Flights from Montreal to Baston

Cheapest flights from Montreal

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, Sep 8 - Sun, Sep 21

YUL

Pierre Elliott Trudeau Intl.

LHR

Heathrow

$547 Roundtrip, found 3 days ago

$547

Roundtrip

found 3 days ago

Select Air Canada flight, departing Mon, Sep 8 from Pierre Elliott Trudeau Intl. to Heathrow, returning Sun, Sep 21, priced at $547 found 3 days ago

Mon, Sep 8 - Sun, Sep 21

YUL

Pierre Elliott Trudeau Intl.

LHR

Heathrow

$547 Roundtrip, found 3 days ago

$547

Roundtrip

found 3 days ago

Select Lufthansa flight, departing Mon, Sep 8 from Pierre Elliott Trudeau Intl. to Heathrow, returning Sun, Sep 21, priced at $547 found 3 days ago

Mon, Sep 8 - Sun, Sep 21

YUL

Pierre Elliott Trudeau Intl.

LHR

Heathrow

$554 Roundtrip, found 3 days ago

$554

Roundtrip

found 3 days ago

Select Air Canada flight, departing Mon, Sep 8 from Pierre Elliott Trudeau Intl. to Heathrow, returning Sun, Sep 21, priced at $554 found 3 days ago

Mon, Sep 8 - Sun, Sep 21

YUL

Pierre Elliott Trudeau Intl.

LHR

Heathrow

$575 Roundtrip, found 3 days ago

$575

Roundtrip

found 3 days ago

Select Lufthansa flight, departing Mon, Sep 8 from Pierre Elliott Trudeau Intl. to Heathrow, returning Sun, Sep 21, priced at $575 found 3 days ago

Mon, Sep 8 - Sun, Sep 21

YUL

Pierre Elliott Trudeau Intl.

LHR

Heathrow

$582 Roundtrip, found 3 days ago

$582

Roundtrip

found 3 days ago

Select Air Canada flight, departing Mon, Sep 8 from Pierre Elliott Trudeau Intl. to Heathrow, returning Sun, Sep 21, priced at $582 found 3 days ago

Mon, Sep 8 - Sun, Sep 21

YUL

Pierre Elliott Trudeau Intl.

LHR

Heathrow

$603 Roundtrip, found 3 days ago

$603

Roundtrip

found 3 days ago

Select United flight, departing Mon, Sep 8 from Pierre Elliott Trudeau Intl. to Heathrow, returning Sun, Sep 21, priced at $603 found 3 days ago

Mon, Sep 8 - Sun, Sep 21

YUL

Pierre Elliott Trudeau Intl.

LHR

Heathrow

$626 Roundtrip, found 3 days ago

$626

Roundtrip

found 3 days ago

Select Air Canada flight, departing Mon, Sep 8 from Pierre Elliott Trudeau Intl. to Heathrow, returning Sun, Sep 21, priced at $626 found 3 days ago

Mon, Sep 8 - Sun, Sep 21

YUL

Pierre Elliott Trudeau Intl.

LHR

Heathrow

$633 Roundtrip, found 3 days ago

$633

Roundtrip

found 3 days ago

Select Air Canada flight, departing Mon, Sep 8 from Pierre Elliott Trudeau Intl. to Heathrow, returning Sun, Sep 21, priced at $633 found 3 days ago

Wed, Sep 10 - Wed, Sep 24

YUL

Pierre Elliott Trudeau Intl.

LHR

Heathrow

$705 Roundtrip, found 3 days ago

$705

Roundtrip

found 3 days ago

Select TAP Portugal flight, departing Wed, Sep 10 from Pierre Elliott Trudeau Intl. to Heathrow, returning Wed, Sep 24, priced at $705 found 3 days ago

Mon, Sep 8 - Sun, Sep 21

YUL

Pierre Elliott Trudeau Intl.

LHR

Heathrow

$802 Roundtrip, found 3 days ago

$802

Roundtrip

found 3 days ago

Select Austrian Airlines flight, departing Mon, Sep 8 from Pierre Elliott Trudeau Intl. to Heathrow, returning Sun, Sep 21, priced at $802 found 3 days ago

Sat, Aug 2 - Wed, Aug 20

YUL

Pierre Elliott Trudeau Intl.

