BIL - SFO

$136 Find Cheap Flights from Billings to San Francisco - Compare and Save

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Everything you should know

Cheapest round-trip
$350
Typical prices: $296-$466
Alaska Airlines
Wed 12/5Sun 12/9
BIL - SFO • 1 stop
Cheapest one-way
$136
Typical prices: $179-$439
Multiple Airlines
Sun 12/30
BIL - SFO • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Billings and San Francisco. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
February
Cheapest • 28% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $435 (round-trip)
Denver Intl (DEN)
Shortest trip • 5h 44m (one-way)
Insights
Insights
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Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Billings to San Francisco

Sat, Dec 5 - Wed, Dec 9
Alaska Airlines Logo
3:32 pm - 7:37 pmBIL  Billings Logan Intl-SFO San Francisco
5h 05m1 stop Portland
Alaska Airlines Logo
10:40 am - 10:58 pmSFO  San Francisco-BIL Billings Logan Intl
11h 18m1 stop Seattle/Tacoma Intl
$350Alaska Airlines
Sat, Dec 5 - Mon, Dec 14
Alaska Airlines Logo
3:32 pm - 7:37 pmBIL  Billings Logan Intl-SFO San Francisco
5h 05m1 stop Portland
Alaska Airlines Logo
5:50 pm - 11:24 amSFO  San Francisco-BIL Billings Logan Intl
16h 34m1 stop Seattle/Tacoma Intl
$350Alaska Airlines
Fri, Dec 18 - Fri, Jan 1
Multiple Airlines Logo
4:58 pm - 3:11 pmBIL  Billings Logan Intl-SFO San Francisco
23h 13m2 stops Phoenix-Mesa Gateway San Diego
Multiple Airlines Logo
5:25 pm - 2:07 pmSFO  San Francisco-BIL Billings Logan Intl
19h 42m1 stop Las Vegas Harry Reid Intl
$351Multiple Airlines
Thu, Dec 10 - Mon, Dec 14
Alaska Airlines Logo
12:04 pm - 9:48 pmBIL  Billings Logan Intl-SFO San Francisco
10h 44m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
3:58 pm - 11:24 amSFO  San Francisco-BIL Billings Logan Intl
18h 26m1 stop Seattle/Tacoma Intl
$352Alaska Airlines
Sat, Dec 5 - Wed, Dec 9
Alaska Airlines Logo
3:32 pm - 7:37 pmBIL  Billings Logan Intl-SFO San Francisco
5h 05m1 stop Portland
Alaska Airlines Logo
10:40 am - 10:58 pmSFO  San Francisco-BIL Billings Logan Intl
11h 18m1 stop Seattle/Tacoma Intl
$353Alaska Airlines
Tue, Dec 22 - Wed, Dec 30
American Airlines Logo
7:35 am - 5:55 pmBIL  Billings Logan Intl-SFO San Francisco
11h 20m2 stops Phoenix Sky Harbor Intl Los Angeles
American Airlines Logo
9:47 am - 10:59 pmSFO  San Francisco-BIL Billings Logan Intl
12h 12m2 stops Los Angeles Phoenix Sky Harbor Intl
$437American Airlines
Sat, Dec 5 - Sat, Dec 12
Delta Logo
6:21 pm - 10:27 pmBIL  Billings Logan Intl-SFO San Francisco
5h 06m1 stop Salt Lake City
Delta Logo
6:00 am - 5:41 pmSFO  San Francisco-BIL Billings Logan Intl
10h 41m2 stops Seattle/Tacoma Intl Salt Lake City
$440Delta
Fri, Dec 18 - Sat, Jan 2
Delta Logo
5:30 am - 1:24 pmBIL  Billings Logan Intl-SFO San Francisco
8h 54m2 stops Salt Lake City Seattle/Tacoma Intl
Delta Logo
10:02 am - 5:41 pmSFO  San Francisco-BIL Billings Logan Intl
6h 39m1 stop Salt Lake City
$440Delta
Mon, Dec 7 - Sat, Dec 12
Delta Logo
1:00 pm - 8:18 pmBIL  Billings Logan Intl-SFO San Francisco
8h 18m2 stops Salt Lake City Seattle/Tacoma Intl
Delta Logo
6:00 am - 5:41 pmSFO  San Francisco-BIL Billings Logan Intl
10h 41m2 stops Seattle/Tacoma Intl Salt Lake City
$448Delta
Sat, Mar 20 - Tue, Mar 23
United Airlines Logo
2:40 pm - 9:39 pmBIL  Billings Logan Intl-SFO San Francisco
7h 59m1 stop Denver Intl
United Airlines Logo
6:30 am - 1:20 pmSFO  San Francisco-BIL Billings Logan Intl
5h 50m1 stop Denver Intl
$487United Airlines
Booking Insights

