUB

1 stop12h 30mAmerican Airlines

Deal found 15/9£336

Mon 13/1005:55DUB - ORD

1 stop15h 00mLufthansa

Tue 21/1020:20ORD - DUB

Nonstop7h 25mLufthansa

Deal found 15/9£337

Wed 15/1005:55DUB - ORD

1 stop15h 00mLufthansa

Wed 22/1020:20ORD - DUB

Nonstop7h 25mLufthansa

Deal found 16/9£337

Best flights from Dublin to O'Hare Intl
Discover carefully curated flight deals from Dublin to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2025.

Thu 6/1105:00DUB - ORD

1 stop21h 05mLufthansa

Wed 12/1118:35ORD - DUB

Nonstop7h 35mLufthansa

Deal found 16/9£334

Sun 21/1219:25DUB - ORD

1 stop24h 25mBritish Airways

Sun 4/120:45ORD - DUB

1 stop29h 10mBritish Airways

Deal found 16/9£334

Fri 31/1018:55DUB - ORD

2 stops27h 50mScandinavian Airlines

Fri 7/1119:20ORD - DUB

2 stops34h 00mScandinavian Airlines

Deal found 16/9£334

Fri 31/1005:10DUB - ORD

1 stop16h 10mMultiple Airlines

Tue 4/1118:50ORD - DUB

1 stop16h 55mMultiple Airlines

Deal found 15/9£335

Sun 2/1108:50DUB - ORD

1 stop11h 30mDelta

Mon 10/1117:08ORD - DUB

2 stops16h 37mDelta

Deal found 16/9£338

Fri 31/1009:25DUB - ORD

1 stop16h 40mLufthansa

Fri 7/1118:35ORD - DUB

Nonstop7h 35mLufthansa

Deal found 15/9£334

Sun 2/1105:10DUB - ORD

1 stop20h 55mMultiple Airlines

Sun 9/1118:50ORD - DUB

1 stop16h 55mMultiple Airlines

Deal found 15/9£335

Wed 29/1005:55DUB - ORD

1 stop14h 25mDelta

Tue 4/1117:20ORD - DUB

1 stop16h 25mDelta

Deal found 15/9£338

Mon 3/1105:10DUB - ORD

1 stop14h 00mLufthansa

Sun 9/1118:35ORD - DUB

Nonstop7h 35mLufthansa

Deal found 15/9£334

Wed 29/1009:10DUB - ORD

1 stop16h 55mLufthansa

Tue 4/1121:50ORD - DUB

1 stop13h 20mLufthansa

Deal found 16/9£337

Wed 15/1005:55DUB - ORD

1 stop15h 00mLufthansa

Wed 22/1020:20ORD - DUB

Nonstop7h 25mLufthansa

Deal found 16/9£337

Direct flights from Dublin to O'Hare Intl
Explore direct flight options from Dublin to O'Hare Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2025.

