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Cheap flight deals from Ottawa to London Starting at €191

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip
      • Cheapest nonstop
        YOW09:00 pm
        6h 35m
        Nonstop
        LHR08:35 am
        Sat, May 3|Ottawa - London|Air Canada
        €683€787
        13% OFF
        13% OFF
        €787€683

        Choose Air Canada flights from Ottawa to London. The one-way direct flight with Air Canada departs from Ottawa Macdonald-Cartier International Airport on Sat, May 3, arriving at Heathrow Airport. One-way Prices start from €683 including taxes and charges.

      • YOW06:55 pm
        6h 35m
        Nonstop
        LHR06:30 am
        Mon, Apr 21|Ottawa - London|Lufthansa
        €693€787
        12% OFF
        12% OFF
        €787€693

        Choose Lufthansa flights from Ottawa to London. The one-way direct flight with Lufthansa departs from Ottawa Macdonald-Cartier International Airport on Mon, Apr 21, arriving at Heathrow Airport. One-way Prices start from €693 including taxes and charges.

      • YOW06:55 pm
        36h 55m
        1 stop
        LHR12:50 pm
        Mon, Feb 17|Ottawa - London|Porter Airlines
        €191€787
        76% OFF
        76% OFF
        €787€191

        Choose Porter Airlines flights from Ottawa to London. The one-way connecting flight with Porter Airlines departs from Ottawa Macdonald-Cartier International Airport on Mon, Feb 17, arriving at Heathrow Airport. One-way Prices start from €191 including taxes and charges.

      • YOW06:55 pm
        36h 55m
        1 stop
        LHR12:50 pm
        Sun, Feb 16|Ottawa - London|Porter Airlines
        €195
        €195

        Choose Porter Airlines flights from Ottawa to London. The one-way connecting flight with Porter Airlines departs from Ottawa Macdonald-Cartier International Airport on Sun, Feb 16, arriving at Heathrow Airport. One-way Prices start from €195 including taxes and charges.

      • YOW06:15 am
        25h 35m
        1 stop
        LHR12:50 pm
        Wed, Feb 19|Ottawa - London|WestJet
        €204
        €204

        Choose WestJet flights from Ottawa to London. The one-way connecting flight with WestJet departs from Ottawa Macdonald-Cartier International Airport on Wed, Feb 19, arriving at Heathrow Airport. One-way Prices start from €204 including taxes and charges.

      • YOW06:55 pm
        36h 55m
        1 stop
        LHR12:50 pm
        Wed, Mar 5|Ottawa - London|Porter Airlines
        €205
        €205

        Choose Porter Airlines flights from Ottawa to London. The one-way connecting flight with Porter Airlines departs from Ottawa Macdonald-Cartier International Airport on Wed, Mar 5, arriving at Heathrow Airport. One-way Prices start from €205 including taxes and charges.

      • YOW06:55 pm
        36h 55m
        1 stop
        LHR12:50 pm
        Thu, Mar 6|Ottawa - London|Porter Airlines
        €208
        €208

        Choose Porter Airlines flights from Ottawa to London. The one-way connecting flight with Porter Airlines departs from Ottawa Macdonald-Cartier International Airport on Thu, Mar 6, arriving at Heathrow Airport. One-way Prices start from €208 including taxes and charges.

      • YOW06:15 am
        25h 35m
        1 stop
        LHR12:50 pm
        Mon, Mar 31|Ottawa - London|WestJet
        €208
        €208

        Choose WestJet flights from Ottawa to London. The one-way connecting flight with WestJet departs from Ottawa Macdonald-Cartier International Airport on Mon, Mar 31, arriving at Heathrow Airport. One-way Prices start from €208 including taxes and charges.

      • YOW06:55 pm
        36h 55m
        1 stop
        LHR12:50 pm
        Mon, Mar 3|Ottawa - London|Porter Airlines
        €212
        €212

        Choose Porter Airlines flights from Ottawa to London. The one-way connecting flight with Porter Airlines departs from Ottawa Macdonald-Cartier International Airport on Mon, Mar 3, arriving at Heathrow Airport. One-way Prices start from €212 including taxes and charges.

      • YOW06:15 am
        25h 35m
        1 stop
        LHR12:50 pm
        Wed, Feb 26|Ottawa - London|WestJet
        €221
        €221

        Choose WestJet flights from Ottawa to London. The one-way connecting flight with WestJet departs from Ottawa Macdonald-Cartier International Airport on Wed, Feb 26, arriving at Heathrow Airport. One-way Prices start from €221 including taxes and charges.

