Cheap flights from Cardiff to Chicago O'Hare Intl Airport from £320
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 25/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Cardiff to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to O'Hare Intl (ORD). 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 2 September 2025.
Round-trip from | £747 |
---|---|
One-way from | £320 |
Find flight deals from Cardiff to O'Hare Intl
Cheapest flights from Cardiff to O'Hare IntlExplore the most affordable flight options available from Cardiff to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 September 2025.
Explore the most affordable flight options available from Cardiff to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 September 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Cardiff to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
CardiffChicago
CWL - ORD
CWLORD
Cardiff Wales
Mon 6/10
13:10-19:00
1 stop11h 50m
Chicago O'Hare Intl
Mon 13/10
21:15-15:55
1 stop12h 40m
CardiffChicago
CWL - ORD
CWLORD
Cardiff Wales
Mon 6/10
09:50-21:39
2 stops17h 49m
Chicago O'Hare Intl
Mon 13/10
08:57-09:15
2 stops18h 18m
CardiffChicago
CWL - ORD
CWLORD
Cardiff Wales
Mon 6/10
17:15-14:10
1 stop26h 55m
Chicago O'Hare Intl
Mon 13/10
16:40-09:15
1 stop10h 35m
CardiffChicago
CWL - ORD
CWLORD
Cardiff Wales
Thu 25/9
20:20-16:30
2 stops26h 10m
CardiffChicago
CWL - ORD
CWLORD
Cardiff Wales
Fri 26/9
12:25-11:10
3 stops52h 45m
CardiffChicago
CWL - ORD
CWLORD
Cardiff Wales
Sat 27/9
09:00-11:10
3 stops32h 10m
CardiffChicago
CWL - ORD
CWLORD
Cardiff Wales
Sat 27/9
17:35-14:10
1 stop26h 35m
Best time to book a flight from Cardiff to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Cardiff with our price prediction graph.
Cheapflights Insights
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Related info for your journey
Find useful and relevant information for your journey from Cardiff to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Cardiff to O'Hare Intl
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How does Cheapflights help users find flights from Cardiff to O'Hare Intl?
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Can Cheapflights find flights from Cardiff to O'Hare Intl with no change fees?
Need flexible booking options for your flight to O'Hare Intl from Cardiff? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Cardiff to O'Hare Intl become cheaper?
Not ready to book yet? You can track prices for flights from Cardiff to O'Hare Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.