YXU - YOW

C$ 203 Find Cheap Flights from London to Ottawa – Compare and Save

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Cheap Flights from London to Ottawa (YXU-YOW)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from London to Ottawa

Thu, 22 Oct - Fri, 23 Oct
WestJet Logo
5:55 p.m. - 5:35 a.m.YXU  London-YOW Ottawa
11h 40m1 stop Calgary
WestJet Logo
8:15 p.m. - 5:20 a.m.YOW  Ottawa-YXU London
9h 05m1 stop Calgary
C$ 425WestJet
Fri, 23 Oct - Tue, 27 Oct
WestJet Logo
6:10 a.m. - 5:15 p.m.YXU  London-YOW Ottawa
11h 05m1 stop Calgary
WestJet Logo
6:10 a.m. - 6:35 a.m.YOW  Ottawa-YXU London
24h 25m1 stop Calgary
C$ 454WestJet
Wed, 18 Nov - Fri, 20 Nov
WestJet Logo
6:40 a.m. - 12:01 a.m.YXU  London-YOW Ottawa
17h 21m1 stop Calgary
WestJet Logo
6:10 a.m. - 5:35 a.m.YOW  Ottawa-YXU London
23h 25m1 stop Calgary
C$ 477WestJet
Fri, 2 Oct - Fri, 9 Oct
WestJet Logo
5:55 p.m. - 5:35 a.m.YXU  London-YOW Ottawa
11h 40m1 stop Calgary
WestJet Logo
8:15 p.m. - 5:20 a.m.YOW  Ottawa-YXU London
9h 05m1 stop Calgary
C$ 480WestJet
Sat, 17 Oct - Wed, 21 Oct
WestJet Logo
6:10 a.m. - 3:20 p.m.YXU  London-YOW Ottawa
9h 10m1 stop Calgary
WestJet Logo
8:15 p.m. - 5:20 a.m.YOW  Ottawa-YXU London
9h 05m1 stop Calgary
C$ 498WestJet
Sat, 17 Oct - Wed, 21 Oct
WestJet Logo
6:10 a.m. - 3:20 p.m.YXU  London-YOW Ottawa
9h 10m1 stop Calgary
WestJet Logo
8:15 p.m. - 5:20 a.m.YOW  Ottawa-YXU London
9h 05m1 stop Calgary
C$ 499WestJet
Fri, 23 Oct - Tue, 27 Oct
Multiple Airlines Logo
6:10 a.m. - 5:15 p.m.YXU  London-YOW Ottawa
11h 05m1 stop Calgary
Multiple Airlines Logo
5:40 p.m. - 6:35 a.m.YOW  Ottawa-YXU London
12h 55m2 stops Toronto Pearson Intl Calgary
C$ 501Multiple Airlines
Thu, 22 Oct - Fri, 23 Oct
Multiple Airlines Logo
5:55 p.m. - 2:55 p.m.YXU  London-YOW Ottawa
21h 00m2 stops Calgary Toronto Pearson Intl
Multiple Airlines Logo
8:15 p.m. - 5:20 a.m.YOW  Ottawa-YXU London
9h 05m1 stop Calgary
C$ 519Multiple Airlines
Wed, 25 Nov - Sat, 28 Nov
Air Canada Logo
9:15 a.m. - 1:10 p.m.YXU  London-YOW Ottawa
3h 55m1 stop Toronto Pearson Intl
Air Canada Logo
6:10 p.m. - 9:52 p.m.YOW  Ottawa-YXU London
3h 42m1 stop Toronto Pearson Intl
C$ 691Air Canada
Fri, 13 Nov - Sun, 15 Nov
Air Canada Logo
5:30 a.m. - 9:15 a.m.YXU  London-YOW Ottawa
3h 45m1 stop Toronto Pearson Intl
Air Canada Logo
10:05 a.m. - 2:47 p.m.YOW  Ottawa-YXU London
4h 42m1 stop Toronto Pearson Intl
C$ 691Air Canada
Booking Insights

Price, demand, and travel trends for London to Ottawa flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from London to Ottawa with more confidence.

