$339+ Cheap flights from San Francisco (SFO) to Bilbao (BIO)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BIO
Aug 30 — Sep 61
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Bilbao with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco to Bilbao
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Cheapest flights from San Francisco to BilbaoExplore the most affordable flight options available from San Francisco to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2026.
Explore the most affordable flight options available from San Francisco to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2026.
This Gotogate deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:30 pm
SFO
- BIO
1 stop16h 30m
TAP AIR PORTUGAL
Wed 10/712:25 pm
BIO
- SFO
1 stop35h 05m
TAP AIR PORTUGAL
Deal found 7/28![TAP AIR PORTUGAL logo]()
$628
This Booking.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:35 pm
SFO
- BIO
1 stop33h 55m
TAP AIR PORTUGAL
Tue 10/206:50 pm
BIO
- SFO
1 stop28h 45m
TAP AIR PORTUGAL
Deal found 7/30![TAP AIR PORTUGAL logo]()
$630
This FlightHub deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:35 pm
SFO
- BIO
1 stop33h 55m
TAP AIR PORTUGAL
Mon 10/1912:25 pm
BIO
- SFO
1 stop34h 10m
TAP AIR PORTUGAL
Deal found 7/29![TAP AIR PORTUGAL logo]()
$644
This Booking.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/74:30 pm
SFO
- BIO
1 stop34h 10m
TAP AIR PORTUGAL
Sun 11/86:40 pm
BIO
- SFO
1 stop29h 05m
TAP AIR PORTUGAL
Deal found 7/29![TAP AIR PORTUGAL logo]()
$688
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/134:20 pm
SFO
- BIO
1 stop34h 10m
TAP AIR PORTUGAL
Tue 10/206:50 pm
BIO
- SFO
1 stop28h 45m
TAP AIR PORTUGAL
Deal found 7/29![TAP AIR PORTUGAL logo]()
$691
This KAYAK deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/64:20 pm
SFO
- BIO
1 stop34h 10m
TAP AIR PORTUGAL
Mon 10/1212:25 pm
BIO
- SFO
1 stop34h 10m
TAP AIR PORTUGAL
Deal found 7/28![TAP AIR PORTUGAL logo]()
$707
This Ovago deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:35 pm
SFO
- BIO
1 stop33h 55m
TAP AIR PORTUGAL
Mon 10/1212:25 pm
BIO
- SFO
1 stop34h 10m
TAP AIR PORTUGAL
Deal found 7/28![TAP AIR PORTUGAL logo]()
$708
This Booking.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:20 pm
SFO
- BIO
1 stop31h 10m
TAP AIR PORTUGAL
Tue 9/156:50 pm
BIO
- SFO
1 stop28h 45m
TAP AIR PORTUGAL
Deal found 7/28![TAP AIR PORTUGAL logo]()
$710
This FlightHub deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:20 pm
SFO
- BIO
2 stops31h 10m
TAP AIR PORTUGAL
Tue 1/266:40 pm
BIO
- SFO
1 stop29h 05m
TAP AIR PORTUGAL
Deal found 7/26![TAP AIR PORTUGAL logo]()
$714
Best flights from San Francisco to BilbaoDiscover carefully curated flight deals from San Francisco to Bilbao that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2026.
Discover carefully curated flight deals from San Francisco to Bilbao that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2026.
