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$248+ Cheap flights from San Diego (SAN) 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BRU
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
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Cheap flight deals from San Diego to Brussels

Cheapest flights from San Diego to Brussels
Explore the most affordable flight options available from San Diego to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.

This United Airlines deal was found by Cheapflights users on 12/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:42 pmSAN - BRU
2 stops15h 33mUnited Airlines
Fri 1/99:40 amBRU - SAN
2 stops21h 53mUnited Airlines
Deal found 12/20$845
This Cheapflightsfares deal was found by Cheapflights users on 12/20. 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.
Thu 12/2511:00 amSAN - BRU
2 stops23h 55mLufthansa
Fri 1/910:10 amBRU - SAN
1 stop21h 23mLufthansa
Deal found 12/20$849
This Trip.com deal was found by Cheapflights users on 12/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:35 pmSAN - BRU
1 stop17h 20mMultiple Airlines
Wed 12/3110:10 amBRU - SAN
1 stop17h 31mMultiple Airlines
Deal found 12/20$973
This United Airlines deal was found by Cheapflights users on 12/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:00 amSAN - BRU
2 stops19h 15mUnited Airlines
Thu 1/111:55 amBRU - SAN
1 stop17h 57mUnited Airlines
Deal found 12/20$1,024
This United Airlines deal was found by Cheapflights users on 12/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:15 amSAN - BRU
2 stops22h 00mUnited Airlines
Wed 12/3111:55 amBRU - SAN
2 stops30h 44mUnited Airlines
Deal found 12/20$1,029
This Cheapflightsfares deal was found by Cheapflights users on 12/20. 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.
Thu 12/2511:00 amSAN - BRU
2 stops23h 55mLufthansa
Thu 1/16:45 amBRU - SAN
2 stops20h 56mLufthansa
Deal found 12/20$1,063
This KAYAK deal was found by Cheapflights users on 12/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:35 pmSAN - BRU
1 stop14h 40mLufthansa
Wed 12/319:35 amBRU - SAN
2 stops20h 12mLufthansa
Deal found 12/20$1,087
This United Airlines deal was found by Cheapflights users on 12/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:00 amSAN - BRU
2 stops17h 15mUnited Airlines
Mon 1/511:55 amBRU - SAN
1 stop17h 57mUnited Airlines
Deal found 12/20$1,139
This KAYAK deal was found by Cheapflights users on 12/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:35 pmSAN - BRU
1 stop17h 20mLufthansa
Mon 1/510:10 amBRU - SAN
1 stop21h 41mLufthansa
Deal found 12/20$1,150
This Ovago deal was found by Cheapflights users on 12/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/234:45 pmSAN - BRU
1 stop31h 10mLufthansa
Mon 1/510:10 amBRU - SAN
1 stop17h 31mLufthansa
Deal found 12/20$1,247

Find flight deals from San Diego to Brussels

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) 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 December 21, 2025.

Round-trip from

$482
(Mytrip)

One-way from

$248
(oojo)

Popular in

June

Cheapest in

March

Average price

$861
From San Diego to Brussels
Search Deals
One-way flight from San Diego to Brussels
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($300 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego 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 21, 2025.
Use the filters below to find and compare flights from San Diego to Brussels that are best for you.

Fly from

San Diego

Fly to

Brussels

Route

Depart

Return

Price

San DiegoBrussels

SAN - BRU

SANBRU

San Diego

Tue 2/3

10:52 am-8:55 am

1 stop13h 03m

Brussels Bruxelles-National

Tue 2/10

10:00 am-7:54 pm

2 stops42h 54m

$488

San DiegoBrussels

SAN - BRU

SANBRU

San Diego

Tue 2/3

10:52 am-8:55 am

1 stop13h 03m

Brussels Bruxelles-National

Tue 2/10

11:55 am-8:47 pm

1 stop17h 52m

$498

San DiegoBrussels

SAN - BRU

SANBRU

San Diego

Tue 2/3

6:05 pm-7:50 am

2 stops28h 45m

Brussels Bruxelles-National

Tue 2/10

10:00 am-5:24 pm

2 stops40h 24m

$499

San DiegoBrussels

SAN - BRU

SANBRU

San Diego

Wed 2/4

11:10 am-1:15 pm

2 stops17h 05m

Brussels Bruxelles-National

Wed 2/11

9:35 am-3:45 pm

1 stop15h 10m

$503

San DiegoBrussels

SAN - BRU

SANBRU

San Diego

Wed 2/4

7:00 am-8:55 am

1 stop16h 55m

Brussels Bruxelles-National

Wed 2/11

9:05 am-3:45 pm

1 stop15h 40m

$507

San DiegoBrussels

SAN - BRU

SANBRU

San Diego

Mon 2/2

11:43 am-2:15 pm

2 stops17h 32m

Brussels Bruxelles-National

Mon 2/9

10:45 am-8:37 pm

2 stops18h 52m

$519

San DiegoBrussels

SAN - BRU

SANBRU

San Diego

Thu 1/15

9:00 am-1:15 pm

2 stops19h 15m

Brussels Bruxelles-National

Mon 1/19

9:40 am-8:49 pm

2 stops20h 09m

$523

San DiegoBrussels

SAN - BRU

SANBRU

San Diego

Fri 1/30

10:37 am-2:15 pm

2 stops18h 38m

Brussels Bruxelles-National

Tue 2/3

8:05 am-10:31 pm

2 stops23h 26m

$528

San DiegoBrussels

SAN - BRU

SANBRU

San Diego

Wed 2/25

4:00 pm-10:40 pm

2 stops21h 40m

Brussels Bruxelles-National

Wed 5/13

7:00 am-5:24 pm

2 stops19h 24m

$564

San DiegoBrussels

SAN - BRU

SANBRU

San Diego

Mon 3/23

6:15 am-8:00 am

1 stop17h 45m

Brussels Bruxelles-National

Wed 4/8

3:10 pm-11:50 am

1 stop29h 40m

$577

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 18 results
1
2

Best time to book a flight from San Diego to Brussels

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

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

Currently, March is the cheapest month in which you can book a flight from San Diego to Brussels (average of $423). Flying from San Diego to Brussels in July is currently the most expensive (average of $863). 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 December 21, 2025.
Get a feel of what it's like to fly with United Airlines and Lufthansa from San Diego to Brussels by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,099 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

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
9,099 reviews
United Airlines
7.4
Good
9,099 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

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??
Lufthansa
6.8
Okay
7,639 reviews
United Airlines
7.4
Good
9,099 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

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 San Diego to Brussels. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Diego to Brussels?

    If you book a flight to Brussels from San Diego, you will be flying from San Diego, which is the city’s only airport. San Diego (SAN) is located 2.6 mi from the center of San Diego. There are 0 flights from San Diego to Brussels per day from 2 different airlines.

  • How long is the flight from San Diego to Brussels?

    For as low as $488, United Airlines can have you in Brussels from San Diego in 13h 03m. Airlines will cover a distance of 5654 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from San Diego to Brussels round-trip?

    According to our current data, Lufthansa ($423), and United Airlines ($607) offers the cheapest pricing from San Diego to Brussels. Lufthansa is priced at 51% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from San Diego to Brussels (average of $423). Flying from San Diego to Brussels in July is currently the most expensive (average of $863). 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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Alternative routes for San Diego to Brussels

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Top 2 airlines flying from San Diego to Brussels

Discover the top 2 airlines that operate flights from San Diego 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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$423Average$835FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$607Average$824FlexibilityNo cancel feeOn-time69%

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