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641 € Cheap Flights from San Diego to Bilbao

Compare San Diego to Bilbao flight deals

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

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Flight deals from San Diego to Bilbao

Looking for a cheap last-minute deal or the best return flight from San Diego to Bilbao Airport? If you want to travel next month, return fares start from 905 €. Find the lowest prices on one-way and return tickets right here.
Bilbao.641 € per passenger.Departing Tue, 15 Sep, returning Wed, 30 Sep.Return flight with United.Outbound indirect flight with United, departs from San Diego International on Tue, 15 Sep, arriving in Bilbao.Inbound indirect flight with United, departs from Bilbao on Wed, 30 Sep, arriving in San Diego International.Price includes taxes and charges.From 641 €, select.
Bilbao.667 € per passenger.Departing Thu, 1 Oct, returning Thu, 15 Oct.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from San Diego International on Thu, 1 Oct, arriving in Bilbao.Inbound indirect flight with Lufthansa, departs from Bilbao on Thu, 15 Oct, arriving in San Diego International.Price includes taxes and charges.From 667 €, select.
Bilbao.715 € per passenger.Departing Wed, 29 Jul, returning Wed, 19 Aug.Return flight with Alaska Airlines and Vueling Airlines.Outbound indirect flight with Alaska Airlines, departs from San Diego International on Wed, 29 Jul, arriving in Bilbao.Inbound indirect flight with Vueling Airlines, departs from Bilbao on Wed, 19 Aug, arriving in San Diego International.Price includes taxes and charges.From 715 €, select.
Bilbao.739 € per passenger.Departing Wed, 15 Jul, returning Thu, 3 Sep.Return flight with British Airways.Outbound indirect flight with British Airways, departs from San Diego International on Wed, 15 Jul, arriving in Bilbao.Inbound indirect flight with British Airways, departs from Bilbao on Thu, 3 Sep, arriving in San Diego International.Price includes taxes and charges.From 739 €, select.
Bilbao.764 € per passenger.Departing Thu, 6 Aug, returning Mon, 17 Aug.Return flight with Air France and KLM.Outbound indirect flight with Air France, departs from San Diego International on Thu, 6 Aug, arriving in Bilbao.Inbound indirect flight with KLM, departs from Bilbao on Mon, 17 Aug, arriving in San Diego International.Price includes taxes and charges.From 764 €, select.
Bilbao.871 € per passenger.Departing Sun, 5 Jul, returning Tue, 28 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Sun, 5 Jul, arriving in Bilbao.Inbound indirect flight with Delta, departs from Bilbao on Tue, 28 Jul, arriving in San Diego International.Price includes taxes and charges.From 871 €, select.
Bilbao.872 € per passenger.Departing Sat, 29 Aug, returning Sun, 6 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Sat, 29 Aug, arriving in Bilbao.Inbound indirect flight with Delta, departs from Bilbao on Sun, 6 Sep, arriving in San Diego International.Price includes taxes and charges.From 872 €, select.
Bilbao.875 € per passenger.Departing Wed, 27 May, returning Sun, 14 Jun.Return flight with Alaska Airlines and Vueling Airlines.Outbound indirect flight with Alaska Airlines, departs from San Diego International on Wed, 27 May, arriving in Bilbao.Inbound indirect flight with Vueling Airlines, departs from Bilbao on Sun, 14 Jun, arriving in San Diego International.Price includes taxes and charges.From 875 €, select.
Bilbao.905 € per passenger.Departing Wed, 3 Jun, returning Thu, 18 Jun.Return flight with Alaska Airlines and Vueling Airlines.Outbound indirect flight with Alaska Airlines, departs from San Diego International on Wed, 3 Jun, arriving in Bilbao.Inbound indirect flight with Vueling Airlines, departs from Bilbao on Thu, 18 Jun, arriving in San Diego International.Price includes taxes and charges.From 905 €, select.
Bilbao.935 € per passenger.Departing Tue, 16 Jun, returning Wed, 8 Jul.Return flight with Alaska Airlines and Vueling Airlines.Outbound indirect flight with Alaska Airlines, departs from San Diego International on Tue, 16 Jun, arriving in Bilbao.Inbound indirect flight with Vueling Airlines, departs from Bilbao on Wed, 8 Jul, arriving in San Diego International.Price includes taxes and charges.From 935 €, select.
Bilbao.1.076 € per passenger.Departing Sun, 20 Dec, returning Sun, 10 Jan.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from San Diego International on Sun, 20 Dec, arriving in Bilbao.Inbound indirect flight with Lufthansa, departs from Bilbao on Sun, 10 Jan, arriving in San Diego International.Price includes taxes and charges.From 1.076 €, select.
Bilbao.1.100 € per passenger.Departing Thu, 28 May, returning Sun, 31 May.Return flight with Alaska Airlines and Vueling Airlines.Outbound indirect flight with Alaska Airlines, departs from San Diego International on Thu, 28 May, arriving in Bilbao.Inbound indirect flight with Vueling Airlines, departs from Bilbao on Sun, 31 May, arriving in San Diego International.Price includes taxes and charges.From 1.100 €, select.

