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Cheap flights from Dublin to Illinois from £341

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
24 Dec — 31 Dec1
1 adult

Cheap flight deals from Dublin to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 19 December 2024.

Round-trip from

£342

One-way from

£341
Scandinavian Airlines
  • Scandinavian Airlines
  • 15/5-18/5
  • 3 total stops
  • 50h 50m total
  • Dublin to Illinois
Search Deals
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 18/3
  • 1 total stop
  • 28h 35m total
  • Dublin to Illinois
Search Deals

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 19 December 2024.

Thu 26/1217:25DUB - ORD
1 stop27h 05mKLM
Wed 8/116:25ORD - DUB
1 stop18h 15mKLM
Deal found 17/12£497
Tue 24/1211:50DUB - ORD
1 stop17h 35mUnited Airlines
Thu 9/114:05ORD - DUB
1 stop11h 05mUnited Airlines
Deal found 17/12£521
Tue 24/1210:45DUB - ORD
1 stop16h 45mDelta
Tue 7/117:20ORD - DUB
1 stop16h 20mDelta
Deal found 17/12£536
Fri 27/1205:00DUB - ORD
1 stop14h 25mMultiple Airlines
Fri 10/114:05ORD - DUB
1 stop11h 05mMultiple Airlines
Deal found 17/12£547
Thu 26/1218:40DUB - ORD
1 stop27h 35mSWISS
Wed 8/118:20ORD - DUB
2 stops17h 30mSWISS
Deal found 17/12£591
Fri 20/1211:50DUB - ORD
1 stop14h 15mLufthansa
Sat 11/115:55ORD - DUB
1 stop12h 55mLufthansa
Deal found 18/12£612
Thu 26/1211:50DUB - ORD
2 stops32h 15mAustrian Airlines
Wed 8/116:20ORD - DUB
2 stops24h 30mAustrian Airlines
Deal found 17/12£660
Thu 26/1212:05DUB - ORD
2 stops33h 45mScandinavian Airlines
Wed 8/110:40ORD - DUB
2 stops19h 00mScandinavian Airlines
Deal found 16/12£768
Thu 26/1208:50DUB - MDW
2 stops19h 16mDelta
Wed 1/109:30MDW - DUB
2 stops16h 35mDelta
Deal found 18/12£770
Wed 18/1220:30DUB - ORD
2 stops44h 16mBritish Airways
Sun 22/1222:00ORD - DUB
1 stop27h 55mBritish Airways
Deal found 18/12£825
Wed 18/1211:30DUB - ORD
Nonstop8h 30mAer Lingus
Sat 21/1217:00ORD - DUB
1 stop11h 15mAer Lingus
Deal found 16/12£1,035
Thu 26/1204:25DUB - ORD
1 stop17h 05mTAP AIR PORTUGAL
Fri 10/107:00ORD - DUB
2 stops27h 10mTAP AIR PORTUGAL
Deal found 17/12£1,232

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 19 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 15/5

12:20-16:10

2 stops33h 50m

Chicago O'Hare Intl

Sun 18/5

19:15-18:15

1 stop17h 00m

£342

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 1/2

11:30-17:20

1 stop11h 50m

Chicago O'Hare Intl

Wed 26/2

18:30-10:15

1 stop9h 45m

£364

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 18/1

13:05-18:45

1 stop11h 40m

Chicago O'Hare Intl

Sat 25/1

21:45-15:00

1 stop11h 15m

£379

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 16/1

04:25-15:30

1 stop17h 05m

Chicago O'Hare Intl

Sun 26/1

20:25-16:10

1 stop13h 45m

£385

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 15/1

08:50-14:30

1 stop11h 40m

Chicago O'Hare Intl

Tue 21/1

17:20-15:40

1 stop16h 20m

£386

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 18/1

16:40-19:15

Nonstop8h 35m

Chicago O'Hare Intl

Sat 25/1

21:00-10:20

Nonstop7h 20m

£393

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 15/1

05:55-17:36

2 stops17h 41m

Chicago O'Hare Intl

Tue 21/1

16:58-12:40

2 stops13h 42m

£398

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 13/1

08:50-14:30

1 stop11h 40m

Chicago O'Hare Intl

Sun 19/1

07:14-08:45

1 stop19h 31m

£408

DublinChicago

DUB - MDW

DUBMDW

Dublin

Mon 13/1

05:55-18:14

2 stops18h 19m

Chicago Midway

Sun 19/1

17:05-15:40

2 stops16h 35m

£409

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 15/2

09:00-09:34

2 stops30h 34m

Chicago O'Hare Intl

Sun 23/2

06:30-07:00

2 stops18h 30m

£423

Flights are sorted by cheapest return flights first.

Deals found on 17/12

Showing 1-10 of 32 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.

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 19 December 2024.

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 19 December 2024.

The most flights from DUB to USIL are scheduled on a Monday (6 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).

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 19 December 2024.
Peruse reviews from past customers who have flown with British Airways, KLM and Delta 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
8,604 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

Delta
8.0
Very Good
8,604 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

Finnair
7.7
Good
1,285 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

SWISS
7.6
Good
1,605 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

Air France
7.4
Good
1,505 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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 TAP AIR PORTUGAL (£341), Icelandair (£352), and Turkish Airlines (£431).

  • 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: Alaska Airlines (91%), Finnair (91%), Iberia (91%).

  • What are the cheapest flights from Dublin to Illinois?

    Looking at all options, your cheapest flight can be booked for £331. While the most popular route (Dublin - Chicago O'Hare Intl) can be booked for £404 on average our data indicates £1,103 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 7 airlines flying from Dublin to Illinois

Discover the top 7 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 19 December 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£273Average£451FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£306Average£426FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£309Average£593FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£312Average£476FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£317Average£437FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
FinnairCheapest£448Average£592FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IberiaCheapest£490Average£597FlexibilityNo 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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