Flights from St. Louis to Boulogne-Billancourt

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.

Mon, Jun 16 - Tue, Jun 24

STL

Lambert-St. Louis Intl.

CDG

Roissy-Charles de Gaulle

$633 Roundtrip, found 6 days ago

$633

Roundtrip

found 6 days ago

Select British Airways flight, departing Mon, Jun 16 from Lambert-St. Louis Intl. to Roissy-Charles de Gaulle, returning Tue, Jun 24, priced at $633 found 6 days ago

Fri, Jun 20 - Tue, Jun 24

STL

Lambert-St. Louis Intl.

CDG

Roissy-Charles de Gaulle

$683 Roundtrip, found 6 days ago

$683

Roundtrip

found 6 days ago

Select British Airways flight, departing Fri, Jun 20 from Lambert-St. Louis Intl. to Roissy-Charles de Gaulle, returning Tue, Jun 24, priced at $683 found 6 days ago

Sun, Jun 15 - Tue, Jun 24

STL

Lambert-St. Louis Intl.

CDG

Roissy-Charles de Gaulle

$794 Roundtrip, found 6 days ago

$794

Roundtrip

found 6 days ago

Select American Airlines flight, departing Sun, Jun 15 from Lambert-St. Louis Intl. to Roissy-Charles de Gaulle, returning Tue, Jun 24, priced at $794 found 6 days ago

Thu, Jun 19 - Tue, Jun 24

STL

Lambert-St. Louis Intl.

CDG

Roissy-Charles de Gaulle

$851 Roundtrip, found 6 days ago

$851

Roundtrip

found 6 days ago

Select American Airlines flight, departing Thu, Jun 19 from Lambert-St. Louis Intl. to Roissy-Charles de Gaulle, returning Tue, Jun 24, priced at $851 found 6 days ago

Mon, Jun 16 - Mon, Jun 23

STL

Lambert-St. Louis Intl.

CDG

Roissy-Charles de Gaulle

$983 Roundtrip, found 6 days ago

$983

Roundtrip

found 6 days ago

Select British Airways flight, departing Mon, Jun 16 from Lambert-St. Louis Intl. to Roissy-Charles de Gaulle, returning Mon, Jun 23, priced at $983 found 6 days ago

Fri, Jun 20 - Mon, Jun 23

STL

Lambert-St. Louis Intl.

CDG

Roissy-Charles de Gaulle

$1,033 Roundtrip, found 6 days ago

$1,033

Roundtrip

found 6 days ago

Select British Airways flight, departing Fri, Jun 20 from Lambert-St. Louis Intl. to Roissy-Charles de Gaulle, returning Mon, Jun 23, priced at $1,033 found 6 days ago

Sun, Jun 15 - Sun, Jun 22

STL

Lambert-St. Louis Intl.

CDG

Roissy-Charles de Gaulle

$1,044 Roundtrip, found 6 days ago

$1,044

Roundtrip

found 6 days ago

Select American Airlines flight, departing Sun, Jun 15 from Lambert-St. Louis Intl. to Roissy-Charles de Gaulle, returning Sun, Jun 22, priced at $1,044 found 6 days ago

Thu, Jun 19 - Sun, Jun 22

STL

Lambert-St. Louis Intl.

CDG

Roissy-Charles de Gaulle

$1,101 Roundtrip, found 6 days ago

$1,101

Roundtrip

found 6 days ago

Select American Airlines flight, departing Thu, Jun 19 from Lambert-St. Louis Intl. to Roissy-Charles de Gaulle, returning Sun, Jun 22, priced at $1,101 found 6 days ago

Sun, Jun 15 - Mon, Jun 23

STL

Lambert-St. Louis Intl.

CDG

Roissy-Charles de Gaulle

$1,164 Roundtrip, found 6 days ago

$1,164

Roundtrip

found 6 days ago

Select American Airlines flight, departing Sun, Jun 15 from Lambert-St. Louis Intl. to Roissy-Charles de Gaulle, returning Mon, Jun 23, priced at $1,164 found 6 days ago

Thu, Jun 19 - Mon, Jun 23

STL

Lambert-St. Louis Intl.

CDG

Roissy-Charles de Gaulle

$1,221 Roundtrip, found 6 days ago

$1,221

Roundtrip

found 6 days ago

Select American Airlines flight, departing Thu, Jun 19 from Lambert-St. Louis Intl. to Roissy-Charles de Gaulle, returning Mon, Jun 23, priced at $1,221 found 6 days ago

Fri, Jun 20 - Sun, Jun 22

STL

Lambert-St. Louis Intl.

CDG

Roissy-Charles de Gaulle

$1,308 Roundtrip, found 6 days ago

$1,308

Roundtrip

found 6 days ago

Select Iberia flight, departing Fri, Jun 20 from Lambert-St. Louis Intl. to Roissy-Charles de Gaulle, returning Sun, Jun 22, priced at $1,308 found 6 days ago