Cheap flights from Cardiff to Chicago O'Hare Intl Airport from £445
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 10/7. 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 4 July 2025.
Round-trip from | £542 |
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One-way from | £445 |
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 4 July 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 4 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Cardiff to O'Hare Intl 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 4 July 2025.
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
Wed 8/10
09:50-22:02
2 stops18h 12m
Chicago O'Hare Intl
Mon 13/10
10:35-09:15
2 stops16h 40m
CardiffChicago
CWL - ORD
CWLORD
Cardiff Wales
Wed 8/10
09:50-21:46
2 stops17h 56m
Chicago O'Hare Intl
Mon 13/10
16:50-09:15
1 stop10h 25m
CardiffChicago
CWL - ORD
CWLORD
Cardiff Wales
Wed 8/10
09:50-22:02
2 stops18h 12m
Chicago O'Hare Intl
Mon 13/10
16:40-16:45
1 stop18h 05m
CardiffChicago
CWL - ORD
CWLORD
Cardiff Wales
Wed 8/10
09:50-14:40
1 stop10h 50m
Chicago O'Hare Intl
Mon 13/10
16:50-09:15
1 stop10h 25m
CardiffChicago
CWL - ORD
CWLORD
Cardiff Wales
Thu 10/7
07:55-16:10
2 stops38h 15m
CardiffChicago
CWL - ORD
CWLORD
Cardiff Wales
Wed 9/7
09:50-14:40
1 stop10h 50m
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
Everything you need to know about your flight from Cardiff to Chicago O'Hare Intl Airport
What is the cheapest month to book a flight from Cardiff to Chicago O'Hare Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Cardiff to Chicago O'Hare Intl Airport (average of £595). Flying from Cardiff to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £843). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated 4 July 2025.
See what other customers who have flown with Delta, KLM, andVirgin Atlantic from Cardiff to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Crew
Overall
Entertainment
Comfort
Food
Reviews
Kim,May 2025
PIH - SLC
Boarding
Crew
Overall
Entertainment
Comfort
Food
Reviews
Kim,May 2025
PIH - SLC
Boarding
Crew
Overall
Entertainment
Comfort
Food
Reviews
Kim,May 2025
PIH - SLC
Boarding
Crew
Overall
Entertainment
Comfort
Food
Reviews
Kim,May 2025
PIH - SLC
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.
Travelling to a place near Cardiff?
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Alternative routes for Cardiff to O'Hare Intl
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Cardiff to O'Hare Intl
Discover the top airline that operate flights from Cardiff to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 4 July 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from Cardiff to O'Hare Intl?
Cheapflights makes it easy to find Cardiff to O'Hare Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Cardiff to O'Hare Intl?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Cardiff to O'Hare Intl.
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.