Flights from St. Louis to Seaford

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, Sep 14 - Sat, Sep 20

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$141 Roundtrip, found 1 day ago

$141

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, Sep 14 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Sep 20, priced at $141 found 1 day ago

Thu, Aug 14 - Sun, Aug 31

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$151 Roundtrip, found 1 day ago

$151

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Aug 31, priced at $151 found 1 day ago

Thu, Aug 14 - Wed, Sep 3

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$156 Roundtrip, found 1 day ago

$156

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Wed, Sep 3, priced at $156 found 1 day ago

Thu, Aug 14 - Wed, Sep 3

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$177 Roundtrip, found 1 day ago

$177

Roundtrip

found 1 day ago

Select American Airlines flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Wed, Sep 3, priced at $177 found 1 day ago

Tue, Aug 12 - Wed, Sep 3

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$177 Roundtrip, found 1 day ago

$177

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Tue, Aug 12 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Wed, Sep 3, priced at $177 found 1 day ago

Tue, Aug 12 - Sun, Aug 31

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$187 Roundtrip, found 1 day ago

$187

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Tue, Aug 12 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Aug 31, priced at $187 found 1 day ago

Wed, Sep 17 - Sun, Sep 21

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$189 Roundtrip, found 1 day ago

$189

Roundtrip

found 1 day ago

Select American Airlines flight, departing Wed, Sep 17 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Sep 21, priced at $189 found 1 day ago

Sun, Aug 17 - Wed, Sep 3

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$194 Roundtrip, found 1 day ago

$194

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, Aug 17 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Wed, Sep 3, priced at $194 found 1 day ago

Thu, Aug 14 - Wed, Sep 3

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$202 Roundtrip, found 1 day ago

$202

Roundtrip

found 1 day ago

Select Delta flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Wed, Sep 3, priced at $202 found 1 day ago

Sun, Aug 17 - Sun, Aug 31

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$204 Roundtrip, found 1 day ago

$204

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, Aug 17 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Aug 31, priced at $204 found 1 day ago

Wed, Sep 17 - Sun, Sep 21

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$209 Roundtrip, found 1 day ago

$209

Roundtrip

found 1 day ago

Select American Airlines flight, departing Wed, Sep 17 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Sep 21, priced at $209 found 1 day ago

Wed, Sep 17 - Sun, Sep 21

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$214 Roundtrip, found 1 day ago

$214

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, Sep 17 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Sep 21, priced at $214 found 1 day ago

Thu, Aug 14 - Wed, Sep 3

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$216 Roundtrip, found 1 day ago

$216

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Wed, Sep 3, priced at $216 found 1 day ago

Thu, Aug 14 - Wed, Sep 3

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$220 Roundtrip, found 1 day ago

$220

Roundtrip

found 1 day ago

Select United flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Wed, Sep 3, priced at $220 found 1 day ago

Thu, Aug 14 - Wed, Sep 3

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$224 Roundtrip, found 1 day ago

$224

Roundtrip

found 1 day ago

Select American Airlines flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Wed, Sep 3, priced at $224 found 1 day ago

Tue, Sep 16 - Sat, Sep 20

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$227 Roundtrip, found 1 day ago

$227

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Sep 16 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Sep 20, priced at $227 found 1 day ago

Sun, Jul 27 - Sat, Aug 2

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$229 Roundtrip, found 3 hours ago

$229

Roundtrip

found 3 hours ago

Select Spirit Airlines flight, departing Sun, Jul 27 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Aug 2, priced at $229 found 3 hours ago

Thu, Aug 14 - Wed, Sep 3

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$231 Roundtrip, found 1 day ago

$231

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Wed, Sep 3, priced at $231 found 1 day ago

Thu, Aug 14 - Wed, Sep 3

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$232 Roundtrip, found 1 day ago

$232

Roundtrip

found 1 day ago

Select United flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Wed, Sep 3, priced at $232 found 1 day ago

Sat, Jul 26 - Tue, Aug 5

STL

Lambert-St. Louis Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$274 Roundtrip, found 3 hours ago

$274

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Sat, Jul 26 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Tue, Aug 5, priced at $274 found 3 hours ago