What are the cheapest airlines to fly from California to Brussels one-way?

For one-way options, check prices for KLM. According to our data, you can fly for as low as $464. Users have also found prices from $473 and $493 on British Airways and Delta, respectively.

In terms of precipitation, rainfall in Brussels ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. August is typically the driest time to visit Brussels when rainfall is around 1.6 in.

If weather is an important factor for your trip to Brussels, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 F).

What are the most popular routes from California to Brussels?

The most popular route from California to Brussels is Los Angeles - Brussels Bruxelles-National. You may also consider San Francisco - Brussels Bruxelles-National or San Diego - Brussels Bruxelles-National.

What are the most popular airlines that fly from California to Brussels?

American Airlines, Air Canada and Air France are the most popular airlines when flying from California to Brussels.

How far in advance should I book a flight from California to Brussels?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 48 days in advance, which can save you up to 27% on flights from California to Brussels compared to booking the week you need them. Waiting 48 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $682. For sooner than that we have options available in the next 3 days from $682.

What is the cheapest month to fly from California to Brussels?

The best pricing can be found in the month of March. Prices to Brussels from California average $791. You can even find prices in March for less than $791, as users have found deals to Brussels from as low as $444. The month of June appears to be one of the more expensive times to travel to Brussels from California. Flying in the targeted month can save you up to 32%.

Can I find deals for flights from California to Brussels that include hotel bookings?

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

How can I find direct flights from California to Brussels?

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

Can I find deals for business class flights from California to Brussels?

Yes. Cheapflights offers flight deals from California 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.

$225+ Flights from California to Brussels

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Cheap flight deals from California to Brussels

Round-trip from	$474 (oojo)
One-way from	$225 (Kiwi.com)
Popular in	June
Cheapest in	March
Average price	$691

From California to Brussels

Search Deals

One-way flight from California to Brussels

Search Deals

Highest demand for flights based on searches. 20% potential increase in price ($200 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Find flight deals from California to Brussels

Cheapest flights from California to Brussels
Explore the most affordable flight options available from California to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Thu 11/134:40 pmSFO - BRU

1 stop18h 10mScandinavian Airlines

Sun 11/238:30 pmBRU - SFO

1 stop27h 05mScandinavian Airlines

Deal found 8/12

$474

Mon 10/137:40 pmSFO - BRU

1 stop34h 40mScandinavian Airlines

Thu 10/167:00 pmBRU - SFO

2 stops30h 30mScandinavian Airlines

Deal found 8/13

$482

Thu 10/167:40 pmSFO - BRU

1 stop13h 50mScandinavian Airlines

Thu 11/610:20 amBRU - SFO

1 stop13h 15mScandinavian Airlines

Deal found 8/13

$484

Sat 10/258:50 pmSFO - BRU

1 stop15h 00mScandinavian Airlines

Tue 11/1111:30 amBRU - SFO

2 stops60h 05mScandinavian Airlines

Deal found 8/13

$490

Tue 10/77:40 pmSFO - BRU

1 stop13h 50mScandinavian Airlines

Thu 10/167:00 pmBRU - SFO

2 stops30h 30mScandinavian Airlines

Deal found 8/14

$492

Fri 10/37:40 pmSFO - BRU

1 stop29h 00mScandinavian Airlines

Thu 10/168:30 pmBRU - SFO

1 stop29h 00mScandinavian Airlines

Deal found 8/12

$502

Mon 11/176:10 pmSAN - BRU

2 stops28h 40mAir Canada

Mon 11/2410:00 amBRU - SAN

2 stops21h 20mAir Canada

Deal found 8/13

$546

Wed 11/126:45 amSAN - BRU

2 stops16h 05mAir Canada

Wed 11/1910:00 amBRU - SAN

2 stops21h 29mAir Canada

Deal found 8/12

$555

Wed 11/512:25 pmSAN - BRU

2 stops16h 10mAir Canada

Wed 11/1210:00 amBRU - SAN

2 stops21h 20mAir Canada

Deal found 8/12

$581

Fri 11/2112:25 pmSNA - BRU

2 stops58h 25mAir Canada

Tue 12/210:00 amBRU - SNA

2 stops58h 21mAir Canada

Deal found 8/12

$591

Mon 11/176:45 amSAN - BRU

2 stops16h 05mMultiple Airlines

Thu 11/2710:00 amBRU - SAN

2 stops35h 03mMultiple Airlines

Deal found 8/12

$592

Wed 11/510:51 amSAN - BRU

1 stop13h 04mUnited Airlines

Wed 11/1210:10 amBRU - SAN

2 stops21h 19mUnited Airlines

Deal found 8/12

$595

Best flights from California to Brussels
Discover carefully curated flight deals from California to Brussels that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Thu 11/134:40 pmSFO - BRU

