$230 Cheap Delta flights Butte (BTM) to San Diego (SAN)

Scoring cheap one-way Delta Air Lines flights from BTM to SAN from $230 on Expedia couldn’t be simpler — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly round-trip fares from $254 for your next exciting vacation.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Delta Air Lines flights to San Diego tend to be cheaper in the off-peak months of January and November. Whether you need a round-trip or one-way ticket, you could find a better deal then.

Start searching one to three months before your departure to find cheap fares on Delta Air Lines flights from Bert Mooney Airport (BTM) to San Diego Intl. Airport (SAN). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get the timing right, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Enter your dates, press search and check the “Nonstop” filter on Expedia to browse any direct flights from BTM to SAN with Delta Air Lines or other carriers.

Find Delta Air Lines’s earliest flights from BTM to SAN by selecting the “Morning” and “Early Morning” filters. Not only will you get to your destination sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Delta Air Lines flights from Bert Mooney Airport (BTM) to San Diego come in to San Diego Intl. Airport (SAN). This is the main entry point to this city.

With a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is a favorite for many travelers flying from BTM to SAN. Plus, if you’re a Delta SkyMiles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can go toward future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of fare you purchased, a fee is typically charged if you cancel or change your booking more than 24 hours after confirmation. To secure tickets with more flexibility, select our “Changes included” or “No cancel fee” filter while searching for flights. For more information on canceling or changing your reservation, visit “Trips,” select your flight and tick “Manage Booking.”