Flights from London to Ottawa

Cheapest flights from London

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.

Tue, Sep 9 - Thu, Sep 18

LHR

Heathrow

YOW

Macdonald-Cartier Intl.

$629 Roundtrip, found 21 hours ago

$629

Roundtrip

found 21 hours ago

Select Virgin Atlantic flight, departing Tue, Sep 9 from Heathrow to Macdonald-Cartier Intl., returning Thu, Sep 18, priced at $629 found 21 hours ago

Tue, Sep 9 - Thu, Sep 18

LHR

Heathrow

XDS

Ottawa Train Station

$639 Roundtrip, found 21 hours ago

$639

Roundtrip

found 21 hours ago

Select KLM flight, departing Tue, Sep 9 from Heathrow to Ottawa Train Station, returning Thu, Sep 18, priced at $639 found 21 hours ago

Tue, Sep 9 - Thu, Sep 18

LHR

Heathrow

XDS

Ottawa Train Station

$682 Roundtrip, found 21 hours ago

$682

Roundtrip

found 21 hours ago

Select KLM flight, departing Tue, Sep 9 from Heathrow to Ottawa Train Station, returning Thu, Sep 18, priced at $682 found 21 hours ago

Tue, Sep 9 - Thu, Sep 18

LHR

Heathrow

YOW

Macdonald-Cartier Intl.

$687 Roundtrip, found 21 hours ago

$687

Roundtrip

found 21 hours ago

Select Air France flight, departing Tue, Sep 9 from Heathrow to Macdonald-Cartier Intl., returning Thu, Sep 18, priced at $687 found 21 hours ago

Tue, Sep 9 - Thu, Sep 18

LHR

Heathrow

YOW

Macdonald-Cartier Intl.

$703 Roundtrip, found 21 hours ago

$703

Roundtrip

found 21 hours ago

Select Air France flight, departing Tue, Sep 9 from Heathrow to Macdonald-Cartier Intl., returning Thu, Sep 18, priced at $703 found 21 hours ago

Tue, Sep 9 - Thu, Sep 18

LHR

Heathrow

YOW

Macdonald-Cartier Intl.

$731 Roundtrip, found 21 hours ago

$731

Roundtrip

found 21 hours ago

Select Lufthansa flight, departing Tue, Sep 9 from Heathrow to Macdonald-Cartier Intl., returning Thu, Sep 18, priced at $731 found 21 hours ago

Tue, Sep 9 - Thu, Sep 18

LHR

Heathrow

YOW

Macdonald-Cartier Intl.

$731 Roundtrip, found 21 hours ago

$731

Roundtrip

found 21 hours ago

Select Air Canada flight, departing Tue, Sep 9 from Heathrow to Macdonald-Cartier Intl., returning Thu, Sep 18, priced at $731 found 21 hours ago

Tue, Sep 9 - Thu, Sep 18

LHR

Heathrow

YOW

Macdonald-Cartier Intl.

$738 Roundtrip, found 21 hours ago

$738

Roundtrip

found 21 hours ago

Select Air Canada flight, departing Tue, Sep 9 from Heathrow to Macdonald-Cartier Intl., returning Thu, Sep 18, priced at $738 found 21 hours ago

Tue, Sep 9 - Thu, Sep 18

LHR

Heathrow

YOW

Macdonald-Cartier Intl.

$744 Roundtrip, found 21 hours ago

$744

Roundtrip

found 21 hours ago

Select Air Canada flight, departing Tue, Sep 9 from Heathrow to Macdonald-Cartier Intl., returning Thu, Sep 18, priced at $744 found 21 hours ago

Tue, Sep 9 - Thu, Sep 18

LHR

Heathrow

YOW

Macdonald-Cartier Intl.

$756 Roundtrip, found 21 hours ago

$756

Roundtrip

found 21 hours ago

Select Air Canada flight, departing Tue, Sep 9 from Heathrow to Macdonald-Cartier Intl., returning Thu, Sep 18, priced at $756 found 21 hours ago

Tue, Sep 9 - Thu, Sep 18

LHR

Heathrow

YOW

Macdonald-Cartier Intl.

