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Cheap Flights from Bilbao (BIO) to San Diego (SANA)

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Compare Bilbao to San Diego flight deals

Find the cheapest month or even day of the year to fly to San Diego

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Flight deals from Bilbao to San Diego

Looking for a cheap last-minute deal or the best return flight from Bilbao to San Diego? Find the lowest prices on one-way and return tickets right here.
San Diego.£592 per passenger.Departing Wed, 26 Nov, returning Sun, 7 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Bilbao on Wed, 26 Nov, arriving in San Diego International.Inbound indirect flight with Delta, departs from San Diego International on Sun, 7 Dec, arriving in Bilbao.Price includes taxes and charges.From £592, select.
San Diego.£718 per passenger.Departing Fri, 4 Jul, returning Sat, 19 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Bilbao on Fri, 4 Jul, arriving in San Diego International.Inbound indirect flight with Delta, departs from San Diego International on Sat, 19 Jul, arriving in Bilbao.Price includes taxes and charges.From £718, select.
San Diego.£723 per passenger.Departing Mon, 14 Jul, returning Sat, 2 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Bilbao on Mon, 14 Jul, arriving in San Diego International.Inbound indirect flight with Delta, departs from San Diego International on Sat, 2 Aug, arriving in Bilbao.Price includes taxes and charges.From £723, select.
San Diego.£727 per passenger.Departing Thu, 7 Aug, returning Sun, 10 Aug.Return flight with Air France and KLM.Outbound indirect flight with Air France, departs from Bilbao on Thu, 7 Aug, arriving in San Diego International.Inbound indirect flight with KLM, departs from San Diego International on Sun, 10 Aug, arriving in Bilbao.Price includes taxes and charges.From £727, select.
San Diego.£796 per passenger.Departing Wed, 25 Jun, returning Sun, 29 Jun.Return flight with Vueling Airlines and Hawaiian Airlines.Outbound indirect flight with Vueling Airlines, departs from Bilbao on Wed, 25 Jun, arriving in San Diego International.Inbound indirect flight with Hawaiian Airlines, departs from San Diego International on Sun, 29 Jun, arriving in Bilbao.Price includes taxes and charges.From £796, select.

Find the cheapest month to fly from Bilbao to San Diego

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Bilbao to San Diego flights are currently cheapest in July.
Jun
from £796
Jul
from £718
Aug
from £727
Sep
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Oct
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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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May
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Alternative Bilbao to San Diego routes

Looking for the cheapest, fastest or easiest route from Bilbao to San Diego? You could fly into the following airports instead.

Bilbao to San Diego: Flight information

The things to know before you go.
Cheapest flight found£592
Cheapest month to flyNovember

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

There are 2 airports in San Diego: San Diego International and McClellan-Palomar.
The best price we found for a return flight from Bilbao to San Diego is £592. 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 Bilbao to San Diego. But we found flights with one or more stops from £592.
As of June 2025, there are no flights flying from Bilbao to San Diego.
The cheapest month to fly from Bilbao to San Diego is usually June 2025.
If you're flying from Bilbao Airport, the cheapest airport near San Diego is San Diego International – which is 2.5 miles away from the centre of San Diego. We've found flights into this airport from £592.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Bilbao Airport to San Diego on Wednesday, 26 November 2025.
No airlines currently offer direct flights between Bilbao Airport and San Diego. 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 San Diego 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 San Diego is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 19°C. August is typically the warmest month in San Diego, when it usually averages around 28°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 10°C. The rainiest month is February.
Currently, Delta offers the cheapest flight tickets to San Diego.

How to find cheap flights to San Diego from Bilbao

Looking for cheap tickets from Bilbao to San Diego? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Bilbao to San Diego. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to San Diego from Bilbao from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
  • Flex your dates to find the best Bilbao-San Diego ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to San Diego from Bilbao.
  • Set up a Price Alert. You can easily track the fare of your cheap Bilbao-San Diego flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between Bilbao and San Diego? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business class flights from Bilbao and San Diego. We scour the internet for the best Business, Premium Economy and First Class flight fares to San Diego, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for Bilbao to San Diego flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

    • Combine your flight to San Diego from Bilbao with hotels and car hire

    Once you've secured your cheap flight ticket from Bilbao to San Diego, discover the best prices and exclusive rates for hotels in San Diego or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


Plan the rest of your trip from Bilbao to San Diego

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