How much is a round-trip flight from London to Ottawa?

Round-trip flights from London to Ottawa start at C$ 425. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 644 to C$ 1,054. The lowest price found in the past 5 days was C$ 425 on WestJet.

What's the cheapest day of the week to fly from London to Ottawa?

Saturday is the cheapest day of the week to fly from London to Ottawa and is 14% cheaper than the average day. Sunday is the most expensive day with flight prices 30% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Key details for London to Ottawa flights

Low season

August

Cheapest flight

C$ 203
Best time to beat the crowds but there is an average 59% increase in price.
Most popular time to fly and prices are also 26% lower on average.
Flights from London to Ottawa

When to book flights from London to Ottawa

Are your dates flexible? Find out the best times to travel from London to Ottawa based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your London to Ottawa flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from London to Ottawa?

    Flights from London to Ottawa usually depart from London (YXU) and arrive at Ottawa (YOW).

  • Which cabin classes can I book on flights from London to Ottawa?

    Only Economy Class is available on flights from London to Ottawa.

  • Which airports do connecting flights from London to Ottawa pass through?

    Connecting flights from London to Ottawa most commonly pass through:

    • Toronto Pearson Intl (YYZ) – 95% of one-stop connections
    • Calgary (YYC) – 5% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from London to Ottawa?

    On the London to Ottawa route, being flexible with your departure day can save you up to 34%. Saturday is the cheapest day at C$ 692 round-trip on average, while Sunday is the most expensive at C$ 1,045 – a C$ 353 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • Which popular places can I visit in Ottawa?

    Some of the most popular sights in Ottawa are Downtown Ottawa, Parliament Hill, and University of Ottawa. These are among the most viewed places in Ottawa on KAYAK.

  • How long does a flight from London to Ottawa take?

    There are currently no direct flights available from London to Ottawa. Flights with 1 layover take between 3h 24m and 16h 47m in total, depending on the connection.

  • Do I need a passport to fly from London to Ottawa?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from London to Ottawa changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 425 to C$ 2,152. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from London to Ottawa looking right now?

    One-way fares from London to Ottawa are currently lower than usual. Average one-way flight prices are about C$ 310, which is 25% below the typical average for this route.

  • How much time can I save by choosing a different layover airport when travelling from London to Ottawa?

    Flying via Toronto Pearson Intl (YYZ) gives the shortest average 1-stop total travel time at 3h 24m, compared with 16h 47m via Calgary (YYC).

  • What car rental options are available at Ottawa Airport (YOW)?

    Ottawa Airport (YOW) hosts 5 major car rental companies, with daily rates starting from around C$ 17 for economy cars. Top options include:
    · Routes Car & Truck Rentals
    · Europcar
    · Alamo
    · Budget
    · Enterprise Rent-A-Car

  • How much should I expect to pay for a London to Ottawa flight?

    Round-trip flights from London to Ottawa range from C$ 644 to C$ 1,054, with an average of C$ 800 over the past 12 months. Anything below C$ 644 counts as a good deal.

Your guide to booking London to Ottawa flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure instead of Sunday. On this route, Saturday flights average C$ 692 – about C$ 353 less than Sunday (34% savings) based on the last 12 months.
  • If you can choose when to travel, plan your London to Ottawa trip for February. Fares historically average C$ 553 round-trip in that month – typically C$ 719 less than the most expensive month, which is August (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ottawa Airport.
    - Hilton Garden Inn Ottawa Airport
    - Fairfield Inn & Suites by Marriott Ottawa Airport
    - Hampton Inn by Hilton Ottawa Airport

More options for your flight from London to Ottawa

Complete your trip to Ottawa with a hotel stay or car rental

Car rentals in Ottawa
Hotels in Ottawa
Vacations in Ottawa