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Cheap flights from Cardiff to Chicago from $540

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 6/11. 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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0 bags

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Find the cheapest flights from Cardiff to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:35 am - 7:25 pm
CWL
-
ORD
13h 50m
1 stop
Multiple Airlines Logo
8:20 pm - 10:15 am
ORD
-
CWL
31h 55m
1 stop
$786Multiple Airlines
Thu, Jun 4 - Sat, Jun 13
Multiple Airlines Logo
11:35 am - 7:25 pm
CWL
-
ORD
13h 50m
1 stop
Multiple Airlines Logo
9:55 am - 10:15 am
ORD
-
CWL
18h 20m
1 stop
$890Multiple Airlines
Mon, Jun 8 - Sun, Jun 14
Multiple Airlines Logo
10:10 pm - 4:59 pm
CWL
-
ORD
24h 49m
2 stops
Multiple Airlines Logo
8:45 am - 10:15 am
ORD
-
CWL
19h 30m
2 stops
$964Multiple Airlines
Mon, Jun 8 - Mon, Jun 15
Multiple Airlines Logo
10:10 pm - 4:59 pm
CWL
-
ORD
24h 49m
2 stops
Multiple Airlines Logo
9:45 am - 10:15 am
ORD
-
CWL
18h 30m
1 stop
$974Multiple Airlines
Mon, Jun 8 - Mon, Jun 15
Multiple Airlines Logo
11:35 am - 10:05 pm
CWL
-
ORD
16h 30m
1 stop
Multiple Airlines Logo
9:55 am - 9:45 pm
ORD
-
CWL
29h 50m
2 stops
$1,000Multiple Airlines
Mon, Jun 8 - Sun, Jun 14
Multiple Airlines Logo
10:10 pm - 4:59 pm
CWL
-
ORD
24h 49m
2 stops
Multiple Airlines Logo
3:40 pm - 10:50 pm
ORD
-
CWL
25h 10m
3 stops
$1,006Multiple Airlines
Mon, Jun 8 - Mon, Jun 15
Multiple Airlines Logo
11:35 am - 7:25 pm
CWL
-
ORD
13h 50m
1 stop
Multiple Airlines Logo
8:45 am - 10:15 am
ORD
-
CWL
19h 30m
2 stops
$1,021Multiple Airlines
Tue, Jun 9 - Mon, Jun 15
Multiple Airlines Logo
11:35 am - 7:38 pm
CWL
-
ORD
14h 03m
1 stop
Multiple Airlines Logo
9:45 am - 10:15 am
ORD
-
CWL
18h 30m
1 stop
$1,039Multiple Airlines
Mon, Jun 8 - Mon, Jun 15
Multiple Airlines Logo
11:35 am - 7:38 pm
CWL
-
ORD
14h 03m
1 stop
Multiple Airlines Logo
2:52 pm - 10:15 am
ORD
-
CWL
13h 23m
1 stop
$1,073Multiple Airlines
Tue, Jun 9 - Mon, Jun 15
Multiple Airlines Logo
11:35 am - 10:05 pm
CWL
-
ORD
16h 30m
1 stop
Multiple Airlines Logo
4:50 pm - 9:15 am
ORD
-
CWL
10h 25m
1 stop
$1,093Multiple Airlines
Mon, Aug 17 - Mon, Aug 24

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
Jun 22
CWL9:45 amCardiff Wales
10h 45m
1 stop
ORD2:30 pmChicago O'Hare Intl
Jul 7
ORD4:20 pmChicago O'Hare Intl
18h 25m
1 stop
CWL4:45 pmCardiff Wales
$1,125
Delta
Jun 22
CWL9:45 amCardiff Wales
10h 45m
1 stop
ORD2:30 pmChicago O'Hare Intl
Jul 6
ORD4:50 pmChicago O'Hare Intl
17h 55m
1 stop
CWL4:45 pmCardiff Wales
$1,130
Delta
Jun 22
CWL9:45 amCardiff Wales
10h 45m
1 stop
ORD2:30 pmChicago O'Hare Intl
Jul 6
ORD10:29 amChicago O'Hare Intl
16h 46m
2 stops
CWL9:15 amCardiff Wales
$1,132

WestJet flights from Cardiff to Chicago O'Hare Intl Airport

Our best WestJet deals on Cardiff to Chicago O'Hare Intl Airport flight tickets
WestJet
Jun 4
CWL11:35 amCardiff Wales
35h 05m
3 stops
ORD4:40 pmChicago O'Hare Intl
Jun 13
ORD5:30 pmChicago O'Hare Intl
34h 45m
2 stops
CWL10:15 amCardiff Wales
$1,311
WestJet
Jun 4
CWL11:35 amCardiff Wales
35h 05m
3 stops
ORD4:40 pmChicago O'Hare Intl
Jun 13
ORD5:30 pmChicago O'Hare Intl
34h 45m
3 stops
CWL10:15 amCardiff Wales
$1,392
WestJet
Jun 8
CWL11:35 amCardiff Wales
35h 05m
2 stops
ORD4:40 pmChicago O'Hare Intl
Jun 15
ORD5:30 pmChicago O'Hare Intl
58h 45m
2 stops
CWL10:15 amCardiff Wales
$1,480

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 May 13, 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 round-trip

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Thu 6/4

11:35 am-7:25 pm

1 stop13h 50m

Chicago O'Hare Intl

Sat 6/13

8:20 pm-10:15 am

1 stop31h 55m

$786

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 6/8

11:35 am-7:25 pm

1 stop13h 50m

Chicago O'Hare Intl

Sun 6/14

9:55 am-10:15 am

1 stop18h 20m

$890

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 6/8

10:10 pm-4:59 pm

2 stops24h 49m

Chicago O'Hare Intl

Mon 6/15

8:45 am-10:15 am

2 stops19h 30m

$964

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 6/8

10:10 pm-4:59 pm

2 stops24h 49m

Chicago O'Hare Intl

Mon 6/15

9:45 am-10:15 am

1 stop18h 30m

$974

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 6/8

11:35 am-10:05 pm

1 stop16h 30m

Chicago O'Hare Intl

Sun 6/14

9:55 am-9:45 pm

2 stops29h 50m

$1,000

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 6/8

10:10 pm-4:59 pm

2 stops24h 49m

Chicago O'Hare Intl

Mon 6/15

3:40 pm-10:50 pm

3 stops25h 10m

$1,006

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Tue 6/9

11:35 am-7:25 pm

1 stop13h 50m

Chicago O'Hare Intl

Mon 6/15

8:45 am-10:15 am

2 stops19h 30m

$1,021

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 6/8

11:35 am-7:38 pm

1 stop14h 03m

Chicago O'Hare Intl

Mon 6/15

9:45 am-10:15 am

1 stop18h 30m

$1,039

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Tue 6/9

11:35 am-7:38 pm

1 stop14h 03m

Chicago O'Hare Intl

Mon 6/15

2:52 pm-10:15 am

1 stop13h 23m

$1,073
Quickest round-trip

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 8/17

11:35 am-10:05 pm

1 stop16h 30m

Chicago O'Hare Intl

Mon 8/24

4:50 pm-9:15 am

1 stop10h 25m

$1,093

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
1
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See travel insights to Chicago from

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 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

Fastest flight time

13h 50m

Direct flights

None
The fastest flight from Cardiff to Chicago O'Hare Intl Airport takes 13h 50m
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

Frequently asked questions about flying from Cardiff to Chicago O'Hare Intl Airport

  • 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 13h 50m.

  • 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.

Traveling to a place near Chicago?

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

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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