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Cheap flights from Chicago to Cardiff from $666

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Cardiff departing on 12/17. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:50 pm - 10:05 amORD-CWL
12h 15m1 stop
Multiple Airlines Logo
7:55 am - 2:00 pmCWL-ORD
12h 05m1 stop
$666Multiple Airlines
Find Deal
Wed, Dec 17 - Wed, Dec 24
Delta Logo
4:25 pm - 9:50 amORD-CWL
11h 25m1 stop
Delta Logo
10:20 am - 2:20 pmCWL-ORD
34h 00m1 stop
$793Delta
Find Deal
Wed, Dec 3 - Sun, Dec 7
Delta Logo
10:36 am - 9:50 amORD-CWL
17h 14m2 stops
Delta Logo
10:20 am - 2:20 pmCWL-ORD
34h 00m1 stop
$798Delta
Find Deal
Wed, Dec 3 - Sun, Dec 7
Delta Logo
1:14 pm - 4:55 pmMDW-CWL
21h 41m2 stops
Delta Logo
10:20 am - 11:47 pmCWL-MDW
43h 27m2 stops
$808Delta
Find Deal
Wed, Dec 3 - Sun, Dec 7
Delta Logo
9:49 am - 9:50 amORD-CWL
18h 01m2 stops
Delta Logo
10:20 am - 4:45 pmCWL-ORD
36h 25m2 stops
$808Delta
Find Deal
Wed, Dec 3 - Sun, Dec 7
Delta Logo
4:25 pm - 9:50 amORD-CWL
11h 25m1 stop
Delta Logo
10:20 am - 2:20 pmCWL-ORD
34h 00m1 stop
$830Delta
Find Deal
Wed, Dec 3 - Sun, Dec 7
Delta Logo
4:25 pm - 9:50 amORD-CWL
11h 25m1 stop
Delta Logo
10:20 am - 2:20 pmCWL-ORD
34h 00m1 stop
$832Delta
Find Deal
Wed, Dec 3 - Sun, Dec 7
Delta Logo
8:55 am - 4:55 pmORD-CWL
26h 00m2 stops
Delta Logo
10:20 am - 2:20 pmCWL-ORD
34h 00m1 stop
$835Delta
Find Deal
Wed, Dec 3 - Sun, Dec 7
Multiple Airlines Logo
3:50 pm - 12:25 pmORD-CWL
14h 35m2 stops
Multiple Airlines Logo
7:55 am - 2:00 pmCWL-ORD
12h 05m1 stop
$910Multiple Airlines
Find Deal
Wed, Dec 17 - Wed, Dec 24
Virgin Atlantic Logo
7:05 am - 9:50 amORD-CWL
20h 45m2 stops
Virgin Atlantic Logo
10:20 am - 8:38 pmCWL-ORD
15h 18m2 stops
$2,587Virgin Atlantic
Find Deal
Sat, Feb 28 - Wed, Mar 11

Delta flights from Chicago to Cardiff

Our best Delta deals on Chicago to Cardiff flight tickets
Delta
Dec 3
ORD4:25 pmChicago O'Hare Intl
11h 25m
1 stop
CWL9:50 amCardiff Wales
Dec 7
CWL10:20 amCardiff Wales
34h 00m
1 stop
ORD2:20 pmChicago O'Hare Intl
$793
Find similar
Delta
Dec 3
ORD10:36 amChicago O'Hare Intl
17h 14m
2 stops
CWL9:50 amCardiff Wales
Dec 7
CWL10:20 amCardiff Wales
34h 00m
1 stop
ORD2:20 pmChicago O'Hare Intl
$798
Find similar
Delta
Dec 3
MDW1:14 pmChicago Midway
21h 41m
2 stops
CWL4:55 pmCardiff Wales
Dec 7
CWL10:20 amCardiff Wales
43h 27m
2 stops
MDW11:47 pmChicago Midway
$808
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Cardiff 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 November 2, 2025.
Use the filters below to find and compare flights from Chicago to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 12/17

3:50 pm-10:05 am

1 stop12h 15m

Cardiff Wales

Wed 12/24

7:55 am-2:00 pm

1 stop12h 05m

$666

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 12/3

4:25 pm-9:50 am

1 stop11h 25m

Cardiff Wales

Sun 12/7

10:20 am-2:20 pm

1 stop34h 00m

$793

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 12/3

10:36 am-9:50 am

2 stops17h 14m

Cardiff Wales

Sun 12/7

10:20 am-2:20 pm

1 stop34h 00m

$798

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Wed 12/3

1:14 pm-4:55 pm

2 stops21h 41m

Cardiff Wales

Sun 12/7

10:20 am-11:47 pm

2 stops43h 27m

$808

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 12/3

9:49 am-9:50 am

2 stops18h 01m

Cardiff Wales

Sun 12/7

10:20 am-4:45 pm

2 stops36h 25m

$808

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 12/3

4:25 pm-9:50 am

1 stop11h 25m

Cardiff Wales

Sun 12/7

10:20 am-2:20 pm

1 stop34h 00m

$830

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 12/3

4:25 pm-9:50 am

1 stop11h 25m

Cardiff Wales

Sun 12/7

10:20 am-2:20 pm

1 stop34h 00m

$832

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 12/3

8:55 am-4:55 pm

2 stops26h 00m

Cardiff Wales

Sun 12/7

10:20 am-2:20 pm

1 stop34h 00m

$835

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 12/17

3:50 pm-12:25 pm

2 stops14h 35m

Cardiff Wales

Wed 12/24

7:55 am-2:00 pm

1 stop12h 05m

$910

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sat 2/28

7:05 am-9:50 am

2 stops20h 45m

Cardiff Wales

Wed 3/11

10:20 am-8:38 pm

2 stops15h 18m

$2,587

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Cardiff from

How to get the cheapest flight ticket from Chicago to Cardiff

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 Cardiff?

The cheapest day to depart on your flight to Cardiff is on a Wednesday when prices can be found for as low as $873. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,500. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cardiff.

What is the cheapest time of day to depart on your flight to Cardiff?

Flying to Cardiff from Chicago in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,011 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,403 on average. Flights to Cardiff from Chicago at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Chicago to Cardiff

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

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

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

Direct flights

None
There are no direct flights from Chicago to Cardiff. There are no popular flight routes from Chicago to Cardiff.
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  • How far is Chicago to Cardiff Wales by plane?

    The straight-line distance from Chicago to Cardiff Wales is 3828.5 mi. 11h 25m is a normal flight duration for this route.

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

    Prices for flights from Chicago to Cardiff Wales Airport are updated daily.

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

  • What documentation or ID do you need to fly to Cardiff Wales Airport?

    The necessary travel and health documents for your Cardiff Wales 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.

  • What is the most popular airline from Chicago to Cardiff?

Why use momondo?

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

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

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

Flights from Chicago to Cardiff 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 Chicago to Cardiff?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Cardiff.

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

Yes momondo offers price alerts on flights to Cardiff from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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