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Flights from Ontario Intl. Airport (ONT) to San Francisco Intl. Airport (SFO)
Flights to San Francisco
California
United States of America
Flights
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Popular airlines from Ontario Intl. Airport (ONT) to San Francisco Intl. Airport (SFO)

Frontier Airlines
Alaska Airlines
United
Southwest Airlines
American Airlines
Delta
JetBlue Airways

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Cheap Flights from Ontario to San Francisco (ONT-SFO)

Prices were available within the past 7 days and start at NT$6,504 for one-way flights and NT$11,705 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

Tue, Oct 6 - Wed, Oct 14

ONT

Ontario

SFO

San Francisco

NT$11,705

Roundtrip

Found 4 days ago

Select United flight, departing Tue, Oct 6 from Ontario to San Francisco, returning Wed, Oct 14, priced at NT$11,705 Found 4 days ago

Thu, Oct 8 - Wed, Oct 14

ONT

Ontario

SFO

San Francisco

NT$12,340

Roundtrip

Found 4 days ago

Select United flight, departing Thu, Oct 8 from Ontario to San Francisco, returning Wed, Oct 14, priced at NT$12,340 Found 4 days ago

Sat, Dec 5 - Sat, Dec 12

ONT

Ontario

SFO

San Francisco

NT$13,790

Roundtrip

Found 1 day ago

Select Delta flight, departing Sat, Dec 5 from Ontario to San Francisco, returning Sat, Dec 12, priced at NT$13,790 Found 1 day ago

Wed, Dec 2 - Fri, Dec 4

ONT

Ontario

SFO

San Francisco

NT$13,962

Roundtrip

Found 6 days ago

Select American Airlines flight, departing Wed, Dec 2 from Ontario to San Francisco, returning Fri, Dec 4, priced at NT$13,962 Found 6 days ago

Sat, Dec 5 - Sat, Dec 12

ONT

Ontario

SFO

San Francisco

NT$14,938

Roundtrip

Found 1 day ago

Select American Airlines flight, departing Sat, Dec 5 from Ontario to San Francisco, returning Sat, Dec 12, priced at NT$14,938 Found 1 day ago

Sat, Dec 5 - Sat, Dec 12

ONT

Ontario

SFO

San Francisco

NT$15,321

Roundtrip

Found 1 day ago

Select American Airlines flight, departing Sat, Dec 5 from Ontario to San Francisco, returning Sat, Dec 12, priced at NT$15,321 Found 1 day ago

Sat, Dec 5 - Sat, Dec 12

ONT

Ontario

SFO

San Francisco

NT$15,500

Roundtrip

Found 1 day ago

Select Delta flight, departing Sat, Dec 5 from Ontario to San Francisco, returning Sat, Dec 12, priced at NT$15,500 Found 1 day ago

Fri, Nov 6 - Sun, Nov 8

ONT

Ontario

SFO

San Francisco

NT$15,799

Roundtrip

Found 1 day ago

Select Delta flight, departing Fri, Nov 6 from Ontario to San Francisco, returning Sun, Nov 8, priced at NT$15,799 Found 1 day ago

Fri, Nov 6 - Sun, Nov 8

ONT

Ontario

SFO

San Francisco

NT$16,182

Roundtrip

Found 1 day ago

Select American Airlines flight, departing Fri, Nov 6 from Ontario to San Francisco, returning Sun, Nov 8, priced at NT$16,182 Found 1 day ago

Fri, Nov 6 - Sun, Nov 8

ONT

Ontario

SFO

San Francisco

NT$16,500

Roundtrip

Found 1 day ago

Select Delta flight, departing Fri, Nov 6 from Ontario to San Francisco, returning Sun, Nov 8, priced at NT$16,500 Found 1 day ago

Find the cheapest month to fly from Ontario (ONT) to San Francisco (SFO)

December is typically the cheapest month to fly

From NT$1,211 - NT$7,528 per traveler.

Travel information

Origin airport	Ontario Intl. Airport
Destination airport	San Francisco Intl. Airport
Distance	585 km away
Airlines serving	Frontier Airlines, Alaska Airlines, United, Southwest Airlines, American Airlines, Delta, JetBlue Airways
Popular airline	Frontier Airlines
Roundtrip price	NT$11,705
Average flight time	1 hour 34 mins

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NT$6,504 Cheap Flights from Ontario Intl. Airport (ONT) to San Francisco (SFO)

Popular airlines from Ontario Intl. Airport (ONT) to San Francisco Intl. Airport (SFO)

Be in the know

Book smarter

Earn twice

Cheap Flights from Ontario to San Francisco (ONT-SFO)

Find the cheapest month to fly from Ontario (ONT) to San Francisco (SFO)

December is typically the cheapest month to flyDecember is typically the cheapest month to fly

Travel information

Explore a world of travel with Expedia

December is typically the cheapest month to fly