Your next trip, last seen at €61
Below averageWhen to fly
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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.
- Lowest observed
- €61, departing 4 Nov 2026 (Last checked: 12 Oct 2026)One-way fareCheck live prices for this route
- Airlines seen
- Alaska Airlines, American Airlines, Delta Air Lines, Frontier Airlines, Southwest Airlines, United Airlines
- Reported fastest flight
- 2h 28m
- Non-stop
- Yes
About this route
Explore the fares we observed from Portland to San Diego. Prices move often, so pick your dates to see the latest options.
- Route distance
- 1,499 km
- Reported fastest flight
- 2h 28m
- Airlines seen
- Alaska Airlines, American Airlines, Delta Air Lines, Frontier Airlines, Southwest Airlines, United Airlines
- Alternative airports
- CLD
Route-level information; individual journeys vary.
Published schedules report non-stop service with Alaska Airlines. Check current timetables.
A clearer picture of your fare
Non-stop airlines seen on this route
| Airline | Non-stop days / priced days | Fastest non-stop |
|---|---|---|
| Alaska Airlines | 20 / 30 |
Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.
Airport to city: straight-line distance
- Portland International Airport (PDX) → Portland, city gazetteer reference point (45.5051, -122.6750): ≈ 11 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.
Lowest one-way fare we saw per airline
Cheapest airline from Portland to San Diego: Frontier Airlines, from €72 (checked 5 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Frontier Airlines | €72Nov 9, 2026 | 8 |
| Alaska Airlines | €86Nov 17, 2026 | 20 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Portland to San Diego?
The lowest fare we have observed is €61, found on 12 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Portland to San Diego?
In our observations November 2026 is the cheapest month so far, at €61.
Are there direct flights from Portland to San Diego?
Yes. We have seen non-stop flights on this route, flown by Alaska Airlines.
Which airlines fly from Portland to San Diego?
These are the carriers we have seen on the route: Alaska Airlines, American Airlines, Delta Air Lines, Frontier Airlines, Southwest Airlines, United Airlines.
How long does the flight from Portland to San Diego take?
The average journey time across the 5 fares we observed is 6h 50m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Portland to San Diego fares were non-stop?
5 of the 7 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
Which airlines had non-stop offers on at least 3 departure dates from Portland to San Diego?
For Portland to San Diego, examples of observed one-way non-stop offers checked within the last 14 days: Alaska Airlines (20). Each number counts distinct departure dates, not weekly flights; check current availability in search.
Which airline has the lowest fare from Portland to San Diego?
Cheapest airline from Portland to San Diego: Frontier Airlines, from €72 (checked 5 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
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Recently observed fares. Prices may change.
Last checked: 12 Oct 2026