Cheap flights from Detroit to San Diego

Detroit
DTT
San Diego
SAN

Flight deals from Detroit to San Diego

Below you can see the best deals on flights Detroit — San Diego for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 16 September, from $85.

Top 10 cheap flights from Detroit to San Diego

F9
F9
$ 85

Detroit — San Diego

07:08—15:59
16 Sep 2026
11 h 51 m
1 stop
F9
F9
$ 85

Detroit — San Diego

07:08—23:51
16 Sep 2026
19 h 43 m
1 stop
F9
F9
$ 85

Detroit — San Diego

07:08—15:59
22 Sep 2026
11 h 51 m
1 stop
F9
F9
$ 85

Detroit — San Diego

07:08—23:51
22 Sep 2026
19 h 43 m
1 stop
F9
F9
$ 85

Detroit — San Diego

07:08—15:59
22 Sep 2026
35 h 51 m
1 stop
F9
F9
$ 96

Detroit — San Diego

07:08—15:59
23 Sep 2026
11 h 51 m
1 stop
F9
F9
$ 96

Detroit — San Diego

07:08—23:51
23 Sep 2026
19 h 43 m
1 stop
F9
F9
$ 101

Detroit — San Diego

07:08—15:58
19 Sep 2026
11 h 50 m
1 stop
F9
F9
$ 101

Detroit — San Diego

07:08—23:51
19 Sep 2026
19 h 43 m
1 stop
F9
F9
$ 112

Detroit — San Diego

07:08—15:59
15 Sep 2026
11 h 51 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Detroit — San Diego flight

Looking for cheap flights from Detroit to San Diego? Compare fares from different airlines, check the flight schedule and travel time — and book your Detroit — San Diego ticket online at the best price.

The route has direct flights — around 46 flights per week, flights are operated by Delta, a nonstop flight takes about 4 h 39 min, the distance between the cities is around 3,174 km.

Planning your trip? You may find our San Diego travel guide, how to get from the airport into town and San Diego weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $85Min. price
SeptemberCheapest
AprilPeak season
YesDirect flights
3,174 kmDistance
4 h 39 minTravel time
1Airlines
46 / wkFlights

Flight schedule from Detroit to San Diego

The table shows direct flights from Detroit to San Diego on the selected date. The flight takes approximately 4 h 39 min. Regular flights are operated by Delta. Departures from Detroit Metropolitan Wayne County Airport airports, arrivals at San Diego International Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 25 Aug 2026

Flight ticket prices by day: Detroit — San Diego

Below is a calendar of the lowest flight ticket prices for Detroit — San Diego by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $85 in September, and the most expensive are around $259 in April. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Detroit to San Diego by month. Tickets are usually cheapest in September (around $165) and priciest in March (about $261) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$181lowMay$257highSep$165low
Feb$171lowJun$240highOct$190medium
Mar$261highJul$231highNov$196medium
Apr$211mediumAug$171lowDec$251high

Some values are estimated based on seasonality.

When to fly

Weather in San Diego: it is warmest in August (up to 26 °C on average) and coolest in March (around 17 °C). The driest month is July.

Tickets are usually cheapest in September and most expensive in April. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · San Diego

Dry and wet days · San Diego

Wind speed and direction · San Diego

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How to get the best deal on a Detroit — San Diego ticket

  • Book ahead: fares for Detroit — San Diego are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to San Diego is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Detroit — San Diego route are operated by 1 airline; Delta runs the most flights (around 100% of all flights). Compare carriers, flight shares and schedules below.

  • DeltaDL
    15x/week
    WebsiteFleet: 986190M pax/year
    • Direct flight DTW → SAN15x/week
      Duration
      4h 42m
      Days
      MTWTFSS
    100.0%Open →

Cities and airports on the Detroit — San Diego route

Flights Detroit — San Diego depart from Detroit Metropolitan Wayne County Airport and arrive at San Diego International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Detroit

DTT
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

San Diego

SAN
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the Detroit — San Diego flight

How long is the flight from Detroit to San Diego?

A nonstop Detroit — San Diego flight takes about 4 h 39 min — the distance between the cities is around 3,174 km.

How far is it from Detroit to San Diego?

The distance from Detroit to San Diego is about 3,174 km, which a nonstop flight covers in around 4 h 39 min.

Are there direct flights from Detroit to San Diego?

Yes, there are nonstop flights Detroit — San Diego — around 46 flights per week.

Which airlines fly from Detroit to San Diego?

Airlines operating Detroit — San Diego include Delta. See the full list with schedules in the "Airlines" section on this page.

Which airports do Detroit — San Diego flights use?

Flights from Detroit depart from Detroit Metropolitan Wayne County Airport, and arrive at San Diego International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Detroit to San Diego?

The price of a Detroit — San Diego ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in April. Tickets typically cost between $85 and $259. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Detroit — San Diego?

Flights Detroit — San Diego are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Detroit to San Diego?

To catch a low fare Detroit — San Diego, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Detroit

See all
New York CityChicagoTorontoAtlantaWashington, D.C.LansingDallasLos AngelesMinneapolisOrlandoHoustonSeattleBostonCharlotteLas VegasDenverPhoenixMontrealFort LauderdalePhiladelphiaClevelandNashvilleIndianapolisPittsburghSalt Lake CityCincinnatiBuffaloFort MyersSan FranciscoColumbusMemphisRaleighTampaGrand RapidsAlbanyProvidenceKnoxvilleLouisvilleMilwaukeeTraverse City

Where else you can fly from San Diego

See all
San FranciscoSeattleLas VegasSan JosePhoenixDenverChicagoSacramentoNew York CityDallasSalt Lake CityAtlantaFresnoLos AngelesPortlandBostonHonoluluOrlandoAustinSanta RosaWashington, D.C.OaklandVancouverSan Jose del CaboBoiseRenoRedmondMinneapolisCharlotteKahuluiSan Luis ObispoHoustonEugeneMiamiTorontoMontrealFort LauderdaleMontereyKailua-KonaTampa

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