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Cheap flights from Detroit to San Diego from C$ 240

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 20/8. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SAN
6 Aug — 13 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Detroit All airports to San Diego are usually found in August or September, booked 67 days in advance, depart on a Tuesday or Wednesday 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 7 July 2026.

Mon 10/811:49 a.m.
DTW
-
SAN
1 stop10h 11m
Frontier
Tue 18/83:45 p.m.
SAN
-
DTW
2 stops12h 45m
Frontier
Deal found 3/7C$ 482
Mon 27/77:44 p.m.
DTW
-
SAN
1 stop22h 43m
Frontier
Sat 1/88:51 p.m.
SAN
-
DTW
1 stop7h 09m
Frontier
Deal found 4/7C$ 486
Fri 31/77:40 a.m.
DTW
-
SAN
2 stops43h 24m
Frontier
Tue 18/86:25 a.m.
SAN
-
DTW
1 stop22h 05m
Frontier
Deal found 4/7C$ 488
Mon 17/81:19 p.m.
DTW
-
SAN
1 stop13h 32m
Frontier
Sun 23/88:59 p.m.
SAN
-
DTW
1 stop6h 21m
Frontier
Deal found 6/7C$ 489
Sun 26/77:44 p.m.
DTW
-
SAN
1 stop22h 43m
Frontier
Fri 31/76:35 a.m.
SAN
-
DTW
1 stop8h 40m
Frontier
Deal found 4/7C$ 495
Tue 21/71:19 p.m.
DTW
-
SAN
1 stop13h 32m
Frontier
Mon 27/74:12 p.m.
SAN
-
DTW
1 stop12h 09m
Frontier
Deal found 5/7C$ 497
Fri 14/811:49 a.m.
DTW
-
SAN
1 stop10h 11m
Frontier
Sun 16/84:28 p.m.
SAN
-
DTW
1 stop11h 53m
Frontier
Deal found 3/7C$ 499
Sun 9/87:44 p.m.
DTW
-
SAN
1 stop22h 59m
Frontier
Sun 16/88:51 p.m.
SAN
-
DTW
2 stops16h 49m
Frontier
Deal found 4/7C$ 505
Wed 19/87:05 p.m.
DTW
-
SAN
1 stop6h 30m
Southwest
Wed 9/911:45 a.m.
SAN
-
DTW
1 stop8h 20m
Southwest
Deal found 6/7C$ 506
Sat 15/87:40 a.m.
DTW
-
SAN
1 stop19h 11m
Frontier
Fri 21/88:59 p.m.
SAN
-
DTW
1 stop6h 21m
Frontier
Deal found 3/7C$ 510
Thu 30/78:52 a.m.
DTW
-
SAN
2 stops9h 35m
Frontier
Sat 15/86:35 a.m.
SAN
-
DTW
1 stop8h 40m
Frontier
Deal found 2/7C$ 515

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 7 July 2026.

Round-trip from

C$ 482

One-way from

C$ 240

Popular in

June

Cheapest in

August

Average price

C$ 766

Good round-trip deal

C$ 766 or less
Frontier
  • Frontier
  • 10/8-18/8
  • 3 total stops
  • 22h 56m total
  • Detroit to San Diego
Search Deals
Frontier
  • Frontier
  • 20/8
  • 1 total stop
  • 6h 49m total
  • Detroit to San Diego
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 139 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 7 July 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

Wed 29/7

5:35 a.m.-2:15 p.m.

2 stops11h 40m

San Diego

Wed 16/9

7:25 a.m.-6:25 p.m.

2 stops8h 00m

C$ 587

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Mon 17/8

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

2 stops7h 55m

San Diego

Sun 23/8

9:25 a.m.-8:45 p.m.

2 stops8h 20m

C$ 692

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Fri 28/8

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

2 stops7h 55m

San Diego

Wed 16/9

12:20 p.m.-11:05 p.m.

2 stops7h 45m

C$ 698

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Wed 5/8

12:31 p.m.-2:10 p.m.

Nonstop4h 39m

San Diego

Mon 10/8

10:25 p.m.-8:55 a.m.

1 stop7h 30m

C$ 723
Quickest round-trip

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Fri 28/8

8:35 a.m.-10:20 a.m.

Nonstop4h 45m

San Diego

Wed 16/9

2:40 p.m.-10:04 p.m.

Nonstop4h 24m

C$ 766

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Fri 7/8

8:35 p.m.-10:16 p.m.

Nonstop4h 41m

San Diego

Sun 9/8

6:15 a.m.-1:49 p.m.

Nonstop4h 34m

C$ 766

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Sun 16/8

8:35 p.m.-10:16 p.m.

Nonstop4h 41m

San Diego

Sat 22/8

6:15 a.m.-1:49 p.m.

Nonstop4h 34m

C$ 766

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Thu 22/10

4:01 p.m.-5:49 p.m.

Nonstop4h 48m

San Diego

Sun 25/10

1:18 p.m.-8:46 p.m.

Nonstop4h 28m

C$ 766

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Sat 19/12

8:50 a.m.-10:56 a.m.

Nonstop5h 06m

San Diego

Sat 26/12

6:15 a.m.-1:49 p.m.

Nonstop4h 34m

C$ 766

DetroitSan Diego

DTW - SAN

DTWSAN

Detroit Metropolitan Wayne County

Tue 15/9

8:35 a.m.-10:19 a.m.

Nonstop4h 44m

San Diego

Sun 20/9

6:15 a.m.-1:44 p.m.

Nonstop4h 29m

C$ 766

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

Showing 1-10 of 21 resultsSorted by cheapest first
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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, March is the cheapest month in which you can book a flight from Detroit to San Diego (average of C$ 98). Flying from Detroit to San Diego in May is currently the most expensive (average of C$ 271). 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 7 July 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.

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 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$ 307.

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 7 July 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
7.9
Good
4,250 reviews
Check prices

Boarding

8.1

Crew

8.6

Overall

7.9

Entertainment

7.5

Food

7.0

Comfort

8.0

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
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews
Check prices

Boarding

8.1

Crew

8.6

Overall

7.9

Entertainment

7.5

Food

7.0

Comfort

8.0

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
8,451 reviews
Southwest
7.9
Good
4,250 reviews
Check prices

Boarding

8.1

Crew

8.6

Overall

7.9

Entertainment

7.5

Food

7.0

Comfort

8.0

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
2,841 reviews
Southwest
7.9
Good
4,250 reviews
Check prices

Boarding

8.1

Crew

8.6

Overall

7.9

Entertainment

7.5

Food

7.0

Comfort

8.0

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 4 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 57m. Fly via Southwest or Delta 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$ 210, 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 67% 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 Air France (82%), Delta (74%) or Virgin Atlantic (62%) 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$ 761. On average you can expect to pay C$ 780. The most popular route, (Detroit Metropolitan Wayne County - San Diego), can usually be booked for C$ 510.

  • 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, March is the cheapest month in which you can book a flight from Detroit to San Diego (average of C$ 98). Flying from Detroit to San Diego in May is currently the most expensive (average of C$ 271). 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

Browse thousands of different options on Cheapflights for your next trip

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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 7 July 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 210AverageC$ 409FlexibilityNo cancel feeOn-time62%
Search Frontier flights
SouthwestCheapestC$ 507AverageC$ 679FlexibilityNo cancel feeOn-time63%
Search Southwest flights
DeltaCheapestC$ 567AverageC$ 837FlexibilityNo 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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