Cheap United flights Detroit (DTW) to San Diego (SAN)

Make use of the "Price (lowest to highest)" filter on Expedia to look for cheap United Airlines return flights from DTW to SAN. Affordable one-way options are available too.*

*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 one-way or round-trip flights to San Diego in January or November. You could find a cheap fare with United Airlines during these quieter months.

Enter your dates, hit search and use the "Nonstop" filter on Expedia to find any direct flights from DTW to SAN with United Airlines or other airlines.

San Diego Intl. Airport (SAN) is the main San Diego hub for United Airlines flights from Detroit Metropolitan Wayne County Airport (DTW).

Changes are often free within 24 hours of booking, but your airline may charge a fee after that time. For further information about altering your reservation, check out your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to make changes without additional costs, apply the "Changes included" and "No cancel fee" filters when planning your trip.