
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 40% on select hotels after you book a flight*
United flights from Ontario to San Diego (ONT→SAN)
Prices were available within the past 7 days and start at S$589 for one-way flights and S$1,159 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, 2 Dec - Mon, 8 Dec
ONT
Ontario
SAN
San Diego
S$1,159 Return, found 19 hours ago
S$1,159
Return
found 19 hours ago

Tue, 2 Dec - Mon, 8 Dec
ONT
Ontario
SAN
San Diego
S$1,163 Return, found 19 hours ago
S$1,163
Return
found 19 hours ago

Tue, 2 Dec - Mon, 8 Dec
ONT
Ontario
SAN
San Diego
S$1,189 Return, found 19 hours ago
S$1,189
Return
found 19 hours ago

Tue, 2 Dec - Mon, 8 Dec
ONT
Ontario
SAN
San Diego
S$1,232 Return, found 19 hours ago
S$1,232
Return
found 19 hours ago

Tue, 2 Dec - Mon, 8 Dec
ONT
Ontario
SAN
San Diego
S$1,262 Return, found 19 hours ago
S$1,262
Return
found 19 hours ago

Tue, 2 Dec - Mon, 8 Dec
ONT
Ontario
SAN
San Diego
S$1,368 Return, found 19 hours ago
S$1,368
Return
found 19 hours ago
Origin airport | Los Angeles - Ontario Intl. |
|---|---|
Destination airport | San Diego Intl. |
Airlines serving | United |
Popular airline | United |
Distance | 151 km |
- Trending United Flights
- Trending Routes
- More Carriers
- Nearby Airports
- Flights from Other Cities
- Expedia's Latest Trends
Most Popular United Routes from Ontario
- San Francisco to Singapore (SFO - SIN)
- Singapore to San Francisco (SIN - SFO)
- Singapore to Dallas (SIN - DFW)
- Singapore to Las Vegas (SIN - LAS)
- Singapore to New York (SIN - JFK)
- Singapore to Newark Liberty Intl. Airport (SIN - EWR)
- Singapore to Honolulu (SIN - HNL)
- Singapore to Los Angeles (SIN - LAX)
- Singapore to Portland (SIN - PDX)
- Singapore to Miami (SIN - MIA)
Popular Domestic Routes in San Diego Intl.
- Singapore to Denver (SIN - DEN)
- Singapore to Calgary (SIN - YYC)
- Singapore to Toronto (SIN - YYZ)
- Newark Liberty Intl. Airport to Singapore (EWR - SIN)
- Singapore to New York (SIN - JFK)
- Singapore to Dallas (SIN - DFW)
- Singapore to Houston (SIN - IAH)
- Singapore to Newark Liberty Intl. Airport (SIN - EWR)
- San Francisco to Singapore (SFO - SIN)
- Singapore to Las Vegas (SIN - LAS)
Nearby Airports
Expedia's Latest Trends
Flights
- Flights from San Francisco (SFO) to Grand Canyon (GCN)
- Flights from Los Angeles (LAX) to Baltimore (BWI)
- Flights from Singapore (SIN) to Seattle (SEA)
- Flights from Singapore (SIN) to Columbus (CMH)
- Flights from San Francisco (SFO) to Los Angeles (LAX)
- Flights from Sepang (KUL) to Los Angeles (LAX)
- Flights from Singapore (SIN) to Philadelphia (PHL)
- Flights from San Francisco (SFO) to Vancouver (YVR)
- Flights from NYC-All Airports to Pearson Intl.
- Flights from Dallas (DFW) to Singapore (SIN)
- Flights from San Francisco (SFO) to New York (JFK)
- Flights from Boston (BOS) to Singapore (SIN)
- Flights from Singapore (SIN) to Pittsburgh (PIT)
- Flights from Los Angeles (LAX) to San Francisco (SFO)
- Flights from Singapore (SIN) to Los Angeles (LAX)
- Flights from Singapore (SIN) to Boston (BOS)
- Flights from San Francisco (SFO) to Las Vegas (LAS)
- Flights from Singapore (SIN) to Fort Lauderdale (FLL)
- Flights from Singapore (SIN) to Dallas (DFW)
- Flights from San Francisco (SFO) to Seattle (SEA)
- Flights from Pearson Intl. to NYC-All Airports
- Flights from Los Angeles (LAX) to Singapore (SIN)
- Flights from San Francisco (SFO) to Singapore (SIN)
- Flights from Los Angeles (LAX) to Las Vegas (LAS)
- Flights from Singapore (SIN) to San Francisco (SFO)
- Flights from New York (JFK) to Boston (BOS)
- Flights from Phoenix (PHX) to Los Angeles (LAX)
- Flights from Singapore (SIN) to San Diego (SAN)
- Flights from Singapore (SIN) to Las Vegas (LAS)
- Flights from Singapore (SIN) to Cleveland (CLE)
*Available to Expedia members.