$29 Cheap Flights to San Mateo, CA

Popular airlines to San Mateo

How much is the cheapest flight to San Mateo?

Prices were available within the past 7 days and start at $29 for one-way flights and $52 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
United
Spirit Airlines
Frontier Airlines
Hawaiian Airlines

Find the cheapest month to fly from Columbus (CMH) to San Francisco (SFO)

February is typically the cheapest month to fly

From $158 - $437 per traveler.

Graph displaying average flight prices per month

Alternative airports near San Mateo

Prices were available within the past 7 days. Prices and availability are subject to change.

Tips to find the cheapest flights to San Mateo

The cheapest day to fly

Get started finding a cheap flight to San Mateo on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

August is the cheapest month to fly to San Mateo. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to San Mateo. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to San Mateo, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to San Mateo

The lowest price for round-trip flights to San Mateo in 2025 starts from from $52, while one-way tickets start from from $29. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to San Mateo. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to San Mateo

Southwest Airlines, Spirit Airlines, Alaska Airlines, Delta, United, Frontier Airlines, Hawaiian Airlines are just some of the airlines that can typically offer cheap tickets to San Mateo. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to San Mateo and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for San Mateo, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to San Mateo. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your San Mateo plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to San Mateo

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to San Mateo.

Stopover savings

The cheapest tickets to San Mateo are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to San Mateo. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to San Mateo for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to San Mateo. Simply download the free Expedia app to your smart device and activate San Mateo flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to San Mateo. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

What month is the cheapest to fly to San Mateo?
Flights to San Mateo are typically the least expensive in August *. You could land a good deal for fares during this time if you keep your eyes peeled. *Cheapest month to fly is based on the month with the cheapest flight found on Expedia.com in the next 330 days.
Which US cities have the cheapest flights to San Mateo?
Los Angeles, San Diego and New York typically offer cheap flights to San Mateo. Remember that prices vary based on factors like demand, time of year and number of stopovers.
Which US cities fly direct to San Mateo?
Choose from 64 US destinations offering direct flights to San Mateo. While booking on Expedia, click on the "Direct flights only" filter to compare nonstop itineraries. Fly to San Mateo from any of these top cities:

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

How to find a cheap flight to San Mateo?
Book your trip early to snag cheap flights to San Mateo. Also, consider traveling during off-season months like December and January. If you leave on a Thursday, you can save 16% on average compared to those departing on a Sunday.* Save time searching every day and create a price alert on the Expedia app. We'll update you when fares change.*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.
How to get a cheap last-minute flight to San Mateo?
Being flexible with your plans may help you find last-minute offers on cheap flights to San Mateo. To view all the available options, try looking at different ticket types, changing your San Mateo trip dates, jetting out of an alternative airport or going with another airline.
How far in advance should I book a flight to San Mateo?
For some of the best deals on domestic journeys, book your flight to San Mateo 28 days ahead of your travel dates. For international flights, it's between two and four months in advance. This increases your chances of locking in your preferred departure dates, times and seats.**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.
Which day of the week is the cheapest day to buy a plane ticket to San Mateo?
You can generally get cheap flights to San Mateo on a Sunday. You can save around 8% on average compared to booking on a Friday, which is often the most expensive day to buy tickets.**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.
Which airlines fly to San Mateo?
There are 51 airlines connecting San Mateo with 121 airports all over the world. The primary gateway to this city is San Francisco Intl. Airport (SFO). Fly with any of these top airlines to San Mateo:

  • United Airlines
  • Alaska Airlines
  • American Airlines
  • Delta Air Lines

Where do you fly into San Mateo?
When flying to San Mateo, the main airport to touch down at is San Francisco Intl. Airport (SFO). You can also head to nearby hubs like Oakland Intl. Airport (OAK), Norman Y. Mineta San Jose Intl. Airport (SJC) or San Jose, CA (RHV-Reid Hillview). Another possibility to consider when you fly to San Mateo is San Carlos Airport (SQL).
How far is the airport from central San Mateo?
Touching down at San Francisco Intl. Airport (SFO) puts you around 5 mi northwest of the center of San Mateo.
Can I save money by booking a San Mateo trip package?
You could possibly save hundreds of dollars if you secure a San Mateo flight and hotel package deal on Expedia. And you'll make life easier by having all your travel arrangements in one place. Try bundling hotels and flights with extras like car rentals and tours for your own personalized San Mateo getaway.
Can I change or cancel my flight to San Mateo?
If you bought your flight to San Mateo within the last 24 hours, you can often change or cancel it without fees. After that, additional costs may apply depending on the airline's terms of service. To learn more, visit our Customer Service Portal. Remember that some flights are non-refundable, so you may be offered a credit for future travel instead of a direct refund. During your search on Expedia, select the "Changes included" or "No cancel fee" boxes to see fares with flexible change policies.
Flights to San Mateo information
Destination airport
San Francisco Intl.
Destination airport IATA code
SFO
Destination city name
San Francisco
Roundtrip price
$71

Trending flights to San Mateo

Prices were available within the past 7 days and start at $29 for one-way flights and $52 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines

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*Available to One Key members.