Cheap Flights from Brussels to San Diego from $556

Frequently Asked Questions

• What are the cheapest flights from Brussels to San Diego (BRU-SAN)?

  Based on Trip.com data, Air Transat offers one-way fares as low as $556 on Cheapest nonstop routes (e.g. BRU to SAN on Sat, May 30), while KLM offers Cheapest nonstop round-trips from $889 departing on Sat, May 23 and returning on Thu, May 28.

• Which airlines offer flights from Brussels to San Diego?

  At the moment, several airlines serve connecting flights from Brussels to San Diego, including: British Airways Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.

• When is the best time to book flights from Brussels to San Diego?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Brussels to San Diego is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Brussels to San Diego?

  To find best deals on flights from Brussels to San Diego, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, May 30, with one-way flights priced at just $556.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Air Transat.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for San Diego travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Brussels (BRU) to San Diego (SAN) the cheapest?

  The cheapest months to fly from Brussels to San Diego is December, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Brussels to San Diego on?

  After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Brussels to San Diego on May 29, 2026 with Air Transat, with prices starting at $556.

• Which airports can I fly to for San Diego from Brussels?

  You can land at any one of the following hubs in San Diego, with Brussels Airport to San Diego International Airport (BRU-SAN) is by far the most common option on this route: San Diego International Airport (SAN) McClellan-Palomar Airport (CLD) Marine Corps Air Station Miramar (NKX).

• Is there any time difference between Brussels and San Diego?

  The time difference between San Diego and Brussels is 9h.

• How do I change or cancel my ticket from Brussels to San Diego?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.