Cheap Flights To Saint-Thomas 2026

Saint-Thomas Flights as Low as $251

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.

Air Canada
Wed, Nov 18 - Wed, Nov 18
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$251
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Nov 18 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Wed, Nov 18, priced at $251 found 2 days ago
Air Canada
Sat, Nov 21 - Sun, Nov 22
DCA
Ronald Reagan Washington National
YUL
Pierre Elliott Trudeau Intl.
$280
Roundtrip
found 4 days ago
Select Air Canada flight, departing Sat, Nov 21 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Sun, Nov 22, priced at $280 found 4 days ago
Delta
Mon, Nov 16 - Sat, Nov 21
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$350
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Nov 16 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Sat, Nov 21, priced at $350 found 2 days ago
Air Canada
Mon, Nov 16 - Sat, Nov 21
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$364
Roundtrip
found 2 days ago
Select Air Canada flight, departing Mon, Nov 16 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Sat, Nov 21, priced at $364 found 2 days ago
Porter Airlines
Delta
Sat, Nov 14 - Wed, Nov 18
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$376
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Nov 14 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Wed, Nov 18, priced at $376 found 2 days ago
Air Canada
Mon, Nov 16 - Sat, Nov 21
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$377
Roundtrip
found 2 days ago
Select Air Canada flight, departing Mon, Nov 16 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Sat, Nov 21, priced at $377 found 2 days ago
Air Canada
Tue, Dec 15 - Wed, Dec 30
DCA
Ronald Reagan Washington National
YUL
Pierre Elliott Trudeau Intl.
$392
Roundtrip
found 5 days ago
Select Air Canada flight, departing Tue, Dec 15 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Wed, Dec 30, priced at $392 found 5 days ago
United
Mon, Nov 16 - Sat, Nov 21
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$417
Roundtrip
found 2 days ago
Select United flight, departing Mon, Nov 16 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Sat, Nov 21, priced at $417 found 2 days ago
Porter Airlines
Air Transat
Sun, Nov 15 - Fri, Nov 20
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$522
Roundtrip
found 2 days ago
Select Air Transat flight, departing Sun, Nov 15 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Fri, Nov 20, priced at $522 found 2 days ago
Delta
Fri, Apr 16 - Mon, Apr 19
BWI
Baltimore Washington Intl. Thurgood Marshall
YUL
Pierre Elliott Trudeau Intl.
$568
Roundtrip
found 14 hours ago
Select Delta flight, departing Fri, Apr 16 from Baltimore Washington Intl. Thurgood Marshall to Pierre Elliott Trudeau Intl., returning Mon, Apr 19, priced at $568 found 14 hours ago
American Airlines
Tue, Dec 15 - Wed, Dec 30
DCA
Ronald Reagan Washington National
YUL
Pierre Elliott Trudeau Intl.
$695
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Dec 15 from Ronald Reagan Washington National to Pierre Elliott Trudeau Intl., returning Wed, Dec 30, priced at $695 found 5 days ago
Porter Airlines
Porter Airlines
Fri, Nov 20 - Mon, Nov 23
DCA
Ronald Reagan Washington National
YHU
Montreal Metropolitan Airport
$859
Roundtrip
found 4 days ago
Select Porter Airlines flight, departing Fri, Nov 20 from Ronald Reagan Washington National to Montreal Metropolitan Airport, returning Mon, Nov 23, priced at $859 found 4 days ago
WestJet
Thu, May 13 - Mon, May 17
BWI
Baltimore Washington Intl. Thurgood Marshall
YUL
Pierre Elliott Trudeau Intl.
$1,087
Roundtrip
found 14 hours ago
Select WestJet flight, departing Thu, May 13 from Baltimore Washington Intl. Thurgood Marshall to Pierre Elliott Trudeau Intl., returning Mon, May 17, priced at $1,087 found 14 hours ago

Cheap Saint-Thomas Flights

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