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$230+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — BRU
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to Brussels are usually found in October or January, booked 86 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 July 31, 2025.

Round-trip from

$525
(Mytrip)

One-way from

$230
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$990
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. 23% potential increase in price ($239 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 31, 2025.

This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:55 pmMIA - BRU
1 stop12h 35mScandinavian Airlines
Fri 11/147:20 pmBRU - MIA
2 stops28h 45mScandinavian Airlines
Deal found 7/30$458
This Mytrip deal was found by Cheapflights users on 7/30. 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.
Tue 11/412:45 pmMIA - BRU
2 stops25h 35mMultiple Airlines
Tue 11/111:05 pmBRU - MIA
2 stops31h 35mMultiple Airlines
Deal found 7/30$521
This Mytrip deal was found by Cheapflights users on 7/30. 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.
Mon 9/224:35 pmMIA - BRU
1 stop16h 30mTAP AIR PORTUGAL
Sun 10/55:55 amBRU - MIA
1 stop22h 15mTAP AIR PORTUGAL
Deal found 7/30$525
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/192:20 pmMIA - BRU
1 stop11h 45mAir Canada
Tue 11/1810:00 amBRU - MIA
1 stop18h 29mAir Canada
Deal found 7/30$538
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Wed 11/59:45 pmMIA - CRL
1 stop19h 05mMultiple Airlines
Wed 11/1210:25 amCRL - MIA
1 stop15h 05mMultiple Airlines
Deal found 7/29$569

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 July 31, 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

Mon 9/22

4:35 pm-3:05 pm

1 stop16h 30m

Brussels Bruxelles-National

Sun 10/5

5:55 am-10:10 pm

1 stop22h 15m

$525

MiamiBrussels

MIA - BRU

MIABRU

Miami

Sat 10/11

4:55 pm-2:45 pm

1 stop15h 50m

Brussels Bruxelles-National

Mon 10/13

10:40 am-6:30 pm

1 stop13h 50m

$533

MiamiBrussels

MIA - BRU

MIABRU

Miami

Sun 10/19

2:20 pm-8:05 am

1 stop11h 45m

Brussels Bruxelles-National

Tue 11/18

10:00 am-10:29 pm

1 stop18h 29m

$538

MiamiBrussels

MIA - BRU

MIABRU

Miami

Mon 8/11

5:15 pm-9:00 am

2 stops33h 45m

Brussels Bruxelles-National

Wed 8/27

9:10 pm-2:20 pm

1 stop23h 10m

$553

MiamiBrussels

MIA - BRU

MIABRU

Miami

Tue 10/21

12:00 pm-3:20 pm

2 stops21h 20m

Brussels Bruxelles-National

Mon 10/27

10:20 am-7:05 pm

1 stop13h 45m

$572

MiamiBrussels

MIA - BRU

MIABRU

Miami

Mon 8/11

7:30 pm-10:40 am

1 stop33h 10m

Brussels Bruxelles-National

Sun 8/24

11:35 am-4:00 pm

1 stop34h 25m

$598

MiamiBrussels

MIA - BRU

MIABRU

Miami

Tue 10/21

9:30 pm-5:40 pm

1 stop14h 10m

Brussels Bruxelles-National

Mon 10/27

6:55 pm-8:30 pm

1 stop30h 35m

$599

MiamiBrussels

MIA - BRU

MIABRU

Miami

Thu 10/9

10:15 pm-10:10 am

1 stop29h 55m

Brussels Bruxelles-National

Tue 10/14

6:50 pm-7:10 am

1 stop18h 20m

$600

MiamiBrussels

MIA - BRU

MIABRU

Miami

Wed 8/27

12:50 pm-7:25 am

1 stop12h 35m

Brussels Bruxelles-National

Wed 9/3

10:00 am-2:11 pm

2 stops34h 11m

$654

MiamiBrussels

MIA - CRL

MIACRL

Miami

Tue 10/21

9:30 pm-10:55 pm

1 stop19h 25m

Charleroi Brussels

Mon 10/27

6:25 am-8:30 pm

1 stop19h 05m

$663

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 15 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 July 25, 2025.

Booking 86 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 $1,081). 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 July 31, 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 July 31, 2025.
Read reviews from past customers who have flown United Airlines, Scandinavian Airlines, and Turkish 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.
United Airlines
7.4
Good
8,900 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,900 reviews
United Airlines
7.4
Good
8,900 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Scandinavian Airlines
7.4
Good
1,457 reviews
United Airlines
7.4
Good
8,900 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Turkish Airlines
7.3
Good
3,933 reviews
United Airlines
7.4
Good
8,900 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,900 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,851 reviews
United Airlines
7.4
Good
8,900 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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 $268 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Iberia from $381 and Scandinavian Airlines from $383 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, 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 $1,081). 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$421Average$500FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$477Average$710FlexibilityNo cancel feeOn-time67%
Air EuropaCheapest$490Average$590FlexibilityNo cancel feeOn-time83%
Brussels AirlinesCheapest$506Average$637FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$521Average$862FlexibilityNo 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$735FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$570Average$836FlexibilityNo cancel feeOn-time71%

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