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$235+ Cheap flights from Key Largo, FL to Brussels

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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — BRU
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to Brussels are usually found in January or October, booked 79 days in advance, depart on a Wednesday or Tuesday and return on a Sunday

Cheap flight deals from Key Largo to Brussels

Keep the following information in mind while searching for Key Largo to Brussels flight deals. Data was last updated September 16, 2025.

Round-trip from

$411
(Cheapflightsfares)

One-way from

$235
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$686
From Key Largo to Brussels
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One-way flight from Key Largo to Brussels
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Highest demand for flights based on searches. 22% potential increase in price ($214 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Key Largo to Brussels

Cheapest flights from Key Largo to Brussels
Explore the most affordable flight options available from Key Largo to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Scandinavian Airlines 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/237:00 amMIA - BRU
2 stops30h 50mScandinavian Airlines
Fri 11/2810:20 amBRU - MIA
1 stop13h 45mScandinavian Airlines
Deal found 9/15$450
This oojo deal was found by Cheapflights users on 9/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/27:55 pmMIA - BRU
1 stop31h 45mScandinavian Airlines
Sun 11/910:20 amBRU - MIA
1 stop13h 45mScandinavian Airlines
Deal found 9/14$457
This Mytrip deal was found by Cheapflights users on 9/14. 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 10/268:55 pmMIA - BRU
1 stop31h 45mScandinavian Airlines
Sun 11/98:30 pmBRU - MIA
1 stop27h 35mScandinavian Airlines
Deal found 9/14$462
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.
Wed 11/57:55 pmMIA - BRU
1 stop17h 55mScandinavian Airlines
Mon 11/1010:20 amBRU - MIA
1 stop13h 45mScandinavian Airlines
Deal found 9/15$470
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Wed 10/298:05 pmMIA - BRU
1 stop15h 55mMultiple Airlines
Wed 11/59:10 amBRU - MIA
1 stop14h 00mMultiple Airlines
Deal found 9/14$479
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/59:45 pmMIA - CRL
1 stop31h 55mMultiple Airlines
Wed 10/155:15 pmCRL - MIA
2 stops57h 17mMultiple Airlines
Deal found 9/15$540
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/69:45 pmMIA - CRL
1 stop32h 10mMultiple Airlines
Sat 12/131:15 pmCRL - MIA
2 stops32h 37mMultiple Airlines
Deal found 9/15$593
This Mytrip deal was found by Cheapflights users on 9/14. 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 11/27:55 pmMIA - CRL
2 stops15h 40mMultiple Airlines
Sun 11/97:15 amCRL - MIA
2 stops20h 50mMultiple Airlines
Deal found 9/14$602
This Mytrip deal was found by Cheapflights users on 9/14. 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 10/268:55 pmMIA - CRL
2 stops15h 40mMultiple Airlines
Sun 11/97:15 amCRL - MIA
2 stops20h 50mMultiple Airlines
Deal found 9/14$607
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.
Sun 10/2612:50 amMIA - CRL
2 stops28h 20mMultiple Airlines
Tue 11/45:05 pmCRL - MIA
2 stops27h 45mMultiple Airlines
Deal found 9/15$645
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.
Thu 10/239:49 amMIA - CRL
3 stops31h 06mMultiple Airlines
Mon 10/275:15 pmCRL - MIA
2 stops27h 35mMultiple Airlines
Deal found 9/15$667

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to Brussels 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 September 16, 2025.
Use the filters below to find and compare flights from Key Largo to Brussels that are best for you.

