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Cheap Flights from San Francisco International to Bilbao

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      Travellers and cabin class, 1 Adult, Economy

      Compare San Francisco International to Bilbao flight deals

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

      Book the best Bilbao fare with no extra fees

      Flight deals from San Francisco International to Bilbao

      Looking for a cheap last-minute deal or the best return flight from San Francisco International Airport to Bilbao Airport? If you want to travel next month, return fares start from Rs162,778. Find the lowest prices on one-way and return tickets right here.
      Bilbao.Rs90,926 per passenger.Departing Mon, 28 Dec.One-way flight with SWISS.Outbound indirect flight with SWISS, departs from San Francisco International on Mon, 28 Dec, arriving in Bilbao.Price includes taxes and charges.From Rs90,926, select.
      Bilbao.Rs91,362 per passenger.Departing Wed, 11 Aug.One-way flight with SWISS.Outbound indirect flight with SWISS, departs from San Francisco International on Wed, 11 Aug, arriving in Bilbao.Price includes taxes and charges.From Rs91,362, select.
      Bilbao.Rs91,525 per passenger.Departing Mon, 1 Feb.One-way flight with KLM.Outbound indirect flight with KLM, departs from San Francisco International on Mon, 1 Feb, arriving in Bilbao.Price includes taxes and charges.From Rs91,525, select.
      Bilbao.Rs92,248 per passenger.Departing Mon, 19 Oct.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from San Francisco International on Mon, 19 Oct, arriving in Bilbao.Price includes taxes and charges.From Rs92,248, select.
      Bilbao.Rs93,410 per passenger.Departing Tue, 27 Jul.One-way flight with United.Outbound indirect flight with United, departs from San Francisco International on Tue, 27 Jul, arriving in Bilbao.Price includes taxes and charges.From Rs93,410, select.
      Bilbao.Rs94,604 per passenger.Departing Sun, 21 Mar.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from San Francisco International on Sun, 21 Mar, arriving in Bilbao.Price includes taxes and charges.From Rs94,604, select.
      Bilbao.Rs94,681 per passenger.Departing Mon, 19 Apr.One-way flight with Air France.Outbound indirect flight with Air France, departs from San Francisco International on Mon, 19 Apr, arriving in Bilbao.Price includes taxes and charges.From Rs94,681, select.
      Bilbao.Rs94,850 per passenger.Departing Wed, 5 May.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from San Francisco International on Wed, 5 May, arriving in Bilbao.Price includes taxes and charges.From Rs94,850, select.
      Bilbao.Rs95,350 per passenger.Departing Tue, 12 Jan.One-way flight with Air France.Outbound indirect flight with Air France, departs from San Francisco International on Tue, 12 Jan, arriving in Bilbao.Price includes taxes and charges.From Rs95,350, select.
      Bilbao.Rs104,780 per passenger.Departing Wed, 4 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Wed, 4 Nov, arriving in Bilbao.Price includes taxes and charges.From Rs104,780, select.
      Bilbao.Rs119,449 per passenger.Departing Thu, 24 Sep.One-way flight with French Bee.Outbound indirect flight with French Bee, departs from San Francisco International on Thu, 24 Sep, arriving in Bilbao.Price includes taxes and charges.From Rs119,449, select.
      Bilbao.Rs127,793 per passenger.Departing Tue, 15 Jun.One-way flight with Air France.Outbound indirect flight with Air France, departs from San Francisco International on Tue, 15 Jun, arriving in Bilbao.Price includes taxes and charges.From Rs127,793, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from San Francisco International to Bilbao found in the last 4 days, and are subject to change and availability.

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

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Francisco International to Bilbao flights are currently cheapest in December.
      Sep
      from Rs119,449
      Oct
      from Rs92,248
      Nov
      from Rs104,780
      Dec
      from Rs90,926
      Jan
      from Rs95,350
      Feb
      from Rs91,525
      Mar
      from Rs94,604
      Apr
      from Rs94,681
      May
      from Rs94,850
      Jun
      from Rs127,793
      Jul
      from Rs93,410
      Aug
      from Rs91,362

      San Francisco International to Bilbao: Alternative routes

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

      Bilbao

      5km from central Bilbao
      ClosestCheapest
      from Rs90,926
      Search flights

      Vitoria

      46km from central Bilbao
      Search flights

      Santander

      74km from central Bilbao
      from Rs92,299
      Search flights

      San Francisco to Bilbao: Flight information

      The things to know before you go.
      Cheapest flight foundRs90,926
      Cheapest month to flyDecember

