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Cheap flights from Dublin to Illinois from £334

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
26 Feb — 5 Mar1
1 adult

Cheap flight deals from Dublin to Illinois

Keep the following information in mind while searching for Dublin to Illinois flight deals. Data was last updated 21 February 2025.

Round-trip from

£334

Popular in

July

Cheapest in

November

Average price

£413

Good round-trip deal

£452 or less

Good one-way deal

£406 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 23/4-28/4
  • 3 total stops
  • 51h 25m total
  • Dublin to Illinois
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£79 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
Search Deals
Price to beat on a round-trip flight from Dublin to Illinois.
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Price to beat on a one-way flight from Dublin to Illinois.
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Find flight deals from Dublin to Illinois

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 21 February 2025.

Wed 23/411:45DUB - ORD
2 stops34h 25mScandinavian Airlines
Mon 28/419:15ORD - DUB
1 stop17h 00mScandinavian Airlines
Deal found 20/2£334
Tue 4/311:30DUB - ORD
1 stop11h 50mIcelandair
Wed 26/319:30ORD - DUB
1 stop9h 45mIcelandair
Deal found 20/2£345
Mon 3/308:50DUB - ORD
1 stop11h 40mMultiple Airlines
Wed 26/314:55ORD - DUB
1 stop13h 50mMultiple Airlines
Deal found 20/2£383
Sat 1/312:00DUB - ORD
1 stop12h 47mAir France
Wed 26/314:55ORD - DUB
1 stop13h 50mAir France
Deal found 20/2£395
Mon 3/312:00DUB - MDW
1 stop16h 20mKLM
Wed 26/316:59MDW - DUB
1 stop11h 46mKLM
Deal found 20/2£395
Thu 27/210:30DUB - ORD
1 stop14h 15mBritish Airways
Wed 26/316:27ORD - DUB
2 stops14h 43mBritish Airways
Deal found 20/2£395
Thu 27/213:25DUB - ORD
1 stop31h 05mKLM
Wed 5/314:00ORD - DUB
1 stop12h 45mKLM
Deal found 20/2£402
Thu 27/206:00DUB - ORD
1 stop15h 05mDelta
Mon 3/313:40ORD - DUB
2 stops20h 00mDelta
Deal found 20/2£403
Thu 27/208:50DUB - MDW
2 stops15h 21mDelta
Wed 5/309:33MDW - DUB
2 stops17h 12mDelta
Deal found 20/2£406
Sun 2/314:05DUB - ORD
1 stop14h 39mAmerican Airlines
Sun 23/317:11ORD - DUB
1 stop10h 29mAmerican Airlines
Deal found 20/2£410
Thu 27/216:40DUB - ORD
Nonstop8h 35mAer Lingus
Wed 26/316:55ORD - DUB
Nonstop7h 20mAer Lingus
Deal found 20/2£421
Sat 1/1105:00DUB - ORD
1 stop21h 05mLufthansa
Mon 3/1121:25ORD - DUB
1 stop13h 50mLufthansa
Deal found 21/2£432

Find flights from Dublin to Illinois within your budget

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 21 February 2025.

Fly from

Dublin

Fly to

Illinois

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 23/4

11:45-16:10

2 stops34h 25m

Chicago O'Hare Intl

Mon 28/4

19:15-18:15

1 stop17h 00m

£334

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 4/3

11:30-17:20

1 stop11h 50m

Chicago O'Hare Intl

Wed 26/3

19:30-10:15

1 stop9h 45m

£345

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 3/3

14:05-22:44

1 stop14h 39m

Chicago O'Hare Intl

Wed 26/3

17:11-17:00

2 stops18h 49m

£383

DublinChicago

DUB - MDW

DUBMDW

Dublin

Mon 3/3

12:00-22:20

1 stop16h 20m

Chicago Midway

Wed 26/3

16:59-09:45

1 stop11h 46m

£395

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 8/3

08:50-14:30

1 stop11h 40m

Chicago O'Hare Intl

Wed 12/3

17:25-16:40

1 stop18h 15m

£403

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 10/3

08:50-15:30

1 stop11h 40m

Chicago O'Hare Intl

Tue 18/3

10:25-08:05

2 stops16h 40m

£404

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 1/4

08:35-14:45

1 stop12h 10m

Chicago O'Hare Intl

Tue 22/4

16:55-09:50

1 stop10h 55m

£406

DublinChicago

DUB - MDW

DUBMDW

Dublin

Wed 26/3

05:55-18:18

2 stops17h 23m

Chicago Midway

Mon 31/3

12:51-08:45

1 stop13h 54m

£406

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 3/3

14:05-22:44

1 stop14h 39m

Chicago O'Hare Intl

Mon 24/3

16:25-08:40

1 stop11h 15m

£410

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 4/3

15:20-17:55

Nonstop8h 35m

Chicago O'Hare Intl

Wed 26/3

16:55-05:15

Nonstop7h 20m

£421

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 30 results
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2
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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.

Travel insights for flights from Dublin to Illinois

Get recent, data-driven insights about flights from Dublin to Illinois including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Dublin to Illinois (average of £595). Flying from Dublin to Illinois 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 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 21 February 2025.

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.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois 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 Illinois when rainfall is around 43.0 mm.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, 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).

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 21 February 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Dublin to Illinois to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,213 reviews
Check prices

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very Good
8,213 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,331 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France
7.4
Good
1,449 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,759 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines to fly from Dublin to Illinois one-way?

    The cheapet airlines for a one-way flight from Dublin to Illinois are WestJet (£343), TAP AIR PORTUGAL (£349), and Icelandair (£355).

  • 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: American Airlines (57%), Aer Lingus (57%), British Airways (57%).

  • What are the cheapest flights from Dublin to Illinois?

    Looking at all options, your cheapest flight can be booked for £340. While the most popular route (Dublin - Chicago O'Hare Intl) can be booked for £402 on average our data indicates £1,091 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, January is the cheapest month in which you can book a flight from Dublin to Illinois (average of £595). Flying from Dublin to Illinois 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

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Alternative routes for Dublin to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Dublin to Illinois

Discover the top 8 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 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£274Average£455FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£307Average£446FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£310Average£578FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£313Average£478FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£323Average£444FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
American AirlinesCheapest£390Average£523FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FinnairCheapest£391Average£583FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IberiaCheapest£401Average£589FlexibilityNo cancel feeOn-time77%
Search Iberia 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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