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United Flights from Ontario Intl. Airport (ONT) to San Diego Intl. Airport (SAN)
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S$266 Cheap United flights Ontario (ONT) to San Diego (SAN)

Prices were available within the past 7 days and start at S$266 for one-way flights, for the period specified. Prices and availability are subject to change.

One way

Sat, 17 Oct

ONT

Ontario

SAN

San Diego

S$266

One way

Found 9 hours ago

Select United flight, departing Sat, 17 Oct from Ontario to San Diego, priced at S$266 Found 9 hours ago

Sat, 17 Oct

ONT

Ontario

SAN

San Diego

S$286

One way

Found 9 hours ago

Select United flight, departing Sat, 17 Oct from Ontario to San Diego, priced at S$286 Found 9 hours ago

Thu, 15 Oct

ONT

Ontario

SAN

San Diego

S$299

One way

Found 3 days ago

Select United flight, departing Thu, 15 Oct from Ontario to San Diego, priced at S$299 Found 3 days ago

Thu, 15 Oct

ONT

Ontario

SAN

San Diego

S$310

One way

Found 3 days ago

Select United flight, departing Thu, 15 Oct from Ontario to San Diego, priced at S$310 Found 3 days ago

Sat, 17 Oct

ONT

Ontario

SAN

San Diego

S$311

One way

Found 9 hours ago

Select United flight, departing Sat, 17 Oct from Ontario to San Diego, priced at S$311 Found 9 hours ago

Fri, 27 Nov

ONT

Ontario

SAN

San Diego

S$334

One way

Found 3 days ago

Select United flight, departing Fri, 27 Nov from Ontario to San Diego, priced at S$334 Found 3 days ago

Sat, 17 Oct

ONT

Ontario

SAN

San Diego

S$337

One way

Found 9 hours ago

Select United flight, departing Sat, 17 Oct from Ontario to San Diego, priced at S$337 Found 9 hours ago

Thu, 15 Oct

ONT

Ontario

SAN

San Diego

S$367

One way

Found 3 days ago

Select United flight, departing Thu, 15 Oct from Ontario to San Diego, priced at S$367 Found 3 days ago

Thu, 15 Oct

ONT

Ontario

CLD

Carlsbad

S$369

One way

Found 3 days ago

Select United flight, departing Thu, 15 Oct from Ontario to Carlsbad, priced at S$369 Found 3 days ago

Sat, 17 Oct

ONT

Ontario

CLD

Carlsbad

S$370

One way

Found 9 hours ago

Select United flight, departing Sat, 17 Oct from Ontario to Carlsbad, priced at S$370 Found 9 hours ago

Sat, 17 Oct

ONT

Ontario

SAN

San Diego

S$375

One way

Found 9 hours ago

Select United flight, departing Sat, 17 Oct from Ontario to San Diego, priced at S$375 Found 9 hours ago

Thu, 15 Oct

ONT

Ontario

SAN

San Diego

S$388

One way

Found 3 days ago

Select United flight, departing Thu, 15 Oct from Ontario to San Diego, priced at S$388 Found 3 days ago

Find the cheapest month to fly from Ontario (ONT) to San Diego (SAN)

February is typically the cheapest month to fly

From S$241 - S$577 per traveller.

Travel information

Origin airport	Ontario Intl. Airport
Destination airport	San Diego Intl. Airport
Distance	152 km away
Airline name	United
Airline code	UA
Return price	S$266

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Alaska Airlines Ontario (ONT) to San Diego (SAN) flights
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Virgin Atlantic London (LHR) to San Diego (SAN) flights
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Flights from Alexandria (AEX) to San Diego (SAN)
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Flights from Fargo (FAR) to San Diego (SAN)
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Flights from Novato (NOT) to San Diego (SAN)
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Flights from Ontario (ONT) to San Diego (SAN)
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Flights from Paris (ORY) to San Diego (SAN)
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Flights from Rome (RME) to San Diego (SAN)
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Flights from Reno (RNO) to San Diego (SAN)
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Flights from San Pedro Sula (SAP) to San Diego (SAN)
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Flights from Santander (SDR) to San Diego (SAN)
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Flights from Qingdao (TAO) to San Diego (SAN)
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Flights from Taipei (TPE) to San Diego (SAN)
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Flights from Tucson (TUS) to San Diego (SAN)
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Flights from Vero Beach (VRB) to San Diego (SAN)
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Flights from Santa Cruz (VVI) to San Diego (SAN)
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Flights from Wagga Wagga (WGA) to San Diego (SAN)
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Flights from Peawanuck (YPO) to San Diego (SAN)
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Flights from The Pas (YQD) to San Diego (SAN)
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Flights from Comox (YQQ) to San Diego (SAN)
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Flights from Regina (YQR) to San Diego (SAN)
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Flights from Yuma (YUM) to San Diego (SAN)
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Flights from Penticton (YYF) to San Diego (SAN)
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United flights to San Diego from Ontario Intl. Airport

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Book smarter

Earn twice

S$266 Cheap United flights Ontario (ONT) to San Diego (SAN)

Find the cheapest month to fly from Ontario (ONT) to San Diego (SAN)

February is typically the cheapest month to flyFebruary is typically the cheapest month to fly

Travel information

Explore a world of travel with Expedia

February is typically the cheapest month to fly