| Cheap Flights: Austin to Paris $416-$444 r/t â Delta / American Airlines / British Airways Delta, American Airlines, and British Airways have round-trip flights from Austin (AUS) to Paris (CDG) for $416-$444 with a connection. Flights in February, April, May, August, September, October, and November. Note: Carry-on bag is allowed for free on American Airlines and British Airways. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate. We donât charge a subscription fee. All of our deal notifications are available for FREE via Instagram, Facebook, Twitter, our Webpage, and our E-mail list. If you are paying someone a subscription fee for our content, you are being ripped off. Read More Cheap Flights: Austin to Paris $416-$444 r/t â Delta / American Airlines / British Airways . | 