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Mons to Saint-Omer trains

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Trip Overview

The average train between Mons and Saint-Omer takes 3h 15m and the fastest train takes 2h 13m. The train service runs several times per day from Mons to Saint-Omer. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

3h 15m
Duration
134 km
Distance
€30
Average price
5 times a day
Frequency

Mons to Saint-Omer train times

Trains run 5 times a day between Mons and Saint-Omer. The earliest departure is at 6:46 AM in the morning, and the last departure from Mons is at 8:46 PM which arrives into Saint-Omer at 7:00 AM. All services require a transfer, and take on average 3h 15m. The schedules shown below are for the next available departures.

Departing Monday, November 9, 2026

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    Belgian Railways (NMBS/SNCB)Société Nationale des Chemins de fer Français (SNCF)2h 13m • 1 change
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    Arrives next day

    Belgian Railways (NMBS/SNCB)Société Nationale des Chemins de fer Français (SNCF)10h 14m • 1 change

Departing Tuesday, November 10, 2026

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    Belgian Railways (NMBS/SNCB)Société Nationale des Chemins de fer Français (SNCF)2h 14m • 1 change
  •  → 

    Belgian Railways (NMBS/SNCB)Société Nationale des Chemins de fer Français (SNCF)2h 14m • 1 change
  •  → 

    Belgian Railways (NMBS/SNCB)Société Nationale des Chemins de fer Français (SNCF)2h 14m • 1 change
  •  → 

    Belgian Railways (NMBS/SNCB)Société Nationale des Chemins de fer Français (SNCF)2h 14m • 1 change
  • Show more

Departing Thursday, November 12, 2026

  •  → 

    Belgian Railways (NMBS/SNCB)Société Nationale des Chemins de fer Français (SNCF)2h 14m • 1 change
  •  → 

    Belgian Railways (NMBS/SNCB)Société Nationale des Chemins de fer Français (SNCF)2h 14m • 1 change
  •  → 

    Belgian Railways (NMBS/SNCB)Société Nationale des Chemins de fer Français (SNCF)2h 14m • 1 change
  •  → 

    Belgian Railways (NMBS/SNCB)Société Nationale des Chemins de fer Français (SNCF)2h 14m • 1 change
  • Show more

Departing Friday, November 13, 2026

  •  → 

    Belgian Railways (NMBS/SNCB)Société Nationale des Chemins de fer Français (SNCF)2h 14m • 1 change
  •  → 

    Belgian Railways (NMBS/SNCB)Société Nationale des Chemins de fer Français (SNCF)2h 14m • 1 change
  •  → 

    Belgian Railways (NMBS/SNCB)Société Nationale des Chemins de fer Français (SNCF)2h 14m • 1 change
  •  → 

    Belgian Railways (NMBS/SNCB)Société Nationale des Chemins de fer Français (SNCF)2h 14m • 1 change
  • Show more

Frequently asked questions

Want to know about travelling from Mons to Saint-Omer? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.

Map of how to get from Mons to Saint-Omer.ExpandLaunch map view
  • Distance: 133.9 km
  • Duration: 3h 15m

What companies run services between Mons, Belgium and Saint-Omer, Hauts-de-France, France?

You can take a train from Mons to St Omer via Lille Flandres in around 2h 17m.

Operators