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Cheap flights from Dublin to Chicago from $437

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 12/24. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
11:30 am - 5:20 pmDUB-ORD
11h 50m1 stop
Icelandair Logo
6:30 pm - 10:15 amORD-DUB
9h 45m1 stop
$451Icelandair
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Thu, Dec 11 - Sun, Dec 14
Lufthansa Logo
9:10 am - 8:05 pmDUB-ORD
16h 55m1 stop
Lufthansa Logo
6:35 pm - 8:10 amORD-DUB
7h 35mnonstop
$452Lufthansa
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Wed, Dec 10 - Fri, Jan 30
Multiple Airlines Logo
8:50 am - 3:25 pmDUB-ORD
12h 35m1 stop
Multiple Airlines Logo
9:45 pm - 2:20 pmORD-DUB
10h 35m1 stop
$453Multiple Airlines
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Fri, Feb 13 - Fri, Feb 20
Multiple Airlines Logo
9:00 am - 3:10 pmDUB-ORD
12h 10m1 stop
Multiple Airlines Logo
6:35 pm - 8:10 amORD-DUB
7h 35mnonstop
$454Multiple Airlines
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Sun, Nov 9 - Sun, Nov 16
Scandinavian Airlines Logo
7:05 pm - 4:45 pmDUB-ORD
27h 40m1 stop
Scandinavian Airlines Logo
7:20 pm - 6:10 pmORD-DUB
16h 50m2 stops
$456Scandinavian Airlines
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Thu, Nov 20 - Thu, Nov 27
Scandinavian Airlines Logo
12:30 pm - 4:45 pmDUB-ORD
34h 15m1 stop
Scandinavian Airlines Logo
7:20 pm - 7:35 pmORD-DUB
18h 15m2 stops
$462Scandinavian Airlines
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Wed, Nov 26 - Sun, Nov 30
United Airlines Logo
9:00 am - 3:10 pmDUB-ORD
12h 10m1 stop
United Airlines Logo
6:35 pm - 8:10 amORD-DUB
7h 35mnonstop
$464United Airlines
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Sat, Nov 22 - Sun, Nov 30
United Airlines Logo
9:00 am - 10:02 amDUB-ORD
31h 02m1 stop
United Airlines Logo
6:35 pm - 8:10 amORD-DUB
7h 35mnonstop
$465United Airlines
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Mon, Dec 8 - Fri, Jan 30
Aer Lingus Logo
11:30 am - 2:00 pmDUB-ORD
8h 30mnonstop
Aer Lingus Logo
3:50 pm - 5:10 amORD-DUB
7h 20mnonstop
$500Aer Lingus
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Wed, Dec 10 - Sun, Dec 14
Aer Lingus Logo
4:40 pm - 7:15 pmDUB-ORD
8h 35mnonstop
Aer Lingus Logo
3:50 pm - 5:10 amORD-DUB
7h 20mnonstop
$502Aer Lingus
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Sun, Feb 22 - Wed, Mar 4

Lufthansa flights from Dublin to Chicago

Our best Lufthansa deals on Dublin to Chicago flight tickets
Lufthansa
Dec 10
DUB9:10 amDublin
16h 55m
1 stop
ORD8:05 pmChicago O'Hare Intl
Jan 30
ORD6:35 pmChicago O'Hare Intl
7h 35m
DUB8:10 amDublin
$452
Find similar
Lufthansa
Nov 7
DUB10:40 amDublin
8h 50m
ORD1:30 pmChicago O'Hare Intl
Nov 14
ORD6:35 pmChicago O'Hare Intl
7h 35m
DUB8:10 amDublin
$459
Find similar
Lufthansa
Dec 10
DUB11:45 amDublin
14h 20m
1 stop
ORD8:05 pmChicago O'Hare Intl
Jan 31
ORD4:20 pmChicago O'Hare Intl
12h 55m
1 stop
DUB11:15 amDublin
$460
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Scandinavian Airlines flights from Dublin to Chicago

Our best Scandinavian Airlines deals on Dublin to Chicago flight tickets
Scandinavian Airlines
Nov 20
DUB7:05 pmDublin
27h 40m
1 stop
ORD4:45 pmChicago O'Hare Intl
Nov 27
ORD7:20 pmChicago O'Hare Intl
16h 50m
2 stops
DUB6:10 pmDublin
$456
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Scandinavian Airlines
Nov 26
DUB12:30 pmDublin
34h 15m
1 stop
ORD4:45 pmChicago O'Hare Intl
Nov 30
ORD7:20 pmChicago O'Hare Intl
18h 15m
2 stops
DUB7:35 pmDublin
$462
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Scandinavian Airlines
Nov 12
DUB11:30 amDublin
35h 15m
2 stops
ORD4:45 pmChicago O'Hare Intl
Nov 16
ORD7:20 pmChicago O'Hare Intl
18h 15m
2 stops
DUB7:35 pmDublin
$474
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momondo Fare Finder

 
Customize your flight search to find flights from Dublin to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from Dublin to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 12/11

