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$78+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SAN
Apr 25 — May 21
Sat 4/25
Sat 5/2
1 adult, Economy
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Cheapflights Tip: The best prices from Detroit All airports to San Diego are usually found in August or April, booked 67 days in advance, depart on a Friday or Thursday and return on a Monday

Cheap 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 March 26, 2026.

This Booking.com deal was found by Cheapflights users on 3/23. 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.
Thu 4/2310:27 pm
DTW
-
SAN
1 stop28h 32m
Frontier
Wed 4/2912:29 pm
SAN
-
DTW
1 stop6h 39m
Frontier
Deal found 3/23$193
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:00 am
DTW
-
SAN
1 stop11h 24m
Frontier
Tue 4/2112:29 pm
SAN
-
DTW
2 stops41h 36m
Frontier
Deal found 3/25$194
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:33 pm
DTW
-
SAN
2 stops27h 44m
Frontier
Tue 5/126:25 am
SAN
-
DTW
1 stop14h 34m
Frontier
Deal found 3/25$195
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:00 am
DTW
-
SAN
1 stop11h 24m
Frontier
Mon 4/206:43 pm
SAN
-
DTW
2 stops15h 42m
Frontier
Deal found 3/25$196
This Trip.com deal was found by Cheapflights users on 3/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2712:02 pm
DTW
-
SAN
1 stop12h 42m
Frontier
Sun 5/36:56 pm
SAN
-
DTW
2 stops11h 14m
Frontier
Deal found 3/24$197
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:00 am
DTW
-
SAN
1 stop6h 34m
Frontier
Mon 4/278:38 am
SAN
-
DTW
2 stops24h 00m
Frontier
Deal found 3/25$199
This Frontier deal was found by Cheapflights users on 3/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:00 am
DTW
-
SAN
1 stop11h 04m
Frontier
Tue 4/1412:29 pm
SAN
-
DTW
1 stop6h 39m
Frontier
Deal found 3/25$200
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:00 am
DTW
-
SAN
1 stop6h 34m
Frontier
Mon 4/206:43 pm
SAN
-
DTW
2 stops15h 42m
Frontier
Deal found 3/24$201
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:00 am
DTW
-
SAN
1 stop6h 34m
Multiple Airlines
Tue 4/282:12 pm
SAN
-
DTW
2 stops24h 55m
Multiple Airlines
Deal found 3/24$202
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2010:27 pm
DTW
-
SAN
1 stop24h 37m
Frontier
Mon 4/278:38 am
SAN
-
DTW
2 stops24h 00m
Frontier
Deal found 3/24$205
This CheapOair deal was found by Cheapflights users on 3/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:55 am
DTW
-
SAN
1 stop27h 47m
Frontier
Sat 5/304:17 pm
SAN
-
DTW
1 stop12h 05m
Frontier
Deal found 3/25$206

Find 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 March 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$193
(Booking.com)

One-way from

$78
(Trip.com)

Popular in

March

Cheapest in

August

Average price

$500

Good round-trip deal

$512 or less

Good one-way deal

$463 or less
Provider with most accurate pricing for Detroit (DTT)-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-San Diego flights.
Search Deals
From Detroit (DTT) to San Diego
Search Deals
One-way flight from Detroit (DTT) to San Diego
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Detroit (DTT) to San Diego.
Search Deals
Price to beat on a one-way flight from Detroit (DTT) to San Diego.
Search Deals

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 March 26, 2026.
Use the filters below to find and compare flights from Detroit to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Tue 4/28

