We are tentatively planning a March trip to Italy and France. We are wondering about using air to travel from Rome to Paris instead of trains. Is this possible for Americans who are fully vaccinated?
Since there are flights between these cities, then yes, it is possible. However you will need to stay au courant with any additional testing requirements. You may need a PCR test before moving between countries. Or not. Who knows what the situation will be in 3 months?
Unless you're interested in any intermediate stops, air is certainly the right way to get between Rome and Paris. It will be a "domestic" flight with no immigration or customs process, but as noted above there may well be Covid-related rules to follow. At a minimum I'd expect the airline to want to see your CDC card or other vax proof before boarding you.
Try www.skyscanner.com for finding a “budget” European flight that might be cheaper or more flexible than building this leg into your multi-city, trans-Atlantic flight plan. Paris-Rome by train takes 11 hours and is more expensive.
Since there are flights between these cities, then yes, it is
possible.
I would not assume in the current situation that just because there are flights, it is possible to use them.
We took Air France from Paris to Florence a couple of months ago. Not sure they fly to Rome but it was super easy.
The Milan to Paris High Speed Train starts this week on Trenitalia again! 6 hours, round trip twice a day.