Cheap Frontier Airlines flights San Diego (SAN) to Billings (BIL)

  • 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
    Learn about One Key
Flights from San Diego (SAN) to Billings (BIL)
Origin airport
San Diego Intl.
Destination airport
Logan Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Popular airline
Alaska Airlines
Distance
1013 mi

Frequently asked questions

How much is a Frontier Airlines flight from San Diego Intl. Airport (SAN) to Logan Intl. Airport (BIL)?
Finding cheap one-way Frontier Airlines flights from SAN to BIL on Expedia is a breeze --- just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares for your next exciting adventure.**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.
What is the cheapest month to fly from SAN to BIL with Frontier Airlines?
January is one of the least expensive months to travel to Billings with Frontier Airlines. You could also find great deals on return and one-way tickets in November.
What is the cheapest time to book flights from San Diego Intl. Airport (SAN) to Logan Intl. Airport (BIL) with Frontier Airlines?
Begin your search one to three months ahead of your travel date to get cheap fares on Frontier Airlines flights from San Diego Intl. Airport (SAN) to Logan Intl. Airport (BIL). 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 cut 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 your timing spot on, and you can enjoy significant savings on domestic journeys.*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.
Does Frontier Airlines fly nonstop from San Diego Intl. Airport (SAN) to Logan Intl. Airport (BIL)?
Select our "Nonstop" filter when searching for direct Frontier Airlines flights from SAN to BIL. It's also a good way to compare other airlines offering the same nonstop journey.
What is the earliest Frontier Airlines flight from SAN to BIL?
Sort your results by "Early Morning" and "Morning" to see the earliest flights from SAN to BIL. Jetting off early means you're less likely to experience cancellations.**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.
What airports does Frontier Airlines fly into in Billings?
Logan Intl. Airport (BIL) is the primary Billings gateway for Frontier Airlines flights from San Diego Intl. Airport (SAN).
Why fly with Frontier Airlines from SAN to BIL?
A rewarding loyalty program and the chance to rack up points through Frontier Miles are the start of the reasons to travel from SAN to BIL with Frontier Airlines. Plus, by joining Expedia's free One Key™ program, you can receive OneKeyCash™* alongside Frontier Airlines's loyalty program earnings. You can put it toward your future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Frontier Airlines flight from San Diego Intl. Airport (SAN) to Logan Intl. Airport (BIL)?
Depending on the type of ticket you purchased, a fee may apply if you change or cancel your booking more than 24 hours after it has been confirmed. To secure flexible fares, select our "No cancel fee" or "Changes included" filter when you look for flights. For additional information on modifying or canceling your reservation, go to "Trips," select your flight and tick "Manage Booking."

Explore a world of travel with Expedia

*Available to One Key members.