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

For as low as £1,277, KLM can have you in Cardiff from Chicago O'Hare Intl Airport in 11h 20m. 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.

£814+ 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 14 October 2026.

Mon 9/1116:25 -

1 stop18h 35m

Tue 24/1117:30 -

1 stop26h 55m

Deal found 12/10£814

Mon 9/1107:05 -

2 stops27h 55m

Tue 24/1110:20 -

1 stop34h 05m

Deal found 12/10£817

Sun 18/1015:45 -

1 stop24h 00m

Fri 23/1007:45 -

1 stop17h 30m

Deal found 12/10£1,079

Sun 18/1009:59 -

2 stops17h 16m

Fri 23/1009:45 -

2 stops17h 46m

Deal found 12/10£1,095

Mon 9/1118:30 -

3 stops35h 15m

Tue 24/1114:25 -

2 stops29h 45m

Deal found 12/10£1,141

Wed 23/1216:25 -

1 stop11h 20m

Fri 1/117:30 -

1 stop26h 55m

Deal found 11/10£1,277

Wed 23/1213:55 -

2 stops45h 05m

Fri 1/117:30 -

1 stop26h 55m

Deal found 11/10£1,361

Find flight deals from O'Hare Intl to Cardiff

Round-trip from	£814

KLM
9/11-24/11
2 total stops
45h 30m total
Chicago to Cardiff

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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.

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Route

Depart

Return

Price

Cheapest return flight

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Mon 9/11

16:25-17:00

1 stop18h 35m

Cardiff Wales

Tue 24/11

17:30-14:25

1 stop26h 55m

£814

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Mon 9/11

07:05-17:00

2 stops27h 55m

Cardiff Wales

Tue 24/11

10:20-14:25

1 stop34h 05m

£817

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Wed 23/12

13:55-17:00

2 stops45h 05m

Cardiff Wales

Fri 1/1

17:30-14:25

1 stop26h 55m

£1,361

Fastest return journey

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Wed 23/12

16:25-09:45

1 stop11h 20m

Cardiff Wales

Fri 1/1

17:30-14:25

1 stop26h 55m

£1,440

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Tue 22/12

10:02-09:50

2 stops17h 48m

Cardiff Wales

Fri 1/1

10:20-14:25

1 stop34h 05m

£1,487

Flights are sorted by cheapest return flights first.

Deals found on 12/10

Sorted 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 £1,277, KLM can have you in Cardiff from Chicago O'Hare Intl Airport in 11h 20m. 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 £814

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. 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 14 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 14 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 14 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 14 October 2026.

Last-minute flights from O'Hare Intl to CardiffDiscover last-minute flight deals from O'Hare Intl to Cardiff. Data last updated 14 October 2026 and is based on user searches.

Discover last-minute flight deals from O'Hare Intl to Cardiff. Data last updated 14 October 2026 and is based on user searches.

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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 14 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

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O'Hare Intl and Cardiff flights

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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 14 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 14 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 14 October 2026 and is based on user searches.