Cheap Flights to San Mateo County | Popular Routes to San Mateo County from HK$3,250

View HK$3,250 flight on Wed, 13 May 2026Opens in a new window

Popular airlines to San Mateo County

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  • United

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  • Southwest Airlines

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Cheap round-trip flights to San Mateo County

Prices were available within the past 7 days and start at HK$3,250 for one-way flights and HK$4,292 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 21 Nov - Mon, 30 Nov
ICN
Seoul
SFO
San Francisco
HK$4,292 Return, found 4 days ago
HK$4,292
Return
found 4 days ago
Select United flight, departing Sat, 21 Nov from Seoul to San Francisco, returning Mon, 30 Nov, priced at HK$4,292 found 4 days ago
Air Premia
Mon, 18 May - Mon, 18 May
ICN
Seoul
SFO
San Francisco
HK$5,058 Return, found 3 days ago
HK$5,058
Return
found 3 days ago
Select Air Premia flight, departing Mon, 18 May from Seoul to San Francisco, returning Mon, 18 May, priced at HK$5,058 found 3 days ago
Delta
Wed, 10 Jun - Sun, 12 Jul
HKG
Hong Kong SAR
SFO
San Francisco
HK$5,558 Return, found 3 days ago
HK$5,558
Return
found 3 days ago
Select Delta flight, departing Wed, 10 Jun from Hong Kong SAR to San Francisco, returning Sun, 12 Jul, priced at HK$5,558 found 3 days ago
Air Canada
Sat, 17 Oct - Fri, 30 Oct
ICN
Seoul
SFO
San Francisco
HK$5,690 Return, found 2 days ago
HK$5,690
Return
found 2 days ago
Select Air Canada flight, departing Sat, 17 Oct from Seoul to San Francisco, returning Fri, 30 Oct, priced at HK$5,690 found 2 days ago
Asiana Airlines
Thu, 23 Apr - Sun, 3 May
ICN
Seoul
SFO
San Francisco
HK$5,952 Return, found 2 days ago
HK$5,952
Return
found 2 days ago
Select Asiana Airlines flight, departing Thu, 23 Apr from Seoul to San Francisco, returning Sun, 3 May, priced at HK$5,952 found 2 days ago
Alaska Airlines
Sun, 3 May - Wed, 6 May
ICN
Seoul
SFO
San Francisco
HK$6,002 Return, found 1 day ago
HK$6,002
Return
found 1 day ago
Select Alaska Airlines flight, departing Sun, 3 May from Seoul to San Francisco, returning Wed, 6 May, priced at HK$6,002 found 1 day ago
Korean Air
Sat, 12 Sept - Mon, 21 Sept
ICN
Seoul
SFO
San Francisco
HK$6,120 Return, found 3 days ago
HK$6,120
Return
found 3 days ago
Select Korean Air flight, departing Sat, 12 Sept from Seoul to San Francisco, returning Mon, 21 Sept, priced at HK$6,120 found 3 days ago
China Airlines
Sat, 12 Sept - Mon, 21 Sept
ICN
Seoul
SFO
San Francisco
HK$6,161 Return, found 3 days ago
HK$6,161
Return
found 3 days ago
Select China Airlines flight, departing Sat, 12 Sept from Seoul to San Francisco, returning Mon, 21 Sept, priced at HK$6,161 found 3 days ago
Philippine Airlines
Mon, 31 Aug - Tue, 8 Sept
HKG
Hong Kong SAR
SFO
San Francisco
HK$6,218 Return, found 1 day ago
HK$6,218
Return
found 1 day ago
Select Philippine Airlines flight, departing Mon, 31 Aug from Hong Kong SAR to San Francisco, returning Tue, 8 Sept, priced at HK$6,218 found 1 day ago
Asiana Airlines
Tue, 5 May - Mon, 11 May
PVG
Shanghai
SFO
San Francisco
HK$6,423 Return, found 2 days ago
HK$6,423
Return
found 2 days ago
Select Asiana Airlines flight, departing Tue, 5 May from Shanghai to San Francisco, returning Mon, 11 May, priced at HK$6,423 found 2 days ago

Trending flights to San Mateo County

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

Delta
Wed, 10 Jun - Sun, 12 Jul
HKG
Hong Kong SAR
SFO
San Francisco
HK$5,558 Return, found 3 days ago
HK$5,558
Return
found 3 days ago
Select Delta flight, departing Wed, 10 Jun from Hong Kong SAR to San Francisco, returning Sun, 12 Jul, priced at HK$5,558 found 3 days 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, HK$4,292 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 HK$4,292 and HK$6,423. If you were flying one way out of Seoul (ICN), you could have picked up a bargain from just HK$3,250.
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 HK$4,292 and HK$6,423. 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 13ºC and 24ºC 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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