The cheapest month to fly from Brussels to Madrid is September, with fares from €48. The most expensive period is August, when prices can reach €176+ — a difference of €128 per ticket. Booking on a Wednesday and travelling off-peak can save you significantly on the 1,317 km BRU–MAD sector.
Based on 25 real fares found on this route over the last 12 months, showing the cheapest seen in each of 5 months. Updated 30 Aug 2026.
| Month | From price | vs cheapest | Verdict |
|---|---|---|---|
| August | €176 | +€128 | Expensive |
| September | €48 | Cheapest | Best value |
| October | €89 | +€41 | Average |
| November | €111 | +€63 | Average |
| December | €135 | +€87 | Average |
On the Brussels–Madrid route, Wednesdays are typically the cheapest day to fly, while Thursdays are most expensive. Mid-week departures (Tuesday, Wednesday) save an average of 15–25% compared to weekend travel.
Top-rated tours and experiences in Madrid, ranked by traveller rating. Prices are per person and change with date and group size.
Nightly rates in Madrid for a sample two-night stay for two adults from 29 Sep 2026, cheapest first. Rates move with your dates — check availability for a live quote.
| Mode | Fastest | From |
|---|---|---|
| Train | 21h 32m | £357.12 |
| Bus | 20h 35m | £47.66 |
| Flight | 2h 25m | £69.67 |
| Airline | Code | Role |
|---|---|---|
| Brussels Airlines | SN | Operates |
| Iberia | IB | Operates |
| Departs | Booking site | Stops | Duration | From |
|---|---|---|---|---|
| Wed 30 Sep | Kiwi.com | Direct | 4h 45m | €48 |
| Sun 20 Sep | Kiwi.com | Direct | 4h 45m | €78 |
| Tue 15 Sep | City.Travel | Direct | 4h 40m | €85 |
| Tue 20 Oct | Kiwi.com | Direct | 4h 40m | €89 |
| Tue 15 Sep | Multiple | Direct | — | €93 |
| Mon 7 Sep | Kiwi.com | Direct | 4h 45m | €99 |
| Tue 15 Sep | Kiwi.com | Direct | 4h 45m | €101 |
| Fri 2 Oct | Flightnetwork | 1 stop | 48h 35m | €107 |
| Sat 21 Nov | Biletix | Direct | 4h 45m | €111 |
| Wed 11 Nov | Kiwi.com | 1 stop | 10h 50m | €112 |
