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Belfast Intl

$267+ Cheap flights from Key Largo, FL to Belfast Intl (BFS)

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — BFS
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheap flight deals from Key Largo to Belfast Intl

Keep the following information in mind while searching for Key Largo to Belfast Intl flight deals. Data was last updated septiembre 15, 2025.

Round-trip from

$666
(Mytrip)

One-way from

$267
(Kiwi.com)
From Key Largo to Belfast Intl
Search Deals
One-way flight from Key Largo to Belfast Intl
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Find flight deals from Key Largo to Belfast Intl

Cheapest flights from Key Largo to Belfast Intl
Explore the most affordable flight options available from Key Largo to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 15, 2025.

This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/2912:35 amMIA - BFS
3 stops43h 10mMultiple Airlines
jue. 11/67:45 pmBFS - MIA
3 stops30h 35mMultiple Airlines
Deal found 9/15$666
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/173:48 pmMIA - BFS
2 stops22h 17mMultiple Airlines
vie. 9/198:35 pmBFS - MIA
1 stop22h 45mMultiple Airlines
Deal found 9/13$837

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to Belfast Intl 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 2,558,603 searches. Data last updated septiembre 15, 2025.
Use the filters below to find and compare flights from Key Largo to Belfast Intl Airport that are best for you.

Fly from

Key Largo

Fly to

Belfast Intl

Route

Depart

Return

Price

MiamiBelfast

MIA - BFS

MIABFS

Miami

mié. 10/29

12:35 am-11:45 pm

3 stops43h 10m

Belfast Intl

jue. 11/6

7:45 pm-9:20 pm

3 stops30h 35m

$666

MiamiBelfast

MIA - BFS

MIABFS

Miami

dom. 10/12

10:46 pm-7:30 am

2 stops51h 44m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from Key Largo with our price prediction graph.
Estimated round-trip 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 Key Largo to Belfast Intl Airport

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

Find hourly flight availability from Key Largo to Belfast Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 15, 2025.

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

Reviews of airlines servicing Belfast Intl

Get insights into the airlines that provide service to Belfast Intl. 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 Belfast Intl. Reviews last updated septiembre 15, 2025.
Get a feel of what it's like to fly with British Airways from Key Largo to Belfast Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,361 reviews

Crew

7.6

Boarding

6.9

Entertainment

6.4

Food

6.3

Comfort

6.7

Overall

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,361 reviews
British Airways
6.7
Okay
7,361 reviews

Crew

7.6

Boarding

6.9

Entertainment

6.4

Food

6.3

Comfort

6.7

Overall

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Belfast Intl. 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 Key Largo to Belfast Intl that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Key Largo to Belfast Intl 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 Key Largo to Belfast Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Key Largo to Belfast Intl Airport (average of $657). Flying from Key Largo to Belfast Intl Airport in June is currently the most expensive (average of $1,189). 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

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Top airline flying from Key Largo to Belfast Intl

Discover the top airline that operate flights from Key Largo to Belfast Intl. 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 2,558,603 searches. Data last updated septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$667Average$803FlexibilityNo cancel feeOn-time70%

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