Flights from Washington to Saint Romain

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.

Mon, Jul 14 - Thu, Jul 17

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$289 Roundtrip, found 1 day ago

$289

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Jul 14 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Thu, Jul 17, priced at $289 found 1 day ago

Mon, Jul 14 - Thu, Jul 17

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$294 Roundtrip, found 1 day ago

$294

Roundtrip

found 1 day ago

Select Air Canada flight, departing Mon, Jul 14 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Thu, Jul 17, priced at $294 found 1 day ago

Mon, Jul 14 - Thu, Jul 17

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$300 Roundtrip, found 1 day ago

$300

Roundtrip

found 1 day ago

Select American Airlines flight, departing Mon, Jul 14 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Thu, Jul 17, priced at $300 found 1 day ago

Mon, Jul 14 - Thu, Jul 17

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$306 Roundtrip, found 1 day ago

$306

Roundtrip

found 1 day ago

Select Air Canada flight, departing Mon, Jul 14 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Thu, Jul 17, priced at $306 found 1 day ago

Thu, Jul 24 - Mon, Jul 28

IAD

Washington Dulles Intl.

YUL

Pierre Elliott Trudeau Intl.

$309 Roundtrip, found 4 days ago

$309

Roundtrip

found 4 days ago

Select Porter Airlines flight, departing Thu, Jul 24 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Mon, Jul 28, priced at $309 found 4 days ago

Mon, Jul 21 - Mon, Jul 28

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$309 Roundtrip, found 4 days ago

$309

Roundtrip

found 4 days ago

Select Air Canada flight, departing Mon, Jul 21 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Mon, Jul 28, priced at $309 found 4 days ago

Fri, Jul 25 - Sat, Jul 26

IAD

Washington Dulles Intl.

YUL

Pierre Elliott Trudeau Intl.

$315 Roundtrip, found 4 days ago

$315

Roundtrip

found 4 days ago

Select Porter Airlines flight, departing Fri, Jul 25 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Sat, Jul 26, priced at $315 found 4 days ago

Tue, Jul 15 - Thu, Jul 17

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$316 Roundtrip, found 1 day ago

$316

Roundtrip

found 1 day ago

Select Air Canada flight, departing Tue, Jul 15 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Thu, Jul 17, priced at $316 found 1 day ago

Thu, Jul 24 - Mon, Jul 28

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$321 Roundtrip, found 4 days ago

$321

Roundtrip

found 4 days ago

Select Air Canada flight, departing Thu, Jul 24 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Mon, Jul 28, priced at $321 found 4 days ago

Fri, Jul 18 - Wed, Jul 23

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$326 Roundtrip, found 1 day ago

$326

Roundtrip

found 1 day ago

Select United flight, departing Fri, Jul 18 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Wed, Jul 23, priced at $326 found 1 day ago

Mon, Jul 14 - Thu, Jul 17

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$326 Roundtrip, found 1 day ago

$326

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Jul 14 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Thu, Jul 17, priced at $326 found 1 day ago

Mon, Jul 14 - Thu, Jul 17

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$329 Roundtrip, found 1 day ago

$329

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Jul 14 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Thu, Jul 17, priced at $329 found 1 day ago

Fri, Jul 18 - Tue, Jul 22

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$331 Roundtrip, found 1 day ago

$331

Roundtrip

found 1 day ago

Select United flight, departing Fri, Jul 18 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Tue, Jul 22, priced at $331 found 1 day ago

Thu, Jul 24 - Mon, Jul 28

IAD

Washington Dulles Intl.

YUL

Pierre Elliott Trudeau Intl.

$333 Roundtrip, found 4 days ago

$333

Roundtrip

found 4 days ago

Select United flight, departing Thu, Jul 24 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Mon, Jul 28, priced at $333 found 4 days ago

Fri, Jul 25 - Mon, Jul 28

IAD

Washington Dulles Intl.

YUL

Pierre Elliott Trudeau Intl.

$338 Roundtrip, found 6 days ago

$338

Roundtrip

found 6 days ago

Select Porter Airlines flight, departing Fri, Jul 25 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Mon, Jul 28, priced at $338 found 6 days ago

Mon, Jul 14 - Thu, Jul 17

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$339 Roundtrip, found 1 day ago

$339

Roundtrip

found 1 day ago

Select American Airlines flight, departing Mon, Jul 14 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Thu, Jul 17, priced at $339 found 1 day ago

Fri, Jul 25 - Fri, Jul 25

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$393 Roundtrip, found 4 days ago

$393

Roundtrip

found 4 days ago

Select Air Canada flight, departing Fri, Jul 25 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Fri, Jul 25, priced at $393 found 4 days ago

Tue, Oct 28 - Mon, Nov 3

BWI

Baltimore Washington Intl. Thurgood Marshall

YUL

Pierre Elliott Trudeau Intl.

$409 Roundtrip, found 5 days ago

$409

Roundtrip

found 5 days ago

Select American Airlines flight, departing Tue, Oct 28 from Baltimore Washington Intl. Thurgood Marshall to Pierre Elliott Trudeau Intl., returning Mon, Nov 3, priced at $409 found 5 days ago

Fri, Jul 25 - Mon, Jul 28

DCA

Ronald Reagan Washington National

YUL

Pierre Elliott Trudeau Intl.

$430 Roundtrip, found 6 days ago

$430

Roundtrip

found 6 days ago

Select United flight, departing Fri, Jul 25 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Mon, Jul 28, priced at $430 found 6 days ago

Tue, Oct 28 - Sun, Nov 2

BWI

Baltimore Washington Intl. Thurgood Marshall

YUL

Pierre Elliott Trudeau Intl.

$718 Roundtrip, found 5 days ago

$718

Roundtrip

found 5 days ago

Select WestJet flight, departing Tue, Oct 28 from Baltimore Washington Intl. Thurgood Marshall to Pierre Elliott Trudeau Intl., returning Sun, Nov 2, priced at $718 found 5 days ago