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Bilbao

$435+ Cheap flights from St. Louis (STL) 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BIO
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from St. Louis to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) 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 April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
2 stars

Round-trip from

$645
(FlightHub)

One-way from

$435
(Kiwi.com)
Provider with most accurate pricing for Lambert-St Louis-Bilbao flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Bilbao flights.
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From Lambert-St Louis to Bilbao
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One-way flight from Lambert-St Louis to Bilbao
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Find flight deals from St. Louis to Bilbao

Cheapest flights from St. Louis to Bilbao
Explore the most affordable flight options available from St. Louis to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This FlightHub deal was found by Cheapflights users on 4/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/53:30 pmSTL - BIO
1 stop19h 55mLufthansa
Wed 10/156:45 amBIO - STL
1 stop13h 45mLufthansa
Deal found 4/17$645
This Finnair deal was found by Cheapflights users on 4/17. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/54:17 pmSTL - BIO
2 stops22h 38mMultiple Airlines
Wed 10/156:45 amBIO - STL
2 stops23h 40mMultiple Airlines
Deal found 4/17$648
This United Airlines deal was found by Cheapflights users on 4/17. 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 10/512:28 pmSTL - BIO
2 stops17h 57mUnited Airlines
Wed 10/156:45 amBIO - STL
3 stops38h 34mUnited Airlines
Deal found 4/17$675

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis 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 April 17, 2025.
Use the filters below to find and compare flights from St. Louis to Bilbao that are best for you.

Fly from

St. Louis

Fly to

Bilbao

Route

Depart

Return

Price

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Sun 10/5

3:30 pm-6:25 pm

1 stop19h 55m

Bilbao

Wed 10/15

6:45 am-1:30 pm

1 stop13h 45m

$645

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Sun 10/5

4:17 pm-9:55 pm

2 stops22h 38m

Bilbao

Wed 10/15

6:45 am-11:25 pm

2 stops23h 40m

$648

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Sun 10/5

12:28 pm-1:25 pm

2 stops17h 57m

Bilbao

Wed 10/15

6:45 am-2:19 pm

3 stops38h 34m

$675

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Mon 5/5

5:45 pm-4:05 pm

2 stops39h 20m

$435

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Sun 6/1

1:30 pm-6:25 pm

2 stops21h 55m

$874

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

  • Most accurate provider: When it comes to deals on St. Louis-Bilbao flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Bilbao flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Bilbao flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Bilbao flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Bilbao flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from St. Louis 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 St. Louis to Bilbao

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

Find hourly flight availability from St. Louis 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 April 17, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 7% on flights from St. Louis to Bilbao by exploring options for tickets at noon.

Rainfall in Bilbao by month

Plan your trip to Bilbao by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bilbao ranges from 2.4 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Bilbao when rainfall is around 2.4 in.

Temperature in Bilbao by month

Plan your trip to Bilbao by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bilbao, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Bilbao

Get insights into the airlines that provide service to Bilbao. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bilbao. Reviews last updated April 17, 2025.
United Airlines
7.4
Good
8,667 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,667 reviews
United Airlines
7.4
Good
8,667 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.7
Okay
7,012 reviews
United Airlines
7.4
Good
8,667 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

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

  • What are the cheapest airlines flying from St. Louis to Bilbao round-trip?

    Cheapflights users have booked flights from St. Louis to Bilbao round-trip from $645. Another airline that can offer you cheap pricing is United Airlines.

  • Can I find deals for flights from St. Louis to Bilbao that include hotel bookings?

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

  • How can I find direct flights from St. Louis to Bilbao?

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

  • Can I find deals for business class flights from St. Louis to Bilbao?

    Yes. Cheapflights offers flight deals from St. Louis 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 St. Louis to Bilbao?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Bilbao (average of $541). Flying from St. Louis to Bilbao in June is currently the most expensive (average of $1,178). 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.

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