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Cheap flights from Buffalo Niagara to San Francisco International

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Compare Buffalo Niagara to San Francisco International flight deals

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

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Flight deals from Buffalo Niagara to San Francisco International

Looking for a cheap last-minute deal or the best return flight from Buffalo Niagara to San Francisco International? Find the lowest prices on one-way and return tickets right here.
San Francisco.P11,245 per passenger.Departing Thu, 28 Aug, returning Sun, 31 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Thu, 28 Aug, arriving in San Francisco International.Inbound indirect flight with Frontier Airlines, departs from San Francisco International on Sun, 31 Aug, arriving in Buffalo Niagara.Price includes taxes and charges.From P11,245, select.
San Francisco.P12,191 per passenger.Departing Fri, 11 Jul, returning Sun, 20 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Fri, 11 Jul, arriving in San Francisco International.Inbound indirect flight with Frontier Airlines, departs from San Francisco International on Sun, 20 Jul, arriving in Buffalo Niagara.Price includes taxes and charges.From P12,191, select.
San Francisco.P12,191 per passenger.Departing Sun, 15 Jun, returning Sun, 22 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Sun, 15 Jun, arriving in San Francisco International.Inbound indirect flight with Frontier Airlines, departs from San Francisco International on Sun, 22 Jun, arriving in Buffalo Niagara.Price includes taxes and charges.From P12,191, select.
San Francisco.P12,843 per passenger.Departing Sat, 24 May, returning Mon, 2 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Sat, 24 May, arriving in San Francisco International.Inbound indirect flight with Frontier Airlines, departs from San Francisco International on Mon, 2 Jun, arriving in Buffalo Niagara.Price includes taxes and charges.From P12,843, select.
San Francisco.P13,054 per passenger.Departing Sat, 24 May, returning Mon, 26 May.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Sat, 24 May, arriving in San Francisco International.Inbound indirect flight with Frontier Airlines, departs from San Francisco International on Mon, 26 May, arriving in Buffalo Niagara.Price includes taxes and charges.From P13,054, select.
San Francisco.P13,911 per passenger.Departing Tue, 9 Sep, returning Tue, 9 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Tue, 9 Sep, arriving in San Francisco International.Inbound indirect flight with Southwest Airlines, departs from San Francisco International on Tue, 9 Sep, arriving in Buffalo Niagara.Price includes taxes and charges.From P13,911, select.
San Francisco.P14,920 per passenger.Departing Sat, 28 Jun, returning Thu, 31 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Sat, 28 Jun, arriving in San Francisco International.Inbound indirect flight with Frontier Airlines, departs from San Francisco International on Thu, 31 Jul, arriving in Buffalo Niagara.Price includes taxes and charges.From P14,920, select.
San Francisco.P15,183 per passenger.Departing Fri, 14 Nov, returning Wed, 19 Nov.Return flight with United.Outbound indirect flight with United, departs from Buffalo Niagara on Fri, 14 Nov, arriving in San Francisco International.Inbound indirect flight with United, departs from San Francisco International on Wed, 19 Nov, arriving in Buffalo Niagara.Price includes taxes and charges.From P15,183, select.

Find the cheapest month to fly from Buffalo Niagara to San Francisco International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Buffalo Niagara to San Francisco International flights are currently cheapest in August.
May
from P13,054
Jun
from P12,191
Jul
from P12,191
Aug
from P11,245
Sep
from P13,911
Oct
from P20,924
Nov
from P15,183
Dec
from P15,423
Jan
Find prices
Feb
Find prices
Mar
from P21,006
Apr
Find prices

Buffalo Niagara to San Francisco International: Alternative routes

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

Buffalo to San Francisco: Flight information

The things to know before you go.
Cheapest flight foundP11,243
Cheapest month to flyAugust

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

The best price we found for a return flight from Buffalo Niagara to San Francisco International is P11,245. 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 Buffalo Niagara to San Francisco International. But we found flights with one or more stops from P11,245.
As of May 2025, there are no flights flying from Buffalo Niagara to San Francisco International.
The cheapest month to fly from Buffalo Niagara 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 Buffalo Niagara Airport to San Francisco International Airport on Thursday, 28 August 2025.
No airlines currently offer direct flights between Buffalo Niagara 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, Frontier Airlines offers the cheapest flight tickets to San Francisco International.

Flying from Buffalo Niagara International Airport (BUF) to San Francisco International Airport (SFO): what you need to know

  • San Francisco's timezone is UTC-7, which makes San Francisco three hours behind Buffalo.

  • Give yourself enough time to make your BUF to SFO flight. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Be prepared for longer lines during popular months such as August. Arriving up to four hours ahead of an international flight and two hours for a domestic departure will help ensure a smooth travel experience.

  • Think about adding a stopover when booking your ticket from Buffalo Niagara International Airport to San Francisco International Airport. Simply deselect 'Direct flights only' to break up your journey, or perhaps explore a new destination along the way. Check out these options between BUF and SFO:

    • Harry Reid Airport (formerly McCarran Airport)

    • Detroit Metropolitan Wayne County Airport

    • O'Hare International Airport

How to find the cheapest flights from Buffalo Niagara International Airport (BUF) to San Francisco International Airport (SFO)

  • The cheapest price we've seen for a one-way Buffalo Niagara International Airport to San Francisco International Airport flight is P5,610. A round-trip plane ticket right now is P11,245. Depending on the availability and when you book, these fares may change.

  • It's often best to book ahead of time if you want to get cheap tickets from BUF to SFO. That's because airlines change prices based on demand, which tends to increase closer to the date of departure.

  • Getting cheap flights from Buffalo Niagara International Airport to San Francisco International Airport is easy if you can be flexible with your travel dates. Use the 'Whole month' search function to see the lowest fares throughout the month and score a great deal.

  • You don't need to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll send you an update the moment the price changes on cheap flights from BUF to SFO.

  • Tailor your trip with filters. Choose your departure and arrival times, airlines and total journey duration. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from Buffalo Niagara International Airport to San Francisco International Airport.

Handy information about Buffalo Niagara International Airport (BUF)

  • BUF is located at Genesee Street.

  • When it comes to Buffalo Niagara International Airport's on-time performance, data shows 75.46% of flights stick to their scheduled arrival time.

  • Buffalo Niagara International Airport is around 18 kilometres from central Buffalo. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 20 minutes or so to arrive, depending on the traffic.

  • The trip on public transport will take about 1 hour 15 minutes.

  • Have an early flight from Buffalo Niagara International Airport to San Francisco International Airport? Avoid the last-minute rush to the airport (and enjoy a little extra shut-eye) by choosing one of these stays near BUF:

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 around 20 minutes. It's approximately 21 kilometres away.

  • It takes around 45 minutes if you're using public transport.

When to fly to San Francisco International Airport (SFO)

  • It's time to pick your trip dates for your flight from Buffalo Niagara International Airport to San Francisco International Airport. August is the busiest month to visit San Francisco. If you want a more laid-back vibe, go in February.

  • Lock in your flight from Buffalo Niagara International Airport to San Francisco International Airport for September if you'd like to visit San Francisco during its warmest month. You can expect temperatures of between 12ºC (54ºF) and 22ºC (72ºF).

  • If you want cooler conditions, search for a cheap ticket from BUF to SFO in January. Average temperatures are between 6ºC (43ºF) and 16ºC (61ºF) then.

Explore more of United States

  • You've done San Francisco, now it's time to explore other parts of United States. Journey around 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, you've got a jam-packed schedule ahead.

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

More travel options

Plan the rest of your trip from Buffalo to San Francisco

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