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

United Airlines and Air Canada can get you from Reykjavik Keflavik Intl Airport to Sydney in just under 35h 20m. Your travel time can differ by up to 21h 35m. The distance from Reykjavik Keflavik Intl Airport to Sydney is about 16636 km. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

What is the cheapest time of day to fly from KEF to SYD?

When flying from Reykjavik Keflavik Intl Airport to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

$850+ Cheap Flights from Reykjavik Keflavik Intl Airport to Sydney

Cheap flight deals from Keflavik Intl to Sydney

Enter your travel dates to find the best prices.

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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 10 September 2026.

Thu 22/1012:00 -

2 stops56h 55m

Thu 29/1011:50 -

2 stops57h 10m

Deal found 7/9$2,349

Thu 8/1010:00 -

2 stops35h 20m

Thu 15/1010:20 -

2 stops57h 25m

Deal found 7/9$2,564

Tue 6/1023:50 -

3 stops33h 15m

Tue 13/1014:00 -

3 stops38h 45m

Deal found 8/9$2,687

Thu 8/1023:50 -

3 stops33h 15m

Thu 15/1014:00 -

3 stops36h 30m

Deal found 7/9$2,697

Tue 6/1010:00 -

2 stops35h 20m

Tue 13/1010:20 -

2 stops32h 35m

Deal found 8/9$2,882

Thu 22/1019:50 -

1 stop50h 30m

Thu 29/1015:15 -

2 stops37h 35m

Deal found 7/9$3,234

Thu 8/1007:30 -

2 stops39h 35m

Mon 2/1111:40 -

2 stops32h 35m

Deal found 6/9$9,935

Sun 11/1007:30 -

2 stops36h 05m

Thu 5/1121:30 -

2 stops36h 20m

Deal found 6/9$10,077

Tue 13/1010:30 -

3 stops46h 40m

Sun 8/1121:35 -

3 stops54h 40m

Deal found 6/9$10,128

Find flight deals from Keflavik Intl to Sydney

Round-trip from	$2,349
One-way from	$850

United Airlines
22/10-29/10
4 total stops
114h 05m total
Reykjavik to Sydney

Search Deals

25/11-31/12
3 total stops
32h 25m total
Reykjavik to Sydney

Search Deals

Cheapflights Fare Finder

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

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Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

ReykjavikSydney

KEF Reykjavik Keflavik Intl - SYD Sydney Kingsford Smith

KEFSYD

Reykjavik Keflavik Intl

Wed 25/11

00:55-20:20

3 stops32h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-14:00

Nonstop0h 00m

$850

ReykjavikSydney

KEF Reykjavik Keflavik Intl - SYD Sydney Kingsford Smith

KEFSYD

Reykjavik Keflavik Intl

Sun 20/9

19:00-11:45

3 stops54h 45m

Sydney Kingsford Smith

Wed 31/12

00:00-14:00

Nonstop0h 00m

$1,031

ReykjavikSydney

KEF Reykjavik Keflavik Intl - SYD Sydney Kingsford Smith

KEFSYD

Reykjavik Keflavik Intl

Wed 24/2

18:05-17:45

2 stops36h 40m

Sydney Kingsford Smith

Wed 31/12

00:00-14:00

Nonstop0h 00m

$1,059

ReykjavikSydney

KEF Reykjavik Keflavik Intl - SYD Sydney Kingsford Smith

KEFSYD

Reykjavik Keflavik Intl

Sat 30/1

07:40-06:30

2 stops59h 50m

Sydney Kingsford Smith

Wed 31/12

00:00-14:00

Nonstop0h 00m

$1,062

ReykjavikSydney

KEF Reykjavik Keflavik Intl - SYD Sydney Kingsford Smith

KEFSYD

Reykjavik Keflavik Intl

Thu 22/10

12:00-07:55

2 stops56h 55m

Sydney Kingsford Smith

Thu 29/10

11:50-10:00

2 stops57h 10m

$2,349

ReykjavikSydney

KEF Reykjavik Keflavik Intl - SYD Sydney Kingsford Smith

KEFSYD

Reykjavik Keflavik Intl

Tue 6/10

23:50-20:05

3 stops33h 15m

Sydney Kingsford Smith

Tue 13/10

14:00-17:45

3 stops38h 45m

$2,687

ReykjavikSydney

KEF Reykjavik Keflavik Intl - SYD Sydney Kingsford Smith

KEFSYD

Reykjavik Keflavik Intl

Thu 8/10

10:00-08:20

2 stops35h 20m

Sydney Kingsford Smith

Thu 15/10

10:20-07:55

3 stops32h 35m

$2,690

ReykjavikSydney

KEF Reykjavik Keflavik Intl - SYD Sydney Kingsford Smith

KEFSYD

Reykjavik Keflavik Intl

Thu 8/10

23:50-20:05

3 stops33h 15m

Sydney Kingsford Smith

Thu 15/10

14:00-15:30

3 stops36h 30m

$2,697

ReykjavikSydney

KEF Reykjavik Keflavik Intl - SYD Sydney Kingsford Smith

KEFSYD

Reykjavik Keflavik Intl

Tue 6/10

10:00-08:20

2 stops35h 20m

Sydney Kingsford Smith

Tue 13/10

10:20-07:55

2 stops32h 35m

$2,882

ReykjavikSydney

KEF Reykjavik Keflavik Intl - SYD Sydney Kingsford Smith

KEFSYD

Reykjavik Keflavik Intl

Thu 8/10

07:30-10:05

2 stops39h 35m

Sydney Kingsford Smith

Mon 2/11

11:40-09:15

2 stops32h 35m

$9,935

Flights are sorted by cheapest return flights first.

Deals found on 9/9

Showing 1-10 of 14 resultsSorted 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.

KEF-SYD

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

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 and Air Canada can get you from Reykjavik Keflavik Intl Airport to Sydney in just under 35h 20m. Your travel time can differ by up to 21h 35m. 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.

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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?

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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?

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Cheap flights from Reykjavik Keflavik Intl Airport to Sydney from $850

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Keflavik Intl to Sydney

Cheapest flights from Keflavik Intl to SydneyExplore 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 10 September 2026.

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 10 September 2026.

Best flights from Keflavik Intl to SydneyDiscover carefully curated flight deals from Keflavik Intl to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Discover carefully curated flight deals from Keflavik Intl to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Last-minute flights from Keflavik Intl to SydneyDiscover last-minute flight deals from Keflavik Intl to Sydney. Data last updated 10 September 2026 and is based on user searches.

Discover last-minute flight deals from Keflavik Intl to Sydney. Data last updated 10 September 2026 and is based on user searches.

One-way flights from Keflavik Intl to SydneySearch for one-way flight options from Keflavik Intl to Sydney. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Search for one-way flight options from Keflavik Intl to Sydney. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

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

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.

Related info for your journey

What airport do you fly into for flights to Sydney from Reykjavik Keflavik Intl?

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

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

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

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

Travelling to a place near Sydney?

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Search flights from Keflavik Intl to Sydney by cabin class

Find flights from Keflavik Intl to Sydney, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Keflavik Intl and Sydney flights

Browse other Keflavik Intl and Sydney flight options. Last updated on 10 September 2026.

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

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

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

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

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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 10 September 2026.

Best flights from Keflavik Intl to Sydney
Discover carefully curated flight deals from Keflavik Intl to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Last-minute flights from Keflavik Intl to Sydney
Discover last-minute flight deals from Keflavik Intl to Sydney. Data last updated 10 September 2026 and is based on user searches.

One-way flights from Keflavik Intl to Sydney
Search for one-way flight options from Keflavik Intl to Sydney. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.