Cheap flights to San Mateo County

View €300 flight on Thu, 30 Apr 2026Opens in a new window

Popular airlines to San Mateo County

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  • Frontier Airlines

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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 €300 for one-way flights and €397 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Thu, 16 Apr - Tue, 21 Apr
DUB
Dublin
SFO
San Francisco
€397 Return, found 19 hours ago
€397
Return
found 19 hours ago
Select TAP Portugal flight, departing Thu, 16 Apr from Dublin to San Francisco, returning Tue, 21 Apr, priced at €397 found 19 hours ago
Scandinavian Airlines
Sun, 15 Feb - Thu, 19 Feb
DUB
Dublin
SFO
San Francisco
€408 Return, found 5 hours ago
€408
Return
found 5 hours ago
Select Scandinavian Airlines flight, departing Sun, 15 Feb from Dublin to San Francisco, returning Thu, 19 Feb, priced at €408 found 5 hours ago
Lufthansa
Wed, 18 Feb - Fri, 27 Feb
LHR
London
SFO
San Francisco
€416 Return, found 5 days ago
€416
Return
found 5 days ago
Select Lufthansa flight, departing Wed, 18 Feb from London to San Francisco, returning Fri, 27 Feb, priced at €416 found 5 days ago
British Airways
Mon, 2 Mar - Mon, 9 Mar
DUB
Dublin
SFO
San Francisco
€436 Return, found 6 hours ago
€436
Return
found 6 hours ago
Select British Airways flight, departing Mon, 2 Mar from Dublin to San Francisco, returning Mon, 9 Mar, priced at €436 found 6 hours ago
United
Mon, 2 Feb - Sun, 15 Feb
LHR
London
SFO
San Francisco
€437 Return, found 4 days ago
€437
Return
found 4 days ago
Select United flight, departing Mon, 2 Feb from London to San Francisco, returning Sun, 15 Feb, priced at €437 found 4 days ago
Austrian Airlines
Mon, 2 Feb - Sun, 15 Feb
LHR
London
SFO
San Francisco
€444 Return, found 4 days ago
€444
Return
found 4 days ago
Select Austrian Airlines flight, departing Mon, 2 Feb from London to San Francisco, returning Sun, 15 Feb, priced at €444 found 4 days ago
Brussels Airlines
Mon, 2 Feb - Sun, 15 Feb
LHR
London
SFO
San Francisco
€444 Return, found 4 days ago
€444
Return
found 4 days ago
Select Brussels Airlines flight, departing Mon, 2 Feb from London to San Francisco, returning Sun, 15 Feb, priced at €444 found 4 days ago
Air Canada
Thu, 5 Feb - Mon, 9 Feb
LHR
London
SFO
San Francisco
€444 Return, found 5 days ago
€444
Return
found 5 days ago
Select Air Canada flight, departing Thu, 5 Feb from London to San Francisco, returning Mon, 9 Feb, priced at €444 found 5 days ago
American Airlines
Sat, 7 Mar - Sun, 15 Mar
DUB
Dublin
SFO
San Francisco
€453 Return, found 5 hours ago
€453
Return
found 5 hours ago
Select American Airlines flight, departing Sat, 7 Mar from Dublin to San Francisco, returning Sun, 15 Mar, priced at €453 found 5 hours ago
Iberia
Thu, 23 Apr - Sat, 2 May
DUB
Dublin
SJC
San Jose
€485 Return, found 5 hours ago
€485
Return
found 5 hours ago
Select Iberia flight, departing Thu, 23 Apr from Dublin to San Jose, returning Sat, 2 May, priced at €485 found 5 hours ago

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.

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, €397 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 €397 and €485. If you were flying one way out of Dublin (DUB), you could have picked up a bargain from just €300.
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 €397 and €485. 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.

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.

TAP Portugal
Thu, 16 Apr - Tue, 21 Apr
DUB
Dublin
SFO
San Francisco
€397 Return, found 19 hours ago
€397
Return
found 19 hours ago
Select TAP Portugal flight, departing Thu, 16 Apr from Dublin to San Francisco, returning Tue, 21 Apr, priced at €397 found 19 hours ago
*Available to Expedia members.