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$224+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — BRU
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
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 45 days in advance, depart on a Wednesday or Tuesday and return on a Sunday

Cheap 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 December 15, 2025.

This Travelocity deal was found by Cheapflights users on 12/13. 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.
Wed 12/2410:30 pmMIA - BRU
1 stop18h 05mMultiple Airlines
Thu 1/87:45 pmBRU - MIA
1 stop24h 10mMultiple Airlines
Deal found 12/13$798
This oojo deal was found by Cheapflights users on 12/13. 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.
Mon 12/297:40 pmMIA - BRU
1 stop33h 00mITA Airways
Wed 1/79:25 amBRU - MIA
2 stops36h 50mITA Airways
Deal found 12/13$802
This oojo deal was found by Cheapflights users on 12/13. 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.
Wed 12/248:00 pmMIA - BRU
2 stops17h 15mITA Airways
Thu 1/811:35 amBRU - MIA
1 stop15h 20mITA Airways
Deal found 12/13$805
This oojo deal was found by Cheapflights users on 12/13. 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.
Wed 12/244:30 pmMIA - BRU
2 stops21h 05mBritish Airways
Thu 1/88:35 pmBRU - MIA
2 stops27h 53mBritish Airways
Deal found 12/13$806
This oojo deal was found by Cheapflights users on 12/13. 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.
Mon 12/299:54 pmMIA - BRU
2 stops30h 56mBritish Airways
Wed 1/78:30 pmBRU - MIA
2 stops44h 30mBritish Airways
Deal found 12/13$833
This Iberia deal was found by Cheapflights users on 12/13. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1410:05 pmMIA - BRU
1 stop12h 35mMultiple Airlines
Wed 12/3112:10 pmBRU - MIA
1 stop14h 35mMultiple Airlines
Deal found 12/13$939
This British Airways deal was found by Cheapflights users on 12/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:25 pmMIA - BRU
1 stop15h 05mMultiple Airlines
Wed 12/317:00 amBRU - MIA
1 stop19h 45mMultiple Airlines
Deal found 12/15$945
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:50 pmMIA - BRU
1 stop11h 20mDelta
Wed 12/312:45 pmBRU - MIA
2 stops15h 46mDelta
Deal found 12/15$976
This American Airlines deal was found by Cheapflights users on 12/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1410:05 pmMIA - BRU
1 stop12h 35mAmerican Airlines
Wed 12/317:00 amBRU - MIA
1 stop19h 45mAmerican Airlines
Deal found 12/14$989
This Kiwi.com deal was found by Cheapflights users on 12/13. 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 12/2910:30 pmMIA - CRL
1 stop16h 40mMultiple Airlines
Wed 1/77:30 pmCRL - MIA
2 stops49h 20mMultiple Airlines
Deal found 12/13$1,016
This Mytrip deal was found by Cheapflights users on 12/13. 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.
Sat 12/137:50 pmMIA - CRL
2 stops20h 55mMultiple Airlines
Wed 12/176:55 amCRL - MIA
2 stops18h 35mMultiple Airlines
Deal found 12/13$1,147
This Kiwi.com deal was found by Cheapflights users on 12/13. 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 12/275:20 pmMIA - CRL
1 stop13h 10mMultiple Airlines
Wed 12/3110:25 amCRL - MIA
1 stop16h 20mMultiple Airlines
Deal found 12/13$1,159

Find 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 December 15, 2025.

Round-trip from

$455
(Mytrip)

One-way from

$224
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$881
From Key Largo to Brussels
Search Deals
One-way flight from Key Largo to Brussels
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($187 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 15, 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

