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Cheap flights from Chicago to Cardiff from $501

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Cardiff departing on 6/2. 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 Chicago to Cardiff

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:45 pm - 10:25 pm
ORD
-
CWL
24h 40m
1 stop
Multiple Airlines Logo
11:30 pm - 6:15 pm
CWL
-
ORD
24h 45m
2 stops
$892Multiple Airlines
Wed, Apr 29 - Wed, May 6
Multiple Airlines Logo
9:00 pm - 11:25 pm
ORD
-
CWL
20h 25m
1 stop
Multiple Airlines Logo
10:50 pm - 6:15 pm
CWL
-
ORD
25h 25m
2 stops
$894Multiple Airlines
Tue, Apr 21 - Thu, May 7
Multiple Airlines Logo
3:45 pm - 11:25 pm
ORD
-
CWL
25h 40m
1 stop
Multiple Airlines Logo
11:15 pm - 6:15 pm
CWL
-
ORD
25h 00m
2 stops
$896Multiple Airlines
Tue, Apr 28 - Tue, May 5
KLM Logo
4:20 pm - 4:45 pm
ORD
-
CWL
18h 25m
1 stop
KLM Logo
5:15 pm - 2:15 pm
CWL
-
ORD
27h 00m
1 stop
$920KLM
Tue, Apr 21 - Thu, May 7
KLM Logo
7:16 pm - 4:45 pm
MDW
-
CWL
15h 29m
2 stops
KLM Logo
9:45 am - 6:33 pm
CWL
-
MDW
14h 48m
2 stops
$934KLM
Tue, Apr 21 - Thu, May 7
KLM Logo
1:06 pm - 9:15 am
ORD
-
CWL
14h 09m
2 stops
KLM Logo
9:45 am - 11:59 pm
CWL
-
ORD
20h 14m
2 stops
$934KLM
Tue, Apr 21 - Thu, May 7
KLM Logo
4:20 pm - 4:45 pm
ORD
-
CWL
18h 25m
1 stop
KLM Logo
5:15 pm - 2:15 pm
CWL
-
ORD
27h 00m
1 stop
$967KLM
Sun, Apr 12 - Mon, Apr 27
Delta Logo
4:20 pm - 4:45 pm
ORD
-
CWL
18h 25m
1 stop
Delta Logo
9:45 am - 8:40 pm
CWL
-
ORD
40h 55m
2 stops
$972Delta
Sun, Apr 12 - Mon, Apr 27
Delta Logo
10:41 am - 9:15 am
MDW
-
CWL
16h 34m
2 stops
Delta Logo
9:45 am - 10:28 pm
CWL
-
MDW
18h 43m
2 stops
$990Delta
Tue, Apr 28 - Tue, May 5
Delta Logo
1:10 pm - 4:45 pm
MDW
-
CWL
21h 35m
2 stops
Delta Logo
9:45 am - 4:26 pm
CWL
-
MDW
36h 41m
2 stops
$1,032Delta
Sun, Apr 12 - Mon, Apr 27

KLM flights from Chicago to Cardiff

Our best KLM deals on Chicago to Cardiff flight tickets
KLM
Apr 21
ORD4:20 pmChicago O'Hare Intl
18h 25m
1 stop
CWL4:45 pmCardiff Wales
May 7
CWL5:15 pmCardiff Wales
27h 00m
1 stop
ORD2:15 pmChicago O'Hare Intl
$920
KLM
Apr 21
MDW7:16 pmChicago Midway
15h 29m
2 stops
CWL4:45 pmCardiff Wales
May 7
CWL9:45 amCardiff Wales
14h 48m
2 stops
MDW6:33 pmChicago Midway
$934
KLM
Apr 12
ORD4:20 pmChicago O'Hare Intl
18h 25m
1 stop
CWL4:45 pmCardiff Wales
Apr 27
CWL5:15 pmCardiff Wales
27h 00m
1 stop
ORD2:15 pmChicago O'Hare Intl
$967

WestJet flights from Chicago to Cardiff

Our best WestJet deals on Chicago to Cardiff flight tickets
WestJet
Jun 6
ORD5:30 pmChicago O'Hare Intl
34h 45m
2 stops
CWL10:15 amCardiff Wales
Jun 13
CWL11:35 amCardiff Wales
35h 05m
2 stops
ORD4:40 pmChicago O'Hare Intl
$1,148
WestJet
Jun 6
ORD5:30 pmChicago O'Hare Intl
34h 45m
2 stops
CWL10:15 amCardiff Wales
Jun 13
CWL11:35 amCardiff Wales
35h 05m
2 stops
ORD4:40 pmChicago O'Hare Intl
$1,296
WestJet
Jul 25
ORD5:30 pmChicago O'Hare Intl
34h 45m
2 stops
CWL10:15 amCardiff Wales
Aug 1
CWL11:35 amCardiff Wales
59h 05m
2 stops
ORD4:40 pmChicago O'Hare Intl
$1,712

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 March 17, 2026.
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

Cheapest round-trip

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 4/29

3:45 pm-10:25 pm

1 stop24h 40m

Cardiff Wales

Wed 5/6

11:30 pm-6:15 pm

2 stops24h 45m

$892

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 4/21

9:00 pm-11:25 pm

1 stop20h 25m

Cardiff Wales

Thu 5/7

10:50 pm-6:15 pm

2 stops25h 25m

$894

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 4/28

3:45 pm-11:25 pm

1 stop25h 40m

Cardiff Wales

Tue 5/5

11:15 pm-6:15 pm

2 stops25h 00m

$896

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 4/21

4:20 pm-4:45 pm

1 stop18h 25m

Cardiff Wales

Thu 5/7

5:15 pm-2:15 pm

1 stop27h 00m

$920
Quickest round-trip

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Tue 4/21

7:16 pm-4:45 pm

2 stops15h 29m

Cardiff Wales

Thu 5/7

9:45 am-6:33 pm

2 stops14h 48m

$934

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 4/21

1:06 pm-9:15 am

2 stops14h 09m

Cardiff Wales

Thu 5/7

9:45 am-11:59 pm

2 stops20h 14m

$934

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sun 4/12

4:20 pm-4:45 pm

1 stop18h 25m

Cardiff Wales

Mon 4/27

5:15 pm-2:15 pm

1 stop27h 00m

$967

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sun 4/12

4:20 pm-4:45 pm

1 stop18h 25m

Cardiff Wales

Mon 4/27

9:45 am-8:40 pm

2 stops40h 55m

$972

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Tue 4/28

10:41 am-9:15 am

2 stops16h 34m

Cardiff Wales

Tue 5/5

9:45 am-10:28 pm

2 stops18h 43m

$990

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Sun 4/12

1:10 pm-4:45 pm

2 stops21h 35m

Cardiff Wales

Mon 4/27

9:45 am-4:26 pm

2 stops36h 41m

$1,032

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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

Fastest flight time

10h 25m

Direct flights

None
The fastest flight from Chicago to Cardiff takes 10h 25m
There are no direct flights from Chicago to Cardiff. There are no popular flight routes from Chicago to Cardiff.
Search flight deals

  • How far is Chicago to Cardiff Wales by plane?

    The straight-line distance from Chicago to Cardiff Wales is 3828.5 mi. 10h 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?

  • How do I get Price Alerts for flights from Chicago to Cardiff?

    Confirm your travel details to search for the latest offers for flights from Chicago to Cardiff. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Chicago to Cardiff with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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.

An easier way to manage your Cardiff trip

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Aer Lingus