Cheap flights from Cardiff to Chicago

Q: What are the cheapest airlines?

KLM, Virgin Atlantic. These airlines usually offer the cheapest flights from Cardiff to Chicago.

Q: What airlines fly indirectly?

KLM, Virgin Atlantic. These airlines fly from Cardiff to Chicago, but you’ll have at least one layover.

Q: How long is the flight?

14 hrs 45 mins. This is the shortest flight time from Cardiff to Chicago.

from as little as £605

4 nights in Chicago, departing Cardiff on 18 / Sep / 2025 with KLM (price found 43 hours ago)

Subject to availability, prices correct of the last 24 hours

Part of the Emirates Group

Safe & Secure, ATOL Protected

Over 30 Years in Business

Rated 'Excellent' on Trustpilot

Cheap return flights from Cardiff to Chicago

Find the best deals

The Cardiff / Chicago route

All 6179 km of it

Cheap flight deals for this route

See what's hot at the moment

Chicago flight facts

What you need to know

What are the cheapest airlines?

KLM
Virgin Atlantic

These airlines usually offer the cheapest flights from Cardiff to Chicago.

What airlines fly indirectly?

KLM
Virgin Atlantic

These airlines fly from Cardiff to Chicago, but you’ll have at least one layover.

How long is the flight?

14 hrs 45 mins

This is the shortest flight time from Cardiff to Chicago.

Alternative flights from the UK to Chicago

Check out prices for other routes

London to Chicago

from £398 pp

Find flights

Manchester to Chicago

from £461 pp

Find flights

Edinburgh to Chicago

from £500 pp

Find flights

Birmingham to Chicago

from £538 pp

Find flights

Cardiff to Chicago Midway Airport

search for price

Find flights

Cardiff to Chicago O'hare International Airport

from £605 pp

Find flights

Alternative flights from Cardiff to Chicago

You might find cheaper flights nearby

Minneapolis-St Paul from Cardiff

from £1,500 pp

Find flights

Toronto from Cardiff

from £516 pp

Find flights

Atlanta from Cardiff

from £967 pp

Find flights

Washington DC from Cardiff

from £661 pp

Find flights

Philadelphia from Cardiff

from £660 pp

Find flights

New York from Cardiff

from £438 pp

Find flights

Today alone, Netflights has searched over 40 flights. 18 / Sep / 2025 is currently the lowest priced day of the year to fly the Cardiff/Chicago route. There are around 30 flights on any given week from the UK to Chicago and the cheapest month to fly right now is September.

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

Key facts about Chicago

Currency

United States dollar

Language

English

Timezone

6 hrs behind GMT

How to get cheap flights from Cardiff to Chicago

Tips and advice from our flight experts

There are 30 direct and indirect flights connecting Cardiff and Chicago every week, with the journey taking 14 hrs 50 mins on average. Scroll through your results to compare flight times and prices – the cheapest flight from Cardiff to Chicago is currently sitting at £605.

Being flexible with your dates could help you find a cheaper flight from Cardiff to Chicago.

Chicago actually has two airports – but Chicago O'hare International Airport is normally the cheapest one to fly into. If you're not sure who to fly with from Cardiff, you might like to know that KLM is the most popular airline for this route.

If you can’t quite find what you’re looking for, try checking flight prices to other cities in the USA. Netflights has scanned 40 flights across the globe – and that's just today – so you're bound to find one that works for you.