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Cheap flights from Dublin to Chicago from $461

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Chicago departing on 9/1. 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

Aer Lingus Logo
4:40 pm - 7:00 pmDUB-ORD
8h 20mnonstop
Aer Lingus Logo
3:45 pm - 5:10 amORD-DUB
7h 25mnonstop
$461Aer Lingus
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Mon, Sep 1 - Tue, Sep 9
Aer Lingus Logo
4:40 pm - 7:00 pmDUB-ORD
8h 20mnonstop
Aer Lingus Logo
9:15 pm - 10:40 amORD-DUB
7h 25mnonstop
$462Aer Lingus
Find Deal
Mon, Sep 1 - Sun, Sep 7
Delta Logo
5:55 am - 3:20 pmDUB-ORD
14h 25m1 stop
Delta Logo
5:20 pm - 3:45 pmORD-DUB
16h 25m1 stop
$463Delta
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Wed, Oct 29 - Tue, Nov 4
American Airlines Logo
3:20 pm - 6:15 pmDUB-ORD
32h 55m1 stop
American Airlines Logo
4:55 pm - 9:40 amORD-DUB
10h 45m1 stop
$467American Airlines
Find Deal
Mon, Sep 1 - Mon, Sep 8
American Airlines Logo
12:45 pm - 11:50 amDUB-ORD
29h 05m1 stop
American Airlines Logo
10:35 pm - 4:40 pmORD-DUB
12h 05m1 stop
$468American Airlines
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Thu, Sep 4 - Sat, Sep 13
British Airways Logo
8:35 am - 2:50 pmDUB-ORD
12h 15m1 stop
British Airways Logo
8:40 pm - 6:20 pmORD-DUB
15h 40m1 stop
$469British Airways
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Tue, Sep 16 - Mon, Sep 29
British Airways Logo
8:35 am - 2:50 pmDUB-ORD
12h 15m1 stop
British Airways Logo
9:15 pm - 5:30 pmORD-DUB
14h 15m1 stop
$470British Airways
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Tue, Sep 16 - Wed, Oct 1
Delta Logo
5:55 am - 6:25 pmDUB-MDW
17h 30m2 stops
Delta Logo
1:00 pm - 8:45 amMDW-DUB
13h 45m2 stops
$471Delta
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Thu, Oct 30 - Wed, Nov 12
Logo
3:20 pm - 11:55 amDUB-ORD
26h 35m1 stop
Logo
10:15 pm - 11:40 amORD-DUB
7h 25mnonstop
$475
Find Deal
Mon, Sep 1 - Sun, Sep 7
Logo
11:00 am - 9:36 pmDUB-MDW
16h 36m1 stop
Logo
7:15 pm - 7:55 amMDW-DUB
30h 40m1 stop
$624
Find Deal
Fri, Sep 19 - Sat, Sep 27

Delta flights from Dublin to Chicago

Our best Delta deals on Dublin to Chicago flight tickets
Delta
Oct 29
DUB5:55 amDublin
14h 25m
1 stop
ORD3:20 pmChicago O'Hare Intl
Nov 4
ORD5:20 pmChicago O'Hare Intl
16h 25m
1 stop
DUB3:45 pmDublin
$463
Find similar
Delta
Oct 30
DUB5:55 amDublin
17h 30m
2 stops
MDW6:25 pmChicago Midway
Nov 12
MDW1:00 pmChicago Midway
13h 45m
2 stops
DUB8:45 amDublin
$471
Find similar
Delta
Sep 30
DUB5:55 amDublin
14h 15m
1 stop
ORD2:10 pmChicago O'Hare Intl
Oct 7
ORD1:08 pmChicago O'Hare Intl
13h 12m
2 stops
DUB8:20 amDublin
$472
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Iberia flights from Dublin to Chicago