6:35 am-12:10 pm

2 stops8h 35m

San Diego

Mon 5/4

8:05 am-7:35 pm

2 stops8h 30m

$468

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Thu 4/9

3:00 pm-7:55 pm

2 stops7h 55m

San Diego

Tue 4/28

12:30 pm-11:05 pm

2 stops7h 35m

$521
Quickest round-trip

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Wed 5/20

8:16 pm-10:00 pm

Nonstop4h 44m

San Diego

Wed 5/27

10:15 pm-5:40 am

Nonstop4h 25m

$539

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Sat 4/25

4:30 pm-6:19 pm

Nonstop4h 49m

San Diego

Thu 4/30

3:30 pm-10:57 pm

Nonstop4h 27m

$539

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Fri 4/24

9:15 pm-11:06 pm

Nonstop4h 51m

San Diego

Tue 4/28

3:30 pm-10:57 pm

Nonstop4h 27m

$539

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Thu 5/28

4:16 pm-6:01 pm

Nonstop4h 45m

San Diego

Sat 5/30

10:15 pm-5:40 am

Nonstop4h 25m

$539

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Sat 5/2

4:41 pm-8:42 pm

1 stop7h 01m

San Diego

Sat 5/9

6:15 am-1:46 pm

Nonstop4h 31m

$549

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Fri 5/1

7:59 pm-11:38 pm

1 stop6h 39m

San Diego

Sat 5/30

11:33 am-7:01 pm

Nonstop4h 28m

$549

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Wed 6/10

6:10 pm-11:35 pm

1 stop8h 25m

San Diego

Sun 6/14

10:17 pm-5:45 am

Nonstop4h 28m

$549

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Tue 4/28

7:00 am-10:43 am

1 stop6h 43m

San Diego

Mon 5/4

6:15 am-1:40 pm

Nonstop4h 25m

$549

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Detroit to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Detroit to San Diego in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Detroit-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Detroit-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Detroit-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 March 13, 2026.

Booking 67 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 $104). Flying from Detroit to San Diego in December is currently the most expensive (average of $172). 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 March 26, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Detroit to San Diego as you normally would.

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 March 26, 2026.

The most flights from DTT to SAN are scheduled on a Monday (7 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 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.

Dallas (DFW) – chosen by Cheapflights users on 44% 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.

Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $143.

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 Las Vegas (LAS) have the shortest average one-way travel time for 1-stop routes: 7h 57m.

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 Dallas (DFW) offer the fastest connection on this route, with an average layover time of 2h 32m.

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 March 26, 2026.
Read through reviews of airlines operating flights from Detroit to San Diego, such as Southwest,Delta, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,333 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Southwest
8.0
Very good
4,333 reviews
Southwest
8.0
Very good
4,333 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Delta
7.9
Good
8,331 reviews
Southwest
8.0
Very good
4,333 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
American Airlines
7.1
Good
11,495 reviews
Southwest
8.0
Very good
4,333 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Spirit Airlines
6.3
Okay
8,546 reviews
Southwest
8.0
Very good
4,333 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Frontier
5.7
Fair
3,015 reviews
Southwest
8.0
Very good
4,333 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

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 39m on average. When it comes time to book airfare, you have a few options: there are 5 outbound flights from All airports to San Diego offered by 7 different airlines.

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

    A quick flight from Detroit to San Diego can take about 4h 44m. Southwest provides one of the quickest options available for as low as $539. The distance between Detroit and San Diego is about 1952 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Detroit to San Diego round-trip?

    Currently priced at $98, 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. Search Cheapflights for deals from Frontier and JetBlue - these airlines can fly you to your destination from $135 and $151, respectively. You may be able to fly from Detroit to San Diego for 75% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Detroit to San Diego one-way?

    One-way options have recently been found by users for as low as $69 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $74 and Southwest from $159 one-way.

  • 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 Virgin Atlantic (77%), KLM (73%) or Delta (71%) 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 $348. On average you can expect to pay $812. The most popular route, (Detroit Metropolitan Wayne County - San Diego), can usually be booked for $202.

  • 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 $104). Flying from Detroit to San Diego in December is currently the most expensive (average of $172). 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
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

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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.
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Top 7 airlines flying from Detroit to San Diego

Discover the top 7 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 March 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$98Average$221FlexibilityNo cancel feeOn-time65%
FrontierCheapest$135Average$249FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$151Average$364FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$233Average$378FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$238Average$410FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$284Average$456FlexibilityNo cancel feeOn-time63%
DeltaCheapest$299Average$530FlexibilityNo cancel feeOn-timeN/A

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