Cheap flights from Detroit to San Diego from C$ 168

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$ 71. If you are unable to visit San Diego during the month of August, then departing from Detroit during the month March is also very affordable. Most momondo users find prices during this month for around C$ 94.

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$ 314. 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$ 737.

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$ 382 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$ 682. 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$ 605 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$ 479 on momondo.

You could potentially save up to 62% on your flight if you consider stops on a Detroit to San Diego flight.

As of May 2026, prices for Detroit to San Diego flights are approximately 95% more expensive when compared to flights at the same time last year.

Frontier is the most popular carrier operating from Detroit to San Diego

Spirit Airlines, Frontier and Southwest 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 46% 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.

7 flights are operational daily from Detroit to San Diego as of May 2026. The most popular departure time for this route is 4:00p.m., with 67% of flights per day taking off in the afternoon.

As of May 2026, there are 52 flights per week flying from Detroit to San Diego. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.