Cheap flights from Ottawa to London from C$ 356
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to London departing on 22/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Our best WestJet deals on Ottawa to London, Ontario flight tickets
Air Canada flights from Ottawa to London, Ontario
Our best Air Canada deals on Ottawa to London, Ontario flight tickets
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Fly from
Fly to
Route
Depart
Return
OttawaLondon
YOW Ottawa - YXU London
YOWYXU
Ottawa
Thu 26/11
6:55 p.m.-5:35 a.m.
1 stop10h 40m
London
Mon 30/11
6:40 a.m.-1:12 p.m.
1 stop30h 32m
OttawaLondon
YOW Ottawa - YXU London
YOWYXU
Ottawa
Thu 19/11
6:55 p.m.-5:35 a.m.
1 stop10h 40m
London
Sat 21/11
6:40 a.m.-10:15 p.m.
2 stops15h 35m
OttawaLondon
YOW Ottawa - YXU London
YOWYXU
Ottawa
Thu 19/11
6:55 p.m.-5:35 a.m.
1 stop10h 40m
London
Sat 21/11
6:40 a.m.-12:01 a.m.
1 stop17h 21m
OttawaLondon
YOW Ottawa - YXU London
YOWYXU
Ottawa
Tue 3/11
6:55 p.m.-5:35 a.m.
1 stop10h 40m
London
Sat 28/11
6:40 a.m.-10:15 p.m.
2 stops15h 35m
OttawaLondon
YOW Ottawa - YXU London
YOWYXU
Ottawa
Tue 3/11
6:10 a.m.-5:35 a.m.
1 stop23h 25m
London
Sat 28/11
6:40 a.m.-12:01 a.m.
1 stop17h 21m
OttawaLondon
YOW Ottawa - YXU London
YOWYXU
Ottawa
Tue 3/11
7:00 a.m.-5:35 a.m.
2 stops22h 35m
London
Sat 28/11
6:40 a.m.-10:15 p.m.
2 stops15h 35m
OttawaLondon
YOW Ottawa - YXU London
YOWYXU
Ottawa
Sun 21/3
5:10 a.m.-8:37 a.m.
1 stop3h 27m
London
Tue 20/4
5:30 a.m.-9:06 a.m.
1 stop3h 36m
OttawaLondon
YOW Ottawa - YXU London
YOWYXU
Ottawa
Tue 3/11
5:30 a.m.-5:35 a.m.
3 stops24h 05m
London
Sat 28/11
6:40 a.m.-10:15 p.m.
2 stops15h 35m
OttawaLondon
YOW Ottawa - YXU London
YOWYXU
Ottawa
Wed 4/11
6:10 a.m.-5:35 a.m.
1 stop23h 25m
London
Wed 11/11
6:40 a.m.-11:40 p.m.
1 stop17h 00m
OttawaLondon
YOW Ottawa - YXU London
YOWYXU
Ottawa
Mon 1/3
5:10 a.m.-8:37 a.m.
1 stop3h 27m
London
Fri 5/3
3:20 p.m.-6:40 p.m.
1 stop3h 20m
See travel insights to London from
How to get the cheapest flight ticket from Ottawa to London, Ontario
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to London, Ontario?
The month of March is another great option to travel to London, Ontario, with average flight prices from Ottawa averaging around C$ 702.
Can stopping save me money on Ottawa to London, Ontario flights?
You could potentially save up to 45% on your flight if you consider stops on a Ottawa to London, Ontario flight.
What is the cheapest airline that flies from Ottawa to London?
Air Canada is the most popular carrier operating from Ottawa to London
Which airlines fly to London, Ontario?
WestJet, Porter Airlines and Air Canada are the top three most popular airlines that fly to London, Ontario from Ottawa according to our data. WestJet is the first choice among our users, with 50% of people opting to fly with this airline when travelling to London, Ontario. Keep in mind that there are 4 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.
When to book flights from Ottawa to London, Ontario
Cheap Ottawa to London, Ontario (YOW to YXU) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ottawa to London, Ontario
Frequently asked questions about flying from Ottawa to London, Ontario
How far is Ottawa to London by plane?
A flight from Ottawa to London will travel around 517.1 km. In terms of flight time, this usually takes a little over 3h 27m.
When did momondo last update prices for flights from Ottawa Airport to London Airport?
Prices for flights from Ottawa Airport to London Airport were last updated today.
How many operators does momondo search for flights from Ottawa Airport to London Airport?
There is 1 operator available for flights from Ottawa Airport to London Airport as of October 2026.
How old do you have to be to fly from Ottawa Airport to London Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to London Airport.
What documentation or ID do you need to fly to London Airport?
The travel and health documents required for your trip to London Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Ottawa to London, Ontario?
momondo data reveals that the most frequently booked airline on the route from Ottawa to London, Ontario is Air Canada, representing 100% of all bookings.
Best airlines flying from Ottawa to London, Ontario
Compare and see reviews for airlines that fly from Ottawa to London, Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 478 | Free Cancellation | Rating 7.1 11,731 reviews |
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ottawa to London?
Finding the right flight to London from Ottawa is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.
Can I find flights from Ottawa to London with flexible booking policies on momondo?
Yes. All flights to London from Ottawa on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Ottawa to London?
Once all potential Ottawa to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Ottawa to London right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to London from Ottawa. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.