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Cheap flights from Cardiff to Chicago from $493

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 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Cardiff to Chicago

Cheap round-trip flights

Logo
9:00 am - 2:00 pmCWL-ORD
11h 00m1 stop
Logo
3:45 pm - 10:35 amORD-CWL
12h 50m1 stop
$578
Find Deal
Sat, Sep 13 - Sat, Sep 20
Logo
9:00 am - 2:00 pmCWL-ORD
11h 00m1 stop
Logo
3:45 pm - 9:15 amORD-CWL
35h 30m2 stops
$721
Find Deal
Sat, Sep 13 - Sat, Sep 20
Logo
11:00 am - 7:00 pmCWL-ORD
14h 00m1 stop
Logo
3:45 pm - 12:45 pmORD-CWL
15h 00m1 stop
$748
Find Deal
Sun, Sep 14 - Sun, Sep 21
Virgin Atlantic Logo
5:15 pm - 9:34 pmCWL-ORD
34h 19m2 stops
Virgin Atlantic Logo
7:59 pm - 9:15 amORD-CWL
55h 16m2 stops
$866Virgin Atlantic
Find Deal
Fri, Oct 3 - Sun, Oct 12
Virgin Atlantic Logo
5:15 pm - 2:10 pmCWL-ORD
26h 55m1 stop
Virgin Atlantic Logo
7:59 pm - 9:15 amORD-CWL
31h 16m2 stops
$873Virgin Atlantic
Find Deal
Fri, Oct 3 - Sun, Oct 12
Delta Logo
9:50 am - 9:15 pmCWL-ORD
17h 25m2 stops
Delta Logo
8:52 am - 9:15 amORD-CWL
18h 23m2 stops
$890Delta
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Sun, Sep 14 - Sun, Sep 21
British Airways Logo
12:00 pm - 11:50 amCWL-ORD
29h 50m2 stops
British Airways Logo
9:15 pm - 11:30 amORD-CWL
32h 15m2 stops
$923British Airways
Find Deal
Mon, Oct 6 - Mon, Oct 13
British Airways Logo
12:00 pm - 11:50 amCWL-ORD
29h 50m2 stops
British Airways Logo
9:15 pm - 11:30 amORD-CWL
32h 15m2 stops
$933British Airways
Find Deal
Mon, Oct 6 - Mon, Oct 13
KLM Logo
5:15 pm - 2:10 pmCWL-ORD
26h 55m1 stop
KLM Logo
1:25 pm - 9:15 amORD-CWL
13h 50m2 stops
$1,004KLM
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Mon, Oct 6 - Mon, Oct 13
KLM Logo
5:15 pm - 2:10 pmCWL-ORD
26h 55m1 stop
KLM Logo
1:25 pm - 9:15 amORD-CWL
13h 50m2 stops
$1,006KLM
Find Deal
Mon, Oct 6 - Mon, Oct 13

British Airways flights from Cardiff to Chicago O'Hare Intl Airport

Our best British Airways deals on Cardiff to Chicago O'Hare Intl Airport flight tickets
British Airways
Oct 6
CWL12:00 pmCardiff Wales
29h 50m
2 stops
ORD11:50 amChicago O'Hare Intl
Oct 13
ORD9:15 pmChicago O'Hare Intl
32h 15m
2 stops
CWL11:30 amCardiff Wales
$923
Find similar
British Airways
Oct 6
CWL12:00 pmCardiff Wales
29h 50m
2 stops
ORD11:50 amChicago O'Hare Intl
Oct 13
ORD9:15 pmChicago O'Hare Intl
32h 15m
2 stops
CWL11:30 amCardiff Wales
$933
Find similar
British Airways
Oct 6
CWL12:00 pmCardiff Wales
32h 40m
2 stops
ORD2:40 pmChicago O'Hare Intl
Oct 13
ORD9:15 pmChicago O'Hare Intl
32h 15m
2 stops
CWL11:30 amCardiff Wales
$935
Find similar

