$854 Cheap British Airways flights Bilbao (BIO) to San Diego (SAN)

View $854 flight on Tue, Oct 28, 2025Opens in a new window

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$854 Cheap British Airways flights Bilbao (BIO) to San Diego (SAN)

Prices were available within the past 7 days and start at $854 for one-way flights and $1,209 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Fri, Feb 13 - Fri, Feb 27
BIO
Bilbao
SAN
San Diego
$1,209 Roundtrip, found 6 days ago
$1,209
Roundtrip
found 6 days ago
Select British Airways flight, departing Fri, Feb 13 from Bilbao to San Diego, returning Fri, Feb 27, priced at $1,209 found 6 days ago
Flights from Bilbao (BIO) to San Diego (SAN)
Origin airport
Bilbao
Destination airport
San Diego Intl.
Airlines serving
Air Canada, Air Europa, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, KLM, Lufthansa, Swiss International Air Lines, TAP Portugal, United
Popular airline
Air France
Distance
5745 mi

Frequently asked questions

How much is a British Airways flight from Bilbao Airport (BIO) to San Diego Intl. Airport (SAN)?
You can find budget-friendly return British Airways flights from $1,209 from BIO to SAN by organizing your results from "Price (lowest to highest)" on Expedia. Or look for deals from $854 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BIO to SAN with British Airways?
British Airways flights to San Diego are often cheaper in the low-season months of January and November. Whether you're after a round-trip or one-way ticket, you could find a better deal then.
What is the cheapest time to book flights from Bilbao Airport (BIO) to San Diego Intl. Airport (SAN) with British Airways?
To find cheap flights from BIO to SAN with British Airways, begin searching about one month before your planned departure. You can save 17% when you lock in your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another tip? Booking on Sunday can lead to average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does British Airways fly nonstop from Bilbao Airport (BIO) to San Diego Intl. Airport (SAN)?
Use our "Nonstop" filter when browsing for direct British Airways flights from BIO to SAN. You can also compare other airlines servicing the same nonstop journey.
What is the earliest British Airways flight from BIO to SAN?
Browse British Airways's earliest flights from BIO to SAN by checking the "Morning" and "Early Morning" filters. Not only will you arrive sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does British Airways fly into in San Diego?
British Airways flights from Bilbao Airport (BIO) to San Diego come in to land at San Diego Intl. Airport (SAN). This is the main gateway here.
What kind of luggage can I take on a British Airways flight from Bilbao Airport (BIO) to San Diego Intl. Airport (SAN)?
For checked luggage, you can bring 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 29 inches x 15 inches x 16 inches. You can also bring 2 cabin bags on board when flying standard economy from BIO to SAN with British Airways. This carry-on has to weigh less than 50 lb and be no bigger than 19 inches x 9 inches x 17 inches. Going above these limits can mean additional fees, so read British Airways's baggage allowance policies before packing your suitcase.
Why fly with British Airways from BIO to SAN?
Jetting off from BIO to SAN with British Airways comes with a variety of perks, such as a 4-star airline rating and top-tier customer service. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to use on select future travel purchases. That's on top of the British Airways Executive Club points you can earn with British Airways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my British Airways flight from Bilbao Airport (BIO) to San Diego Intl. Airport (SAN)?
It's generally possible to cancel or change your flight, although there may be additional charges if your booking was made more than 24 hours ago. Need to keep your options open? Apply the "Changes included" or "No cancel fee" filter to find flights that won't penalize you if you need to revise your plans. To update your itinerary, go to "Trips," select your flight and click on "Manage Booking" for more information.

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*Available to One Key members.