Aegean Airlines (Star Alliance) links Newark nonstop with Athens (ATH).
Aer Lingus links Newark nonstop with London (LHR), Dublin (DUB), and Madrid (MAD).
Air Canada (Star Alliance) links Newark nonstop with 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 links Newark nonstop with Paris (ORY).
Air France (SkyTeam) links Newark nonstop with Paris (CDG), Copenhagen (CPH), Stockholm (ARN), and Oslo (OSL).
airBaltic links Newark nonstop with Lisbon (LIS), Porto (OPO), and Reykjavik (KEF).
American Airlines (Oneworld) links Newark nonstop with London (LHR), Dublin (DUB), and Madrid (MAD).
Atlantic Airways links Newark nonstop with Reykjavik (KEF).
Austrian Airlines (Star Alliance) links Newark nonstop with 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) links Newark nonstop with London (LHR), Dublin (DUB), and Madrid (MAD).
Brussels Airlines (Star Alliance) links Newark nonstop with 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) links Newark nonstop with Paris (CDG), Copenhagen (CPH), Stockholm (ARN), and Oslo (OSL).
Emirates links Newark nonstop with Athens (ATH).
Ethiopian Airlines (Star Alliance) links Newark nonstop with Porto (OPO).
Finnair (Oneworld) links Newark nonstop with London (LHR) and Madrid (MAD).
French Bee links Newark nonstop with Paris (ORY).
Iberia (Oneworld) links Newark nonstop with London (LHR), Dublin (DUB), and Madrid (MAD).
Icelandair links Newark nonstop with Reykjavik (KEF).
JetBlue links Newark nonstop with Lisbon (LIS), Porto (OPO), and Warsaw (WAW).
KLM (SkyTeam) links Newark nonstop with Paris (CDG).
La Compagnie links Newark nonstop with Paris (ORY), Milan (MXP), Nice (NCE), and Dusseldorf (DUS).
LOT Polish Airlines (Star Alliance) links Newark nonstop with Warsaw (WAW), Krakow (KRK), and Rzeszow (RZE).
Lufthansa (Star Alliance) links Newark nonstop with 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) links Newark nonstop with Dublin (DUB).
Scandinavian Airlines (SkyTeam) links Newark nonstop with Copenhagen (CPH), Stockholm (ARN), and Oslo (OSL).
Swiss International Air Lines (Star Alliance) links Newark nonstop with 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) links Newark nonstop with Lisbon (LIS) and Porto (OPO).
Thai Airways (Star Alliance) links Newark nonstop with Arnavutkoy (IST).
Turkish Airlines (Star Alliance) links Newark nonstop with Arnavutkoy (IST).
United Airlines (Star Alliance) links Newark nonstop with 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) links Newark nonstop with Paris (CDG).