Title: Cheap Flights to Lake San Marcos , CA from CA $145 - Expedia.ca ![Panoramic view of San Marcos community near the Lake San Marcos in San Diego, California](https://images.trvl-media.com/place/182988/b9205077-ee1c-43a7-8e21-bc6de9cd579f.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/182988/b9205077-ee1c-43a7-8e21-bc6de9cd579f.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights to Lake San Marcos , CA from CA $145 [View CA $145 flight on Fri, Mar 27, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:YXX,to:SAN,departure:27/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:144.68&airProductToken=AQpmCjEI16YBEgM0NzIY-L0BIJgWKO7eiAMwvN-IAzhFQABYAWoFQkFTSUNyCExUUUQwWkJXCjEI16YBEgQxNDgyGJgWIJJoKJjgiAMw5-GIAzhFQAFYAWoFQkFTSUNyCExUUUQwWkJXEgoIARABGAEqAldTGAEiBAgBEAEoAigDKAQwAQ) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Add a place to stay Direct flights only [Lake San Marcos Travel Guide](https://expedia.ca/Lake-San-Marcos.dx182988)[Hotels in Lake San Marcos](https://expedia.ca/Lake-San-Marcos-Hotels.d182988.Travel-Guide-Hotels)[Lake San Marcos Car Rentals](https://expedia.ca/Car-Rentals-In-Lake-San-Marcos.d182988.Car-Rental-Guide)[Lake San Marcos Vacation Packages](https://expedia.ca/Lake-San-Marcos.d182988.Destination-Travel-Guides) ## Popular airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Lake San Marcos, California, United States of America,departure:28/02/2026TANYT&leg2=from:Lake San Marcos, California, United States of America,to:CMH,departure:07/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Lake San Marcos, California, United States of America,departure:28/02/2026TANYT&leg2=from:Lake San Marcos, California, United States of America,to:CMH,departure:07/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Lake San Marcos, California, United States of America,departure:28/02/2026TANYT&leg2=from:Lake San Marcos, California, United States of America,to:CMH,departure:07/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Lake San Marcos, California, United States of America,departure:28/02/2026TANYT&leg2=from:Lake San Marcos, California, United States of America,to:CMH,departure:07/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Lake San Marcos, California, United States of America,departure:28/02/2026TANYT&leg2=from:Lake San Marcos, California, United States of America,to:CMH,departure:07/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Lake San Marcos, California, United States of America,departure:28/02/2026TANYT&leg2=from:Lake San Marcos, California, United States of America,to:CMH,departure:07/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Lake San Marcos, California, United States of America,departure:28/02/2026TANYT&leg2=from:Lake San Marcos, California, United States of America,to:CMH,departure:07/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## How much is the cheapest flight to Lake San Marcos? Prices were available within the past 7 days and start at CA $145 for one-way flights and CA $262 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif) Wed, Mar 4 - Wed, Mar 18 YXX Abbotsford SAN San Diego CA $262 Roundtrip found 15 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YXX,to:SAN,departure:04/03/2026TANYT&leg2=from:SAN,to:YXX,departure:18/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:261.49&airProductToken=AQpECiAI16YBEgM0NzIY-L0BIJgWKMrchgMwmN2GAzhFQABYAQogCNemARIEMTQ4MhiYFiCSaCj03YYDMMPfhgM4RUABWAEKRQogCNemARIEMTQ4MxiSaCCYFij3_IcDMMX-hwM4RUAAWAEKIQjXpgESBDM2ODcYmBYg-L0BKK3_hwMwooCIAzhFQAFYARIKCAEQARgBKgJXUxgBIgQIARABKAQwAQ) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Mon, May 4 - Tue, May 12 YVR Vancouver SAN San Diego CA $286 