$757 Roundtrip, found 21 hours ago

$757

Roundtrip

found 21 hours ago

Select Lufthansa flight, departing Tue, Sep 9 from Heathrow to Macdonald-Cartier Intl., returning Thu, Sep 18, priced at $757 found 21 hours ago

Tue, Sep 9 - Thu, Sep 18

LHR

Heathrow

YOW

Macdonald-Cartier Intl.

$758 Roundtrip, found 21 hours ago

$758

Roundtrip

found 21 hours ago

Select United flight, departing Tue, Sep 9 from Heathrow to Macdonald-Cartier Intl., returning Thu, Sep 18, priced at $758 found 21 hours ago

Tue, Sep 9 - Thu, Sep 18

LHR

Heathrow

YOW

Macdonald-Cartier Intl.

$763 Roundtrip, found 21 hours ago

$763

Roundtrip

found 21 hours ago

Select Air Canada flight, departing Tue, Sep 9 from Heathrow to Macdonald-Cartier Intl., returning Thu, Sep 18, priced at $763 found 21 hours ago

Tue, Sep 9 - Thu, Sep 18

LHR

Heathrow

YOW

Macdonald-Cartier Intl.

$763 Roundtrip, found 21 hours ago

$763

Roundtrip

found 21 hours ago

Select Lufthansa flight, departing Tue, Sep 9 from Heathrow to Macdonald-Cartier Intl., returning Thu, Sep 18, priced at $763 found 21 hours ago

Tue, Sep 9 - Thu, Sep 18

LHR

Heathrow

YOW

Macdonald-Cartier Intl.

$766 Roundtrip, found 21 hours ago

$766

Roundtrip

found 21 hours ago

Select Lufthansa flight, departing Tue, Sep 9 from Heathrow to Macdonald-Cartier Intl., returning Thu, Sep 18, priced at $766 found 21 hours ago

Tue, Sep 9 - Thu, Sep 18

LHR

Heathrow

YOW

Macdonald-Cartier Intl.

$769 Roundtrip, found 21 hours ago

$769

Roundtrip

found 21 hours ago

Select Virgin Atlantic flight, departing Tue, Sep 9 from Heathrow to Macdonald-Cartier Intl., returning Thu, Sep 18, priced at $769 found 21 hours ago

Tue, Sep 9 - Thu, Sep 18

LHR

Heathrow

YOW

Macdonald-Cartier Intl.

$771 Roundtrip, found 21 hours ago

$771

Roundtrip

found 21 hours ago

Select Lufthansa flight, departing Tue, Sep 9 from Heathrow to Macdonald-Cartier Intl., returning Thu, Sep 18, priced at $771 found 21 hours ago

Tue, Sep 9 - Thu, Sep 18

LHR

Heathrow

YOW

Macdonald-Cartier Intl.

$777 Roundtrip, found 21 hours ago

$777

Roundtrip

found 21 hours ago

Select Virgin Atlantic flight, departing Tue, Sep 9 from Heathrow to Macdonald-Cartier Intl., returning Thu, Sep 18, priced at $777 found 21 hours ago

Tue, Sep 9 - Thu, Sep 18

LHR

Heathrow

YOW

Macdonald-Cartier Intl.

$778 Roundtrip, found 21 hours ago

$778

Roundtrip

found 21 hours ago

Select Lufthansa flight, departing Tue, Sep 9 from Heathrow to Macdonald-Cartier Intl., returning Thu, Sep 18, priced at $778 found 21 hours ago

Tue, Sep 9 - Thu, Sep 18

LHR

Heathrow

YOW

Macdonald-Cartier Intl.

$782 Roundtrip, found 21 hours ago

$782

Roundtrip

found 21 hours ago

Select Air Canada flight, departing Tue, Sep 9 from Heathrow to Macdonald-Cartier Intl., returning Thu, Sep 18, priced at $782 found 21 hours ago