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$250+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — BRU
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to Brussels are usually found in January or February, booked 80 days in advance, depart on a Wednesday or Tuesday and return on a Sunday

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 October 30, 2025.

This oojo deal was found by Cheapflights users on 10/28. 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.
Tue 12/27:55 pmMIA - BRU
1 stop17h 55mScandinavian Airlines
Sat 2/283:10 pmBRU - MIA
1 stop32h 55mScandinavian Airlines
Deal found 10/28$461
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Thu 11/276:45 pmMIA - BRU
1 stop12h 25mLufthansa
Thu 12/47:00 amBRU - MIA
1 stop13h 40mLufthansa
Deal found 10/30$505
This Flightnetwork deal was found by Cheapflights users on 10/30. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/278:00 amMIA - BRU
1 stop17h 50mAir Canada
Wed 12/1010:00 amBRU - MIA
1 stop18h 29mAir Canada
Deal found 10/30$513
This Mytrip deal was found by Cheapflights users on 10/30. 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 11/2712:25 pmMIA - BRU
1 stop13h 25mMultiple Airlines
Thu 12/47:00 amBRU - MIA
1 stop13h 40mMultiple Airlines
Deal found 10/30$533
This Air Canada deal was found by Cheapflights users on 10/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2612:25 pmMIA - BRU
2 stops18h 50mAir Canada
Sat 12/610:00 amBRU - MIA
1 stop18h 29mAir Canada
Deal found 10/29$538
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Tue 12/29:10 pmMIA - CRL
2 stops43h 35mMultiple Airlines
Sat 2/281:15 pmCRL - MIA
1 stop36h 45mMultiple Airlines
Deal found 10/28$612
This Mytrip deal was found by Cheapflights users on 10/30. 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 11/279:45 pmMIA - CRL
2 stops19h 10mMultiple Airlines
Thu 12/46:30 amCRL - MIA
2 stops19h 00mMultiple Airlines
Deal found 10/30$693
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Thu 11/279:10 pmMIA - CRL
2 stops19h 20mMultiple Airlines
Wed 12/106:55 amCRL - MIA
2 stops18h 25mMultiple Airlines
Deal found 10/29$695
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Thu 11/2012:41 pmMIA - CRL
3 stops28h 14mMultiple Airlines
Sat 12/61:15 pmCRL - MIA
3 stops40h 42mMultiple Airlines
Deal found 10/29$792

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 October 30, 2025.

Round-trip from

$390
(oojo)

One-way from

$250
(Kissandfly.com)

Popular in

June

Cheapest in

January

Average price

$731
From Key Largo to Brussels
Search Deals
One-way flight from Key Largo to Brussels
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($216 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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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 October 30, 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

Tue 2/10

7:40 am-9:40 am

2 stops20h 00m

Brussels Bruxelles-National

Tue 3/3

7:20 pm-6:35 pm

2 stops29h 15m

$445

MiamiBrussels

MIA - BRU

MIABRU

Miami

Tue 2/10

11:43 am-9:40 am

2 stops15h 57m

Brussels Bruxelles-National

Thu 3/5

7:15 pm-6:35 pm

1 stop29h 20m

$449

MiamiBrussels

MIA - BRU

MIABRU

Miami

Tue 2/10

11:43 am-9:40 am

2 stops15h 57m

Brussels Bruxelles-National

Fri 3/6

7:20 pm-6:35 pm

2 stops29h 15m

$457

MiamiBrussels

MIA - BRU

MIABRU

Miami

Tue 12/2

7:55 pm-6:40 pm

2 stops16h 45m

Brussels Bruxelles-National

Sat 2/28

3:10 pm-6:05 pm

1 stop32h 55m

$462

MiamiBrussels

MIA - BRU

MIABRU

Miami

Mon 2/9

8:40 pm-2:30 pm

1 stop11h 50m

Brussels Bruxelles-National

Wed 3/4

10:20 am-6:35 pm

1 stop14h 15m

$467

MiamiBrussels

MIA - BRU

MIABRU

Miami

Tue 2/10

8:40 pm-2:30 pm

1 stop11h 50m

Brussels Bruxelles-National

Wed 3/4

7:20 pm-6:35 pm

2 stops53h 15m

$469

MiamiBrussels

MIA - BRU

MIABRU

Miami

Thu 2/12

8:40 pm-6:40 pm

2 stops16h 00m

Brussels Bruxelles-National

Mon 2/16

8:30 pm-6:35 pm

1 stop28h 05m

$472

MiamiBrussels

MIA - BRU

MIABRU

Miami

Wed 1/14

8:40 pm-7:50 pm

2 stops17h 10m

Brussels Bruxelles-National

Thu 1/22

8:30 pm-6:35 pm

1 stop28h 05m

$473

MiamiBrussels

MIA - BRU

MIABRU

Miami

Sat 2/7

8:40 pm-7:05 pm

1 stop16h 25m

Brussels Bruxelles-National

Fri 3/6

10:20 am-6:35 pm

1 stop14h 15m

$488

MiamiBrussels

MIA - BRU

MIABRU

Miami

Thu 2/12

8:40 pm-2:30 pm

1 stop11h 50m

Brussels Bruxelles-National

Mon 3/2

10:20 am-6:05 pm

1 stop13h 45m

$490

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 34 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 October 24, 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, January is the cheapest month in which you can book a flight from Key Largo to Brussels (average of $443). Flying from Key Largo to Brussels in June is currently the most expensive (average of $691). 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 October 30, 2025.

When flying from Key Largo to Brussels, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 11% versus a flight in the evening.

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 Wednesday afternoons when fares are most often at their lowest. Saturday afternoons 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 October 30, 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
1,548 reviews

Comfort

7.3

Food

6.6

Entertainment

6.6

Boarding

7.6

Overall

7.4

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
1,548 reviews
Scandinavian Airlines
7.4
Good
1,548 reviews

Comfort

7.3

Food

6.6

Entertainment

6.6

Boarding

7.6

Overall

7.4

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
8,998 reviews
Scandinavian Airlines
7.4
Good
1,548 reviews

Comfort

7.3

Food

6.6

Entertainment

6.6

Boarding

7.6

Overall

7.4

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
11,035 reviews
Scandinavian Airlines
7.4
Good
1,548 reviews

Comfort

7.3

Food

6.6

Entertainment

6.6

Boarding

7.6

Overall

7.4

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
2,040 reviews
Scandinavian Airlines
7.4
Good
1,548 reviews

Comfort

7.3

Food

6.6

Entertainment

6.6

Boarding

7.6

Overall

7.4

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
568 reviews
Scandinavian Airlines
7.4
Good
1,548 reviews

Comfort

7.3

Food

6.6

Entertainment

6.6

Boarding

7.6

Overall

7.4

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 20h. 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, January is the cheapest month in which you can book a flight from Key Largo to Brussels (average of $443). Flying from Key Largo to Brussels in June is currently the most expensive (average of $691). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$443Average$565FlexibilityNo cancel feeOn-time77%
Air EuropaCheapest$501Average$660FlexibilityNo cancel feeOn-time83%
Brussels AirlinesCheapest$506Average$737FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$521Average$911FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$543Average$697FlexibilityNo cancel feeOn-time79%
Air CanadaCheapest$545Average$612FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$558Average$783FlexibilityNo cancel feeOn-time77%
DeltaCheapest$562Average$752FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$570Average$967FlexibilityNo cancel feeOn-time71%
IberiaCheapest$575Average$775FlexibilityNo cancel feeOn-time77%

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