1 stop18h 10mScandinavian Airlines

Sun 11/238:30 pmBRU - SFO

1 stop27h 05mScandinavian Airlines

Deal found 8/13

$474

Mon 11/176:10 pmSAN - BRU

2 stops28h 40mAir Canada

Mon 11/2410:00 amBRU - SAN

2 stops21h 20mAir Canada

Deal found 8/13

$546

Wed 11/127:00 amSAN - BRU

1 stop16h 05mUnited Airlines

Wed 11/1910:00 amBRU - SAN

2 stops39h 02mUnited Airlines

Deal found 8/11

$583

Mon 11/176:45 amSAN - BRU

2 stops16h 05mMultiple Airlines

Thu 11/2710:00 amBRU - SAN

2 stops35h 03mMultiple Airlines

Deal found 8/12

$592

Wed 12/310:10 amOAK - BRU

2 stops16h 45mIcelandair

Thu 12/1112:50 pmBRU - OAK

2 stops19h 48mIcelandair

Deal found 8/12

$800

Wed 12/245:55 amOAK - BRU

2 stops40h 40mDelta

Mon 12/296:15 amBRU - OAK

2 stops26h 50mDelta

Deal found 8/11

$846

Fri 1/162:35 pmOAK - BRU

2 stops17h 45mBritish Airways

Fri 1/239:50 amBRU - OAK

2 stops22h 48mBritish Airways

Deal found 8/12

$888

Thu 10/167:40 pmSFO - BRU

1 stop29h 00mScandinavian Airlines

Thu 11/611:30 amBRU - SFO

2 stops36h 05mScandinavian Airlines

Deal found 8/13

$482

Mon 10/137:40 pmSFO - BRU

1 stop34h 40mScandinavian Airlines

Thu 10/167:00 pmBRU - SFO

2 stops30h 30mScandinavian Airlines

Deal found 8/13

$482

Wed 11/126:45 amSAN - BRU

2 stops16h 05mAir Canada

Wed 11/1910:00 amBRU - SAN

2 stops21h 29mAir Canada

Deal found 8/12

$555

Sat 10/258:50 pmSFO - BRU

1 stop15h 00mScandinavian Airlines

Tue 11/1111:30 amBRU - SFO

2 stops60h 05mScandinavian Airlines

Deal found 8/13

$490

Tue 1/138:29 pmBUR - BRU

2 stops26h 21mMultiple Airlines

Thu 1/2210:00 amBRU - BUR

2 stops31h 48mMultiple Airlines

Deal found 8/12

$606

Last-minute flights from California to Brussels
Discover last-minute flight deals from California to Brussels. Data last updated August 14, 2025 and is based on user searches.