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YVR,to:SAN,departure:04/05/2026TANYT&leg2=from:SAN,to:YVR,departure:12/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:285.60&airProductToken=AQo0CjIIwYYBEgQ4NzY4GLiNASCSaCiSkIwDMMaRjAM4R0AAWAFqBUJBU0lDcghHTkE0QTRCQQo0CjIIwYYBEgQ4NzYzGJJoILiNASjT5YwDMJbnjAM4R0AAWAFqBUJBU0lDcghHTkE0QTRCQRIKCAEQARgBKgJBQxgBIgQIARABKAIoAygEMA0) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Mar 6 - Tue, Mar 10 YVR Vancouver SAN San Diego CA $294 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YVR,to:SAN,departure:06/03/2026TANYT&leg2=from:SAN,to:YVR,departure:10/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:293.21&airProductToken=AQpFCiEI1YIBEgQyMDg1GLiNASCDaSji94YDMJT5hgM4TkAAWAEKIAjVggESBDE4MzUYg2kgkmgo7fmGAzCL-4YDOE5AAVgBCkcKIQjVggESBDIwNTcYkmggi7gBKPufhwMwu6CHAzhOQABYAQoiCNWCARIEMjMxOBiLuAEguI0BKPqghwMwtqKHAzhOQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Wed, Apr 22 - Wed, May 13 YVR Vancouver SAN San Diego CA $303 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YVR,to:SAN,departure:22/04/2026TANYT&leg2=from:SAN,to:YVR,departure:13/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:302.45&airProductToken=AQpFCiEIxJgBEgQzNjMwGLiNASCSASibhYsDMO6FiwM4VkAAWAEKIAjEmAESBDI1NzIYkgEgkmgopYaLAzDSh4sDOFZAAVgBCkUKIAjEmAESBDExNzcYkmgg8hIo0vGMAzDN8owDOFZAAFgBCiEIxJgBEgQzNTg1GPISILiNASik9IwDMLb1jAM4VkABWAESCggBEAEYASoCREwYASIECAEQASgEMAE) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Thu, Apr 9 - Mon, Apr 13 YVR Vancouver CLD Carlsbad CA $305 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YVR,to:CLD,departure:09/04/2026TANYT&leg2=from:CLD,to:YVR,departure:13/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:304.89&airProductToken=AQqeAQozCMGCARIEMTA5ORi4jQEgo7EBKKzxiQMwrPOJAzhCQABYAWoFQkFTSUNyCE9VQUNaU0JWCjMIwYIBEgQxNjgxGKOxASDvuQEowfSJAzDh9YkDOEJAAVgBagVCQVNJQ3IIT1VBQ1pTQlYKMgjBggESBDQwMjEY77kBIOIaKOn2iQMwuPeJAzhCQAFYAWoFQkFTSUNyCE9VQUNaU0JWCp4BCjIIwYIBEgQ0MjA0GOIaIO-5ASjvoooDMMCjigM4QkAAWAFqBUJBU0lDcghPVUFDWlNCVgozCMGCARIEMzA0OBjvuQEgo7EBKIqnigMwmKiKAzhCQAFYAWoFQkFTSUNyCE9VQUNaU0JWCjMIwYIBEgQxNDE1GKOxASC4jQEo4KmKAzDsq4oDOEJAAVgBagVCQVNJQ3IIT1VBQ1pTQlYSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ## Find the cheapest month to fly from Columbus (CMH) to San Diego (SAN) ### January is typically the cheapest month to fly From CA $175 - CA $640 per traveller. ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.ca/deals?rfrr=FTG_SPRING_PROMO_) Expedia.ca gives you the best tools to secure great deals on flights to Lake San Marcos. Use our easy and convenient booking engine to browse nonstop flights and convenient departure points every day of the year. Search airfares from the top airlines to book your perfect flight to Lake San Marcos. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to Lake San Marcos. Using our booking engine is simple - just type in your points of travel and preferred dates and Expedia.ca does the rest! If your travel times are flexible, you can find even better bargains by adjusting your flight dates. Browse connecting flights to increase your chances of finding even lower fares. Thanks to Expedia's Best Price Guarantee, you can book your Lake San Marcos flights with full confidence knowing that you've found the best deal online. Expedia.ca makes the booking process easy and stress-free by offering support along the entire way. Our friendly staff is available 24 hours a day to provide assistance and help you book your ticket. Call us toll-free at 1-888-397-3342 to answer any questions that you may have about your trip to Lake San Marcos. Looking to save even more? Get additional savings by bundling your Lake San Marcos flight with a hotel and/or car rental to create a bargain travel package. Early birds can discover terrific savings by booking in advance while last minute travelers can enjoy great last minute deals. With Expedia.ca, there's no shortage of options to save even more on your Lake San Marcos trip! ## Frequently asked questions ### What is the name of Lake San Marcos' airport? ### How far is San Diego Airport from central Lake San Marcos? ### What airport is best to fly into Lake San Marcos? ### How many airlines fly to Lake San Marcos? ### Which airlines fly to Lake San Marcos? ### How many nonstop flights are there to Lake San Marcos? ### Where are the most popular flights to Lake San Marcos departing from? ### How long is the flight to Lake San Marcos Airport? ### How to book the cheapest flight to Lake San Marcos? ### Do you have any tips for my flight to Lake San Marcos? > - A plane ride can be a comfortable experience if you bring the right gear. First of all you'll need basic toiletry items, such as toothpaste, a toothbrush and some deodorant, a spare change of clothes and a magazine or two. Next, find a spot in your bag for your electronic devices, chargers, any daily medications and maybe a neck pillow too. Last, but definitely not least, remember 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 hair gel in your checked baggage. Any liquids or gels in your carry-on suitcase larger than 3.4 ounces (100 millilitres) will be confiscated by authorities. Pointed or sharp objects, like your beloved Swiss Army knife, and dangerous goods which are explosive or flammable, such as flares, chemicals agents and strong acids, are also restricted. > > > What to wear on a flight: > > > - Your aim here is to feel as comfortable as possible. Pick a pair of slip-on shoes, dress in loose, natural fibers and remember to bring a pullover in case it gets cold in the cabin. > - Caused by prolonged periods of inactivity, deep vein thrombosis (DVT) is a blood clot condition that can affect passengers during long-haul flights. Reduce the risks by staying hydrated, keeping your ankles and legs moving and wearing compression tights or socks. ### How to get through airport security fast when flying to Lake San Marcos? > - Be sure to have your ID and travel documents easily accessible. They'll be the first things you'll be asked for by security. > - After that, both you and your hand luggage must be X-rayed. To speed things up, take off anything that might trigger the alarms. Personal belongings like your coat, belt and earphones will be required to go through the machine. > - Your electronic gadgets like laptops and phones will also have to go on a tray for inspection. Don't worry, you'll be back online soon enough. > - Remove gels and liquids from your carry-on luggage. They often need to be sent through the X-ray separately. Each item should be no larger than 3.4 ounces (100 millilitres) and everything must fit in a quart-size (one litre), clear zip-lock bag. > - Choosing your footwear wisely can save you several minutes. Hiking or heavy-style boots are often required to be removed and X-rayed separately. Slip-on shoes are usually not. > - Airlines won't allow any sharp or pointed objects in your hand luggage. If you need to bring these kinds of items, pack them in your checked luggage. __Flights to Lake San Marcos information__ | Destination airport | San Diego Intl. | | ----------------------------- | --------------- | | Destination airport IATA code | SAN | | Destination city name | San Diego | | Roundtrip price | CA $261 | ## Trending flights to Lake San Marcos Prices were available within the past 7 days and start at CA $145 for one-way flights and CA $262 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif) Wed, Mar 4 - Wed, Mar 18 YXX Abbotsford SAN San Diego CA $262 Roundtrip found 15 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YXX,to:SAN,departure:04/03/2026TANYT&leg2=from:SAN,to:YXX,departure:18/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:261.49&airProductToken=AQpECiAI16YBEgM0NzIY-L0BIJgWKMrchgMwmN2GAzhFQABYAQogCNemARIEMTQ4MhiYFiCSaCj03YYDMMPfhgM4RUABWAEKRQogCNemARIEMTQ4MxiSaCCYFij3_IcDMMX-hwM4RUAAWAEKIQjXpgESBDM2ODcYmBYg-L0BKK3_hwMwooCIAzhFQAFYARIKCAEQARgBKgJXUxgBIgQIARABKAQwAQ) \*Available to Expedia members.