Air France (SkyTeam) flies nonstop from Detroit to Paris (CDG), Amsterdam (AMS), London (LHR), Frankfurt-am-Main (FRA), Rome (FCO), Dublin (DUB), Munich (MUC), and Athens (ATH).
Delta Air Lines (SkyTeam) flies nonstop from Detroit to Paris (CDG), Amsterdam (AMS), London (LHR), Frankfurt-am-Main (FRA), Rome (FCO), Dublin (DUB), Munich (MUC), and Athens (ATH).
KLM (SkyTeam) flies nonstop from Detroit to Paris (CDG), Amsterdam (AMS), London (LHR), Frankfurt-am-Main (FRA), Rome (FCO), Dublin (DUB), Munich (MUC), and Athens (ATH).
Lufthansa (Star Alliance) flies nonstop from Detroit to Frankfurt-am-Main (FRA).
Saudia (SkyTeam) flies nonstop from Detroit to Paris (CDG), Amsterdam (AMS), and London (LHR).
Scandinavian Airlines (SkyTeam) flies nonstop from Detroit to London (LHR).
Turkish Airlines (Star Alliance) flies nonstop from Detroit to Arnavutkoy (IST).
United Airlines (Star Alliance) flies nonstop from Detroit to Frankfurt-am-Main (FRA).
Vietnam Airlines (SkyTeam) flies nonstop from Detroit to Frankfurt-am-Main (FRA).
Virgin Atlantic (SkyTeam) flies nonstop from Detroit to Paris (CDG), Amsterdam (AMS), London (LHR), Frankfurt-am-Main (FRA), and Munich (MUC).