A modern urban area with a central roundabout, surrounded by multi-story buildings, green spaces, and a hilly landscape in the background.

Cheap Flights to San Marcos

View AU$758 flight on Wed, 25 Nov 2026Opens in a new window

Popular airlines to San Marcos

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Cheap Tickets to San Marcos

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.

Delta
Air Canada
Alaska Airlines
United
Virgin Australia

Frequently asked questions

What is the name of San Marcos' airport?
San Marcos is served by just one airport, San Diego Intl. Airport (SAN).
How far is San Diego Intl. Airport (SAN) from central San Marcos?
The trip between SAN and downtown San Marcos is fairly long. You'll have to travel 48 kilometres before you can drop your bags at your hotel in the city.
What airport is best to fly into San Marcos?
A flight to San Marcos means landing at San Diego Airport. Jump off the plane, pick up your bags and you'll be 48 kilometres from the downtown streets.
How many airlines fly to San Marcos?
There are 18 airlines that service San Marcos from 67 worldwide airports.
Which airlines fly to San Marcos?
Southwest Airlines, Spirit Airlines and Delta fly the most frequently to San Marcos. The highest number of flights come in from Las Vegas, with Southwest Airlines offering the most services on this route.
How many nonstop flights are there to San Marcos?
Flying to someplace new is much more straightforward when there aren't any annoying stopovers. If you're off to San Marcos, the fantastic news is that there are approximately 1,700 nonstop flights operating every week.
Where are the most popular flights to San Marcos departing from?
The most popular flights to San Marcos take off from Las Vegas, San Francisco and Phoenix airports.
How long is the flight to San Marcos Airport?
Which city you depart from determines how long you'll be strapped into your seat. From Las Vegas to San Marcos, the average flight time is 1 hour and 14 minutes. From San Francisco it takes about 1 hour and 36 minutes, and from Phoenix it's 1 hour and 17 minutes.
How to book the cheapest flight to San Marcos?
We've all come across those lucky travellers who somehow manage to pick up impossibly cheap plane tickets whenever they fly. Would you like to know how to do it for your San Marcos holiday? Don't leave it until the last possible moment to lock in your flight. Another fantastic way to land the most competitive fare is to research all options. If where you're headed has multiple airports, don't forget to research the cost of flying into a smaller terminal. And finally, remember that it's first in, best dressed. Know what a typical airfare costs and be ready to reserve your seat as soon as you spot a bargain. The sweetest deals don't last long.
Do you have any tips for my flight to San Marcos?
We've pulled together all the info you need to make your flight as pain-free as possible. Follow our tips and you'll be cruising through the airport and enjoying San Marcos in no time flat. What to pack in your hand luggage:
  • A plane ride can be a great experience if you've got all the right things. Firstly, you'll want some basic toiletries, such as deodorant and a toothbrush, a spare pair of socks and something to read. Next, leave space in your hand luggage for your phone and charger, your important medications and perhaps a comfy neck pillow as well. Lastly, and most importantly, be sure to take your passport, travel documents and some money.
Do not pack the following items in your hand luggage:
  • Leave all your full-sized bottles of shampoo and hairspray in your checked baggage. Any liquids or gels in your carry-on suitcase larger than 3.4 ounces (100 millilitres) will be confiscated by security. Pointed or sharp objects, like your treasured pocket knife, and dangerous goods which are flammable or explosive, such as aerosols and matches, are also not allowed.
What to wear on a flight:
  • Your goal here is to be as comfortable as possible. Go for a pair of slip-on shoes, dress in loose, natural-fibre clothing and don't forget to bring a sweater in case it gets cold in the cabin.
  • Deep vein thrombosis (DVT) is a risk on long-haul flights. It results from blood clotting due to poor circulation, so do some gentle leg and foot exercises in your seat and consider wearing compression socks.
How to get through airport security fast when flying to San Marcos?
A little pre-planning before you get to the airport will help make your trip to San Marcos a piece of cake. Check out our handy tips for a stress-free journey past security:
  • Keep your boarding pass and passport someplace easily accessible. They'll be the first things you'll be asked to show at airport security.
  • The X-ray machine comes next. Remove anything metal on you that is likely to set off the scanner's alarm. This includes items like headphones or earphones, as well as heavy coats or jackets. They'll need to be placed on the conveyor belt for screening.
  • Your electronic gadgets like laptops and phones will also have to go through the machine to be scanned. Don't worry, you'll be back online before you know it.
  • Remember to remove liquids and gels from your carry-on luggage. They usually need to be sent through the X-ray machine separately. Each product should be in a container no larger than 3.4 ounces (100 millilitres) and everything must fit in a quart-size (one litre), clear zip-lock bag.
  • The right choice of footwear can save you a few precious minutes. Boots and bulky shoes are often required to be removed and separately scanned. Slip-on sneakers are usually not.
  • Avoid taking prohibited items in your carry-on bag. If you have any sharp objects like a pocket knife or tools, put them in your checked suitcase. They won't be allowed on board.

Book with confidence

San Marcos Flights

Have the time of your life in San Marcos

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Tips for flying and packing light

If it’s been a while since you’ve travelled, you might be due for a refresher when it comes to flying. That’s where our helpful blog, Out There Starts Here, comes in. Wondering whether to pack for fine dining or more casual eats? Or whether you really need to bring a jacket? Written by seasoned travel experts, the articles on our blog provide you with the latest details about certain destinations, so you know just what to expect. Check out some of our recent articles for the smartest ways to see the sights.

Fly for less when you bundle airfare and accommodation

Our already low airfares are even more affordable when you bundle your flights with a stay at one of the hotels in San Marcos. By booking all of your travel plans with us, you’ll save time and money, and enjoy the convenience of having all of your arrangements in one place.

Get the power of planning in the palm of your hand

Booking your trip to San Marcos, California has never been easier than when you use our mobile app to plan your dream getaway. The Expedia App is available on both Android and iOS, allowing you to reserve flights and hotels at any time of day, no matter what kind of phone you use. You’ll also get exclusive offers, receive flight updates, and can earn extra points. Wherever you are, the Expedia App helps you get where you want to be.

Join the Expedia Rewards Program

If you enjoy the finer things in life, sign up for our rewards program to receive exclusive benefits when you book with us. Expedia Rewards opens the door to member-only deals, +VIP Access hotel benefits, and earning Expedia Rewards points, that you can redeem your way. You’ll also get access to Unreal Deals that could save you the price of a plane ticket to San Marcos when bundled with your accommodation.

What are you waiting for?

Expedia.com.au helps you find cheap flights to San Marcos AU$1,289. So why wait another second to begin planning your trip? Start your search right now, and you could be boarding the next San Marcos-bound flight. Bon voyage!

San Marcos Flights

Travel information

Destination airport
San Diego Intl.
Destination airport IATA code
SAN
Destination city name
San Diego
Roundtrip price
AU$1,288

Trending flights to San Marcos

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.

Delta

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