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

For as low as £682, KLM can have you in Cardiff from Chicago O'Hare Intl Airport in 13h 45m. Airlines will cover a distance of 3831 mi.

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.

£251+ 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.

Cheapest

Best

Last-minute

One-way

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 13 September 2026.

Mon 26/1019:30 -

2 stops21h 20m

Mon 2/1108:35 -

1 stop15h 45m

Deal found 10/9£664

Mon 12/1012:30 -

2 stops14h 45m

Mon 19/1017:15 -

1 stop27h 00m

Deal found 12/9£682

Mon 26/1015:05 -

2 stops13h 40m

Mon 2/1117:30 -

2 stops29h 50m

Deal found 10/9£690

Tue 6/1015:45 -

1 stop25h 40m

Tue 13/1021:45 -

2 stops44h 55m

Deal found 8/9£749

Thu 15/1016:15 -

1 stop18h 30m

Sun 25/1010:20 -

1 stop34h 05m

Deal found 10/9£753

Wed 30/1216:25 -

1 stop18h 35m

Sat 9/117:30 -

1 stop26h 55m

Deal found 8/9£781

Thu 15/1011:05 -

3 stops29h 15m

Sun 25/1023:50 -

1 stop20h 20m

Deal found 10/9£785

Find flight deals from O'Hare Intl to Cardiff

Round-trip from	£664
One-way from	£251

26/10-2/11
3 total stops
37h 05m total
Chicago to Cardiff

Search Deals

28/9-31/12
3 total stops
21h 25m 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

Cheapest return flight

Fastest return journey

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Mon 28/9

19:25-22:50

3 stops21h 25m

Cardiff Wales

Wed 31/12

00:00-17:00

Nonstop0h 00m

£251

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Mon 26/10

19:30-21:50

2 stops21h 20m

Cardiff Wales

Mon 2/11

08:35-18:20

1 stop15h 45m

£664

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Tue 27/10

15:05-09:50

2 stops13h 45m

Cardiff Wales

Tue 3/11

17:30-14:25

1 stop26h 55m

£682

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Mon 12/10

12:30-09:15

2 stops14h 45m

Cardiff Wales

Mon 19/10

17:15-14:15

1 stop27h 00m

£682

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Mon 26/10

15:05-09:45

2 stops13h 40m

Cardiff Wales

Mon 2/11

17:30-17:20

2 stops29h 50m

£690

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Tue 6/10

15:45-23:25

1 stop25h 40m

Cardiff Wales

Tue 13/10

21:45-12:40

2 stops44h 55m

£749

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Thu 15/10

16:15-16:45

1 stop18h 30m

Cardiff Wales

Sun 25/10

10:20-15:25

1 stop34h 05m

£753

ChicagoCardiff

ORD Chicago O'Hare Intl - CWL Cardiff Wales

ORDCWL

Chicago O'Hare Intl

Wed 30/12

16:25-17:00

1 stop18h 35m

Cardiff Wales

Sat 9/1

17:30-14:25

1 stop26h 55m

£781

Flights are sorted by cheapest return flights first.

Deals found on 10/9

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 £682, KLM can have you in Cardiff from Chicago O'Hare Intl Airport in 13h 45m. Airlines will cover a distance of 3831 mi.
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 £251

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/9. 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 13 September 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 13 September 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 13 September 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 13 September 2026.

Last-minute flights from O'Hare Intl to CardiffDiscover last-minute flight deals from O'Hare Intl to Cardiff. Data last updated 13 September 2026 and is based on user searches.

Discover last-minute flight deals from O'Hare Intl to Cardiff. Data last updated 13 September 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 13 September 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 13 September 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

See prices for flight routes from nearby airports that may be better suited for you.

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 13 September 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.

Search flights from O'Hare Intl to Cardiff by cabin class

Find flights from O'Hare Intl to Cardiff, based on your preferred cabin class, be it economy, premium economy, business, or first class.

O'Hare Intl and Cardiff flights

Browse other O'Hare Intl and Cardiff flight options. Last updated on 13 September 2026.

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

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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 13 September 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 13 September 2026.

Last-minute flights from O'Hare Intl to Cardiff
Discover last-minute flight deals from O'Hare Intl to Cardiff. Data last updated 13 September 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 13 September 2026.