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:05 pm
SFO
- BIO
1 stop17h 20m
United Airlines
Wed 10/76:50 am
BIO
- SFO
2 stops17h 31m
United Airlines
Deal found 7/30![United Airlines logo]()
$790
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:10 pm
SFO
- BIO
1 stop28h 40m
Delta
Mon 10/1212:00 pm
BIO
- SFO
1 stop32h 45m
Delta
Deal found 7/28![Delta logo]()
$792
This Turkish Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:45 pm
SFO
- BIO
1 stop37h 40m
Turkish Airlines
Sun 10/46:25 pm
BIO
- SFO
1 stop25h 25m
Turkish Airlines
Deal found 7/26![Turkish Airlines logo]()
$880
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:05 pm
SFO
- BIO
1 stop17h 20m
United Airlines
Wed 9/166:50 am
BIO
- SFO
2 stops25h 30m
United Airlines
Deal found 7/27![United Airlines logo]()
$822
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:00 am
SFO
- BIO
2 stops17h 50m
Delta
Thu 9/176:45 am
BIO
- SFO
2 stops18h 39m
Delta
Deal found 7/28![Delta logo]()
$835
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:00 am
SFO
- BIO
2 stops19h 15m
Delta
Thu 10/2212:00 pm
BIO
- SFO
1 stop32h 45m
Delta
Deal found 7/29![Delta logo]()
$844
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/91:55 pm
SFO
- BIO
1 stop19h 00m
United Airlines
Tue 10/136:50 am
BIO
- SFO
2 stops19h 52m
United Airlines
Deal found 7/28![United Airlines logo]()
$852
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2312:05 pm
SFO
- BIO
2 stops20h 50m
United Airlines
Sun 8/306:50 am
BIO
- SFO
1 stop14h 50m
United Airlines
Deal found 7/26![United Airlines logo]()
$917
Last-minute flights from San Francisco to BilbaoDiscover last-minute flight deals from San Francisco to Bilbao. Data last updated July 31, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Bilbao. Data last updated July 31, 2026 and is based on user searches.
This AranGrant deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/59:51 am
SFO
- BIO
2 stops22h 04m
British Airways
Sat 8/151:50 pm
BIO
- SFO
2 stops37h 58m
British Airways
Deal found 7/28![British Airways logo]()
$1,704
This FlightHub deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/81:27 pm
SFO
- BIO
2 stops34h 03m
British Airways
Fri 8/145:35 pm
BIO
- SFO
2 stops37h 45m
British Airways
Deal found 7/28![British Airways logo]()
$1,285
This Cheapflightsfares deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/89:05 pm
SFO
- BIO
1 stop17h 20m
Lufthansa
Fri 8/148:30 pm
BIO
- SFO
2 stops25h 10m
Lufthansa
Deal found 7/29![Lufthansa logo]()
$1,448
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:15 am
SFO
- BIO
1 stop17h 30m
United Airlines
Fri 8/1411:55 am
BIO
- SFO
1 stop35h 25m
United Airlines
Deal found 7/26![United Airlines logo]()
$1,470
One-way flights from San Francisco to BilbaoSearch for one-way flight options from San Francisco to Bilbao. Find affordable one-way fares based on user searches. Data last updated July 31, 2026.
Search for one-way flight options from San Francisco to Bilbao. Find affordable one-way fares based on user searches. Data last updated July 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:17 pm
SFO
- BIO
3 stops42h 23m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:27 pm
SFO
- BIO
2 stops25h 03m
American Airlines
Deal found 7/29![American Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:00 am
SFO
- BIO
3 stops54h 00m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:00 am
SFO
- BIO
3 stops54h 00m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:05 pm
SFO
- BIO
3 stops53h 10m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:00 pm
SFO
- BIO
3 stops43h 10m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$382
This Mytrip deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:25 pm
SFO
- BIO
1 stop14h 55m
SWISS
Deal found 7/29![SWISS logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:54 am
SFO
- BIO
3 stops35h 06m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$396
This French Bee deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure French Bee is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/134:05 pm
SFO
- BIO
1 stop18h 45m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$401
Find flight deals from San Francisco to Bilbao
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Bilbao (BIO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $628 (Gotogate) |
One-way from | $339 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $1,137 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Bilbao that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2026.