Our best Iberia deals on Dublin to Chicago flight tickets
Iberia
Sep 15
DUB1:45 pmDublin
8h 00m
ORD3:45 pmChicago O'Hare Intl
Sep 29
ORD10:15 pmChicago O'Hare Intl
7h 25m
DUB11:40 amDublin
$509
Find similar
Iberia
Sep 1
DUB6:25 pmDublin
25h 50m
1 stop
ORD2:15 pmChicago O'Hare Intl
Sep 9
ORD2:40 pmChicago O'Hare Intl
9h 50m
1 stop
DUB6:30 amDublin
$540
Find similar
Iberia
Sep 1
DUB11:35 amDublin
8h 25m
ORD2:00 pmChicago O'Hare Intl
Sep 10
ORD10:15 pmChicago O'Hare Intl
7h 25m
DUB11:40 amDublin
$567
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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 August 18, 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

Mon 9/1

4:40 pm-7:00 pm

Nonstop8h 20m

Chicago O'Hare Intl

Tue 9/9

3:45 pm-5:10 am

Nonstop7h 25m

$461

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 9/1

4:40 pm-7:00 pm

Nonstop8h 20m

Chicago O'Hare Intl

Sun 9/7

9:15 pm-10:40 am

Nonstop7h 25m

$462

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 10/29

5:55 am-3:20 pm

1 stop14h 25m

Chicago O'Hare Intl

Tue 11/4

5:20 pm-3:45 pm

1 stop16h 25m

$463

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 9/1

3:20 pm-6:15 pm

1 stop32h 55m

Chicago O'Hare Intl

Mon 9/8

4:55 pm-9:40 am

1 stop10h 45m

$467

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 9/4

12:45 pm-11:50 am

1 stop29h 05m

Chicago O'Hare Intl

Sat 9/13

10:35 pm-4:40 pm

1 stop12h 05m

$468

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 9/16

8:35 am-2:50 pm

1 stop12h 15m

Chicago O'Hare Intl

Mon 9/29

8:40 pm-6:20 pm

1 stop15h 40m

$469

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 9/16

8:35 am-2:50 pm

1 stop12h 15m

Chicago O'Hare Intl

Wed 10/1

9:15 pm-5:30 pm

1 stop14h 15m

$470

DublinChicago

DUB - MDW

DUBMDW

Dublin

Thu 10/30

5:55 am-6:25 pm

2 stops17h 30m

Chicago Midway

Wed 11/12

1:00 pm-8:45 am

2 stops13h 45m

$471

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 9/1

3:20 pm-11:55 am

1 stop26h 35m

Chicago O'Hare Intl

Sun 9/7

10:15 pm-11:40 am

Nonstop7h 25m

$475

DublinChicago

DUB - MDW

DUBMDW

Dublin

Fri 9/19

11:00 am-9:36 pm

1 stop16h 36m

Chicago Midway

Sat 9/27

7:15 pm-7:55 am

1 stop30h 40m

$624

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 cheapest month to fly to Chicago?

The month of January is, on average, the cheapest month to fly to Chicago from Dublin, with most prices found around $497. If you’re not able to fly to Chicago in January, then November is your next best option. Flight prices from Dublin to Chicago during November 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 Wednesday when prices can be found for as low as $656. 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 $840.

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 morning. Flights from Dublin to Chicago during this time can be as low as $746. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $818.

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 $599 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 $516 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.

How have Dublin to Chicago flight prices changed over time?

As of August 2025, prices for Dublin to Chicago flights are approximately 9% more expensive 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

$518

Fastest flight time

8h 00m

Direct flights

Every day

Airports in Chicago

2 airports
The best one-way flight to Chicago from Dublin in the past 72 hours is $518. The best round-trip flight deal from Dublin to Chicago found on momondo in the last 72 hours is $461.
The fastest flight from Dublin to Chicago takes 8h 00m
Direct flights go from Dublin to Chicago every day.
There are 2 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)
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  • 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 00m.

  • 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
Aer LingusPriceFrom $447Free CancellationRating
7.2
1,220 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $490Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights

  • United Airlines Flights From Dublin to Chicago

    United Airlines flight deals from Dublin to Chicago start from $490 round-trip. Over the 7 United Airlines flights for this route in a normal week, average airfare is usually $752 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 $447, round-trip. It should be noted that an average Aer Lingus flight deal for this route in this time was higher, at $582 round-trip. Aer Lingus operates 21 flights out of Dublin into Chicago in an average week, so prices vary by time and availability. 1,220 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
Lansing
Portage
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