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Cheap flights from Reykjavik Keflavik Intl Airport to Sydney from $2,401

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — SYD
22 Aug — 29 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Keflavik Intl to Sydney

Enter your travel dates to find the best prices.

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 23 July 2026.

Sat 5/911:00
KEF
-
SYD
2 stops34h 00m
United Airlines
Sat 12/909:30
SYD
-
KEF
2 stops33h 20m
United Airlines
Deal found 22/7$2,401
Thu 3/911:30
KEF
-
SYD
2 stops33h 30m
United Airlines
Mon 7/909:30
SYD
-
KEF
2 stops31h 30m
United Airlines
Deal found 22/7$2,404
Thu 3/917:05
KEF
-
SYD
3 stops57h 30m
Multiple Airlines
Mon 7/920:30
SYD
-
KEF
3 stops54h 15m
Multiple Airlines
Deal found 22/7$2,471
Wed 2/901:10
KEF
-
SYD
2 stops42h 55m
Emirates
Thu 10/906:00
SYD
-
KEF
2 stops51h 35m
Emirates
Deal found 20/7$2,655
Thu 3/909:15
KEF
-
SYD
3 stops36h 05m
Air Canada
Mon 7/909:20
SYD
-
KEF
2 stops33h 25m
Air Canada
Deal found 22/7$2,778
Sat 5/909:15
KEF
-
SYD
2 stops36h 05m
Air Canada
Sat 12/909:20
SYD
-
KEF
3 stops32h 35m
Air Canada
Deal found 22/7$3,020
Sat 5/910:20
KEF
-
SYD
1 stop34h 15m
Multiple Airlines
Sat 12/920:50
SYD
-
KEF
2 stops45h 00m
Multiple Airlines
Deal found 22/7$3,414
Mon 3/800:50
KEF
-
SYD
2 stops35h 15m
Emirates
Fri 7/806:00
SYD
-
KEF
2 stops46h 10m
Emirates
Deal found 21/7$4,731

Find 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 23 July 2026.

Round-trip from

$2,401
United Airlines
  • United Airlines
  • 5/9-12/9
  • 4 total stops
  • 67h 20m total
  • Reykjavik to Sydney
Search Deals

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 23 July 2026.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ReykjavikSydney

KEF - SYD

KEFSYD

Reykjavik Keflavik Intl

Sat 5/9

11:00-07:00

2 stops34h 00m

Sydney Kingsford Smith

Sat 12/9

09:30-08:50

2 stops33h 20m

$2,401
Fastest return journey

ReykjavikSydney

KEF - SYD

KEFSYD

Reykjavik Keflavik Intl

Thu 3/9

11:30-07:00

2 stops33h 30m

Sydney Kingsford Smith

Mon 7/9

09:30-07:00

2 stops31h 30m

$2,404

ReykjavikSydney

KEF - SYD

KEFSYD

Reykjavik Keflavik Intl

Wed 2/9

01:10-06:05

2 stops42h 55m

Sydney Kingsford Smith

Thu 10/9

06:00-23:35

2 stops51h 35m

$2,655

ReykjavikSydney

KEF - SYD

KEFSYD

Reykjavik Keflavik Intl

Thu 3/9

09:15-07:20

3 stops36h 05m

Sydney Kingsford Smith

Mon 7/9

09:20-08:45

2 stops33h 25m

$2,778

ReykjavikSydney

KEF - SYD

KEFSYD

Reykjavik Keflavik Intl

Sat 5/9

09:15-07:20

2 stops36h 05m

Sydney Kingsford Smith

Sat 12/9

09:20-07:55

3 stops32h 35m

$3,020

ReykjavikSydney

KEF - SYD

KEFSYD

Reykjavik Keflavik Intl

Thu 3/9

10:20-06:35

1 stop34h 15m

Sydney Kingsford Smith

Mon 7/9

20:30-08:20

2 stops45h 50m

$3,113

ReykjavikSydney

KEF - SYD

KEFSYD

Reykjavik Keflavik Intl

Mon 3/8

00:50-22:05

2 stops35h 15m

Sydney Kingsford Smith

Fri 7/8

06:00-18:10

2 stops46h 10m

$4,731

Flights are sorted by cheapest return flights first.

Deals found on 22/7

Sorted by cheapest first

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?

    United Airlines, Emirates, and Air Canada can get you from Reykjavik Keflavik Intl Airport to Sydney in just under 34h. Your travel time can differ by up to 8h 55m. The distance from Reykjavik Keflavik Intl Airport to Sydney is about 16636 km. This flight may include one or multiple stops.

  • 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.

See more FAQs

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Penrith
Katoomba
Manly
Lithgow
Cronulla
Terrigal
Randwick
Leura
Bondi Beach
Coogee

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How does Cheapflights help users find flights from Keflavik Intl to Sydney?

Cheapflights helps you search for flights from Keflavik Intl to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Keflavik Intl to Sydney?

Cheapflights simply makes it quick and affordable to book flights from Keflavik Intl to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Keflavik Intl to Sydney, users can toggle the no change fees filter when performing a flight search.

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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