How long is the flight from Key Largo to Cardiff?

Delta and Virgin Atlantic can get you from Key Largo to Cardiff in just under 12h. Your travel time can differ by up to . Airlines will cover a distance of 4292 mi.

In terms of precipitation, rainfall in Cardiff ranges from 2.0 - 3.5 inches per month. January is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Cardiff when rainfall is around 2.0 in.

If weather is an important factor for your trip to Cardiff, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

What is the cheapest time of day to fly from KE9 to CWL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Key Largo to Cardiff as you normally would.

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.

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.

$902+ Flights from Key Largo to Cardiff

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Cheap flight deals from Key Largo to Cardiff

Most accurate provider	eDreams 3 stars
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Round-trip from	$1,255 (Expedia)

Provider with most accurate pricing for Miami-Cardiff Wales flight deals.

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From Key Largo to Cardiff Wales

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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 October 30, 2025.

Sat 12/135:20 pmMIA - CWL

2 stops35h 30mMultiple Airlines

Sat 12/2010:20 amCWL - MIA

2 stops42h 03mMultiple Airlines

Deal found 10/29

$1,255

Sat 12/135:20 pmMIA - CWL

2 stops35h 30mVirgin Atlantic

Sat 12/205:25 pmCWL - MIA

1 stop26h 25mVirgin Atlantic

Deal found 10/29

$1,770

Best flights from Key Largo to Cardiff
Discover carefully curated flight deals from Key Largo to Cardiff that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2025.

Thu 3/54:50 pmMIA - CWL

1 stop12h 00mDelta

Mon 3/910:20 amCWL - MIA

1 stop33h 30mDelta

Deal found 10/28

$902

Thu 3/54:50 pmMIA - CWL

1 stop12h 00mVirgin Atlantic

Mon 3/910:20 amCWL - MIA

1 stop33h 30mVirgin Atlantic

Deal found 10/29

$902

Sat 12/135:20 pmMIA - CWL

2 stops35h 30mMultiple Airlines

Sat 12/2010:20 amCWL - MIA

2 stops42h 03mMultiple Airlines

Deal found 10/29

$1,255

Sat 12/135:20 pmMIA - CWL

2 stops35h 30mVirgin Atlantic

Sat 12/205:25 pmCWL - MIA

1 stop26h 25mVirgin Atlantic

Deal found 10/29

$1,770

Fly from

Fly to

Route

Depart

Return

Price

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

$902

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

$902

MiamiCardiff

MIA - CWL

MIACWL

Miami

Sat 12/13

5:20 pm-9:50 am

2 stops35h 30m

Cardiff Wales

Sat 12/20

10:20 am-11:23 pm

2 stops42h 03m

$1,255

MiamiCardiff

MIA - CWL

MIACWL

Miami

Sat 12/13

5:20 pm-9:50 am

2 stops35h 30m

Cardiff Wales

Sat 12/20

5:25 pm-2:50 pm

1 stop26h 25m

$1,770

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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

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Everything you need to know about your flight from Key Largo to Cardiff

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Related info for your journey

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 Virgin Atlantic can get you from Key Largo to Cardiff in just under 12h. Your travel time can differ by up to . Airlines will cover a distance of 4292 mi.
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.

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$902+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Key Largo to Cardiff with Cheapflights

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3. Compare prices and book

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 October 30, 2025.

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Round-trip from

Find flight deals from Key Largo to Cardiff

Cheapest flights from Key Largo to CardiffExplore 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 October 30, 2025.

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 October 30, 2025.

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Use the filters below to find and compare flights from Key Largo to Cardiff that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Key Largo to Cardiff

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?

How long is the flight from Key Largo to Cardiff?

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

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

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

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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 October 30, 2025.