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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
American Airlines
Southwest 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$4,787 for one-way flights and NT$11,197 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

Tue, Nov 3 - Thu, Nov 5

ONT

Ontario

SFO

San Francisco

NT$11,197

Roundtrip

Just found

Select American Airlines flight, departing Tue, Nov 3 from Ontario to San Francisco, returning Thu, Nov 5, priced at NT$11,197 Just found

Tue, Nov 3 - Thu, Nov 5

ONT

Ontario

SFO

San Francisco

NT$12,025

Roundtrip

Just found

Select Delta flight, departing Tue, Nov 3 from Ontario to San Francisco, returning Thu, Nov 5, priced at NT$12,025 Just found

Tue, Nov 3 - Thu, Nov 5

ONT

Ontario

SFO

San Francisco

NT$12,248

Roundtrip

Just found

Select American Airlines flight, departing Tue, Nov 3 from Ontario to San Francisco, returning Thu, Nov 5, priced at NT$12,248 Just found

Thu, Oct 8 - Wed, Oct 14

ONT

Ontario

SFO

San Francisco

NT$12,340

Roundtrip

Found 6 days ago

Select United flight, departing Thu, Oct 8 from Ontario to San Francisco, returning Wed, Oct 14, priced at NT$12,340 Found 6 days ago

Tue, Nov 3 - Thu, Nov 5

ONT

Ontario

SFO

San Francisco

NT$13,077

Roundtrip

Just found

Select Delta flight, departing Tue, Nov 3 from Ontario to San Francisco, returning Thu, Nov 5, priced at NT$13,077 Just found

Wed, Nov 4 - Fri, Nov 6

ONT

Ontario

SFO

San Francisco

NT$13,447

Roundtrip

Just found

Select American Airlines flight, departing Wed, Nov 4 from Ontario to San Francisco, returning Fri, Nov 6, priced at NT$13,447 Just found

Sat, Dec 5 - Sat, Dec 12

ONT

Ontario

SFO

San Francisco

NT$13,790

Roundtrip

Found 3 days ago

Select Delta flight, departing Sat, Dec 5 from Ontario to San Francisco, returning Sat, Dec 12, priced at NT$13,790 Found 3 days ago

Fri, Nov 6 - Sun, Nov 8

ONT

Ontario

SFO

San Francisco

NT$14,393

Roundtrip

Found 1 day ago

Select Delta flight, departing Fri, Nov 6 from Ontario to San Francisco, returning Sun, Nov 8, priced at NT$14,393 Found 1 day ago

Tue, Nov 3 - Thu, Nov 5

ONT

Ontario

SFO

San Francisco

NT$14,412

Roundtrip

Just found

Select American Airlines flight, departing Tue, Nov 3 from Ontario to San Francisco, returning Thu, Nov 5, priced at NT$14,412 Just found

Tue, Nov 3 - Thu, Nov 5

ONT

Ontario

SFO

San Francisco

NT$14,477

Roundtrip

Just found

Select American Airlines flight, departing Tue, Nov 3 from Ontario to San Francisco, returning Thu, Nov 5, priced at NT$14,477 Just found

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, American Airlines, Southwest Airlines, Delta, JetBlue Airways
Popular airline	Frontier Airlines
Roundtrip price	NT$11,197
Average flight time	1 hour 34 mins

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NT$4,787 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