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Cheap flights from Illinois to Cardiff from £302

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CWL
26 Feb — 5 Mar1
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 21 February 2025.

Round-trip from

£565

One-way from

£302

Popular in

July

Cheapest in

April

Average price

£902
6/4-13/4
  • 6/4-13/4
  • 5 total stops
  • 67h 10m total
  • Illinois to Cardiff
Search Deals
20/5
  • 20/5
  • 3 total stops
  • 42h 25m total
  • Illinois to Cardiff
Search Deals
Highest demand for flights based on searches. 31% potential increase in price (£380 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease (£100 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
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 21 February 2025.

Sun 6/419:15ORD - CWL
3 stops32h 00mMultiple Airlines
Sun 13/411:00CWL - ORD
2 stops35h 10mMultiple Airlines
Deal found 20/2£565
Sun 6/416:20ORD - CWL
1 stop18h 25mKLM
Sun 13/417:15CWL - ORD
1 stop26h 55mKLM
Deal found 20/2£583
Mon 7/409:23MDW - CWL
2 stops17h 52mMultiple Airlines
Mon 14/417:15CWL - MDW
2 stops30h 04mMultiple Airlines
Deal found 20/2£656
Fri 10/1016:20ORD - CWL
1 stop10h 50mDelta
Thu 16/1009:50CWL - ORD
2 stops15h 53mDelta
Deal found 20/2£666
Sun 12/1013:00MDW - CWL
2 stops21h 45mDelta
Thu 16/1009:50CWL - MDW
2 stops14h 13mDelta
Deal found 19/2£800
Mon 7/413:15MDW - CWL
2 stops14h 00mKLM
Mon 14/409:50CWL - MDW
2 stops14h 30mKLM
Deal found 20/2£835
Sun 6/409:23MDW - CWL
2 stops17h 52mVirgin Atlantic
Sun 13/417:15CWL - MDW
2 stops31h 05mVirgin Atlantic
Deal found 20/2£1,269
Sat 11/1021:15ORD - CWL
2 stops32h 15mAer Lingus
Sun 19/1012:00CWL - ORD
2 stops31h 50mAer Lingus
Deal found 20/2£1,318

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 21 February 2025.

Fly from

Illinois

Fly to

Cardiff

Route

Depart

Return

Price

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sun 6/4

19:15-09:15

3 stops32h 00m

Cardiff Wales

Sun 13/4

11:00-16:10

2 stops35h 10m

£565

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sun 6/4

16:20-16:45

1 stop18h 25m

Cardiff Wales

Sun 13/4

17:15-14:10

1 stop26h 55m

£583

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Mon 7/4

09:23-09:15

2 stops17h 52m

Cardiff Wales

Mon 14/4

17:15-17:19

2 stops30h 04m

£656

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Mon 7/4

13:15-09:15

2 stops14h 00m

Cardiff Wales

Mon 14/4

09:50-18:20

2 stops14h 30m

£835

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sun 6/7

08:55-09:15

2 stops18h 20m

Cardiff Wales

Sun 20/7

09:50-22:10

2 stops18h 20m

£1,234

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Sun 6/4

09:23-09:15

2 stops17h 52m

Cardiff Wales

Sun 13/4

17:15-18:20

2 stops31h 05m

£1,269

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Sun 6/4

18:42-16:45

2 stops16h 03m

Cardiff Wales

Sun 13/4

09:50-18:02

2 stops14h 12m

£1,660

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 20/5

07:00-07:25

3 stops42h 25m

£302

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 20/5

16:20-09:15

1 stop10h 55m

£451

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sun 15/6

10:10-09:15

2 stops17h 05m

£1,255

Flights are sorted by cheapest return flights first.

Deals found on 21/2

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 21 February 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
8,213 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

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

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

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

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

Virgin Atlantic
7.5
Good
654 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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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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?

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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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