Cheap flights from Las Vegas to San Diego from C$ 78

In general, August is the cheapest month to fly from Las Vegas to San Diego. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 116. If you are unable to visit San Diego during the month of August, then departing from Las Vegas during the month September is also very affordable. Most momondo users find prices during this month for around C$ 133.

Fly from Las Vegas Harry Reid Intl to San Diego for the best Las Vegas Harry Reid Intl - San Diego flight prices

You are more likely to see cheaper flights to San Diego from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around C$ 177 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Las Vegas for as low as C$ 100 on momondo.

There are 3 cabin classes available to choose from on Las Vegas to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 24% of flights between Las Vegas and San Diego have experienced a delay on any given week. The average delay length over the past 12 months has been 109 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Delta has had the least delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

The number of flights available between Las Vegas and San Diego is 16 per day as of June 2026. The most frequent departure time is 12:00p.m., with 42% of daily flights leaving at noon.

The number of flights available between Las Vegas and San Diego is 116 per week as of June 2026. The most frequent departure day is Mon, with 19% of weekly flights leaving on this day.