On your own: London Gatwick → Brussels
For a trip of about 14 days in November 2026, the best price we have seen is $429 CAD for Montreal → London Gatwick, plus $646 CAD for Brussels → Montreal, $1075 CAD in total.
By road, expect about 396 km (about 5 h of driving) between London Gatwick and Brussels.
Open jaw or round trip, month by month: London Gatwick and Brussels
In our scans, the open jaw between London Gatwick and Brussels costs $342 more on average (45%) than the best round trip to either city. The gap is smallest in November ($326 more): it is the price of landing in one city and flying home from another.
| Month | Open jaw | London Gatwick round trip | Brussels round trip | Versus best round trip |
|---|---|---|---|---|
| November | $1075 | $897 | $749 | $326 more |
| December | $1159 | $932 | $801 | $358 more |
| January | $1091 | $832 | $762 | $329 more |
| February | $1102 | $832 | $762 | $340 more |
| March | $1102 | $918 | $762 | $340 more |
| April | $1112 | $833 | $752 | $360 more |
For each month: the best open-jaw price (two one-way flights, stays of 14 to 14 days) and the best round trip to each of the two cities (stays of 10 to 18 days, depending on the lengths we scan). Only our latest scans are used.
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Frequently asked questions: London Gatwick → Brussels
What is an open-jaw flight?
An open-jaw (or multi-city) flight arrives in one city and leaves from another. Here you arrive in London Gatwick and fly home from Brussels instead of returning to where you landed.
How much is a flight from Montreal into London Gatwick, home from Brussels?
For about 14 days, the best price we have seen is $1075 CAD: $429 CAD to fly into London Gatwick and $646 CAD to fly home from Brussels.
How do I get from London Gatwick to Brussels?
By road it is about 396 km (about 5 h of driving) from London Gatwick to Brussels. Train, bus or a rental car are the usual options; that cost is not included in the prices shown.
Are these prices guaranteed?
No. They are the best prices from our latest scan and they change often. Check the final price on Google Flights before you book.