$139 Cheap Delta flights San Diego (SAN) to Dayton (DAY)

Make use of the “Price (lowest to highest)” filter on Expedia to find cheap Delta Air Lines return flights from $267 from SAN to DAY. Affordable one-way options from $139 are available as well.**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.

January is one of the most affordable months to travel to Dayton with Delta Air Lines. You could also find great deals on return and one-way fares in February.

Look for affordable Delta Air Lines flights from San Diego Intl. Airport (SAN) to James M. Cox Dayton Intl. Airport (DAY) one to three months prior to your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and journey, the best day to book a domestic flight is usually Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Simply enter your dates, press search and tick the “Nonstop” filter on Expedia to browse any direct flights from SAN to DAY with Delta Air Lines or other carriers.

Find Delta Air Lines’s earliest flights from SAN to DAY by selecting our “Early Morning” and “Morning” filters. Not only will you get to your destination sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Delta Air Lines flights from San Diego Intl. Airport (SAN) to Dayton arrive at James M. Cox Dayton Intl. Airport (DAY). This is the main gateway here.

Taking off from SAN to DAY with Delta Air Lines means enjoying a variety of perks, including an excellent in-flight experience and a rewarding loyalty program. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That’s on top of the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are typically free within 24 hours of booking, but your airline may charge you after that time. For more details about altering your flights, head to your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to make changes without additional charges, tick the “No cancel fee” or “Changes included” filter when planning your next adventure.