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$391+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BIO
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
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 November 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$485
(Delta)

One-way from

$391
(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

Best flights from St. Louis to Bilbao
Discover carefully curated flight deals from St. Louis to Bilbao that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 21, 2025.

This Delta deal was found by Cheapflights users on 11/19. 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.
Fri 2/69:59 amSTL - BIO
2 stops24h 21mDelta
Tue 2/106:50 amBIO - STL
2 stops20h 47mDelta
Deal found 11/19$485

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 November 21, 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

Fri 2/6

9:59 am-5:20 pm

2 stops24h 21m

Bilbao

Tue 2/10

6:50 am-8:37 pm

2 stops20h 47m

$485

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Thu 12/11

12:04 pm-3:45 pm

3 stops44h 41m

$391

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Thu 12/18

11:51 am-10:35 pm

3 stops27h 44m

$695

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Wed 12/17

7:43 pm-10:35 pm

3 stops43h 52m

$697

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Wed 12/17

8:30 am-4:10 pm

2 stops24h 40m

$763

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Wed 12/17

3:50 pm-12:05 pm

1 stop13h 15m

$1,337

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Compare providers for flights from St. Louis to Bilbao

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Bilbao in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Bilbao flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Bilbao flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 November 21, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 27% on flights from St. Louis to Bilbao by exploring options for tickets in the morning.

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.

  • How long is the flight from St. Louis to Bilbao?

    A quick flight from St. Louis to Bilbao can take about 24h 21m. Delta provides one of the quickest options available for as low as $485. There are 4348 mi between St. Louis and Bilbao.

  • 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.

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