Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Louisville to Cardiff from $913

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Cardiff departing on 3/4. 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
0 bags

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

Find the cheapest flights from Louisville to Cardiff

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:50 am - 4:55 pmSDF-CWL
28h 05m2 stops
Delta Logo
10:20 am - 10:32 pmCWL-SDF
40h 12m2 stops
$913Delta
Find Deal
Wed, Mar 4 - Sun, Mar 8
Delta Logo
8:55 am - 4:55 pmSDF-CWL
27h 00m2 stops
Delta Logo
10:20 am - 10:55 pmCWL-SDF
40h 35m2 stops
$918Delta
Find Deal
Wed, Mar 4 - Sun, Mar 8
Delta Logo
7:05 am - 9:50 amSDF-CWL
21h 45m2 stops
Delta Logo
10:20 am - 4:52 pmCWL-SDF
58h 32m2 stops
$919Delta
Find Deal
Wed, Mar 4 - Sun, Mar 8

Delta flights from Louisville to Cardiff

Our best Delta deals on Louisville to Cardiff flight tickets
Delta
Mar 4
SDF7:50 amLouisville Intl
28h 05m
2 stops
CWL4:55 pmCardiff Wales
Mar 8
CWL10:20 amCardiff Wales
40h 12m
2 stops
SDF10:32 pmLouisville Intl
$913
Find similar
Delta
Mar 4
SDF8:55 amLouisville Intl
27h 00m
2 stops
CWL4:55 pmCardiff Wales
Mar 8
CWL10:20 amCardiff Wales
40h 35m
2 stops
SDF10:55 pmLouisville Intl
$918
Find similar
Delta
Mar 4
SDF7:05 amLouisville Intl
21h 45m
2 stops
CWL9:50 amCardiff Wales
Mar 8
CWL10:20 amCardiff Wales
58h 32m
2 stops
SDF4:52 pmLouisville Intl
$919
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Louisville 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 5, 2025.
Use the filters below to find and compare flights from Louisville to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleCardiff

SDF - CWL

SDFCWL

Louisville Intl

Wed 3/4

7:50 am-4:55 pm

2 stops28h 05m

Cardiff Wales

Sun 3/8

10:20 am-10:32 pm

2 stops40h 12m

$913

LouisvilleCardiff

SDF - CWL

SDFCWL

Louisville Intl

Wed 3/4

8:55 am-4:55 pm

2 stops27h 00m

Cardiff Wales

Sun 3/8

10:20 am-10:55 pm

2 stops40h 35m

$918

LouisvilleCardiff

SDF - CWL

SDFCWL

Louisville Intl

Wed 3/4

7:05 am-9:50 am

2 stops21h 45m

Cardiff Wales

Sun 3/8

10:20 am-4:52 pm

2 stops58h 32m

$919

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Louisville to Cardiff

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

Cheap Louisville to Cardiff (SDF to CWL) flight deals and tips

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

Direct flights

None
There are no direct flights from Louisville to Cardiff. There are no popular flight routes from Louisville to Cardiff.
Search flight deals

  • How far is Louisville Intl to Cardiff Wales by plane?

    Louisville Intl and Cardiff Wales are 3921.7 mi apart from one another. By plane, this route typically takes 21h 45m.

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

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

  • How old do you have to be to fly from Louisville Intl Airport 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 Louisville Intl Airport 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.

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

    Search flight deals from Louisville to Cardiff. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Louisville to Cardiff 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.

Why use momondo?

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

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

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

All flight searches from Louisville to Cardiff on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Louisville to Cardiff?

Once you have performed a search for Louisville to Cardiff flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Louisville to Cardiff flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Cardiff 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
Fri 12/5
Fri 12/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Fly your favorite airline to Cardiff

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Delta
American Airlines
United Airlines
Turkish Airlines
Lufthansa
Frontier
British Airways
Qatar Airways
Spirit Airlines
Ryanair
Alaska Airlines
Emirates