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

For as low as £825, KLM can have you in Cardiff from Chicago O'Hare Intl Airport in 11h 25m. 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.

£570+ Cheap Flights from Chicago O'Hare Intl Airport to Cardiff

Cheap flight deals from O'Hare Intl to Cardiff

Enter your travel dates to find the best prices.

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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 28 October 2026.

Thu 10/1217:40 -

2 stops32h 10m

Thu 17/1213:25 -

1 stop30h 45m

Deal found 26/10£748

Fri 25/1215:55 -

1 stop9h 55m

Mon 28/1208:35 -

1 stop15h 45m

Deal found 27/10£800

Sat 12/1220:05 -

1 stop30h 05m

Sat 19/1208:15 -

2 stops15h 05m

Deal found 28/10£802

Mon 23/1113:35 -

2 stops14h 10m

Mon 30/1117:30 -

2 stops28h 47m

Deal found 24/10£846

Mon 23/1118:30 -

3 stops35h 15m

Mon 30/1108:35 -

3 stops33h 09m

Deal found 24/10£1,042

Find flight deals from O'Hare Intl to Cardiff

Round-trip from	£748
One-way from	£570

10/12-17/12
3 total stops
62h 55m total
Chicago to Cardiff

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23/12-31/12
1 total stop
15h 05m 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.

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Route

Depart

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Price

Cheapest return flight

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Tue 22/12

20:05-21:15

1 stop19h 10m

Cardiff Wales

Wed 31/12

00:00-17:00

Nonstop0h 00m

£586

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Wed 23/12

15:56-09:50

2 stops35h 54m

Cardiff Wales

Wed 31/12

00:00-17:00

Nonstop0h 00m

£625

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Fri 25/12

15:55-07:50

1 stop9h 55m

Cardiff Wales

Mon 28/12

08:35-18:20

1 stop15h 45m

£800

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Wed 13/1

16:25-09:50

1 stop11h 25m

Cardiff Wales

Wed 20/1

17:30-14:25

1 stop26h 55m

£825

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Thu 25/2

16:25-17:00

1 stop18h 35m

Cardiff Wales

Sat 27/2

17:30-14:25

1 stop26h 55m

£840

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Thu 25/2

12:15-09:50

2 stops15h 35m

Cardiff Wales

Sat 27/2

17:30-14:25

1 stop26h 55m

£843

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Mon 23/11

13:35-09:45

2 stops14h 10m

Cardiff Wales

Mon 30/11

17:30-16:17

2 stops28h 47m

£846

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Thu 25/2

10:30-09:50

2 stops17h 20m

Cardiff Wales

Sat 27/2

10:20-20:37

2 stops16h 17m

£850

Fastest return journey

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Wed 18/11

16:25-17:00

1 stop18h 35m

Cardiff Wales

Wed 31/12

00:00-17:00

Nonstop0h 00m

£889

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Sat 12/12

18:30-13:55

2 stops13h 25m

Cardiff Wales

Sat 19/12

08:15-17:20

2 stops15h 05m

£933

Flights are sorted by cheapest return flights first.

Deals found on 26/10

Showing 1-10 of 13 resultsSorted by cheapest first

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.

ORD-CWL

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 £825, KLM can have you in Cardiff from Chicago O'Hare Intl Airport in 11h 25m. 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?

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Cheap flights from Chicago O'Hare Intl Airport to Cardiff from £570

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 28 October 2026.

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 28 October 2026.

Best flights from O'Hare Intl to CardiffDiscover 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 28 October 2026.

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 28 October 2026.

Last-minute flights from O'Hare Intl to CardiffDiscover last-minute flight deals from O'Hare Intl to Cardiff. Data last updated 28 October 2026 and is based on user searches.

Discover last-minute flight deals from O'Hare Intl to Cardiff. Data last updated 28 October 2026 and is based on user searches.

One-way flights from O'Hare Intl to CardiffSearch for one-way flight options from O'Hare Intl to Cardiff. Find affordable one-way fares based on user searches. Data last updated 28 October 2026.

Search for one-way flight options from O'Hare Intl to Cardiff. Find affordable one-way fares based on user searches. Data last updated 28 October 2026.

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

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Related info for your journey

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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Other flights to Cardiff

Explore flights to Cardiff departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 28 October 2026.

Complete your trip

Complete your trip to Cardiff by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Wales

Book a non-stop flight to one of these other cities located in Wales.

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O'Hare Intl and Cardiff flights

Browse other O'Hare Intl and Cardiff flight options. Last updated on 28 October 2026.

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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 28 October 2026.

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 28 October 2026.

Last-minute flights from O'Hare Intl to Cardiff
Discover last-minute flight deals from O'Hare Intl to Cardiff. Data last updated 28 October 2026 and is based on user searches.

One-way flights from O'Hare Intl to Cardiff
Search for one-way flight options from O'Hare Intl to Cardiff. Find affordable one-way fares based on user searches. Data last updated 28 October 2026.