$329 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.

Flights from St. Louis to Barcelona-El Prat Airport usually depart from Lambert-St Louis (STL) and arrive at Barcelona-El Prat (BCN).

Four cabin classes are available on flights from St. Louis to Barcelona-El Prat Airport:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

One-stop flights from St. Louis to Barcelona-El Prat Airport most commonly connect through:

• Philadelphia (PHL) - 29% of one-stop connections
• Montreal Pierre Elliott Trudeau Intl (YUL) - 25% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 12% of one-stop connections
• Chicago O'Hare Intl (ORD) - 11% of one-stop connections

Philadelphia (PHL) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 32% on the St. Louis to Barcelona-El Prat Airport route. Monday is the cheapest departure day at $732 round-trip on average, while Thursday is the most expensive at $1,070, a difference of $338. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Some of the most popular sights in Barcelona-El Prat Airport are La Rambla, Barcelona City Centre and Sagrada Familia. These are among the most viewed places in Barcelona-El Prat Airport on KAYAK.

Last-minute fares on this route - booked within 2 weeks of departure - run 19% below the route average of $927. Booking late can sometimes save money on this route, but inventory is limited.

A nonstop flight from St. Louis to Barcelona-El Prat Airport takes 0h 00m, covering 4,638 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

One-way fares from St. Louis to Barcelona-El Prat Airport are currently higher than usual. Average one-way flight prices are about $623, which is 15% above the typical average for this route.

Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 12h 31m, compared with 12h 48m via Toronto Pearson Intl (YYZ) and 12h 49m via Montreal Pierre Elliott Trudeau Intl (YUL).

Barcelona-El Prat Airport is 7 hours ahead of St. Louis (Central European Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Barcelona-El Prat Airport (BCN) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include:
• Record go
• NIZACARS
• Goldcar Rental SP
• CLICK RENT
• Ok Mobility

Round-trip flights from St. Louis to Barcelona-El Prat Airport range from $724 to $1,153, with an average of $927 over the past 12 months. Anything below $724 counts as a good deal.