$423 Cheap Flights from San Juan (SJU) to Bilbao (BIO)

View $423 flight on Mon, Feb 9, 2026Opens in a new window

Popular airlines from Luis Munoz Marin Intl. Airport (SJU) to Bilbao Airport (BIO)

Cheap Flights from San Juan to Bilbao (SJU-BIO)

Prices were available within the past 7 days and start at $423 for one-way flights and $474 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Feb 7 - Sat, Feb 21
SJU
San Juan
BIO
Bilbao
$474 Roundtrip, found 8 hours ago
$474
Roundtrip
found 8 hours ago
Select United flight, departing Sat, Feb 7 from San Juan to Bilbao, returning Sat, Feb 21, priced at $474 found 8 hours ago
United
Wed, Nov 5 - Sat, Nov 22
SJU
San Juan
BIO
Bilbao
$479 Roundtrip, found 5 days ago
$479
Roundtrip
found 5 days ago
Select United flight, departing Wed, Nov 5 from San Juan to Bilbao, returning Sat, Nov 22, priced at $479 found 5 days ago
United
Wed, Nov 19 - Thu, Nov 27
SJU
San Juan
BIO
Bilbao
$479 Roundtrip, found 11 hours ago
$479
Roundtrip
found 11 hours ago
Select United flight, departing Wed, Nov 19 from San Juan to Bilbao, returning Thu, Nov 27, priced at $479 found 11 hours ago
United
Mon, Feb 16 - Thu, Feb 26
SJU
San Juan
BIO
Bilbao
$480 Roundtrip, found 5 hours ago
$480
Roundtrip
found 5 hours ago
Select United flight, departing Mon, Feb 16 from San Juan to Bilbao, returning Thu, Feb 26, priced at $480 found 5 hours ago
Delta
Sun, Jan 11 - Tue, Jan 20
SJU
San Juan
BIO
Bilbao
$481 Roundtrip, found 2 days ago
$481
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Jan 11 from San Juan to Bilbao, returning Tue, Jan 20, priced at $481 found 2 days ago
United
Sat, Feb 7 - Tue, Feb 24
SJU
San Juan
BIO
Bilbao
$481 Roundtrip, found 8 hours ago
$481
Roundtrip
found 8 hours ago
Select United flight, departing Sat, Feb 7 from San Juan to Bilbao, returning Tue, Feb 24, priced at $481 found 8 hours ago
United
Sat, Feb 7 - Mon, Feb 23
SJU
San Juan
BIO
Bilbao
$482 Roundtrip, found 8 hours ago
$482
Roundtrip
found 8 hours ago
Select United flight, departing Sat, Feb 7 from San Juan to Bilbao, returning Mon, Feb 23, priced at $482 found 8 hours ago
Iberia
Tue, Jan 27 - Tue, Feb 3
SJU
San Juan
BIO
Bilbao
$487 Roundtrip, found 4 days ago
$487
Roundtrip
found 4 days ago
Select Iberia flight, departing Tue, Jan 27 from San Juan to Bilbao, returning Tue, Feb 3, priced at $487 found 4 days ago
Lufthansa
Tue, Nov 4 - Tue, Nov 11
SJU
San Juan
BIO
Bilbao
$540 Roundtrip, found 6 days ago
$540
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Tue, Nov 4 from San Juan to Bilbao, returning Tue, Nov 11, priced at $540 found 6 days ago
American Airlines
Mon, Feb 16 - Thu, Feb 26
SJU
San Juan
BIO
Bilbao
$609 Roundtrip, found 5 hours ago
$609
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Mon, Feb 16 from San Juan to Bilbao, returning Thu, Feb 26, priced at $609 found 5 hours ago

Find the cheapest month to fly from San Juan (SJU) to Bilbao (BIO)

February is typically the cheapest month to fly

From $416 - $993 per traveler.

Alternative airports near Bilbao

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Bilbao Airport BIO. Cheapest and Closest option available. Average driving time to city center is 13 minutes. Flights from $622
BIO
Bilbao Airport
CheapestClosest
Average driving time to city center13 min
Flights from $622

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to Bilbao Airport (BIO) cost?
Grab a cheap one-way flight from $423 or cheap return flight from $474 from Luis Munoz Marin Intl. Airport (SJU) to Bilbao Airport (BIO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Luis Munoz Marin Intl. Airport (SJU) to Bilbao Airport (BIO)?
February is the cheapest month to fly from SJU to BIO. Planning your trip for the off-season is often the key to better flight prices.
What is the cheapest airline that flies from Luis Munoz Marin Intl. Airport (SJU) to Bilbao Airport (BIO)?
To find the cheapest airline flying from SJU to BIO, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Bilbao Airport (BIO)?
Nonstop flights from Luis Munoz Marin Intl. Airport (SJU) to Bilbao Airport (BIO) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SJU to BIO?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Luis Munoz Marin Intl. Airport (SJU) to Bilbao Airport (BIO)?
To avoid potential delays on the Luis Munoz Marin Intl. Airport (SJU) to Bilbao Airport (BIO) route, aim to travel before 3 PM. Flights after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Luis Munoz Marin Intl. Airport (SJU) to Bilbao Airport (BIO) last-minute?
Booking your ticket from SJU to BIO just before your getaway is generally more expensive. But if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a SJU to BIO flight and hotel package?
You'll typically save money by securing a SJU to BIO flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've chosen your ideal flights and accommodations, consider adding extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Bilbao Airport (BIO)?
It's generally possible to cancel or reschedule your SJU to BIO flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Luis Munoz Marin Intl.
Destination airport
Bilbao
Airlines serving
Aer Lingus, Air Europa, Air France, American Airlines, Delta, Iberia, KLM, Lufthansa, TAP Portugal, Turkish Airlines, United
Roundtrip price
$474
Distance
4010 mi

Book with confidence

San Juan to Bilbao Flights

The cheapest times to fly from San Juan to Bilbao

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Juan to Bilbao are during the month of February. You can find some of the cheapest flights from San Juan to Bilbao with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Juan to Bilbao

Sunday is one of the best days to book for cheap flights from San Juan to Bilbao: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Juan to Bilbao

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Juan to Bilbao in 2025. You can also book with separate airlines for your outbound and return journeys, from $423 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Juan to Bilbao flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Juan to Bilbao airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Juan to Bilbao Flights

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*Available to One Key members.