$28 Cheap Flights to San Carlos, CA

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Popular airlines to San Carlos

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How much is the cheapest flight to San Carlos?

Prices were available within the past 7 days and start at $28 for one-way flights and $56 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Mar 17 - Tue, Mar 31
LAX
Los Angeles
SFO
San Francisco
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Mar 17 from Los Angeles to San Francisco, returning Tue, Mar 31, priced at $56 just found
American Airlines
Wed, Apr 15 - Sat, Apr 18
LAX
Los Angeles
SFO
San Francisco
$97 Roundtrip, just found
$97
Roundtrip
just found
Select American Airlines flight, departing Wed, Apr 15 from Los Angeles to San Francisco, returning Sat, Apr 18, priced at $97 just found
Delta
Sat, Apr 4 - Wed, Apr 8
LAX
Los Angeles
SFO
San Francisco
$97 Roundtrip, just found
$97
Roundtrip
just found
Select Delta flight, departing Sat, Apr 4 from Los Angeles to San Francisco, returning Wed, Apr 8, priced at $97 just found
United
Wed, Apr 1 - Wed, Apr 8
LAX
Los Angeles
SFO
San Francisco
$97 Roundtrip, just found
$97
Roundtrip
just found
Select United flight, departing Wed, Apr 1 from Los Angeles to San Francisco, returning Wed, Apr 8, priced at $97 just found
Southwest Airlines
Sat, Apr 4 - Wed, Apr 8
LAX
Los Angeles
SFO
San Francisco
$97 Roundtrip, just found
$97
Roundtrip
just found
Select Southwest Airlines flight, departing Sat, Apr 4 from Los Angeles to San Francisco, returning Wed, Apr 8, priced at $97 just found

Alternative airports near San Carlos

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

Select flight to San Francisco Intl. SFO. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $300
SFO
San Francisco Intl.
Cheapest
Average driving time to city center16 min
Flights from $300
Select flight to Norman Y. Mineta San Jose Intl. SJC. Average driving time to city center is 26 minutes. Flights from $470
SJC
Norman Y. Mineta San Jose Intl.
Average driving time to city center26 min
Flights from $470
Select flight to Oakland Intl. OAK. Average driving time to city center is 32 minutes. Flights from $349
OAK
Oakland Intl.
Average driving time to city center32 min
Flights from $349

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

February is typically the cheapest month to fly

From $158 - $481 per traveler.

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Frequently asked questions

What month is the cheapest to fly to San Carlos?
If you're planning a trip to San Carlos, September is the cheapest month to fly, with average fares around $433. This month is often less busy, which helps keep prices down. You can also find good deals in January, February, and April.*Prices based on flights available on Expedia in the last year.
Which US cities have the cheapest flights to San Carlos?
You can find some of the cheapest flights to San Carlos from these US cities:

  • San Bernardino (SBD)
  • Burbank (BUR)
  • San Diego (SAN)
  • Prescott (PRC)
  • Carlsbad (CLD, CNM)

with fares typically starting around $32.
Which US cities fly direct to San Carlos?
You can reach San Carlos via direct flights from many US cities. Here are the options by airport:To San Francisco Intl. (SFO)
  • New York (JFK)
  • Los Angeles (LAX)
  • Newark (EWR)
  • San Diego (SAN)
  • Seattle (SEA)

To Sacramento Intl. (SMF)
  • Los Angeles (LAX)
  • San Diego (SAN)
  • Seattle (SEA)
  • Las Vegas (LAS)
  • Burbank (BUR)

To Norman Y. Mineta San Jose Intl. (SJC)
  • Los Angeles (LAX)
  • San Diego (SAN)
  • Seattle (SEA)
  • Orange County (SNA)
  • Las Vegas (LAS)

