$105 Cheap Delta flights Redmond (RDM) to San Diego (SAN)

Grab budget-friendly return Delta Air Lines flights from $199 from RDM to SAN by filtering your results from “Price (lowest to highest)” on Expedia. Or search for options from $105 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.

Delta Air Lines flights to San Diego are typically more affordable in the quieter months of January and November. Whether you’re after a return or one-way ticket, you could land a better deal then.

Start searching one to three months before your departure to score cheaper fares on Delta Air Lines flights from Robert’s Field Airport (RDM) to San Diego Intl. Airport (SAN). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing right, and you can enjoy significant savings on domestic trips.*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.

Click on the “Nonstop” filter when searching for direct Delta Air Lines flights from RDM to SAN. You can also compare other airlines offering the same nonstop trip.

Filter your results by “Morning” and “Early Morning” to find the earliest departures from RDM to SAN. Heading off early means you’re less likely to experience cancellations.**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.

San Diego Intl. Airport (SAN) is the primary San Diego hub for Delta Air Lines flights from Robert’s Field Airport (RDM).

Flying from RDM to SAN with Delta Air Lines comes with a host of benefits, such as an excellent in-flight experience and a rewarding loyalty program. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to spend 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 generally free within 24 hours of making your booking, but your airline may add a charge after that. For more details about modifying your flights, check out your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to change your plans without extra charges, tick the “Changes included” or “No cancel fee” filter when planning your next getaway.