Cheap flights from San Francisco International to Boise

Compare San Francisco International to Boise flight deals

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

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Flight deals from San Francisco International to Boise

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

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

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

Direct flights from San Francisco International to Boise

San Francisco International to Boise: Alternative routes

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

San Francisco to Boise: Flight information

The things to know before you go.
Cheapest flight foundP7,678
Cheapest month to flyDecember
Average flight time1 hr, 50 mins
Most popular airlineUnited
Average flights per week136

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

The best price we found for a return flight from San Francisco International to Boise is P7,678. 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.
1 hour and 50 minutes is the average flight time from San Francisco International to Boise.
United, SkyWest Airlines and Air Canada fly direct from San Francisco International to Boise.
As of November 2025, there are 136 flights per week flying from San Francisco International to Boise.
The cheapest month to fly from San Francisco International to Boise is usually December.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to Boise Airport on Thursday, 11 December 2025.
Yes – the average flight time is 1 hour and 50 minutes.
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 Boise 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 Boise is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Boise.

Flying from San Francisco International Airport (SFO) to Boise Air Terminal (Gowen Field) Airport (BOI): what you need to know

  • The average length of a direct flight from San Francisco International Airport to Boise Air Terminal (Gowen Field) Airport is 1 hour 40 minutes.

  • Each week, there are 44 San Francisco International Airport to Boise Air Terminal (Gowen Field) Airport flights. If you prefer to be on board as soon as possible, take the 08:25 United Airlines flight. If you're eager to make the most of your day before you fly, the latest flight is at 19:33 with Alaska Airlines.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to board your SFO to BOI flight.

  • During popular months like August, it's best to get to the airport earlier. Plan to arrive two hours before a domestic departure and four hours ahead of an international flight when you fly during peak periods in general.

  • Alaska Airlines has direct flights from San Francisco International Airport to Boise Air Terminal (Gowen Field) Airport. Book with this popular airline, then get ready to tick off the sights in Boise — and maybe even more of United States if time allows.

  • The majority of passengers choose to travel with Alaska Airlines on this route.

  • With 79.5% of its services landing on schedule, United Airlines is the most punctual carrier operating SFO to BOI flights.

  • If you'd like to add a stop to your trip, simply uncheck 'Direct flights only' when searching for your ticket from San Francisco International Airport to Boise Air Terminal (Gowen Field) Airport. Here are the top stopovers between SFO and BOI:

    • Salt Lake City International Airport

    • Harry Reid Airport (formerly McCarran Airport)

    • Bob Hope Airport

How to find the cheapest flights from San Francisco International Airport (SFO) to Boise Air Terminal (Gowen Field) Airport (BOI)

  • P4,384 is the lowest price for a one-way San Francisco International Airport to Boise Air Terminal (Gowen Field) Airport flight. A return flight starts from P7,678. These prices can change based on availability and demand.

  • Book six months before your departure date. After looking at the numbers on our calendar, this is how far you should book ahead to secure cheap tickets from SFO to BOI.

  • Schedule your trip for May. That's the cheapest month for flights from San Francisco International Airport to Boise Air Terminal (Gowen Field) Airport. If your travel dates are flexible, try out the 'Whole month' tool to see the cheapest airfare across each month.

  • Picking up cheap flights from SFO to BOI is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know as soon as a new discounted fare appears.

  • Lock in the perfect flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from San Francisco International Airport to Boise Air Terminal (Gowen Field) Airport, use the 'Sort by' function. You can also filter results by airline, departure and arrival times, and journey duration.

Handy information about San Francisco International Airport (SFO)

  • Of all flights leaving San Francisco International Airport, 77.36% land on schedule at their destination.

  • Central San Francisco to San Francisco International Airport is around 21 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're driving, catching a cab or ride-sharing.

  • Taking public transport? Expect a trip time of around 45 minutes.

  • Catching an early flight from San Francisco International Airport to Boise Air Terminal (Gowen Field) Airport? Avoid the last-minute rush to the airport (and enjoy a little extra shut-eye) by picking one of these hotels near SFO:

Arriving at Boise Air Terminal (Gowen Field) Airport (BOI)

Getting from Boise Air Terminal (Gowen Field) Airport (BOI) to central Boise

  • The street address for BOI is 3201 Airport Way.

  • From Boise Air Terminal (Gowen Field) Airport, Boise is approximately 18 kilometres away. It takes around 20 minutes to get to the centre driving.

  • Travelling to the centre on public transport takes about 1 hour 35 minutes.

When to fly to Boise Air Terminal (Gowen Field) Airport (BOI)

  • It's time to pick your dates for your flight from San Francisco International Airport to Boise Air Terminal (Gowen Field) Airport. July is the most popular month to head to Boise. If you want a more low-key vibe, go in May.

  • When booking your flight from San Francisco International Airport to Boise Air Terminal (Gowen Field) Airport, think about the kind of weather you enjoy. July is the warmest month in Boise, with temperatures ranging from 15ºC (59ºF) to 35ºC (95ºF).

  • Search for cheap tickets from SFO to BOI in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between -11ºC (12ºF) and 5ºC (41ºF) on average.

Explore more of United States

  • You've seen Boise, now it's time to discover other corners of United States. Journey around 467 kilometres north to Spokane to check off its top attractions. From Manito Park to Northwest Museum of Arts & Culture and Spokane Falls, you'll have a full itinerary ahead.

  • If you want to check out another great destination in United States, consider Salt Lake City, about 483 kilometres south-east of Boise. Temple Square, Utah State Capitol and Red Butte Garden are among its highlights.

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