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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 31/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Ottawa to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:25 p.m. - 1:25 p.m.
YOW
-
LTN
14h 00m
2 stops
Multiple Airlines Logo
9:40 a.m. - 5:35 p.m.
LTN
-
YOW
12h 55m
2 stops
C$ 885Multiple Airlines
Tue, 2 Jun - Tue, 16 Jun
Multiple Airlines Logo
6:55 a.m. - 4:20 p.m.
YOW
-
LTN
28h 25m
2 stops
Multiple Airlines Logo
6:05 p.m. - 12:20 a.m.
LTN
-
YOW
35h 15m
3 stops
C$ 896Multiple Airlines
Fri, 22 May - Sun, 24 May
Multiple Airlines Logo
5:40 a.m. - 12:45 p.m.
YOW
-
LTN
26h 05m
2 stops
Multiple Airlines Logo
6:15 a.m. - 12:20 a.m.
LTN
-
YOW
23h 05m
3 stops
C$ 928Multiple Airlines
Mon, 20 Apr - Wed, 29 Apr
Multiple Airlines Logo
4:00 p.m. - 10:50 p.m.
YOW
-
LTN
25h 50m
2 stops
Multiple Airlines Logo
6:20 a.m. - 12:25 a.m.
LTN
-
YOW
23h 05m
2 stops
C$ 932Multiple Airlines
Mon, 1 Jun - Fri, 12 Jun
Multiple Airlines Logo
6:55 a.m. - 12:35 p.m.
YOW
-
LTN
24h 40m
3 stops
Multiple Airlines Logo
8:15 a.m. - 12:20 a.m.
LTN
-
YOW
21h 05m
2 stops
C$ 933Multiple Airlines
Wed, 6 May - Mon, 11 May
Multiple Airlines Logo
6:55 a.m. - 12:35 p.m.
YOW
-
LTN
24h 40m
3 stops
Multiple Airlines Logo
7:50 p.m. - 5:35 p.m.
LTN
-
YOW
26h 45m
3 stops
C$ 937Multiple Airlines
Wed, 6 May - Mon, 18 May
Multiple Airlines Logo
6:55 a.m. - 12:35 p.m.
YOW
-
LTN
24h 40m
3 stops
Multiple Airlines Logo
7:50 p.m. - 5:35 p.m.
LTN
-
YOW
26h 45m
3 stops
C$ 947Multiple Airlines
Wed, 6 May - Mon, 11 May
Multiple Airlines Logo
6:55 a.m. - 6:30 p.m.
YOW
-
LTN
30h 35m
2 stops
Multiple Airlines Logo
9:40 a.m. - 5:35 p.m.
LTN
-
YOW
12h 55m
2 stops
C$ 952Multiple Airlines
Tue, 2 Jun - Tue, 16 Jun
Multiple Airlines Logo
2:05 p.m. - 11:50 p.m.
YOW
-
LTN
28h 45m
2 stops
Multiple Airlines Logo
5:40 a.m. - 9:16 p.m.
LTN
-
YOW
20h 36m
2 stops
C$ 973Multiple Airlines
Fri, 3 Apr - Sat, 11 Apr
Multiple Airlines Logo
6:55 a.m. - 12:45 p.m.
YOW
-
LTN
24h 50m
2 stops
Multiple Airlines Logo
7:50 p.m. - 5:35 p.m.
LTN
-
YOW
26h 45m
3 stops
C$ 982Multiple Airlines
Mon, 11 May - Mon, 18 May

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to London Luton Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 14 March 2026.
Use the filters below to find and compare flights from Ottawa to London Luton Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OttawaLondon

YOW - LTN

YOWLTN

Ottawa

Tue 2/6

6:25 p.m.-1:25 p.m.

2 stops14h 00m

London Luton

Tue 16/6

9:40 a.m.-5:35 p.m.

2 stops12h 55m

C$ 885

OttawaLondon

YOW - LTN

YOWLTN

Ottawa

Fri 22/5

6:55 a.m.-4:20 p.m.

