Flights from St. Louis to Bustarviejo

Cheapest flights from St. Louis

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Jul 6 - Tue, Jul 15

STL

Lambert-St. Louis Intl.

MAD

Adolfo Suárez Madrid-Barajas

$885 Roundtrip, found 2 days ago

$885

Roundtrip

found 2 days ago

Select Air Canada flight, departing Sun, Jul 6 from Lambert-St. Louis Intl. to Adolfo Suárez Madrid-Barajas, returning Tue, Jul 15, priced at $885 found 2 days ago

Mon, Jun 30 - Wed, Jul 9

STL

Lambert-St. Louis Intl.

MAD

Adolfo Suárez Madrid-Barajas

$914 Roundtrip, found 2 days ago

$914

Roundtrip

found 2 days ago

Select British Airways flight, departing Mon, Jun 30 from Lambert-St. Louis Intl. to Adolfo Suárez Madrid-Barajas, returning Wed, Jul 9, priced at $914 found 2 days ago

Tue, Jul 1 - Wed, Jul 9

STL

Lambert-St. Louis Intl.

MAD

Adolfo Suárez Madrid-Barajas

$920 Roundtrip, found 2 days ago

$920

Roundtrip

found 2 days ago

Select British Airways flight, departing Tue, Jul 1 from Lambert-St. Louis Intl. to Adolfo Suárez Madrid-Barajas, returning Wed, Jul 9, priced at $920 found 2 days ago

Fri, Jul 4 - Tue, Jul 15

STL

Lambert-St. Louis Intl.

MAD

Adolfo Suárez Madrid-Barajas

$945 Roundtrip, found 2 days ago

$945

Roundtrip

found 2 days ago

Select Air Canada flight, departing Fri, Jul 4 from Lambert-St. Louis Intl. to Adolfo Suárez Madrid-Barajas, returning Tue, Jul 15, priced at $945 found 2 days ago

Thu, Jul 3 - Wed, Jul 9

STL

Lambert-St. Louis Intl.

MAD

Adolfo Suárez Madrid-Barajas

$974 Roundtrip, found 2 days ago

$974

Roundtrip

found 2 days ago

Select British Airways flight, departing Thu, Jul 3 from Lambert-St. Louis Intl. to Adolfo Suárez Madrid-Barajas, returning Wed, Jul 9, priced at $974 found 2 days ago

Mon, Jun 30 - Thu, Jul 10

STL

Lambert-St. Louis Intl.

MAD

Adolfo Suárez Madrid-Barajas

$1,010 Roundtrip, found 2 days ago

$1,010

Roundtrip

found 2 days ago

Select Air Canada flight, departing Mon, Jun 30 from Lambert-St. Louis Intl. to Adolfo Suárez Madrid-Barajas, returning Thu, Jul 10, priced at $1,010 found 2 days ago

Thu, Jul 3 - Sat, Jul 12

STL

Lambert-St. Louis Intl.

MAD

Adolfo Suárez Madrid-Barajas

$1,016 Roundtrip, found 2 days ago

$1,016

Roundtrip

found 2 days ago

Select American Airlines flight, departing Thu, Jul 3 from Lambert-St. Louis Intl. to Adolfo Suárez Madrid-Barajas, returning Sat, Jul 12, priced at $1,016 found 2 days ago

Fri, Jul 4 - Thu, Jul 10

STL

Lambert-St. Louis Intl.

MAD

Adolfo Suárez Madrid-Barajas

$1,021 Roundtrip, found 2 days ago

$1,021

Roundtrip

found 2 days ago

Select United flight, departing Fri, Jul 4 from Lambert-St. Louis Intl. to Adolfo Suárez Madrid-Barajas, returning Thu, Jul 10, priced at $1,021 found 2 days ago

Wed, Jul 2 - Wed, Jul 9

STL

Lambert-St. Louis Intl.

MAD

Adolfo Suárez Madrid-Barajas

$1,039 Roundtrip, found 2 days ago

$1,039

Roundtrip

found 2 days ago

Select British Airways flight, departing Wed, Jul 2 from Lambert-St. Louis Intl. to Adolfo Suárez Madrid-Barajas, returning Wed, Jul 9, priced at $1,039 found 2 days ago

Tue, Jul 1 - Thu, Jul 10

STL

Lambert-St. Louis Intl.

MAD

Adolfo Suárez Madrid-Barajas

$1,045 Roundtrip, found 2 days ago

$1,045

Roundtrip

found 2 days ago

Select British Airways flight, departing Tue, Jul 1 from Lambert-St. Louis Intl. to Adolfo Suárez Madrid-Barajas, returning Thu, Jul 10, priced at $1,045 found 2 days ago

Sun, Jul 6 - Mon, Jul 14

STL

Lambert-St. Louis Intl.

