Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Cardiff to Chicago from $836

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to Chicago departing on 9/10. 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

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 - 7:48 pmCWL  Cardiff Wales-ORD Chicago O'Hare Intl
14h 13m1 stop Toronto Pearson Intl
Multiple Airlines Logo
7:25 pm - 10:25 pmORD  Chicago O'Hare Intl-CWL Cardiff Wales
21h 00m2 stops Reykjavik Keflavik Intl Dublin
$836Multiple Airlines
Thu, Sep 10 - Wed, Sep 16
Multiple Airlines Logo
11:35 am - 7:48 pmCWL  Cardiff Wales-ORD Chicago O'Hare Intl
14h 13m1 stop Toronto Pearson Intl
Multiple Airlines Logo
7:25 pm - 10:25 pmORD  Chicago O'Hare Intl-CWL Cardiff Wales
21h 00m2 stops Reykjavik Keflavik Intl Dublin
$838Multiple Airlines
Thu, Sep 10 - Wed, Sep 16
Multiple Airlines Logo
11:35 am - 7:48 pmCWL  Cardiff Wales-ORD Chicago O'Hare Intl
14h 13m1 stop Toronto Pearson Intl
Multiple Airlines Logo
7:25 pm - 10:25 pmORD  Chicago O'Hare Intl-CWL Cardiff Wales
21h 00m2 stops Reykjavik Keflavik Intl Dublin
$839Multiple Airlines
Thu, Sep 10 - Wed, Sep 16
Multiple Airlines Logo
11:35 am - 7:48 pmCWL  Cardiff Wales-ORD Chicago O'Hare Intl
14h 13m1 stop Toronto Pearson Intl
Multiple Airlines Logo
7:25 pm - 10:25 pmORD  Chicago O'Hare Intl-CWL Cardiff Wales
21h 00m2 stops Reykjavik Keflavik Intl Dublin
$844Multiple Airlines
Thu, Sep 10 - Wed, Sep 16
Multiple Airlines Logo
11:35 am - 7:48 pmCWL  Cardiff Wales-ORD Chicago O'Hare Intl
14h 13m1 stop Toronto Pearson Intl
Multiple Airlines Logo
7:25 pm - 10:25 pmORD  Chicago O'Hare Intl-CWL Cardiff Wales
21h 00m3 stops Reykjavik Keflavik Intl Glasgow Intl Dublin
$853Multiple Airlines
Thu, Sep 10 - Wed, Sep 16
Multiple Airlines Logo
11:35 am - 7:48 pmCWL  Cardiff Wales-ORD Chicago O'Hare Intl
14h 13m1 stop Toronto Pearson Intl
Multiple Airlines Logo
7:25 pm - 10:25 pmORD  Chicago O'Hare Intl-CWL Cardiff Wales
21h 00m2 stops Reykjavik Keflavik Intl Dublin
$854Multiple Airlines
Thu, Sep 10 - Wed, Sep 16
Multiple Airlines Logo
11:35 am - 7:48 pmCWL  Cardiff Wales-ORD Chicago O'Hare Intl
14h 13m1 stop Toronto Pearson Intl
Multiple Airlines Logo
10:25 pm - 10:25 pmORD  Chicago O'Hare Intl-CWL Cardiff Wales
18h 00m3 stops Reykjavik Keflavik Intl Glasgow Intl Dublin
$857Multiple Airlines
Thu, Sep 10 - Wed, Sep 16
Multiple Airlines Logo
11:35 am - 7:48 pmCWL  Cardiff Wales-ORD Chicago O'Hare Intl
14h 13m1 stop Toronto Pearson Intl
Multiple Airlines Logo
10:25 pm - 10:25 pmORD  Chicago O'Hare Intl-CWL Cardiff Wales
18h 00m3 stops Reykjavik Keflavik Intl Glasgow Intl Dublin
$863Multiple Airlines
Thu, Sep 10 - Wed, Sep 16
Multiple Airlines Logo
11:35 am - 7:48 pmCWL  Cardiff Wales-ORD Chicago O'Hare Intl
14h 13m1 stop Toronto Pearson Intl
Multiple Airlines Logo
10:25 pm - 10:25 pmORD  Chicago O'Hare Intl-CWL Cardiff Wales
18h 00m3 stops Reykjavik Keflavik Intl Glasgow Intl Dublin
$864Multiple Airlines
Thu, Sep 10 - Wed, Sep 16
Multiple Airlines Logo
11:35 am - 7:48 pmCWL  Cardiff Wales-ORD Chicago O'Hare Intl
14h 13m1 stop Toronto Pearson Intl
Multiple Airlines Logo
10:25 pm - 10:25 pmORD  Chicago O'Hare Intl-CWL Cardiff Wales
18h 00m3 stops Reykjavik Keflavik Intl Glasgow Intl Dublin
$872Multiple Airlines
Thu, Sep 10 - Wed, Sep 16

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

KLM flights from Cardiff to Chicago

Our best KLM deals on Cardiff to Chicago flight tickets
KLM
Sep 10
CWL5:15 pmCardiff Wales
27h 00m
1 stop
ORD2:15 pmChicago O'Hare Intl
Sep 16
ORD4:50 pmChicago O'Hare Intl
10h 25m
1 stop
CWL9:15 amCardiff Wales
$901
KLM
Oct 12
CWL5:15 pmCardiff Wales
29h 17m
2 stops
ORD4:32 pmChicago O'Hare Intl
Oct 18
ORD5:29 pmChicago O'Hare Intl
33h 46m
2 stops
CWL9:15 amCardiff Wales
$937
KLM
Aug 11
CWL5:15 pmCardiff Wales
27h 15m
1 stop
ORD2:30 pmChicago O'Hare Intl
Aug 21
ORD4:20 pmChicago O'Hare Intl
18h 45m
1 stop
CWL5:05 pmCardiff Wales
$2,050

