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Cheap flights from Dublin to Illinois from £260

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
15 Mar — 22 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dublin to Illinois

Enter your travel dates to find the best prices.

Cheapest flights from Dublin to Illinois
Explore the most affordable flight options available from Dublin to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 February 2026.

Fri 22/509:30
DUB
-
ORD
Nonstop8h 00m
Finnair
Tue 2/622:25
ORD
-
DUB
Nonstop7h 25m
Finnair
Deal found 10/2£326
Wed 13/509:30
DUB
-
ORD
Nonstop8h 00m
Finnair
Tue 26/522:25
ORD
-
DUB
Nonstop7h 25m
Finnair
Deal found 13/2£327
Wed 13/508:35
DUB
-
ORD
1 stop15h 40m
Multiple Airlines
Tue 26/522:25
ORD
-
DUB
Nonstop7h 25m
Multiple Airlines
Deal found 13/2£333
Tue 5/510:30
DUB
-
ORD
1 stop13h 05m
Multiple Airlines
Thu 14/522:25
ORD
-
DUB
Nonstop7h 25m
Multiple Airlines
Deal found 12/2£334
Tue 7/409:30
DUB
-
ORD
1 stop16h 27m
Multiple Airlines
Mon 13/422:30
ORD
-
DUB
1 stop15h 05m
Multiple Airlines
Deal found 11/2£336
Fri 22/509:30
DUB
-
ORD
Nonstop8h 00m
Multiple Airlines
Tue 2/621:15
ORD
-
DUB
1 stop11h 20m
Multiple Airlines
Deal found 10/2£337
Fri 15/509:30
DUB
-
ORD
Nonstop8h 00m
Finnair
Mon 25/522:25
ORD
-
DUB
Nonstop7h 25m
Finnair
Deal found 10/2£343
Mon 23/205:55
DUB
-
MDW
2 stops18h 45m
Delta
Tue 3/318:20
MDW
-
DUB
2 stops15h 25m
Delta
Deal found 13/2£391
Mon 23/205:55
DUB
-
MDW
2 stops18h 45m
Delta
Wed 4/310:49
MDW
-
DUB
1 stop14h 56m
Delta
Deal found 13/2£393
Fri 20/205:55
DUB
-
MDW
2 stops17h 42m
Delta
Sat 28/209:34
MDW
-
DUB
2 stops16h 11m
Delta
Deal found 13/2£395
Sun 22/209:45
DUB
-
MDW
1 stop14h 55m
Delta
Wed 4/312:45
MDW
-
DUB
1 stop13h 00m
Delta
Deal found 13/2£400
Sat 7/306:00
DUB
-
MDW
2 stops16h 14m
Delta
Sun 22/309:30
MDW
-
DUB
1 stop17h 15m
Delta
Deal found 13/2£416

Find flight deals from Dublin to Illinois

Keep the following information in mind while searching for Dublin to Illinois flight deals. Data was last updated 13 February 2026.

Round-trip from

£326

One-way from

£260

Popular in

July

Cheapest in

November

Average price

£459

Good round-trip deal

£462 or less

Good one-way deal

£346 or less
Finnair
  • Finnair
  • 22/5-2/6
  • Nonstop
  • 15h 25m total
  • Dublin to Illinois
Search Deals
Icelandair
  • Icelandair
  • 14/5
  • 1 total stop
  • 10h 00m total
  • Dublin to Illinois
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£37 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Dublin to Illinois.
Search Deals
Price to beat on a one-way flight from Dublin to Illinois.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Dublin to Illinois 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, Cheapflights users made 858,174 searches. Data last updated 13 February 2026.
Use the filters below to find and compare flights from Dublin to Illinois that are best for you.

