Cheap Flights from Billings (BIL) to San Francisco (SFO)

Travellers and cabin class

Compare Billings to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

Book the best San Francisco International fare with no extra fees

Flight deals from Billings to San Francisco International

Looking for a cheap last-minute deal or the best return flight from Billings to San Francisco International? Find the lowest prices on one-way and return tickets right here.

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

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

Billings to San Francisco International: Alternative routes

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

Billings to San Francisco: Flight information

The things to know before you go.
Cheapest flight found$378
Cheapest month to flyMay

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

The best price we found for a return flight from Billings to San Francisco International is $378. 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 Billings to San Francisco International. But we found flights with one or more stops from $378.
As of May 2025, there are no flights flying from Billings to San Francisco International.
The cheapest month to fly from Billings to San Francisco International is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Billings Airport to San Francisco International Airport on Saturday, 24 May 2025.
No airlines currently offer direct flights between Billings Airport and San Francisco International 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 San Francisco International 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 San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to San Francisco International.

Flying from Billings Logan International Airport (BIL) to San Francisco International Airport (SFO): what you need to know

  • San Francisco's timezone is UTC-7, which makes San Francisco one hour behind Billings.

  • To ensure you catch your BIL to SFO flight, allow plenty of time to check in and drop off your luggage. Turning up two hours before international departures and an hour before domestic flights is the general rule.

  • During popular months like July, it's best to get to the airport earlier than usual. Plan to arrive two hours before a domestic departure and four hours ahead of an international flight when you travel during a high season in general.

  • If you want to break up your flight, just uncheck 'Direct flights only' when searching for your ticket from Billings Logan International Airport to San Francisco International Airport. These are the most popular stopovers between BIL and SFO:

    • Salt Lake City International Airport

    • Harry Reid Airport (formerly McCarran Airport)

    • Denver International Airport

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

  • $219 is the lowest price for a one-way Billings Logan International Airport to San Francisco International Airport flight. Return flights start at $378. These prices may change based on availability.

  • Don't wait until the last moment. You're more likely to get cheap tickets from BIL to SFO if you book in advance. Airlines often offer some excellent early bird deals.

  • If you're flexible with your travel dates, try using the 'Whole month' tool. It'll give you the lowest price across each month when searching for your flight from Billings Logan International Airport to San Francisco International Airport.

  • Getting your hands on cheap flights from BIL to SFO is easy with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you as soon as a lower fare pops up.

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

Handy information about Billings Logan International Airport (BIL)

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

  • 75.96% of flights leaving from Billings Logan International Airport land at their destination on schedule.

  • Billings Logan International Airport is about 5 kilometres from central Billings. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 10 minutes or so to arrive, depending on the traffic.

  • You can expect a trip time of about 25 minutes when using public transport.

  • Catching an early flight from Billings Logan International Airport to San Francisco International Airport? Avoid the last-minute rush to the airport (and sneak in some extra snooze time) by picking one of these hotels near BIL:

Arriving at San Francisco International Airport (SFO)

Getting from San Francisco International Airport (SFO) to central San Francisco

  • San Francisco International Airport to the centre of San Francisco has a drive time of about 20 minutes. It's approximately 21 kilometres away.

  • If you're travelling on public transport, expect a journey of roughly 45 minutes.

When to fly to San Francisco International Airport (SFO)

  • It's time to work out your dates for your flight from Billings Logan International Airport to San Francisco International Airport. August is the busiest month to visit San Francisco. If you want a more low-key vibe, go in February.

  • Book your flight from Billings Logan International Airport to San Francisco International Airport for September if you want to explore San Francisco during its warmest month. You can expect temperatures of between 12ºC (54ºF) and 22ºC (72ºF).

  • January sees average temperatures of between 6ºC (43ºF) and 16ºC (61ºF). Look for cheap tickets from BIL to SFO around that time if you'd rather travel in cooler conditions.

Explore more of United States

  • You've seen San Francisco, now it's time to discover more of United States. Journey about 64 kilometres south-east to San Jose to check off its leading sights. From Winchester Mystery House to Rosicrucian Egyptian Museum and San Jose Museum of Art, your itinerary will be busy.

  • Fresno is another must-experience destination in United States and is around 257 kilometres south-east of San Francisco. No journey is complete without visiting Forestiere Underground Gardens, Fresno Chaffee Zoo and Shinzen Japanese Garden.

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