$811+ Cheap flights from St. Louis (STL) to Bilbao (BIO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BIO
abr. 2 — abr. 91
1 adult, Economy
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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
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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 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 marzo 28, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Find flight deals from St. Louis to Bilbao
Cheapest flights from St. Louis to BilbaoExplore 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 marzo 28, 2025.
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 marzo 28, 2025.
This Lufthansa deal was found by Cheapflights users on 3/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/53:30 pmSTL - BIO
1 stop19h 55mLufthansa
mié. 10/156:45 amBIO - STL
1 stop13h 45mLufthansa
Deal found 3/27![Lufthansa logo]()
$811
This United deal was found by Cheapflights users on 3/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/510:30 amSTL - BIO
2 stops24h 20mUnited Airlines
mié. 10/156:45 amBIO - STL
1 stop13h 45mUnited Airlines
Deal found 3/27![United Airlines logo]()
$813
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 marzo 28, 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
dom. 7/27
1:25 pm-5:50 pm
2 stops21h 25m
Bilbao
dom. 8/3
6:45 am-10:45 pm
2 stops23h 00m
$1,178
St. LouisBilbao
STL - BIO
STLBIO
Lambert-St Louis
dom. 7/27
3:30 pm-6:25 pm
1 stop19h 55m
Bilbao
dom. 8/3
6:45 am-1:30 pm
1 stop13h 45m
$1,511
- 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 marzo 28, 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).