KLM flights from Cardiff to Chicago O'Hare Intl Airport

Our best KLM deals on Cardiff to Chicago O'Hare Intl Airport flight tickets
KLM
Oct 6
CWL5:15 pmCardiff Wales
26h 55m
1 stop
ORD2:10 pmChicago O'Hare Intl
Oct 13
ORD1:25 pmChicago O'Hare Intl
13h 50m
2 stops
CWL9:15 amCardiff Wales
$1,004
Find similar
KLM
Oct 6
CWL5:15 pmCardiff Wales
26h 55m
1 stop
ORD2:10 pmChicago O'Hare Intl
Oct 13
ORD1:25 pmChicago O'Hare Intl
13h 50m
2 stops
CWL9:15 amCardiff Wales
$1,006
Find similar
KLM
Oct 6
CWL5:15 pmCardiff Wales
26h 55m
1 stop
ORD2:10 pmChicago O'Hare Intl
Oct 13
ORD1:25 pmChicago O'Hare Intl
13h 50m
2 stops
CWL9:15 amCardiff Wales
$1,055
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated July 31, 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 9/13

9:00 am-2:00 pm

1 stop11h 00m

Chicago O'Hare Intl

Sat 9/20

3:45 pm-10:35 am

1 stop12h 50m

$578

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Sat 9/13

9:00 am-2:00 pm

1 stop11h 00m

Chicago O'Hare Intl

Sat 9/20

3:45 pm-9:15 am

2 stops35h 30m

$721

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Sun 9/14

11:00 am-7:00 pm

1 stop14h 00m

Chicago O'Hare Intl

Sun 9/21

3:45 pm-12:45 pm

1 stop15h 00m

$748

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Fri 10/3

5:15 pm-9:34 pm

2 stops34h 19m

Chicago O'Hare Intl

Sun 10/12

7:59 pm-9:15 am

2 stops55h 16m

$866

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Fri 10/3

5:15 pm-2:10 pm

1 stop26h 55m

Chicago O'Hare Intl

Sun 10/12

7:59 pm-9:15 am

2 stops31h 16m

$873

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Sun 9/14

9:50 am-9:15 pm

2 stops17h 25m

Chicago O'Hare Intl

Sun 9/21

8:52 am-9:15 am

2 stops18h 23m

$890

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 10/6

12:00 pm-11:50 am

2 stops29h 50m

Chicago O'Hare Intl

Mon 10/13

9:15 pm-11:30 am

2 stops32h 15m

$923

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 10/6

12:00 pm-11:50 am

2 stops29h 50m

Chicago O'Hare Intl

Mon 10/13

9:15 pm-11:30 am

2 stops32h 15m

$933

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 10/6

5:15 pm-2:10 pm

1 stop26h 55m

Chicago O'Hare Intl

Mon 10/13

1:25 pm-9:15 am

2 stops13h 50m

$1,004

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 10/6

5:15 pm-2:10 pm

1 stop26h 55m

Chicago O'Hare Intl

Mon 10/13

1:25 pm-9:15 am

2 stops13h 50m

$1,006

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
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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 round-trip 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

Best Price Found

$493

Fastest flight time

11h 00m

Direct flights

None
The best one-way flight to Chicago O'Hare Intl Airport from Cardiff in the past 72 hours is $493. The best round-trip flight deal from Cardiff to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $578.
The fastest flight from Cardiff to Chicago O'Hare Intl Airport takes 11h 00m
There are no direct flights from Cardiff to Chicago O'Hare Intl Airport. Popular non-direct route for this connection is Cardiff Wales Airport - Chicago O'Hare Intl Airport.
Search flight deals

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

    The distance between Cardiff Wales and Chicago O'Hare Intl is about 3834.5 mi. In terms of flight time, this usually takes a little over 11h 00m.

  • 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 were last updated today.

  • 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 necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Cardiff to Chicago O'Hare Intl Airport?

    Price Alerts will notify you by email when the price for flights to Chicago O'Hare Intl Airport from Cardiff decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Cardiff to Chicago O'Hare Intl Airport with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Rockford
Schaumburg
South Haven
Merrillville
Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Racine
Hammond
Tinley Park
Elgin
Orland Park
Aurora
Janesville
Benton Harbor

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Cardiff to Chicago. Millions of users trust and use momondo every year so you are in good hands.

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.

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