Most Popular United Routes from Pittsburgh
- Burbank to Dallas (BUR - DFW)
- New York to Athens (JFK - ATH)
- Chicago to Puerto Vallarta (ORD - PVR)
- Los Angeles to São Paulo (LAX - GRU)
- San Francisco to Palm Springs (SFO - PSP)
- Salt Lake City to Indianapolis (SLC - IND)
- Houston to New York (IAH - LGA)
- Newark Liberty Intl. Airport to Paris (EWR - CDG)
- El Paso to Madrid (ELP - MAD)
- Boston to London (BOS - LHR)