Use the filters below to find and compare flights from San Francisco to Bilbao that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San FranciscoBilbao
SFO - BIO
SFOBIO
San Francisco
Mon 9/21
9:05 pm-11:25 pm
1 stop17h 20m
Bilbao
Wed 10/7
6:50 am-3:21 pm
2 stops17h 31m
$790
San FranciscoBilbao
SFO - BIO
SFOBIO
San Francisco
Mon 10/5
8:10 pm-9:50 am
1 stop28h 40m
Bilbao
Mon 10/12
12:00 pm-11:45 am
1 stop32h 45m
$792
San FranciscoBilbao
SFO - BIO
SFOBIO
San Francisco
Wed 9/9
9:05 pm-11:25 pm
1 stop17h 20m
Bilbao
Wed 9/16
6:50 am-11:20 pm
2 stops25h 30m
$822
San FranciscoBilbao
SFO - BIO
SFOBIO
San Francisco
Mon 9/7
7:00 am-9:50 am
2 stops17h 50m
Bilbao
Thu 9/17
6:45 am-4:24 pm
2 stops18h 39m
$835
San FranciscoBilbao
SFO - BIO
SFOBIO
San Francisco
Thu 10/15
7:00 am-11:15 am
2 stops19h 15m
Bilbao
Thu 10/22
12:00 pm-11:45 am
1 stop32h 45m
$844
San FranciscoBilbao
SFO - BIO
SFOBIO
San Francisco
Fri 10/9
1:55 pm-5:55 pm
1 stop19h 00m
Bilbao
Tue 10/13
6:50 am-5:42 pm
2 stops19h 52m
$852
San FranciscoBilbao
SFO - BIO
SFOBIO
San Francisco
Tue 9/22
6:45 pm-5:25 pm
1 stop37h 40m
Bilbao
Sun 10/4
6:25 pm-10:50 am
1 stop25h 25m
$880
San FranciscoBilbao
SFO - BIO
SFOBIO
San Francisco
Sun 8/23
12:05 pm-5:55 pm
2 stops20h 50m
Bilbao
Sun 8/30
6:50 am-12:40 pm
1 stop14h 50m
$917
Cheapest one-way
San FranciscoBilbao
SFO - BIO
SFOBIO
San Francisco
Sat 8/22
4:05 pm-6:45 pm
1 stop17h 40m
$430
San FranciscoBilbao
SFO - BIO
SFOBIO
San Francisco
Sun 8/23
10:53 pm-5:25 pm
2 stops33h 32m
$460
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from San Francisco to Bilbao
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Bilbao in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star |
- Most accurate provider: When it comes to deals on San Francisco-Bilbao flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Bilbao flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Bilbao flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Bilbao flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Bilbao flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Francisco to Bilbao
Have a flexible travel schedule? Discover the best time to fly to Bilbao from San Francisco with our price prediction graph.
SFO-BIO
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to Bilbao
How far ahead should I book a flight from San Francisco to Bilbao?
The best time to book flights from San Francisco to Bilbao is 85 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from San Francisco to Bilbao?
Currently, October is the cheapest month in which you can book a flight from San Francisco to Bilbao (average of $552). Flying from San Francisco to Bilbao in June is currently the most expensive (average of $1,162). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from San Francisco to Bilbao?
Airfare is below average for this route at the moment.
San Francisco to Bilbao flights typically cost between $904 and $1,228 in September.The cheapest round-trip price found within the last 5 days was $628 on TAP AIR PORTUGAL (Sep 21-Oct 7).
Reviews of airlines servicing Bilbao
Get insights into the airlines that provide service to Bilbao. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bilbao. Reviews last updated July 31, 2026.
Read reviews from past customers who have flown KLM,United Airlines, andLufthansa from San Francisco to Bilbao. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.8
Food
7.3
Overall
7.8
Crew
8.4
Comfort
7.7
Entertainment
7.2
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Boarding
7.8
Food
7.3
Overall
7.8
Crew
8.4
Comfort
7.7
Entertainment
7.2
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Boarding
7.8
Food
7.3
Overall
7.8
Crew
8.4
Comfort
7.7
Entertainment
7.2
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Boarding
7.8
Food
7.3
Overall
7.8
Crew
8.4
Comfort
7.7
Entertainment
7.2
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Bilbao. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Bilbao flight routes
Complete your trip
Flights by cabin class
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Other flights from San Francisco
Popular flights
Alternative routes for San Francisco to Bilbao
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Other flights to Bilbao
Explore flights to Bilbao departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 31, 2026.
Complete your trip
Complete your trip to Bilbao by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Francisco to Bilbao by cabin class
Find flights from San Francisco to Bilbao, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Bilbao flights
Browse other San Francisco and Bilbao flight options. Last updated on July 31, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on July 31, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from San Francisco to Bilbao
Discover the top 3 airlines that operate flights from San Francisco to Bilbao. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$461 | Average$670 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$470 | Average$971 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$572 | Average$995 | FlexibilityNo cancel fee | On-time69% |