Mon 8/188:25 pmSJC - BRU

2 stops27h 15mVirgin Atlantic

Tue 8/2610:45 amBRU - SJC

2 stops21h 04mVirgin Atlantic

Deal found 8/13

$613

Tue 8/192:40 pmSFO - BRU

2 stops44h 20mBrussels Airlines

Fri 8/2212:45 pmBRU - SFO

1 stop15h 15mBrussels Airlines

Deal found 8/13

$662

Tue 8/194:00 pmLAX - BRU

1 stop30h 50mMultiple Airlines

Mon 8/256:00 pmBRU - LAX

1 stop31h 30mMultiple Airlines

Deal found 8/12

$668

Tue 8/196:00 amLAX - BRU

2 stops19h 30mAir Canada

Mon 8/2510:00 amBRU - LAX

1 stop18h 40mAir Canada

Deal found 8/12

$718

Wed 8/206:30 amSAN - BRU

1 stop17h 10mMultiple Airlines

Wed 9/310:45 amBRU - SAN

1 stop19h 30mMultiple Airlines

Deal found 8/14

$761

Wed 8/206:20 amSAN - BRU

2 stops17h 20mVirgin Atlantic

Wed 9/310:45 amBRU - SAN

2 stops21h 09mVirgin Atlantic

Deal found 8/14

$766

Thu 8/217:40 pmSFO - BRU

1 stop13h 50mScandinavian Airlines

Thu 9/1110:20 amBRU - SFO

1 stop15h 10mScandinavian Airlines

Deal found 8/12

$625

Fri 8/227:40 pmSFO - BRU

1 stop29h 00mScandinavian Airlines

Wed 8/2710:20 amBRU - SFO

1 stop15h 10mScandinavian Airlines

Deal found 8/14

$590

Sun 8/247:40 pmSFO - BRU

1 stop15h 10mScandinavian Airlines

Sat 8/3010:20 amBRU - SFO

1 stop15h 10mScandinavian Airlines

Deal found 8/12

$595

Sun 8/247:30 pmLAX - BRU

1 stop15h 20mScandinavian Airlines

Tue 9/910:20 amBRU - LAX

2 stops22h 00mScandinavian Airlines

Deal found 8/13

$654

Sun 8/247:30 pmLAX - BRU

1 stop15h 20mScandinavian Airlines

Thu 8/287:00 pmBRU - LAX

2 stops30h 20mScandinavian Airlines

Deal found 8/12

$662

Sun 8/247:40 pmSFO - BRU

1 stop15h 10mScandinavian Airlines

Sat 9/610:20 amBRU - SFO

1 stop15h 10mScandinavian Airlines

Deal found 8/12

$794

One-way flights from California to Brussels
Search for one-way flight options from California to Brussels. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Mon 11/104:35 pmSFO - BRU

2 stops31h 25mMultiple Airlines

Deal found 8/12

$225

Wed 10/154:20 pmSFO - CRL

2 stops34h 30mMultiple Airlines

Deal found 8/12

$234

Wed 10/154:20 pmSFO - BRU

2 stops32h 25mMultiple Airlines

Deal found 8/12

$237

Mon 9/152:30 pmLAX - BRU

1 stop33h 20mMultiple Airlines

Deal found 8/12

$257

Sun 9/217:45 pmLAX - BRU

2 stops40h 55mMultiple Airlines

Deal found 8/12

$262

Mon 9/222:30 pmLAX - CRL

2 stops32h 10mMultiple Airlines

Deal found 8/11

$273

Tue 9/164:40 pmLAX - CRL

2 stops57h 20mMultiple Airlines

Deal found 8/12

$279

Tue 9/234:40 pmLAX - BRU

1 stop18h 25mTAP AIR PORTUGAL

Deal found 8/12

$280

Mon 9/223:05 pmLAX - BRU

2 stops21h 35mMultiple Airlines

Deal found 8/11

$281

Tue 9/96:50 pmLAX - BRU

1 stop29h 00mMultiple Airlines

Deal found 8/12

$287

Wed 9/104:30 pmLAX - CRL

2 stops30h 10mMultiple Airlines

Deal found 8/12

$289

Wed 9/104:30 pmLAX - BRU

2 stops42h 40mMultiple Airlines

Deal found 8/12

$293

Cheapflights Fare Finder

Use the filters below to find and compare flights from California to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoBrussels

