Cheap flights from San Diego International to Billings

Compare San Diego International to Billings flight deals

Find the cheapest month or even day of the year to fly to Billings

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Flight deals from San Diego International Airport to Billings Airport

Looking for a cheap last-minute deal or the best return flight from San Diego International Airport to Billings Airport? If you want to travel next month, return fares start from $504. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Diego International to Billings

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Diego International to Billings flights are currently cheapest in March.

San Diego International to Billings: Alternative routes

Compare routes from San Diego International to Billings below. You may find an airport to fly into that's cheaper, faster, or easier than Billings.

San Diego to Billings: Flight information

The things to know before you go.
Cheapest flight found$610
Cheapest month to flyMarch

Finding cheap flights from San Diego International to Billings: Frequently asked questions

The best price we found for a return flight from San Diego International to Billings is $476. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from San Diego International to Billings. But we found flights with one or more stops from $476.
As of March 2026, there are no flights flying from San Diego International to Billings.
The cheapest month to fly from San Diego International to Billings is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Diego International Airport to Billings Airport on Tuesday, 9 June 2026.
No airlines currently offer direct flights between San Diego International Airport and Billings Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Billings but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Billings is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Billings.

Travelling from San Diego International Airport (SAN) to Billings Logan International Airport (BIL): what you need to know

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Be at the airport on time to board your SAN to BIL flight.

  • During popular months like July, it's best to get to the airport even earlier. Plan to arrive two hours before domestic departures and four hours ahead of international flights whenever you're flying during peak periods in general.

  • We make it easy to book a flight with a stopover. To see your options for tickets from San Diego International Airport to Billings Logan International Airport, uncheck 'Direct flights only.' Then, pick a flight offering a stop long enough to visit the city of your choice. Top stopovers between SAN and BIL include:

    • Harry Reid Airport (formerly McCarran Airport)

    • Denver International Airport

    • Phoenix Sky Harbour International Airport

How to find the cheapest flights from San Diego International Airport (SAN) to Billings Logan International Airport (BIL)

  • $610 is currently the best price for a one-way San Diego International Airport to Billings Logan International Airport flight. Return flights start at $476. These fares may change depending on availability.

  • To score cheap tickets from SAN to BIL, book ahead. Airlines typically offer their most competitively priced fares when flights are first released.

  • The 'Whole month' search function shows you the cheapest flights from San Diego International Airport to Billings Logan International Airport across the month. It's a great way to snap up a bargain if your travel plans aren't set in stone.

  • Landing cheap flights from SAN to BIL is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as a lower fare pops up.

  • Discover the right flight for you with the help of the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from San Diego International Airport to Billings Logan International Airport, use the 'Sort by' function. You can also filter by departure and arrival times, airline, and journey duration.

Handy information about San Diego International Airport (SAN)

  • The address for SAN is Airport Drive.

  • 71.38% of flights taking off from San Diego International Airport land at their destination on time.

  • To get to San Diego International Airport from central San Diego, it takes around 10 minutes by car. This depends on traffic though. It's approximately 5 kilometres from the airport to the city centre.

  • The journey when using public transport takes roughly 20 minutes.

  • Have an early flight from San Diego International Airport to Billings Logan International Airport? Avoid rushing to the airport (and enjoy a little extra shut-eye) by choosing one of these hotels close to SAN:

Arriving at Billings Logan International Airport (BIL)

  • Book a hotel close to BIL if you're catching a late San Diego International Airport to Billings Logan International Airport flight. Settle into one of these accommodation options and skip the long transfer:

  • Grab a Billings Logan International Airport rental car and discover Billings and beyond with your own wheels. Alamo, Budget and Rent a Wreck are popular outlets to choose from here.

  • Book your vehicle from Billings Logan International Airport a few weeks before your departure to get the best possible rate. If you're planning to travel during a busy period, it's a smart idea to book even earlier.

Getting from Billings Logan International Airport (BIL) to central Billings

  • You'll find BIL at 1901 Terminal Circle, Room 216.

  • Billings Logan International Airport to central Billings has a drive time of around 10 minutes. It's approximately 5 kilometres away.

  • If you're taking public transport, expect a journey of about 25 minutes.

When to fly to Billings Logan International Airport (BIL)

  • July is the most popular month for flights from San Diego International Airport to Billings Logan International Airport. To skip the crowds, travel to Billings in February.

  • Lock in your flight from San Diego International Airport to Billings Logan International Airport for July if you want to explore Billings during its warmest month. You can expect temperatures of between 14ºC (57ºF) and 34ºC (93ºF).

  • Look for cheap tickets from SAN to BIL in February if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -18ºC (0ºF) and 8ºC (46ºF) on average.

Explore more of United States

  • You've visited Billings, now it's time to explore more of United States. Travel around 451 kilometres south-east to Rapid City to tick off its top attractions. From Dinosaur Park to Storybook Island and Museum of Geology, there's plenty to keep you on the go.

  • Around 434 kilometres west of Billings, Missoula is another essential stop in United States. Experience the best of this destination with a visit to A Carousel for Missoula, Brennan's Wave and Missoula Art Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.