Cheap flights from Detroit to San Diego from C$ 143

In general, August is the cheapest month to fly from Detroit to San Diego. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 350. If you are unable to visit San Diego during the month of August, then departing from Detroit during the month April is also very affordable. Most momondo users find prices during this month for around C$ 401.

The cheapest day to depart on your flight to San Diego is on a Friday when prices can be found for as low as C$ 315. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to San Diego on Tuesday is C$ 1,109.

Flying to San Diego from Detroit in the morning is the least expensive time of day to depart. momondo users have found prices as low as C$ 367 when looking at flights departing in the morning. Flights to San Diego are more costly in the afternoon, with an average ticket price of C$ 685. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Detroit Metropolitan Wayne County to San Diego for the best Detroit - San Diego flight prices

You are more likely to see cheaper flights to San Diego from Detroit when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around C$ 588 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Detroit for as low as C$ 455 on momondo.

There is only 1 cabin class available to choose from on Detroit to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 76% on your flight if you consider stops on a Detroit to San Diego flight.

As of March 2026, prices for Detroit to San Diego flights are approximately 107% more expensive when compared to flights at the same time last year.

Southwest, Alaska Airlines, and Delta are the most popular carriers operating from Detroit to San Diego

Spirit Airlines, Southwest and Frontier are the top three most popular airlines that fly to San Diego from Detroit according to our data. Spirit Airlines is the first choice among our users, with 51% of people opting to fly with this airline when travelling to San Diego. Keep in mind that there are 4 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

Las Vegas (LAS) was the most common stop: 80% of momondo users choosing one-stop flights on this route connected there.

Flights via Denver (DEN) offer the lowest average round-trip price of C$ 190.

Flights connecting via Las Vegas (LAS) have the shortest average one-way travel time: 6h 45m.

Las Vegas (LAS) has the shortest average layover time for this route: 1h 03m.

7 flights are operational daily from Detroit to San Diego as of March 2026. The most popular departure time for this route is 8:00p.m., with 55% of flights per day taking off in the evening.

As of March 2026, there are 50 flights per week flying from Detroit to San Diego. The most common day of the week flights depart is Sun, with 16% of flights taking off on this day.