Cheap flights from Ottawa to the United Kingdom from C$ 429
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 the United Kingdom departing on 24/11. 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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Fly from
Fly to
Route
Depart
Return
OttawaLondon
YOW Ottawa - LGW London Gatwick
YOWLGW
Ottawa
Tue 10/11
2:55 p.m.-2:25 p.m.
2 stops18h 30m
London Gatwick
Tue 17/11
7:25 a.m.-9:52 p.m.
3 stops19h 27m
OttawaLondon
YOW Ottawa - LGW London Gatwick
YOWLGW
Ottawa
Tue 10/11
2:55 p.m.-2:25 p.m.
2 stops18h 30m
London Gatwick
Tue 17/11
7:25 a.m.-10:32 p.m.
2 stops20h 07m
OttawaLondon
YOW Ottawa - LGW London Gatwick
YOWLGW
Ottawa
Wed 10/2
5:40 p.m.-9:45 a.m.
1 stop11h 05m
London Gatwick
Wed 17/2
11:40 a.m.-10:15 p.m.
1 stop15h 35m
OttawaLondon
YOW Ottawa - LGW London Gatwick
YOWLGW
Ottawa
Tue 9/2
1:45 p.m.-9:45 a.m.
1 stop15h 00m
London Gatwick
Fri 19/2
11:40 a.m.-8:13 a.m.
1 stop25h 33m
OttawaLondon
YOW Ottawa - LHR London Heathrow
YOWLHR
Ottawa
Sat 13/2
8:25 p.m.-11:20 a.m.
1 stop9h 55m
London Heathrow
Mon 15/2
11:05 a.m.-3:57 p.m.
2 stops33h 52m
OttawaLondon
YOW Ottawa - LGW London Gatwick
YOWLGW
Ottawa
Sat 13/2
5:40 p.m.-9:45 a.m.
1 stop11h 05m
London Gatwick
Mon 15/2
11:40 a.m.-8:13 a.m.
1 stop25h 33m
OttawaLondon
YOW Ottawa - LHR London Heathrow
YOWLHR
Ottawa
Wed 7/4
10:50 a.m.-6:30 a.m.
1 stop14h 40m
London Heathrow
Wed 21/4
7:25 a.m.-10:26 p.m.
2 stops20h 01m
OttawaLondon
YOW Ottawa - LHR London Heathrow
YOWLHR
Ottawa
Wed 7/4
9:00 p.m.-8:35 a.m.
Nonstop6h 35m
London Heathrow
Wed 21/4
9:00 a.m.-10:26 p.m.
2 stops18h 26m
OttawaLondon
YOW Ottawa - LHR London Heathrow
YOWLHR
Ottawa
Wed 7/4
9:00 p.m.-8:35 a.m.
Nonstop6h 35m
London Heathrow
Wed 21/4
12:05 p.m.-3:00 p.m.
Nonstop7h 55m
OttawaLondon
YOW Ottawa - LHR London Heathrow
YOWLHR
Ottawa
Wed 4/11
5:10 p.m.-4:35 p.m.
1 stop18h 25m
London Heathrow
Fri 13/11
8:55 a.m.-3:00 p.m.
1 stop11h 05m
See travel insights to the United Kingdom from
How to get the cheapest flight ticket from Ottawa to United Kingdom
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 United Kingdom?
If you aren’t able to travel during the month of September, then book flights to United Kingdom from Ottawa during January instead. Flights to United Kingdom in January, while not as cheap as those in September, still average around C$ 974.
What is the cheapest day to depart on your flight to United Kingdom?
According to our data, Friday is the cheapest day to fly to United Kingdom from Ottawa. The lowest ticket price found for a Friday departure recently was C$ 996. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Ottawa to United Kingdom on a Thursday will generally be more expensive and average around C$ 1,266. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to United Kingdom?
In the evening is the cheapest time of day to fly from Ottawa to United Kingdom when you can find flight prices for as low as C$ 1,071. Flying to United Kingdom in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to United Kingdom is in the morning when prices are around C$ 1,315.
