$139 Cheap Delta flights San Diego (SAN) to Newark Liberty Intl. Airport (EWR)

Landing cheap one-way Delta Air Lines flights from SAN to EWR from $139 on Expedia is a cinch — just filter by “Price (lowest to highest).” Or check out our affordable return fares from $277 for your next 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.

Browse for return or one-way flights to Newark in January or February. You could find a cheap fare with Delta Air Lines during these off-peak months.

For cheap Delta Air Lines fares from San Diego Intl. Airport (SAN) to Liberty Intl. Airport (EWR), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect the overall price. Sunday is typically the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking on a Sunday.**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.

To find out if there’s a direct journey from SAN to EWR with Delta Air Lines or any other carriers, check the “Nonstop” filter when looking for flights.

Sort your results by “Early Morning” and “Morning” to browse the earliest flights from SAN to EWR. Leaving early means flight cancellations are less likely.**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.

Liberty Intl. Airport (EWR) is the main Newark gateway for Delta Air Lines flights from San Diego Intl. Airport (SAN).

Flying from SAN to EWR with Delta Air Lines comes with plenty of perks, including an excellent in-flight experience and a rewarding loyalty program. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to use on select future travel purchases. That’s in addition to 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 booking, but your airline may add a charge after that. For more details about altering your reservation, check out your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to make changes without additional charges, check the “No cancel fee” or “Changes included” filter when planning your next trip.