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Cheap flights from Belfast City Airport to Key Largo from £1,047

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/12. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — MIA
21 Nov — 28 Nov1
1 adult
1 adult, Economy

Cheap 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 22 October 2025.

Round-trip from

£1,047

Popular in

July

Cheapest in

March

Average price

£665
American Airlines
  • American Airlines
  • 18/12-1/1
  • 4 total stops
  • 36h 12m total
  • Belfast to Key Largo
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£184 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£38 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find 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 22 October 2025.

Thu 18/1211:05BHD - MIA
2 stops18h 42mAmerican Airlines
Thu 1/115:30MIA - BHD
2 stops17h 30mAmerican Airlines
Deal found 21/10£1,047
Thu 18/1209:05BHD - MIA
2 stops18h 05mBritish Airways
Thu 1/117:10MIA - BHD
1 stop12h 10mBritish Airways
Deal found 19/10£1,317
Sun 26/1020:25BHD - MIA
2 stops42h 13mBritish Airways
Sat 1/1121:45MIA - BHD
2 stops39h 05mBritish Airways
Deal found 21/10£1,357

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 22 October 2025.
Use the filters below to find and compare flights from Belfast City Airport to Key Largo that are best for you.

Fly from

Belfast City

Fly to

Key Largo

Route

Depart

Return

Price

BelfastMiami

BHD - MIA

BHDMIA

Belfast City

Thu 18/12

11:05-00:47

2 stops18h 42m

Miami

Thu 1/1

15:30-14:00

2 stops17h 30m

£1,047

BelfastMiami

BHD - MIA

BHDMIA

Belfast City

Thu 18/12

09:05-22:10

2 stops18h 05m

Miami

Thu 1/1

17:10-10:20

1 stop12h 10m

£1,317

BelfastMiami

BHD - MIA

BHDMIA

Belfast City

Tue 10/3

06:30-15:50

1 stop13h 20m

Miami

Wed 11/3

17:59-16:50

2 stops18h 51m

£2,126

BelfastMiami

BHD - MIA

BHDMIA

Belfast City

Tue 10/3

06:30-15:50

1 stop13h 20m

Miami

Wed 11/3

17:59-16:50

2 stops18h 51m

£2,134

BelfastMiami

BHD - MIA

BHDMIA

Belfast City

Tue 10/3

10:00-20:30

1 stop14h 30m

Miami

Wed 11/3

23:10-19:10

1 stop16h 00m

£2,713

Flights are sorted by cheapest return flights first.

Deals found on 21/10

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

What is the cheapest month to book a flight from Belfast City Airport to Key Largo?

Currently, March is the cheapest month in which you can book a flight from Belfast City Airport to Key Largo (average of £361). Flying from Belfast City Airport to Key Largo in July is currently the most expensive (average of £1,047). 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.

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 22 October 2025.
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
7,466 reviews
Check prices

Entertainment

6.4

Crew

7.6

Comfort

6.7

Overall

6.7

Food

6.3

Boarding

6.9

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
7,466 reviews
British Airways
6.7
Okay
7,466 reviews
Check prices

Entertainment

6.4

Crew

7.6

Comfort

6.7

Overall

6.7

Food

6.3

Boarding

6.9

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?

    American Airlines and British Airways can get you from Belfast City Airport to Key Largo in just under 18h 05m. Your travel time can differ by up to 37m. The distance from Belfast City Airport to Key Largo is about 4166 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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.

  • What is the cheapest month to book a flight from Belfast City Airport to Key Largo?

    Currently, March is the cheapest month in which you can book a flight from Belfast City Airport to Key Largo (average of £361). Flying from Belfast City Airport to Key Largo in July is currently the most expensive (average of £1,047). 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

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 22 October 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£395Average£527FlexibilityNo 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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