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$899+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — CWL
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This Delta deal was found by Cheapflights users on 1/27. 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.
Thu 2/2610:33 am
MIA
-
CWL
2 stops18h 17m
Delta
Thu 3/510:20 am
CWL
-
MIA
2 stops18h 00m
Delta
Deal found 1/27$899
This KLM deal was found by Cheapflights users on 1/27. 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.
Thu 2/264:50 pm
MIA
-
CWL
1 stop18h 55m
KLM
Thu 3/55:25 pm
CWL
-
MIA
1 stop26h 25m
KLM
Deal found 1/27$935
This Delta deal was found by Cheapflights users on 1/28. 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.
Wed 4/18:00 am
MIA
-
CWL
2 stops20h 15m
Delta
Sun 4/59:50 am
CWL
-
MIA
2 stops18h 48m
Delta
Deal found 1/28$941
This Air France deal was found by Cheapflights users on 1/28. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/74:55 pm
MIA
-
CWL
1 stop18h 50m
Air France
Thu 4/169:45 am
CWL
-
MIA
2 stops17h 05m
Air France
Deal found 1/28$1,125
This Air France deal was found by Cheapflights users on 1/28. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:23 am
MIA
-
CWL
2 stops16h 52m
Multiple Airlines
Thu 4/169:45 am
CWL
-
MIA
2 stops17h 05m
Multiple Airlines
Deal found 1/28$1,130
This Mytrip deal was found by Cheapflights users on 1/27. 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.
Fri 3/135:40 pm
MIA
-
CWL
3 stops22h 00m
Multiple Airlines
Fri 3/2010:25 pm
CWL
-
MIA
2 stops21h 25m
Multiple Airlines
Deal found 1/27$1,364
This Delta deal was found by Cheapflights users on 1/27. 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.
Fri 3/135:50 pm
MIA
-
CWL
1 stop19h 05m
Delta
Fri 3/2010:20 am
CWL
-
MIA
2 stops17h 04m
Delta
Deal found 1/27$1,704

Find 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$899
(Delta)
Provider with most accurate pricing for Miami-Cardiff Wales flight deals.
Search Deals
Provider most trusted by Cheapflights users for Miami-Cardiff Wales flights.
Search Deals
From Key Largo to Cardiff Wales
Search Deals

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 January 29, 2026.
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

Thu 2/26

10:33 am-9:50 am

2 stops18h 17m

Cardiff Wales

Thu 3/5

10:20 am-11:20 pm

2 stops18h 00m

$899

MiamiCardiff

MIA - CWL

MIACWL

Miami

Thu 2/26

4:50 pm-4:45 pm

1 stop18h 55m

Cardiff Wales

Thu 3/5

5:25 pm-2:50 pm

1 stop26h 25m

$935

MiamiCardiff

MIA - CWL

MIACWL

Miami

Wed 4/1

8:00 am-9:15 am

2 stops20h 15m

Cardiff Wales

Sun 4/5

9:50 am-11:38 pm

2 stops18h 48m

$941

MiamiCardiff

MIA - CWL

MIACWL

Miami

Tue 4/7

4:55 pm-4:45 pm

1 stop18h 50m

Cardiff Wales

Thu 4/16

9:45 am-9:50 pm

2 stops17h 05m

$1,125

MiamiCardiff

MIA - CWL

MIACWL

Miami

Tue 4/7

11:23 am-9:15 am

2 stops16h 52m

Cardiff Wales

Thu 4/16

9:45 am-9:50 pm

2 stops17h 05m

$1,130

MiamiCardiff

MIA - CWL

MIACWL

Miami

Fri 3/13

5:40 pm-7:40 pm

3 stops22h 00m

Cardiff Wales

Fri 3/20

10:25 pm-3:50 pm

2 stops21h 25m

$1,364

MiamiCardiff

MIA - CWL

MIACWL

Miami

Fri 3/13

5:50 pm-4:55 pm

1 stop19h 05m

Cardiff Wales

Fri 3/20

10:20 am-11:24 pm

2 stops17h 04m

$1,704

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

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, KLM, and Air France can get you from Key Largo to Cardiff in just under 18h 17m. Your travel time can differ by up to 38m. 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.

See more FAQs

Traveling to a place near Cardiff?

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Bridgend

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