Cheap flights from Oregon to San Diego from $61

If you are unable to visit San Diego during the month of January, then departing from Oregon during the month September is also very affordable. Most momondo users find prices during this month for around $250.

The cheapest day to depart from Oregon to San Diego is on a Tuesday. Travelers who choose to depart for San Diego on a Tuesday will often find tickets for as low as $270. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $339. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

The cheapest time of day to fly to San Diego is in the morning when flights can be purchased for as low as $304. Flights at noon are often more expensive with an average ticket price of $322.

Fly from Portland to San Diego for the best Oregon - San Diego flight prices

You are more likely to see cheaper flights to San Diego from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $294 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Oregon for as low as $228 on momondo.

There are 4 cabin classes available to choose from on Oregon to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Southwest, Delta, and Alaska Airlines are the most popular carriers operating from Oregon to San Diego

Alaska Airlines, Southwest and United Airlines are the top three most popular airlines that fly to San Diego from Oregon according to our data. Alaska Airlines is the first choice among our users, with 73% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 8 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

14 flights are operational daily from Oregon to San Diego as of August 2026. The most popular departure time for this route is 7:00AM, with 57% of flights per day taking off at noon.

The number of flights available between Oregon and San Diego is 101 per week as of August 2026. The most frequent departure day is Wed, with 23% of weekly flights leaving on this day.