Fly from

Dublin

Fly to

Illinois

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 13/5

09:30-11:30

Nonstop8h 00m

Chicago O'Hare Intl

Tue 26/5

22:25-11:50

Nonstop7h 25m

£328

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 22/5

09:30-11:30

Nonstop8h 00m

Chicago O'Hare Intl

Tue 2/6

21:15-14:35

1 stop11h 20m

£337

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 22/5

09:30-11:30

Nonstop8h 00m

Chicago O'Hare Intl

Tue 2/6

11:40-09:45

1 stop16h 05m

£341

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 27/5

09:30-11:30

Nonstop8h 00m

Chicago O'Hare Intl

Sun 7/6

22:25-11:50

Nonstop7h 25m

£344

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 15/5

09:30-11:30

Nonstop8h 00m

Chicago O'Hare Intl

Mon 25/5

22:25-11:50

Nonstop7h 25m

£345

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 22/4

09:30-19:57

1 stop16h 27m

Chicago O'Hare Intl

Sun 26/4

12:30-09:45

1 stop15h 15m

£351

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 26/2

19:05-16:45

1 stop27h 40m

Chicago O'Hare Intl

Mon 2/3

19:20-18:20

1 stop17h 00m

£367

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 13/5

08:35-14:55

1 stop12h 20m

Chicago O'Hare Intl

Tue 26/5

22:25-11:50

Nonstop7h 25m

£373

DublinChicago

DUB - MDW

DUBMDW

Dublin

Mon 23/2

09:45-17:45

1 stop14h 00m

Chicago Midway

Wed 4/3

12:45-07:45

1 stop13h 00m

£400

DublinChicago

DUB - MDW

DUBMDW

Dublin

Sat 7/3

06:00-16:14

2 stops16h 14m

Chicago Midway

Sun 22/3

09:30-07:45

1 stop17h 15m

£416

Flights are sorted by cheapest return flights first.

Deals found on 9/2

Showing 1-10 of 30 results
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Best time to book a flight from Dublin to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois 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 Illinois

What is the cheapest month to book a flight from Dublin to Illinois?

Currently, March is the cheapest month in which you can book a flight from Dublin to Illinois (average of £309). Flying from Dublin to Illinois in July is currently the most expensive (average of £469). 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 IL?

Find hourly flight availability from Dublin to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 February 2026.

When flying from Dublin to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Dublin to Illinois

Explore weekly flight availability from Dublin to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 13 February 2026.

The most flights from DUB to USIL are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost for a return flight from Dublin to Illinois?

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated 13 February 2026.
Read through reviews of airlines operating flights from Dublin to Illinois, such as United Airlines, Aer Lingus, andBrussels Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,289 reviews
Check prices

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,289 reviews
United Airlines
7.4
Good
9,289 reviews
Check prices

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Aer Lingus
7.2
Good
1,451 reviews
United Airlines
7.4
Good
9,289 reviews
Check prices

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Brussels Airlines
7.2
Good
384 reviews
United Airlines
7.4
Good
9,289 reviews
Check prices

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Icelandair
7.1
Good
614 reviews
United Airlines
7.4
Good
9,289 reviews
Check prices

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
British Airways
6.7
Okay
7,739 reviews
United Airlines
7.4
Good
9,289 reviews
Check prices

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

Find useful and relevant information for your journey from Dublin to Illinois. 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 Illinois?

    For a flight from Dublin to Illinois, you will be flying from Dublin. Dublin (DUB) is just 5.7 mi from the center of the city.

  • How long is the flight from Dublin to Illinois?

    Finnair and Delta can get you from Dublin to Illinois in just under 8h. Your travel time can differ by up to 6h. There are 3661 mi between Dublin and Illinois. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most reliable airlines from Dublin to Illinois?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Dublin to Illinois on time: Austrian Airlines (81%), Brussels Airlines (81%), United Airlines (81%).

  • What are the cheapest flights from Dublin to Illinois?

    Looking at all options, your cheapest flight can be booked for £252. While the most popular route (Dublin - Chicago Midway) can be booked for £450 on average, our data indicates £901 when flying from Dublin to Illinois.

  • Can I find deals for flights from Dublin to Illinois that include hotel bookings?

    Yes. In addition to deals on Dublin to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dublin to Illinois?

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

  • Can I find deals for business class flights from Dublin to Illinois?

    Yes. Cheapflights offers flight deals from Dublin to Illinois 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 Illinois?

    Currently, March is the cheapest month in which you can book a flight from Dublin to Illinois (average of £309). Flying from Dublin to Illinois in July is currently the most expensive (average of £469). 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

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.

Top 4 airlines flying from Dublin to Illinois

Discover the top 4 airlines that operate flights from Dublin to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 February 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£293Average£334FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£319Average£426FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£339Average£475FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
United AirlinesCheapest£349Average£616FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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 Illinois?

Deals for Dublin to Illinois 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 Illinois?

Millions of users choose and trust Cheapflights to book the best flight deals from Dublin to Illinois for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Dublin to Illinois with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Dublin to Illinois flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Dublin to Illinois become cheaper?

Yes! Start tracking prices for Dublin to Illinois 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.

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