What is the cheapest airline that flies from San Diego to Bilbao?

Lufthansa is the most popular carrier operating from San Diego to Bilbao

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

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

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

As of August 2025, there are 2 operators available to choose from for flights from San Diego Airport to Bilbao Airport.

How old do you have to be to fly from San Diego 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 Diego Airport to Bilbao Airport.

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

The necessary travel and health documents for your Bilbao Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$444 Cheap Flights from San Diego to Bilbao in 2025

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Find the cheapest flights from San Diego to Bilbao

Round-trip

One-way

Cheap round-trip flights

5:35 pm - 11:05 pmSAN-BIO

20h 30m1 stop

7:25 am - 3:45 pmBIO-SAN

17h 20m1 stop

$602Lufthansa

Find Deal

Wed, Nov 19 - Thu, Nov 27

11:20 am - 11:20 pmSAN-BIO

27h 00m2 stops

12:50 pm - 11:18 amBIO-SAN

31h 28m2 stops

$605

Find Deal

Wed, Nov 19 - Thu, Nov 27

5:55 pm - 11:05 pmSAN-BIO

20h 10m2 stops

7:25 am - 3:45 pmBIO-SAN

17h 20m1 stop

$606Lufthansa

Find Deal

Wed, Nov 19 - Thu, Nov 27

11:02 am - 11:20 pmSAN-BIO

27h 18m2 stops

6:30 am - 8:05 pmBIO-SAN

46h 35m3 stops

$621United Airlines

Find Deal

Wed, Nov 19 - Thu, Nov 27

2:16 pm - 11:20 pmSAN-BIO

24h 04m2 stops

6:30 am - 5:24 pmBIO-SAN

19h 54m2 stops

$688Lufthansa

Find Deal

Wed, Nov 19 - Thu, Nov 27

5:15 pm - 5:50 pmSAN-BIO

15h 35m1 stop

6:45 am - 7:35 pmBIO-SAN

21h 50m2 stops

$690

Find Deal

Wed, Aug 13 - Sat, Sep 6

8:10 am - 5:50 pmSAN-BIO

24h 40m2 stops

6:45 am - 7:35 pmBIO-SAN

21h 50m2 stops

$691Air Canada

Find Deal

Wed, Aug 13 - Sat, Sep 6

5:15 pm - 5:50 pmSAN-BIO

15h 35m1 stop

7:15 am - 3:25 pmBIO-SAN

17h 10m1 stop

$702Lufthansa

Find Deal

Wed, Aug 13 - Sat, Sep 6

2:21 pm - 5:50 pmSAN-BIO

18h 29m2 stops

6:45 am - 8:16 pmBIO-SAN

22h 31m3 stops

$970United Airlines

Find Deal

Sat, Sep 20 - Sat, Sep 27

10:45 pm - 12:05 pmSAN-BIO

28h 20m3 stops

6:30 am - 11:38 amBIO-SAN

38h 08m2 stops

$977Air Canada

Find Deal

Wed, Nov 19 - Thu, Nov 27

Lufthansa flights from San Diego to Bilbao

Our best Lufthansa deals on San Diego to Bilbao flight tickets

Lufthansa

Nov 19

SAN5:35 pmSan Diego

20h 30m

1 stop

BIO11:05 pmBilbao

Nov 27

BIO7:25 amBilbao

17h 20m

1 stop

SAN3:45 pmSan Diego

$602

Find similar

Lufthansa

Nov 19

SAN5:55 pmSan Diego

20h 10m

2 stops

BIO11:05 pmBilbao

Nov 27

BIO7:25 amBilbao

17h 20m

1 stop

SAN3:45 pmSan Diego

$606

Find similar

Lufthansa

Nov 19

SAN2:16 pmSan Diego

24h 04m

2 stops

BIO11:20 pmBilbao

Nov 27

BIO6:30 amBilbao

19h 54m

2 stops

SAN5:24 pmSan Diego

$688

Find similar

Air Canada flights from San Diego to Bilbao

Our best Air Canada deals on San Diego to Bilbao flight tickets

Air Canada

Aug 13

SAN8:10 amSan Diego

24h 40m

2 stops

BIO5:50 pmBilbao

Sep 6

BIO6:45 amBilbao

21h 50m

2 stops

SAN7:35 pmSan Diego

$691

Find similar

Air Canada

Nov 19

SAN10:45 pmSan Diego

28h 20m

3 stops

BIO12:05 pmBilbao

Nov 27

BIO6:30 amBilbao

38h 08m

2 stops

SAN11:38 amSan Diego

$977

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San DiegoBilbao

SAN - BIO

SANBIO

San Diego

Wed 11/19

5:35 pm-11:05 pm

1 stop20h 30m

Bilbao

Thu 11/27

7:25 am-3:45 pm

1 stop17h 20m

$602

San DiegoBilbao

SAN - BIO

SANBIO

San Diego

Wed 11/19

11:20 am-11:20 pm

2 stops27h 00m

Bilbao

Thu 11/27

12:50 pm-11:18 am

2 stops31h 28m

$605

San DiegoBilbao

SAN - BIO

SANBIO

San Diego

Wed 11/19

5:55 pm-11:05 pm

2 stops20h 10m

Bilbao

Thu 11/27

7:25 am-3:45 pm

1 stop17h 20m

$606

San DiegoBilbao

SAN - BIO

SANBIO

San Diego

Wed 11/19

11:02 am-11:20 pm

2 stops27h 18m

Bilbao

Thu 11/27

6:30 am-8:05 pm

3 stops46h 35m

$621

San DiegoBilbao

SAN - BIO

SANBIO

San Diego

Wed 11/19

2:16 pm-11:20 pm

2 stops24h 04m

Bilbao

Thu 11/27

6:30 am-5:24 pm

2 stops19h 54m

$688

San DiegoBilbao

SAN - BIO

SANBIO

San Diego

Wed 8/13

5:15 pm-5:50 pm

1 stop15h 35m

Bilbao

Sat 9/6

6:45 am-7:35 pm

2 stops21h 50m

$690

San DiegoBilbao

SAN - BIO

SANBIO

San Diego

Wed 8/13

8:10 am-5:50 pm

2 stops24h 40m

Bilbao

Sat 9/6

6:45 am-7:35 pm

2 stops21h 50m

$691

San DiegoBilbao

SAN - BIO

SANBIO

San Diego

Wed 8/13

5:15 pm-5:50 pm

1 stop15h 35m

