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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.
CWL — ORD
7 Sep — 14 Sep1
1 adult

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
6/10-13/10
  • 6/10-13/10
  • 2 total stops
  • 24h 30m total
  • Cardiff to Chicago
Search Deals
25/9
  • 25/9
  • 2 total stops
  • 26h 10m total
  • Cardiff to Chicago
Search Deals

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 2 September 2025.

Mon 6/1013:10CWL - ORD
1 stop11h 50mMultiple Airlines
Mon 13/1021:15ORD - CWL
1 stop12h 40mMultiple Airlines
Deal found 31/8£747
Mon 6/1009:50CWL - ORD
2 stops17h 49mDelta
Mon 13/1008:57ORD - CWL
2 stops18h 18mDelta
Deal found 31/8£811
Mon 6/1017:15CWL - ORD
1 stop26h 55mKLM
Mon 13/1016:40ORD - CWL
1 stop10h 35mKLM
Deal found 31/8£819

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 2 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

Mon 6/10

13:10-19:00

1 stop11h 50m

Chicago O'Hare Intl

Mon 13/10

21:15-15:55

1 stop12h 40m

£747

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

£811

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

£819

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 25/9

20:20-16:30

2 stops26h 10m

£320

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Fri 26/9

12:25-11:10

3 stops52h 45m

£369

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Sat 27/9

09:00-11:10

3 stops32h 10m

£373

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Sat 27/9

17:35-14:10

1 stop26h 35m

£1,271

Flights are sorted by cheapest return flights first.

Deals found on 1/9

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?

    Delta and KLM can get you from Cardiff to Chicago O'Hare Intl Airport in just under 17h 49m. Your travel time can differ by up to 9h 06m. 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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Manchester to Midway flights
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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.

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