Which airlines fly to Chicago?

Aer Lingus, KLM and Virgin Atlantic are the top three most popular airlines that fly to Chicago from Cardiff according to our data. Aer Lingus is the first choice among our users, with 58% of people opting to fly with this airline when travelling to Chicago. Keep in mind that there are 3 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Cardiff Wales to Chicago?

Delta is the most popular carrier operating from Cardiff Wales to Chicago

When did momondo last update prices for flights from Cardiff Wales Airport to Chicago?

Prices for flights from Cardiff Wales Airport to Chicago were last updated today.

How many operators does momondo search for flights from Cardiff Wales Airport to Chicago?

As of July 2025, there is 1 operator available to choose from for flights from Cardiff Wales Airport to Chicago.

How old do you have to be to fly from Cardiff Wales Airport to Chicago?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Cardiff Wales Airport to Chicago.

What documentation or ID do you need to fly to Chicago?

The required travel and health documents for your Chicago trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£370 Cheap Flights from Cardiff to Chicago in 2025

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Find the cheapest flights from Cardiff to Chicago

Round-trip

One-way

Cheap return flights

07:55 - 19:00CWL-ORD

17h 05m1 stop

15:45 - 12:00ORD-CWL

14h 15m1 stop

£431

Find Deal

Thu, 11 Sep - Thu, 18 Sep

09:00 - 14:00CWL-ORD

11h 00m1 stop

15:45 - 10:35ORD-CWL

12h 50m1 stop

£434

Find Deal

Sat, 13 Sep - Sat, 20 Sep

17:15 - 21:34CWL-ORD

34h 19m2 stops

19:59 - 09:15ORD-CWL

55h 16m2 stops

£650Virgin Atlantic

Find Deal

Fri, 3 Oct - Sun, 12 Oct

17:15 - 14:10CWL-ORD

26h 55m1 stop

19:59 - 09:15ORD-CWL

31h 16m2 stops

£655Virgin Atlantic

Find Deal

Fri, 3 Oct - Sun, 12 Oct

09:45 - 18:35CWL-MDW

14h 50m2 stops

18:15 - 16:45MDW-CWL

16h 30m2 stops

£670Delta

Find Deal

Sat, 13 Sep - Sat, 20 Sep

12:00 - 11:50CWL-ORD

29h 50m2 stops

21:15 - 11:30ORD-CWL

32h 15m2 stops

£693British Airways

Find Deal

Mon, 6 Oct - Mon, 13 Oct

12:00 - 17:00CWL-ORD

35h 00m2 stops

21:15 - 11:30ORD-CWL

32h 15m2 stops

£695British Airways

Find Deal

Mon, 6 Oct - Mon, 13 Oct

17:15 - 14:10CWL-ORD

26h 55m1 stop

13:25 - 09:15ORD-CWL

13h 50m2 stops

£755KLM

Find Deal

Mon, 6 Oct - Mon, 13 Oct

17:15 - 14:10CWL-ORD

26h 55m1 stop

16:40 - 16:45ORD-CWL

18h 05m1 stop

£776KLM

Find Deal

Mon, 6 Oct - Mon, 13 Oct

09:50 - 18:25CWL-MDW

14h 35m2 stops

19:10 - 16:45MDW-CWL

15h 35m2 stops

£911Delta

Find Deal

Mon, 6 Oct - Mon, 13 Oct

British Airways flights from Cardiff to Chicago

Our best British Airways deals on Cardiff to Chicago flight tickets

British Airways

6 Oct

CWL12:00Cardiff Wales

29h 50m

2 stops

ORD11:50Chicago O'Hare Intl

13 Oct

ORD21:15Chicago O'Hare Intl

32h 15m

2 stops

CWL11:30Cardiff Wales

£693

Find similar

British Airways

6 Oct

CWL12:00Cardiff Wales

35h 00m

2 stops

ORD17:00Chicago O'Hare Intl

13 Oct

ORD21:15Chicago O'Hare Intl

32h 15m

2 stops

CWL11:30Cardiff Wales

£695

Find similar

British Airways

6 Oct

CWL12:00Cardiff Wales

32h 40m

2 stops

ORD14:40Chicago O'Hare Intl

13 Oct

ORD21:15Chicago O'Hare Intl

32h 15m

2 stops

CWL11:30Cardiff Wales

£702

Find similar

KLM flights from Cardiff to Chicago

Our best KLM deals on Cardiff to Chicago flight tickets

KLM

6 Oct

CWL17:15Cardiff Wales

26h 55m

1 stop

ORD14:10Chicago O'Hare Intl

13 Oct

ORD13:25Chicago O'Hare Intl

13h 50m

2 stops

CWL09:15Cardiff Wales

£755

Find similar

KLM

6 Oct

CWL17:15Cardiff Wales

26h 55m

1 stop

ORD14:10Chicago O'Hare Intl

13 Oct

ORD16:40Chicago O'Hare Intl

18h 05m

1 stop

CWL16:45Cardiff Wales

£776

Find similar

KLM

6 Oct

CWL17:15Cardiff Wales

26h 55m

1 stop

ORD14:10Chicago O'Hare Intl

13 Oct

ORD13:25Chicago O'Hare Intl

13h 50m

2 stops

CWL09:15Cardiff Wales

£788

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 11/9

07:55-19:00

1 stop17h 05m

Chicago O'Hare Intl

Thu 18/9

15:45-12:00

1 stop14h 15m

