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$780+ Cheap flights from Key Largo, FL to Belfast

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — BHD
may. 10 — may. 171
sáb. 5/10
sáb. 5/17
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 mayo 5, 2025.

Round-trip from

$780
(KAYAK)
From Key Largo to Belfast
Search Deals

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 mayo 5, 2025.

This KAYAK deal was found by Cheapflights users on 5/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/175:00 pmMIA - BHD
1 stop13h 55mBritish Airways
mar. 10/216:35 amBHD - MIA
1 stop12h 55mBritish Airways
Deal found 5/4$780
This American Airlines deal was found by Cheapflights users on 5/4. 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.
mar. 6/37:35 pmMIA - BHD
1 stop12h 25mAmerican Airlines
mar. 6/106:35 amBHD - MIA
1 stop12h 55mAmerican Airlines
Deal found 5/4$925
This KAYAK deal was found by Cheapflights users on 5/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/173:21 pmMIA - BHD
2 stops15h 34mMultiple Airlines
mar. 10/219:35 amBHD - MIA
1 stop13h 50mMultiple Airlines
Deal found 5/4$984
This AranGrant deal was found by Cheapflights users on 5/4. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/235:00 pmMIA - BHD
1 stop20h 15mIberia
mié. 5/286:50 amBHD - MIA
1 stop12h 40mIberia
Deal found 5/4$3,123

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 mayo 5, 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 - BHD

MIABHD

Miami

mié. 9/17

5:00 pm-11:55 am

1 stop13h 55m

Belfast City

mar. 10/21

6:35 am-2:30 pm

1 stop12h 55m

$780

MiamiBelfast

MIA - BHD

MIABHD

Miami

mar. 6/3

7:35 pm-1:00 pm

1 stop12h 25m

Belfast City

mar. 6/10

6:35 am-2:30 pm

1 stop12h 55m

$925

MiamiBelfast

MIA - BHD

MIABHD

Miami

mié. 9/17

3:21 pm-11:55 am

2 stops15h 34m

Belfast City

mar. 10/21

9:35 am-6:25 pm

1 stop13h 50m

$984

MiamiBelfast

MIA - BHD

MIABHD

Miami

vie. 5/23

5:00 pm-6:15 pm

1 stop20h 15m

Belfast City

mié. 5/28

6:50 am-2:30 pm

1 stop12h 40m

$3,123

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/4

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 mayo 5, 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 mayo 5, 2025.
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.5

Crew

8.0

Entertainment

6.9

Boarding

7.5

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Bama,Oct 2024

MIA - PNS

I paid for first class and it was nothing more than a 36" long curtain between first and business class, nothing extra, nothing fancy and a waste of money. Would have been better off just getting a regular seat and saving the money. Also had one of my eardrums rupture because of the take off and had to sit in uncomfortable pain with a bleeding ear the entire flight. Had to go to the doctor and it's been 5 days and still having difficulty hearing like it just happened.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.5

Crew

8.0

Entertainment

6.9

Boarding

7.5

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Bama,Oct 2024

MIA - PNS

I paid for first class and it was nothing more than a 36" long curtain between first and business class, nothing extra, nothing fancy and a waste of money. Would have been better off just getting a regular seat and saving the money. Also had one of my eardrums rupture because of the take off and had to sit in uncomfortable pain with a bleeding ear the entire flight. Had to go to the doctor and it's been 5 days and still having difficulty hearing like it just happened.
Iberia
7.0
Good
2,706 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.5

Crew

8.0

Entertainment

6.9

Boarding

7.5

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Bama,Oct 2024

MIA - PNS

I paid for first class and it was nothing more than a 36" long curtain between first and business class, nothing extra, nothing fancy and a waste of money. Would have been better off just getting a regular seat and saving the money. Also had one of my eardrums rupture because of the take off and had to sit in uncomfortable pain with a bleeding ear the entire flight. Had to go to the doctor and it's been 5 days and still having difficulty hearing like it just happened.
British Airways
6.6
Okay
6,863 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.5

Crew

8.0

Entertainment

6.9

Boarding

7.5

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Bama,Oct 2024

MIA - PNS

I paid for first class and it was nothing more than a 36" long curtain between first and business class, nothing extra, nothing fancy and a waste of money. Would have been better off just getting a regular seat and saving the money. Also had one of my eardrums rupture because of the take off and had to sit in uncomfortable pain with a bleeding ear the entire flight. Had to go to the doctor and it's been 5 days and still having difficulty hearing like it just happened.

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 airline flying from Key Largo to Belfast

Discover the top airline 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 mayo 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$599Average$798FlexibilityNo cancel feeOn-time70%

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