Cheap Flights to San Mateo County from $26

The cheapest month to fly to San Mateo County is November when demand is low. Off-peak months are often when you'll find cheap flights. To save money, avoid flying during public holidays and school breaks.

Land cheap flights to San Mateo County from Los Angeles, San Diego and New York. These cities typically offer the lowest fares to this exciting destination. But keep in mind that holiday periods, stopovers and demand also influence rates, so remain flexible and book when you see a bargain.

Take your pick of 64 US destinations providing direct flights to San Mateo County. While booking on Expedia, check "Direct flights only" to find nonstop itineraries. Fly to San Mateo County from any of these top cities:

• Los Angeles
• San Diego
• New York
• Seattle
• Las Vegas

Book in advance or search for cheap flights to San Mateo County during the low season, such as February and April. Flying off on a Thursday can also save you 16% on average compared to a Sunday departure.* The Expedia app makes it even easier to know when to book. Just activate the toggle for "Watch prices" and you'll get notified when fares drop.

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

Staying flexible about your plans may help you to secure last-minute deals on cheap flights to San Mateo County. To view all the available options, consider looking at different ticket types, changing your San Mateo County vacation dates, jetting out of an alternative airport or using another airline.

Secure the travel dates you want and a fare that suits your budget by booking your domestic flight to San Mateo County up to 28 days in advance. Search for tickets two to four months ahead if you're jetting to San Mateo County from an international destination.*

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

You can save an average of 8% if you purchase plane tickets on a Sunday instead of Fridays, which tend to be the most expensive day to book.* When it comes to scoring a cheap flight to San Mateo County, the key is good timing.

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

Reserve your seat with one of these airlines and the exciting region of San Mateo County will be all yours to discover:

• United Airlines - 5,259 flights to San Mateo County each month, including 5,259 flights to San Francisco Intl. Airport (SFO) per month.
• Alaska Airlines - 2,197 flights to San Mateo County each month, including 2,197 flights to San Francisco Intl. Airport (SFO) per month.
• Delta Air Lines - 1,196 flights to San Mateo County each month, including 1,196 flights to San Francisco Intl. Airport (SFO) per month.

If you're flying to San Mateo County, the main airport to touch down at is San Francisco Intl. Airport (SFO). You can also jet into nearby hubs like Oakland Intl. Airport (OAK), Norman Y. Mineta San Jose Intl. Airport (SJC) or San Jose, CA (RHV-Reid Hillview). An additional option to consider when you fly to San Mateo County is San Carlos Airport (SQL).

Book a San Mateo County, California flight and hotel package deal on Expedia, and you can make significant savings. It's easy to bundle your flight and hotel, and you can add car rentals and activities to create your own personalized San Mateo County break. Plus, there's nothing like the convenience of booking everything in the same place.

You can often change or cancel your flight to San Mateo County within 24 hours of booking. However, keep in mind that some flights are non-refundable. In those cases, you may be issued credit for a future flight rather than a direct refund. Make sure you check the airline's terms of service in your itinerary for specific details. Use Expedia's "Changes included" or "No cancel fee" filters when you search to find cheap flights to San Mateo County with flexible change policies. For additional information, head to our Customer Service Portal.