How long is the flight from Belfast to Key Largo?

A quick flight from Belfast to Key Largo can take about 13h 25m. British Airways provides one of the quickest options available for as low as £565. There are 4166 mi between Belfast and Key Largo.

In terms of precipitation, rainfall in Key Largo ranges from 41.0 - 252.0 inches per month. September is typically the wettest month, when rainfall can reach 252.0 mm. January is typically the driest time to visit Key Largo when rainfall is around 41.0 mm.

If weather is an important factor for your trip to Key Largo, 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 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 20.0 C).

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

When flying from Belfast to Key Largo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

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

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

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

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

£320+ Cheap Flights from Belfast to Key Largo

Cheap flight deals from Belfast to Key Largo

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Belfast to Key Largo
Explore the most affordable flight options available from Belfast to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Thu 5/1111:05 -

1 stop13h 25m

Thu 12/1114:52 -

2 stops15h 03m

Deal found 30/8£565

Thu 8/1021:10 -

2 stops26h 35m

Sun 18/1021:30 -

2 stops17h 45m

Deal found 31/8£593

Thu 1/1006:30 -

1 stop13h 05m

Mon 5/1014:28 -

2 stops17h 27m

Deal found 30/8£618

Wed 4/1106:35 -

2 stops19h 15m

Sun 8/1122:00 -

1 stop15h 50m

Deal found 30/8£660

Thu 5/1112:30 -

2 stops34h 35m

Thu 12/1119:55 -

2 stops21h 20m

Deal found 30/8£667

Fri 11/921:10 -

2 stops26h 35m

Mon 21/921:30 -

2 stops17h 55m

Deal found 28/8£726

Find flight deals from Belfast to Key Largo

Round-trip from	£565
One-way from	£320
Popular in	October
Cheapest in	January
Average price	£656

British Airways
5/11-12/11
3 total stops
28h 28m total
Belfast to Key Largo

Search Deals

31/10
3 total stops
44h 55m total
Belfast to Key Largo

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (£12 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

BelfastMiami

BHD Belfast City - MIA Miami

BHDMIA

Belfast City

Thu 5/11

11:05-19:30

1 stop13h 25m

Miami

Thu 12/11

14:52-10:55

2 stops15h 03m

£565

BelfastMiami

BFS Belfast Intl - MIA Miami

BFSMIA

Belfast Intl

Thu 8/10

21:10-18:45

2 stops26h 35m

Miami

Sun 18/10

21:30-20:15

2 stops17h 45m

£593

BelfastMiami

BHD Belfast City - MIA Miami

BHDMIA

Belfast City

Thu 1/10

06:30-20:15

1 stop18h 45m

Miami

Mon 5/10

22:45-19:25

1 stop15h 40m

£618

BelfastMiami

BHD Belfast City - MIA Miami

BHDMIA

Belfast City

Wed 4/11

06:35-20:50

2 stops19h 15m

Miami

Sun 8/11

22:00-18:50

1 stop15h 50m

£660

BelfastMiami

BFS Belfast Intl - MIA Miami

BFSMIA

Belfast Intl

Thu 5/11

12:30-18:05

2 stops34h 35m

Miami

Thu 12/11

19:55-22:15

2 stops21h 20m

£667

BelfastMiami

BFS Belfast Intl - MIA Miami

BFSMIA

Belfast Intl

Fri 11/9

21:10-18:45

2 stops26h 35m

Miami

Mon 21/9

21:30-20:25

2 stops17h 55m

£726

Cheapest one-way

BelfastMiami

BFS Belfast Intl - MIA Miami

BFSMIA

Belfast Intl

Sat 31/10

06:05-21:50

2 stops19h 45m

£344

BelfastMiami

BHD Belfast City - MIA Miami

BHDMIA

Belfast City

Sat 24/10

19:05-17:55

1 stop27h 50m

£465

Fastest single journey

BelfastMiami

BHD Belfast City - MIA Miami

BHDMIA

Belfast City

Sat 24/10

07:00-19:18

2 stops17h 18m

£563

Flights are sorted by cheapest return flights first.