How to find a cheap flight to San Carlos?
To find a cheap flight to San Carlos, be flexible with your dates. Traveling in the off-season or shoulder season can help you save. Mid-week flights are usually less expensive, too. Use flight search engines, like Expedia, to compare airlines, flight times and routes all in one place to find affordable rates. You may find that flights with layovers are cheaper than direct flights. You can also set up Price Tracking and receive alerts when fares go up or down.
Which airlines fly to San Carlos?
Several airlines offer flights to San Carlos:

  • Alaska Airlines
  • American Airlines
  • Delta
  • Delta Air Lines
  • Frontier Airlines
  • JetBlue Airways
  • United
  • United Airlines

Where do you fly into San Carlos?
If you're heading to San Carlos, you have several airport options:

  • The closest major airport is San Francisco, CA (SFO-San Francisco Intl.), about 12 miles from the city center, which is a hub for United, Alaska Airlines, and American Airlines, with other airlines like Delta, Cathay Pacific also operating here.
  • Sacramento, CA (SMF-Sacramento Intl.) is another option, about 94 miles away, serving as a hub for WN, United, and Alaska Airlines, with Delta, American Airlines also operating here.
  • San Jose, CA (SJC-Norman Y. Mineta San Jose Intl.), about 25 miles away, serving as a hub for WN, Alaska Airlines, and Delta, with American Airlines, United also operating here.
  • Oakland, CA (OAK-Oakland Intl.), about 15 miles away, serving as a hub for WN, Alaska Airlines, and Volaris, with Hawaiian Airlines, Delta also operating here.
  • Monterey, CA (MRY-Monterey Peninsula), about 69 miles away, serving as a hub for United, American Airlines, and Alaska Airlines, with OO, MQ also operating here.

What is the cheapest airport to fly to in San Carlos?
The most budget-friendly airport to fly into San Carlos is typically San Francisco, CA (SFO-San Francisco Intl.), which is about 12 miles from the city center. This proximity can make your travel more convenient.*Prices based on flights available on Expedia in the last year.
Which budget airlines fly to San Carlos?
Looking for affordable flights to San Carlos? There are 15 budget carriers to choose from, including:

  • Southwest Airlines: serves San Francisco (SFO), Oakland (OAK), San Jose (SJC), Sacramento (SMF)
  • Frontier Airlines: serves San Francisco (SFO), Oakland (OAK), San Jose (SJC), Sacramento (SMF)
  • JetBlue Airways: serves San Francisco (SFO), Sacramento (SMF)
  • Volaris: serves Oakland (OAK), San Jose (SJC), Sacramento (SMF)
  • Spirit Airlines: serves Oakland (OAK), San Jose (SJC), Sacramento (SMF)
  • WestJet: serves San Francisco (SFO), Oakland (OAK), San Jose (SJC), Sacramento (SMF)
  • Flair Airlines: flies to San Francisco (SFO)
  • Sun Country Airlines: flies to San Francisco (SFO)
  • Breeze: flies to San Francisco (SFO)

What is the best month to visit San Carlos?
The best month to visit San Carlos depends on your priorities, whether you want ideal weather, fewer crowds, or the lowest prices. If affordability matters most, look for cheap March flights outside of peak season.
How far in advance should I book a flight to San Carlos?
For domestic travel to San Carlos, booking around 1 month in advance typically offers lower prices. For international flights to San Carlos, aim to book around 1 month ahead if you want the best prices. For added peace of mind, use Expedia's Price Drop Protection™ when you make your booking. It's free to use for Gold and Platinum members on the Expedia app. Once a qualifying flight is purchased, we'll automatically check your flight on Expedia until the day of your departure and notify you if there are price changes. If your flight price drops after you book, we'll automatically award the price difference in OneKeyCash™* into your One Key account after your trip ends.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What day of the week is cheapest day to buy a plane ticket to San Carlos?
Saturday is typically the cheapest day to buy a plane ticket to San Carlos. This is likely because weekend travel tends to be less popular, allowing for better deals. If Saturday isn't an option, consider flying on Friday. Use Expedia's Price Tracking tool to monitor prices for your trip and receive alerts when fares go up or down.*Cheapest day to book based on flights available on Expedia in the last year.
What is the most expensive month to fly to San Carlos?
December is the most expensive month to fly to San Carlos, with average return ticket prices around $527. This is roughly 11% higher than the average price throughout the year, driven by holiday travel demand. For more budget-friendly options, consider visiting in September or October when prices are generally lower.*Prices based on flights available on Expedia in the last year.
How far is the airport from central San Carlos?
There are 2 airports serving San Carlos:

