Cheap flights to San Mateo County

View €288 flight on Sun, 3 May 2026Opens in a new window

Popular airlines to San Mateo County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Alaska Airlines

    Alaska Airlines

  • Frontier Airlines

    Frontier Airlines

  • Southwest Airlines

    Southwest Airlines

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    JetBlue Airways

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Cheap round-trip flights to San Mateo County

Prices were available within the past 7 days and start at €288 for one-way flights and €393 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Tue, 10 Mar - Fri, 20 Mar
DUB
Dublin
SFO
San Francisco
€393 Return, just found
€393
Return
just found
Select TAP Portugal flight, departing Tue, 10 Mar from Dublin to San Francisco, returning Fri, 20 Mar, priced at €393 just found
Scandinavian Airlines
Thu, 5 Feb - Mon, 9 Feb
DUB
Dublin
SFO
San Francisco
€410 Return, found 1 hour ago
€410
Return
found 1 hour ago
Select Scandinavian Airlines flight, departing Thu, 5 Feb from Dublin to San Francisco, returning Mon, 9 Feb, priced at €410 found 1 hour ago
American Airlines
Tue, 17 Mar - Tue, 24 Mar
DUB
Dublin
SFO
San Francisco
€475 Return, found 3 days ago
€475
Return
found 3 days ago
Select American Airlines flight, departing Tue, 17 Mar from Dublin to San Francisco, returning Tue, 24 Mar, priced at €475 found 3 days ago
British Airways
Wed, 11 Feb - Wed, 18 Feb
DUB
Dublin
SFO
San Francisco
€477 Return, found 1 hour ago
€477
Return
found 1 hour ago
Select British Airways flight, departing Wed, 11 Feb from Dublin to San Francisco, returning Wed, 18 Feb, priced at €477 found 1 hour ago
British Airways
Wed, 28 Jan - Wed, 4 Feb
DUB
Dublin
SJC
San Jose
€482 Return, found 2 days ago
€482
Return
found 2 days ago
Select British Airways flight, departing Wed, 28 Jan from Dublin to San Jose, returning Wed, 4 Feb, priced at €482 found 2 days ago
TAP Portugal
Wed, 11 Mar - Mon, 16 Mar
FRA
Frankfurt
SFO
San Francisco
€484 Return, found 1 hour ago
€484
Return
found 1 hour ago
Select TAP Portugal flight, departing Wed, 11 Mar from Frankfurt to San Francisco, returning Mon, 16 Mar, priced at €484 found 1 hour ago
Aer Lingus
Fri, 16 Jan - Fri, 30 Jan
DUB
Dublin
SFO
San Francisco
€494 Return, just found
€494
Return
just found
Select Aer Lingus flight, departing Fri, 16 Jan from Dublin to San Francisco, returning Fri, 30 Jan, priced at €494 just found
KLM
Mon, 9 Mar - Mon, 23 Mar
DUB
Dublin
SFO
San Francisco
€502 Return, found 1 day ago
€502
Return
found 1 day ago
Select KLM flight, departing Mon, 9 Mar from Dublin to San Francisco, returning Mon, 23 Mar, priced at €502 found 1 day ago
Iberia
Sun, 10 May - Sun, 17 May
DUB
Dublin
SFO
San Francisco
€502 Return, found 2 hours ago
€502
Return
found 2 hours ago
Select Iberia flight, departing Sun, 10 May from Dublin to San Francisco, returning Sun, 17 May, priced at €502 found 2 hours ago
British Airways
Sat, 7 Feb - Mon, 23 Feb
FRA
Frankfurt
SJC
San Jose
€503 Return, found 3 days ago
€503
Return
found 3 days ago
Select British Airways flight, departing Sat, 7 Feb from Frankfurt to San Jose, returning Mon, 23 Feb, priced at €503 found 3 days 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, €393 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 €393 and €528. If you were flying one way out of Dublin (DUB), you could have picked up a bargain from just €288.
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 €393 and €528. 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
Tue, 10 Mar - Fri, 20 Mar
DUB
Dublin
SFO
San Francisco
€393 Return, just found
€393
Return
just found
Select TAP Portugal flight, departing Tue, 10 Mar from Dublin to San Francisco, returning Fri, 20 Mar, priced at €393 just found
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