Denver, USA → Marseille, France

Flight deals from US cities to French cities | Secret Flying

January 15, 2026

US cities to French cities from only $484 roundtrip

Cheap flights from US cities to French cities from only $484 roundtrip with United Airlines and Air Canada.

Flight deals from Chicago to Amsterdam, Netherlands | Secret Flying

November 21, 2017

Big sale from the USA to Europe from only $351 roundtrip

United Airlines have put many USA to Europe routes on sale. For example, fly non-stop from Chicago to Amsterdam, Netherlands for only $351 roundtrip with United Airlines (see image below).