Wed 5/1111:30DUB - ORD

Nonstop8h 30mAer Lingus

Tue 11/1115:50ORD - DUB

Nonstop7h 20mAer Lingus

Deal found 15/9£337

Sat 13/1215:20DUB - ORD

Nonstop8h 35mAer Lingus

Fri 9/121:00ORD - DUB

Nonstop7h 20mAer Lingus

Deal found 16/9£339

Mon 13/1011:35DUB - ORD

Nonstop8h 25mAer Lingus

Tue 21/1021:15ORD - DUB

Nonstop7h 25mAer Lingus

Deal found 15/9£342

Fri 7/1110:40DUB - ORD

Nonstop8h 50mUnited Airlines

Thu 13/1118:35ORD - DUB

Nonstop7h 35mUnited Airlines

Deal found 15/9£348

Sat 1/1110:40DUB - ORD

Nonstop8h 50mUnited Airlines

Fri 7/1118:35ORD - DUB

Nonstop7h 35mUnited Airlines

Deal found 17/9£350

Sat 27/911:35DUB - ORD

Nonstop8h 00mLufthansa

Sat 4/1020:20ORD - DUB

Nonstop7h 25mLufthansa

Deal found 16/9£350

Sun 2/1110:40DUB - ORD

Nonstop8h 50mUnited Airlines

Sun 9/1118:35ORD - DUB

Nonstop7h 35mUnited Airlines

Deal found 15/9£390

Sat 27/911:35DUB - ORD

Nonstop8h 00mUnited Airlines

Wed 8/1020:20ORD - DUB

Nonstop7h 25mUnited Airlines

Deal found 15/9£393

Thu 2/1011:35DUB - ORD

Nonstop8h 00mUnited Airlines

Mon 6/1020:20ORD - DUB

Nonstop7h 25mUnited Airlines

Deal found 16/9£394

Sat 11/1011:35DUB - ORD

Nonstop8h 00mUnited Airlines

Sat 18/1020:20ORD - DUB

Nonstop7h 25mUnited Airlines

Deal found 17/9£437

Sat 1/1110:40DUB - ORD

Nonstop8h 50mLufthansa

Wed 5/1118:35ORD - DUB

Nonstop7h 35mLufthansa

Deal found 16/9£455

Last-minute flights from Dublin to O'Hare Intl
Discover last-minute flight deals from Dublin to O'Hare Intl. Data last updated 17 September 2025 and is based on user searches.

Tue 23/909:20DUB - ORD

1 stop11h 35mAir Canada

Tue 7/1016:42ORD - DUB

1 stop9h 33mAir Canada

Deal found 15/9£334

Tue 23/913:45DUB - ORD

Nonstop8h 00mAmerican Airlines

Tue 7/1022:35ORD - DUB

1 stop12h 30mAmerican Airlines

Deal found 15/9£336

Mon 13/1005:55DUB - ORD

1 stop15h 00mLufthansa

Tue 21/1020:20ORD - DUB

Nonstop7h 25mLufthansa

Deal found 15/9£337

Wed 15/1005:55DUB - ORD

1 stop15h 00mLufthansa

Wed 22/1020:20ORD - DUB

Nonstop7h 25mLufthansa

Deal found 16/9£337

Wed 29/1012:30DUB - ORD

1 stop13h 35mScandinavian Airlines

Sun 2/1119:20ORD - DUB

2 stops18h 15mScandinavian Airlines

Deal found 16/9£323

Wed 29/1005:55DUB - ORD

1 stop14h 25mDelta

Tue 4/1117:20ORD - DUB

1 stop16h 25mDelta

Deal found 15/9£338

Fri 31/1011:55DUB - ORD

1 stop14h 10mMultiple Airlines

Fri 7/1118:35ORD - DUB

Nonstop7h 35mMultiple Airlines

Deal found 16/9£327

Fri 31/1009:25DUB - ORD

1 stop16h 40mLufthansa

Fri 7/1118:35ORD - DUB

Nonstop7h 35mLufthansa

Deal found 15/9£334

Fri 31/1018:55DUB - ORD

2 stops27h 50mScandinavian Airlines

Fri 7/1119:20ORD - DUB

2 stops34h 00mScandinavian Airlines

Deal found 16/9£335

Fri 31/1005:55DUB - ORD

1 stop14h 25mDelta

Tue 4/1116:15ORD - DUB

2 stops17h 30mDelta

Deal found 15/9£340

One-way flights from Dublin to O'Hare Intl
Search for one-way flight options from Dublin to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 17 September 2025.

Sat 20/1211:30DUB - ORD

Nonstop8h 30mAer Lingus

Deal found 16/9£369

Tue 21/1010:40DUB - ORD

1 stop13h 38mJetBlue

Deal found 14/9£376

Mon 5/111:30DUB - ORD

2 stops18h 12mMultiple Airlines

Deal found 15/9£392

Tue 23/1206:00DUB - ORD

3 stops38h 30mMultiple Airlines

Deal found 16/9£393

Wed 15/1016:40DUB - ORD

Nonstop8h 20mAer Lingus

Deal found 16/9£403

Sat 18/1011:30DUB - ORD

1 stop12h 55mJetBlue

Deal found 16/9£404

Wed 12/1111:30DUB - ORD

Nonstop8h 30mAer Lingus

Deal found 16/9£413

Fri 6/216:40DUB - ORD

Nonstop8h 35mAer Lingus

Deal found 14/9£414

Sat 11/1011:30DUB - ORD

1 stop12h 55mJetBlue

Deal found 15/9£419

Mon 20/1012:45DUB - ORD

1 stop31h 05mBritish Airways

Deal found 14/9£427

Cheapflights Fare Finder

Use the filters below to find and compare flights from Dublin to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 6/11

