| Code | Airline | % Searches | % being the cheapest |
|---|---|---|---|
| G4 | Allegiant Air | 1.0 | 58.3 |
| 9V | Avior | 0.2 | 55.6 |
| VH | Aeropostal | 0.4 | 53.8 |
| NK | Spirit Airlines | 27.5 | 45.7 |
| SE | XL | 0.2 | 33.0 |
| FC | VivaAir | 0.2 | 30.4 |
| VB | VivaAerobus | 1.6 | 30.2 |
| PD | Porter | 0.3 | 29.2 |
| WW | WOW air | 0.8 | 28.2 |
| F9 | Frontier | 16.3 | 26.7 |
| AA | American Airlines | 82.1 | 22.3 |
| DY | Norwegian | 2.7 | 20.4 |
| 4O | InterJet | 23.7 | 20.3 |
| MU | China Eastern | 2.2 | 18.3 |
| Q6 | Aero Condor Peru | 0.4 | 17.2 |
| B6 | JetBlue | 42.2 | 17.1 |
| Y4 | Volaris | 6.8 | 16.6 |
| 3U | Sichuan Airlines | 0.3 | 16.5 |
| UA | United | 86.1 | 16.1 |
| DI | Divi Divi Air | 2.5 | 14.8 |
| FJ | Fiji | 0.3 | 14.7 |
| TN | Air Tahiti Nui | 0.4 | 13.0 |
| DE | Condor | 0.4 | 12.7 |
| WN | Southwest Airlines | 17.3 | 12.6 |
| HX | Hong Kong Airlines | 0.5 | 12.3 |
| HA | Hawaiian Airlines | 1.1 | 12.2 |
| AM | Aeroméxico | 45.7 | 11.9 |
| MF | Xiamen Airlines | 0.5 | 11.7 |
| G3 | Gol | 0.3 | 11.6 |
| SY | Sun Country Airlines | 2.7 | 11.5 |
| KX | Cayman Airways | 3.5 | 11.1 |
| OB | Boliviana | 0.2 | 10.9 |
| DL | Delta | 53.2 | 10.8 |
| MT | Thomas Cook | 0.2 | 10.8 |
| 4B | Aviastar-TU | 0.2 | 10.8 |
| CM | Copa | 39.0 | 10.4 |
| IG | Air Italy | 0.5 | 10.2 |
| VA | Virgin Australia | 0.3 | 9.9 |
| CA | Air China | 2.3 | 9.5 |
| LV | Level | 0.3 | 8.9 |
| SU | Aeroflot | 4.5 | 8.4 |
| TK | Turkish | 10.4 | 7.9 |
| KU | Kuwait Airways | 0.2 | 7.6 |
| HU | Hainan Airlines | 0.3 | 7.5 |
| 9K | Cape Air | 0.3 | 7.4 |
| O2 | Jet Air | 1.1 | 7.3 |
| PR | Philippine Airlines | 0.9 | 7.3 |
| AV | Avianca | 37.2 | 7.0 |
| PS | Ukraine | 0.9 | 7.0 |
| AT | Royal Air | 2.3 | 6.9 |
| TP | TAP | 8.4 | 6.8 |
| FI | Icelandair | 2.3 | 6.8 |
| QF | Qantas | 0.7 | 6.5 |
| AS | Alaska | 33.0 | 6.2 |
| SK | SAS | 2.9 | 6.1 |
| KQ | Kenya Airways | 0.2 | 6.0 |
| VS | Virgin Atlantic | 3.3 | 5.9 |
| EW | Eurowings | 0.5 | 5.8 |
| AR | Aerolíneas Argentinas | 2.3 | 5.7 |
| NZ | Air New Zealand | 1.1 | 5.6 |
| SV | Saudia | 0.2 | 5.6 |
| EI | Aer Lingus | 6.0 | 5.5 |
| AD | Azul | 0.5 | 5.5 |
| WS | WestJet | 4.4 | 5.3 |
| S4 | SATA | 0.2 | 5.3 |
| BW | Caribbean Airlines | 1.9 | 5.1 |
| CZ | China Southern | 1.8 | 5.0 |
| QR | Qatar Airways | 2.8 | 4.9 |
| LA | Latam | 13.6 | 4.8 |
| UX | Air Europa | 8.1 | 4.7 |
| AI | Air India | 0.4 | 4.7 |
| JJ | TAM | 1.5 | 4.6 |
| EQ | TAME | 0.7 | 4.6 |
| BR | EVA | 1.0 | 4.5 |
| VN | Vietnam | 0.2 | 4.5 |
| AY | Finnair | 9.2 | 4.4 |
| 3M | Silver Airways | 3.9 | 4.3 |
| BA | British Airways | 13.6 | 4.2 |
| IB | Iberia | 11.5 | 4.2 |
| UP | Bahamasair | 2.8 | 4.2 |
| SS | Corsair | 0.2 | 4.2 |
| AC | Air Canada | 30.2 | 4.1 |
| XL | LATAM Ecuador | 1.0 | 3.9 |
| VX | Virgin America | 3.1 | 3.8 |
| RJ | Royal Jordanian | 0.5 | 3.4 |
| KL | KLM | 13.4 | 3.3 |
| NH | All Nippon Airways | 2.5 | 3.3 |
| AF | Air France | 14.0 | 3.0 |
| LH | Lufthansa | 14.1 | 2.8 |
| ET | Ethiopian Airlines | 1.2 | 2.8 |
| CX | Cathay | 2.6 | 2.7 |
| LX | Swiss | 9.7 | 2.6 |
| CI | China | 1.1 | 2.6 |
| EY | Etihad Airways | 1.8 | 2.5 |
| EK | Emirates | 4.3 | 2.4 |
| SQ | Singapore | 2.6 | 2.4 |
| LO | LOT | 2.5 | 2.4 |
| JL | Japan | 2.1 | 2.4 |
| O6 | Avianca Brasil | 0.4 | 2.4 |
| OZ | Asiana Airlines | 1.6 | 2.3 |
| 9W | Jet Airways | 0.3 | 2.3 |
| SA | South African Airways | 0.2 | 2.2 |
| HR | Hahn Air Lines | 1.6 | 2.0 |
| MS | EgyptAir | 0.4 | 1.9 |
| SN | Brussels Airlines | 6.6 | 1.4 |
| 4M | LATAM Argentina | 0.6 | 1.4 |
| UL | Sri Lankan | 0.2 | 1.4 |
| KE | Korean Air | 2.4 | 1.3 |
| AZ | Alitalia | 6.1 | 1.2 |
| GF | Gulf Air | 0.3 | 1.1 |
| TA | Avianca El Salvador | 3.8 | 0.8 |
| MH | Malaysia | 0.3 | 0.8 |
| H1 | Hahn Air | 1.8 | 0.7 |
| OS | Austrian | 6.2 | 0.5 |
| EC | Avialeasing | 0.2 | 0.5 |
| LY | El Al Israel Airlines | 0.2 | 0.4 |
| TG | Thai | 0.3 | 0.1 |