LHR

Heathrow

$814 Roundtrip, found 14 hours ago

$814

Roundtrip

found 14 hours ago

Select Virgin Atlantic flight, departing Sat, Aug 2 from Pierre Elliott Trudeau Intl. to Heathrow, returning Wed, Aug 20, priced at $814 found 14 hours ago

Thu, Sep 11 - Tue, Sep 23

YUL

Pierre Elliott Trudeau Intl.

LHR

Heathrow

$817 Roundtrip, found 3 days ago

$817

Roundtrip

found 3 days ago

Select American Airlines flight, departing Thu, Sep 11 from Pierre Elliott Trudeau Intl. to Heathrow, returning Tue, Sep 23, priced at $817 found 3 days ago

Mon, Sep 8 - Sun, Sep 21

YUL

Pierre Elliott Trudeau Intl.

LHR

Heathrow

$833 Roundtrip, found 3 days ago

$833

Roundtrip

found 3 days ago

Select Brussels Airlines flight, departing Mon, Sep 8 from Pierre Elliott Trudeau Intl. to Heathrow, returning Sun, Sep 21, priced at $833 found 3 days ago

Tue, Aug 5 - Sun, Aug 17

YUL

Pierre Elliott Trudeau Intl.

LHR

Heathrow

$853 Roundtrip, found 14 hours ago

$853

Roundtrip

found 14 hours ago

Select Delta flight, departing Tue, Aug 5 from Pierre Elliott Trudeau Intl. to Heathrow, returning Sun, Aug 17, priced at $853 found 14 hours ago

Tue, Aug 5 - Sun, Aug 17

YUL

Pierre Elliott Trudeau Intl.

LHR

Heathrow

$871 Roundtrip, found 14 hours ago

$871

Roundtrip

found 14 hours ago

Select British Airways flight, departing Tue, Aug 5 from Pierre Elliott Trudeau Intl. to Heathrow, returning Sun, Aug 17, priced at $871 found 14 hours ago

Mon, Sep 8 - Sun, Sep 21

YUL

Pierre Elliott Trudeau Intl.

LHR

Heathrow

$916 Roundtrip, found 3 days ago

$916

Roundtrip

found 3 days ago

Select Swiss International Air Lines flight, departing Mon, Sep 8 from Pierre Elliott Trudeau Intl. to Heathrow, returning Sun, Sep 21, priced at $916 found 3 days ago

Tue, Aug 5 - Sun, Aug 17

YUL

Pierre Elliott Trudeau Intl.

LHR

Heathrow

$1,049 Roundtrip, found 14 hours ago

$1,049

Roundtrip

found 14 hours ago

Select KLM flight, departing Tue, Aug 5 from Pierre Elliott Trudeau Intl. to Heathrow, returning Sun, Aug 17, priced at $1,049 found 14 hours ago

Tue, Aug 5 - Sun, Aug 17

YUL

Pierre Elliott Trudeau Intl.

LHR

Heathrow

$1,064 Roundtrip, found 14 hours ago

$1,064

Roundtrip

found 14 hours ago

Select Aer Lingus flight, departing Tue, Aug 5 from Pierre Elliott Trudeau Intl. to Heathrow, returning Sun, Aug 17, priced at $1,064 found 14 hours ago

Tue, Aug 5 - Sun, Aug 17

YUL

Pierre Elliott Trudeau Intl.

LHR

Heathrow

$1,116 Roundtrip, found 14 hours ago

$1,116

Roundtrip

found 14 hours ago

Select Finnair flight, departing Tue, Aug 5 from Pierre Elliott Trudeau Intl. to Heathrow, returning Sun, Aug 17, priced at $1,116 found 14 hours ago

Tue, Aug 5 - Sun, Aug 17

YUL

Pierre Elliott Trudeau Intl.

LHR

Heathrow

$1,157 Roundtrip, found 14 hours ago

$1,157

Roundtrip

found 14 hours ago

Select Air France flight, departing Tue, Aug 5 from Pierre Elliott Trudeau Intl. to Heathrow, returning Sun, Aug 17, priced at $1,157 found 14 hours ago