$732+ Cheap flights from Missouri 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 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BIO
Nov 29 — Dec 61
1 adult, Economy
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Best flights from Missouri to BilbaoDiscover carefully curated flight deals from Missouri to Bilbao that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2025.
Discover carefully curated flight deals from Missouri to Bilbao that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2025.
This United Airlines deal was found by Cheapflights users on 10/28. 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 3/274:50 pmSTL - BIO
1 stop13h 10mUnited Airlines
Tue 3/316:45 amBIO - STL
2 stops19h 40mUnited Airlines
Deal found 10/28![United Airlines logo]()
$732
Cheap flight deals from Missouri to Bilbao
Keep the following information in mind while searching for Missouri to Bilbao flight deals. Data was last updated October 30, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri 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 October 30, 2025.
Use the filters below to find and compare flights from Missouri to Bilbao that are best for you.
Fly from
Missouri
Fly to
Bilbao
Route
Depart
Return
Price
St. LouisBilbao
STL - BIO
STLBIO
Lambert-St Louis
Fri 3/27
4:50 pm-12:00 pm
1 stop13h 10m
Bilbao
Tue 3/31
6:45 am-7:25 pm
2 stops19h 40m
$732
Best time to book a flight from Missouri to Bilbao
Have a flexible travel schedule? Discover the best time to fly to Bilbao from Missouri 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 Missouri to Bilbao
What is the cheapest time of day to fly from MO to BIO?
Find hourly flight availability from Missouri 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 October 30, 2025.
One of the essential ways to save on airfare from Missouri to Bilbao is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 19% on airfare.