Aegean Airlines (Star Alliance) flies nonstop from Newark to Athens (ATH).
Aer Lingus flies nonstop from Newark to London (LHR), Dublin (DUB), and Madrid (MAD).
Air Canada (Star Alliance) flies nonstop from Newark to London (LHR), Lisbon (LIS), Dublin (DUB), Paris (CDG), Porto (OPO), Milan (MXP), Rome (FCO), Athens (ATH), Reykjavik (KEF), Frankfurt-am-Main (FRA), Zurich (ZRH), Munich (MUC), Amsterdam (AMS), Madrid (MAD), Barcelona (BCN), Brussels (BRU), Nice (NCE), Venezia (VCE), Palermo (PMO), Napoli (NAP), Geneva (GVA), Berlin (BER), Edinburgh (EDI), Palma De Mallorca (PMI), Shannon (SNN), Ponta Delgada (PDL), Glasgow (GLA), Dubrovnik (DBV), and Funchal (FNC).
Air Caraibes flies nonstop from Newark to Paris (ORY).
Air France (SkyTeam) flies nonstop from Newark to Paris (CDG), Copenhagen (CPH), Stockholm (ARN), and Oslo (OSL).
airBaltic flies nonstop from Newark to Lisbon (LIS), Porto (OPO), and Reykjavik (KEF).
American Airlines (Oneworld) flies nonstop from Newark to London (LHR), Dublin (DUB), and Madrid (MAD).
Atlantic Airways flies nonstop from Newark to Reykjavik (KEF).
Austrian Airlines (Star Alliance) flies nonstop from Newark to London (LHR), Dublin (DUB), Paris (CDG), Vienna (VIE), Milan (MXP), Rome (FCO), Athens (ATH), Frankfurt-am-Main (FRA), Zurich (ZRH), Amsterdam (AMS), Brussels (BRU), Nice (NCE), Venezia (VCE), Napoli (NAP), Geneva (GVA), Berlin (BER), Palma De Mallorca (PMI), Ponta Delgada (PDL), and Faro (FAO).
British Airways (Oneworld) flies nonstop from Newark to London (LHR), Dublin (DUB), and Madrid (MAD).
Brussels Airlines (Star Alliance) flies nonstop from Newark to London (LHR), Lisbon (LIS), Dublin (DUB), Paris (CDG), Porto (OPO), Milan (MXP), Rome (FCO), Athens (ATH), Reykjavik (KEF), Frankfurt-am-Main (FRA), Madrid (MAD), Brussels (BRU), Nice (NCE), Venezia (VCE), Napoli (NAP), Geneva (GVA), Berlin (BER), Palma De Mallorca (PMI), Ponta Delgada (PDL), Dubrovnik (DBV), and Faro (FAO).
Delta Air Lines (SkyTeam) flies nonstop from Newark to Paris (CDG), Copenhagen (CPH), Stockholm (ARN), and Oslo (OSL).
Emirates flies nonstop from Newark to Athens (ATH).
Ethiopian Airlines (Star Alliance) flies nonstop from Newark to Porto (OPO).
Finnair (Oneworld) flies nonstop from Newark to London (LHR) and Madrid (MAD).
French Bee flies nonstop from Newark to Paris (ORY).
Iberia (Oneworld) flies nonstop from Newark to London (LHR), Dublin (DUB), and Madrid (MAD).
Icelandair flies nonstop from Newark to Reykjavik (KEF).
JetBlue flies nonstop from Newark to Lisbon (LIS), Porto (OPO), and Warsaw (WAW).
KLM (SkyTeam) flies nonstop from Newark to Paris (CDG).
La Compagnie flies nonstop from Newark to Paris (ORY), Milan (MXP), Nice (NCE), and Dusseldorf (DUS).
LOT Polish Airlines (Star Alliance) flies nonstop from Newark to Warsaw (WAW), Krakow (KRK), and Rzeszow (RZE).
Lufthansa (Star Alliance) flies nonstop from Newark to London (LHR), Lisbon (LIS), Dublin (DUB), Paris (CDG), Porto (OPO), Milan (MXP), Rome (FCO), Athens (ATH), Reykjavik (KEF), Frankfurt-am-Main (FRA), Zurich (ZRH), Munich (MUC), Amsterdam (AMS), Madrid (MAD), Barcelona (BCN), Brussels (BRU), Nice (NCE), Venezia (VCE), Palermo (PMO), Napoli (NAP), Geneva (GVA), Berlin (BER), Edinburgh (EDI), Palma De Mallorca (PMI), Malaga (AGP), Shannon (SNN), Ponta Delgada (PDL), Dubrovnik (DBV), Faro (FAO), Funchal (FNC), and Bilbao (BIO).
Qatar Airways (Oneworld) flies nonstop from Newark to Dublin (DUB).
Scandinavian Airlines (SkyTeam) flies nonstop from Newark to Copenhagen (CPH), Stockholm (ARN), and Oslo (OSL).
Swiss International Air Lines (Star Alliance) flies nonstop from Newark to London (LHR), Dublin (DUB), Paris (CDG), Porto (OPO), Milan (MXP), Rome (FCO), Athens (ATH), Zurich (ZRH), Amsterdam (AMS), Madrid (MAD), Barcelona (BCN), Brussels (BRU), Nice (NCE), Venezia (VCE), Napoli (NAP), Geneva (GVA), and Palma De Mallorca (PMI).
TAP Portugal (Star Alliance) flies nonstop from Newark to Lisbon (LIS) and Porto (OPO).
Thai Airways (Star Alliance) flies nonstop from Newark to Arnavutkoy (IST).
Turkish Airlines (Star Alliance) flies nonstop from Newark to Arnavutkoy (IST).
United Airlines (Star Alliance) flies nonstop from Newark to London (LHR), Lisbon (LIS), Dublin (DUB), Paris (CDG), Vienna (VIE), Porto (OPO), Milan (MXP), Rome (FCO), Athens (ATH), Reykjavik (KEF), Frankfurt-am-Main (FRA), Zurich (ZRH), Munich (MUC), Amsterdam (AMS), Madrid (MAD), Barcelona (BCN), Brussels (BRU), Nice (NCE), Ljubljana (LJU), Venezia (VCE), Palermo (PMO), Napoli (NAP), Geneva (GVA), Berlin (BER), Olbia (OLB), Ibiza (IBZ), Edinburgh (EDI), Palma De Mallorca (PMI), Malaga (AGP), Shannon (SNN), Ponta Delgada (PDL), Glasgow (GLA), Santiago de Compostela (SCQ), Dubrovnik (DBV), Luxembourg (LUX), Marseille (MRS), Faro (FAO), Catania (CTA), Bari (BRI), Funchal (FNC), Valencia (VLC), Bilbao (BIO), Split (SPU), and Lajes (TER).
Virgin Atlantic (SkyTeam) flies nonstop from Newark to Paris (CDG).