Cheap flights from Cardiff to Chicago O'hare International Airport

from as little as £645

99 nights in Chicago, departing Cardiff on 26 / Aug / 2025 with KLM (price found 4 hours ago)

Subject to availability, prices correct of the last 24 hours
Chicago O'hare International Airport

Cheap return flights from Cardiff to Chicago O'hare International Airport

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The Cardiff / Chicago O'hare International Airport route

All 6174 km of it

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Chicago O'hare International Airport flight facts

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Alternative flights from the UK to Chicago O'hare International Airport

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Chicago O'hare International Airport

Today alone, Netflights has searched over 30 flights. 26 / Aug / 2025 is currently the lowest priced day of the year to fly the Cardiff/Chicago O'hare International Airport route. There are around ten flights on any given week from the UK to Chicago O'hare International Airport and the cheapest month to fly right now is August.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)
LOWEST

-9 °C

AVG

10 °C

HIGHEST

29 °C

Rainfall (mm)
LOWEST

43.2 mm

AVG

78.5 mm

HIGHEST

124.5 mm

Key facts about Chicago O'hare International Airport

How to get cheap flights from Cardiff to Chicago O'hare International Airport

Tips and advice from our flight experts

We've scanned every flight from Cardiff to Chicago to find the best deals. If you want a cheap flight, it's best to be as flexible as you can on dates. At the moment, the cheapest flight is on 26 / Aug / 2025. If that day's no good for you, try searching by month to see some alternative dates.

Chicago O'hare International Airport is just one of the airports in Chicago. If you're not set on a specific airport, try changing your search from Chicago O'hare International Airport to Chicago to see a broader range of flights – they might be cheaper. It usually takes about 16 hrs 30 mins to fly 6174 km to Chicago O'hare International Airport.

ten flights go to or via Chicago every week. Cheap flights Currently, the cheapest price available is £645. The most popular airline is Virgin Atlantic but do spend some time checking all your options – they aren’t necessarily the cheapest airline to book with.

You can expect accommodation prices to be higher at this time of year too. Last-minute deals do crop up, but it's best to book everything in advance to avoid disappointment.

Other popular destinations near Chicago O'hare International Airport

Where other people are flying to

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