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Cheap flights from Belfast City Airport to Key Largo from £556

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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — MIA
18 May — 25 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast City to Key Largo

Enter your travel dates to find the best prices.

Cheapest flights from Belfast City to Key Largo
Explore the most affordable flight options available from Belfast City to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 April 2026.

Mon 17/809:40
BHD
-
MIA
1 stop15h 35m
British Airways
Mon 24/822:40
MIA
-
BHD
1 stop15h 45m
British Airways
Deal found 15/4£657
Thu 12/1120:00
BHD
-
MIA
1 stop25h 15m
British Airways
Mon 16/1115:19
MIA
-
BHD
2 stops17h 56m
British Airways
Deal found 12/4£680
Tue 23/609:40
BHD
-
MIA
1 stop33h 50m
Finnair
Sun 5/719:35
MIA
-
BHD
1 stop14h 00m
Finnair
Deal found 16/4£701
Tue 28/706:30
BHD
-
MIA
1 stop15h 15m
British Airways
Sat 8/822:40
MIA
-
BHD
1 stop14h 35m
British Airways
Deal found 14/4£713

Find flight deals from Belfast City to Key Largo

Keep the following information in mind while searching for Belfast City to Key Largo flight deals. Data was last updated 18 April 2026.

Round-trip from

£657

One-way from

£556

Popular in

December

Cheapest in

January

Average price

£644
British Airways
  • British Airways
  • 17/8-24/8
  • 2 total stops
  • 31h 20m total
  • Belfast to Key Largo
Search Deals
3/8
  • 3/8
  • 3 total stops
  • 50h 40m total
  • Belfast to Key Largo
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£57 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£31 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast City to Key Largo 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 858,174 searches. Data last updated 18 April 2026.
Use the filters below to find and compare flights from Belfast City Airport to Key Largo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastMiami

BHD - MIA

BHDMIA

Belfast City

Mon 17/8

09:40-20:15

1 stop15h 35m

Miami

Mon 24/8

22:40-19:25

1 stop15h 45m

£657
Fastest return journey

BelfastMiami

BHD - MIA

BHDMIA

Belfast City

Tue 28/7

06:30-16:45

1 stop15h 15m

Miami

Sat 8/8

22:40-18:15

1 stop14h 35m

£713

BelfastMiami

BHD - MIA

BHDMIA

Belfast City

Tue 23/6

20:25-14:30

1 stop23h 05m

Miami

Sun 5/7

21:50-08:50

2 stops30h 00m

£747
Cheapest one-way

BelfastMiami

BHD - MIA

BHDMIA

Belfast City

Mon 3/8

09:30-07:10

3 stops50h 40m

£556

BelfastMiami

BHD - MIA

BHDMIA

Belfast City

Mon 3/8

19:35-18:18

2 stops27h 43m

£773
Fastest single journey

BelfastMiami

BHD - MIA

BHDMIA

Belfast City

Thu 13/8

09:50-20:10

2 stops15h 20m

£1,690

BelfastMiami

BHD - MIA

BHDMIA

Belfast City

Thu 13/8

06:30-20:10

1 stop18h 40m

£2,197

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Sorted by cheapest first

Best time to book a flight from Belfast City to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Belfast City with our price prediction graph.
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 City Airport to Key Largo
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key Largo. Reviews last updated 18 April 2026.
Read reviews from past customers who have flown with British Airways from Belfast City Airport to Key Largo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,892 reviews
Check prices

Boarding

6.9

Crew

7.7

Entertainment

6.4

Overall

6.7

Comfort

6.8

Food

6.4

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
7,892 reviews
British Airways
6.7
Okay
7,892 reviews
Check prices

Boarding

6.9

Crew

7.7

Entertainment

6.4

Overall

6.7

Comfort

6.8

Food

6.4

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

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

  • How long is the flight from Belfast City Airport to Key Largo?

    British Airways can get you from Belfast City Airport to Key Largo in just under 15h 35m. Your travel time can differ by up to . The distance from Belfast City Airport to Key Largo is about 4166 mi.

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

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

  • How can I find direct flights from Belfast City 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 City to Key Largo.

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

    Yes. Cheapflights offers flight deals from Belfast City 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Belfast City to Key Largo

Discover the top airline that operate flights from Belfast City to Key Largo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 April 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£390Average£595FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Belfast City to Key Largo via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Key Largo from Belfast City.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Belfast City to Key Largo, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Belfast City to Key Largo flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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