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Cheap Flights from San Francisco International to Boise

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      Travellers and cabin class, 1 Adult, Economy

      Compare San Francisco International to Boise flight deals

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

      Book the best Boise fare with no extra fees

      Flight deals from San Francisco International to Boise

      Looking for a cheap last-minute deal or the best return flight from San Francisco International Airport to Boise Airport? If you want to travel next month, return fares start from R 3,309. Find the lowest prices on one-way and return tickets right here.
      Boise.R 1,244 per passenger.Departing Thu, 29 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Thu, 29 Oct, arriving in Boise.Price includes taxes and charges.From R 1,244, select.
      Boise.R 1,642 per passenger.Departing Tue, 17 Nov.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Tue, 17 Nov, arriving in Boise.Price includes taxes and charges.From R 1,642, select.
      Boise.R 1,642 per passenger.Departing Sat, 17 Oct.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Sat, 17 Oct, arriving in Boise.Price includes taxes and charges.From R 1,642, select.
      Boise.R 1,694 per passenger.Departing Tue, 1 Sep.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Tue, 1 Sep, arriving in Boise.Price includes taxes and charges.From R 1,694, select.
      Boise.R 1,694 per passenger.Departing Wed, 19 Aug.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Wed, 19 Aug, arriving in Boise.Price includes taxes and charges.From R 1,694, select.
      Boise.R 2,035 per passenger.Departing Mon, 20 Jul.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from San Francisco International on Mon, 20 Jul, arriving in Boise.Price includes taxes and charges.From R 2,035, select.
      Boise.R 2,116 per passenger.Departing Thu, 10 Dec.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Thu, 10 Dec, arriving in Boise.Price includes taxes and charges.From R 2,116, select.
      Boise.R 2,589 per passenger.Departing Thu, 1 Apr.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Thu, 1 Apr, arriving in Boise.Price includes taxes and charges.From R 2,589, select.
      Boise.R 2,589 per passenger.Departing Tue, 2 Mar.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Tue, 2 Mar, arriving in Boise.Price includes taxes and charges.From R 2,589, select.
      Boise.R 2,589 per passenger.Departing Fri, 1 Jan.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Fri, 1 Jan, arriving in Boise.Price includes taxes and charges.From R 2,589, select.
      Boise.R 2,589 per passenger.Departing Wed, 26 May.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Wed, 26 May, arriving in Boise.Price includes taxes and charges.From R 2,589, select.
      Boise.R 2,595 per passenger.Departing Sun, 7 Feb.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Sun, 7 Feb, arriving in Boise.Price includes taxes and charges.From R 2,595, select.
      Boise.R 2,841 per passenger.Departing Wed, 2 Jun.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Wed, 2 Jun, arriving in Boise.Price includes taxes and charges.From R 2,841, select.

      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 October.
      Jul
      from R 2,035
      Aug
      from R 1,694
      Sep
      from R 1,694
      Oct
      from R 1,244
      Nov
      from R 1,642
      Dec
      from R 2,116
      Jan
      from R 2,589
      Feb
      from R 2,595
      Mar
      from R 2,589
      Apr
      from R 2,589
      May
      from R 2,589
      Jun
      from R 2,841

      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.

      Boise

      5km from central Boise
      ClosestCheapest
      from R 1,244
      Search flights

      San Francisco to Boise: Flight information

      The things to know before you go.
      Cheapest flight foundR 1,244
      Cheapest month to flyOctober
      Average flight time1 hr, 52 mins
      Most popular airlineUnited
      Average flights per week158

      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 R 3,047. 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 52 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 July 2026, there are 158 flights per week flying from San Francisco International to Boise.
      The cheapest month to fly from San Francisco International to Boise is usually September.
      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 Wednesday, 16 September 2026.
      Yes – the average flight time is 1 hour and 52 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, Frontier Airlines and United offer the cheapest flight tickets to Boise.

      Travelling from San Francisco International Airport (SFO) to Boise Airport (BOI): what you need to know

      • Around 1 hour 50 minutes is how long you'll be travelling on a direct flight from San Francisco International Airport to Boise Airport.

