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Cheap flights from Cardiff to Illinois from £623

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/1. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — ORD
24 Dec — 31 Dec1
1 adult

Cheap flight deals from Cardiff to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) 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

£623
KLM
  • KLM
  • 16/1-23/1
  • 4 total stops
  • 30h 48m total
  • Cardiff to Illinois
Search Deals

Find flight deals from Cardiff to Illinois

Cheapest flights from Cardiff to Illinois
Explore the most affordable flight options available from Cardiff to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 December 2024.

Mon 23/1212:00CWL - ORD
2 stops32h 45mBritish Airways
Mon 30/1222:00ORD - CWL
2 stops31h 30mBritish Airways
Deal found 17/12£1,244
Mon 23/1212:00CWL - ORD
3 stops25h 04mMultiple Airlines
Mon 30/1212:00ORD - CWL
3 stops17h 30mMultiple Airlines
Deal found 17/12£1,517
Mon 23/1210:20CWL - ORD
2 stops16h 39mDelta
Mon 30/1216:25ORD - CWL
1 stop11h 25mDelta
Deal found 17/12£1,547

Find flights from Cardiff to Illinois within your budget

Customise your flight search to find flights from Cardiff 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

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 16/1

10:20-20:53

2 stops16h 33m

Chicago O'Hare Intl

Thu 23/1

13:40-09:55

2 stops14h 15m

£623

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 9/6

13:10-19:05

1 stop11h 55m

Chicago O'Hare Intl

Mon 16/6

20:55-15:55

1 stop13h 00m

£629

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 9/6

09:50-19:43

2 stops15h 53m

Chicago O'Hare Intl

Mon 16/6

18:10-16:45

2 stops16h 35m

£843

Flights are sorted by cheapest return flights first.

Deals found on 18/12

Best time to book a flight from Cardiff to Illinois

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

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

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

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

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.
Delta
8.0
Very Good
8,604 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

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

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

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

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

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 Cardiff 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 Cardiff to Illinois?

    If you book a flight to Illinois from Cardiff, you will be flying from Cardiff Wales, which is the city’s only airport. Cardiff Wales (CWL) is located 9.1 mi from the center of Cardiff.

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

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

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

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

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

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

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

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Cardiff to Illinois

Discover the top airline that operate flights from Cardiff 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
KLMCheapest£652Average£828FlexibilityNo cancel feeOn-time75%
Search KLM 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 Cardiff to Illinois?

Deals for Cardiff 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 Cardiff to Illinois?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Cardiff to Illinois.

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

Certainly. Search results for flights to Illinois from Cardiff shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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