05:00-20:05

1 stop21h 05m

Chicago O'Hare Intl

Wed 12/11

18:35-08:10

Nonstop7h 35m

£334

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 31/10

09:25-21:05

1 stop16h 40m

Chicago O'Hare Intl

Fri 7/11

18:35-08:10

Nonstop7h 35m

£334

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 3/11

05:10-13:10

1 stop14h 00m

Chicago O'Hare Intl

Sun 9/11

18:35-08:10

Nonstop7h 35m

£334

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 21/12

19:25-13:50

1 stop24h 25m

Chicago O'Hare Intl

Sun 4/1

20:45-07:55

1 stop29h 10m

£334

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 31/10

18:55-17:45

2 stops27h 50m

Chicago O'Hare Intl

Fri 7/11

19:20-11:20

2 stops34h 00m

£334

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 31/10

05:10-16:20

1 stop16h 10m

Chicago O'Hare Intl

Tue 4/11

18:50-17:45

1 stop16h 55m

£335

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 2/11

05:10-21:05

1 stop20h 55m

Chicago O'Hare Intl

Sun 9/11

18:50-17:45

1 stop16h 55m

£335

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 29/10

09:10-21:05

1 stop16h 55m

Chicago O'Hare Intl

Tue 4/11

21:50-17:10

1 stop13h 20m

£337

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 15/10

05:55-14:55

1 stop15h 00m

Chicago O'Hare Intl

Wed 22/10

20:20-09:45

Nonstop7h 25m

£337

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 2/11

08:50-14:20

1 stop11h 30m

Chicago O'Hare Intl

Mon 10/11

17:08-15:45

2 stops16h 37m

£338

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 22 results

Best time to book a flight from Dublin to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Dublin with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Dublin to Chicago O'Hare Intl Airport

Prices

Airlines

How far ahead should I book a flight from Dublin to Chicago O'Hare Intl Airport?

The best time to book flights from Dublin to Chicago O'Hare Intl Airport is 60 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Dublin to Chicago O'Hare Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Dublin to Chicago O'Hare Intl Airport (average of £595). Flying from Dublin to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £843). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DUB to ORD?

Unlike at midday, when flights are generally more expensive, you can save up to 9% on flights from Dublin to Chicago O'Hare Intl Airport by exploring options for tickets in the afternoon.

Reviews of airlines servicing O'Hare Intl

See what other customers who have flown with Finnair, United Airlines, andAer Lingus from Dublin to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Finnair

7.6

Good

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Finnair

7.6

Good

1,324 reviews

Finnair

7.6

Good

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

United Airlines

7.4

Good

8,924 reviews

Finnair

7.6

Good

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Aer Lingus

7.2

Good

1,274 reviews

Finnair

7.6

Good

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Icelandair

7.0

Good

544 reviews

Finnair

7.6

Good

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

British Airways

6.7

Okay

7,363 reviews

Finnair

7.6

Good

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Related info for your journey

What airport do you fly from for flights from Dublin to Chicago O'Hare Intl?
Located just 5.7 mi from the city center, Dublin is the airport most travelers will use when flying to Chicago O'Hare Intl from Dublin. Booking flights from Dublin (DUB) to Chicago O'Hare Intl should be relatively easy as there are 18 daily outbound flights to Chicago O'Hare Intl from 6 different airlines.
How long is the flight from Dublin to Chicago O'Hare Intl Airport?
A quick flight from Dublin to Chicago O'Hare Intl Airport can take about 21h 05m. Lufthansa provides one of the quickest options available for as low as £334. The distance between Dublin and Chicago O'Hare Intl Airport is about 3661 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Dublin to Chicago O'Hare Intl Airport round-trip?
Currently priced at £293, Icelandair will fly you from Dublin to Chicago O'Hare Intl Airport and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Finnair - these airlines can fly you to your destination from £294 and £310, respectively. Icelandair is 33% cheaper than the average price of flights available within the next 90 days to this destination.
What are the most reliable airlines from Dublin to Chicago O'Hare Intl Airport?
Before booking your flight to Chicago O'Hare Intl Airport from Dublin, check out the most reliable airlines to get you to your destination on time: Iberia (81%), American Airlines (78%), Aer Lingus( 78%).
What are the cheapest flights from Dublin to Chicago O'Hare Intl Airport?
Looking for the cheapest flight from Dublin to Chicago O'Hare Intl Airport? While on average our users pay £1,010, our data indicates the cheapest price to be £299. The most popular route (Dublin - Chicago O'Hare Intl), is priced around £295.
Can I find deals for flights from Dublin to O'Hare Intl that include hotel bookings?
Yes. In addition to deals on Dublin to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Dublin to O'Hare Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to O'Hare Intl.
Can I find deals for business class flights from Dublin to O'Hare Intl?
Yes. Cheapflights offers flight deals from Dublin to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Dublin to Chicago O'Hare Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Dublin to Chicago O'Hare Intl Airport (average of £595). Flying from Dublin to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £843). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Downers Grove

