Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Francisco to Bilbao from $316

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Bilbao departing on 8/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from San Francisco to Bilbao

Cheap round-trip flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
4:35 pm - 11:30 am
SFO
-
BIO
33h 55m
1 stop
TAP AIR PORTUGAL Logo
12:25 pm - 2:35 pm
BIO
-
SFO
35h 10m
1 stop
$548TAP AIR PORTUGAL
Tue, Apr 14 - Mon, May 4
TAP AIR PORTUGAL Logo
4:30 pm - 6:00 pm
SFO
-
BIO
16h 30m
1 stop
TAP AIR PORTUGAL Logo
6:50 pm - 2:35 pm
BIO
-
SFO
28h 45m
1 stop
$617TAP AIR PORTUGAL
Mon, Sep 7 - Tue, Sep 15
Turkish Airlines Logo
6:45 pm - 11:10 am
SFO
-
BIO
31h 25m
1 stop
Turkish Airlines Logo
6:20 pm - 4:40 pm
BIO
-
SFO
31h 20m
1 stop
$639Turkish Airlines
Wed, Apr 15 - Wed, Apr 22
Turkish Airlines Logo
6:45 pm - 11:10 am
SFO
-
BIO
31h 25m
1 stop
Turkish Airlines Logo
12:10 pm - 4:40 pm
BIO
-
SFO
37h 30m
1 stop
$641Turkish Airlines
Sun, Apr 19 - Tue, May 5
TAP AIR PORTUGAL Logo
7:20 pm - 11:30 am
SFO
-
BIO
31h 10m
2 stops
TAP AIR PORTUGAL Logo
6:50 pm - 2:35 pm
BIO
-
SFO
28h 45m
1 stop
$651TAP AIR PORTUGAL
Tue, Aug 4 - Tue, Aug 18
Turkish Airlines Logo
6:45 pm - 5:20 pm
SFO
-
BIO
37h 35m
1 stop
Turkish Airlines Logo
6:20 pm - 4:40 pm
BIO
-
SFO
31h 20m
1 stop
$652Turkish Airlines
Tue, Apr 7 - Wed, Apr 29
Turkish Airlines Logo
12:55 pm - 5:20 pm
SFO
-
BIO
19h 25m
1 stop
Turkish Airlines Logo
6:20 pm - 10:50 am
BIO
-
SFO
25h 30m
1 stop
$661Turkish Airlines
Tue, Apr 7 - Wed, Apr 29
Turkish Airlines Logo
6:45 pm - 11:10 am
SFO
-
BIO
31h 25m
1 stop
Turkish Airlines Logo
6:20 pm - 4:40 pm
BIO
-
SFO
31h 20m
1 stop
$674Turkish Airlines
Wed, Apr 15 - Wed, Apr 22
Turkish Airlines Logo
6:45 pm - 11:10 am
SFO
-
BIO
31h 25m
1 stop
Turkish Airlines Logo
6:20 pm - 4:40 pm
BIO
-
SFO
31h 20m
1 stop
$678Turkish Airlines
Wed, Apr 15 - Wed, Apr 22
Turkish Airlines Logo
6:45 pm - 5:20 pm
SFO
-
BIO
37h 35m
1 stop
Turkish Airlines Logo
12:10 pm - 4:40 pm
BIO
-
SFO
37h 30m
1 stop
$681Turkish Airlines
Fri, Apr 17 - Fri, Apr 24

TAP AIR PORTUGAL flights from San Francisco to Bilbao

Our best TAP AIR PORTUGAL deals on San Francisco to Bilbao flight tickets
TAP AIR PORTUGAL
Apr 14
SFO4:35 pmSan Francisco
33h 55m
1 stop
BIO11:30 amBilbao
May 4
BIO12:25 pmBilbao
35h 10m
1 stop
SFO2:35 pmSan Francisco
$548
TAP AIR PORTUGAL
Sep 7
SFO4:30 pmSan Francisco
16h 30m
1 stop
BIO6:00 pmBilbao
Sep 15
BIO6:50 pmBilbao
28h 45m
1 stop
SFO2:35 pmSan Francisco
$617
TAP AIR PORTUGAL
Aug 4
SFO7:20 pmSan Francisco
31h 10m
2 stops
BIO11:30 amBilbao
Aug 18
BIO6:50 pmBilbao
28h 45m
1 stop
SFO2:35 pmSan Francisco
$651

United Airlines flights from San Francisco to Bilbao

Our best United Airlines deals on San Francisco to Bilbao flight tickets
United Airlines
May 5
SFO1:45 pmSan Francisco
19h 10m
1 stop
BIO5:55 pmBilbao
May 12
BIO6:50 amBilbao
22h 10m
1 stop
SFO8:00 pmSan Francisco
$769
United Airlines
May 5
SFO11:10 amSan Francisco
21h 45m
2 stops
BIO5:55 pmBilbao
May 12
BIO2:05 pmBilbao
14h 55m
1 stop
SFO8:00 pmSan Francisco
$773
United Airlines
May 5
SFO12:05 pmSan Francisco
20h 50m
2 stops
BIO5:55 pmBilbao
May 12
BIO6:50 amBilbao
21h 40m
2 stops
SFO7:30 pmSan Francisco
$783

momondo 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, momondo users made 832,500 searches. Data last updated March 22, 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

