I have to travel from Tijuana (Mexico) to Brussels (Belgium) on a business trip. The flight is operated by AirFrance and goes:

  • from Tijuana to Mexico City (Aeromexico);
  • from Mexico City to Paris (AirFrance);
  • from Paris to Brussels by train (SNCF).

The trip to go back to Tijuana is the same in the reverse order:

  • from Brussels to Paris by train (SNCF);
  • from Paris to Mexico City (AirFrance);
  • from Mexico City to Tijuana (Aeromexico).

The problem

Near the end of my business trip, I will already be in Paris. Therefore, I was planning on skipping the train part that goes from Brussels to Paris. Therefore I have the following questions:

  • Will I still be able to check-in at Charles-de-Gaulle airport without issues for the plane part?
  • Will I be charged with penalty fees for not checking-in at the train station in Brussels?
  • Could I not simply check-in with the Air France webpage the day before and show-up at the airport and skip the train?
  • Will I be denied to board the plane at the airport?
  • What possible issues will I be facing?
  • 1
    Related: Skipping a Lufthansa train connection
    – JonathanReez
    May 23 at 23:07
  • 2
    FYI I would encourage you to NOT buy that ticket. it is extremely inconvenient changing from CDG airport to the relevant train station (Gare du Nord). It's very easy to find flights that end in Brussels.
    – Fattie
    May 24 at 8:38
  • 3
  • 1
    Since you'll already be in Paris, have your company's travel office arrange your flight home from Paris, skipping the train from Brussels (since it's likely you'll have taken one earlier). It'll also save them the cost of the train trip back to Brussels. Maybe just book round trip Tijuana-Paris, with a separate Paris-Brussels train trip on the actual days (return leg different) you need it.
    – FreeMan
    May 24 at 16:11
  • @FreeMan What you propose would be the obvious way to go and I have already looked into it. Unfortunately the ticket was booked a while ago and changing it now substantially increases the cost.
    – Meclassic
    May 25 at 18:48

1 Answer 1


Accoriding to Air France, you can't skip the train journey

If you are traveling in the order of "train + plane", you must complete your train trip in order for your flight ticket to be valid.

Your ticket will simply be voided with no recourse as you would likely be counted as a no-show for the whole journey.

To add to the answer :

This train (CDG-Brussels) is the only France-Belgium train run by SNCF (French national rail operator) and not by Thalys (the rail operator of all IHST (International high-speed train) services between France and Belgium)) due to a partnership with Air France.

It is treated as being a Air France operated service so all the usual procedures for a flight are in place including a separate terminal at Brussels.

As a business traveler you may have a flexible ticket that would allow you to cancel the train journey though.

  • 3
    How would the airline know you've skipped the train?
    – JonathanReez
    May 23 at 23:06
  • 8
    @JonathanReez, it's in the answer (being a Air France operated service so all the usual procedures for a flight are in-place including a separate terminal at Bruxelles); you check-in at the train terminal.
    – Ian W
    May 23 at 23:14
  • 8
    This is Air France specific btw. In Germany for example there are no entry controls for trains, so they can not verify if you skipped the train
    – SirHawrk
    May 24 at 6:18
  • 7
    @SirHawrk this is not entirely true. I had a similar itinerary booked with DB/Lufthansa and the reserved train seats were in a separated part of the train where a conductor took the small piece from our tickets.
    – prehfeldt
    May 24 at 8:00
  • 4
    @infinitezero The conductor probably also scanned that part into the system.
    – GACy20
    May 24 at 8:11

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