Fly from

Key Largo

Fly to

Brussels

Route

Depart

Return

Price

MiamiBrussels

MIA - BRU

MIABRU

Miami

Sun 10/26

8:55 pm-6:40 pm

2 stops40h 45m

Brussels Bruxelles-National

Sun 11/9

10:20 am-6:05 pm

1 stop13h 45m

$466

MiamiBrussels

MIA - BRU

MIABRU

Miami

Wed 10/29

8:05 pm-5:00 pm

1 stop15h 55m

Brussels Bruxelles-National

Wed 11/5

9:10 am-5:10 pm

1 stop14h 00m

$479

MiamiBrussels

MIA - BRU

MIABRU

Miami

Tue 1/13

7:00 am-9:40 am

2 stops20h 40m

Brussels Bruxelles-National

Tue 1/20

8:30 pm-9:20 pm

2 stops30h 50m

$498

MiamiBrussels

MIA - BRU

MIABRU

Miami

Sat 11/22

7:55 pm-7:50 pm

1 stop17h 55m

Brussels Bruxelles-National

Sun 11/30

8:30 pm-6:05 pm

1 stop27h 35m

$499

MiamiBrussels

MIA - BRU

MIABRU

Miami

Sun 11/23

7:55 pm-7:50 pm

1 stop17h 55m

Brussels Bruxelles-National

Fri 11/28

10:20 am-6:05 pm

1 stop13h 45m

$500

MiamiBrussels

MIA - BRU

MIABRU

Miami

Mon 10/27

12:45 pm-1:15 pm

2 stops19h 30m

Brussels Bruxelles-National

Tue 11/4

10:00 am-11:59 am

1 stop31h 59m

$523

MiamiBrussels

MIA - BRU

MIABRU

Miami

Sun 2/1

11:50 pm-11:50 pm

1 stop18h 00m

Brussels Bruxelles-National

Sun 2/8

11:50 am-10:05 pm

1 stop16h 15m

$538

MiamiBrussels

MIA - BRU

MIABRU

Miami

Fri 11/21

7:15 am-9:40 am

2 stops20h 25m

Brussels Bruxelles-National

Sun 11/30

7:45 pm-6:05 pm

2 stops28h 20m

$545

MiamiBrussels

MIA - BRU

MIABRU

Miami

Tue 3/10

10:45 pm-5:45 pm

1 stop14h 00m

Brussels Bruxelles-National

Thu 3/12

10:45 am-8:30 pm

1 stop14h 45m

$553

MiamiBrussels

MIA - BRU

MIABRU

Miami

Sun 10/19

2:25 pm-7:50 am

2 stops35h 25m

Brussels Bruxelles-National

Tue 11/4

10:00 am-11:26 am

2 stops31h 26m

$556

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 28 results
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Best time to book a flight from Key Largo to Brussels

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

How far ahead should I book a flight from Key Largo to Brussels?

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Brussels. Price data was last updated on September 12, 2025.

Booking 79 days in advance of your planned departure date is, on average, the best time to get cheap flights from Key Largo to Brussels. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Key Largo to Brussels?

Currently, November is the cheapest month in which you can book a flight from Key Largo to Brussels (average of $614). Flying from Key Largo to Brussels in June is currently the most expensive (average of $1,077). 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.

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

Find hourly flight availability from Key Largo to Brussels. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 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 Brussels as you normally would.

What is the cheapest day to fly from Key Largo to Brussels?

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Brussels. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Key Largo to Brussels flight should consider departing on Tuesday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Brussels

Get insights into the airlines that provide service to Brussels. 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 Brussels. Reviews last updated September 16, 2025.
Read reviews from past customers who have flown Scandinavian Airlines, United Airlines, and American Airlines from Key Largo to Brussels. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.4
Good
1,484 reviews

Entertainment

6.7

Food

6.7

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
Scandinavian Airlines
7.4
Good
1,484 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Entertainment

6.7

Food

6.7

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
United Airlines
7.4
Good
8,929 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Entertainment

6.7

Food

6.7

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
American Airlines
7.2
Good
10,000 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Entertainment

6.7

Food

6.7

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
TAP AIR PORTUGAL
7.1
Good
1,975 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Entertainment

6.7

Food

6.7

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
Air Europa
7.0
Good
556 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Entertainment

6.7

Food

6.7

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Brussels. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Key Largo to Brussels?

    There are many flights that can get you from Key Largo to Brussels in 40h 45m. Fly via Scandinavian Airlines to get the fastest option. Key Largo and Brussels are separated by a distance of 4631 mi.

  • Can I find deals for flights from Key Largo to Brussels that include hotel bookings?

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Key Largo to Brussels (average of $614). Flying from Key Largo to Brussels in June is currently the most expensive (average of $1,077). 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 10 airlines flying from Key Largo to Brussels

Discover the top 10 airlines that operate flights from Key Largo to Brussels. 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$441Average$560FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$477Average$625FlexibilityNo cancel feeOn-time67%
Air EuropaCheapest$501Average$662FlexibilityNo cancel feeOn-time83%
Brussels AirlinesCheapest$506Average$730FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$521Average$885FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$542Average$627FlexibilityNo cancel feeOn-time75%
SWISSCheapest$543Average$680FlexibilityNo cancel feeOn-time79%
Air FranceCheapest$558Average$783FlexibilityNo cancel feeOn-time77%
DeltaCheapest$562Average$743FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$570Average$967FlexibilityNo cancel feeOn-time71%

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