Noctilien N143 night busorExpress bus 9517 to Saint-Denis-Pleyel?
The short answer
These do not go to the same place, so price is not the comparison. The Noctilien N143 night bus reaches Gare du Nord and Châtelet–Les Halles, on the right bank; the Express bus 9517 to Saint-Denis-Pleyel does not. Saint-Denis-Pleyel is outside Paris. It is the northern end of metro 14, which crosses the center to Châtelet, Gare de Lyon and beyond, on a second EUR 2.55 ticket.
The Express bus 9517 to Saint-Denis-Pleyel is quicker: 42 min against 45 min. The Noctilien N143 night bus varies between 42 and 55 minutes.
Noctilien N143 night bus: 00:12–04:42. Express bus 9517 to Saint-Denis-Pleyel: 05:20–00:15.
Priced against each other
Whole-party totals · adult fares
What each costs for the whole party, in EUR. The cheaper of the two is marked on every row.
Travelers
Noctilien N143 night bus
Express bus 9517 to Saint-Denis-Pleyel
Difference
1
€2.05
€2.05
same
2
€4.10
€4.10
same
3
€6.15
€6.15
same
4
€8.20
€8.20
same
5
€10.25
€10.25
same
6
€12.30
€12.30
same
7
€14.35
€14.35
same
8
€16.40
€16.40
same
Side by side
Where each one leaves you
bus · Noctilien, run for Île-de-France MobilitésNoctilien N143 night bus
From
Roissypôle bus station (stand B2), then Terminal 1 departures level, then the Terminal 2 station stop
To
Gare du Nord in 42 minutes from Terminal 2, Gare de l'Est in 45, via Porte de la Chapelle
Luggage
An ordinary bus with no hold; bags travel with you.
Runs
00:12–04:42
Journey
42–55 min
It only exists between 00:12 and 04:42. Outside those hours there is no N143, and the RER B (04:50 to 23:50) is what runs instead.
There is no night gap at this airport: the last N143 leaves Terminal 2 at 04:42 and the first RER B at 04:50. The longest wait for anything to Paris, all night, is the 30-minute headway.
Do not board it with the EUR 14 airport ticket; that ticket is not valid on any bus. Buy a EUR 2.05 Bus-Tram ticket, or pay the driver EUR 2.50.
The N140 also runs, at 01:10, 02:10 and 03:10 from Terminal 2, for the same EUR 2.05 — and takes 84 minutes by way of Sevran, Aulnay and Pantin. Take the N143.
On works evenings when the RER B stops at 22:49, the RER B replacement bus (22:40 to 00:10 from Roissypôle) fills the hour before the first N143.
bus · Île-de-France Mobilités express line, the Roissybus replacementExpress bus 9517 to Saint-Denis-Pleyel
From
Roissypôle bus station, stand E1, by the Terminal 3 / CDG 1 RER station; from Terminals 1 and 2 take the free CDGVAL to Terminal 3
To
Saint-Denis-Pleyel, north of Paris, for metro lines 14 and 13 and RER D
Luggage
The same coaches the Roissybus used, with luggage racks.
Runs
05:20–00:15
Journey
32–60 min
This is IDFM's named replacement for the Roissybus, and it does not go to Paris: it ends at Saint-Denis-Pleyel and carries on to Argenteuil. Budget EUR 2.05 for the bus plus EUR 2.55 for metro 14 and a change.
IDFM advertises "un trajet direct en 30 minutes". Its own timetable schedules 32 to 60 minutes from Roissypôle to Pleyel, typically about 42, because the bus calls at La Plaine and Stade de France on the way.
It leaves from Roissypôle, not from the terminals. From Terminal 2 that is nine minutes on the CDGVAL first; from Terminal 1, four.
The EUR 14 airport ticket is not valid on it. Neither is the EUR 2.55 metro ticket you will need afterwards.
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