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$797+ Cheap flights from Key Largo, FL to Cardiff (CWL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — CWL
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Key Largo to Cardiff

Keep the following information in mind while searching for Key Largo to Cardiff flight deals. Data was last updated September 15, 2025.

Round-trip from

$797
(Kiwi.com)
From Key Largo to Cardiff Wales
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Find flight deals from Key Largo to Cardiff

Cheapest flights from Key Largo to Cardiff
Explore the most affordable flight options available from Key Largo to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:05 pmMIA - CWL
1 stop14h 00mMultiple Airlines
Wed 11/53:55 pmCWL - MIA
2 stops32h 00mMultiple Airlines
Deal found 9/13$797
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2811:16 amMIA - CWL
2 stops18h 34mDelta
Tue 11/410:20 amCWL - MIA
2 stops17h 59mDelta
Deal found 9/13$869
This KLM deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/302:45 pmMIA - CWL
2 stops13h 30mKLM
Tue 10/79:50 amCWL - MIA
2 stops19h 39mKLM
Deal found 9/15$904
This Mytrip deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/289:49 amMIA - CWL
3 stops25h 41mMultiple Airlines
Tue 11/45:25 pmCWL - MIA
2 stops33h 25mMultiple Airlines
Deal found 9/13$987
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/207:10 amMIA - CWL
2 stops21h 05mDelta
Sat 9/279:45 amCWL - MIA
2 stops16h 29mDelta
Deal found 9/14$1,049
This Netflights deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/285:50 pmMIA - CWL
1 stop12h 00mVirgin Atlantic
Tue 11/410:20 amCWL - MIA
2 stops17h 59mVirgin Atlantic
Deal found 9/13$1,115
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/307:40 pmMIA - CWL
3 stops34h 50mMultiple Airlines
Tue 10/74:20 pmCWL - MIA
2 stops34h 30mMultiple Airlines
Deal found 9/15$1,176

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo 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, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Key Largo to Cardiff that are best for you.

Fly from

Key Largo

Fly to

Cardiff

Route

Depart

Return

Price

MiamiCardiff

MIA - CWL

MIACWL

Miami

Wed 10/29

8:05 pm-2:05 pm

1 stop14h 00m

Cardiff Wales

Wed 11/5

3:55 pm-6:55 pm

2 stops32h 00m

$797

MiamiCardiff

MIA - CWL

MIACWL

Miami

Wed 10/29

6:15 pm-4:55 pm

2 stops18h 40m

Cardiff Wales

Wed 11/5

10:20 am-12:29 am

2 stops19h 09m

$869

MiamiCardiff

MIA - CWL

MIACWL

Miami

Tue 10/28

11:16 am-9:50 am

2 stops18h 34m

Cardiff Wales

Tue 11/4

10:20 am-11:19 pm

2 stops17h 59m

$869

MiamiCardiff

MIA - CWL

MIACWL

Miami

Tue 9/30

2:45 pm-9:15 am

2 stops13h 30m

Cardiff Wales

Tue 10/7

9:50 am-12:29 am

2 stops19h 39m

$904

MiamiCardiff

MIA - CWL

MIACWL

Miami

Thu 3/5

4:50 pm-9:50 am

1 stop12h 00m

Cardiff Wales

Mon 3/9

5:15 pm-3:50 pm

1 stop26h 35m

$952

MiamiCardiff

MIA - CWL

MIACWL

Miami

Thu 3/5

4:50 pm-9:50 am

1 stop12h 00m

Cardiff Wales

Mon 3/9

10:20 am-3:50 pm

1 stop33h 30m

$952

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Best time to book a flight from Key Largo to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from Key Largo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Key Largo to Cardiff
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Cardiff. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Cardiff from Key Largo?

    For a flight from Key Largo to Cardiff, you will be flying into Cardiff Wales. Cardiff Wales (CWL) is just 9.1 mi from the center of the city. Cardiff Wales is the only Cardiff airport and it handles 0 inbound flights from Key Largo per day. 0 airlines have flights to Cardiff Wales from Key Largo on a regular basis.

  • How long is the flight from Key Largo to Cardiff?

    Delta and KLM can get you from Key Largo to Cardiff in just under 13h 30m. Your travel time can differ by up to 5h 10m. Airlines will cover a distance of 4292 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Key Largo to Cardiff that include hotel bookings?

    Yes. In addition to deals on Key Largo to Cardiff flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Key Largo to Cardiff?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key Largo to Cardiff.

  • Can I find deals for business class flights from Key Largo to Cardiff?

    Yes. Cheapflights offers flight deals from Key Largo to Cardiff by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Key Largo to Cardiff?

    Currently, February is the cheapest month in which you can book a flight from Key Largo to Cardiff (average of $773). Flying from Key Largo to Cardiff in June is currently the most expensive (average of $1,622). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Barry

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