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Find cheap flights from San Francisco to Belgium from $257

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to Belgium departing on 10/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Mon 7/8
Mon 7/15

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Best Belgium Flight Deals

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

Brussels
Brussels1 stop$827

Good to know

Low season

February

High season

December

Cheapest flight

$257
Best time to beat the crowds with an average 28% drop in price.
Most popular time to fly with an average 31% increase in price.
Flight from San Francisco to Charleroi Brussels

FAQs - booking Belgium flights

  • How does KAYAK find such low prices on flights from San Francisco to Belgium?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco to Belgium.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to Belgium?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belgium from San Francisco is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Francisco to Belgium?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Belgium with an airline and back to San Francisco with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco to Belgium?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belgium from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding cheap flights to Belgium

  • Morning departure is around 29% cheaper than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

Top 5 airlines serving from San Francisco to Belgium

Need help choosing which airline to fly with from San Francisco to Belgium? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
Scandinavian AirlinesOverall score based on 1386 reviews
6.7Food
7.3Comfort
7.7Boarding
8.0Crew
6.7Entertainment
Airline reviews

Other than a delay that had nothing to do with the staff, it was a very pleasant experience.

10.0 ExcellentMike, May 2024CPH - FCO
Read more about Scandinavian Airlines reviews

Other than a delay that had nothing to do with the staff, it was a very pleasant experience.

SAS is the representation of the Scandinavian minimalism, which I like. I wished they had a more relaxed policy on free water distribution beyond one bottle (500 ml) per person and two drinks, including water, per overseas flight.

Much better, not their fault but my plane was so delayed causing me to have to take this airline rather than my earlier connecting flight

TERRIBLE! Staff was unfriendly, rude, and demeaning. One flight attendant touched me to grab the complimentary blanket off my neck because I couldn't take it home, while a bunch of other people took theirs home. I have never been so ill treated. I am not happy at all. And flight was delayed, no information until short notice for everything. Lost an entire day at my destination. I expect a full refund for that experience. Never will fly with them EVER again

My return flight has been changed to JFK from EWR without any notice or reason

They lost my luggage. Tromso in winter without warm clothes is not fun.

Flight was delayed 3 hours. Pilot cancelled flight under 4 people volunteered to change their seats to economy from business class.

Last minute cancelation, though a substitute flight was found I could not pick my meal or seat. The hotel offered didn't have working air control or shower.

My seat was not the one I paid for, the crew was very curt, and the cabin was extremely warm.

Old plane with terrible business class seats - good food and service. Boarding was a joke with business class boarding last.

Horrible, the flights kept delaying, so it is obvious that we won't be able to make it to the next connection. No easier/real agent on site to help you figure this out. UA agent on other counters refuse to assist you and direct us to use the QR code/call customer service. So inefficient and poor. While technology seems convenient, but it's not the best interest/experience for customers need help while there is active issue need assistance.

Food is very bad and entertint not too many options ... flight attendet service is not good

Flight was delayed due to the late arrival of the catering truck, which is quite unacceptable. There was a beverage service, but no pretzel, or cookie, or nuts were served in coach.

Aisle chair was good and liked the foot bar preventing you from putting your foot in the isle, The breakfast on this international flight to Zurich was horrible (Europeans, specially, used to good food) may make this a dealbreaker for booking with United Airlines again. I agreed with my Spanish fellow passenger.

On time take off…US cabins look tired and need of refresh!

Backpack should NOT allowed put in the flight bin , only put it under the seat. I can't find space put my carry on luggage!!! and I pay for it ! that was very bad experience

Hated every minute of it. This flight should have only taken 1.5hrs but was delayed over 10hours. Now I am being told I cannot be compensated or refunded my ticket price or extra leg room, which I purchased but did not receive, because the airline is throwing the blame on the 3rd party I purchased tickets through and 3rd party putting the blame on airline. No one wants to help. They received their money and that's all they care about. Im going on 3 days of still trying to get to my final destination, had to cancel car rental, car insurance and hotel. Currently staying in airport until hotels open up. Thank you Lufthansa, Kayak, Underpricer and United for making this trip the worst ever.

Crew was great and did their best to make us comfortable and captain came out at the beginning to announce why the flight was delayed, weather situation up ahead, and kept us updated throughout the flight.

United WiFi is consistently unusable (it can take 10 mins to load a single web page). If you need Wifi to do work, be prepared to lose half a day of productivity.