2 stops28h 25m

London Luton

Sun 24/5

6:05 p.m.-12:20 a.m.

3 stops35h 15m

C$ 896

OttawaLondon

YOW - LTN

YOWLTN

Ottawa

Mon 20/4

5:40 a.m.-12:45 p.m.

2 stops26h 05m

London Luton

Wed 29/4

6:15 a.m.-12:20 a.m.

3 stops23h 05m

C$ 928

OttawaLondon

YOW - LTN

YOWLTN

Ottawa

Mon 1/6

4:00 p.m.-10:50 p.m.

2 stops25h 50m

London Luton

Fri 12/6

6:20 a.m.-12:25 a.m.

2 stops23h 05m

C$ 932

OttawaLondon

YOW - LTN

YOWLTN

Ottawa

Wed 6/5

6:55 a.m.-12:35 p.m.

3 stops24h 40m

London Luton

Mon 11/5

8:15 a.m.-12:20 a.m.

2 stops21h 05m

C$ 933

OttawaLondon

YOW - LTN

YOWLTN

Ottawa

Wed 6/5

6:55 a.m.-12:35 p.m.

3 stops24h 40m

London Luton

Mon 18/5

7:50 p.m.-5:35 p.m.

3 stops26h 45m

C$ 937

OttawaLondon

YOW - LTN

YOWLTN

Ottawa

Wed 6/5

6:55 a.m.-12:35 p.m.

3 stops24h 40m

London Luton

Mon 11/5

7:50 p.m.-5:35 p.m.

3 stops26h 45m

C$ 947

OttawaLondon

YOW - LTN

YOWLTN

Ottawa

Tue 2/6

6:55 a.m.-6:30 p.m.

2 stops30h 35m

London Luton

Tue 16/6

9:40 a.m.-5:35 p.m.

2 stops12h 55m

C$ 952

OttawaLondon

YOW - LTN

YOWLTN

Ottawa

Fri 3/4

2:05 p.m.-11:50 p.m.

2 stops28h 45m

London Luton

Sat 11/4

5:40 a.m.-9:16 p.m.

2 stops20h 36m

C$ 973

OttawaLondon

YOW - LTN

YOWLTN

Ottawa

Mon 11/5

6:55 a.m.-12:45 p.m.

2 stops24h 50m

London Luton

Mon 18/5

7:50 p.m.-5:35 p.m.

3 stops26h 45m

C$ 982

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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When to book flights from Ottawa to London Luton Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to London Luton Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ottawa to London Luton Airport (YOW to LTN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to London Luton Airport

Fastest flight time

13h 00m

Direct flights

None
The fastest flight from Ottawa to London Luton Airport takes 13h 00m
There are no direct flights from Ottawa to London Luton Airport. There are no popular flight routes from Ottawa to London Luton Airport.
Search flight deals

  • How far is Ottawa to London Luton by plane?

    Ottawa and London Luton are 5325.8 km apart from one another. Flights usually cover this in 13h 00m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Ottawa Airport to London Luton Airport?

    Prices for flights from Ottawa Airport to London Luton Airport were last updated today.

  • How old do you have to be to fly from Ottawa Airport to London Luton 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 Luton Airport.

  • What documentation or ID do you need to fly to London Luton Airport?

    The travel and health documents you'll need for your trip to London Luton Airport 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 London Luton Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Ottawa to London Luton Airport?

    Search flight deals from Ottawa to London Luton Airport. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Ottawa to London Luton Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Wembley
Ilford
Slough
Gatwick
Wokingham
Crawley
Feltham
Hayes
Newport
Waterlooville
Chelmsford
Basingstoke
Milton Keynes
Dover
Guildford
Worthing
Ipswich
Maidstone
Woking

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ottawa to London. momondo saves you time and could save you money on your trip.

Can I find flights from Ottawa to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Ottawa which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ottawa to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Ottawa.

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.

An easier way to manage your London Luton Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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