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Cheap flights from Detroit to San Diego from C$ 142

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SAN
1 Sep — 8 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Detroit All airports to San Diego are usually found in September or August, booked 57 days in advance, depart on a Wednesday or Thursday and return on a Monday

Cheap flight deals from Detroit to San Diego

Enter your travel dates to find the best prices.

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 2 August 2026.

Sun 27/96:00 a.m.
DTW
-
SAN
1 stop6h 43m
Frontier
Mon 28/99:03 p.m.
SAN
-
DTW
2 stops20h 20m
Frontier
Deal found 29/7C$ 476
Thu 5/117:05 a.m.
DTW
-
SAN
1 stop11h 36m
Frontier
Tue 10/118:32 p.m.
SAN
-
DTW
2 stops15h 07m
Frontier
Deal found 28/7C$ 520
Thu 12/112:03 p.m.
DTW
-
SAN
1 stop7h 26m
Frontier
Mon 23/116:34 p.m.
SAN
-
DTW
1 stop13h 41m
Frontier
Deal found 1/8C$ 521
Tue 8/1211:10 a.m.
DTW
-
SAN
1 stop8h 20m
Southwest
Sat 12/127:50 a.m.
SAN
-
DTW
1 stop6h 05m
Southwest
Deal found 28/7C$ 565
Thu 22/109:59 p.m.
DTW
-
SAN
1 stop20h 42m
Frontier
Sun 25/109:19 a.m.
SAN
-
DTW
2 stops19h 02m
Frontier
Deal found 28/7C$ 570
Thu 27/85:00 p.m.
DTW
-
SAN
2 stops8h 05m
Southwest
Thu 3/910:30 a.m.
SAN
-
DTW
2 stops7h 55m
Southwest
Deal found 30/7C$ 579
Wed 30/97:01 a.m.
DTW
-
SAN
2 stops17h 19m
Alaska Airlines
Sat 3/104:00 p.m.
SAN
-
DTW
2 stops10h 40m
Alaska Airlines
Deal found 28/7C$ 580
Fri 7/811:49 a.m.
DTW
-
SAN
1 stop10h 11m
Frontier
Tue 11/810:10 a.m.
SAN
-
DTW
1 stop10h 49m
Frontier
Deal found 29/7C$ 586
Mon 3/87:40 a.m.
DTW
-
SAN
1 stop28h 25m
Frontier
Fri 14/86:35 a.m.
SAN
-
DTW
1 stop8h 40m
Frontier
Deal found 31/7C$ 587
Wed 2/97:01 a.m.
DTW
-
SAN
2 stops14h 52m
Alaska Airlines
Tue 8/92:19 p.m.
SAN
-
DTW
2 stops12h 03m
Alaska Airlines
Deal found 28/7C$ 593
Tue 25/87:01 a.m.
DTW
-
SAN
2 stops13h 09m
Alaska Airlines
Sat 29/88:15 a.m.
SAN
-
DTW
2 stops18h 07m
Alaska Airlines
Deal found 1/8C$ 595

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 2 August 2026.

Round-trip from

C$ 476

One-way from

C$ 142

Popular in

June

Cheapest in

September

Average price

C$ 556

Good round-trip deal

C$ 699 or less
Frontier
  • Frontier
  • 27/9-28/9
  • 3 total stops
  • 27h 03m total
  • Detroit to San Diego
Search Deals
Frontier
  • Frontier
  • 1/9
  • 1 total stop
  • 23h 11m total
  • Detroit to San Diego
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip 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 629,999 searches. Data last updated 2 August 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

Thu 27/8

6:20 a.m.-11:15 a.m.

2 stops7h 55m

San Diego

Mon 31/8

10:10 a.m.-9:20 p.m.

2 stops8h 10m

C$ 579

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Thu 5/11

1:30 p.m.-6:45 p.m.

2 stops8h 15m

San Diego

Tue 10/11

10:50 a.m.-10:35 p.m.

2 stops8h 45m

C$ 579

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Wed 30/9

7:01 a.m.-7:00 p.m.

2 stops14h 59m

San Diego

Sat 3/10

1:30 p.m.-5:40 a.m.

2 stops13h 10m

C$ 609

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Thu 29/10

7:00 a.m.-6:29 p.m.

2 stops14h 29m

San Diego

Mon 2/11

8:07 p.m.-4:47 p.m.

2 stops17h 40m

C$ 637

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Mon 31/8

7:30 p.m.-10:55 p.m.

1 stop6h 25m

San Diego

Mon 7/9

10:40 p.m.-12:55 p.m.

