Flights from Washington to Cowansville

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.

Sat, Jun 21 - Wed, Jun 25

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$269 Roundtrip, found 1 day ago

$269

Roundtrip

found 1 day ago

Select Air Canada flight, departing Sat, Jun 21 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Wed, Jun 25, priced at $269 found 1 day ago

Tue, Jun 3 - Sat, Jun 7

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$271 Roundtrip, found 1 day ago

$271

Roundtrip

found 1 day ago

Select Air Canada flight, departing Tue, Jun 3 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Sat, Jun 7, priced at $271 found 1 day ago

Mon, Jun 23 - Mon, Jun 23

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$271 Roundtrip, found 1 day ago

$271

Roundtrip

found 1 day ago

Select United flight, departing Mon, Jun 23 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Mon, Jun 23, priced at $271 found 1 day ago

Sat, Jun 21 - Mon, Jun 23

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$274 Roundtrip, found 1 day ago

$274

Roundtrip

found 1 day ago

Select United flight, departing Sat, Jun 21 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Mon, Jun 23, priced at $274 found 1 day ago

Wed, Jun 18 - Tue, Jul 1

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$278 Roundtrip, found 6 days ago

$278

Roundtrip

found 6 days ago

Select Delta flight, departing Wed, Jun 18 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Tue, Jul 1, priced at $278 found 6 days ago

Thu, Jun 5 - Sat, Jun 7

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$281 Roundtrip, found 1 day ago

$281

Roundtrip

found 1 day ago

Select United flight, departing Thu, Jun 5 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Sat, Jun 7, priced at $281 found 1 day ago

Fri, Jun 20 - Sat, Jun 21

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$284 Roundtrip, found 1 day ago

$284

Roundtrip

found 1 day ago

Select United flight, departing Fri, Jun 20 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Sat, Jun 21, priced at $284 found 1 day ago

Fri, Jun 20 - Mon, Jun 23

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$286 Roundtrip, found 1 day ago

$286

Roundtrip

found 1 day ago

Select Air Canada flight, departing Fri, Jun 20 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Mon, Jun 23, priced at $286 found 1 day ago

Wed, Jun 18 - Tue, Jun 24

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$294 Roundtrip, found 1 day ago

$294

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, Jun 18 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Tue, Jun 24, priced at $294 found 1 day ago

Wed, Jun 18 - Tue, Jul 1

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$295 Roundtrip, found 6 days ago

$295

Roundtrip

found 6 days ago

Select Delta flight, departing Wed, Jun 18 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Tue, Jul 1, priced at $295 found 6 days ago

Sat, Jun 21 - Sat, Jun 21

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$304 Roundtrip, found 1 day ago

$304

Roundtrip

found 1 day ago

Select United flight, departing Sat, Jun 21 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Sat, Jun 21, priced at $304 found 1 day ago

Wed, Jun 18 - Mon, Jun 23

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$308 Roundtrip, found 1 day ago

$308

Roundtrip

found 1 day ago

Select Air Canada flight, departing Wed, Jun 18 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Mon, Jun 23, priced at $308 found 1 day ago

Fri, Jun 20 - Mon, Jun 23

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$309 Roundtrip, found 1 day ago

$309

Roundtrip

found 1 day ago

Select Air Canada flight, departing Fri, Jun 20 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Mon, Jun 23, priced at $309 found 1 day ago

Fri, Jun 20 - Mon, Jun 23

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$311 Roundtrip, found 1 day ago

$311

Roundtrip

found 1 day ago

Select United flight, departing Fri, Jun 20 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Mon, Jun 23, priced at $311 found 1 day ago

Tue, Jun 3 - Tue, Jun 10

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$316 Roundtrip, found 1 day ago

$316

Roundtrip

found 1 day ago

Select United flight, departing Tue, Jun 3 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Tue, Jun 10, priced at $316 found 1 day ago

Fri, Jun 20 - Fri, Jun 20

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$318 Roundtrip, found 1 day ago

$318

Roundtrip

found 1 day ago

Select Air Canada flight, departing Fri, Jun 20 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Fri, Jun 20, priced at $318 found 1 day ago

Tue, Jun 3 - Tue, Jun 10

BWI

Baltimore Washington Intl. Thurgood Marshall

YUL

Pierre Elliott Trudeau Intl.

$340 Roundtrip, found 1 day ago

$340

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Jun 3 from Baltimore Washington Intl. Thurgood Marshall to Pierre Elliott Trudeau Intl., returning Tue, Jun 10, priced at $340 found 1 day ago

Tue, Jun 3 - Tue, Jun 10

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$340 Roundtrip, found 1 day ago

$340

Roundtrip

found 1 day ago

Select United flight, departing Tue, Jun 3 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Tue, Jun 10, priced at $340 found 1 day ago

Tue, Jun 3 - Tue, Jun 10

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$365 Roundtrip, found 1 day ago

$365

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Jun 3 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Tue, Jun 10, priced at $365 found 1 day ago

Tue, Jun 3 - Tue, Jun 10

BWI

Baltimore Washington Intl. Thurgood Marshall

YUL

Pierre Elliott Trudeau Intl.

$416 Roundtrip, found 1 day ago

$416

Roundtrip

found 1 day ago

Select WestJet flight, departing Tue, Jun 3 from Baltimore Washington Intl. Thurgood Marshall to Pierre Elliott Trudeau Intl., returning Tue, Jun 10, priced at $416 found 1 day ago