Cheap flights from Bilbao to St. Louis from $789

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Bilbao to St. Louis departing on 11/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Bilbao to St. Louis

Cheap round-trip flights

Iberia Logo
9:35 pm - 7:27 pmBIO-STL
28h 52m2 stops
Iberia Logo
9:47 am - 12:50 pmSTL-BIO
20h 03m2 stops
$789Iberia
Find Deal
Thu, Nov 6 - Mon, Nov 10
United Airlines Logo
12:50 pm - 11:44 pmBIO-STL
17h 54m2 stops
United Airlines Logo
1:10 pm - 12:50 pmSTL-BIO
16h 40m2 stops
$831United Airlines
Find Deal
Thu, Nov 6 - Mon, Nov 10

momondo Fare Finder

 
Customize your flight search to find flights from Bilbao to St. Louis 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, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Bilbao to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Thu 11/6

9:35 pm-7:27 pm

2 stops28h 52m

Lambert-St Louis

Mon 11/10

9:47 am-12:50 pm

2 stops20h 03m

$789

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Thu 11/6

12:50 pm-11:44 pm

2 stops17h 54m

Lambert-St Louis

Mon 11/10

1:10 pm-12:50 pm

2 stops16h 40m

$831

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Bilbao to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Bilbao to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Bilbao to St. Louis (BIO to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bilbao to St. Louis

Direct flights

None
There are no direct flights from Bilbao to St. Louis. There are no popular flight routes from Bilbao to St. Louis.
  • How far is Bilbao to Lambert-St Louis by plane?

    Lambert-St Louis is 4345.5 mi away from Bilbao. Flights usually cover this in 17h 54m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Bilbao Airport to Lambert-St Louis Airport?

    Prices for flights from Bilbao Airport to Lambert-St Louis Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Bilbao Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bilbao Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Bilbao to St. Louis?

    Confirm your travel details to search for the latest offers for flights from Bilbao to St. Louis. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Bilbao to St. Louis with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Fenton
Collinsville
Wentzville
Alton
St. Peters
Farmington
Festus
Glencoe
Clayton
Edwardsville
Eureka
Litchfield
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Bilbao to St. Louis?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Bilbao to St. Louis for you.

Can I find flights from Bilbao to St. Louis with flexible booking policies on momondo?

Flights from Bilbao to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Bilbao to St. Louis?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Bilbao.

I’m not ready to book a flight from Bilbao to St. Louis right now. Can momondo alert me if prices change?

Price alerts on flights to St. Louis from Bilbao are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Fri 10/17
Fri 10/24

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