San Diego

$89+ Cheap flights from Detroit to San Diego (DTT - SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SAN
ago. 5 — ago. 121
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Cheapflights Tip: The best prices from Detroit All airports to San Diego are usually found in August or July, booked 71 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Detroit to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated julio 31, 2025.

Round-trip from

$161
(Booking.com)

One-way from

$89
(Cheapflightsfares)

Popular in

March

Cheapest in

August

Average price

$329

Good round-trip deal

$233 or less

Good one-way deal

$89 or less
From Detroit (DTT) to San Diego
One-way flight from Detroit (DTT) to San Diego
Highest demand for flights based on searches. 13% potential increase in price ($68 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Detroit (DTT) to San Diego.
Price to beat on a one-way flight from Detroit (DTT) to San Diego.

Find flight deals from Detroit to San Diego

Cheapest flights from Detroit to San Diego
Explore the most affordable flight options available from Detroit to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

This Booking.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/149:35 amDTW - SAN
Nonstop4h 32mSpirit Airlines
lun. 8/187:01 pmSAN - DTW
1 stop7h 44mSpirit Airlines
Deal found 7/30$161

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 31, 2025.
Use the filters below to find and compare flights from Detroit to San Diego that are best for you.

Fly from

Detroit

Fly to

San Diego

Route

Depart

Return

Price

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

jue. 8/14

9:35 am-11:07 am

Nonstop4h 32m

San Diego

lun. 8/18

7:01 pm-5:45 am

1 stop7h 44m

$161

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

lun. 9/29

11:15 am-10:26 pm

1 stop14h 11m

$89

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

mar. 8/5

8:30 am-2:13 pm

1 stop8h 43m

$118

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Best time to book a flight from Detroit to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Detroit with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Detroit to San Diego

How far ahead should I book a flight from Detroit to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Detroit to San Diego. Price data was last updated on July 25, 2025.

Booking 71 days in advance of your planned departure date is, on average, the best time to get cheap flights from Detroit to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Detroit to San Diego?

Currently, August is the cheapest month in which you can book a flight from Detroit to San Diego (average of $286). Flying from Detroit to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DTT to SAN?

Find hourly flight availability from Detroit to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 31, 2025.

A simple way to save on the total cost of your ticket is to fly from Detroit to San Diego at noon. If you’re flexible enough to do this you can expect to save up to 45% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Detroit to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Detroit to San Diego. Price data was last updated on July 27, 2025.

Travelers seeking maximum savings on their Detroit to San Diego flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Detroit to San Diego

Explore weekly flight availability from Detroit to San Diego. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated julio 31, 2025.

The most flights from DTT to SAN are scheduled on a Thursday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost to fly round-trip from Detroit to San Diego?

What’s the top layover airport for flights from Detroit to San Diego?

Share of 1-stop round-trip flights from Detroit to San Diego chosen by Cheapflights users in the past 12 months, using the same layover each way.

Las Vegas (LAS) – chosen by Cheapflights users on 81% of 1-stop itineraries from Detroit to San Diego on Cheapflights.

What’s the cheapest layover airport for flights from Detroit to San Diego?

Average round-trip fare for 1-stop flights from Detroit to San Diego, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $167.

What’s the fastest layover option from Detroit to San Diego?

Shortest average travel time for 1-stop one-way flights from Detroit to San Diego, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 6h 52m.

Which airport typically offers the quickest layover for flights from Detroit to San Diego?

Average layover duration for 1-stop one-way flights from Detroit to San Diego, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 09m.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated julio 31, 2025.
Read through reviews of airlines operating flights from Detroit to San Diego, such as Spirit Airlines and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

6.3

Crew

7.0

Boarding

6.6

Entertainment

5.0

Comfort

5.9

Food

5.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

LAS - DTW

Was the most uncomfortable seat I have ever sat in on an airplane

Overall

6.3

Crew

7.0

Boarding

6.6

Entertainment

5.0

Comfort

5.9

Food

5.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

LAS - DTW

Was the most uncomfortable seat I have ever sat in on an airplane

Overall

6.3

Crew

7.0

Boarding

6.6

Entertainment

5.0

Comfort

5.9

Food

5.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

LAS - DTW

Was the most uncomfortable seat I have ever sat in on an airplane

Related info for your journey

Find useful and relevant information for your journey from Detroit to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from Detroit to San Diego?

    To fly from Detroit to San Diego, you need to book a flight from All airports (DTT) to San Diego (SAN). Nonstop flights to San Diego from Detroit All airports take 4h 32m on average. When it comes time to book airfare, you have a few options: there are 7 outbound flights from All airports to San Diego offered by 6 different airlines.

  • What is the cheapest airline to fly from Detroit to San Diego round-trip?

    Currently priced at $161, Spirit Airlines will fly you from Detroit to San Diego and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. You may be able to fly from Detroit to San Diego for 62% less than the average price by searching for this airline.

  • What are the most reliable airlines from Detroit to San Diego?

    No one likes to see their flight delayed. When booking a flight from Detroit to San Diego consider choosing Spirit Airlines (97%), Aeromexico (83%) or KLM (82%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Detroit to San Diego?

    The cheapest flight price from Detroit to San Diego is $68. On average you can expect to pay $533. The most popular route, (Detroit Metropolitan Wayne County - San Diego), can usually be booked for $134.

  • Can I find deals for flights from Detroit to San Diego that include hotel bookings?

    Yes. In addition to deals on Detroit to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Detroit to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to San Diego.

  • Can I find deals for business class flights from Detroit to San Diego?

    Yes. Cheapflights offers flight deals from Detroit to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Detroit to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Detroit to San Diego (average of $286). Flying from Detroit to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
Poway
National City
Lemon Grove
Imperial Beach
La Mesa
Alpine

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Alternative routes for Detroit to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Detroit to San Diego

Discover the top 6 airlines that operate flights from Detroit to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$102Average$235FlexibilityNo cancel feeOn-time65%
FrontierCheapest$138Average$228FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$190Average$282FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$228Average$478FlexibilityNo cancel feeOn-time69%
DeltaCheapest$324Average$544FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$387Average$525FlexibilityNo cancel feeOn-time63%

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