Cheap Flights from St Louis to Barcelona from $1,193

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Flight deals from St Louis to Barcelona

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Barcelona Airport? If you want to travel next month, return fares start from $1,227. Find the lowest prices on one-way and return tickets right here.

Barcelona.$1,193 per passenger.Departing Mon, 28 Sep, returning Wed, 14 Oct.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from St Louis on Mon, 28 Sep, arriving in Barcelona.Inbound indirect flight with Air Canada, departs from Barcelona on Wed, 14 Oct, arriving in St Louis.Price includes taxes and charges.From $1,193, select.

Barcelona.$1,227 per passenger.Departing Sun, 4 Oct, returning Tue, 20 Oct.Return flight with United.Outbound indirect flight with United, departs from St Louis on Sun, 4 Oct, arriving in Barcelona.Inbound indirect flight with United, departs from Barcelona on Tue, 20 Oct, arriving in St Louis.Price includes taxes and charges.From $1,227, select.

Barcelona.$1,243 per passenger.Departing Wed, 9 Dec, returning Wed, 23 Dec.Return flight with United.Outbound indirect flight with United, departs from St Louis on Wed, 9 Dec, arriving in Barcelona.Inbound indirect flight with United, departs from Barcelona on Wed, 23 Dec, arriving in St Louis.Price includes taxes and charges.From $1,243, select.

Barcelona.$1,287 per passenger.Departing Wed, 6 Jan, returning Fri, 30 Apr.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from St Louis on Wed, 6 Jan, arriving in Barcelona.Inbound indirect flight with Lufthansa, departs from Barcelona on Fri, 30 Apr, arriving in St Louis.Price includes taxes and charges.From $1,287, select.

Barcelona.$1,301 per passenger.Departing Wed, 18 Nov, returning Wed, 24 Mar.Return flight with United.Outbound indirect flight with United, departs from St Louis on Wed, 18 Nov, arriving in Barcelona.Inbound indirect flight with United, departs from Barcelona on Wed, 24 Mar, arriving in St Louis.Price includes taxes and charges.From $1,301, select.

Barcelona.$1,309 per passenger.Departing Mon, 1 Feb, returning Wed, 10 Feb.Return flight with United.Outbound indirect flight with United, departs from St Louis on Mon, 1 Feb, arriving in Barcelona.Inbound indirect flight with United, departs from Barcelona on Wed, 10 Feb, arriving in St Louis.Price includes taxes and charges.From $1,309, select.

Barcelona.$1,360 per passenger.Departing Tue, 3 Nov, returning Thu, 26 Nov.Return flight with United.Outbound indirect flight with United, departs from St Louis on Tue, 3 Nov, arriving in Barcelona.Inbound indirect flight with United, departs from Barcelona on Thu, 26 Nov, arriving in St Louis.Price includes taxes and charges.From $1,360, select.

Barcelona.$1,494 per passenger.Departing Sat, 24 Apr, returning Sun, 2 May.Return flight with Air France.Outbound indirect flight with Air France, departs from St Louis on Sat, 24 Apr, arriving in Barcelona.Inbound indirect flight with Air France, departs from Barcelona on Sun, 2 May, arriving in St Louis.Price includes taxes and charges.From $1,494, select.

Barcelona.$1,582 per passenger.Departing Fri, 26 Mar, returning Fri, 2 Apr.Return flight with United.Outbound indirect flight with United, departs from St Louis on Fri, 26 Mar, arriving in Barcelona.Inbound indirect flight with United, departs from Barcelona on Fri, 2 Apr, arriving in St Louis.Price includes taxes and charges.From $1,582, select.

Barcelona.$1,714 per passenger.Departing Fri, 18 Sep, returning Tue, 22 Sep.Return flight with British Airways.Outbound indirect flight with British Airways, departs from St Louis on Fri, 18 Sep, arriving in Barcelona.Inbound indirect flight with British Airways, departs from Barcelona on Tue, 22 Sep, arriving in St Louis.Price includes taxes and charges.From $1,714, select.

Barcelona.$1,833 per passenger.Departing Tue, 22 Dec, returning Sun, 10 Jan.Return flight with Air France and KLM.Outbound indirect flight with Air France, departs from St Louis on Tue, 22 Dec, arriving in Barcelona.Inbound indirect flight with KLM, departs from Barcelona on Sun, 10 Jan, arriving in St Louis.Price includes taxes and charges.From $1,833, select.

Barcelona.$1,870 per passenger.Departing Fri, 1 Jan, returning Fri, 8 Jan.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from St Louis on Fri, 1 Jan, arriving in Barcelona.Inbound indirect flight with Air France, departs from Barcelona on Fri, 8 Jan, arriving in St Louis.Price includes taxes and charges.From $1,870, select.

Barcelona.$1,945 per passenger.Departing Tue, 1 Jun, returning Tue, 8 Jun.Return flight with United.Outbound indirect flight with United, departs from St Louis on Tue, 1 Jun, arriving in Barcelona.Inbound indirect flight with United, departs from Barcelona on Tue, 8 Jun, arriving in St Louis.Price includes taxes and charges.From $1,945, select.

Barcelona.$1,952 per passenger.Departing Mon, 31 May, returning Fri, 11 Jun.Return flight with United.Outbound indirect flight with United, departs from St Louis on Mon, 31 May, arriving in Barcelona.Inbound indirect flight with United, departs from Barcelona on Fri, 11 Jun, arriving in St Louis.Price includes taxes and charges.From $1,952, select.

