score:5
The delivery option mentioned in comments sounds doubtful. As a French, between the notorious lack of service in Paris (and most of France anyway), the language issue, and the lack of a fixed address, I don't see an Interflora driver even bothering... I've used Interflora, while living abroad, to send flowers to my mom, to her home, and getting them to guarantee a delivery on the right day (her birthday), even planning in advance, was hard enough.
Since you have four hours, I would recommend this:
Upvote:1
UPDATE:
Here is what I actually did: I just bought it from my starting city before I reached airport, asked the Trader Joe employee to cut the stems & make the bunch shorter; just put it into the carry on suitcase. On arrival after about 7 hours, they were fine.
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I have accepted @dda's answer, and here in this I am just documenting what I found from Google, based on his suggestions:
Total Time (Minutes):
Total About 3 Hours At Most. It will be kind of race from the moment I am landside at ORY.
Also, the easiest no frills but unromantic option will be to not to do this & just Board Line 03, Direct from ORY to CDG (1 Hour 20 Minutes).
References:
1. Paris Le-Bus http://www.lebusdirect.com/en/