SFO - BRU

SFOBRU

San Francisco

Thu 11/13

4:40 pm-7:50 pm

1 stop18h 10m

Brussels Bruxelles-National

Sun 11/23

8:30 pm-2:35 pm

1 stop27h 05m

$474

San FranciscoBrussels

SFO - BRU

SFOBRU

San Francisco

Thu 10/16

7:40 pm-9:40 am

1 stop29h 00m

Brussels Bruxelles-National

Thu 11/6

11:30 am-2:35 pm

2 stops36h 05m

$482

San FranciscoBrussels

SFO - BRU

SFOBRU

San Francisco

Mon 10/13

7:40 pm-3:20 pm

1 stop34h 40m

Brussels Bruxelles-National

Thu 10/16

7:00 pm-4:30 pm

2 stops30h 30m

$482

San FranciscoBrussels

SFO - BRU

SFOBRU

San Francisco

Sat 10/25

8:50 pm-7:50 pm

1 stop15h 00m

Brussels Bruxelles-National

Tue 11/11

11:30 am-2:35 pm

2 stops60h 05m

$490

San FranciscoBrussels

SFO - BRU

SFOBRU

San Francisco

Tue 10/7

7:40 pm-7:50 pm

1 stop15h 10m

Brussels Bruxelles-National

Thu 10/16

7:00 pm-4:30 pm

2 stops30h 30m

$492

San FranciscoBrussels

SFO - BRU

SFOBRU

San Francisco

Wed 10/15

7:40 pm-6:30 pm

1 stop13h 50m

Brussels Bruxelles-National

Fri 10/31

9:40 pm-3:35 pm

2 stops25h 55m

$492

San DiegoBrussels

SAN - BRU

SANBRU

San Diego

Mon 11/17

6:10 pm-7:50 am

2 stops28h 40m

Brussels Bruxelles-National

Mon 11/24

10:00 am-10:20 pm

2 stops21h 20m

$546

San DiegoBrussels

SAN - BRU

SANBRU

San Diego

Wed 11/12

6:45 am-7:50 am

2 stops16h 05m

Brussels Bruxelles-National

Wed 11/19

10:00 am-10:29 pm

2 stops21h 29m

$555

San DiegoBrussels

SAN - BRU

SANBRU

San Diego

Wed 11/5

12:25 pm-1:35 pm

2 stops16h 10m

Brussels Bruxelles-National

Wed 11/12

10:00 am-10:20 pm

2 stops21h 20m

$581

San DiegoBrussels

SAN - BRU

SANBRU

San Diego

Wed 11/12

7:00 am-8:05 am

1 stop16h 05m

Brussels Bruxelles-National

Wed 11/19

10:00 am-4:02 pm

2 stops39h 02m

$583

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 60 results

...

Best time to book a flight from California to Brussels

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

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

Currently, November is the cheapest month in which you can book a flight from California to Brussels (average of $614). Flying from California to Brussels in June is currently the most expensive (average of $1,079). 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 CA to BRU?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to Brussels as you normally would.

Related info for your journey

What are the cheapest airlines to fly from California to Brussels one-way?
For one-way options, check prices for KLM. According to our data, you can fly for as low as $464. Users have also found prices from $473 and $493 on British Airways and Delta, respectively.
What are the most popular routes from California to Brussels?
The most popular route from California to Brussels is Los Angeles - Brussels Bruxelles-National. You may also consider San Francisco - Brussels Bruxelles-National or San Diego - Brussels Bruxelles-National.
Can I find deals for flights from California to Brussels that include hotel bookings?
Yes. In addition to deals on California to Brussels flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from California to Brussels?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to Brussels.
Can I find deals for business class flights from California to Brussels?
Yes. Cheapflights offers flight deals from California 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 California to Brussels?
Currently, November is the cheapest month in which you can book a flight from California to Brussels (average of $614). Flying from California to Brussels in June is currently the most expensive (average of $1,079). 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

Top 10 airlines flying from California to Brussels

Airline	Cheapest	Average	Flexibility	On-time
SWISS	Cheapest$206	Average$902	FlexibilityNo cancel fee	On-time79%
Scandinavian Airlines	Cheapest$446	Average$661	FlexibilityNo cancel fee	On-time77%
Aer Lingus	Cheapest$454	Average$799	FlexibilityNo cancel fee	On-timeN/A
TAP AIR PORTUGAL	Cheapest$470	Average$875	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$517	Average$1,017	FlexibilityNo cancel fee	On-time70%
Air France	Cheapest$520	Average$745	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$520	Average$1,163	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$521	Average$749	FlexibilityNo cancel fee	On-time71%
KLM	Cheapest$530	Average$974	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$573	Average$930	FlexibilityNo cancel fee	On-time69%

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$225+ Cheap flights from California 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from California to Brussels with Cheapflights

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3. Compare prices and book

Cheap flight deals from California to Brussels

Keep the following information in mind while searching for California to Brussels flight deals. Data was last updated August 14, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from California to Brussels

Cheapest flights from California to BrusselsExplore the most affordable flight options available from California to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Explore the most affordable flight options available from California to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from California to Brussels that are best for you.

Best time to book a flight from California to Brussels

Have a flexible travel schedule? Discover the best time to fly to Brussels from California with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from California to Brussels

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

What is the cheapest time of day to fly from CA to BRU?

Find hourly flight availability from California 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 August 14, 2025.

Related info for your journey

Find useful and relevant information for your journey from California 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 California to Brussels one-way?

What are the most popular routes from California to Brussels?

Can I find deals for flights from California to Brussels that include hotel bookings?

How can I find direct flights from California to Brussels?

Can I find deals for business class flights from California to Brussels?

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

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.

Alternative routes for California to Brussels

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from California to Brussels

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Cheapest flights from California to Brussels
Explore the most affordable flight options available from California to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.