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Latest Flight Deals from Ontario to London

Book one-way or return flights from Ontario to London from as little as NZD 524. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip
      • ONT23:40
        22h 40m
        1 stop
        LGW06:20
        Sun, May 5|Ontario - London|Jetblue Airways
        NZD 524NZD 1,010
        48% OFF
        48% OFF
        NZD 1,010NZD 524
      • ONT23:40
        22h 40m
        1 stop
        LGW06:20
        Mon, May 6|Ontario - London|Jetblue Airways
        NZD 556NZD 1,010
        45% OFF
        45% OFF
        NZD 1,010NZD 556
      • ONT23:40
        22h 40m
        1 stop
        LGW06:20
        Sat, May 4|Ontario - London|Jetblue Airways
        NZD 584NZD 1,010
        42% OFF
        42% OFF
        NZD 1,010NZD 584
      • ONT23:40
        22h 40m
        1 stop
        LGW06:20
        Wed, May 1|Ontario - London|Jetblue Airways
        NZD 606
        NZD 606
      • ONT23:40
        29h 50m
        1 stop
        LGW13:30
        Sat, May 25|Ontario - London|Jetblue Airways
        NZD 682
        NZD 682
      • ONT12:50
        15h 25m
        1 stop
        LHR12:15
        Mon, May 6|Ontario - London|American Airlines
        NZD 690
        NZD 690
      • ONT23:40
        22h 40m
        1 stop
        LGW06:20
        Thu, May 2|Ontario - London|Jetblue Airways
        NZD 690
        NZD 690
      • ONT14:11
        14h 4m
        1 stop
        LHR12:15
        Wed, May 15|Ontario - London|Frontier Airlines
        NZD 700
        NZD 700
      • ONT23:40
        22h 40m
        1 stop
        LGW06:20
        Mon, May 13|Ontario - London|Jetblue Airways
        NZD 702
        NZD 702
      • ONT07:43
        14h 42m
        1 stop
        LHR06:25
        Tue, Apr 30|Ontario - London|American Airlines
        NZD 703
        NZD 703
      • ONT13:00
        3h 5m
        Direct
        LON14:00
        Sun, May 5|Ontario - London|Jetblue Airways
        Find More Flights
        Find More Flights

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

Searching for the best last minute flight from Ontario to London? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Ontario to London. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from Ontario to London

View airlines operating flights from Ontario to London. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From NZD 376
Alaska Airlines
From NZD 498
Jetblue Airways
From NZD 524
Southwest Airlines
From NZD 568
United Airlines
From NZD 614
Delta Air Lines
From NZD 630
American Airlines
From NZD 690
Iberia
From NZD 708
Virgin Atlantic
From NZD 723
KLM
From NZD 764
ANA airlines

Find more flights and airlines

Alternative Routes from Ontario to London

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Ontario to London.

  • Cheapest
    Frontier Airlines
    ONT
    00:59
    25h 1m
    2 transfer
    LGW
    10:00
    Ontario International Airport - London Gatwick Airport
    Tue, May 7Frontier Airlines
    NZD 376
  • Frontier Airlines
    ONT
    00:49
    27h 16m
    2 transfer
    LHR
    12:05
    Ontario International Airport - London Heathrow Airport
    Tue, May 21Frontier Airlines
    NZD 389
  • Frontier Airlines
    ONT
    07:58
    24h 12m
    2 transfer
    LCY
    16:10
    Ontario International Airport - London City Airport
    Thu, May 9Frontier Airlines
    NZD 839
  • Frontier Airlines
    ONT
    07:58
    24h 12m
    2 transfer
    LCY
    16:10
    Ontario International Airport - London City Airport
    Thu, May 9Frontier Airlines
    NZD 839
    Find More Flights

How do I find the cheapest flights?

  • When are flight tickets from Ontario (ONT) to London (LON) the cheapest?

    Airlines adjust prices for flights from Ontario 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 Ontario (ONT) to London (LON) cost?

    According to Trip.com's data, the lowest price is around NZD 1,503.

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

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

How to find a cheap flight from Ontario 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 Ontario 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 Information from Ontario to London

Cheapest nonstop flight price

NZD 524

Cheapest round-trip ticket price

NZD 751

Off-season for travel

September

Peak season for travel

September

Flight distance

5,726.56km

Popular airline

Delta Air Lines

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