Elk Grove Village

Rosemont

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Dublin to O'Hare Intl

Dublin to Midway flights

Other flights to O'Hare Intl

Heathrow to O'Hare Intl flights

Edinburgh to O'Hare Intl flights

Chicago O'Hare Intl Airport to New York John F Kennedy Intl Airport flights

Chicago O'Hare Intl Airport to Orlando Airport flights

Chicago O'Hare Intl Airport to Atlanta flights

Chicago O'Hare Intl Airport to Las Vegas flights

Chicago O'Hare Intl Airport to Denver flights

Chicago O'Hare Intl Airport to Dallas/Fort Worth Airport flights

Chicago O'Hare Intl Airport to Miami flights

Chicago O'Hare Intl Airport to Minneapolis flights

Chicago O'Hare Intl Airport to Grand Rapids flights

Chicago O'Hare Intl Airport to San Francisco flights

Chicago O'Hare Intl Airport to St. Louis flights

Chicago O'Hare Intl Airport to Seattle flights

Chicago O'Hare Intl Airport to Los Angeles flights

Chicago O'Hare Intl Airport to Toronto Pearson Intl Airport flights

Chicago O'Hare Intl Airport to Boston flights

Chicago O'Hare Intl Airport to Des Moines flights

Chicago O'Hare Intl Airport to Lisbon flights

Chicago O'Hare Intl Airport to New York John F Kennedy Intl Airport flights

Top 6 airlines flying from Dublin to O'Hare Intl

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£293	Average£403	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£294	Average£479	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Finnair	Cheapest£310	Average£526	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Aer Lingus	Cheapest£338	Average£462	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
United Airlines	Cheapest£341	Average£632	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
American Airlines	Cheapest£446	Average£562	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Dublin to O'Hare Intl?

Deals for Dublin to O'Hare Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Dublin to O'Hare Intl?

Cheapflights helps you find that perfect flight to O'Hare Intl from Dublin by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Dublin to O'Hare Intl with no change fees?

Need flexible booking options for your flight to O'Hare Intl from Dublin? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Dublin to O'Hare Intl become cheaper?

Yes! Start tracking prices for Dublin to O'Hare Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Dublin to Chicago O'Hare Intl Airport from £323

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Dublin to Chicago O'Hare Intl are usually found in September or February, booked 60 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Dublin to O'Hare Intl

Round-trip from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Dublin to O'Hare Intl

Cheapest flights from Dublin to O'Hare IntlExplore the most affordable flight options available from Dublin to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Explore the most affordable flight options available from Dublin to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Dublin to Chicago O'Hare Intl Airport that are best for you.

Best time to book a flight from Dublin to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Dublin with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Dublin to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Dublin to Chicago O'Hare Intl Airport?

What is the cheapest month to book a flight from Dublin to Chicago O'Hare Intl Airport?

What is the cheapest time of day to fly from DUB to ORD?

Weekly flight availability from Dublin to Chicago O'Hare Intl Airport

What’s the top stopover airport for flights from Dublin to Chicago O'Hare Intl Airport?

What’s the fastest stopover option from Dublin to Chicago O'Hare Intl Airport?

What’s the fastest stopover option from Dublin to Chicago O'Hare Intl Airport?

Which airport typically offers the quickest stopover for flights from Dublin to Chicago O'Hare Intl Airport?

Reviews of airlines servicing O'Hare Intl

See what other customers who have flown with Finnair, United Airlines, andAer Lingus from Dublin to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dublin to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Dublin to Chicago O'Hare Intl?

How long is the flight from Dublin to Chicago O'Hare Intl Airport?

What are the cheapest airlines flying from Dublin to Chicago O'Hare Intl Airport round-trip?

What are the most reliable airlines from Dublin to Chicago O'Hare Intl Airport?

What are the cheapest flights from Dublin to Chicago O'Hare Intl Airport?

Can I find deals for flights from Dublin to O'Hare Intl that include hotel bookings?

How can I find direct flights from Dublin to O'Hare Intl?

Can I find deals for business class flights from Dublin to O'Hare Intl?

What is the cheapest month to book a flight from Dublin to Chicago O'Hare Intl Airport?

Travelling to a place near Chicago O'Hare Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dublin to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Dublin to O'Hare Intl

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Dublin to O'Hare Intl?

Why should you use Cheapflights to find cheap flight tickets from Dublin to O'Hare Intl?

Can Cheapflights find flights from Dublin to O'Hare Intl with no change fees?

Can Cheapflights notify me if prices for flights from Dublin to O'Hare Intl become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Dublin to O'Hare Intl
Explore the most affordable flight options available from Dublin to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.