Bilbao

Sat 9/6

7:15 am-3:25 pm

1 stop17h 10m

$702

San DiegoBilbao

SAN - BIO

SANBIO

San Diego

Sat 9/20

2:21 pm-5:50 pm

2 stops18h 29m

Bilbao

Sat 9/27

6:45 am-8:16 pm

3 stops22h 31m

$970

San DiegoBilbao

SAN - BIO

SANBIO

San Diego

Wed 11/19

10:45 pm-12:05 pm

3 stops28h 20m

Bilbao

Thu 11/27

6:30 am-11:38 am

2 stops38h 08m

$977

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Diego 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

Prices

Airlines

What is the cheapest month to fly to Bilbao?

The cheapest month to fly to Bilbao from San Diego is in November. Flight prices, which tend to average around $686, are often lower during this time because this is during the off-season. If you’re not able to fly to Bilbao in November, then March is your next best option. Flight prices from San Diego to Bilbao during March average around $694.

What is the cheapest day to depart on your flight to Bilbao?

The cheapest day to depart from San Diego to Bilbao is on a Wednesday. Travelers who choose to depart for Bilbao on a Wednesday will often find tickets for as low as $1,171. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,612. These prices are subject to change though, so be sure to set up a Price Alert for flights to Bilbao.

What is the cheapest time of day to depart on your flight to Bilbao?

Our most recent data shows that the best time of day to fly to Bilbao is in the afternoon. Flights from San Diego to Bilbao during this time can be as low as $1,335. In the morning is when there is more demand to fly to Bilbao, so prices are often more expensive at around $1,616 per ticket.

Can stopping save me money on San Diego to Bilbao flights?

You could potentially save up to 15% on your flight if you consider stops on a San Diego to Bilbao flight.

When to book flights from San Diego to Bilbao

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

Estimated round-trip price

Cheap San Diego to Bilbao (SAN to BIO) flight deals and tips

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

Best Price Found	$444
Fastest flight time	15h 35m
Direct flights	None
Airports in Bilbao	1 airport

The best one-way flight to Bilbao from San Diego in the past 72 hours is $444. The best round-trip flight deal from San Diego to Bilbao found on momondo in the last 72 hours is $602.

The fastest flight from San Diego to Bilbao takes 15h 35m

There are no direct flights from San Diego to Bilbao. Popular non-direct route for this connection is San Diego Airport - Bilbao Airport.

There is 1 airport near Bilbao: Bilbao (BIO)

Search flight deals

How far is San Diego to Bilbao by plane?
San Diego and Bilbao are 5742.2 mi apart from one another. A reasonable flight in good conditions will take 15h 35m.
When did momondo last update prices for flights from San Diego Airport to Bilbao Airport?
Prices for flights from San Diego Airport to Bilbao Airport refresh daily.
How many operators does momondo search for flights from San Diego Airport to Bilbao Airport?
As of August 2025, there are 2 operators available to choose from for flights from San Diego Airport to Bilbao Airport.
How old do you have to be to fly from San Diego 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 Diego Airport to Bilbao Airport.
What documentation or ID do you need to fly to Bilbao Airport?
The necessary travel and health documents for your Bilbao Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from San Diego to Bilbao?
Based on momondo bookings for flights between San Diego and Bilbao, the leading airline is Lufthansa, making up 77% of the total bookings. Other popular airlines include United Airlines with 23%.

Best airlines flying from San Diego to Bilbao

Compare and see reviews for airlines that fly from San Diego to Bilbao with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $599	Free Cancellation	Rating 7.4 8,900 reviews		Search United Airlines flights
Lufthansa	PriceFrom $680	Free Cancellation	Rating 6.8 7,275 reviews		Search Lufthansa flights

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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Bilbao from San Diego.

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

Yes. All flights to Bilbao from San Diego on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bilbao from San Diego.

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

Yes momondo offers price alerts on flights to Bilbao from San Diego. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.