Title: Cheap Flights from Dayton to San Diego (DAY to SAN) - Expedia.co.uk ![](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 Flights from Dayton (DAY) to San Diego (SAN) - [Return](?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 ## Popular airlines from Dayton Intl. Airport (DAY) to San Diego Intl. Airport (SAN) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:day,to:san,departure:01/10/2025TANYT&leg2=from:san,to:day,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:day,to:san,departure:01/10/2025TANYT&leg2=from:san,to:day,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:day,to:san,departure:01/10/2025TANYT&leg2=from:san,to:day,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:day,to:san,departure:01/10/2025TANYT&leg2=from:san,to:day,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) ![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 25% 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.co.uk/login) ## Find the cheapest month to fly from Dayton (DAY) to San Diego (SAN) ### May is typically the cheapest month to fly From £173 - £513 per traveller. ## Frequently asked questions ### How much is a flight from DAY to San Diego Intl. Airport (SAN)? > Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight from Dayton Intl. Airport to SAN was . Fares this good don't hang around, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from James M. Cox Dayton Intl. Airport (DAY) to San Diego Airport? > The majority of flights can be cancelled online, but each air carrier has its own set of terms and conditions. If you do have to cancel your flight, check out our [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033) and follow the instructions. ### How do I find cheap flights from DAY to SAN that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for James M. Cox Dayton Intl. Airport (DAY) to SAN flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Dayton Intl. Airport to SAN? > Expect to be cruising at altitude for a while, as the flight distance between Vandalia and San Diego is 3,000 kilometres. Put together a playlist of your favourite tunes before you leave home to keep yourself entertained during your journey. ### Which airlines fly direct from DAY to San Diego Airport? > Unfortunately, there aren't any airlines that fly directly between DAY and San Diego Intl. Airport (SAN). You'll have to book a flight with one or more stops. ### Are Dayton Intl. Airport to San Diego Airport flight tickets cheaper when they're purchased at the last minute? > Flight prices are always on the move, so it's no sure thing. While last-minute flight deals between James M. Cox Dayton Intl. Airport (DAY) and San Diego Intl. Airport (SAN) are possible, it's also a good idea to monitor prices well before you fly. In fact, some air carriers advertise their prices up to 12 months before the departure date. Expedia is continuously updating the biggest bargains around, so keep checking and be ready to grab your seat when the fares dip. ## Travel information | Origin airport | James M. Cox Dayton Intl. | | --- | --- | | Destination airport | San Diego Intl. | | Distance | 3023 km | ## Book with confidence ### Compare flights from Dayton to San Diego easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Dayton to San Diego. Operating between them flights per day, airlines cover the route. And fly direct, getting you to San Diego Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from James M. Cox Dayton Intl. to San Diego Intl..   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from James M. Cox Dayton Intl. (DAY) to San Diego Intl. (SAN) The easiest way to view the best deals on flights from Dayton to San Diego today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from James M. Cox Dayton Intl. to San Diego Intl. start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Dayton and San Diego - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Dayton to San Diego flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from James M. Cox Dayton Intl. to San Diego Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Explore a world of travel with Expedia - Flights - [Flights from Albuquerque (ABQ) to Carlsbad (CLD)](https://www.expedia.co.uk/lp/flights/abq/cld/albuquerque-to-carlsbad) - [Flights from Auckland (AKL) to San Diego (MYF)](https://www.expedia.co.uk/lp/flights/akl/myf/auckland-to-san-diego) - [Flights from Alice (ALI) to San Diego (MYF)](https://www.expedia.co.uk/lp/flights/ali/myf/alice-to-san-diego) - [Flights from Amsterdam (AMS) to San Diego (MYF)](https://www.expedia.co.uk/lp/flights/ams/myf/amsterdam-to-san-diego) - [Flights from Amsterdam (AMS) to San Diego (SDM)](https://www.expedia.co.uk/lp/flights/ams/sdm/amsterdam-to-san-diego) - [Flights from Atlanta (ATL) to San Diego (MYF)](https://www.expedia.co.uk/lp/flights/atl/myf/atlanta-to-san-diego) - [Flights from Tucson (AVW) to San Diego (SDM)](https://www.expedia.co.uk/lp/flights/avw/sdm/tucson-to-san-diego) - 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