$139 Cheap Delta flights Raleigh (RDU) to San Diego (SAN)

View $139 flight on Sat, Jul 19, 2025Opens in a new window

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$139 Cheap Delta flights Raleigh (RDU) to San Diego (SAN)

Prices were available within the past 7 days and start at $139 for one-way flights and $277 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Jul 19 - Tue, Jul 22
RDU
Raleigh
SAN
San Diego
$277 Roundtrip, just found
$277
Roundtrip
just found
Select Delta flight, departing Sat, Jul 19 from Raleigh to San Diego, returning Tue, Jul 22, priced at $277 just found
Flights from Raleigh (RDU) to San Diego (SAN)
Origin airport
Raleigh - Durham Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Breeze Airways, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Popular airline
Alaska Airlines
Distance
2188 mi
Average flight time
5 hours 4 mins

Frequently asked questions

How much is a Delta Air Lines flight from Raleigh - Durham Intl. Airport (RDU) to San Diego Intl. Airport (SAN)?
Finding cheap one-way Delta Air Lines flights from RDU to SAN from $139 on Expedia couldn't be simpler --- just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares from $277 for your next exciting vacation.**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 RDU to SAN with Delta Air Lines?
Look for one-way or return flights to San Diego in January or November. You could find lower fares with Delta Air Lines during these off-peak travel months.
What is the cheapest time to book flights from Raleigh - Durham Intl. Airport (RDU) to San Diego Intl. Airport (SAN) with Delta Air Lines?
Look for cheap Delta Air Lines flights from Raleigh - Durham Intl. Airport (RDU) to San Diego Intl. Airport (SAN) one to three months ahead of your departure date. 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 type and journey, the best day of the week to book a domestic flight is usually Sunday and the most expensive 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.
Does Delta Air Lines fly nonstop from Raleigh - Durham Intl. Airport (RDU) to San Diego Intl. Airport (SAN)?
Enter your dates, press search and use the "Nonstop" filter on Expedia to browse any direct flights from RDU to SAN with Delta Air Lines or another carrier.
What is the earliest Delta Air Lines flight from RDU to SAN?
Sort your results by "Morning" and "Early Morning" to browse the earliest departures from RDU to SAN. Taking off early means you're 20% 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.
What airports does Delta Air Lines fly into in San Diego?
San Diego Intl. Airport (SAN) is the primary San Diego hub for Delta Air Lines flights from Raleigh - Durham Intl. Airport (RDU).
Why fly with Delta Air Lines from RDU to SAN?
Delta Air Lines makes traveling from RDU to SAN enjoyable with an excellent in-flight experience and a rewarding loyalty program. You could even start earning points with Delta SkyMiles. Don't forget to join Expedia's free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Raleigh - Durham Intl. Airport (RDU) to San Diego Intl. Airport (SAN)?
Depending on the type of fare you purchased, a fee generally applies if you change or cancel your booking more than 24 hours after it has been confirmed. To find plane tickets with more flexibility, select our "Changes included" or "No cancel fee" filter while searching for flights. For more details on modifying or canceling your reservation, go to "Trips," select your flight and tick "Manage Booking."

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