Cheap Flights from Somerset (SME) to San Diego (SAN)

Popular airlines from Somerset, KY (SME-Lake Cumberland Regional) to San Diego Intl. Airport (SAN)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
Flights from Somerset (SME) to San Diego (SAN)
Origin airport
Lake Cumberland Regional
Destination airport
San Diego Intl.
Distance
1861 mi

Somerset to San Diego Flights

The cheapest times to fly from Somerset to San Diego

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Somerset to San Diego are during the month of . You can find some of the cheapest flights from Somerset to San Diego with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Somerset to San Diego

Sunday is one of the best days to book for cheap flights from Somerset to San Diego: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Somerset to San Diego

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Somerset to San Diego in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Somerset to San Diego flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Somerset to San Diego airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Somerset, KY (SME-Lake Cumberland Regional) to San Diego Intl. Airport (SAN) cost?
Discover the latest flight deals from SME to SAN by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SME to SAN?
The cheapest flights from SME to SAN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SME to SAN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SME to SAN. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Somerset, KY (SME-Lake Cumberland Regional) to San Diego Intl. Airport (SAN)?
Direct flights from Somerset, KY (SME-Lake Cumberland Regional) to San Diego Intl. Airport (SAN) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SME to SAN?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a range of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Somerset, KY (SME-Lake Cumberland Regional) to San Diego Intl. Airport (SAN)?
Opt for a flight from Somerset, KY (SME-Lake Cumberland Regional) to San Diego Intl. Airport (SAN) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Somerset, KY (SME-Lake Cumberland Regional) to San Diego Intl. Airport (SAN) last-minute?
Holding off until just before your departure to book your flight from SME to SAN generally means paying more. While it's possible to find some last-minute discounts, they aren't always guaranteed. Keep your travel schedule open for the best chance of snagging a bargain.
Is it cheaper to book a SME to SAN flight and hotel package?
Securing a SME to SAN flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our wide range of stays and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Somerset, KY (SME-Lake Cumberland Regional) to San Diego Intl. Airport (SAN)?
If you reserved your SME to SAN flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Explore a world of travel with Expedia

*Available to One Key members.