Paris ORY to Eiffel Tower?

There's a RER connection between Orly and Tour Eiffel -
Paris RER map
http://www.aparisguide.com/maps/rer.htm


here's the Paris Metro Stations - click on a name and see it on the Metro map
http://subway.umka.org/stations-paris.html

Tour Eiffel - view from the stop
https://www.youtube.com/results?search_query=view+from+the+top+of+the+eiffel+tower

Eiffel-Tower

the black swallower can swallow fish twice it's size. it's jaws have hinges that enable it to open wide.

RER B go to St-Michel Notre-Dame, next,by RER C arrive Champ de Mars Tour Eiffel.

Ask your hotel to organise a minibus transport for you, it's usually a set rate per person per trip, and would vary according to the distance to be taken. It will work out cheaper than a taxi, and it's quite possible that you will share the transport with others going in the same direction. You'll be met at the Arrivals Hall in the airport (someone will have a sign with your name on it) and brought to your accommodation, so no worry about trains or anything like that, you can just sit back and enjoy the sights. The hotel will need your flight number and ETA so that the contractor/driver will know when to meet you.

You will arrive at the older airport ORLY - Most flights from North America arrive at CDG (Charles de Gaulle) From Orly (Ory) most travelers use the G-7 taxi company (oldest and largest in France) Fare should be just over 45 euros 50 dollars. Their phone in Paris is 331 41 27 66 99
they have an affiliated company called WECAB their phone is 331 41 27 66 77. They charge a bit more than half but ask if you will share a ride. Don't ever use a gypsy cab and most never use UBER. BTW the Pullman Eiffel is quite a good hotel Part of the Accor group

These are the instructions from the hotel website:

"From Paris airport - Charles de Gaulle, take the RER B in the direction of Robinson/Saint-Rémy-les-Chevreuses. Change at Saint-Michel - Notre-Dame and take the RER C, in the direction of Versailles/Saint-Quentin in Yvelines/Pontoise/Argenteuil. Get off at the Champs de Mars/Tour Eiffel stop then follow Avenue Suffren 109 yds."

Personally, I would take a taxi from the airport the cost will be around €50.

EDIT: Sorry, just realised you are flying into Paris Orly. From there the taxi will cost €30 to €35.