Flights from Washington to Arnold

Cheapest flights from Washington

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.

Fri, Jul 4 - Sat, Jul 5

DCA

Ronald Reagan Washington National

STL

Lambert-St. Louis Intl.

$199 Roundtrip, found 1 day ago

$199

Roundtrip

found 1 day ago

Select Delta flight, departing Fri, Jul 4 from Ronald Reagan Washington National to Lambert-St. Louis Intl., returning Sat, Jul 5, priced at $199 found 1 day ago

Fri, Jul 4 - Wed, Jul 9

DCA

Ronald Reagan Washington National

STL

Lambert-St. Louis Intl.

$224 Roundtrip, found 1 day ago

$224

Roundtrip

found 1 day ago

Select Delta flight, departing Fri, Jul 4 from Ronald Reagan Washington National to Lambert-St. Louis Intl., returning Wed, Jul 9, priced at $224 found 1 day ago

Sat, Jul 5 - Mon, Jul 7

IAD

Washington Dulles Intl.

STL

Lambert-St. Louis Intl.

$240 Roundtrip, found 1 day ago

$240

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jul 5 from Washington Dulles Intl. to Lambert-St. Louis Intl., returning Mon, Jul 7, priced at $240 found 1 day ago

Sun, Jul 6 - Tue, Jul 8

BWI

Baltimore Washington Intl. Thurgood Marshall

STL

Lambert-St. Louis Intl.

$240 Roundtrip, found 1 day ago

$240

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jul 6 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Tue, Jul 8, priced at $240 found 1 day ago

Thu, Jul 3 - Mon, Jul 7

DCA

Ronald Reagan Washington National

STL

Lambert-St. Louis Intl.

$249 Roundtrip, found 1 day ago

$249

Roundtrip

found 1 day ago

Select United flight, departing Thu, Jul 3 from Ronald Reagan Washington National to Lambert-St. Louis Intl., returning Mon, Jul 7, priced at $249 found 1 day ago

Sun, Jul 6 - Thu, Jul 10

BWI

Baltimore Washington Intl. Thurgood Marshall

STL

Lambert-St. Louis Intl.

$250 Roundtrip, found 1 day ago

$250

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jul 6 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Thu, Jul 10, priced at $250 found 1 day ago

Thu, Jul 3 - Mon, Jul 7

DCA

Ronald Reagan Washington National

STL

Lambert-St. Louis Intl.

$253 Roundtrip, found 1 day ago

$253

Roundtrip

found 1 day ago

Select American Airlines flight, departing Thu, Jul 3 from Ronald Reagan Washington National to Lambert-St. Louis Intl., returning Mon, Jul 7, priced at $253 found 1 day ago

Thu, Jul 3 - Mon, Jul 7

IAD

Washington Dulles Intl.

STL

Lambert-St. Louis Intl.

$255 Roundtrip, found 1 day ago

$255

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jul 3 from Washington Dulles Intl. to Lambert-St. Louis Intl., returning Mon, Jul 7, priced at $255 found 1 day ago

Wed, Jul 2 - Thu, Jul 10

BWI

Baltimore Washington Intl. Thurgood Marshall

STL

Lambert-St. Louis Intl.

$260 Roundtrip, found 1 day ago

$260

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jul 2 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Thu, Jul 10, priced at $260 found 1 day ago

Thu, Jul 3 - Mon, Jul 7

IAD

Washington Dulles Intl.

STL

Lambert-St. Louis Intl.

$265 Roundtrip, found 1 day ago

$265

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jul 3 from Washington Dulles Intl. to Lambert-St. Louis Intl., returning Mon, Jul 7, priced at $265 found 1 day ago

Sat, Jul 5 - Sat, Jul 5

DCA

Ronald Reagan Washington National

STL

Lambert-St. Louis Intl.

$268 Roundtrip, found 1 day ago

$268

Roundtrip

found 1 day ago

Select Delta flight, departing Sat, Jul 5 from Ronald Reagan Washington National to Lambert-St. Louis Intl., returning Sat, Jul 5, priced at $268 found 1 day ago

Thu, Jul 3 - Tue, Jul 8

BWI

Baltimore Washington Intl. Thurgood Marshall

STL

Lambert-St. Louis Intl.

$270 Roundtrip, found 1 day ago

$270

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jul 3 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Tue, Jul 8, priced at $270 found 1 day ago

Thu, Jul 3 - Mon, Jul 7

DCA

Ronald Reagan Washington National

STL

Lambert-St. Louis Intl.

$276 Roundtrip, found 1 day ago

$276

Roundtrip

found 1 day ago

Select United flight, departing Thu, Jul 3 from Ronald Reagan Washington National to Lambert-St. Louis Intl., returning Mon, Jul 7, priced at $276 found 1 day ago

Thu, Jul 3 - Mon, Jul 7

DCA

Ronald Reagan Washington National

STL

Lambert-St. Louis Intl.

$284 Roundtrip, found 1 day ago

$284

Roundtrip

found 1 day ago

Select United flight, departing Thu, Jul 3 from Ronald Reagan Washington National to Lambert-St. Louis Intl., returning Mon, Jul 7, priced at $284 found 1 day ago

Thu, Jul 3 - Mon, Jul 7

DCA

Ronald Reagan Washington National

STL

Lambert-St. Louis Intl.

$287 Roundtrip, found 1 day ago

$287

Roundtrip

found 1 day ago

Select American Airlines flight, departing Thu, Jul 3 from Ronald Reagan Washington National to Lambert-St. Louis Intl., returning Mon, Jul 7, priced at $287 found 1 day ago

Thu, Jul 3 - Mon, Jul 7

DCA

Ronald Reagan Washington National

STL

Lambert-St. Louis Intl.

$290 Roundtrip, found 1 day ago

$290

Roundtrip

found 1 day ago

Select United flight, departing Thu, Jul 3 from Ronald Reagan Washington National to Lambert-St. Louis Intl., returning Mon, Jul 7, priced at $290 found 1 day ago

Tue, Jul 1 - Sun, Jul 6

BWI

Baltimore Washington Intl. Thurgood Marshall

STL

Lambert-St. Louis Intl.

$290 Roundtrip, found 1 day ago

$290

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jul 1 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Sun, Jul 6, priced at $290 found 1 day ago

Thu, Jul 3 - Mon, Jul 7

DCA

Ronald Reagan Washington National

STL

Lambert-St. Louis Intl.

$293 Roundtrip, found 1 day ago

$293

Roundtrip

found 1 day ago

Select United flight, departing Thu, Jul 3 from Ronald Reagan Washington National to Lambert-St. Louis Intl., returning Mon, Jul 7, priced at $293 found 1 day ago

Thu, Jul 3 - Mon, Jul 7

BWI

Baltimore Washington Intl. Thurgood Marshall

STL

Lambert-St. Louis Intl.

$321 Roundtrip, found 1 day ago

$321

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Jul 3 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Mon, Jul 7, priced at $321 found 1 day ago

Thu, Jul 3 - Mon, Jul 7

DCA

Ronald Reagan Washington National

STL

Lambert-St. Louis Intl.

$378 Roundtrip, found 1 day ago

$378

Roundtrip

found 1 day ago

Select United flight, departing Thu, Jul 3 from Ronald Reagan Washington National to Lambert-St. Louis Intl., returning Mon, Jul 7, priced at $378 found 1 day ago