Cheap flights from Las Vegas to San Diego from C$ 77

In general, April 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$ 108. If you are unable to visit San Diego during the month of April, then departing from Las Vegas during the month August is also very affordable. Most momondo users find prices during this month for around C$ 112.

The cheapest day to depart on your flight to San Diego is on a Wednesday when prices can be found for as low as C$ 63. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to San Diego on Monday is C$ 314.

Flying to San Diego from Las Vegas in the evening is the least expensive time of day to depart. momondo users have found prices as low as C$ 224 when looking at flights departing in the evening. Flights to San Diego are more costly in the afternoon, with an average ticket price of C$ 378. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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$ 142 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$ 93 on momondo.

There are 2 cabin classes available to choose from on Las Vegas Harry Reid Intl 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 110 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. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Spirit Airlines 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 13 per day as of March 2026. The most frequent departure time is 7:00p.m., with 42% of daily flights leaving at noon.

The number of flights available between Las Vegas and San Diego is 94 per week as of March 2026. The most frequent departure day is Wed, with 20% of weekly flights leaving on this day.