Price, demand and travel trends for Billings to San Francisco flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Billings to San Francisco?

Round-trip flights from Billings to San Francisco typically range from $296 to $466. The lowest price found in the past 5 days was $350, on Alaska Airlines.

What's the cheapest day of the week to fly from Billings to San Francisco?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Billings to San Francisco. It’s 16% cheaper than the average day, while Wednesday is the most expensive, with prices 33% higher.

What’s the cheapest month to fly from Billings to San Francisco?

•February is the cheapest month to fly from Billings to San Francisco at $274 round-trip.
•August ($678) and October ($531) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 147% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Billings to San Francisco flights

Low season

October

Cheapest flight

$136
Beat the crowds with an average 78% drop in travelers.
The most popular month to fly with an average 78% increase in travelers.
One-way flight from Billings to San Francisco

When to book flights from Billings to San Francisco

Are your dates flexible? Find out the best times to travel from Billings to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Billings to San Francisco flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Billings to San Francisco?

    Two cabin classes are available on flights from Billings to San Francisco:

    • Economy Class
    • First Class

  • How long is a flight from Billings to San Francisco?

    A nonstop flight from Billings to San Francisco takes 00m, covering 908 miles.

  • Do I need a passport to fly from Billings to San Francisco?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Billings to San Francisco flight?

    Round-trip flights from Billings to San Francisco range from $296 to $466, with an average of $380 over the past 12 months. Anything below $296 counts as a good deal.

  • How are flight prices from Billings to San Francisco looking right now?

    One-way fares from Billings to San Francisco are currently lower than usual. Average one-way flight prices are about $253, which is 10% below the typical average for this route.

  • What car rental options are available at San Francisco Airport (SFO)?

    San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates averaging $63 for economy cars. Top options include:

    • Europcar
    • Thrifty
    • Dollar
    • Hertz
    • Fox

  • Which airports can I use when flying from Billings to San Francisco?

    Flights from Billings to San Francisco usually depart from Billings Logan Intl (BIL) and arrive at San Francisco (SFO).

  • Which airports do connecting flights from Billings to San Francisco pass through?

    One-stop flights from Billings to San Francisco most commonly connect through:

    • Salt Lake City (SLC) - 71% of one-stop connections
    • Denver Intl (DEN) - 21% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 8% of one-stop connections

  • Can I save money by using flexible dates for flights from Billings to San Francisco?

    Yes. Flexible dates can save you up to 37% on flights from Billings to San Francisco. Thursday is the cheapest departure day at $322 round-trip on average, while Wednesday is the most expensive at $509, a difference of $187.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Billings to San Francisco?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 42m, compared with 5h 44m via Denver Intl (DEN) and 6h 45m via Seattle/Tacoma Intl (SEA).

  • What is the time difference between Billings and San Francisco?

    San Francisco is 1 hour behind Billings (Pacific Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in San Francisco?

    Some of the most popular sights in San Francisco are Fisherman's Wharf, Union Square and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.

Your guide to booking Billings to San Francisco flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Wednesday. On this route, Thursday flights average $322, about $187 less than Wednesday fares (37% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Billings to San Francisco trip for February. Fares historically average $274 round-trip in that month - typically $404 less than the most expensive month, which is August (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Francisco Airport.

    • Grand Hyatt At Sfo

More options for your flight from Billings to San Francisco

Complete your trip to San Francisco with a hotel stay or car rental

Car rentals in San Francisco
Hotels in San Francisco
Vacations in San Francisco