Cheap Flights to San Mateo County | Popular Routes to San Mateo County from HK$466

View HK$466 flight on Tue, 5 May 2026Opens in a new window

Popular airlines to San Mateo County

  • Alaska Airlines

  • Frontier Airlines

  • American Airlines

  • Delta

  • United

  • JetBlue Airways

  • Southwest Airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to San Mateo County

Prices were available within the past 7 days and start at HK$466 for one-way flights and HK$1,201 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 19 May - Wed, 20 May
LAX
Los Angeles
SFO
San Francisco
HK$1,201 Return, found 1 day ago
HK$1,201
Return
found 1 day ago
Select Delta flight, departing Tue, 19 May from Los Angeles to San Francisco, returning Wed, 20 May, priced at HK$1,201 found 1 day ago
Alaska Airlines
Wed, 29 Apr - Sat, 2 May
LAX
Los Angeles
SFO
San Francisco
HK$1,233 Return, found 5 days ago
HK$1,233
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 29 Apr from Los Angeles to San Francisco, returning Sat, 2 May, priced at HK$1,233 found 5 days ago
Delta
Mon, 20 Apr - Tue, 21 Apr
LAX
Los Angeles
SFO
San Francisco
HK$1,309 Return, found 3 days ago
HK$1,309
Return
found 3 days ago
Select Delta flight, departing Mon, 20 Apr from Los Angeles to San Francisco, returning Tue, 21 Apr, priced at HK$1,309 found 3 days ago
United
Tue, 19 May - Wed, 20 May
LAX
Los Angeles
SFO
San Francisco
HK$1,470 Return, found 1 day ago
HK$1,470
Return
found 1 day ago
Select United flight, departing Tue, 19 May from Los Angeles to San Francisco, returning Wed, 20 May, priced at HK$1,470 found 1 day ago
American Airlines
Tue, 19 May - Wed, 20 May
LAX
Los Angeles
SFO
San Francisco
HK$1,470 Return, found 1 day ago
HK$1,470
Return
found 1 day ago
Select American Airlines flight, departing Tue, 19 May from Los Angeles to San Francisco, returning Wed, 20 May, priced at HK$1,470 found 1 day ago
Delta
Mon, 27 Apr - Mon, 4 May
LAX
Los Angeles
SJC
San Jose
HK$1,502 Return, found 1 day ago
HK$1,502
Return
found 1 day ago
Select Delta flight, departing Mon, 27 Apr from Los Angeles to San Jose, returning Mon, 4 May, priced at HK$1,502 found 1 day ago
Delta
Mon, 20 Apr - Wed, 22 Apr
LAX
Los Angeles
OAK
Oakland
HK$4,388 Return, found 2 days ago
HK$4,388
Return
found 2 days ago
Select Delta flight, departing Mon, 20 Apr from Los Angeles to Oakland, returning Wed, 22 Apr, priced at HK$4,388 found 2 days ago
Delta
Wed, 10 Jun - Sun, 12 Jul
HKG
Hong Kong SAR
SFO
San Francisco
HK$5,558 Return, found 4 days ago
HK$5,558
Return
found 4 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 4 days ago
Air Canada
Fri, 12 Jun - Wed, 22 Jul
HKG
Hong Kong SAR
SFO
San Francisco
HK$6,172 Return, found 4 days ago
HK$6,172
Return
found 4 days ago
Select Air Canada flight, departing Fri, 12 Jun from Hong Kong SAR to San Francisco, returning Wed, 22 Jul, priced at HK$6,172 found 4 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

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 4 days ago
HK$5,558
Return
found 4 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 4 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$1,201 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$1,201 and HK$6,218. If you were flying one way out of Los Angeles (LAX), you could have picked up a bargain from just HK$466.
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$1,201 and HK$6,218. 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

Explore a world of travel with Expedia

*Available to Expedia members.