How long is the flight from Chicago O'Hare Intl Airport to Cardiff?

For as low as £586, KLM can have you in Cardiff from Chicago O'Hare Intl Airport in 17h 27m. Airlines will cover a distance of 3831 mi. This flight may include one or multiple stops.

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.

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).

What is the cheapest time of day to fly from ORD to CWL?

When flying from Chicago O'Hare Intl Airport to Cardiff, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Cardiff from Chicago O'Hare Intl?

Most people fly into Cardiff Wales (CWL) if they book a flight to Cardiff from Chicago O'Hare Intl. On average, Cardiff Wales has 0 inbound flights from Chicago O'Hare Intl per day from 0 airlines. Cardiff Wales is conveniently located just 9.1 mi from Cardiff’s city center.

Can I find deals for flights from O'Hare Intl to Cardiff that include hotel bookings?

Yes. In addition to deals on O'Hare Intl to Cardiff flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from O'Hare Intl to Cardiff?

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

Can I find deals for business class flights from O'Hare Intl to Cardiff?

Yes. Cheapflights offers flight deals from O'Hare Intl 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.

£311+ Flights from Chicago O'Hare Intl Airport to Cardiff

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Cheapest flights from O'Hare Intl to Cardiff
Explore the most affordable flight options available from O'Hare Intl to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.

Tue 28/1011:23ORD - CWL

2 stops17h 27mKLM

Tue 4/1117:25CWL - ORD

1 stop26h 55mKLM

Deal found 16/10£586

Wed 3/1207:00ORD - CWL

2 stops20h 50mDelta

Sun 7/1210:20CWL - ORD

1 stop34h 00mDelta

Deal found 16/10£593

Wed 3/1210:35ORD - CWL

2 stops24h 20mVirgin Atlantic

Sun 7/1210:20CWL - ORD

1 stop34h 00mVirgin Atlantic

Deal found 14/10£595

Sun 21/1216:25ORD - CWL

1 stop11h 25mKLM

Thu 25/1210:20CWL - ORD

2 stops17h 14mKLM

Deal found 16/10£1,350

Best flights from O'Hare Intl to Cardiff
Discover carefully curated flight deals from O'Hare Intl to Cardiff that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 October 2025.

Tue 28/1011:23ORD - CWL

2 stops17h 27mKLM

Tue 4/1117:25CWL - ORD

1 stop26h 55mKLM

Deal found 16/10£586

Wed 3/1207:00ORD - CWL

2 stops20h 50mDelta

Sun 7/1210:20CWL - ORD

1 stop34h 00mDelta

Deal found 16/10£593

Wed 3/1210:35ORD - CWL

2 stops24h 20mVirgin Atlantic

Sun 7/1210:20CWL - ORD

1 stop34h 00mVirgin Atlantic

Deal found 14/10£595

Sun 21/1212:20ORD - CWL

2 stops15h 30mKLM

Thu 25/1210:20CWL - ORD

2 stops17h 14mKLM

Deal found 16/10£1,354

Cheap flight deals from O'Hare Intl to Cardiff

Round-trip from	£586
One-way from	£311

KLM
28/10-4/11
3 total stops
44h 22m total
Chicago to Cardiff

Search Deals

23/10
2 total stops
36h 00m total
Chicago to Cardiff

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 28/10

11:23-09:50

2 stops17h 27m

Cardiff Wales

Tue 4/11

17:25-14:20

1 stop26h 55m

£586

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 3/12

07:00-09:50

2 stops20h 50m

Cardiff Wales

Sun 7/12

10:20-14:20

1 stop34h 00m

£593

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 3/12

10:35-16:55

2 stops24h 20m

Cardiff Wales

Sun 7/12

10:20-14:20

1 stop34h 00m

£595

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sun 21/12

12:20-09:50

2 stops15h 30m

Cardiff Wales

Thu 25/12

10:20-21:34

2 stops17h 14m

£1,354

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Thu 23/10

18:00-12:00

2 stops36h 00m

£311

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Thu 23/10

16:15-09:15

1 stop11h 00m

£391

Flights are sorted by cheapest return flights first.

Deals found on 16/10

Best time to book a flight from O'Hare Intl to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from O'Hare Intl 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.

Related info for your journey

What airport do you fly into for flights to Cardiff from Chicago O'Hare Intl?
Most people fly into Cardiff Wales (CWL) if they book a flight to Cardiff from Chicago O'Hare Intl. On average, Cardiff Wales has 0 inbound flights from Chicago O'Hare Intl per day from 0 airlines. Cardiff Wales is conveniently located just 9.1 mi from Cardiff’s city center.
How long is the flight from Chicago O'Hare Intl Airport to Cardiff?
For as low as £586, KLM can have you in Cardiff from Chicago O'Hare Intl Airport in 17h 27m. Airlines will cover a distance of 3831 mi. This flight may include one or multiple stops.
Can I find deals for flights from O'Hare Intl to Cardiff that include hotel bookings?
Yes. In addition to deals on O'Hare Intl to Cardiff flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from O'Hare Intl to Cardiff?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Cardiff.
Can I find deals for business class flights from O'Hare Intl to Cardiff?
Yes. Cheapflights offers flight deals from O'Hare Intl 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.

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Can Cheapflights find flights from O'Hare Intl to Cardiff with no change fees?

Certainly. Search results for flights to Cardiff from O'Hare Intl 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 O'Hare Intl to Cardiff become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Cardiff from O'Hare Intl today and book when prices fit your budget.

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Cheap flights from Chicago O'Hare Intl Airport to Cardiff from £311

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 23/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find flight deals from O'Hare Intl to Cardiff

Cheapest flights from O'Hare Intl to CardiffExplore the most affordable flight options available from O'Hare Intl to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.

Explore the most affordable flight options available from O'Hare Intl to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.

Cheap flight deals from O'Hare Intl to Cardiff

Round-trip from

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Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Cardiff that are best for you.

Best time to book a flight from O'Hare Intl to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from O'Hare Intl with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl 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 Chicago O'Hare Intl?

How long is the flight from Chicago O'Hare Intl Airport to Cardiff?

Can I find deals for flights from O'Hare Intl to Cardiff that include hotel bookings?

How can I find direct flights from O'Hare Intl to Cardiff?

Can I find deals for business class flights from O'Hare Intl to Cardiff?

Travelling to a place near Cardiff?

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Alternative routes for O'Hare Intl to Cardiff

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How does Cheapflights help users find flights from O'Hare Intl to Cardiff?

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Cardiff?

Can Cheapflights find flights from O'Hare Intl to Cardiff with no change fees?

Can Cheapflights notify me if prices for flights from O'Hare Intl to Cardiff become cheaper?

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Cheapest flights from O'Hare Intl to Cardiff
Explore the most affordable flight options available from O'Hare Intl to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.