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$375+ Cheap flights from Key Largo, FL to Belfast

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — BHD
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Cheap flight deals from Key Largo to Belfast

Keep the following information in mind while searching for Key Largo to Belfast flight deals. Data was last updated April 2, 2025.

Round-trip from

$546
(Kiwi.com)

One-way from

$375
(Kiwi.com)
From Key Largo to Belfast
Search Deals
One-way flight from Key Largo to Belfast
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Find flight deals from Key Largo to Belfast

Cheapest flights from Key Largo to Belfast
Explore the most affordable flight options available from Key Largo to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Mon 5/125:15 pmMIA - BFS
1 stop11h 40mMultiple Airlines
Thu 5/296:10 amBFS - MIA
1 stop13h 10mMultiple Airlines
Deal found 3/31$546
This Finnair deal was found by Cheapflights users on 4/1. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/95:00 pmMIA - BHD
1 stop12h 35mFinnair
Tue 9/168:20 pmBHD - MIA
1 stop23h 05mFinnair
Deal found 4/1$670
This British Airways deal was found by Cheapflights users on 4/2. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/125:00 pmMIA - BHD
1 stop14h 55mBritish Airways
Thu 5/296:35 amBHD - MIA
1 stop12h 55mBritish Airways
Deal found 4/2$682
This Finnair deal was found by Cheapflights users on 4/1. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:30 pmMIA - BHD
1 stop14h 30mMultiple Airlines
Tue 12/97:25 pmBHD - MIA
1 stop24h 20mMultiple Airlines
Deal found 4/1$702
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/272:27 pmMIA - BHD
2 stops14h 53mAmerican Airlines
Tue 12/96:35 amBHD - MIA
1 stop13h 10mAmerican Airlines
Deal found 4/1$715
This KLM deal was found by Cheapflights users on 4/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/127:40 pmMIA - BHD
2 stops16h 15mKLM
Thu 5/296:30 amBHD - MIA
2 stops17h 19mKLM
Deal found 4/2$728
This Travelocity deal was found by Cheapflights users on 4/1. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/267:50 pmMIA - BHD
2 stops16h 35mAer Lingus
Fri 10/316:00 pmBHD - MIA
2 stops51h 55mAer Lingus
Deal found 4/1$1,008

Cheapflights Fare Finder

Customize your flight search to find flights from Key Largo to Belfast 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 April 2, 2025.
Use the filters below to find and compare flights from Key Largo to Belfast that are best for you.

Fly from

Key Largo

Fly to

Belfast

Route

Depart

Return

Price

MiamiBelfast

MIA - BFS

MIABFS

Miami

Mon 5/12

5:15 pm-9:55 am

1 stop11h 40m

Belfast Intl

Thu 5/29

6:10 am-2:20 pm

1 stop13h 10m

$546

MiamiBelfast

MIA - BHD

MIABHD

Miami

Tue 9/9

5:00 pm-10:35 am

1 stop12h 35m

Belfast City

Tue 9/16

8:20 pm-2:25 pm

1 stop23h 05m

$670

MiamiBelfast

MIA - BHD

MIABHD

Miami

Mon 5/12

5:00 pm-12:55 pm

1 stop14h 55m

Belfast City

Thu 5/29

6:35 am-2:30 pm

1 stop12h 55m

$682

MiamiBelfast

MIA - BHD

MIABHD

Miami

Mon 5/12

7:40 pm-4:55 pm

2 stops16h 15m

Belfast City

Thu 5/29

6:30 am-6:49 pm

2 stops17h 19m

$728

MiamiBelfast

MIA - BHD

MIABHD

Miami

Sun 9/7

9:45 pm-8:50 am

2 stops30h 05m

Belfast City

Sun 9/14

8:05 pm-3:05 pm

2 stops48h 00m

$731

MiamiBelfast

MIA - BHD

MIABHD

Miami

Wed 7/9

7:30 pm-3:35 pm

1 stop15h 05m

Belfast City

Wed 7/16

6:50 am-7:12 pm

2 stops17h 22m

$796

MiamiBelfast

MIA - BHD

MIABHD

Miami

Tue 9/9

11:05 pm-9:00 am

2 stops28h 55m

$375

MiamiBelfast

MIA - BFS

MIABFS

Miami

Fri 6/13

10:59 pm-3:55 pm

3 stops59h 56m

$411

MiamiBelfast

MIA - BHD

MIABHD

Miami

Tue 9/9

5:00 pm-10:35 am

1 stop12h 35m

$465

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Best time to book a flight from Key Largo to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast 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

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

Find hourly flight availability from Key Largo to Belfast. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 2, 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 as you normally would.

Rainfall in Belfast by month

Plan your trip to Belfast by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Belfast ranges from 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Belfast when rainfall is around 2.0 in.

Temperature in Belfast by month

Plan your trip to Belfast by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Belfast, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. 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. Reviews last updated April 2, 2025.
KLM
7.8
Good
1,323 reviews

Boarding

7.8

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,323 reviews
KLM
7.8
Good
1,323 reviews

Boarding

7.8

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Finnair
7.6
Good
1,267 reviews
KLM
7.8
Good
1,323 reviews

Boarding

7.8

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,323 reviews

Boarding

7.8

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
British Airways
6.6
Okay
6,715 reviews
KLM
7.8
Good
1,323 reviews

Boarding

7.8

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Related info for your journey

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

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

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

    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.

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

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

    Currently, February is the cheapest month in which you can book a flight from Key Largo to Belfast (average of $657). Flying from Key Largo to Belfast 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 2 airlines flying from Key Largo to Belfast

Discover the top 2 airlines that operate flights from Key Largo to Belfast. 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$548Average$798FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$597Average$718FlexibilityNo cancel feeOn-time71%

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