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Belfast Intl

$344+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — BFS
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$623
(Mytrip)

One-way from

$344
(Connections by easyJet)
From Key Largo to Belfast Intl
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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 July 31, 2025.

This Mytrip deal was found by Cheapflights users on 7/29. 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.
Sun 9/79:54 amMIA - BFS
3 stops31h 26mMultiple Airlines
Mon 9/156:10 amBFS - MIA
1 stop13h 10mMultiple Airlines
Deal found 7/29$623

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 July 31, 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

Sun 9/7

9:54 am-10:20 pm

3 stops31h 26m

Belfast Intl

Mon 9/15

6:10 am-2:20 pm

1 stop13h 10m

$623

MiamiBelfast

MIA - BFS

MIABFS

Miami

Fri 8/15

5:15 pm-8:05 pm

1 stop21h 50m

$344

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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 July 31, 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.

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

Browse thousands of different options on Cheapflights for your next trip

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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$666Average$800FlexibilityNo cancel feeOn-time70%

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