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Cheap flights from Chicago O'Hare Intl Airport to Cardiff from £185

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CWL
30 Mar — 6 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from O'Hare Intl to Cardiff

Enter your travel dates to find the best prices.

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 February 2026.

Wed 8/416:50
ORD
-
CWL
1 stop10h 25m
KLM
Wed 15/417:15
CWL
-
ORD
1 stop27h 00m
KLM
Deal found 26/2£594
Wed 8/410:40
ORD
-
CWL
2 stops16h 35m
Delta
Wed 15/409:45
CWL
-
ORD
1 stop10h 45m
Delta
Deal found 26/2£597
Sun 23/815:45
ORD
-
CWL
1 stop24h 15m
Multiple Airlines
Sun 6/917:40
CWL
-
ORD
2 stops26h 45m
Multiple Airlines
Deal found 27/2£613
Sun 12/416:20
ORD
-
CWL
1 stop18h 25m
KLM
Sun 19/417:15
CWL
-
ORD
1 stop27h 15m
KLM
Deal found 26/2£631
Thu 8/1018:10
ORD
-
CWL
2 stops16h 35m
Air France
Tue 20/1017:15
CWL
-
ORD
1 stop27h 15m
Air France
Deal found 26/2£634
Fri 1/516:20
ORD
-
CWL
1 stop10h 55m
KLM
Wed 6/509:45
CWL
-
ORD
1 stop10h 45m
KLM
Deal found 25/2£638
Fri 10/416:20
ORD
-
CWL
1 stop10h 55m
KLM
Mon 13/417:15
CWL
-
ORD
1 stop27h 00m
KLM
Deal found 27/2£653
Sun 12/421:00
ORD
-
CWL
1 stop19h 00m
Multiple Airlines
Sun 19/417:40
CWL
-
ORD
2 stops50h 45m
Multiple Airlines
Deal found 26/2£658
Fri 17/408:58
ORD
-
CWL
2 stops15h 57m
Multiple Airlines
Fri 24/422:45
CWL
-
ORD
1 stop26h 30m
Multiple Airlines
Deal found 25/2£660

Find flight deals from O'Hare Intl to Cardiff

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Cardiff (CWL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 February 2026.

Round-trip from

£594

One-way from

£185
KLM
  • KLM
  • 8/4-15/4
  • 2 total stops
  • 37h 25m total
  • Chicago to Cardiff
Search Deals
3/5
  • 3/5
  • 3 total stops
  • 45h 25m total
  • Chicago to Cardiff
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from O'Hare Intl 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 28 February 2026.
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

Wed 8/4

16:50-09:15

1 stop10h 25m

Cardiff Wales

Wed 15/4

17:15-14:15

1 stop27h 00m

£594

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 8/4

10:40-09:15

2 stops16h 35m

Cardiff Wales

Wed 15/4

09:45-21:29

2 stops17h 44m

£605

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sun 12/4

16:20-16:45

1 stop18h 25m

Cardiff Wales

Sun 19/4

17:15-14:30

1 stop27h 15m

£631

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Fri 1/5

16:20-17:05

1 stop18h 45m

Cardiff Wales

Wed 6/5

09:45-20:16

2 stops16h 31m

£645

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sun 23/8

15:45-22:00

1 stop24h 15m

Cardiff Wales

Sun 6/9

21:45-19:15

1 stop27h 30m

£662

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Fri 1/5

16:20-09:15

1 stop10h 55m

Cardiff Wales

Fri 8/5

17:15-14:15

1 stop27h 00m

£668

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Fri 10/4

16:20-09:15

1 stop10h 55m

Cardiff Wales

Mon 13/4

09:45-21:29

2 stops17h 44m

£694

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Fri 5/6

17:30-10:15

2 stops58h 45m

Cardiff Wales

Sun 14/6

21:45-16:59

2 stops25h 14m

£826

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sat 6/6

09:10-09:15

2 stops18h 05m

Cardiff Wales

Sat 13/6

09:45-22:06

2 stops18h 21m

£950

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sat 6/6

17:30-10:15

2 stops58h 45m

Cardiff Wales

Sat 13/6

11:35-16:40

2 stops35h 05m

£973

Flights are sorted by cheapest return flights first.

Deals found on 25/2

Showing 1-10 of 17 resultsSorted by cheapest first
1
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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

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?

    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 £594, KLM can have you in Cardiff from Chicago O'Hare Intl Airport in 10h 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.

See more FAQs

Travelling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Barry
Bridgend

Browse thousands of different options on Cheapflights for your next trip

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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.
O'Hare Intl to Manchester flights
Midway to Manchester flights
O'Hare Intl to Bristol flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Deals for O'Hare Intl to Cardiff flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from O'Hare Intl to Cardiff for you. Better yet — we are completely free to use.

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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