      • YOW01:00 pm
        3h 5m
        Nonstop
        LON02:00 pm
        Sun, Feb 23|Ottawa - London|Air Canada
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Ottawa to London Flight Time

Flight info.
Departure
Arrival
Weekly Schedule

  1. PD158

    Porter Airlines

    02:20 pm

    YOW

    1.1h

    03:28 pm

    YYZ

    SMTWTFS
    Search

  2. PD359

    Porter Airlines

    01:50 pm

    YYZ

    4.4h

    04:15 pm

    YYC

    SMTWTFS

  3. WS018

    WestJet

    08:35 pm

    YYC

    8.5h

    12:05 pm

    LHR

    SMTWTFS

  4. PD2339

    Porter Airlines

    04:50 pm

    YOW

    1.8h

    06:35 pm

    EWR

    SMTWTFS
    Search

  5. AA142

    American Airlines

    09:45 am

    JFK

    6.9h

    09:40 pm

    LHR

    SMTWT-S

  6. WS375

    WestJet

    05:55 am

    YOW

    1.1h

    07:04 am

    YYZ

    SMTWTFS
    Search

  7. TS122

    Air Transat

    10:45 pm

    YYZ

    7.0h

    10:45 am

    LGW

    SM-WTFS

  8. WS375

    WestJet

    05:55 am

    YOW

    1.1h

    07:04 am

    YYZ

    SMTWTFS
    Search

  9. PD7122

    Porter Airlines

    10:45 pm

    YYZ

    7.0h

    10:45 am

    LGW

    SM-WTFS

  10. WS611

    WestJet

    06:00 am

    YOW

    4.5h

    08:27 am

    YYC

    SMTWTFS
    Search

  11. WS018

    WestJet

    08:35 pm

    YYC

    8.5h

    12:05 pm

    LHR

    SMTWTFS

  12. UA3629

    United Airlines

    06:05 am

    YOW

    1.7h

    07:47 am

    EWR

    SMTWTFS
    Search

  13. AA106

    American Airlines

    07:30 pm

    JFK

    7.3h

    07:45 am

    LHR

    SMTWTFS

  14. PD150

    Porter Airlines

    06:25 am

    YOW

    1.3h

    07:40 am

    YYZ

    SMTWTFS
    Search

  15. PD653

    Porter Airlines

    07:00 am

    YYZ

    4.9h

    08:53 am

    LAS

    SMTWTFS

  16. Z0778

    Norse Atlantic Airways

    05:45 pm

    LAS

    9.8h

    10:35 am

    LGW

    -M-W--S

  17. PD507

    Porter Airlines

    09:20 am

    YOW

    3.5h

    12:50 pm

    MCO

    SMTWTFS
    Search

  18. Z0784

    Norse Atlantic Airways

    08:30 pm

    MCO

    8.5h

    10:00 am

    LGW

    S--W-F-

  19. PD2323

    Porter Airlines

    09:50 am

    YOW

    1.7h

    11:30 am

    EWR

    SMTWTFS
    Search

  20. AA106

    American Airlines

    07:30 pm

    JFK

    7.3h

    07:45 am

    LHR

    SMTWTFS

  21. PD2323

    Porter Airlines

    09:50 am

    YOW

    1.7h

    11:30 am

    EWR

    SMTWTFS
    Search

  22. Z0702

    Norse Atlantic Airways

    06:20 pm

    JFK

    7.0h

    06:20 am

    LGW

    -MT-T-S
Find more flights and airlines

When is the cheapest time to fly from Ottawa to London?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Ottawa (YOW) to London (LON) the cheapest?

    Airlines adjust prices for flights from Ottawa to London based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Ottawa (YOW) to London (LON) cost?

    According to Trip.com's data, the lowest price is around €1,011.

  • What is the transportation method from the main airport to downtown in London?

    • The distance from Heathrow Airport to downtown is about 23 km. It takes about 40 minutes by taxi.
    • The distance from London Gatwick Airport to downtown is about 39 km. It takes about 50 minutes by taxi.
    • The distance from London Luton Airport to downtown is about 44 km. It takes about 1 hour by taxi.

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.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | Ottawa to London

Cheapest nonstop flight price€191
Cheapest round-trip ticket price€625
Off-season for travelFebruary
Peak season for travelMay
Flight distance5,363.8 km
Popular airlineUnited Airlines

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