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

      The best price we found for a return flight from San Francisco International to Bilbao is Rs162,778. 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 San Francisco International to Bilbao. But we found flights with one or more stops from Rs162,778.
      As of September 2026, there are no flights flying from San Francisco International to Bilbao.
      The cheapest month to fly from San Francisco International to Bilbao is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to Bilbao Airport on Monday, 12 October 2026.
      No airlines currently offer direct flights between San Francisco International Airport and Bilbao 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 Bilbao 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 Bilbao is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, SWISS offers the cheapest flight tickets to Bilbao.

      Flying from San Francisco International Airport (SFO) to Bilbao Airport (BIO): what you need to know

      • The timezone in Bilbao is UTC+1, which is nine hours ahead of San Francisco.

      • Arrive at the airport on time so you don't miss your SFO to BIO flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

      • During popular months like July, it's best to get to the airport even earlier. Arrive two hours before domestic departures and four hours ahead of international flights whenever you're flying during a high season in general.

      • If you want to split up your journey, simply deselect 'Direct flights only' when searching for your ticket from San Francisco International Airport to Bilbao Airport. Here are the most popular stopovers between SFO and BIO:

        • Frankfurt am Main Airport

        • Barcelona Airport

        • Zurich Airport

      How to find the cheapest flights from San Francisco International Airport (SFO) to Bilbao Airport (BIO)

      • The lowest price we've found for a one-way San Francisco International Airport to Bilbao Airport flight is Rs90,926. A return plane ticket right now is Rs162,778. Depending on the availability and when you book, these fares may change.

      • Don't wait until the last minute. You're more likely to find cheap tickets from SFO to BIO if you book in advance. Airlines often have some amazing early bird deals.

      • If you're willing to be flexible with your travel dates, use the 'Whole month' tool. It'll show you the lowest price in each month when looking for your flight from San Francisco International Airport to Bilbao Airport.

      • Spend less time searching for cheap flights from SFO to BIO by creating a Price Alert. You'll receive an email or notification through the app when fares go down.

      • Discover the perfect flight for you by using the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from San Francisco International Airport to Bilbao Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and number of stops.

      Handy information about San Francisco International Airport (SFO)

      • Of all flights departing from San Francisco International Airport, 78% land on schedule at their destination.

      • Central San Francisco to San Francisco International Airport is approximately 21 kilometres. Depending on traffic, it'll take you about 25 minutes to get there if you're catching a taxi, ride-sharing or driving.

      • The trip when using public transport usually takes 35 minutes.

      • Looking for a convenient hotel near SFO? If you're boarding an early flight from San Francisco International Airport to Bilbao Airport, these accommodation options will have you moments from your departure gate:

      Arriving at Bilbao Airport (BIO)

      • Consider booking a hotel close to BIO if you have a late San Francisco International Airport to Bilbao Airport flight. Select one of these options and skip the long transfer after landing:

      • Travel at your own pace with a Bilbao Airport rental car. Pick up a set of wheels from Record Go, Click and Rent or Goldcar and discover more of Bilbao and beyond.

      • Booking your ride from Bilbao Airport about four weeks ahead can help you secure the lowest rate.

      When to fly to Bilbao Airport (BIO)

      • It's time to work out your dates for your flight from San Francisco International Airport to Bilbao Airport. June is the busiest month to visit Bilbao. If you want a more relaxed vibe, go in March.

      • Lock in your flight from San Francisco International Airport to Bilbao Airport for August if you want to explore Bilbao during its warmest month. Expect temperatures of between 16ºC and 26ºC.

      • January sees average temperatures of between 5ºC and 13ºC. Look for cheap tickets from SFO to BIO around that time if you want to travel when it's cooler.

      Explore more of Spain

      • Zaragoza is just one of the many cities in Spain waiting to be explored after you've experienced Bilbao. Around 241 kilometres away to the south-east, check out popular attractions including Plaza del Pilar, La Seo del Salvador and Basílica de Nuestra Senora del Pilar.

      • Around 338 kilometres south-west of Bilbao, Salamanca is another favourite stop in Spain. Experience this destination's highlights firsthand at Catedral de Salamanca, Salamanca, Casco Historico and Plaza Mayor.

      Plan the rest of your trip from San Francisco to Bilbao

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