| Cheap Flights: Austin and San Antonio to Europe $391-$599 r/t [February-April] â Star Alliance / Oneworld / SkyTeam Star Alliance, SkyTeam, and Oneworld carriers have flights to Europe on sale with a price range between $391-$599. Flight dates are mostly between February and April. Smaller airports will have more stops or worse routing than major airports. This post reflects United matching Oneworldâs sale, that started a few days ago. Expect prices to shift around +/- 10% as the deal ages. Be sure to research your destination before finalizing any travel plans. While most of Europe has relaxed their travel restrictions, there may still be additional entry requirements for some destinations. Click for more details and booking links Cheap Flights: Austin and San Antonio to Europe $391-$599 r/t [February-April] â Star Alliance / Oneworld / SkyTeam . | 