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Cheap flights from Cardiff to Chicago O'Hare Intl Airport from £506

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — ORD
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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 17 September 2025.

Round-trip from

£506
KLM
  • KLM
  • 31/10-7/11
  • 2 total stops
  • 52h 30m total
  • Cardiff to Chicago
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Find flight deals from Cardiff to O'Hare Intl

Cheapest flights from Cardiff to O'Hare Intl
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 17 September 2025.

Fri 31/1010:20CWL - ORD
1 stop34h 00mKLM
Fri 7/1116:25ORD - CWL
1 stop18h 30mKLM
Deal found 16/9£506
Fri 31/1010:20CWL - ORD
2 stops27h 09mVirgin Atlantic
Fri 7/1116:25ORD - CWL
1 stop11h 25mVirgin Atlantic
Deal found 16/9£514
Fri 31/1022:25CWL - ORD
2 stops24h 55mMultiple Airlines
Fri 7/1120:15ORD - CWL
3 stops31h 35mMultiple Airlines
Deal found 16/9£706
Mon 6/1017:15CWL - ORD
1 stop26h 55mKLM
Mon 13/1013:25ORD - CWL
2 stops13h 50mKLM
Deal found 15/9£712

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 17 September 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

Cardiff

Fly to

O'Hare Intl

Route

Depart

Return

Price

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Fri 31/10

10:20-15:20

1 stop34h 00m

Chicago O'Hare Intl

Fri 7/11

16:25-16:55

1 stop18h 30m

£506

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 5/3

10:20-14:20

1 stop34h 00m

Chicago O'Hare Intl

Mon 9/3

10:35-16:55

2 stops25h 20m

£541

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 5/3

17:25-14:20

1 stop26h 55m

Chicago O'Hare Intl

Mon 9/3

17:25-09:50

1 stop11h 25m

£541

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Fri 31/10

22:25-18:20

2 stops24h 55m

Chicago O'Hare Intl

Fri 7/11

20:15-09:50

3 stops31h 35m

£706

Flights are sorted by cheapest return flights first.

Deals found on 16/9

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.
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.

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.

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.

  • What airport do you fly from for flights from Cardiff to Chicago O'Hare Intl?

    If you book a flight to Chicago O'Hare Intl from Cardiff, you will be flying from Cardiff Wales, which is the city’s only airport. Cardiff Wales (CWL) is located 9.1 mi from the center of Cardiff. There are 0 flights from Cardiff Wales to Chicago O'Hare Intl per day from 0 different airlines.

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

    KLM, Delta, and Virgin Atlantic can get you from Cardiff to Chicago O'Hare Intl Airport in just under 26h 55m. Your travel time can differ by up to 7h 05m. Cardiff and Chicago O'Hare Intl Airport are separated by a distance of 3831 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Cardiff to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Cardiff to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to O'Hare Intl.

  • Can I find deals for business class flights from Cardiff to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Cardiff to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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.

See more FAQs

Travelling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Downers Grove
Elk Grove Village
Rosemont

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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.
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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.

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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.

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