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฿3,245 Cheap Delta flights from Denver to San Diego (DEN→SAN)

View ฿3,245 flight on Tue, 13 Oct 2026Opens in a new window

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Delta flights from Denver to San Diego (DEN→SAN)

Prices were available within the past 7 days and start at ฿3,245 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Denver (DEN) to San Diego (SAN)

September is typically the cheapest month to fly

From ฿2,205 - ฿3,509 per traveller.

Frequently asked questions

How much is a Delta Air Lines flight from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN)?
Scoring cheap one-way Delta Air Lines flights from DEN to SAN from ฿3,245 on Expedia couldn't be easier — just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares for your next break.**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 DEN to SAN with Delta Air Lines?
Delta Air Lines flights to San Diego tend to be cheaper in the off-peak months of January and November. Whether you're after a one-way or round-trip ticket, you could find a better deal then.
Does Delta Air Lines fly nonstop from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN)?
Use the "Nonstop" filter when browsing for direct Delta Air Lines flights from DEN to SAN. It's also a good way to compare other airlines servicing the same nonstop route.
What airports does Delta Air Lines fly into in San Diego?
Jump on a Delta Air Lines flight from Denver Intl. Airport (DEN) to San Diego, and you'll most likely touch down at San Diego Intl. Airport (SAN). This is the airline's primary hub in this city.
Can I change or cancel my Delta Air Lines flight from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN)?
Depending on the type of ticket you purchased, a fee generally applies if you modify or cancel your booking more than 24 hours after confirmation. To secure flexible fares, select our "Changes included" and "No cancel fee" boxes while looking for flights. For more information on cancelling or modifying your reservation, visit "Trips," select your flight and tick "Manage Booking."

Travel information

Origin airport
Denver Intl.
Destination airport
San Diego Intl.
Distance
1363 km
Average flight time
1 hour 20 mins
*Available to Expedia members.