Price

Cheapest round-trip

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 4/14

4:35 pm-11:30 am

1 stop33h 55m

Bilbao

Mon 5/4

12:25 pm-2:35 pm

1 stop35h 10m

$548

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Mon 9/7

4:30 pm-6:00 pm

1 stop16h 30m

Bilbao

Tue 9/15

6:50 pm-2:35 pm

1 stop28h 45m

$617

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Wed 4/15

6:45 pm-11:10 am

1 stop31h 25m

Bilbao

Wed 4/22

6:20 pm-4:40 pm

1 stop31h 20m

$639

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Sun 4/19

6:45 pm-11:10 am

1 stop31h 25m

Bilbao

Tue 5/5

12:10 pm-4:40 pm

1 stop37h 30m

$641

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 8/4

7:20 pm-11:30 am

2 stops31h 10m

Bilbao

Tue 8/18

6:50 pm-2:35 pm

1 stop28h 45m

$651

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 4/7

6:45 pm-5:20 pm

1 stop37h 35m

Bilbao

Wed 4/29

6:20 pm-4:40 pm

1 stop31h 20m

$652
Quickest round-trip

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 4/7

12:55 pm-5:20 pm

1 stop19h 25m

Bilbao

Wed 4/29

6:20 pm-10:50 am

1 stop25h 30m

$661

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Wed 4/15

6:45 pm-11:10 am

1 stop31h 25m

Bilbao

Wed 4/22

6:20 pm-4:40 pm

1 stop31h 20m

$674

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Wed 4/15

6:45 pm-11:10 am

1 stop31h 25m

Bilbao

Wed 4/22

6:20 pm-4:40 pm

1 stop31h 20m

$678

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Fri 4/17

6:45 pm-5:20 pm

1 stop37h 35m

Bilbao

Fri 4/24

12:10 pm-4:40 pm

1 stop37h 30m

$681

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Bilbao from

How to get the cheapest flight ticket from San Francisco to Bilbao

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Bilbao?

The cheapest month to fly to Bilbao from San Francisco is in October. Flight prices, which tend to average around $556, are often lower during this time because this is during the off-season. If you’re not able to fly to Bilbao in October, then November is your next best option. Flight prices from San Francisco to Bilbao during November average around $625.

How far in advance should I book a flight to Bilbao?

You are more likely to see cheaper flights to Bilbao from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Bilbao for around $793 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bilbao from San Francisco for as low as $717 on momondo.

How have San Francisco to Bilbao flight prices changed over time?

As of March 2026, prices for San Francisco to Bilbao flights are approximately 14% cheaper when compared to flights at the same time last year.

When to book flights from San Francisco to Bilbao

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Bilbao according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Bilbao (SFO to BIO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Bilbao

Fastest flight time

16h 30m

Direct flights

None
The fastest flight from San Francisco to Bilbao takes 16h 30m
There are no direct flights from San Francisco to Bilbao. There are no popular flight routes from San Francisco to Bilbao.
Search flight deals

  • How far is San Francisco to Bilbao by plane?

    There are 5671.4 mi between San Francisco and Bilbao. Flights usually cover this in 16h 30m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from San Francisco Airport to Bilbao Airport?

    Prices for flights from San Francisco Airport to Bilbao Airport refresh daily.

  • How many operators does momondo search for flights from San Francisco Airport to Bilbao Airport?

  • How old do you have to be to fly from San Francisco Airport to Bilbao Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Bilbao Airport.

  • What documentation or ID do you need to fly to Bilbao Airport?

    The travel and health documents required for your trip to Bilbao Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bilbao Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from San Francisco to Bilbao?

Best airlines flying from San Francisco to Bilbao

Compare and see reviews for airlines that fly from San Francisco to Bilbao with momondo
Airline
Rating
Free Cancellation
Price
LEVELPriceFrom $380Free CancellationRating
0.0
Search LEVEL flights
SWISSPriceFrom $447Free CancellationRating
7.5
1,901 reviews
Search SWISS flights
KLMPriceFrom $470Free CancellationRating
7.8
1,477 reviews
Search KLM flights
LufthansaPriceFrom $472Free CancellationRating
6.8
7,862 reviews
Search Lufthansa flights
United AirlinesPriceFrom $572Free CancellationRating
7.4
9,458 reviews
Search United Airlines flights
DeltaPriceFrom $616Free CancellationRating
7.9
8,319 reviews
Search Delta flights

Traveling to a place near Bilbao?

Book flights to Bilbao if you plan to visit one of these locations
Getxo
Laredo
Lekeitio

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Bilbao?

It is quick and easy to find San Francisco to Bilbao flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bilbao that suits you.

Can I find flights from San Francisco to Bilbao with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Bilbao from San Francisco with this policy.

How can momondo help me find flights from San Francisco to Bilbao?

momondo provides multiple filters to help you find the best flight to Bilbao from San Francisco. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from San Francisco to Bilbao right now. Can momondo alert me if prices change?

Price alerts on flights to Bilbao from San Francisco are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Bilbao trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 4/21
Tue 4/28
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Spain

Airports servicing Basque Country

San Sebastián Airport