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Cheap flights from Cardiff to Chicago from £372

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 21/5. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Cardiff to Chicago

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
17:15 - 14:30
CWL
-
ORD
27h 15m
1 stop
KLM Logo
16:20 - 16:45
ORD
-
CWL
18h 25m
1 stop
£649KLM
Tue, 14 Apr - Tue, 21 Apr
KLM Logo
17:15 - 14:30
CWL
-
ORD
27h 15m
1 stop
KLM Logo
19:09 - 16:45
ORD
-
CWL
15h 36m
2 stops
£652KLM
Tue, 14 Apr - Tue, 21 Apr
KLM Logo
09:45 - 21:57
CWL
-
ORD
18h 12m
2 stops
KLM Logo
19:09 - 16:45
ORD
-
CWL
15h 36m
2 stops
£659KLM
Tue, 14 Apr - Tue, 21 Apr
KLM Logo
09:45 - 20:40
CWL
-
ORD
16h 55m
2 stops
KLM Logo
16:50 - 09:15
ORD
-
CWL
10h 25m
1 stop
£674KLM
Mon, 4 May - Mon, 11 May
KLM Logo
17:15 - 14:15
CWL
-
ORD
27h 00m
1 stop
KLM Logo
16:20 - 09:15
ORD
-
CWL
10h 55m
1 stop
£677KLM
Thu, 30 Apr - Thu, 7 May
Air France Logo
09:45 - 20:40
CWL
-
ORD
16h 55m
2 stops
Air France Logo
16:20 - 16:45
ORD
-
CWL
18h 25m
1 stop
£685Air France
Thu, 30 Apr - Thu, 7 May
KLM Logo
17:15 - 14:15
CWL
-
ORD
27h 00m
1 stop
KLM Logo
16:50 - 09:15
ORD
-
CWL
10h 25m
1 stop
£689KLM
Mon, 4 May - Mon, 11 May
Multiple Airlines Logo
07:30 - 19:15
CWL
-
ORD
17h 45m
1 stop
Multiple Airlines Logo
21:00 - 21:20
ORD
-
CWL
18h 20m
1 stop
£692Multiple Airlines
Sat, 2 May - Sat, 9 May
Delta Logo
09:45 - 20:40
CWL
-
ORD
16h 55m
2 stops
Delta Logo
19:00 - 16:45
ORD
-
CWL
15h 45m
2 stops
£693Delta
Mon, 4 May - Mon, 11 May
KLM Logo
17:15 - 15:10
CWL
-
ORD
27h 55m
2 stops
KLM Logo
19:09 - 16:45
ORD
-
CWL
15h 36m
2 stops
£695KLM
Tue, 28 Apr - Tue, 5 May

Delta flights from Cardiff to Chicago O'Hare Intl Airport

Our best Delta deals on Cardiff to Chicago O'Hare Intl Airport flight tickets
Delta
4 May
CWL09:45Cardiff Wales
16h 55m
2 stops
ORD20:40Chicago O'Hare Intl
11 May
ORD19:00Chicago O'Hare Intl
15h 45m
2 stops
CWL16:45Cardiff Wales
£693
Delta
1 May
CWL09:45Cardiff Wales
17h 44m
2 stops
ORD21:29Chicago O'Hare Intl
8 May
ORD17:19Chicago O'Hare Intl
17h 46m
2 stops
CWL17:05Cardiff Wales
£769
Delta
22 Jun
CWL09:45Cardiff Wales
18h 21m
2 stops
ORD22:06Chicago O'Hare Intl
6 Jul
ORD17:45Chicago O'Hare Intl
17h 00m
2 stops
CWL16:45Cardiff Wales
£891

Virgin Atlantic flights from Cardiff to Chicago O'Hare Intl Airport

Our best Virgin Atlantic deals on Cardiff to Chicago O'Hare Intl Airport flight tickets
Virgin Atlantic
1 Jul
CWL17:15Cardiff Wales
29h 21m
2 stops
ORD16:36Chicago O'Hare Intl
31 Aug
ORD10:35Chicago O'Hare Intl
24h 10m
2 stops
CWL16:45Cardiff Wales
£938
Virgin Atlantic
1 Jul
CWL17:15Cardiff Wales
34h 21m
2 stops
ORD21:36Chicago O'Hare Intl
31 Aug
ORD17:20Chicago O'Hare Intl
17h 25m
2 stops
CWL16:45Cardiff Wales
£955
Virgin Atlantic
1 Jul
CWL17:15Cardiff Wales
46h 45m
2 stops
ORD10:00Chicago O'Hare Intl
31 Aug
ORD17:20Chicago O'Hare Intl
17h 25m
2 stops
CWL16:45Cardiff Wales
£974

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 20 March 2026.
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

Cheapest return flight

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Tue 14/4

17:15-14:30

1 stop27h 15m

Chicago O'Hare Intl

Tue 21/4

16:20-16:45

1 stop18h 25m

£649

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Tue 14/4

17:15-14:30

1 stop27h 15m

Chicago O'Hare Intl

Tue 21/4

19:09-16:45

2 stops15h 36m

£652

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Tue 14/4

09:45-21:57

2 stops18h 12m

Chicago O'Hare Intl

Tue 21/4

19:09-16:45

2 stops15h 36m

£659
Fastest return journey

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 4/5

09:45-20:40

2 stops16h 55m

Chicago O'Hare Intl

Mon 11/5

16:50-09:15

1 stop10h 25m

£674

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 30/4

17:15-14:15

1 stop27h 00m

Chicago O'Hare Intl

Thu 7/5

16:20-09:15

1 stop10h 55m

£677

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 30/4

09:45-20:40

2 stops16h 55m

Chicago O'Hare Intl

Thu 7/5

16:20-16:45

1 stop18h 25m

£685

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 4/5

17:15-14:15

1 stop27h 00m

Chicago O'Hare Intl

Mon 11/5

16:50-09:15

1 stop10h 25m

£689

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Sat 2/5

07:30-19:15

1 stop17h 45m

Chicago O'Hare Intl

Sat 9/5

21:00-21:20

1 stop18h 20m

£692

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 4/5

09:45-20:40

2 stops16h 55m

Chicago O'Hare Intl

Mon 11/5

19:00-16:45

2 stops15h 45m

£693

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Tue 28/4

17:15-15:10

2 stops27h 55m

Chicago O'Hare Intl

Tue 5/5

19:09-16:45

2 stops15h 36m

£695

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
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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 airline that flies from Cardiff Wales to Chicago O'Hare Intl?

WestJet is the most popular carrier operating from Cardiff Wales to Chicago O'Hare Intl

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

17h 45m

Direct flights

None
The fastest flight from Cardiff to Chicago O'Hare Intl Airport takes 17h 45m
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. 17h 45m 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 many operators does momondo search for flights from Cardiff Wales Airport to Chicago O'Hare Intl Airport?

  • 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.

  • What is the most popular airline from Cardiff to Chicago O'Hare Intl Airport?

Best airlines flying from Cardiff to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Cardiff to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom £550Free CancellationRating
7.8
1,473 reviews
Search KLM flights

Travelling to a place near Chicago?

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

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