A lighthouse on a cliff by the sea during sunset.

Flight Destinations in San Mateo County

View ฿2,595 flight on Wed, 19 Aug 2026Opens in a new window

Flight 1

Flight 2

Popular airlines to San Mateo County

  • Alaska Airlines

  • Frontier Airlines

  • JetBlue Airways

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% 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 ฿2,595 for one-way flights and ฿4,975 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 23 Sept - Wed, 23 Sept
SEA
Seattle
SFO
San Francisco
฿4,975 Return, found 5 days ago
฿4,975
Return
found 5 days ago
Select Delta flight, departing Wed, 23 Sept from Seattle to San Francisco, returning Wed, 23 Sept, priced at ฿4,975 found 5 days ago
Delta
Thu, 6 Aug - Mon, 10 Aug
SEA
Seattle
SJC
San Jose
฿6,035 Return, found 10 hours ago
฿6,035
Return
found 10 hours ago
Select Delta flight, departing Thu, 6 Aug from Seattle to San Jose, returning Mon, 10 Aug, priced at ฿6,035 found 10 hours ago
United
Wed, 15 Jul - Wed, 29 Jul
SEA
Seattle
SFO
San Francisco
฿7,790 Return, found 4 days ago
฿7,790
Return
found 4 days ago
Select United flight, departing Wed, 15 Jul from Seattle to San Francisco, returning Wed, 29 Jul, priced at ฿7,790 found 4 days ago
American Airlines
Thu, 17 Sept - Wed, 23 Sept
SEA
Seattle
SFO
San Francisco
฿8,890 Return, found 1 day ago
฿8,890
Return
found 1 day ago
Select American Airlines flight, departing Thu, 17 Sept from Seattle to San Francisco, returning Wed, 23 Sept, priced at ฿8,890 found 1 day ago
Alaska Airlines
Thu, 22 Oct - Sat, 31 Oct
PAE
Seattle
SFO
San Francisco
฿10,090 Return, found 5 days ago
฿10,090
Return
found 5 days ago
Select Alaska Airlines flight, departing Thu, 22 Oct from Seattle to San Francisco, returning Sat, 31 Oct, priced at ฿10,090 found 5 days ago
Delta
Thu, 9 Jul - Tue, 14 Jul
SEA
Seattle
OAK
Oakland
฿10,445 Return, found 1 day ago
฿10,445
Return
found 1 day ago
Select Delta flight, departing Thu, 9 Jul from Seattle to Oakland, returning Tue, 14 Jul, priced at ฿10,445 found 1 day ago
United
Thu, 6 Aug - Wed, 12 Aug
AUS
Austin
SJC
San Jose
฿11,835 Return, found 1 day ago
฿11,835
Return
found 1 day ago
Select United flight, departing Thu, 6 Aug from Austin to San Jose, returning Wed, 12 Aug, priced at ฿11,835 found 1 day ago
Asiana Airlines
Mon, 24 Aug - Thu, 3 Sept
HND
Tokyo
SFO
San Francisco
฿40,185 Return, found 5 days ago
฿40,185
Return
found 5 days ago
Select Asiana Airlines flight, departing Mon, 24 Aug from Tokyo to San Francisco, returning Thu, 3 Sept, priced at ฿40,185 found 5 days ago
Philippine Airlines
Thu, 15 Oct - Mon, 26 Oct
HND
Tokyo
SFO
San Francisco
฿40,215 Return, found 3 days ago
฿40,215
Return
found 3 days ago
Select Philippine Airlines flight, departing Thu, 15 Oct from Tokyo to San Francisco, returning Mon, 26 Oct, priced at ฿40,215 found 3 days ago
Air India
Thu, 15 Oct - Mon, 26 Oct
HND
Tokyo
SFO
San Francisco
฿40,700 Return, found 3 days ago
฿40,700
Return
found 3 days ago
Select Air India flight, departing Thu, 15 Oct from Tokyo to San Francisco, returning Mon, 26 Oct, priced at ฿40,700 found 3 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.

Korean Air
Wed, 16 Sept - Wed, 30 Sept
BKK
Bangkok
SFO
San Francisco
฿26,365 Return, just found
฿26,365
Return
just found
Select Korean Air flight, departing Wed, 16 Sept from Bangkok to San Francisco, returning Wed, 30 Sept, priced at ฿26,365 just found

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, ฿4,975 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 ฿4,975 and ฿40,700. If you were flying one way out of Seattle (SEA), you could have picked up a bargain from just ฿2,595.
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.
How much is a plane ticket to San Mateo County?
In the last seven days, airfares to San Mateo County varied between ฿4,975 and ฿40,700. 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
*Available to Expedia members.