MAD

Adolfo Suárez Madrid-Barajas

$1,056 Roundtrip, found 2 days ago

$1,056

Roundtrip

found 2 days ago

Select Delta flight, departing Sun, Jul 6 from Lambert-St. Louis Intl. to Adolfo Suárez Madrid-Barajas, returning Mon, Jul 14, priced at $1,056 found 2 days ago

Wed, Jul 2 - Thu, Jul 10

STL

Lambert-St. Louis Intl.

MAD

Adolfo Suárez Madrid-Barajas

$1,061 Roundtrip, found 2 days ago

$1,061

Roundtrip

found 2 days ago

Select Delta flight, departing Wed, Jul 2 from Lambert-St. Louis Intl. to Adolfo Suárez Madrid-Barajas, returning Thu, Jul 10, priced at $1,061 found 2 days ago

Sat, Jul 5 - Mon, Jul 14

STL

Lambert-St. Louis Intl.

MAD

Adolfo Suárez Madrid-Barajas

$1,066 Roundtrip, found 2 days ago

$1,066

Roundtrip

found 2 days ago

Select Delta flight, departing Sat, Jul 5 from Lambert-St. Louis Intl. to Adolfo Suárez Madrid-Barajas, returning Mon, Jul 14, priced at $1,066 found 2 days ago

Fri, Jul 4 - Mon, Jul 14

STL

Lambert-St. Louis Intl.

MAD

Adolfo Suárez Madrid-Barajas

$1,072 Roundtrip, found 2 days ago

$1,072

Roundtrip

found 2 days ago

Select Virgin Atlantic flight, departing Fri, Jul 4 from Lambert-St. Louis Intl. to Adolfo Suárez Madrid-Barajas, returning Mon, Jul 14, priced at $1,072 found 2 days ago

Thu, Jul 3 - Sat, Jul 12

STL

Lambert-St. Louis Intl.

MAD

Adolfo Suárez Madrid-Barajas

$1,397 Roundtrip, found 2 days ago

$1,397

Roundtrip

found 2 days ago

Select Lufthansa flight, departing Thu, Jul 3 from Lambert-St. Louis Intl. to Adolfo Suárez Madrid-Barajas, returning Sat, Jul 12, priced at $1,397 found 2 days ago

Thu, Jul 3 - Sat, Jul 12

STL

Lambert-St. Louis Intl.

MAD

Adolfo Suárez Madrid-Barajas

$1,405 Roundtrip, found 2 days ago

$1,405

Roundtrip

found 2 days ago

Select KLM flight, departing Thu, Jul 3 from Lambert-St. Louis Intl. to Adolfo Suárez Madrid-Barajas, returning Sat, Jul 12, priced at $1,405 found 2 days ago

Thu, Jul 3 - Sat, Jul 12

STL

Lambert-St. Louis Intl.

MAD

Adolfo Suárez Madrid-Barajas

$1,545 Roundtrip, found 2 days ago

$1,545

Roundtrip

found 2 days ago

Select Finnair flight, departing Thu, Jul 3 from Lambert-St. Louis Intl. to Adolfo Suárez Madrid-Barajas, returning Sat, Jul 12, priced at $1,545 found 2 days ago

Thu, Jul 3 - Sat, Jul 12

STL

Lambert-St. Louis Intl.

MAD

Adolfo Suárez Madrid-Barajas

$1,644 Roundtrip, found 2 days ago

$1,644

Roundtrip

found 2 days ago

Select Iberia flight, departing Thu, Jul 3 from Lambert-St. Louis Intl. to Adolfo Suárez Madrid-Barajas, returning Sat, Jul 12, priced at $1,644 found 2 days ago

Thu, Jul 3 - Sat, Jul 12

STL

Lambert-St. Louis Intl.

MAD

Adolfo Suárez Madrid-Barajas

$1,740 Roundtrip, found 2 days ago

$1,740

Roundtrip

found 2 days ago

Select Aer Lingus flight, departing Thu, Jul 3 from Lambert-St. Louis Intl. to Adolfo Suárez Madrid-Barajas, returning Sat, Jul 12, priced at $1,740 found 2 days ago

Thu, Jul 3 - Sat, Jul 12

STL

Lambert-St. Louis Intl.

MAD

Adolfo Suárez Madrid-Barajas

$1,800 Roundtrip, found 2 days ago

$1,800

Roundtrip

found 2 days ago

Select Delta flight, departing Thu, Jul 3 from Lambert-St. Louis Intl. to Adolfo Suárez Madrid-Barajas, returning Sat, Jul 12, priced at $1,800 found 2 days ago