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$64+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SAN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 July, booked 67 days in advance, depart on a Friday or Tuesday and return on a Thursday

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 October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Fri 11/285:45 amDTW - SAN
1 stop21h 14mFrontier
Thu 12/48:10 pmSAN - DTW
1 stop17h 09mFrontier
Deal found 10/29$230
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Thu 12/412:20 pmDTW - SAN
1 stop9h 55mFrontier
Sun 12/72:30 pmSAN - DTW
2 stops22h 49mFrontier
Deal found 10/28$233
This Trip.com deal was found by Cheapflights users on 10/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/175:14 pmDTW - SAN
1 stop9h 36mMultiple Airlines
Mon 11/246:52 pmSAN - DTW
2 stops14h 52mMultiple Airlines
Deal found 10/30$234
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:14 pmDTW - SAN
1 stop21h 53mMultiple Airlines
Thu 11/208:39 amSAN - DTW
1 stop8h 50mMultiple Airlines
Deal found 10/30$235
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 12/137:59 amDTW - SAN
2 stops15h 08mMultiple Airlines
Mon 12/151:33 pmSAN - DTW
1 stop12h 27mMultiple Airlines
Deal found 10/29$236
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/116:29 pmDTW - SAN
2 stops20h 23mMultiple Airlines
Thu 11/208:39 amSAN - DTW
1 stop8h 50mMultiple Airlines
Deal found 10/29$237
This Trip.com deal was found by Cheapflights users on 10/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/285:45 amDTW - SAN
1 stop21h 14mFrontier
Sat 12/64:47 pmSAN - DTW
1 stop20h 32mFrontier
Deal found 10/30$238
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/2010:01 pmDTW - SAN
1 stop24h 14mFrontier
Mon 12/297:21 pmSAN - DTW
1 stop8h 33mFrontier
Deal found 10/28$239
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:14 pmDTW - SAN
1 stop9h 36mFrontier
Sat 11/1510:57 amSAN - DTW
2 stops22h 01mFrontier
Deal found 10/30$240
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/1012:43 pmDTW - SAN
1 stop6h 57mFrontier
Wed 11/191:37 pmSAN - DTW
1 stop19h 06mFrontier
Deal found 10/29$241
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/157:00 amDTW - SAN
2 stops18h 25mMultiple Airlines
Wed 11/198:00 amSAN - DTW
1 stop25h 22mMultiple Airlines
Deal found 10/29$242
This CheapOair deal was found by Cheapflights users on 10/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:20 pmDTW - SAN
1 stop9h 39mFrontier
Sun 12/216:25 amSAN - DTW
1 stop11h 41mFrontier
Deal found 10/30$243

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 October 30, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$230
(Kiwi.com)

One-way from

$64
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$368

Good round-trip deal

$539 or less

Good one-way deal

$216 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. 18% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 30, 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

Sun 12/21

12:20 pm-7:15 pm

1 stop9h 55m

San Diego

Sat 1/10

10:52 am-8:09 pm

1 stop6h 17m

$236

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Sun 12/21

10:01 pm-11:59 pm

1 stop28h 58m

San Diego

Thu 1/8

2:50 pm-11:25 am

2 stops17h 35m

$242

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Fri 12/12

8:20 pm-8:10 pm

1 stop26h 50m

San Diego

Sun 12/14

8:31 pm-10:52 am

1 stop11h 21m

$323

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Tue 12/16

9:15 am-10:30 pm

1 stop16h 15m

San Diego

Wed 12/31

10:30 pm-10:30 pm

1 stop21h 00m

$391

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Thu 12/4

5:41 pm-8:39 am

2 stops17h 58m

San Diego

Tue 12/9

12:41 pm-4:45 pm

2 stops25h 04m

$400

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Sun 12/21

7:50 am-12:11 pm

1 stop7h 21m

San Diego

Sun 1/4

6:25 am-9:06 pm

1 stop11h 41m

$411

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Thu 12/11

5:41 pm-8:39 am

2 stops17h 58m

San Diego

Sun 12/14

9:37 pm-4:45 pm

2 stops16h 08m

$422

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Fri 12/12

5:41 pm-11:50 am

2 stops21h 09m

San Diego

Sun 12/14

9:37 pm-4:45 pm

2 stops16h 08m

$432

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Tue 12/16

7:00 am-1:50 pm

2 stops9h 50m

San Diego

Wed 12/31

11:30 am-10:40 pm

2 stops8h 10m

$447

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Fri 12/5

5:41 pm-3:06 pm

1 stop24h 25m

San Diego

Sun 12/7

9:37 pm-4:45 pm

2 stops16h 08m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 23 results
1
2
3

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 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 Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Detroit-San Diego flight deals on Cheapflights vs. Justfly.com >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 Justfly.com the most. Justfly.com 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 October 24, 2025.

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 $170). 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 October 30, 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 38% 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 October 26, 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.

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 83% 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 October 30, 2025.
Read through reviews of airlines operating flights from Detroit to San Diego, such as Southwest, Delta, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,243 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Southwest
8.0
Very good
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Delta
7.9
Good
7,998 reviews
Southwest
8.0
Very good
4,243 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
American Airlines
7.2
Good
11,035 reviews
Southwest
8.0
Very good
4,243 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Spirit Airlines
6.3
Okay
8,116 reviews
Southwest
8.0
Very good
4,243 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Frontier
5.8
Fair
3,122 reviews
Southwest
8.0
Very good
4,243 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

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 46m on average. When it comes time to book airfare, you have a few options: there are 2 outbound flights from All airports to San Diego offered by 6 different airlines.

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

    A quick flight from Detroit to San Diego can take about 9h 55m. Frontier provides one of the quickest options available for as low as $236. 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 $107, 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 American Airlines - these airlines can fly you to your destination from $146 and $190, respectively. You may be able to fly from Detroit to San Diego for 74% less than the average price by searching for these airlines.

  • 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 KLM (90%), Spirit Airlines (84%) or Delta (78%) 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 $168. On average you can expect to pay $657. The most popular route, (Detroit Metropolitan Wayne County - San Diego), can usually be booked for $148.

  • 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 $170). 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
La Mesa
Poway
Lemon Grove
National City

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Alternative routes for Detroit to San Diego

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$107Average$227FlexibilityNo cancel feeOn-time65%
FrontierCheapest$146Average$227FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$190Average$217FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$293Average$416FlexibilityNo cancel feeOn-time69%
DeltaCheapest$299Average$529FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$368Average$518FlexibilityNo cancel feeOn-time63%

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