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Cheap flights from Illinois to Cardiff from £320

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 27/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CWL
27 Jan — 3 Feb1
1 adult

Cheap flight deals from Illinois to Cardiff

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Cardiff (CWL). 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 22 January 2025.

Round-trip from

£508

One-way from

£320
6/2-10/2
  • 6/2-10/2
  • 2 total stops
  • 24h 45m total
  • Illinois to Cardiff
Search Deals
27/1
  • 27/1
  • 3 total stops
  • 35h 00m 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 22 January 2025.

Thu 6/221:00ORD - CWL
1 stop12h 45mMultiple Airlines
Mon 10/213:15CWL - ORD
1 stop12h 00mMultiple Airlines
Deal found 21/1£508
Tue 18/212:45ORD - CWL
2 stops15h 05mKLM
Tue 25/210:25CWL - ORD
1 stop34h 05mKLM
Deal found 21/1£624
Thu 6/214:08MDW - CWL
2 stops13h 47mDelta
Mon 10/210:20CWL - MDW
2 stops36h 00mDelta
Deal found 21/1£671
Thu 6/213:40ORD - CWL
2 stops14h 15mDelta
Mon 10/210:20CWL - ORD
2 stops35h 53mDelta
Deal found 21/1£671
Fri 7/313:40ORD - CWL
2 stops14h 15mVirgin Atlantic
Fri 14/310:25CWL - ORD
2 stops18h 31mVirgin Atlantic
Deal found 21/1£830
Fri 7/314:08MDW - CWL
2 stops13h 47mKLM
Fri 14/310:25CWL - MDW
2 stops27h 44mKLM
Deal found 21/1£1,096
Fri 7/314:08MDW - CWL
2 stops13h 47mMultiple Airlines
Fri 14/310:25CWL - MDW
2 stops31h 07mMultiple Airlines
Deal found 21/1£1,100
Sun 12/1021:15ORD - CWL
2 stops32h 15mAer Lingus
Sat 18/1012:00CWL - ORD
2 stops31h 50mAer Lingus
Deal found 19/1£1,774

Find flights from Illinois to Cardiff within your budget

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 22 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Thu 6/2

21:00-15:45

1 stop12h 45m

Cardiff Wales

Mon 10/2

13:15-19:15

1 stop12h 00m

£508

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 18/2

12:45-09:50

2 stops15h 05m

Cardiff Wales

Tue 25/2

10:25-14:30

1 stop34h 05m

£624

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Thu 6/2

14:08-09:55

2 stops13h 47m

Cardiff Wales

Mon 10/2

10:20-16:20

2 stops36h 00m

£671

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Thu 6/2

13:40-09:55

2 stops14h 15m

Cardiff Wales

Mon 10/2

10:20-16:13

2 stops35h 53m

£671

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Fri 7/3

13:40-09:55

2 stops14h 15m

Cardiff Wales

Fri 14/3

10:25-23:56

2 stops18h 31m

£830

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Fri 7/3

14:08-09:55

2 stops13h 47m

Cardiff Wales

Fri 14/3

10:25-09:09

2 stops27h 44m

£1,096

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Fri 7/3

14:08-09:55

2 stops13h 47m

Cardiff Wales

Fri 14/3

10:25-12:32

2 stops31h 07m

£1,100

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Mon 27/1

18:30-11:30

3 stops35h 00m

£320

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Mon 27/1

16:25-09:55

1 stop11h 30m

£402

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Mon 27/1

12:44-09:55

2 stops15h 11m

£406

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 11 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.

Travel insights for flights from Illinois to Cardiff

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

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.

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 22 January 2025.
Delta
8.0
Very Good
8,521 reviews
Check prices

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very Good
8,521 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
664 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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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Fly with Cheapflights

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How does Cheapflights help users find flights from Illinois to Cardiff?

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

Cheapflights helps you find that perfect flight to Cardiff from Illinois by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

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.

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

Not ready to book yet? You can track prices for flights from Illinois to Cardiff on Cheapflights with our Price Alert feature and get notified when better prices are available.

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