Title: Cheap Delta fights from Dayton 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://images.trvl-media.com/place/3073/476a7863-1b66-47b5-9758-1dc7b3787493.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Delta fights from Dayton (DAY) to San Diego (SAN) - [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) Flight from Dayton to San Diego (DAY - SAN) route information | Origin airport | James M. Cox Dayton Intl. | | --- | --- | | Destination airport | San Diego Intl. | | Distance | 3023 km | ## Frequently asked questions ### How much is a Delta Air Lines flight from James M. Cox Dayton Intl. Airport (DAY) to San Diego Intl. Airport (SAN)? > You can discover affordable round-trip Delta Air Lines flights from DAY to SAN by organizing your results from "Price (lowest to highest)" on Expedia. Or look for options for a one-way journey.\**\*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 DAY to SAN with Delta Air Lines? > Delta Air Lines flights to San Diego are usually more affordable in the low-season months of January and November. Whether you need a return or one-way ticket, you could land a better deal then. ### Does Delta Air Lines fly nonstop from James M. Cox Dayton Intl. Airport (DAY) to San Diego Intl. Airport (SAN)? > Click on the "Nonstop" filter when looking for direct Delta Air Lines flights from DAY to SAN. It's also a good way to compare other carriers offering the same nonstop journey. ### What airports does Delta Air Lines fly into in San Diego? > Delta Air Lines flights from James M. Cox Dayton Intl. Airport (DAY) to San Diego come in to land at San Diego Intl. Airport (SAN). This is the main entry point here. ### Can I change or cancel my Delta Air Lines flight from James M. Cox Dayton Intl. Airport (DAY) to San Diego Intl. Airport (SAN)? > In most cases, you can modify or cancel your flight, although there may be additional fees if you booked over 24 hours ago. Prefer to keep your options open? Make use of Expedia's "No cancel fee" or "Changes included" filter to find flights that won't charge you extra if you have to revise your plans. 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