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Cheap flights from San Juan to Brussels

SJU — BRU
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Find flight deals from San Juan to Brussels

Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Brussels (BR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 28, 2026.

Popular in

July

Cheapest in

March

Average price

$612
Highest demand for flights based on searches. 30% potential increase in price ($314 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Best time to book a flight from San Juan to Brussels

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

What is the cheapest month to book a flight from San Juan to Brussels?

Currently, March is the cheapest month in which you can book a flight from San Juan to Brussels (average of $421). Flying from San Juan to Brussels in June is currently the most expensive (average of $1,143). 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.

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 January 28, 2026.
Read reviews from past customers who have flown Delta, United Airlines, and Iberia from San Juan 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.
Delta
7.9
Good
8,120 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Delta
7.9
Good
8,120 reviews
Delta
7.9
Good
8,120 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
United Airlines
7.4
Good
9,205 reviews
Delta
7.9
Good
8,120 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Iberia
7.0
Good
3,099 reviews
Delta
7.9
Good
8,120 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

Related info for your journey

Find useful and relevant information for your journey from San Juan 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 flying from San Juan to Brussels round-trip?

    According to our current data, United Airlines ($553), Delta ($558), and Iberia ($749) offers the cheapest pricing from San Juan to Brussels. United Airlines is 23% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from San Juan to Brussels that include hotel bookings?

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

  • How can I find direct flights from San Juan to Brussels?

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

  • Can I find deals for business class flights from San Juan to Brussels?

    Yes. Cheapflights offers flight deals from San Juan 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 San Juan to Brussels?

    Currently, March is the cheapest month in which you can book a flight from San Juan to Brussels (average of $421). Flying from San Juan to Brussels in June is currently the most expensive (average of $1,143). 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.

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Top 3 airlines flying from San Juan to Brussels

Discover the top 3 airlines that operate flights from San Juan 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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$553Average$663FlexibilityNo cancel feeOn-time69%
DeltaCheapest$558Average$685FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$749Average$1,088FlexibilityNo cancel feeOn-time77%

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