Wed 1/21

8:40 pm-6:40 pm

1 stop16h 00m

Brussels Bruxelles-National

Tue 1/27

10:20 am-6:35 pm

1 stop14h 15m

$456

MiamiBrussels

MIA - BRU

MIABRU

Miami

Mon 1/19

8:40 pm-6:40 pm

2 stops16h 00m

Brussels Bruxelles-National

Sun 2/1

7:45 pm-6:35 pm

2 stops28h 50m

$477

MiamiBrussels

MIA - BRU

MIABRU

Miami

Wed 2/18

8:40 pm-6:40 pm

1 stop16h 00m

Brussels Bruxelles-National

Wed 2/25

7:20 pm-6:35 pm

2 stops53h 15m

$487

MiamiBrussels

MIA - BRU

MIABRU

Miami

Wed 1/21

8:40 pm-6:40 pm

1 stop16h 00m

Brussels Bruxelles-National

Sun 1/25

7:45 pm-6:35 pm

2 stops52h 50m

$494

MiamiBrussels

MIA - BRU

MIABRU

Miami

Wed 1/21

4:35 pm-11:50 pm

1 stop25h 15m

Brussels Bruxelles-National

Sat 1/31

5:55 pm-10:05 pm

1 stop34h 10m

$562

MiamiBrussels

MIA - BRU

MIABRU

Miami

Fri 1/16

11:35 pm-11:50 pm

1 stop18h 15m

Brussels Bruxelles-National

Sat 1/31

5:55 pm-10:05 pm

1 stop34h 10m

$562

MiamiBrussels

MIA - CRL

MIACRL

Miami

Wed 2/18

9:45 pm-10:50 pm

1 stop19h 05m

Charleroi Brussels

Wed 2/25

10:25 am-7:30 pm

1 stop15h 05m

$576

MiamiBrussels

MIA - BRU

MIABRU

Miami

Sat 2/7

6:55 am-9:40 am

2 stops20h 45m

Brussels Bruxelles-National

Sun 2/15

7:45 pm-6:35 pm

2 stops28h 50m

$580

MiamiBrussels

MIA - CRL

MIACRL

Miami

Wed 3/4

7:50 pm-8:55 pm

2 stops19h 05m

Charleroi Brussels

Wed 3/11

6:55 am-9:00 pm

1 stop19h 05m

$642

MiamiBrussels

MIA - CRL

MIACRL

Miami

Mon 3/2

7:50 pm-9:35 pm

2 stops19h 45m

Charleroi Brussels

Fri 3/6

6:25 am-8:00 pm

1 stop19h 35m

$696

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 31 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 December 12, 2025.

Booking 45 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 $445). 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 December 15, 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 December 15, 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
1,606 reviews

Comfort

7.3

Crew

8.0

Boarding

7.6

Food

6.7

Overall

7.4

Entertainment

6.7

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
1,606 reviews
Scandinavian Airlines
7.4
Good
1,606 reviews

Comfort

7.3

Crew

8.0

Boarding

7.6

Food

6.7

Overall

7.4

Entertainment

6.7

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
9,094 reviews
Scandinavian Airlines
7.4
Good
1,606 reviews

Comfort

7.3

Crew

8.0

Boarding

7.6

Food

6.7

Overall

7.4

Entertainment

6.7

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
11,049 reviews
Scandinavian Airlines
7.4
Good
1,606 reviews

Comfort

7.3

Crew

8.0

Boarding

7.6

Food

6.7

Overall

7.4

Entertainment

6.7

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
7.2
Good
2,089 reviews
Scandinavian Airlines
7.4
Good
1,606 reviews

Comfort

7.3

Crew

8.0

Boarding

7.6

Food

6.7

Overall

7.4

Entertainment

6.7

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
571 reviews
Scandinavian Airlines
7.4
Good
1,606 reviews

Comfort

7.3

Crew

8.0

Boarding

7.6

Food

6.7

Overall

7.4

Entertainment

6.7

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 16h. Fly via Scandinavian Airlines to get the fastest option. Key Largo and Brussels are separated by a distance of 4631 mi.

  • What are the cheapest airlines to fly from Key Largo to Brussels one-way?

    One-way options have recently been found by users for as low as $207 on Air Europa. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $370 and Lufthansa from $392 one-way.

  • 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 $445). 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$443Average$588FlexibilityNo cancel feeOn-time77%
Air EuropaCheapest$501Average$679FlexibilityNo cancel feeOn-time83%
TAP AIR PORTUGALCheapest$521Average$903FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$542Average$761FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$545Average$612FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$556Average$978FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$558Average$783FlexibilityNo cancel feeOn-time77%
DeltaCheapest$562Average$740FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$575Average$804FlexibilityNo cancel feeOn-time77%
ITA AirwaysCheapest$578Average$871FlexibilityNo cancel feeOn-time81%

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