Cheap flights from Reykjavik Keflavik Intl Airport to Sydney from $956

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/2. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — SYD
3 Sep — 10 Sep1
1 adult

Cheap flight deals from Keflavik Intl to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 August 2025.

Round-trip from

$2,189

One-way from

$956
British Airways
  • British Airways
  • 15/9-21/9
  • 4 total stops
  • 61h 40m total
  • Reykjavik to Sydney
14/2
  • 14/2
  • 3 total stops
  • 59h 35m total
  • Reykjavik to Sydney

Find flight deals from Keflavik Intl to Sydney

Cheapest flights from Keflavik Intl to Sydney
Explore the most affordable flight options available from Keflavik Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Mon 15/910:45KEF - SYD
2 stops32h 35mBritish Airways
Sun 21/914:40SYD - KEF
2 stops29h 05mBritish Airways
Deal found 27/8$2,189
Fri 10/1006:00KEF - SYD
3 stops41h 45mMultiple Airlines
Fri 17/1021:55SYD - KEF
3 stops32h 50mMultiple Airlines
Deal found 26/8$2,529
Mon 15/911:05KEF - SYD
3 stops35h 55mMultiple Airlines
Sun 21/910:00SYD - KEF
2 stops34h 15mMultiple Airlines
Deal found 27/8$3,177
Sun 14/900:25KEF - SYD
2 stops43h 45mLufthansa
Sun 21/919:30SYD - KEF
2 stops38h 05mLufthansa
Deal found 27/8$5,398

Cheapflights Fare Finder

 
Customise your flight search to find flights from Keflavik Intl to Sydney 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, Cheapflights users made 647,157 searches. Data last updated 29 August 2025.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Sydney that are best for you.

Fly from

Keflavik Intl

Fly to

Sydney

Route

Depart

Return

Price

ReykjavikSydney

KEF - SYD

KEFSYD

Reykjavik Keflavik Intl

Mon 15/9

10:45-05:20

2 stops32h 35m

Sydney Kingsford Smith

Sun 21/9

14:40-09:45

2 stops29h 05m

$2,189

ReykjavikSydney

KEF - SYD

KEFSYD

Reykjavik Keflavik Intl

Fri 10/10

06:00-10:45

3 stops41h 45m

Sydney Kingsford Smith

Fri 17/10

21:55-19:45

3 stops32h 50m

$2,529

ReykjavikSydney

KEF - SYD

KEFSYD

Reykjavik Keflavik Intl

Mon 15/9

11:05-09:00

3 stops35h 55m

Sydney Kingsford Smith

Sun 21/9

10:00-10:15

2 stops34h 15m

$3,177

ReykjavikSydney

KEF - SYD

KEFSYD

Reykjavik Keflavik Intl

Sun 14/9

00:25-06:10

2 stops43h 45m

Sydney Kingsford Smith

Sun 21/9

19:30-23:35

2 stops38h 05m

$5,398

ReykjavikSydney

KEF - SYD

KEFSYD

Reykjavik Keflavik Intl

Sat 14/2

20:15-18:50

3 stops59h 35m

$956

ReykjavikSydney

KEF - SYD

KEFSYD

Reykjavik Keflavik Intl

Thu 15/1

12:30-07:40

3 stops56h 10m

$1,401

ReykjavikSydney

KEF - SYD

KEFSYD

Reykjavik Keflavik Intl

Thu 25/9

10:25-18:00

2 stops45h 35m

$1,410

ReykjavikSydney

KEF - SYD

KEFSYD

Reykjavik Keflavik Intl

Fri 26/9

10:45-18:00

3 stops45h 15m

$1,416

ReykjavikSydney

KEF - SYD

KEFSYD

Reykjavik Keflavik Intl

Wed 24/9

00:25-09:05

2 stops46h 40m

$1,968

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Best time to book a flight from Keflavik Intl to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Keflavik Intl with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Keflavik Intl to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Sydney from Reykjavik Keflavik Intl?

    If you book a flight to Sydney from Reykjavik Keflavik Intl, you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 7.5 km from the centre of Sydney. There are 0 flights from Reykjavik Keflavik Intl to Kingsford Smith per day from 0 different airlines.

  • How long is the flight from Reykjavik Keflavik Intl Airport to Sydney?

    British Airways can get you from Reykjavik Keflavik Intl Airport to Sydney in just under 32h 35m. Your travel time can differ by up to . The distance from Reykjavik Keflavik Intl Airport to Sydney is about 16636 km.

  • Can I find deals for flights from Keflavik Intl to Sydney that include hotel bookings?

    Yes. In addition to deals on Keflavik Intl to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Keflavik Intl to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Keflavik Intl to Sydney.

  • Can I find deals for business class flights from Keflavik Intl to Sydney?

    Yes. Cheapflights offers flight deals from Keflavik Intl to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Reykjavik Keflavik Intl Airport to Sydney?

    Currently, May is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Sydney (average of $129). Flying from Reykjavik Keflavik Intl Airport to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Can Cheapflights find flights from Keflavik Intl to Sydney with no change fees?

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Can Cheapflights notify me if prices for flights from Keflavik Intl to Sydney become cheaper?

Yes, Cheapflights offers price alerts on Keflavik Intl to Sydney flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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