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Low Price Flights from London to Sydney

Explore the cheapest flights from London to Sydney in the next three months. Based on Trip.com's data from the latest 7 days, one-way fares start at AU$ 1,126, and round-trip tickets start at AU$ 1,103.

      • LHR 09:30
        10h 44m
        1 stop
        YQY 16:14
        London - Sydney | Sat, May 30 | Air Canada
        YQY 05:00
        26h 50m
        1 stop
        LHR 11:50
        Sydney - London | Sat, Jun 6 | Air Canada
        AU$ 1,103 AU$ 1,476
        25% off
        25% off
        AU$ 1,476 AU$ 1,103
      • LHR 09:30
        11h 9m
        1 stop
        YQY 16:39
        London - Sydney | Tue, Jun 9 | Air Canada
        YQY 05:00
        21h 35m
        1 stop
        LHR 06:35
        Sydney - London | Sat, Jun 13 | Air Canada
        AU$ 1,103 AU$ 1,476
        25% off
        25% off
        AU$ 1,476 AU$ 1,103
      • LHR 12:05
        32h 34m
        1 stop
        YQY 16:39
        London - Sydney | Sat, May 23 | Air Canada
        YQY 17:20
        14h 30m
        1 stop
        LHR 11:50
        Sydney - London | Wed, May 27 | Air Canada
        AU$ 1,202 AU$ 1,476
        19% off
        19% off
        AU$ 1,476 AU$ 1,202
      • LHR 09:30
        11h 9m
        1 stop
        YQY 16:39
        London - Sydney | Mon, May 4 | Lufthansa
        YQY 17:20
        12h 40m
        1 stop
        LHR 10:00
        Sydney - London | Mon, May 11 | Air Canada
        AU$ 1,215
        18% off
        AU$ 1,476 AU$ 1,215
      • LHR 08:30
        19h 44m
        1 stop
        YQY 00:14
        London - Sydney | Sat, May 23 | Lufthansa
        YQY 17:20
        12h 15m
        1 stop
        LHR 09:35
        Sydney - London | Wed, May 27 | Air Canada
        AU$ 1,218
        17% off
        AU$ 1,476 AU$ 1,218
      • LHR 09:30
        10h 44m
        1 stop
        YQY 16:14
        London - Sydney | Fri, May 22 | Air Canada
        YQY 05:00
        21h 35m
        1 stop
        LHR 06:35
        Sydney - London | Fri, May 29 | Air Canada
        AU$ 1,231
        17% off
        AU$ 1,476 AU$ 1,231
      • LHR 14:05
        30h 34m
        1 stop
        YQY 16:39
        London - Sydney | Wed, May 6 | Air Canada
        YQY 17:20
        12h 40m
        1 stop
        LHR 10:00
        Sydney - London | Wed, May 13 | Air Canada
        AU$ 1,244
        16% off
        AU$ 1,476 AU$ 1,244
      • LHR 09:30
        10h 44m
        1 stop
        YQY 16:14
        London - Sydney | Fri, May 29 | Air Canada
        YQY 17:20
        12h 40m
        1 stop
        LHR 10:00
        Sydney - London | Wed, Jun 3 | Air Canada
        AU$ 1,250
        15% off
        AU$ 1,476 AU$ 1,250
      • LHR 08:30
        19h 39m
        1 stop
        YQY 00:09
        London - Sydney | Thu, Jun 11 | Air Canada
        YQY 05:00
        24h 35m
        1 stop
        LHR 09:35
        Sydney - London | Fri, Jun 19 | Air Canada
        AU$ 1,250
        15% off
        AU$ 1,476 AU$ 1,250
      • LHR 14:10
        14h 4m
        1 stop
        YQY 00:14
        London - Sydney | Mon, May 4 | Air Canada
        YQY 17:20
        12h 40m
        1 stop
        LHR 10:00
        Sydney - London | Mon, May 11 | Air Canada
        AU$ 1,254
        15% off
        AU$ 1,476 AU$ 1,254
      • LON 13:00
        17h 25m
        1 stop
        YQY Invalid Date
        London - Sydney | Sat, Apr 25 | Normal Airline
        YQY 15:00
        6h
        Direct
        LON 16:00
        Sydney - London | Mon, Apr 27 | Normal Airline
        Find more flights
        Find more flights
      • LGW 12:40
        15h 34m
        1 stop
        YQY 00:14
        London - Sydney | Tue, May 12 | Air Transat
        AU$ 1,126 AU$ 2,565
        56% off
        56% off
        AU$ 2,565 AU$ 1,126
      • LGW 12:40
        27h 6m
        1 stop
        YQY 11:46
        London - Sydney | Wed, Apr 29 | Air Transat
        AU$ 1,218 AU$ 2,565
        53% off
        53% off
        AU$ 2,565 AU$ 1,218
      • LHR 14:10
        14h 4m
        1 stop
        YQY 00:14
        London - Sydney | Thu, May 7 | Lufthansa
        AU$ 1,933 AU$ 2,565
        25% off
        25% off
        AU$ 2,565 AU$ 1,933
      • LHR 14:10
        14h 4m
        1 stop
        YQY 00:14
        London - Sydney | Thu, May 14 | Lufthansa
        AU$ 2,013
        22% off
        AU$ 2,565 AU$ 2,013
      • LHR 09:30
        11h 9m
        1 stop
        YQY 16:39
        London - Sydney | Sat, Jun 6 | Lufthansa
        AU$ 2,103
        18% off
        AU$ 2,565 AU$ 2,103
      • LHR 09:30
        11h 9m
        1 stop
        YQY 16:39
        London - Sydney | Fri, May 15 | Lufthansa
        AU$ 2,108
        18% off
        AU$ 2,565 AU$ 2,108
      • LHR 14:05
        30h 34m
        1 stop
        YQY 16:39
        London - Sydney | Sun, May 3 | Lufthansa
        AU$ 2,116
        18% off
        AU$ 2,565 AU$ 2,116
      • LHR 09:30
        11h 9m
        1 stop
        YQY 16:39
        London - Sydney | Mon, May 4 | Lufthansa
        AU$ 2,121
        17% off
        AU$ 2,565 AU$ 2,121
      • LHR 12:05
        16h 9m
        1 stop
        YQY 00:14
        London - Sydney | Tue, May 12 | Lufthansa
        AU$ 2,123
        17% off
        AU$ 2,565 AU$ 2,123
      • LHR 14:05
        30h 34m
        1 stop
        YQY 16:39
        London - Sydney | Tue, May 19 | Lufthansa
        AU$ 2,180
        15% off
        AU$ 2,565 AU$ 2,180
      • LON 13:00
        17h 25m
        1 stop
        YQY Invalid Date
        London - Sydney | Sat, Apr 25 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from London to Sydney are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

