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Cheap flights from Belfast Intl Airport to Florida Keys from £271

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — EYW
4 Sep — 11 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to Florida Keys

Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to Florida Keys
Explore the most affordable flight options available from Belfast Intl to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 August 2026.

Mon 7/921:05 -
3 stops46h 30m
Tue 15/921:35 -
2 stops21h 15m
Deal found 1/8£630
Tue 1/920:55 -
2 stops26h 50m
Tue 8/921:30 -
2 stops18h 35m
Deal found 2/8£668
Mon 17/806:30 -
2 stops19h 18m
Wed 19/803:50 -
2 stops34h 40m
Deal found 3/8£962
Sun 16/806:45 -
3 stops43h 03m
Sat 22/808:15 -
3 stops20h 20m
Deal found 4/8£980

Find flight deals from Belfast Intl to Florida Keys

Keep the following information in mind while searching for Belfast Intl to Florida Keys flight deals. Data was last updated 5 August 2026.

Round-trip from

£630

One-way from

£271

Popular in

December

Cheapest in

January

Average price

£813
7/9-15/9
  • 7/9-15/9
  • 5 total stops
  • 67h 45m total
  • Belfast to Florida Keys
Search Deals
23/9
  • 23/9
  • 3 total stops
  • 32h 55m total
  • Belfast to Florida Keys
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£19 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£35 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl to Florida Keys 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 5 August 2026.
Use the filters below to find and compare flights from Belfast Intl Airport to Florida Keys that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BelfastMiami

BFS Belfast Intl - MIA Miami

BFSMIA

Belfast Intl

Mon 7/9

20:55-18:45

2 stops26h 50m

Miami

Tue 15/9

21:30-21:05

2 stops18h 35m

£646

BelfastMiami

BFS Belfast Intl - MIA Miami

BFSMIA

Belfast Intl

Tue 1/9

20:55-18:45

2 stops26h 50m

Miami

Tue 8/9

21:30-21:05

2 stops18h 35m

£668

BelfastMiami

BFS Belfast Intl - MIA Miami

BFSMIA

Belfast Intl

Mon 17/8

06:30-20:48

2 stops19h 18m

Miami

Wed 19/8

03:50-19:30

2 stops34h 40m

£962

BelfastMiami

BFS Belfast Intl - MIA Miami

BFSMIA

Belfast Intl

Sun 16/8

06:45-20:48

3 stops43h 03m

Miami

Sat 22/8

08:15-09:35

3 stops20h 20m

£980
Cheapest one-way

BelfastMiami

BFS Belfast Intl - MIA Miami

BFSMIA

Belfast Intl

Wed 23/9

16:10-20:05

3 stops32h 55m

£271

BelfastMiami

BFS Belfast Intl - MIA Miami

BFSMIA

Belfast Intl

Tue 8/9

17:10-19:45

2 stops31h 35m

£325

BelfastMiami

BFS Belfast Intl - MIA Miami

BFSMIA

Belfast Intl

Wed 9/9

21:05-20:50

2 stops28h 45m

£373

BelfastMiami

BFS Belfast Intl - MIA Miami

BFSMIA

Belfast Intl

Sun 6/9

15:35-14:35

3 stops28h 00m

£388

BelfastMiami

BFS Belfast Intl - MIA Miami

BFSMIA

Belfast Intl

Thu 10/9

21:40-18:45

2 stops26h 05m

£403
Fastest single journey

BelfastMiami

BFS Belfast Intl - MIA Miami

BFSMIA

Belfast Intl

Mon 7/9

09:10-20:00

1 stop15h 50m

£648

Flights are sorted by cheapest return flights first.

Deals found on 31/7

Sorted by cheapest first

Best time to book a flight from Belfast Intl to Florida Keys

Have a flexible travel schedule? Discover the best time to fly to Florida Keys from Belfast Intl 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 Intl Airport to Florida Keys

What is the cheapest month to book a flight from Belfast Intl Airport to Florida Keys?

Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to Florida Keys (average of £504). Flying from Belfast Intl Airport to Florida Keys in December is currently the most expensive (average of £1,247). 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 Florida Keys

Get insights into the airlines that provide service to Florida Keys. 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 Florida Keys. Reviews last updated 5 August 2026.
Check out reviews from past customers who have flown with British Airways from Belfast Intl Airport to Florida Keys to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
8,148 reviews
Check prices

Comfort

6.8

Boarding

7.0

Overall

6.7

Food

6.4

Crew

7.7

Entertainment

6.5

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
8,148 reviews
British Airways
6.7
Okay
8,148 reviews
Check prices

Comfort

6.8

Boarding

7.0

Overall

6.7

Food

6.4

Crew

7.7

Entertainment

6.5

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 Intl to Florida Keys. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Belfast Intl to Florida Keys that include hotel bookings?

    Yes. In addition to deals on Belfast Intl to Florida Keys flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belfast Intl to Florida Keys?

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

  • Can I find deals for business class flights from Belfast Intl to Florida Keys?

    Yes. Cheapflights offers flight deals from Belfast Intl to Florida Keys 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 Intl Airport to Florida Keys?

    Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to Florida Keys (average of £504). Flying from Belfast Intl Airport to Florida Keys in December is currently the most expensive (average of £1,247). 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.

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Yes! Start tracking prices for Belfast Intl to Florida Keys 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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