What is the cheapest Ottawa to United Kingdom flight route?
Fly from Ottawa to London Gatwick for the best Ottawa - United Kingdom flight prices
How far in advance should I book a flight from Ottawa to the United Kingdom?
You are more likely to see cheaper flights to United Kingdom from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around C$ 1,164 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Ottawa for as low as C$ 1,051 on momondo.
What cabin class options are available on Ottawa to United Kingdom flights?
There are 3 cabin classes available to choose from on Ottawa to United Kingdom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Ottawa to United Kingdom?
WestJet, Aer Lingus, and Air France are the most popular carriers operating from Ottawa to United Kingdom
Which airlines fly to United Kingdom?
Air Canada, British Airways and Lufthansa are the top three most popular airlines that fly to United Kingdom from Ottawa according to our data. Air Canada is the first choice among our users, with 55% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 11 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.
How often are flights from Ottawa to the United Kingdom delayed?
Historically, on average around 28% of flights between Ottawa and United Kingdom have experienced a delay on any given week. The average delay length over the past 12 months has been 132 minutes.
What is the most punctual flight time for Ottawa to the United Kingdom flights?
Generally, flights departing in the evening tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.
What day of the week experiences the fewest flight delays on this route?
Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.
Which airline has the best punctuality record on Ottawa to the United Kingdom flights?
According to our data, Air Transat has had the least delays on this route over the last 12 months, with about 20% of their flights experiencing any sort of delay.
How many flights depart from Ottawa to United Kingdom on average per day?
The number of flights available between Ottawa and United Kingdom is 2 per day as of October 2026. The most frequent departure time is 9:00p.m., with 100% of daily flights leaving in the evening.
How many flights depart from Ottawa to United Kingdom on average per week?
17 flights are operational weekly from Ottawa to United Kingdom as of October 2026. The most popular departure day for this route is Sat, with 41% of flights per week taking off on this day.
Cheap Ottawa to United Kingdom flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ottawa to United Kingdom
Frequently asked questions about flying from Ottawa to the United Kingdom
When did momondo last update prices for flights from Ottawa Airport to United Kingdom?
Prices for flights from Ottawa Airport to United Kingdom were last updated today.
How many operators does momondo search for flights from Ottawa Airport to United Kingdom?
The number of operators available for flights from Ottawa Airport to United Kingdom is 7 as of October 2026.
How old do you have to be to fly from Ottawa Airport to United Kingdom?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Ottawa to United Kingdom?
Based on momondo bookings for flights between Ottawa and United Kingdom, the leading plane model is Airbus A321neo, making up 61.67% of the total bookings. Other popular models include Airbus A330-300 with 28.33%, Boeing 787-8 Dreamliner with 3.33%, and Boeing 787-9 Dreamliner with 1.43%.
Best airlines flying from Ottawa to United Kingdom
Compare and see reviews for airlines that fly from Ottawa to United Kingdom with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 494 | Free Cancellation | Rating 7.5 694 reviews | |||
| PriceFrom C$ 698 | Free Cancellation | Rating 7.7 583 reviews | |||
| PriceFrom C$ 739 | Free Cancellation | Rating 7.2 3,448 reviews | |||
| PriceFrom C$ 794 | Free Cancellation | Rating 7.5 1,651 reviews | |||
| PriceFrom C$ 860 | Free Cancellation | Rating 8.0 468 reviews | |||
| PriceFrom C$ 925 | Free Cancellation | Rating 7.1 11,762 reviews | |||
| PriceFrom C$ 939 | Free Cancellation | Rating 6.8 8,274 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ottawa to United Kingdom?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ottawa to United Kingdom for you.
Can I find flights from Ottawa to United Kingdom with flexible booking policies on momondo?
Flights from Ottawa to United Kingdom with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Ottawa to United Kingdom?
momondo provides multiple filters to help you find the best flight to United Kingdom from Ottawa. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Ottawa to United Kingdom right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to United Kingdom 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.