Cheap flights from St Louis to San Diego (STL - SAN)

Flight FAQs

From St Louis to San Diego

Are flight prices decreasing from St Louis to San Diego due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and San Diego for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Lambert-St Louis to San Diego to control the spread of COVID-19?

Alaska Airlines and Delta are some of the many airlines that have implemented additional safety measures to control the spread of COVID-19. New policies for travelers booking flights from Lambert-St Louis to San Diego include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Lambert-St Louis to San Diego have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Alaska Airlines, American Airlines, and United Airlines flying from Lambert-St Louis to San Diego have implemented new flexible cancellation policies.

Can I find flights from St Louis to San Diego for under $100 on Cheapflights?

Yes, there are multiple flights from St Louis to San Diego for under $100. The cheapest flight booked recently is on Frontier for just $68, but on average you can expect to pay $114.

Are there nonstop flights from St Louis to San Diego for under $100 on Cheapflights?

There are no nonstop flights from St Louis to San Diego, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from St Louis to San Diego for under $200?

There are currently 20+ open flights from St Louis to San Diego within the next 7 days for less than $200.

How popular is this flight route?

The Lambert-St Louis to San Diego flight path was viewed by 105 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Does it rain more in St Louis or San Diego?

St Louis will have greater rainfall in 0 compared to San Diego over the next 15 days.

Is St Louis weather warmer or cooler than San Diego?

You can imagine temperatures to be in the 90 °F range in July. The weather in San Diego is generally colder than St Louis's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

How long is the flight from St Louis to San Diego?

Departing from St Louis to San Diego will take you 5h 49m.

What is the cheapest airline to fly from St Louis to San Diego round-trip?

Our cheapest airline available from St Louis to San Diego is Frontier. Our recent data shows that you can find tickets from as low as $68 on this airline. Users have found that Frontier is 76% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from St Louis to San Diego one-way?

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $34. Users have also found prices from $140 and $201 on Frontier and American Airlines, respectively.