Cheap Flights from Ottawa to London
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Flights from Ottawa to London
Airlines Flying from Ottawa to London
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Flight deals from Ottawa to London
We've found these cheap flights for you. You can book one-way or return flight tickets.
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Round-trip
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One way
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Cheapest nonstop
YOW 18:556h 35mDirectLHR 06:30Ottawa - London | Thu, Jul 10 | Air Canada
LHR 12:407h 20mDirectYOW 15:00London - Ottawa | Wed, Jul 16 | Air Canada€650 €84923% OFF23% OFF€849 €650 -
YOW 18:556h 35mDirectLHR 06:30Ottawa - London | Thu, Aug 14 | Lufthansa
LHR 14:057h 20mDirectYOW 16:25London - Ottawa | Thu, Aug 21 | Air Canada€670 €84921% OFF21% OFF€849 €670 -
YOW 07:0022h 45m1 stopsLGW 10:45Ottawa - London | Wed, Aug 6 | Air Transat
LGW 12:4026h 41m1 stopsYOW 10:21London - Ottawa | Wed, Aug 13 | Air Transat€584 €84931% OFF31% OFF€849 €584 -
YOW 07:0022h 45m1 stopsLGW 10:45Ottawa - London | Tue, Jul 1 | Air Transat
LGW 09:4019h 41m1 stopsYOW 00:21London - Ottawa | Sun, Jul 6 | Air Transat€60228% OFF€849 €602
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YOW 07:0022h 45m1 stopsLGW 10:45Ottawa - London | Wed, Aug 13 | Air Transat
LGW 10:0029h 21m1 stopsYOW 10:21London - Ottawa | Thu, Aug 21 | Air Transat€60328% OFF€849 €603
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YOW 07:0019h 55m1 stopsLGW 07:55Ottawa - London | Wed, Aug 20 | Air Transat
LGW 09:4027h 25m1 stopsYOW 08:05London - Ottawa | Wed, Aug 27 | Air Transat€60428% OFF€849 €604
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YOW 11:2015h 30m1 stopsLGW 07:50Ottawa - London | Thu, Aug 7 | Air Transat
LGW 10:0015h 1m1 stopsYOW 20:01London - Ottawa | Thu, Aug 14 | Air Transat€61128% OFF€849 €611
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YOW 07:0022h 45m1 stopsLGW 10:45Ottawa - London | Mon, Aug 25 | Air Transat
LGW 09:4019h 41m1 stopsYOW 00:21London - Ottawa | Mon, Sep 1 | Air Transat€61328% OFF€849 €613
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YOW 11:2018h 25m1 stopsLGW 10:45Ottawa - London | Tue, Aug 12 | Air Transat
LGW 12:4024h 25m1 stopsYOW 08:05London - Ottawa | Tue, Aug 19 | Air Transat€61727% OFF€849 €617
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YOW 14:2012h 35m1 stopsLGW 07:55Ottawa - London | Wed, Aug 13 | Porter Airlines
LGW 12:4016h 41m1 stopsYOW 00:21London - Ottawa | Thu, Aug 21 | Porter Airlines€61927% OFF€849 €619 -
YOW 14:2015h 25m1 stopsLGW 10:45Ottawa - London | Tue, Aug 12 | Porter Airlines
LGW 12:4026h 41m1 stopsYOW 10:21London - Ottawa | Tue, Aug 19 | Porter Airlines€62127% OFF€849 €621
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YOW 07:0019h 55m1 stopsLGW 07:55Ottawa - London | Thu, Jul 10 | Air Transat
LGW 09:4016h 21m1 stopsYOW 21:01London - Ottawa | Sun, Jul 13 | Air Transat€7729% OFF€849 €772
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YOW 13:0017h 25m1 stopsLON Invalid DateOttawa - London | Wed, Jul 2 | Normal Airline
LON 15:006hDirectYOW 16:00London - Ottawa | Fri, Jul 4 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
YOW 21:006h 35mDirectLHR 08:35Ottawa - London | Wed, Jul 23 | Air Canada€323 €36712% OFF12% OFF€367 €323
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YOW 21:006h 35mDirectLHR 08:35Ottawa - London | Sat, Jul 26 | Air Canada€334 €3679% OFF9% OFF€367 €334
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YOW 11:0014h 20m1 stopsLGW 06:20Ottawa - London | Thu, Aug 7 | Porter Airlines€194 €36747% OFF47% OFF€367 €194
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YOW 11:0014h 20m1 stopsLGW 06:20Ottawa - London | Wed, Jul 16 | Porter Airlines€20045% OFF€367 €200
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YOW 11:0014h 20m1 stopsLGW 06:20Ottawa - London | Mon, Jul 28 | Porter Airlines€20644% OFF€367 €206
