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How to get from St Louis to Barcelona

No nonstop flights. The fastest way is via Toronto: about 12h 28m including the connection. Other options: via Philadelphia, Boston, Chicago and Atlanta. Two tickets from $480.

Flights from St Louis to Barcelona

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

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Best fares from St Louis to Barcelona

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest month June 2027 tickets from $654

Where to connect

Options with one connection, fastest first

fastest, via Toronto
12h 28m
two tickets, via Boston
$480
connection options
5
straight-line distance
4,639 mi (7,466 km)
fastest
Via Toronto
Canada
12h 28m
with the connection
St Louis to Toronto flight 1h 58m
Connection of about 3h
Toronto to Barcelona flight 7h 30m
two ticketsfrom $2,334
Via Philadelphia
12h 49m
with the connection
St Louis to Philadelphia flight 2h 11m
Connection of about 3h
Philadelphia to Barcelona flight 7h 38m
two ticketsfrom $811
Via Boston
12h 53m
with the connection
St Louis to Boston flight 2h 35m
Connection of about 3h
Boston to Barcelona flight 7h 18m
two ticketsfrom $480
Via Chicago
13h 3m
with the connection
St Louis to Chicago flight 1h 28m
Connection of about 3h
Chicago to Barcelona flight 8h 35m
two ticketsfrom $661
Via Atlanta
13h 8m
with the connection
St Louis to Atlanta flight 1h 33m
Connection of about 3h
Atlanta to Barcelona flight 8h 35m
two ticketsfrom $1,137

One ticket or two

How the options are calculated and what to keep in mind at the connection

Flight times come from the nonstop schedule (estimated from the distance where there is no schedule), with 3h allowed for the connection. The price of an option is the sum of the lowest known fares for each leg; their dates may not match, so treat it as a guide. The search shows tickets for your dates, including connections on a single ticket.

When to visit Barcelona

Weather by month

Best time to visit: June, July, August and September, +26° to +29° by day, sea +22° to +27°. In November it is +18° by day and +10° at night, sea +18°, with 7 rainy days.

Jan
+14° +5° +14° 4 days
Feb
+15° +6° +14° 6 days
Mar
+16° +8° +14° 10 days
Apr
+18° +10° +16° 7 days
May
+22° +14° +18° 9 days
Jun
+27° +20° +22° 6 days
Jul
+29° +21° +26° 6 days
Aug
+29° +22° +27° 6 days
Sep
+26° +18° +25° 11 days
Oct
+23° +15° +22° 9 days
Nov
+18° +10° +18° 7 days
Dec
+16° +6° +16° 6 days

Daytime and night temperatures in °C, sea temperature (in blue), rainy days. Months with the most comfortable weather are in green. Long-term averages.

Nearest nonstop flights

The closest you can get without a connection

Frequently asked questions

Is there a nonstop flight from St Louis to Barcelona?
There are no nonstop flights in the schedule. You will need a connection, the fastest is via Toronto.
What is the fastest way to fly from St Louis to Barcelona?
Via Toronto: 1h 58m to the connection, 7h 30m after it, about 12h 28m in total with 3h for the connection.
How much does a flight from St Louis to Barcelona with a connection cost?
Two nonstop tickets via Boston from $480. This is the sum of the lowest known prices for each leg, and their dates may not match.
Which cities can you connect in between St Louis and Barcelona?
Toronto (12h 28m total), Philadelphia (12h 49m total), Boston (12h 53m total), Chicago (13h 3m total) and Atlanta (13h 8m total).
How far is Barcelona from St Louis?
4,639 mi (7,466 km) in a straight line between the cities.
How much time should I allow for the connection?
The options allow 3h. On a single ticket the carrier is responsible for the connection; on separate tickets you set the margin yourself, allowing time to collect and re-check your bags.