Air France flights from Cardiff to Chicago

Our best Air France deals on Cardiff to Chicago flight tickets
Air France
Sep 10
CWL5:15 pmCardiff Wales
27h 00m
1 stop
ORD2:15 pmChicago O'Hare Intl
Sep 16
ORD4:50 pmChicago O'Hare Intl
17h 55m
1 stop
CWL4:45 pmCardiff Wales
$906
Air France
Oct 12
CWL5:15 pmCardiff Wales
27h 00m
1 stop
ORD2:15 pmChicago O'Hare Intl
Oct 18
ORD4:15 pmChicago O'Hare Intl
18h 30m
1 stop
CWL4:45 pmCardiff Wales
$931
Air France
Aug 15
CWL5:35 pmCardiff Wales
29h 39m
2 stops
ORD5:14 pmChicago O'Hare Intl
Aug 23
ORD4:20 pmChicago O'Hare Intl
18h 25m
1 stop
CWL4:45 pmCardiff Wales
$1,756

momondo Fare Finder

 
Customize your flight search to find flights from Cardiff to Chicago 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 August 10, 2026.
Use the filters below to find and compare flights from Cardiff to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CardiffChicago

CWL Cardiff Wales - ORD Chicago O'Hare Intl

CWLORD

Cardiff Wales

Thu 9/10

11:35 am-7:48 pm

1 stop14h 13m

Chicago O'Hare Intl

Wed 9/16

7:25 pm-10:25 pm

2 stops21h 00m

$836

CardiffChicago

CWL Cardiff Wales - ORD Chicago O'Hare Intl

CWLORD

Cardiff Wales

Thu 9/10

11:35 am-7:48 pm

1 stop14h 13m

Chicago O'Hare Intl

Wed 9/16

7:25 pm-10:25 pm

2 stops21h 00m

$838

CardiffChicago

CWL Cardiff Wales - ORD Chicago O'Hare Intl

CWLORD

Cardiff Wales

Thu 9/10

11:35 am-7:48 pm

1 stop14h 13m

Chicago O'Hare Intl

Wed 9/16

7:25 pm-10:25 pm

2 stops21h 00m

$839

CardiffChicago

CWL Cardiff Wales - ORD Chicago O'Hare Intl

CWLORD

Cardiff Wales

Thu 9/10

11:35 am-7:48 pm

1 stop14h 13m

Chicago O'Hare Intl

Wed 9/16

7:25 pm-10:25 pm

2 stops21h 00m

$844

CardiffChicago

CWL Cardiff Wales - ORD Chicago O'Hare Intl

CWLORD

Cardiff Wales

Thu 9/10

11:35 am-7:48 pm

1 stop14h 13m

Chicago O'Hare Intl

Wed 9/16

7:25 pm-10:25 pm

3 stops21h 00m

$853

CardiffChicago

CWL Cardiff Wales - ORD Chicago O'Hare Intl

CWLORD

Cardiff Wales

Thu 9/10

11:35 am-7:48 pm

1 stop14h 13m

Chicago O'Hare Intl

Wed 9/16

7:25 pm-10:25 pm

2 stops21h 00m

$854
Quickest round-trip

CardiffChicago

CWL Cardiff Wales - ORD Chicago O'Hare Intl

CWLORD

Cardiff Wales

Thu 9/10

11:35 am-7:48 pm

1 stop14h 13m

Chicago O'Hare Intl

Wed 9/16

10:25 pm-10:25 pm

3 stops18h 00m

$857

CardiffChicago

CWL Cardiff Wales - ORD Chicago O'Hare Intl

CWLORD

Cardiff Wales

Thu 9/10

11:35 am-7:48 pm

1 stop14h 13m

Chicago O'Hare Intl

Wed 9/16

10:25 pm-10:25 pm

3 stops18h 00m

$863

CardiffChicago

CWL Cardiff Wales - ORD Chicago O'Hare Intl

CWLORD

Cardiff Wales

Thu 9/10

11:35 am-7:48 pm

1 stop14h 13m

Chicago O'Hare Intl

Wed 9/16

10:25 pm-10:25 pm

3 stops18h 00m

$864

CardiffChicago

CWL Cardiff Wales - ORD Chicago O'Hare Intl

CWLORD

Cardiff Wales

Thu 9/10

11:35 am-7:48 pm

1 stop14h 13m

Chicago O'Hare Intl

Wed 9/16

10:25 pm-10:25 pm

3 stops18h 00m

$872

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Cardiff to Chicago

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

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

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

Fastest flight time

14h 13m

Direct flights

None
The fastest flight from Cardiff to Chicago takes 14h 13m
There are no direct flights from Cardiff to Chicago. There are no popular flight routes from Cardiff to Chicago.
Search flight deals

Frequently asked questions about flying from Cardiff to Chicago

  • How far is Cardiff Wales to Chicago by plane?

    The straight-line distance from Cardiff Wales to Chicago is 3828.5 mi. Typically, this will take 14h 13m by plane in normal conditions.

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

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

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

    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.

  • What documentation or ID do you need to fly to Chicago?

    The travel and health documents you'll need for your trip to Chicago 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Cardiff to Chicago

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

    Confirm your travel details to search for the latest offers for flights from Cardiff to Chicago. 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 Cardiff to Chicago with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • 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.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Portage
Benton Harbor
Lansing
Saint Joseph
Valparaiso
Schererville
Munster
Chesterton
Monticello
Crown Point
Porter
Griffith
Saint John

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from Cardiff.

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?

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 Cardiff to Chicago.

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

Yes. momondo can track prices for Cardiff to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Chicago trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 9/9
Wed 9/16
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport