St. Louis (STL) → Barcelona (BCN)
About St. Louis to Barcelona Flights
Discover the best flights from St. Louis to Barcelona, covering 7,469 km in approximately 9h 50m. St. Louis (STL) to Barcelona (BCN) is one of the major long-haul routes connecting United States and Spain. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from St. Louis to Barcelona.
12-Month Price History
Flight prices from St. Louis to Barcelona vary significantly throughout the year. February typically offers the best deals with average prices around $1357, while August sees the highest prices, averaging $2230. Savvy travelers can save up to 39% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
August
Peak season pricing
Book in Advance
174 days
For best prices
Booking Tips
For the best prices on St. Louis to Barcelona flights, we recommend booking 142 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
Vueling VY | $2160 | $7650 | $13110 |
United Airlines UA | $2280 | $9670 | $14860 |
American Airlines AA | $2370 | $7380 | $14730 |
Level VK | $2430 | $8470 | $12750 |
Iberia IB | $2490 | $7700 | $12970 |
Delta Air Lines DL | $2610 | $9240 | $13270 |
British Airways BA | $2860 | $9840 | $13260 |
Vueling
VY
Economy
$2160
Business
$7650
First
$13110
United Airlines
UA
Economy
$2280
Business
$9670
First
$14860
American Airlines
AA
Economy
$2370
Business
$7380
First
$14730
Level
VK
Economy
$2430
Business
$8470
First
$12750
Iberia
IB
Economy
$2490
Business
$7700
First
$12970
Delta Air Lines
DL
Economy
$2610
Business
$9240
First
$13270
British Airways
BA
Economy
$2860
Business
$9840
First
$13260
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
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Frequently Asked Questions
How long is the flight from St. Louis to Barcelona?
The flight time from St. Louis (STL) to Barcelona (BCN) is approximately 9 hours and 50 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between St. Louis and Barcelona?
The aerial distance between St. Louis and Barcelona is 7,469 kilometers (4,641 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from St. Louis to Barcelona?
Several airlines operate flights between St. Louis and Barcelona, including Iberia, Vueling, Level and 4 more airlines. Most flights on this route include one or more stops.
What is the cheapest month to fly from St. Louis to Barcelona?
Based on historical data, February typically offers the lowest airfares for flights from St. Louis to Barcelona. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Barcelona?
For the best prices on St. Louis to Barcelona flights, we recommend booking 65 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from St. Louis to Barcelona?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to Spain should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between St. Louis and Barcelona?
St. Louis operates on America/Chicago time zone, while Barcelona is in the Europe/Madrid time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.