1 stop11h 15m

C$ 650

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Wed 30/9

12:55 p.m.-6:40 p.m.

2 stops8h 45m

San Diego

Mon 5/10

1:15 p.m.-11:35 p.m.

2 stops7h 20m

C$ 657

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Thu 3/9

5:00 p.m.-10:15 p.m.

2 stops8h 15m

San Diego

Sat 12/9

11:10 a.m.-10:00 p.m.

2 stops7h 50m

C$ 657

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Fri 11/9

2:40 p.m.-6:55 p.m.

2 stops7h 15m

San Diego

Fri 18/9

1:05 p.m.-11:45 p.m.

2 stops7h 40m

C$ 667

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Sun 11/10

6:05 a.m.-11:40 a.m.

2 stops8h 35m

San Diego

Mon 19/10

8:45 a.m.-9:40 p.m.

2 stops9h 55m

C$ 706
Quickest round-trip

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Sun 11/10

8:20 p.m.-10:12 p.m.

Nonstop4h 52m

San Diego

Sun 18/10

6:15 a.m.-1:42 p.m.

Nonstop4h 27m

C$ 713

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

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

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

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

Currently, January is the cheapest month in which you can book a flight from Detroit to San Diego (average of C$ 510). Flying from Detroit to San Diego in June is currently the most expensive (average of C$ 796). 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 2 August 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 2 August 2026.

The most flights from DTT to SAN are scheduled on a Friday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

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

Airfare is typical for this route at the moment.
Detroit to San Diego flights typically cost between C$ 329 and C$ 654 in September.
The cheapest round-trip price found within the last 5 days was C$ 476 on Frontier (27 Sep-28 Sep).

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

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

Phoenix (PHX) – chosen by Cheapflights users on 60% of one-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.

Phoenix (PHX) is the most affordable 1-stop option, with an average round-trip price of C$ 302.

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 Phoenix (PHX) have the shortest average one-way travel time for 1-stop routes: 6h 35m.

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 Phoenix (PHX) offer the fastest connection on this route, with an average layover time of 1h 19m.

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

The price you pay for your flight from Detroit to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 2 August 2026.
Check out reviews from past customers who have flown with Southwest,Delta, andFrontier from Detroit to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,230 reviews
Check prices

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Southwest
8.0
Very good
4,230 reviews
Southwest
8.0
Very good
4,230 reviews
Check prices

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Delta
7.8
Good
8,494 reviews
Southwest
8.0
Very good
4,230 reviews
Check prices

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Frontier
5.6
Fair
2,741 reviews
Southwest
8.0
Very good
4,230 reviews
Check prices

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

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?

    You will need to book a flight from Detroit All airports to San Diego if you want to fly from Detroit to San Diego. At least 3 different airlines have flights from All airports (DTT) to San Diego (SAN) on a regular basis. There are 7 flights to San Diego from the Detroit airport per day. If you manage to book one that is nonstop, then you can expect the flight time from DTT to SAN to be around 4h 39m.

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

    There are many flights that can get you from Detroit to San Diego in 7h 55m. Fly via Southwest or Alaska Airlines to get the fastest option. The distance from Detroit to San Diego is about 3141 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Frontier, at C$ 207, was found to be the cheapest airline from Detroit to San Diego.Alternate airlines to your destination round-trip include Southwest and Delta. Frontier is 68% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 Delta (66%), Air France (65%) or WestJet (64%) 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 C$ 699. On average you can expect to pay C$ 1,172. The most popular route, (Detroit Metropolitan Wayne County - San Diego), can usually be booked for C$ 283.

  • 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, January is the cheapest month in which you can book a flight from Detroit to San Diego (average of C$ 510). Flying from Detroit to San Diego in June is currently the most expensive (average of C$ 796). 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

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
La Mesa
Borrego Springs

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Top 3 airlines flying from Detroit to San Diego

Discover the top 3 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 629,999 searches. Data last updated 2 August 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 207AverageC$ 404FlexibilityNo cancel feeOn-time62%
Search Frontier flights
SouthwestCheapestC$ 515AverageC$ 669FlexibilityNo cancel feeOn-time63%
Search Southwest flights
DeltaCheapestC$ 699AverageC$ 825FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Detroit to San Diego?

Cheapflights helps you search for flights from Detroit to San Diego via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Detroit to San Diego?

Cheapflights simply makes it quick and affordable to book flights from Detroit to San Diego by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Detroit to San Diego with no change fees?

Yes, we can. To see specific flights from Detroit to San Diego with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Detroit to San Diego become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Diego from Detroit today and book when prices fit your budget.

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