HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bilbao

$389+ Cheap flights from San Jose (SJC) to Bilbao (BIO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BIO
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Jose to Bilbao with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Jose to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to Bilbao (BIO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$471
(Delta)

One-way from

$389
(United Airlines)
From San Jose to Bilbao
Search Deals
One-way flight from San Jose to Bilbao
Search Deals

Find flight deals from San Jose to Bilbao

Cheapest flights from San Jose to Bilbao
Explore the most affordable flight options available from San Jose to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/217:00 amSJC - BIO
2 stops24h 40mDelta
Thu 10/97:10 amBIO - SJC
2 stops17h 47mDelta
Deal found 9/11$471
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/222:20 pmSJC - BIO
2 stops35h 05mDelta
Thu 10/97:10 amBIO - SJC
2 stops25h 30mDelta
Deal found 9/11$472
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/222:20 pmSJC - BIO
2 stops35h 05mDelta
Wed 10/86:50 amBIO - SJC
2 stops20h 36mDelta
Deal found 9/11$474
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/208:12 pmSJC - BIO
2 stops35h 28mDelta
Thu 10/97:10 amBIO - SJC
2 stops25h 30mDelta
Deal found 9/11$476
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/208:12 pmSJC - BIO
2 stops35h 28mDelta
Wed 10/86:50 amBIO - SJC
2 stops20h 36mDelta
Deal found 9/11$478
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:45 amSJC - BIO
2 stops29h 20mUnited Airlines
Sun 11/166:45 amBIO - SJC
2 stops24h 43mUnited Airlines
Deal found 9/9$517
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/196:20 pmSJC - BIO
2 stops31h 25mUnited Airlines
Wed 10/86:45 amBIO - SJC
2 stops38h 16mUnited Airlines
Deal found 9/11$535
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/264:05 pmSJC - BIO
2 stops23h 00mUnited Airlines
Sun 11/25:45 amBIO - SJC
2 stops19h 53mUnited Airlines
Deal found 9/11$552
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/212:25 pmSJC - BIO
2 stops17h 15mDelta
Fri 10/107:10 amBIO - SJC
2 stops20h 45mDelta
Deal found 9/11$599
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/222:25 pmSJC - BIO
2 stops35h 00mDelta
Fri 10/107:10 amBIO - SJC
2 stops20h 45mDelta
Deal found 9/11$601
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/208:12 pmSJC - BIO
2 stops35h 28mDelta
Fri 10/107:10 amBIO - SJC
2 stops20h 45mDelta
Deal found 9/11$636

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Jose to Bilbao that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from San Jose to Bilbao that are best for you.

Fly from

San Jose

Fly to

Bilbao

Route

Depart

Return

Price

San JoseBilbao

SJC - BIO

SJCBIO

San Jose

Tue 9/23

9:02 am-4:40 pm

2 stops22h 38m

Bilbao

Tue 10/7

7:10 am-10:08 pm

2 stops23h 58m

$471

San JoseBilbao

SJC - BIO

SJCBIO

San Jose

Sun 9/21

11:35 am-4:40 pm

2 stops20h 05m

Bilbao

Tue 10/7

7:10 am-10:08 pm

2 stops23h 58m

$471

San JoseBilbao

SJC - BIO

SJCBIO

San Jose

Tue 9/23

7:00 am-4:40 pm

2 stops24h 40m

Bilbao

Thu 10/9

7:10 am-11:40 pm

2 stops25h 30m

$471

San JoseBilbao

SJC - BIO

SJCBIO

San Jose

Mon 9/22

2:25 pm-10:25 am

2 stops35h 00m

Bilbao

Tue 10/7

7:10 am-10:58 pm

2 stops24h 48m

$472

San JoseBilbao

SJC - BIO

SJCBIO

San Jose

Tue 9/23

1:31 pm-4:40 pm

2 stops18h 09m

Bilbao

Wed 10/8

6:50 am-10:08 pm

2 stops24h 18m

$472

San JoseBilbao

SJC - BIO

SJCBIO

San Jose

Sun 9/21

11:15 am-4:40 pm

2 stops20h 25m

Bilbao

Wed 10/8

6:50 am-6:26 pm

2 stops20h 36m

$472

San JoseBilbao

SJC - BIO

SJCBIO

San Jose

Mon 9/22

2:20 pm-10:25 am

2 stops35h 05m

Bilbao

Wed 10/8

6:50 am-6:26 pm

2 stops20h 36m

$474

San JoseBilbao

SJC - BIO

SJCBIO

San Jose

Wed 11/12

8:45 am-11:05 pm

2 stops29h 20m

Bilbao

Sun 11/16

6:45 am-10:28 pm

2 stops24h 43m

$517

San JoseBilbao

SJC - BIO

SJCBIO

San Jose

Sun 10/26

4:05 pm-11:05 pm

2 stops23h 00m

Bilbao

Sun 11/2

5:45 am-5:38 pm

2 stops19h 53m

$552

San JoseBilbao

SJC - BIO

SJCBIO

San Jose

Sun 9/21

2:25 pm-4:40 pm

2 stops17h 15m

Bilbao

Fri 10/10

7:10 am-6:55 pm

2 stops20h 45m

$599

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 13 results
1
2

Best time to book a flight from San Jose to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from San Jose with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Jose to Bilbao

What is the cheapest month to book a flight from San Jose to Bilbao?

Currently, January is the cheapest month in which you can book a flight from San Jose to Bilbao (average of $541). Flying from San Jose to Bilbao in June is currently the most expensive (average of $1,136). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SJC to BIO?

Find hourly flight availability from San Jose to Bilbao. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from San Jose to Bilbao, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from San Jose to Bilbao. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Jose to Bilbao?

    Delta can get you from San Jose to Bilbao in just under 22h 38m. Your travel time can differ by up to . The distance between San Jose and Bilbao is about 5676 mi.

  • Can I find deals for flights from San Jose to Bilbao that include hotel bookings?

    Yes. In addition to deals on San Jose to Bilbao flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Jose to Bilbao?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to Bilbao.

  • Can I find deals for business class flights from San Jose to Bilbao?

    Yes. Cheapflights offers flight deals from San Jose to Bilbao by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Jose to Bilbao?

    Currently, January is the cheapest month in which you can book a flight from San Jose to Bilbao (average of $541). Flying from San Jose to Bilbao in June is currently the most expensive (average of $1,136). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.