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Not ready to book? to track prices.Find the cheapest flights from Barcelona-El Prat Airport to St. Louis
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British Airways flights from Barcelona-El Prat Airport to St. Louis
Our best British Airways deals on Barcelona-El Prat Airport to St. Louis flight tickets
American Airlines flights from Barcelona-El Prat Airport to St. Louis
Our best American Airlines deals on Barcelona-El Prat Airport to St. Louis flight tickets
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How to get the cheapest flight ticket from Barcelona-El Prat Airport to St. Louis
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to St. Louis?
In general, October is the cheapest month to fly from Barcelona-El Prat Airport to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $693. The month of March is another great option to travel to St. Louis, with average flight prices from Barcelona-El Prat Airport averaging around $720.
How have Barcelona-El Prat Airport to St. Louis flight prices changed over time?
As of June 2025, prices for Barcelona-El Prat Airport to St. Louis flights are approximately 7% more expensive when compared to flights at the same time last year.
When to book flights from Barcelona-El Prat Airport to St. Louis
Cheap Barcelona-El Prat Airport to St. Louis (BCN to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Barcelona-El Prat Airport to St. Louis
How far is Barcelona-El Prat to Lambert-St Louis by plane?
The distance between Barcelona-El Prat and Lambert-St Louis is about 4635.1 mi. In terms of flight time, this usually takes a little over 13h 23m.
When did momondo last update prices for flights from Barcelona-El Prat Airport to Lambert-St Louis Airport?
Prices for flights from Barcelona-El Prat Airport to Lambert-St Louis Airport are refreshed on a daily basis.
How old do you have to be to fly from Barcelona-El Prat Airport to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Barcelona-El Prat Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Barcelona to St. Louis?
It is quick and easy to find Barcelona to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.
Can I find flights from Barcelona to St. Louis with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to St. Louis from Barcelona with this policy.
How can momondo help me find flights from Barcelona to St. Louis?
momondo helps you find the best flight between Barcelona and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Barcelona to St. Louis right now. Can momondo alert me if prices change?
If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Barcelona and alert you when they change.