Cheap United flights Washington (IAD) to San Diego (SAN)

• Las Vegas to Atlanta (LAS - ATL)
• Newark Liberty Intl. Airport to Aguadilla (EWR - BQN)
• Newark Liberty Intl. Airport to Pittsburgh (EWR - PIT)
• Chicago to Cairo (ORD - CAI)
• Anchorage to New Orleans (ANC - MSY)
• Vancouver to Honolulu (YVR - HNL)
• Houston to Belize City (IAH - BZE)
• Newark Liberty Intl. Airport to Aguadilla (EWR - BQN)
• Albuquerque to Manila (ABQ - MNL)
• Albuquerque to Manila (ABQ - MNL)

Popular Domestic Routes in San Diego Intl.

• Milwaukee to Phoenix (MKE - PHX)
• Las Vegas to Atlanta (LAS - ATL)
• Albuquerque to Manila (ABQ - MNL)
• New York to Pittsburgh (LGA - PIT)
• Las Vegas to Atlanta (LAS - ATL)
• Los Angeles to Las Vegas (LAX - LAS)
• New York to Pittsburgh (LGA - PIT)
• Newark Liberty Intl. Airport to Aguadilla (EWR - BQN)
• San Francisco to Cebu (SFO - CEB)
• Milwaukee to Phoenix (MKE - PHX)

Airlines Operating

• United
• Delta
• American Airlines
• Frontier Airlines
• Turkish Airlines
• Copa
• Air Canada
• Alaska Airlines
• British Airways
• Aer Lingus
• TAP Portugal
• Lufthansa
• Swiss International Air Lines
• Qatar Airways
• Avianca
• KLM

• Flights from Washington
• Flights from Alexandria
• Flights from Arlington
• Flights from Ashburn
• Flights from Frederick
• Flights from Blue Ridge Mountains
• Flights from National Harbor
• Flights from Bethesda
• Flights from Fairfax
• Flights from Rockville
• Flights from Silver Spring
• Flights from McLean