Cheap Delta flights San Diego (SAN) to Denver (DEN)

Scoring cheap one-way Delta Air Lines flights from SAN to DEN on Expedia is easy — just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares 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.

Search for return or one-way flights to Denver in January or November. You could find cheaper fares with Delta Air Lines during these off-peak months.

Fill in your dates, hit search and tick the "Nonstop" filter on Expedia to browse any direct flights from SAN to DEN with Delta Air Lines or another airline.

Catch a Delta Air Lines flight from San Diego Intl. Airport (SAN) to Denver, and you're most likely to land at Denver Intl. Airport (DEN). This is the airline's main hub in this destination.

Depending on your ticket type, a fee typically applies if you modify or cancel your booking more than 24 hours after it's confirmed. To secure tickets with more flexibility, select our "Changes included" or "No cancel fee" filter when searching for flights. For more information on canceling or changing your reservation, head to "Trips," select your flight and tick "Manage Booking."