$316 Find Cheap Flights from St. Louis to Barcelona - Compare and Save

If you are traveling in Economy, you are allowed one carry-on bag and one personal item. With a Business or First Class ticket, you can bring two bags onboard. The personal item should not be bigger than 11.8 × 15.7 × 3.9 inches in size, while the bags must not exceed 21.6 × 15.7 × 9 inches in dimensions.

Delta is one of the most sustainable airlines in the aviation world. In attempts to minimize the impact of their services on the environment, it has invested in a modern fuel-efficient fleet, sustainable aviation fuel (SAF) development, and efficient waste management and recycling programs. Additionally, it has partnered with several environmental groups.

Taking a bus from the airport is the easiest way to get to the city center if you don’t have a car. There are three available bus transits from the airport: Aerobus, bus number 46, and the night bus N16, N17, or N18. The buses can be found in Terminal 1 and Terminal 2.

At BCN, you can rent a car of your choice with ease. This is because in both of its Terminals, there are counters for Avis, Budget, Enterprise, InterRent, Hertz, Thrifty, Sixt, Firefly, and Goldcar. The pickup lot for the terminals is a short distance from the terminals. Because of the locations of the counters and pickup lot, you won’t need ground transportation to get to either.

In the last 5 days, the lowest price for a flight from St. Louis to Barcelona-El Prat Airport was $316 for a one-way ticket and $736 for a round-trip.

A passport is required to fly from St. Louis to Barcelona.

When flying out of St. Louis you will be using Lambert-St Louis. You will be landing at Barcelona, also known as Barcelona-El Prat.

We unfortunately don’t have that data for this specific route.

SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between St. Louis and Barcelona, with SkyTeam being the most commonly used for this route.

The two airlines most popular with KAYAK users for flights from St. Louis to Barcelona are Delta and United Airlines. With an average price for the route of $777 and an overall rating of 7.8, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $1,011 and an overall rating of 7.4.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Barcelona.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Barcelona from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Barcelona with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and BCN can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Barcelona from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.