Find the cheapest month to fly from San Diego to Bilbao

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Diego to Bilbao flights are currently cheapest in September.
May
from 1.100 €
Jun
from 905 €
Jul
from 871 €
Aug
from 764 €
Sep
from 641 €
Oct
from 667 €
Nov
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Dec
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Jan
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Feb
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Mar
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Apr
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San Diego to Bilbao: Alternative routes

Compare routes from San Diego 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 641 €
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Vitoria

46km from central Bilbao
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Santander

74km from central Bilbao
from 1.290 €
Search flights

San Diego to Bilbao: Flight information

The things to know before you go.
Cheapest flight found641 €
Cheapest month to flySeptember

Finding cheap flights from San Diego to Bilbao: Frequently asked questions

The best price we found for a return flight from San Diego to Bilbao is 641 €. 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 Diego to Bilbao. But we found flights with one stop from 641 €.
As of May 2026, there are no flights flying from San Diego to Bilbao.
The cheapest month to fly from San Diego to Bilbao is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Bilbao Airport on Tuesday, 15 September 2026.
No airlines currently offer direct flights between San Diego 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.
The cheapest airline that flies to Bilbao is United .

Flying from San Diego to Bilbao Airport (BIO): What you need to know

  • San Diego's main base, San Diego International Airport (SAN), is where plenty of awesome adventures begin. Explore the departure options from here when planning your flight from San Diego to Bilbao Airport (BIO).

  • Bilbao is eight hours ahead of San Diego. Bilbao Airport is located in Bilbao, which runs on the UTC+1 timezone.

  • To ensure you get on your flight from San Diego to BIO, allow plenty of time to navigate the airport and find your gate. Turning up two hours ahead of international departures and an hour before domestic flights is the general travel rule.

  • If you're heading away during a major holiday or other peak period, allow extra time. Arrive two hours ahead of domestic flights and up to four hours before international departures. Lines at check-in and security will be longer.

Airports in San Diego

San Diego International Airport (SAN)

  • You might be able to make your cheap flight from San Diego to BIO even cheaper with a stopover. Just deselect 'Direct flights only' during your search to explore stopover cities along the route. Franz Josef Strauss Airport (MUC) is an option when taking off from San Diego International Airport (SAN).

  • The journey from central San Diego to SAN takes around 20 minutes on public transport. If you drive, ride-share or get a cab, you'll cover the 5 kilometres in 10 minutes or so, depending on traffic conditions.

  • Booked an early flight from San Diego to Bilbao Airport? Avoid rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these hotels close to San Diego International Airport:

  • Of all flights departing from San Diego International Airport, 71.38% arrive as scheduled at their destination.

  • You'll find SAN at N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • With public transport, you can travel from central San Diego to CLD in about 2 hours 15 minutes. The terminal is roughly 56 kilometres away, and getting there by car will take approximately 40 minutes.

  • Kick off your holiday early with an extra night away from home. Before catching your San Diego to BIO flight, unwind in one of these hotels near McClellan-Palomar Airport:

About Bilbao Airport (BIO)

  • The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from San Diego to Bilbao Airport. Stay at one of these accommodation options near BIO instead:

  • Grab a Bilbao Airport rental car and explore Bilbao and beyond with your own set of wheels. Record Go, Click and Rent and Goldcar are top outlets to choose from here.

  • Booking your ride around four weeks in advance of your San Diego to Bilbao Airport flight can help you get the lowest rate.

Getting from Bilbao Airport (BIO) to central Bilbao

  • Bilbao Airport is about 5 kilometres from central Bilbao. How long it takes to get there by cab or car hire will depend on the time of day. Do a little research before your trip.

  • If you're travelling on public transport, expect a journey time of about 30 minutes.

How to find the cheapest flights from San Diego to Bilbao Airport (BIO)

  • 296 € is currently the best price for a one-way ticket from San Diego to Bilbao Airport. Return flights start at 641 €. These fares may change depending on availability and demand.

  • To find cheap flights from San Diego to BIO, book ahead. Airlines usually offer their most competitively priced fares when flights first go on sale.

  • Cheap San Diego to Bilbao Airport tickets are easier to find when your dates are flexible. Use the 'Whole month' search function to compare fares across each month and then choose the cheapest day.

  • Finding a cheap plane ticket from San Diego to BIO is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you as soon as there's a better deal.

  • Save on your flight from San Diego to Bilbao Airport by using filters. Choose your ideal times, airlines and number of stops, then sort the results by 'Cheapest' for the best deals.

The best time to fly from San Diego to Bilbao Airport (BIO)

  • February is the quietest month for flights from San Diego to Bilbao Airport (BIO), while July is the busiest. Find the ideal time to visit Bilbao based on whether you like a laid-back vibe or a lively atmosphere.

  • Lock in a San Diego to BIO plane ticket departing in August if you want to experience the city during its warmest month. You can expect temperatures in Bilbao to range from 16ºC (61ºF) to 25ºC (77ºF).

  • Search for cheap tickets from San Diego to Bilbao Airport in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 5ºC (41ºF) and 13ºC (55ºF).

More about Bilbao

  • When it comes to looking for somewhere to lay your head, you'll find the best stays in Bilbao right here. Explore these options as soon as you've locked in your flight from San Diego to Bilbao Airport:

  • Every great adventure has to include some sightseeing. Guggenheim, Bilbao BBK Live and El gran Árbol y el Ojo (Museo Guggenheim) are must-do's during your Bilbao adventure.

Explore more of Spain

  • Bilbao has loads to offer, but there are so many other corners of Spain you should also see. About 241 kilometres south-east of Bilbao, a trip to Zaragoza will keep you busy. Start with attractions like Plaza España, Plaza del Pilar and La Seo del Salvador.

  • Around 290 kilometres south-west of Bilbao, Arévalo is another favourite stop in Spain. Experience this destination's highlights firsthand at Plaza de la Constitución, Iglesia San Martin and Monasterio de Santa María la Real - Trapa Arévalo.

Plan the rest of your trip from San Diego to Bilbao

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