Find the cheapest month to fly from St Louis to Barcelona

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Barcelona flights are currently cheapest in October.

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St Louis to Barcelona: Alternative routes

Compare routes from St Louis to Barcelona below. You may find an airport to fly into that's cheaper, faster, or easier than Barcelona.

St Louis to Barcelona: Flight information

The things to know before you go.

Cheapest flight found	$1,193
Cheapest month to fly	September

Finding cheap flights from St Louis to Barcelona: Frequently asked questions

How much are return flights from St Louis to Barcelona?

The best price we found for a return flight from St Louis to Barcelona is $1,193. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from St Louis to Barcelona?

Currently, there are no airlines that fly direct from St Louis to Barcelona. But we found flights with one or more stops from $1,193.

How many flights are there a week from St Louis to Barcelona?

As of September 2026, there are no flights flying from St Louis to Barcelona.

When is the cheapest time to fly from St Louis to Barcelona?

The cheapest month to fly from St Louis to Barcelona is usually September.

Which upcoming date is cheapest to fly from St Louis Airport to Barcelona Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Barcelona Airport on Monday, 28 September 2026.

Can I get a direct flight from St Louis Airport to Barcelona Airport?

No airlines currently offer direct flights between St Louis Airport and Barcelona Airport. Most routes have one or more stops.

How can I find the best flight deal to Barcelona?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Barcelona but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Barcelona?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Barcelona is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from St Louis Airport to Barcelona with?

Currently, Air Canada offers the cheapest flight tickets to Barcelona.

Travelling from St Louis Airport (STL) to Barcelona Airport (BCN): what you need to know

Barcelona is seven hours ahead of St Louis and observes the UTC+1 timezone.
To ensure you catch your STL to BCN flight, leave enough time to navigate the airport and find your gate. Turning up two hours ahead of international departures and an hour before domestic flights is the standard rule.
Travelling during a peak month such as July? School holidays and other high seasons can mean longer lines and delays at security. Play it safe and get there up to four hours ahead of international flights and two hours before a domestic departure.
If you want to break up your flight, just uncheck 'Direct flights only' when searching for your ticket from St Louis Airport to Barcelona Airport. These are the top stopovers between STL and BCN:
- Chicago O'Hare International Airport
- Toronto Pearson International Airport
- Washington Dulles Airport

How to find the cheapest flights from St Louis Airport (STL) to Barcelona Airport (BCN)

The lowest price we've seen for a one-way St Louis Airport to Barcelona Airport flight is $606. A round-trip ticket right now is $1,193. Depending on the availability and when you book, these fares could change.
To get your hands on cheap tickets from STL to BCN, book early. Airlines usually offer the most competitive fares when flights are first made available.
If you're flexible with your travel dates, use the 'Whole month' search function. It'll show you the lowest price in each month when searching for a flight from St Louis Airport to Barcelona Airport.
Spend less time searching for cheap flights from STL to BCN by creating a Price Alert. You'll receive an email or notification through the app when a special offer becomes available.
Find the perfect flight for you by using the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from St Louis Airport to Barcelona Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and number of stops.

Handy information about St Louis Airport (STL)

STL is located at 10701 Lambert International Blvd..
Of the departures from St Louis Airport, 76% arrive as scheduled at their destination.
Central St Louis to St Louis Airport is approximately 24 kilometres. Depending on traffic, it'll take about 25 minutes to get there if you're catching a taxi, ride-sharing or driving.
Catching public transport? You can expect a journey time of around 30 minutes.
Get your travels off to a leisurely start by staying near STL. Whether you're taking an early flight from St Louis Airport to Barcelona Airport or just don't want to be rushed, these stays are ideal:

Arriving at Barcelona Airport (BCN)

Consider staying in a hotel close to BCN if you're taking a late St Louis Airport to Barcelona Airport flight. Choose one of these accommodation options and make your arrival easier:
Go where the road takes you with a Barcelona Airport rental car. Book your wheels from Record Go, Goldcar or Nizacars Rent A Car and chase adventure across Barcelona and beyond.
Reserving your ride from Barcelona Airport around four weeks ahead can help you get the lowest rate.

Getting from Barcelona Airport (BCN) to central Barcelona

Barcelona Airport is approximately 13 kilometres from the centre of Barcelona. Driving there takes about 25 minutes.
When travelling by public transport, expect a journey time of roughly 30 minutes.

When to fly to Barcelona Airport (BCN)

July is the most popular month for flights from St Louis Airport to Barcelona Airport. To steer clear of the crowds, go to Barcelona in March.
The warmest month in Barcelona is August, with the temperature ranging between 20ºC and 31ºC. Lock in your flights from St Louis Airport to Barcelona Airport in this month if this is the type of weather you enjoy.
If you like cooler conditions, look for a cheap ticket from STL to BCN in January. Average temperatures are between 5ºC and 14ºC then.

Explore more of Spain

Zaragoza is just one of the many places in Spain waiting to be explored after you've seen Barcelona. Around 257 kilometres away to the west, check out popular attractions including Plaza del Pilar, La Seo del Salvador and Basílica de Nuestra Senora del Pilar.
Around 402 kilometres west of Barcelona, Logroño is another favourite stop in Spain. Experience this destination's highlights firsthand at Bodegas Faustino, Bodegas Campo Viejo and Bodegas Valoria.