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Cheap flights from Illinois to Cardiff from £352

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 27/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CWL
18 6月 — 25 6月1
1 adult

Cheap flight deals from Illinois to Cardiff

Keep the following information in mind while searching for Illinois to Cardiff flight deals. Data was last updated 13 6月 2025.

Round-trip from

£641

One-way from

£352
KLM
  • KLM
  • 10/10-20/10
  • 2 total stops
  • 37h 45m total
  • Illinois to Cardiff
Search Deals
Virgin Atlantic
  • Virgin Atlantic
  • 27/7
  • 1 total stop
  • 10h 55m total
  • Illinois to Cardiff
Search Deals

Find flight deals from Illinois to Cardiff

Cheapest flights from Illinois to Cardiff
Explore the most affordable flight options available from Illinois to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 6月 2025.

週五 10/1016:20ORD - CWL
1 stop10h 50mKLM
週一 20/1017:15CWL - ORD
1 stop26h 55mKLM
Deal found 11/6£641
週一 28/721:15ORD - CWL
1 stop12h 40mMultiple Airlines
週一 4/813:10CWL - ORD
1 stop11h 50mMultiple Airlines
Deal found 13/6£658
週五 10/1017:45ORD - CWL
2 stops17h 20mDelta
週一 20/1009:50CWL - ORD
1 stop10h 50mDelta
Deal found 11/6£681
週一 21/713:09MDW - CWL
2 stops14h 06mMultiple Airlines
週一 28/717:15CWL - MDW
2 stops31h 25mMultiple Airlines
Deal found 11/6£694
週六 26/716:20ORD - CWL
1 stop10h 55mVirgin Atlantic
週六 2/817:35CWL - ORD
1 stop26h 35mVirgin Atlantic
Deal found 11/6£814
週六 26/713:09MDW - CWL
2 stops14h 06mKLM
週六 2/809:45CWL - MDW
2 stops14h 55mKLM
Deal found 11/6£1,197
週日 27/709:24MDW - CWL
2 stops17h 51mDelta
週日 3/809:50CWL - MDW
2 stops17h 52mDelta
Deal found 12/6£1,215

Cheapflights Fare Finder

Customise your flight search to find flights from Illinois to Cardiff 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 6月 2025.
Use the filters below to find and compare flights from Illinois to Cardiff that are best for you.

Fly from

Illinois

Fly to

Cardiff

Route

Depart

Return

Price

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

週五 10/10

16:20-09:10

1 stop10h 50m

Cardiff Wales

週一 20/10

17:15-14:10

1 stop26h 55m

£641

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

週一 28/7

21:15-15:55

1 stop12h 40m

Cardiff Wales

週一 4/8

13:10-19:00

1 stop11h 50m

£658

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

週五 10/10

17:45-17:05

2 stops17h 20m

Cardiff Wales

週一 20/10

09:50-14:40

1 stop10h 50m

£681

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

週一 21/7

13:09-09:15

2 stops14h 06m

Cardiff Wales

週一 28/7

17:15-18:40

2 stops31h 25m

£694

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

週六 26/7

16:20-09:15

1 stop10h 55m

Cardiff Wales

週六 2/8

17:35-14:10

1 stop26h 35m

£814

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

週六 26/7

13:09-09:15

2 stops14h 06m

Cardiff Wales

週六 2/8

09:45-18:40

2 stops14h 55m

£1,197

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

週日 27/7

09:24-09:15

2 stops17h 51m

Cardiff Wales

週日 3/8

09:50-21:42

2 stops17h 52m

£1,215

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

週日 27/7

16:20-09:15

1 stop10h 55m

£352

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

週日 27/7

12:43-09:15

2 stops14h 32m

£365

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

週日 27/7

19:01-16:45

2 stops15h 44m

£368

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 12 results
1
2

Best time to book a flight from Illinois to Cardiff

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

Rainfall in Cardiff by month

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

In terms of precipitation, rainfall in Cardiff ranges from 50.0 - 90.0 inches per month. January is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Cardiff when rainfall is around 50.0 mm.

Temperature in Cardiff by month

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

If weather is an important factor for your trip to Cardiff, 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 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Cardiff

Get insights into the airlines that provide service to Cardiff. 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 Cardiff. Reviews last updated 13 6月 2025.
See what other customers who have flown with Delta, KLM and Virgin Atlantic from Illinois to Cardiff have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,946 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Illinois to Cardiff. 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 into for flights to Cardiff from Illinois?

    Cardiff Wales (CWL), located 9.1 mi from the city center, is the airport you fly into when you book flights from Illinois to Cardiff.

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

    For one-way options, check prices for Virgin Atlantic. According to our data, you can fly for as low as £352. Users have also found prices from £368 and £402 on Delta and KLM, respectively.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Illinois to Cardiff (average of £169). Flying from Illinois to Cardiff in December is currently the most expensive (average of £263). 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

Travelling to a place near Illinois?

Book flights to Illinois if you plan to visit one of these locations
Barry
Bridgend

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Why should you use Cheapflights to find cheap flight tickets from Illinois to Cardiff?

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Need flexible booking options for your flight to Cardiff from Illinois? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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