Cheap flights from St. Louis to Brussels from £287
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Not happy with the results? Try some of our useful filters
Search by stops
- Nonstop
- Up to 1 stop
- Up to 2 stops
Search by carrier
Search by price
Search by departure date
How much do flights to Brussels cost?
Cheapest one-way trip | £287 |
|---|---|
Cheapest round-trip | £811 |
Average round-trip | £959 |
Includes rare itinerary | |
Most popular airline | Frontier Airlines |
Getting from Brussels airport to the city center
Fastest option: Airport Express train. Best value: STIB bus lines and regional trains.
Transport Option | Typical time | Typical cost | Frequency | Best for |
|---|---|---|---|---|
17-21 min | €12 – €14; standard single fare | every 10–15 min (traffic dependent) | fastest to city center | |
30-45 min | €3 – €4; STIB single ticket | every 20–30 min (traffic dependent) | budget travelers | |
25-40 min | €3 – €4; STIB single ticket | every 20–30 min (traffic dependent) | north Brussels destinations | |
20-45 min | €45 – €55; metered; varies by traffic | on-demand 24/7 (traffic dependent) | door-to-door convenience | |
20-45 min | €30 – €50; varies with demand | on-demand 24/7 (traffic dependent) | app-based booking | |
20-40 min | €60 – €90; pre-booked fixed rate | pre-booked (traffic dependent) | groups or business travel | |
20-45 min | €35 – €80; per day; varies by provider | on-demand (traffic dependent) | flexibility and onward travel |
Notes:
- Prices in EUR; table created in 2025 and subject to change.
- The Airport Express train departs from the airport's underground station (Level -1).
- STIB tickets can be purchased at the airport or via the STIB-MIVB app.
- Taxi fares are metered; ride-hailing prices vary with demand. Road traffic can significantly affect journey times.
- We recommend checking official transport websites for your travel planning.
Updated: December 2025
Key info about flying to Brussels
Check-in for a flight from St. Louis to Brussels
| Name | Carrier code | IATA Code | Passport needed during booking |
|---|---|---|---|
| Frontier Airlines | FFT | F9 | No |
| Ryanair | RYR | FR | No |
| WestJet | WJA | WS | No |
| Brussels Airlines | BEL | SN | No |
| TUI Airways | TOM | BY | Yes |
Online check-in is not available for these airlines.
Weather in Brussels
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | 5°C | 1°C |
| February | 7°C | 2°C |
| March | 11°C | 3°C |
| April | 14°C | 5°C |
| May | 17°C | 8°C |
| June | 21°C | 12°C |
| July | 23°C | 14°C |
| August | 23°C | 14°C |
| September | 20°C | 11°C |
| October | 15°C | 8°C |
| November | 10°C | 5°C |
| December | 6°C | 2°C |
14 day forecast
Frequently asked questions
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