Cheap flights from Portland to San Diego
from 63 US$
From 128 USD — compare hundreds of airlines
The cheapest month is usually 2026-10 · 63 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from Portland to San Diego, a about 1,505 km route (around 2h 23m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as American Airlines, Alaska Airlines, Delta operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Portland to San Diego?
It's usually 2026-10, from 63 USD. Use the price calendar to compare other dates.
How long is the flight from Portland to San Diego?
A nonstop flight takes about 2h 23m and covers around 1,505 km. Connecting itineraries take longer.
Are there direct flights from Portland to San Diego?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Portland to San Diego?
American Airlines, Alaska Airlines, Delta operate this route, among others. Compare them all in the results.
When should I book Portland–San Diego flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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Portland → San Diego · Live fares from 100+ sites — free, with no hidden fees.