£431

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Sat 13/9

09:00-14:00

1 stop11h 00m

Chicago O'Hare Intl

Sat 20/9

15:45-10:35

1 stop12h 50m

£434

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Fri 3/10

17:15-21:34

2 stops34h 19m

Chicago O'Hare Intl

Sun 12/10

19:59-09:15

2 stops55h 16m

£650

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Fri 3/10

17:15-14:10

1 stop26h 55m

Chicago O'Hare Intl

Sun 12/10

19:59-09:15

2 stops31h 16m

£655

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Sat 13/9

09:45-18:35

2 stops14h 50m

Chicago Midway

Sat 20/9

18:15-16:45

2 stops16h 30m

£670

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 6/10

12:00-11:50

2 stops29h 50m

Chicago O'Hare Intl

Mon 13/10

21:15-11:30

2 stops32h 15m

£693

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 6/10

12:00-17:00

2 stops35h 00m

Chicago O'Hare Intl

Mon 13/10

21:15-11:30

2 stops32h 15m

£695

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 6/10

17:15-14:10

1 stop26h 55m

Chicago O'Hare Intl

Mon 13/10

13:25-09:15

2 stops13h 50m

£755

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 6/10

17:15-14:10

1 stop26h 55m

Chicago O'Hare Intl

Mon 13/10

16:40-16:45

1 stop18h 05m

£776

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Mon 6/10

09:50-18:25

2 stops14h 35m

Chicago Midway

Mon 13/10

19:10-16:45

2 stops15h 35m

£911

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Cardiff to Chicago

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

Prices

Airlines

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Monday when prices can be found for as low as £614. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Chicago is Tuesday, with ticket prices averaging around £909.

When to book flights from Cardiff to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Cardiff to Chicago according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Cardiff to Chicago (CWL to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cardiff to Chicago

Best price found	£370
Fastest flight time	11h 00m
Direct flights	None
Airports in Chicago	2 airports

The best one-way flight to Chicago from Cardiff in the past 72 hours is £370. The best return flight deal from Cardiff to Chicago found on momondo in the last 72 hours is £431.

The fastest flight from Cardiff to Chicago takes 11h 00m

There are no direct flights from Cardiff to Chicago. Popular non-direct routes for this connection are Cardiff Wales Airport - Chicago O'Hare Intl Airport and Cardiff Wales Airport - Chicago Midway Airport.

There are 2 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)

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How far is Cardiff Wales to Chicago by plane?
Cardiff Wales and Chicago are 3828.5 mi apart from one another. By plane, this route typically takes 11h 00m.
When did momondo last update prices for flights from Cardiff Wales Airport to Chicago?
Prices for flights from Cardiff Wales Airport to Chicago were last updated today.
How many operators does momondo search for flights from Cardiff Wales Airport to Chicago?
As of July 2025, there is 1 operator available to choose from for flights from Cardiff Wales Airport to Chicago.
How old do you have to be to fly from Cardiff Wales Airport to Chicago?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Cardiff Wales Airport to Chicago.
What documentation or ID do you need to fly to Chicago?
The required travel and health documents for your Chicago trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Cardiff to Chicago

Compare and see reviews for airlines that fly from Cardiff to Chicago with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom £552	Free Cancellation	Rating 7.8 1,383 reviews		Search KLM flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Cardiff to Chicago for you.

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

Flights from Cardiff to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

If you are not ready to book a flight from Cardiff to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.