11:30 am-5:20 pm

1 stop11h 50m

Chicago O'Hare Intl

Sun 12/14

6:30 pm-10:15 am

1 stop9h 45m

$451

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 12/10

9:10 am-8:05 pm

1 stop16h 55m

Chicago O'Hare Intl

Fri 1/30

6:35 pm-8:10 am

Nonstop7h 35m

$452

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 2/13

8:50 am-3:25 pm

1 stop12h 35m

Chicago O'Hare Intl

Fri 2/20

9:45 pm-2:20 pm

1 stop10h 35m

$453

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 11/9

9:00 am-3:10 pm

1 stop12h 10m

Chicago O'Hare Intl

Sun 11/16

6:35 pm-8:10 am

Nonstop7h 35m

$454

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 11/20

7:05 pm-4:45 pm

1 stop27h 40m

Chicago O'Hare Intl

Thu 11/27

7:20 pm-6:10 pm

2 stops16h 50m

$456

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 11/26

12:30 pm-4:45 pm

1 stop34h 15m

Chicago O'Hare Intl

Sun 11/30

7:20 pm-7:35 pm

2 stops18h 15m

$462

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 11/22

9:00 am-3:10 pm

1 stop12h 10m

Chicago O'Hare Intl

Sun 11/30

6:35 pm-8:10 am

Nonstop7h 35m

$464

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 12/8

9:00 am-10:02 am

1 stop31h 02m

Chicago O'Hare Intl

Fri 1/30

6:35 pm-8:10 am

Nonstop7h 35m

$465

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 12/10

11:30 am-2:00 pm

Nonstop8h 30m

Chicago O'Hare Intl

Sun 12/14

3:50 pm-5:10 am

Nonstop7h 20m

$500

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 2/22

4:40 pm-7:15 pm

Nonstop8h 35m

Chicago O'Hare Intl

Wed 3/4

3:50 pm-5:10 am

Nonstop7h 20m

$502

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from Dublin to Chicago

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?

What is the cheapest month to fly to Chicago?

The month of September is, on average, the cheapest month to fly to Chicago from Dublin, with most prices found around $486. If you’re not able to fly to Chicago in September, then January is your next best option. Flight prices from Dublin to Chicago during January average around $511.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Sunday when prices can be found for as low as $665. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to Chicago for around $808.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the afternoon. Flights from Dublin to Chicago during this time can be as low as $691. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $817.

What is the cheapest Dublin to Chicago flight route?

Fly from Dublin to Chicago O'Hare Intl for the best Dublin - Chicago flight prices

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $603 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Dublin for as low as $535 on momondo.

What cabin class options are available on Dublin to Chicago flights?

There are 3 cabin classes available to choose from on Dublin to Chicago 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 flights?

You could potentially save up to 24% on your flight if you consider stops on a Dublin to Chicago flight.

How have Dublin to Chicago flight prices changed over time?

As of October 2025, prices for Dublin to Chicago flights are approximately 9% cheaper when compared to flights at the same time last year.

When to book flights from Dublin to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Dublin to Chicago (DUB to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Chicago

Best Price Found

$519

Fastest flight time

8h 20m

Direct flights

Every day

Airports in Chicago

1 airport
The best one-way flight to Chicago from Dublin in the past 72 hours is $519. The best round-trip flight deal from Dublin to Chicago found on momondo in the last 72 hours is $602.
The fastest flight from Dublin to Chicago takes 8h 20m
Direct flights go from Dublin to Chicago every day.
There is 1 airport near Chicago: Chicago O'Hare Intl (ORD)
Search flight deals

  • How far is Dublin to Chicago by plane?

    Dublin and Chicago are 3657.3 mi apart from one another. In terms of flight time, this usually takes a little over 8h 30m.

  • When did momondo last update prices for flights from Dublin Airport to Chicago?

    Prices for flights from Dublin Airport to Chicago are updated daily.

  • How many operators does momondo search for flights from Dublin Airport to Chicago?

  • How old do you have to be to fly from Dublin Airport to Chicago?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Dublin Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The required travel and health documents for your Chicago trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Dublin to Chicago?

  • What is the most popular airline from Dublin to Chicago?

Best airlines flying from Dublin to Chicago

Compare and see reviews for airlines that fly from Dublin to Chicago with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $393Free CancellationRating
6.8
7,540 reviews
Search Lufthansa flights
Aer LingusPriceFrom $455Free CancellationRating
7.2
1,361 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $479Free CancellationRating
7.4
9,001 reviews
Search United Airlines flights

  • United Airlines Flights From Dublin to Chicago

    United Airlines flight deals from Dublin to Chicago start from $479 round-trip. Over the 6 United Airlines flights for this route in a normal week, average airfare is usually $696 round-trip - but some users have found much cheaper deals with momondo.

  • Aer Lingus Flights From Dublin to Chicago

    The best Aer Lingus deal for Dublin to Chicago flight tickets found on momondo in the last 72 hours was $455, round-trip. It should be noted that an average Aer Lingus flight deal for this route in this time was higher, at $630 round-trip. Aer Lingus operates 13 flights out of Dublin into Chicago in an average week, so prices vary by time and availability. 1,361 Aer Lingus reviews by users on momondo have scored the airline at 7.2/10.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Saint Joseph
Portage
Lansing
Schererville
Valparaiso
Crown Point
Munster
Chesterton
Monticello
Porter
Griffith
Saint John

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Dublin to Chicago. momondo saves you time and could save you money on your trip.

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

Flights from Dublin to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Dublin to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Chicago from Dublin. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport