Your next trip, last seen at €375
Below averageUnited Airlines · 1 stop · One wayWhen to fly
Explore datesFind the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €375, departing 24 Nov 2026 (Last checked: 22 Oct 2026)One-way fareCheck live prices for this route
- Airlines seen
- Delta Air Lines, Sun Country Airlines, United Airlines, WestJet
- Typical journey time
- 9h 18m
About this route
Explore the fares we observed from Duluth to San Diego. Prices move often, so pick your dates to see the latest options.
- Route distance
- 2,634 km
- Typical journey time
- 9h 18m
- Seen on fares with a connection
- United Airlines, Delta Air Lines, WestJet
- Alternative airports
- CLD
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- Duluth International Airport (DLH) → Duluth, city gazetteer reference point (46.7867, -92.1005): ≈ 10 km.
- San Diego International Airport (SAN) → San Diego, city gazetteer reference point (32.7153, -117.1573): ≈ 4 km.
- McClellan-Palomar Airport (CLD) → San Diego, city gazetteer reference point (32.7153, -117.1573): ≈ 47 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Frequently asked
How much is a flight from Duluth to San Diego?
The lowest fare Routavio has observed is €375, found on 22 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Duluth to San Diego?
In our observations November 2026 is the cheapest month so far, at €375.
Are there direct flights from Duluth to San Diego?
Our data holds no non-stop flight from Duluth to San Diego. The fares on this page include at least one stop.
Which airlines fly from Duluth to San Diego?
Routavio has seen these carriers on the route: Delta Air Lines, Sun Country Airlines, United Airlines, WestJet.
How long does the flight from Duluth to San Diego take?
Across the 36 fares Routavio observed, the average journey time is 14h 43m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Duluth to San Diego fares were non-stop?
None of the 37 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.