Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Cardiff to Chicago from £532

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to Chicago departing on 20/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Cardiff to Chicago

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:05 - 14:45
CWL
-
ORD
24h 40m2 stops
Multiple Airlines Logo
10:00 - 20:55
ORD
-
CWL
28h 55m3 stops
£669Multiple Airlines
Sat, 31 Jan - Sat, 7 Feb
KLM Logo
17:25 - 16:38
CWL
-
ORD
29h 13m2 stops
KLM Logo
14:30 - 09:45
ORD
-
CWL
13h 15m2 stops
£676KLM
Sat, 31 Jan - Sat, 7 Feb
Multiple Airlines Logo
10:20 - 16:20
CWL
-
ORD
36h 00m3 stops
Multiple Airlines Logo
12:50 - 20:55
ORD
-
CWL
26h 05m3 stops
£722Multiple Airlines
Sat, 31 Jan - Sat, 7 Feb
Multiple Airlines Logo
20:05 - 19:15
CWL
-
ORD
29h 10m1 stop
Multiple Airlines Logo
21:00 - 20:55
ORD
-
CWL
17h 55m1 stop
£855Multiple Airlines
Sat, 31 Jan - Sat, 7 Feb

momondo Fare Finder

 
Customise your flight search to find flights from Cardiff to Chicago O'Hare Intl Airport 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, momondo users made 279,928 searches. Data last updated 18 December 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

Sat 31/1

20:05-14:45

2 stops24h 40m

Chicago O'Hare Intl

Sat 7/2

10:00-20:55

3 stops28h 55m

£669

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Sat 31/1

17:25-16:38

2 stops29h 13m

Chicago O'Hare Intl

Sat 7/2

14:30-09:45

2 stops13h 15m

£676

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Sat 31/1

10:20-16:20

3 stops36h 00m

Chicago O'Hare Intl

Sat 7/2

12:50-20:55

3 stops26h 05m

£722

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Sat 31/1

20:05-19:15

1 stop29h 10m

Chicago O'Hare Intl

Sat 7/2

21:00-20:55

1 stop17h 55m

£855

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Tue 20/1

06:50-15:00

3 stops38h 10m

£532

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Tue 20/1

06:50-19:15

2 stops42h 25m

£654

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Tue 20/1

10:20-14:20

1 stop34h 00m

£1,187

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Chicago from

How to get the cheapest flight ticket from Cardiff to Chicago O'Hare Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart from Cardiff to Chicago O'Hare Intl Airport is on a Thursday. Travellers who choose to depart for Chicago O'Hare Intl Airport on a Thursday will often find tickets for as low as £629. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Chicago O'Hare Intl Airport on Wednesday is £873.

When to book flights from Cardiff to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Cardiff to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Cardiff to Chicago O'Hare Intl Airport (CWL to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cardiff to Chicago O'Hare Intl Airport

Fastest flight time

24h 40m

Direct flights

None
The fastest flight from Cardiff to Chicago O'Hare Intl Airport takes 24h 40m
There are no direct flights from Cardiff to Chicago O'Hare Intl Airport. There are no popular flight routes from Cardiff to Chicago O'Hare Intl Airport.
Search flight deals

  • How far is Cardiff Wales to Chicago O'Hare Intl by plane?

    The straight-line distance from Cardiff Wales to Chicago O'Hare Intl is 3834.5 mi. 24h 40m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Cardiff Wales Airport to Chicago O'Hare Intl Airport?

    Prices for flights from Cardiff Wales Airport to Chicago O'Hare Intl Airport are updated daily.

  • How old do you have to be to fly from Cardiff Wales Airport to Chicago O'Hare Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cardiff Wales Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Racine
Evanston
Northbrook
Schaumburg
Lincolnshire
Lake Geneva
Joliet
Oak Park
Oak Brook
Elgin
Rosemont

Why use momondo?

Why should I use momondo to find a flight deal from Cardiff to Chicago?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Cardiff to Chicago. momondo saves you time and could save you money on your trip.

Can I find flights from Cardiff to Chicago with flexible booking policies on momondo?

momondo does allow users to show only those flights to Chicago from Cardiff which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Cardiff to Chicago?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from Cardiff.

I’m not ready to book a flight from Cardiff to Chicago right now. Can momondo alert me if prices change?

Price alerts on flights to Chicago from Cardiff are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Chicago O'Hare Intl Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 17/1
Sat 24/1
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Chicago