Flights from Brussels to Barcelona

The cheapest round-trip from Brussels to Barcelona is about 35 EUR, usually in June 2026; April 2027 is priciest, so booking the low month saves around 65 EUR (~65%). Typical fare ~63 EUR, from 330 priced fares. Flightmussy live data, updated 2026-06-13.

Cheap flights from Brussels (BRU/CRL) to Barcelona (BCN/GRO/REU). Free, no signup, no ads, no tracking. Compare every airline across 12 months of fares on one heatmap — including low-cost carriers Google Flights often deprioritises.

Fare insights: Brussels to Barcelona

Cheapest round-trip seen: 35 EUR, usually around June 2026. Typical fare ~63 EUR. Across the year prices range roughly 35–100 EUR — about 65% cheaper in the low season than the peak (April 2027).

Based on Flightmussy's live 12-month fare data; prices last updated 2026-06-13. Prices change constantly — search live for current fares.

Cheapest fare by month: Brussels to Barcelona

The lowest round-trip fare we found for each month over the coming year — low season versus peak at a glance. June 2026 is cheapest; April 2027 is priciest.

Jun 202635 EUR
Jul 202692 EUR
Aug 202649 EUR
Sep 202647 EUR
Oct 202656 EUR
Nov 202665 EUR
Dec 202660 EUR
Jan 202757 EUR
Feb 202765 EUR
Mar 202765 EUR
Apr 2027100 EUR
May 2027100 EUR

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Frequently asked questions

What is the cheapest month to fly from Brussels to Barcelona?
The cheapest round-trip fares from Brussels to Barcelona start around 35 EUR and are typically lowest in June 2026; April 2027 is the most expensive. Fares swing about 65% across the year. (Flightmussy live data, updated 2026-06-13.)
How much does a flight from Brussels to Barcelona typically cost?
Typical round-trip is ~63 EUR; across the year fares run 35–100 EUR, cheapest 35 EUR in June 2026. Based on 330 priced fares, updated 2026-06-13.
How much can I save flying Brussels to Barcelona in the cheapest month?
Booking the June 2026 low instead of the April 2027 peak saves about 65 EUR (~65%) per round-trip. Updated 2026-06-13.
Which airlines fly from Brussels to Barcelona?
Flightmussy compares every carrier serving Brussels → Barcelona, including budget airlines like Ryanair, easyJet, Wizz Air and AirAsia that Google Flights often deprioritises.
Do I need to sign up to search flights from Brussels to Barcelona?
No. Flightmussy is free and requires no account, no email, and no credit card. Search, compare, and click through to book directly with the airline or booking partner.

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About Flightmussy

Flightmussy is a free, independent flight search for travellers anywhere in the world. No signup, no ads, no tracking — email is optional, only for route price alerts. Compare fares across every airline and see 12 months of prices at a glance, including the low-cost carriers Google Flights often buries. Book directly with the airline or a trusted partner — we never add a markup.

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Flightmussy runs its own 12-month forward fare scans across thousands of routes worldwide and publishes the data openly. Read the cheapest month to fly almost anywhere → — a global study of when fares are lowest — or browse the cheapest destinations from a city:

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