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Cheap Flights to San Mateo County | Popular Routes to San Mateo County from HK$3,449

View HK$3,449 flight on Wed, 16 Sept 2026Opens in a new window

Popular airlines to San Mateo County

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  • United

  • 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$3,449 for one-way flights and HK$5,417 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Wed, 23 Sept - Thu, 22 Oct
HKG
Hong Kong SAR
SFO
San Francisco
HK$5,417 Return, found 6 days ago
HK$5,417
Return
found 6 days ago
Select Cathay Pacific flight, departing Wed, 23 Sept from Hong Kong SAR to San Francisco, returning Thu, 22 Oct, priced at HK$5,417 found 6 days ago
Delta
Sat, 7 Nov - Fri, 13 Nov
TPE
Taipei
SFO
San Francisco
HK$5,837 Return, found 11 hours ago
HK$5,837
Return
found 11 hours ago
Select Delta flight, departing Sat, 7 Nov from Taipei to San Francisco, returning Fri, 13 Nov, priced at HK$5,837 found 11 hours ago
United
Mon, 24 Aug - Sun, 6 Sept
TPE
Taipei
SFO
San Francisco
HK$5,933 Return, found 22 hours ago
HK$5,933
Return
found 22 hours ago
Select United flight, departing Mon, 24 Aug from Taipei to San Francisco, returning Sun, 6 Sept, priced at HK$5,933 found 22 hours ago
Air China
Wed, 16 Sept - Wed, 4 Nov
HKG
Hong Kong SAR
SFO
San Francisco
HK$6,079 Return, found 15 hours ago
HK$6,079
Return
found 15 hours ago
Select Air China flight, departing Wed, 16 Sept from Hong Kong SAR to San Francisco, returning Wed, 4 Nov, priced at HK$6,079 found 15 hours ago
Korean Air
Tue, 19 Jan - Tue, 26 Jan
TPE
Taipei
SFO
San Francisco
HK$6,144 Return, found 4 hours ago
HK$6,144
Return
found 4 hours ago
Select Korean Air flight, departing Tue, 19 Jan from Taipei to San Francisco, returning Tue, 26 Jan, priced at HK$6,144 found 4 hours ago
Air Canada
Thu, 24 Dec - Wed, 30 Dec
PVG
Shanghai
SFO
San Francisco
HK$6,200 Return, found 5 days ago
HK$6,200
Return
found 5 days ago
Select Air Canada flight, departing Thu, 24 Dec from Shanghai to San Francisco, returning Wed, 30 Dec, priced at HK$6,200 found 5 days ago
Cathay Pacific
Mon, 24 Aug - Sun, 6 Sept
TPE
Taipei
SFO
San Francisco
HK$6,273 Return, found 22 hours ago
HK$6,273
Return
found 22 hours ago
Select Cathay Pacific flight, departing Mon, 24 Aug from Taipei to San Francisco, returning Sun, 6 Sept, priced at HK$6,273 found 22 hours ago
EVA Airways
Sun, 29 Nov - Mon, 14 Dec
HKG
Hong Kong SAR
SFO
San Francisco
HK$6,281 Return, just found
HK$6,281
Return
just found
Select EVA Airways flight, departing Sun, 29 Nov from Hong Kong SAR to San Francisco, returning Mon, 14 Dec, priced at HK$6,281 just found
Asiana Airlines
Thu, 3 Sept - Thu, 17 Sept
TPE
Taipei
SFO
San Francisco
HK$6,335 Return, found 1 day ago
HK$6,335
Return
found 1 day ago
Select Asiana Airlines flight, departing Thu, 3 Sept from Taipei to San Francisco, returning Thu, 17 Sept, priced at HK$6,335 found 1 day ago
China Airlines
Mon, 23 Nov - Tue, 8 Dec
HKG
Hong Kong SAR
SFO
San Francisco
HK$6,371 Return, just found
HK$6,371
Return
just found
Select China Airlines flight, departing Mon, 23 Nov from Hong Kong SAR to San Francisco, returning Tue, 8 Dec, priced at HK$6,371 just found

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.

Cathay Pacific
Wed, 23 Sept - Thu, 22 Oct
HKG
Hong Kong SAR
SFO
San Francisco
HK$5,417 Return, found 6 days ago
HK$5,417
Return
found 6 days ago
Select Cathay Pacific flight, departing Wed, 23 Sept from Hong Kong SAR to San Francisco, returning Thu, 22 Oct, priced at HK$5,417 found 6 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$5,417 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$5,417 and HK$6,371. If you were flying one way out of Hong Kong SAR (HKG), you could have picked up a bargain from just HK$3,449.
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$5,417 and HK$6,371. 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.

Book with confidence

About San Mateo County

Expedia offers flights to San Mateo County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to San Mateo County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About San Mateo County
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