London to Sydney Flight Details

The distance between London and Sydney is approximately 4,301.69km. Based on Trip.com's data travel demand peaks in January. The off-season for travel is September.

Cheapest one-way flight priceAU$ 1,126
Cheapest return ticket priceAU$ 1,103
Off-season for travelSeptember
Peak season for travelJanuary
Flight distance4,301.69km
Flight statistics for the London–Sydney route are based on aggregated booking data from Trip.com over the past 12 months.

Flight FAQs

  • Which airlines offer the cheapest flights from London (LON) to Sydney (YQY)?

    Based on Trip.com data, Air Transat offers one-way fares as low as AU$ 1,126 on Cheapest nonstop routes (e.g. LGW to YQY on Tue, May 12), while Air Canada offers Cheapest nonstop round-trips from AU$ 1,103 departing on Sat, May 30 and returning on Sat, Jun 6.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from London to Sydney is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from London to Sydney, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, May 12, with one-way flights priced at just AU$ 1,126.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Air Transat.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Sydney travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from London to Sydney is September, when demand for travel is lower.
  • After crunching the numbers on our April flight calendar, it's currently cheapest to fly from London to Sydney on April 27, 2026 with Lufthansa, with prices starting at AU$ 1,325.
  • The time difference between Sydney and London is 4h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

More Cheap Flights & Deals on Trip.com

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, regulatory fees, etc) with all fees confirmed before payment. Fees for baggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.