
Popular airlines from Ottawa International Airport (YOW) to London
- Air Canada
Air Canada
- Air France
Air France
- Lufthansa
Lufthansa
- LOT-Polish Airlines
LOT-Polish Airlines
- Swiss International Air Lines
Swiss International Air Lines
- Brussels Airlines
Brussels Airlines
- United
United
- Plan, book, fly with confidence
trending down icon Be in the knowGet alerts if flight prices drop or rise*bex rewards loyalty icon Book smarterSave up to 15% on select hotels after you book a flight*payments icon
Cheap flights from Ottawa to London (YOW-LON)
Prices were available within the past 7 days and start at €280 for one-way flights and €657 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, 18 Aug - Wed, 27 Aug
YOW
Ottawa
LHR
London
€657 Return, found 2 days ago
€657
Return
found 2 days ago

Mon, 18 Aug - Wed, 27 Aug
YOW
Ottawa
LHR
London
€663 Return, found 2 days ago
€663
Return
found 2 days ago

Tue, 9 Sep - Fri, 26 Sep
YOW
Ottawa
LHR
London
€669 Return, found 3 days ago
€669
Return
found 3 days ago

Mon, 18 Aug - Wed, 27 Aug
YOW
Ottawa
LHR
London
€681 Return, found 2 days ago
€681
Return
found 2 days ago

Mon, 18 Aug - Wed, 27 Aug
YOW
Ottawa
LHR
London
€687 Return, found 2 days ago
€687
Return
found 2 days ago

Mon, 18 Aug - Wed, 27 Aug
YOW
Ottawa
LHR
London
€702 Return, found 2 days ago
€702
Return
found 2 days ago

Tue, 9 Sep - Fri, 26 Sep
YOW
Ottawa
LHR
London
€783 Return, found 3 days ago
€783
Return
found 3 days ago

Tue, 9 Sep - Fri, 26 Sep
XDS
Ottawa
LHR
London
€784 Return, found 3 days ago
€784
Return
found 3 days ago

Mon, 18 Aug - Wed, 27 Aug
YOW
Ottawa
LHR
London
€785 Return, found 2 days ago
€785
Return
found 2 days ago

Tue, 9 Sep - Fri, 26 Sep
YOW
Ottawa
LHR
London
€808 Return, found 3 days ago
€808
Return
found 3 days ago
Find the cheapest month to fly from Ottawa (YOW) to London (LON)
June is typically the cheapest month to fly
From €479 - €677 per traveller.
Graph displaying average flight prices per month
Origin airport | Macdonald-Cartier Intl. |
Destination airport | Heathrow |
Return price | €657 |
Distance | 5315 km |
Perfect flights from Ottawa to London
Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Ottawa to London. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
Our flexible Macdonald-Cartier Intl. to LON-All Airports ticket options cater to your travel preferences, with incredible one-way fares from €280 and roundtrip prices from €657. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at LON-All Airports and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in London.
Explore a world of travel with Expedia
Top Flight Destinations
- Flights to London
- Flights to Edinburgh
- Flights to Manchester
- Flights to Glasgow
- Flights to Liverpool
- Flights to Birmingham
- Flights to Bournemouth
- Flights to Blackpool
- Flights to York
- Flights to Brighton
- Flights to Bristol
- Flights to Cardiff
- Flights to Bath
- Flights to Oxford
- Flights to Southampton
- Flights to Newcastle-upon-Tyne
- Flights to Leeds
- Flights to Belfast
- Flights to Inverness
- Flights to Llandudno
Expedia's Latest Trends
Flights
- Flights from Dublin (DUB) to Bristol (BRS)
- Flights from Cork (ORK) to Cardiff (CWL)
- Flights from Crumlin (BFS) to Reus (REU)
- Flights from Cork (ORK) to Toronto (YYZ)
- Flights from Londonderry (LDY) to Paisley (GLA)
- Flights from Toronto (YYZ) to Dublin (DUB)
- Flights from Cork (ORK) to Paisley (GLA)
- Flights from Dublin (DUB) to Toronto (YYZ)
- Flights from Dublin (DUB) to Crumlin (BFS)
- Flights from Shannon (SNN) to Crumlin (BFS)
- Flights from Crumlin (BFS) to Málaga (AGP)
- Flights from Crumlin (BFS) to Granadilla de Abona (TFS)
- Flights from Cork (ORK) to Bristol (BRS)
- Flights from Paisley (GLA) to Cork (ORK)
- Flights from Shannon (SNN) to Manchester (MAN)
- Flights from Crumlin (BFS) to Manchester (MAN)
- Flights from Crumlin (BFS) to Elche (ALC)
- Flights from Crumlin (BFS) to Faro (FAO)
- Flights from Dublin (DUB) to Manchester (MAN)
- Flights from Crumlin (BFS) to Amsterdam (AMS)
- Flights from Galway (GWY) to Crumlin (BFS)
- Flights from Crumlin (BFS) to Paisley (GLA)
- Flights from Crumlin (BFS) to Birmingham (BHX)
- Flights from Shannon (SNN) to Paisley (GLA)
- Flights from Dublin (DUB) to Paisley (GLA)
- Flights from Crumlin (BFS) to Liverpool (LPL)
- Flights from Exeter (EXT) to Dublin (DUB)
- Flights from Dublin (DUB) to Exeter (EXT)
- Flights from Dublin (DUB) to Cardiff (CWL)
- Flights from Manchester (MAN) to Dublin (DUB)
*Available to Expedia members.