Awful. I got stuck next to a person carrying a dog and behind someone with a dog. People need to board these dogs downstairs. The cabin is crowded enough with your pets

I missed my connecting flight due to long lines at security and immigration. Need improvements

Been flying on various airlines, all over the world, for 50+ years. The food on Brussels Air was easily the worst I ever endured.

I felt the overall quality of the plane and food service was less than that of their partner airlines, United. An example was wine was served in paper cups in premium economy class. There was no real silverware, napkins or a welcome kit other than a pillow and blanket.

Boarding time was a bit slow causing the flight to not leave right at 5 pm,but other than that it was fine.

I like the frequent mails we get when there is an update. Please keep it up

I have traveled to probably over a hundred locations worldwide, but had only one mixup of airport in Shanghai. Until Iceland and Stockholm. Reykjavik has 2 airports, Stockholm 4 (!). Please indicate clearly when a departure flight is scheduled from an aiport other than the international aiport. That would greatly reduce stress. Thanks

in the front - higher class of business - sitting in the same seat (with one empty in the middle) is not acceptable any more. need the business class to be as we paid for.

More than one hour detail with no explanation and no compensation

my husband's monitor did not work. there was a visibly ill family in my husband's row.

we had to unexpectedly check a bag, the flight was late getting in

The flight got us safely from point a to point b and on time. For a transatlantic flight that isnt nothing. Flight crew was kind and professional. The seats are super uncomfortable (worse than domestic budget airlines) and the cabin was DIRTY.

Great service on the plane and by ground staff. great prices. I was able to change seats on the plane. The allocated seats cannot be changed when checkin in online. They have to be done at the airport if you check in at the airport or on the plane by asking a stewardess / steward.

I fly to the USA every 6wks on Ave and 99% of the time I fly Aer Lingus. If I fly BA I’m always disappointed. My only criticism is the food. I’m vegan and over the last year it’s got slightly better these last couple of flights but on the whole it’s not good! Salad and fruit salad for breakfast and that’s also the starter and desert for the lunch/dinner and the main is usually rice with fried veg 😳the pasta is pretty good though. That’s been the last 2 meals…. Everything else is fantastic.

The flight was half full and I presume that the next few days are even less busy not sure why they are still charging a premium to change a flight.

Are Longus was fine. I booked thru Kayak and was unable to get my business class seat early. Sat next to galley. Crew forgot to wake me for breakfast.

I loved how they arrange boarding (starting with people seated in back and moving to the front). Flight crew was very polite and welcoming. Seating was ok, I felt like there was enough leg space however it is noticeable when the passenger in front of you sets their seat back.

Nice to be on a flight that wasn't fully booked so there were only two of us in the three seat row.

The only problem was there are games on the entertaiment system. The guy behind me played poker the entire time and poking the back of my seat. I hope they remove these.

Great travel. Wonderful experience. Hope to do it again in the near future. God willing

Aer Lingus doesn't have plug ins for devices at each seat. They also did not give me a dairy free meal as requested and confirmed by staff. It was as if I had not requested anything. Otherwise, they were great!

Poor, we had 1 hour to grab our checked luggage, go through customs, recheck bags and run across terminals to make our United flight. Poorly planned connections.

Staff didn’t care in business class. Closed the door on my mom while she was on the jetbridge and flight attendant told me she would make it from the connecting flight. They lied. My luggage was damaged on arrival. No success in filing damage claim.

Overall, the flight was comfortable without any serious issues. Transit through Frankfurt airport was a little confusing, but not too difficult if you follow the signs

Staff disappeared after dinner service until breakfast, no help with beds, no help running to our gate to catch connection cause flight was late, our luggage didn’t make it, took over 24 hours to get luggage to hotel, no compensation!!

Second time I took this flight, and they lost my luggage both times. Waiting for my suitcase now, last time it took two days to get it back.

Checked in is easy and it was a smooth flight from LAX to Munich

It was a busy flight and all the crew were very helpful and gracious

I wish the flight attendant was a little bit kinder

I always try to book flights that don’t charge for baggage. Yet I was charged $75 for this flight.