Deals found on 1/9

Sorted by cheapest first

Best time to book a flight from Belfast to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Belfast with our price prediction graph.

BFS-MIA

BHD-MIA

Estimated return 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 Belfast to Key Largo

BF1-KE9

BFS-MIA

BHD-MIA

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Key Largo

Check out reviews from past customers who have flown with British Airways from Belfast to Key Largo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

British Airways

6.7

Okay

8,195 reviews

Check prices

Reviews

1 / 20

6.0

Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

British Airways

6.7

Okay

8,195 reviews

British Airways

6.7

Okay

8,195 reviews

Check prices

Reviews

1 / 20

6.0

Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

Related info for your journey

How long is the flight from Belfast to Key Largo?
A quick flight from Belfast to Key Largo can take about 13h 25m. British Airways provides one of the quickest options available for as low as £565. There are 4166 mi between Belfast and Key Largo.
Can I find deals for flights from Belfast to Key Largo that include hotel bookings?
Yes. In addition to deals on Belfast to Key Largo flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast to Key Largo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to Key Largo.
Can I find deals for business class flights from Belfast to Key Largo?
Yes. Cheapflights offers flight deals from Belfast to Key Largo 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

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Top airline flying from Belfast to Key Largo

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£499	Average£716	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

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How does Cheapflights help users find flights from Belfast to Key Largo?

Cheapflights makes it easy to find Belfast to Key Largo flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Belfast to Key Largo?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Belfast to Key Largo for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Belfast to Key Largo with no change fees?

Yes, we can. To see specific flights from Belfast to Key Largo with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Belfast to Key Largo become cheaper?

Not ready to book yet? You can track prices for flights from Belfast to Key Largo on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Belfast to Key Largo from £320

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast to Key Largo

Cheapest flights from Belfast to Key LargoExplore the most affordable flight options available from Belfast to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Explore the most affordable flight options available from Belfast to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Best flights from Belfast to Key LargoDiscover carefully curated flight deals from Belfast to Key Largo that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Discover carefully curated flight deals from Belfast to Key Largo that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Last-minute flights from Belfast to Key LargoDiscover last-minute flight deals from Belfast to Key Largo. Data last updated 1 September 2026 and is based on user searches.

Discover last-minute flight deals from Belfast to Key Largo. Data last updated 1 September 2026 and is based on user searches.

One-way flights from Belfast to Key LargoSearch for one-way flight options from Belfast to Key Largo. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.

Search for one-way flight options from Belfast to Key Largo. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.

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Best time to book a flight from Belfast to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Belfast with our price prediction graph.

Cheapflights Insights

Reviews of airlines servicing Key Largo

Check out reviews from past customers who have flown with British Airways from Belfast to Key Largo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Belfast to Key Largo?

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Belfast to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Key Largo by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Florida

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Search flights from Belfast to Key Largo by cabin class

Find flights from Belfast to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Belfast and Key Largo flights

Browse other Belfast and Key Largo flight options. Last updated on 1 September 2026.

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Belfast to Key Largo flights

Consider these flights travelling from Belfast to Key Largo.

Top airline flying from Belfast to Key Largo

Fly with Cheapflights

How does Cheapflights help users find flights from Belfast to Key Largo?

Why should you use Cheapflights to find cheap flight tickets from Belfast to Key Largo?

Can Cheapflights find flights from Belfast to Key Largo with no change fees?

Can Cheapflights notify me if prices for flights from Belfast to Key Largo become cheaper?

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Travel Smart

Cheapest flights from Belfast to Key Largo
Explore the most affordable flight options available from Belfast to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Best flights from Belfast to Key Largo
Discover carefully curated flight deals from Belfast to Key Largo that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Last-minute flights from Belfast to Key Largo
Discover last-minute flight deals from Belfast to Key Largo. Data last updated 1 September 2026 and is based on user searches.

One-way flights from Belfast to Key Largo
Search for one-way flight options from Belfast to Key Largo. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.