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YOW 11:0014h 20m1 stopsLGW 06:20Ottawa - London | Thu, Jul 24 | Porter Airlines€20943% OFF€367 €209
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YOW 11:0014h 20m1 stopsLGW 06:20Ottawa - London | Fri, Aug 8 | Porter Airlines€21242% OFF€367 €212
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YOW 11:0014h 20m1 stopsLGW 06:20Ottawa - London | Tue, Aug 5 | Porter Airlines€21242% OFF€367 €212
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YOW 11:0014h 20m1 stopsLGW 06:20Ottawa - London | Thu, Aug 7 | Air Transat€21442% OFF€367 €214
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YOW 11:0014h 20m1 stopsLGW 06:20Ottawa - London | Wed, Jul 23 | Porter Airlines€21541% OFF€367 €215
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YOW 08:3016h 50m1 stopsLGW 06:20Ottawa - London | Sat, Jul 19 | Porter Airlines€21741% OFF€367 €217
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YOW 11:0014h 20m1 stopsLGW 06:20Ottawa - London | Tue, Jul 29 | Porter Airlines€22838% OFF€367 €228
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YOW 13:0017h 25m1 stopsLON Invalid DateOttawa - London | Wed, Jul 2 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Flight Information from Ottawa to London
| Cheapest one-way flight price | €194 |
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| Cheapest return ticket price | €584 |
| Off-season travel month | April |
| Peak season for travel | June |
| Flight distance | 5,366.4km |
| Average flight time | 6 hours 35 minutes |
| Popular airline | Air Canada |
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
FAQ
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When are flight tickets from Ottawa (YOW) to London (LON) the cheapest?
Airlines adjust prices for flights from Ottawa to London based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much are flights from Ottawa (YOW) to London (LON) cost?
According to Trip.com's data, the lowest price is around €776. -
How long is the flight from Ottawa (YOW) to London (LON)?
It takes about 6 hours 35 minutes to fly from Ottawa (YOW) to London (LON). -
What are the most popular airlines that fly from Ottawa (YOW) to London (LON)?
Airlines with flights from Ottawa (YOW) to London (LON): Air Canada, United Airlines, SriLankan Airlines, TAP Air Portugal, Austrian Airlines, Lufthansa, AEGEAN and Middle East Airlines. -
How many airports in London (LON)?
There are 6 airport(s) in London (LON): London City Airport, London Gatwick Airport, Heathrow Airport, London Luton Airport, London Southend Airport and London Stansted Airport.
How to find a cheap flight from Ottawa to London
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Ottawa to London. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest flight from Ottawa to London.
Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from Ottawa to London over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Wed, Jul 23, with one-way flights priced at just €323.
Compare cheap flight deals from Ottawa to London across hundreds of airlines.
With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from Ottawa to London. The cheapest airline for this route is Air Canada.
Set up a Price Alert
By setting up a Price Alert for your journey from Ottawa to London, you can easily keep an eye on ticket prices without having to check every day.
Don't miss out on cheap flight deals and promo codes from Ottawa to London.
You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.
Book early or wait until the last minute.
It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.
Search for flights on the go.
For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Ottawa to London and snag some exclusive deals just for you.
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