Cheap Flights from San Diego (SAN) to Detroit (DTT)

Frequently Asked Questions

• What are the cheapest flights from San Diego to Detroit (SAN-DTT)?

  Based on Trip.com data, Frontier Airlines offers one-way fares as low as US$107 on Cheapest nonstop routes (e.g. SAN to DTW on Wed, Jun 3), while Frontier Airlines offers Cheapest nonstop round-trips from US$187 departing on Sat, May 23 and returning on Sat, May 30.

• Which airlines offer direct flights from San Diego to Detroit?

  At the moment, you can catch a nonstop flight from San Diego to Detroit with the following airlines, including: Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from San Diego to Detroit?

  It takes about 4 hours 32 minutes to fly from San Diego to Detroit.

• When is the best time to book flights from San Diego to Detroit?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Diego to Detroit is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from San Diego to Detroit?

  Based on Trip.com data in the past 4 weeks, there is 18 flight per week flying from San Diego to Detroit. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: S/-/-/W/T/F/S -- DL764 (22:42) Delta Air Lines: S/M/T/W/T/F/S -- DL492 (11:53)

• How can I find the best deals on flights from San Diego to Detroit?

  To find best deals on flights from San Diego to Detroit, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Jun 3, with one-way flights priced at just US$107.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Detroit travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from San Diego (SAN) to Detroit (DTT) the cheapest?

  The cheapest months to fly from San Diego to Detroit is September, when demand for travel is lower.

• Which upcoming date is cheapest to fly from San Diego to Detroit on?

  After crunching the numbers on our May flight calendar, it's currently cheapest to fly from San Diego to Detroit on May 15, 2026 with Frontier Airlines, with prices starting at US$83.

• Which airports can I fly to for Detroit from San Diego?

  You can land at any one of the following hubs in Detroit, with San Diego International Airport to Detroit Metropolitan Wayne County Airport (SAN-DTW) is by far the most common option on this route: Detroit Metropolitan Wayne County Airport (DTW) Willow Run Airport (YIP).

• Is there any time difference between San Diego and Detroit?

  The time difference between Detroit and San Diego is 3h.

• How do I change or cancel my ticket from San Diego to Detroit?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.