Cheap Flights from San Diego to Billings

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

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Flight deals from San Diego to Billings

Looking for a cheap last-minute deal or the best return flight from San Diego to Billings Airport? If you want to travel next month, return fares start from R 5,296. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Diego to Billings

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

San Diego to Billings: Alternative routes

Compare routes from San Diego 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 foundR 2,199
Cheapest month to flyAugust

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

The best price we found for a return flight from San Diego to Billings is R 3,632. 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 to Billings. But we found flights with one stop from R 3,632.
As of July 2026, there are no flights flying from San Diego to Billings.
The cheapest month to fly from San Diego to Billings is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Billings Airport on Thursday, 3 September 2026.
No airlines currently offer direct flights between San Diego 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.

The cheapest airline that flies to Billings is Frontier Airlines .

Flying from San Diego to Billings Logan International Airport (BIL): What you need to know

  • Billings is one hour ahead of San Diego. Billings Logan International Airport is located in Billings, which runs on the UTC-7 timezone.

  • Get to the airport on time so you don't miss your flight from San Diego to BIL. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • With more travellers during busy months like July, get to the terminal earlier than usual. Two hours for domestic flights and up to four for international journeys will allow for additional wait times. Remember things also get busy during major holidays like Thanksgiving.

Airports in San Diego

San Diego International Airport (SAN)

  • SAN is around 5 kilometres from central San Diego. If you're catching a taxi, driving or ride-sharing from the centre, it'll take you 15 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the travel time to be around 25 minutes.

  • Want an easy start to your trip? Stay near San Diego International Airport. Whether you're catching an early flight from San Diego to Billings Logan International Airport or just don't like being rushed, these hotels have you covered:

  • 74% of flights departing from San Diego International Airport arrive at their destination on time.

  • You'll find SAN at N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • The distance from San Diego's city centre to CLD is around 48 kilometres. Consider the available transport options and possible delays when planning the quickest way to get to the airport.

  • Want to treat yourself to an extra night away before boarding your San Diego to BIL flight? Unwind in a hotel near McClellan-Palomar Airport before your adventure officially begins. These stays have your key waiting:

  • Flights from McClellan-Palomar Airport are known for their punctuality, with 88% of them arriving on schedule.

About Billings Logan International Airport (BIL)

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

  • From Billings Logan International Airport, central Billings is around 10 kilometres away. It takes about 15 minutes to get to the city centre by car.

  • If you're travelling on public transport, expect a journey time of roughly 30 minutes.

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

  • Currently, R 2,199 is the best price we've found for a one-way ticket from San Diego to Billings Logan International Airport. The cheapest price for a return flight is R 3,632. Keep in mind fares may change due to demand at the time of booking.

  • To find cheap flights from San Diego to BIL, book early. Airlines usually offer the most competitive fares when tickets first go on sale.

  • If you can be flexible with your travel plans, try using the 'Whole month' search tool. It'll give you the cheapest price in each month when searching for your San Diego to Billings Logan International Airport ticket.

  • Spend less time searching for cheap plane tickets from San Diego to BIL by creating a Price Alert. We'll send you an email or notification through the app when fares go down.

  • Filters make it easier to snap up a deal on your flight from San Diego to Billings Logan International Airport. Pick the departure times, carriers and stops that work for you. Then sort the results by 'Cheapest' to zero in on the cheapest fare fast.

The best time to fly from San Diego to Billings Logan International Airport (BIL)

  • It's time to work out when to book your flight from San Diego to Billings Logan International Airport (BIL). June is the busiest month to travel to Billings. If you're all about a more relaxed kind of trip, think about going in December.

  • Lock in a San Diego to BIL plane ticket departing in July if you're eager to explore the city during its warmest month. You can expect temperatures in Billings to range from 13ºC (55ºF) to 34ºC (93ºF).

  • February sees temperatures of between -18ºC (0ºF) and 8ºC (46ºF). Search for cheap tickets from San Diego to Billings Logan International Airport around that time if you want to travel when it's cooler.

More about Billings

Explore more of the United States

  • Great Falls is just one of the many places in the United States waiting to be explored once you've seen the sights of Billings. Around 290 kilometres away to the northwest, its top attractions include Lewis & Clark National Historic Trail Interpretive Centre, Great Falls Dam View and St. Ann Cathedral.

  • Around 193 kilometres west of Billings, Bozeman is another favourite stop in the United States. No visit is complete without checking out Museum of the Rockies, American Prairie Reserve and American Prairie.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.