  • San Francisco, CA (SFO-San Francisco Intl.): 12 miles south
  • Oakland, CA (OAK-Oakland Intl.): 14 miles east

These options give you flexibility when planning your trip.
How can I track flight prices to San Carlos?
Our Price Tracking tool allows you to monitor fares to San Carlos. You can view flight price history and see predictions of future prices as available. When you're signed into your Expedia account, you can set up flight price alerts too. This way, you'll receive notifications when prices go up or down, so you know when it's the right time to book.
How to get a cheap last-minute flight to San Carlos?
It is possible to find cheap, last-minute flights to San Carlos, especially if you can be flexible with your dates, times and route. Whether you're planning a spontaneous getaway or need to travel for business, there are plenty of last-minute flight deals on Expedia. You can also bundle your flight and hotel for even more savings with a package deal.
Can I earn miles booking a flight to San Carlos with Expedia?
You can earn miles when booking a flight to San Carlos on Expedia. Before confirming your booking, just select the frequent flyer program name and enter your program number. For even more rewards, join One Key™—our free travel rewards program. One Key members earn OneKeyCash™* on eligible bookings for every dollar spent.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Can I save money by booking a San Carlos trip package?
Book a San Carlos flight and hotel package deal on Expedia, and you can make significant savings. It's simple to bundle your accommodations and flights, and you can also add car rentals and activities to create your own customized San Carlos trip. Plus, nothing beats the convenience of booking everything in the same place.
Can I change or cancel my flight to San Carlos?
It's often possible to cancel or change your flight to San Carlos using Expedia. Many airlines let you cancel your flights for free within 24 hours of booking. However, some flights are non-refundable, and airlines may offer to reschedule your flight rather than provide a direct refund. To find affordable flights to San Carlos with flexible change policies, select "No cancel fee" or "Changes included" when you search. Need more information? Visit our Customer Service Portal.

*Flight schedules are subject to change.

Book with confidence

Tips to find the cheapest flights to San Carlos

The cheapest day to fly

Get started finding a cheap flight to San Carlos 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

March is the cheapest month to fly to San Carlos. 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 Carlos. 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 Carlos, 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 Carlos

The lowest price for round-trip flights to San Carlos in 2026 starts from from $56, while one-way tickets start from from $28. 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 Carlos. 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 Carlos

Frontier Airlines, American Airlines, Alaska Airlines, Delta, United, Southwest Airlines are just some of the airlines that can typically offer cheap tickets to San Carlos. 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 Carlos and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for San Carlos, 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 Carlos. 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 Carlos 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 Carlos

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 Carlos.

Stopover savings

The cheapest tickets to San Carlos are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to San Carlos. 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 Carlos 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 Carlos. Simply download the free Expedia app to your smart device and activate San Carlos 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 Carlos. 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.

Tips to find the cheapest flights to San Carlos

Travel information

Destination airport
San Francisco Intl.
Destination airport IATA code
SFO
Destination city name
San Francisco
Roundtrip price
$56

Trending flights to San Carlos

Prices were available within the past 7 days and start at $28 for one-way flights and $56 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Mar 12 - Mon, Mar 16
LAS
Las Vegas
SFO
San Francisco
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Mar 12 from Las Vegas to San Francisco, returning Mon, Mar 16, priced at $56 just found

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*Available to One Key members.