      • Every week, there are 38 San Francisco International Airport to Boise Airport flights. If you'd like to be on board as early as possible, go for the 08:30 United Airlines flight. If you're eager to make the most of your time before flying, the latest flight is at 21:00 with United Airlines.

      • Get to the airport on time so you don't miss your SFO to BOI flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

      • You can expect longer lines in popular months like July. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a good idea.

      • United has direct flights from San Francisco International Airport to Boise Airport. Book with this popular carrier, then get ready to see the sights in Boise — and maybe even more of the United States if time allows.

      • The airline most travellers prefer to fly with on this route is United.

      • With a dependable 81.75% of services arriving on schedule, United has the best on-time performance for SFO to BOI flights.

      • Consider adding a stopover when booking your ticket from San Francisco International Airport to Boise Airport. Simply uncheck 'Direct flights only' to break up your trip, or enjoy a detour to a new and interesting place. Here's where you can stop between SFO and BOI:

        • Harry Reid International Airport

        • Salt Lake City Airport

        • Burbank Airport

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

      • Currently, R 1,244 is the lowest price we've seen for a one-way San Francisco International Airport to Boise Airport flight. The best price for a return plane ticket is R 3,047. Bear in mind that fares could change due to availability at the time of booking.

      • To find cheap tickets from SFO to BOI, book in advance. Airlines usually offer the most competitive fares when flights are first made available.

      • Schedule your trip for May. That's the cheapest month for flights from San Francisco International Airport to Boise Airport. If you're flexible on when you fly, try out the 'Whole month' tool to find the cheapest price across every month.

      • Stay on top of deals for cheap flights from SFO to BOI by setting up a Price Alert. You'll get an email or notification on the app when a new low fare is offered.

      • Select your ideal arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from San Francisco International Airport to Boise Airport.

      Handy information about San Francisco International Airport (SFO)

      • When it comes to San Francisco International Airport's on-time performance, data shows 78% of flights complete their journey on time.

      • San Francisco International Airport is about 21 kilometres from central San Francisco. If you're catching a taxi, ride-sharing or driving from the centre, it'll take 25 minutes or so to arrive, depending on the traffic.

      • Taking public transport? Expect a trip time of around 35 minutes.

      • Need a handy hotel near SFO? If you've booked an early flight from San Francisco International Airport to Boise Airport, these stays will put you moments from your departure lounge:

      Arriving at Boise Airport (BOI)

      • If you're getting in on a late San Francisco International Airport to Boise Airport flight, few things top the convenience of being close to the terminal. Collect your bags from the carousel and then be showered and sleeping not long after at one of these options near BOI:

      • Fast-track your adventure by picking up a Boise Airport rental car. Grab your wheels from Budget, Alamo or Avis to explore Boise and beyond.

      • For the best deal, book your ride from Boise Airport around one week in advance.

      Getting from Boise Airport (BOI) to central Boise

      • BOI is located at 3201 Airport Way.

      • Boise Airport is approximately 6 kilometres from the centre of Boise. The drive time takes about 15 minutes.

      • Travelling on public transport will take you around 30 minutes.

      When to fly to Boise Airport (BOI)

      • October is the most popular month for flights from San Francisco International Airport to Boise Airport. For smaller crowds, head to Boise in March.

      • The warmest month in Boise is July, with temperatures ranging between 15ºC (59ºF) and 35ºC (95ºF). Lock in your flights from San Francisco International Airport to Boise Airport in this month if this is the type of weather you enjoy.

      • If you like travelling in cooler conditions, search for a cheap ticket from SFO to BOI in January. Temperatures average between -11ºC (12ºF) and 5ºC (41ºF) then.

      Explore more of the United States

      • Boise is always a good idea, but there are so many other parts of the United States just waiting to be explored. Around 467 kilometres north of Boise, a visit to Spokane will fill your itinerary to the brim. Start with leading attractions like Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.

      • Salt Lake City is another well-known destination in the United States and is around 483 kilometres south-east of Boise. No trip is complete without visiting Salt Lake Utah Temple, Temple Square and Salt Lake City Tabernacle.

      Plan the rest of your trip from San Francisco to Boise

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