Cheap Flights to San Mateo County from ₩115,700

View ₩115,700 flight on Tue, Jun 9, 2026Opens in a new window

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  • Delta

  • Frontier Airlines

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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 ₩115,700 for one-way flights and ₩338,500 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
₩338,500 Roundtrip, found 3 hours ago
₩338,500
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Jun 9 from Ontario to San Francisco, returning Wed, Jun 10, priced at ₩338,500 found 3 hours ago
Delta
Sat, May 23 - Mon, May 25
PDX
Portland
SFO
San Francisco
₩366,700 Roundtrip, found 2 days ago
₩366,700
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, May 23 from Portland to San Francisco, returning Mon, May 25, priced at ₩366,700 found 2 days ago
American Airlines
Fri, Jun 19 - Sun, Jun 21
PDX
Portland
SFO
San Francisco
₩523,200 Roundtrip, found 2 days ago
₩523,200
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Jun 19 from Portland to San Francisco, returning Sun, Jun 21, priced at ₩523,200 found 2 days ago
Air Canada
Sat, Oct 10 - Mon, Oct 19
ICN
Seoul
SFO
San Francisco
₩666,800 Roundtrip, found 1 day ago
₩666,800
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sat, Oct 10 from Seoul to San Francisco, returning Mon, Oct 19, priced at ₩666,800 found 1 day ago
Delta
Fri, Jun 19 - Sun, Jun 21
PDX
Portland
SJC
San Jose
₩726,400 Roundtrip, found 2 days ago
₩726,400
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Jun 19 from Portland to San Jose, returning Sun, Jun 21, priced at ₩726,400 found 2 days ago
Hawaiian Airlines
Wed, Mar 25 - Thu, Mar 26
PDX
Portland
OAK
Oakland
₩856,200 Roundtrip, found 1 day ago
₩856,200
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, Mar 25 from Portland to Oakland, returning Thu, Mar 26, priced at ₩856,200 found 1 day ago
Philippine Airlines
Tue, Sep 1 - Tue, Nov 17
ICN
Seoul
SFO
San Francisco
₩870,000 Roundtrip, found 5 days ago
₩870,000
Roundtrip
found 5 days ago
Select Philippine Airlines flight, departing Tue, Sep 1 from Seoul to San Francisco, returning Tue, Nov 17, priced at ₩870,000 found 5 days ago
Air Premia
Sun, May 3 - Sat, May 16
ICN
Seoul
SFO
San Francisco
₩963,800 Roundtrip, just found
₩963,800
Roundtrip
just found
Select Air Premia flight, departing Sun, May 3 from Seoul to San Francisco, returning Sat, May 16, priced at ₩963,800 just found
Alaska Airlines
Wed, May 13 - Sun, May 31
ICN
Seoul
SFO
San Francisco
₩1,115,300 Roundtrip, found 2 days ago
₩1,115,300
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, May 13 from Seoul to San Francisco, returning Sun, May 31, priced at ₩1,115,300 found 2 days ago
China Airlines
Tue, Jun 9 - Tue, Jul 14
ICN
Seoul
SFO
San Francisco
₩1,174,500 Roundtrip, found 21 hours ago
₩1,174,500
Roundtrip
found 21 hours ago
Select China Airlines flight, departing Tue, Jun 9 from Seoul to San Francisco, returning Tue, Jul 14, priced at ₩1,174,500 found 21 hours 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
Sat, Oct 10 - Mon, Oct 19
ICN
Seoul
SFO
San Francisco
₩666,800 Roundtrip, found 1 day ago
₩666,800
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sat, Oct 10 from Seoul to San Francisco, returning Mon, Oct 19, priced at ₩666,800 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, ₩338,500 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 ₩338,500 and ₩1,174,500. If you were flying one way out of Ontario (ONT), you could have picked up a bargain from just ₩115,700.
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 ₩338,500 and ₩1,174,500. 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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