Used to love Lufthansa, but Rowe are too close together in Economy and passengers are allowed to recline their seats so far back it is impossible for those behind them to even reach for carry-on essentials during flight - except for meal service when flight attendants ask for seat backs to be raised, we can’t sleep on planes so this flight was most uncomfortable ever! Rod Rose

Book cheap flights from San Francisco to Belgium

Recent round-trip flight deals

8/4Sun
1 stop
32h 05mSFO-CRL
8/17Sat
2 stops
53h 15mCRL-SFO
$827
8/5Mon
1 stopITA Airways
17h 15mSFO-BRU
8/19Mon
2 stopsITA Airways
30h 40mBRU-SFO
$857
7/6Sat
1 stopTAP AIR PORTUGAL
19h 15mSFO-BRU
7/11Thu
1 stopTAP AIR PORTUGAL
17h 35mBRU-SFO
$860
7/1Mon
1 stopAer Lingus
30h 55mSFO-BRU
8/21Wed
1 stopAer Lingus
14h 30mBRU-SFO
$921
8/23Fri
1 stopUnited Airlines
17h 40mSFO-BRU
9/3Tue
1 stopUnited Airlines
20h 31mBRU-SFO
$945
6/30Sun
1 stopUnited Airlines
23h 48mSFO-BRU
8/21Wed
1 stopUnited Airlines
21h 52mBRU-SFO
$951
8/23Fri
2 stopsBritish Airways
17h 10mSFO-BRU
9/3Tue
1 stopBritish Airways
26h 30mBRU-SFO
$967
8/23Fri
2 stopsBritish Airways
17h 10mSFO-BRU
9/3Tue
1 stopBritish Airways
26h 30mBRU-SFO
$971
7/17Wed
1 stopBrussels Airlines
15h 30mSFO-BRU
7/27Sat
2 stopsBrussels Airlines
23h 31mBRU-SFO
$1,216
7/17Wed
2 stopsBrussels Airlines
18h 55mSFO-BRU
7/27Sat
2 stopsBrussels Airlines
23h 31mBRU-SFO
$1,232

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Recent one-way flight deals

10/17Thu
2 stops
18h 20mSFO-CRL
$257
10/17Thu
1 stop
15h 35mSFO-CRL
$301
7/24Wed
3 stops
32h 54mSFO-CRL
$371
7/24Wed
3 stops
56h 40mSFO-BRU
$383
6/23Sun
3 stops
40h 48mSFO-CRL
$401
7/1Mon
1 stopAer Lingus
30h 55mSFO-BRU
$602
6/28Fri
2 stopsScandinavian Airlines
30h 40mSFO-BRU
$782
7/6Sat
1 stopUnited Airlines
23h 48mSFO-BRU
$834
7/1Mon
2 stopsBritish Airways
18h 50mSFO-BRU
$836
6/30Sun
1 stopUnited Airlines
23h 48mSFO-BRU
$841

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Last minute flights from San Francisco to Belgium

Last minute flight, train and bus deals

6/10Mon
multi-stopBritish Airways
13h 45mSFO-BRU
6/17Mon
multi-stopBritish Airways
26h 15mBRU-SFO
$991
6/10Mon
multi-stopDelta
26h 15mSFO-BRU
6/21Fri
multi-stopDelta
23h 47mBRU-SFO
$995
6/10Mon
multi-stopBritish Airways
18h 30mSFO-BRU
6/17Mon
multi-stopBritish Airways
33h 50mBRU-SFO
$1,013
6/9Sun
multi-stopAir Canada
20h 10mSFO-BRU
6/17Mon
multi-stopAir Canada
19h 02mBRU-SFO
$1,028
6/11Tue
multi-stopKLM
14h 46mSFO-BRU
7/4Thu
multi-stopKLM
23h 47mBRU-SFO
$1,151
6/10Mon
multi-stop
30h 56mSFO-BRU
6/17Mon
multi-stop
24h 55mBRU-SFO
$1,484
6/9Sun
multi-stop
20h 10mSFO-BRU
6/17Mon
multi-stop
22h 42mBRU-SFO
$1,521
6/10Mon
multi-stopUnited Airlines
22h 50mSFO-BRU
7/4Thu
multi-stopUnited Airlines
19h 03mBRU-SFO
$1,588
6/10Mon
multi-stopAir Canada
20h 10mSFO-BRU
7/4Thu
multi-stopAir Canada
17h 58mBRU-SFO
$1,606
6/10Mon
multi-stopUnited Airlines
22h 50mSFO-BRU
7/4Thu
multi-stopUnited Airlines
35h 45mBRU-SFO
$1,649

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San Francisco - Belgium Flights

Departure:

San Francisco (SFO)United States

Return flight deals:

Belgium - San Francisco

Cabin classes: