Title: CA $340 Cheap United fights from Knoxville to San Diego - Expedia.ca ![](https://images.trvl-media.com/place/3073/476a7863-1b66-47b5-9758-1dc7b3787493.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $340 Cheap United fights from Knoxville (TYS) to San Diego (SAN) [View CA $340 flight on Sat, Nov 1, 2025](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:TYS,to:SAN,departure:01/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:339.50&airProductToken=AQpFCiEI1YIBEgQ1OTIxGJOWASCuHCi69fsCMLX2-wI4S0AAWAEKIAjVggESBDI0MTcYrhwgkmgowPj7AjDQ-vsCOEdAAVgBEgoIARABGAEqAlVBGAEiBAgBEAEoBDAB) - [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 Returning Add a place to stay Add a car Direct flights only ![notification illustration](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\* ![deals illustration](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\* ![trophy illustration](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) ## United flights from Knoxville to San Diego (TYS→SAN) Prices were available within the past 7 days and start at CA $340 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ## Frequently asked questions ### How much is a United Airlines flight from McGhee Tyson Airport (TYS) to San Diego Intl. Airport (SAN)? > Scoring cheap one-way United Airlines flights from TYS to SAN from CA $340 on Expedia is easy — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares for your next exciting getaway.\**\*These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.* ### What is the cheapest month to fly from TYS to SAN with United Airlines? > Look for one-way or round-trip flights to San Diego in January or November. You could find an affordable fare with United Airlines during these off-peak times. ### Does United Airlines fly nonstop from McGhee Tyson Airport (TYS) to San Diego Intl. Airport (SAN)? > To figure out if there's a direct journey from TYS to SAN with United Airlines or another carrier, use our "Nonstop" filter when browsing for tickets. ### What airports does United Airlines fly into in San Diego? > Hop on a United Airlines flight from McGhee Tyson Airport (TYS) to San Diego, and you'll most likely land at San Diego Intl. Airport (SAN). This is the airline's main hub in this city. ### Can I change or cancel my United Airlines flight from McGhee Tyson Airport (TYS) to San Diego Intl. Airport (SAN)? > Changes are generally free within 24 hours of making a booking, but your airline may charge you after that. For more details about altering your reservation, go to your "[Trips](https://www.expedia.ca/trips)," select your flight and click on "Manage Booking." If you want the flexibility to change your itinerary without being charged, apply the "Changes included" and "No cancel fee" filters when planning your next trip. ## Travel information | Origin airport | McGhee Tyson | | --- | --- | | Destination airport | San Diego Intl. | | Distance | 3038 km | \*Available to Expedia members.