Cheap Flights to San Mateo County from ₩152,700

View ₩152,700 flight on Tue, May 26, 2026Opens in a new window

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  • Delta

  • United

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  • Southwest Airlines

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How much is the cheapest flight to San Mateo County?

Prices were available within the past 7 days and start at ₩152,700 for one-way flights and ₩306,300 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Jun 9 - Wed, Jun 10
ONT
Ontario
SFO
San Francisco
₩306,300 Roundtrip, found 4 hours ago
₩306,300
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Jun 9 from Ontario to San Francisco, returning Wed, Jun 10, priced at ₩306,300 found 4 hours ago
American Airlines
Tue, May 19 - Thu, May 21
ONT
Ontario
SFO
San Francisco
₩695,200 Roundtrip, found 1 day ago
₩695,200
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, May 19 from Ontario to San Francisco, returning Thu, May 21, priced at ₩695,200 found 1 day ago
American Airlines
Fri, Jun 26 - Fri, Jul 3
ONT
Ontario
SJC
San Jose
₩747,100 Roundtrip, found 2 days ago
₩747,100
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Jun 26 from Ontario to San Jose, returning Fri, Jul 3, priced at ₩747,100 found 2 days ago
Delta
Tue, Jun 9 - Wed, Jun 10
ONT
Ontario
SFO
San Francisco
₩818,000 Roundtrip, found 4 hours ago
₩818,000
Roundtrip
found 4 hours ago
Select Delta flight, departing Tue, Jun 9 from Ontario to San Francisco, returning Wed, Jun 10, priced at ₩818,000 found 4 hours ago
Air Canada
Thu, May 7 - Tue, May 12
ICN
Seoul
SFO
San Francisco
₩1,058,000 Roundtrip, found 1 day ago
₩1,058,000
Roundtrip
found 1 day ago
Select Air Canada flight, departing Thu, May 7 from Seoul to San Francisco, returning Tue, May 12, priced at ₩1,058,000 found 1 day ago
Air Premia
Wed, May 6 - Sun, May 17
ICN
Seoul
SFO
San Francisco
₩1,152,400 Roundtrip, found 1 day ago
₩1,152,400
Roundtrip
found 1 day ago
Select Air Premia flight, departing Wed, May 6 from Seoul to San Francisco, returning Sun, May 17, priced at ₩1,152,400 found 1 day ago
United
Wed, Nov 25 - Tue, Feb 2
ICN
Seoul
SJC
San Jose
₩1,279,800 Roundtrip, found 4 days ago
₩1,279,800
Roundtrip
found 4 days ago
Select United flight, departing Wed, Nov 25 from Seoul to San Jose, returning Tue, Feb 2, priced at ₩1,279,800 found 4 days ago
All Nippon Airways
Thu, Sep 17 - Tue, Sep 22
GMP
Seoul
SFO
San Francisco
₩1,324,000 Roundtrip, found 2 days ago
₩1,324,000
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Thu, Sep 17 from Seoul to San Francisco, returning Tue, Sep 22, priced at ₩1,324,000 found 2 days ago
Alaska Airlines
Fri, Jun 5 - Sun, Jun 21
ICN
Seoul
SJC
San Jose
₩1,433,400 Roundtrip, found 2 days ago
₩1,433,400
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Jun 5 from Seoul to San Jose, returning Sun, Jun 21, priced at ₩1,433,400 found 2 days ago
Korean Air
Wed, Nov 25 - Tue, Feb 2
ICN
Seoul
SJC
San Jose
₩1,434,500 Roundtrip, found 4 days ago
₩1,434,500
Roundtrip
found 4 days ago
Select Korean Air flight, departing Wed, Nov 25 from Seoul to San Jose, returning Tue, Feb 2, priced at ₩1,434,500 found 4 days ago

Trending flights to San Mateo County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, May 7 - Tue, May 12
ICN
Seoul
SFO
San Francisco
₩1,058,000 Roundtrip, found 1 day ago
₩1,058,000
Roundtrip
found 1 day ago
Select Air Canada flight, departing Thu, May 7 from Seoul to San Francisco, returning Tue, May 12, priced at ₩1,058,000 found 1 day ago

Frequently asked questions

How do I find cheap flights to San Mateo County that have flexible change policies?
By using our nifty "No change fee" filter, that's how. All you have to do is enter your travel details, click the "Search" button, then select the box below the "Flexible change policies" heading (to the left). Expedia makes it a snap to find cheap, flexible flights to San Mateo County.
Which airlines fly to San Mateo County?
You can take your pick of a range of airlines that touch down in or near San Mateo County. A few of your best options are:

  • United Airlines - 5,914 flights to or near San Mateo County each month, including 5,914 flights to San Francisco Intl. Airport (SFO) per month.
  • Alaska Airlines - 2,349 flights to or near San Mateo County each month, including 2,349 flights to San Francisco Intl. Airport (SFO) per month.
  • Delta Air Lines - 1,222 flights to or near San Mateo County each month, including 1,222 flights to San Francisco Intl. Airport (SFO) per month.

How can I find cheap tickets to San Mateo County?
In the last seven days, ₩306,300 was the lowest price for a flight to San Mateo County. For an even cheaper fare, book well ahead of time and be flexible with your travel dates. Search for your flight to San Mateo County, then check out prices for nearby days by clicking on the "flexible dates" link above.
How much is a flight to San Mateo County?
The price of a round-trip airfare to San Mateo County in the last seven days varied between ₩306,300 and ₩1,434,500. If you were flying one way out of Ontario (ONT), you could have picked up a bargain from just ₩152,700.
What are the most popular airports to fly into in San Mateo County?
San Mateo County's primary gateway is San Francisco Intl. Airport (SFO). Get your next thrilling journey underway by reserving a ticket on one of the 11,935 flights every month to this destination.
When is the cheapest time to fly to San Mateo County?
Jet off on a Tuesday to boost your odds of scoring the cheapest flight to San Mateo County. Mondays are usually the second most affordable day to depart. Saturday is typically the most expensive day to fly anywhere.
How much is a plane ticket to San Mateo County?
In the last seven days, airfares to San Mateo County varied between ₩306,300 and ₩1,434,500. Prices depend on a number of things, particularly the departure time, cabin class, airline and when the fare is booked.
What is the best time to go to San Mateo County?
Summer starts June 20 in the Northern Hemisphere, and these warmer months are an excellent time to visit the exciting San Mateo County city of San Francisco. Average temperatures vary between 55ºF and 75ºF throughout this season. The largest crowds are found here in March, April and May.
What months are the cheapest to book a flight to San Mateo County?
The best month to purchase well-priced fares to San Mateo County is February. Bear in mind that in the U.S, the most expensive time to book a ticket is the month of December.

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About San Mateo County

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About San Mateo County

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