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Cheap flights from Sydney to Reykjavik Keflavik Intl Airport from $1,014

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — KEF
24 Aug — 31 Aug1
1 adult

Cheap flight deals from Sydney to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Keflavik Intl (KEF). 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 19 August 2025.

Round-trip from

$1,926

One-way from

$1,014

Popular in

December

Cheapest in

March

Average price

$2,312
20/10-24/10
  • 20/10-24/10
  • 4 total stops
  • 94h 25m total
  • Sydney to Reykjavik
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3/10
  • 3/10
  • 2 total stops
  • 59h 30m total
  • Sydney to Reykjavik
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($385 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($100 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from Sydney to Keflavik Intl

Cheapest flights from Sydney to Keflavik Intl
Explore the most affordable flight options available from Sydney to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2025.

Mon 20/1013:50SYD - KEF
2 stops44h 30mMultiple Airlines
Fri 24/1000:10KEF - SYD
2 stops49h 55mMultiple Airlines
Deal found 18/8$1,926
Sat 13/909:30SYD - KEF
2 stops57h 00mUnited Airlines
Sun 21/912:00KEF - SYD
2 stops57h 00mUnited Airlines
Deal found 18/8$1,937
Wed 15/1014:05SYD - KEF
2 stops30h 35mMultiple Airlines
Tue 28/1011:50KEF - SYD
2 stops32h 05mMultiple Airlines
Deal found 19/8$2,150
Tue 16/910:20SYD - KEF
2 stops32h 10mUnited Airlines
Tue 23/912:00KEF - SYD
2 stops57h 00mUnited Airlines
Deal found 17/8$2,155
Tue 16/920:55SYD - KEF
3 stops36h 40mMultiple Airlines
Tue 23/910:25KEF - SYD
3 stops46h 35mMultiple Airlines
Deal found 17/8$2,307
Tue 16/914:05SYD - KEF
2 stops43h 30mLufthansa
Mon 22/900:25KEF - SYD
2 stops43h 45mLufthansa
Deal found 17/8$2,472
Mon 6/1015:50SYD - KEF
2 stops33h 55mMultiple Airlines
Mon 13/1007:35KEF - SYD
2 stops26h 55mMultiple Airlines
Deal found 18/8$2,473
Wed 1/1009:30SYD - KEF
2 stops33h 55mMultiple Airlines
Wed 8/1019:45KEF - SYD
2 stops49h 15mMultiple Airlines
Deal found 17/8$2,516
Fri 3/1015:40SYD - KEF
2 stops31h 35mMultiple Airlines
Fri 10/1006:00KEF - SYD
3 stops41h 45mMultiple Airlines
Deal found 19/8$2,539

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to Keflavik Intl 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 19 August 2025.
Use the filters below to find and compare flights from Sydney to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Sydney

Fly to

Keflavik Intl

Route

Depart

Return

Price

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Mon 20/10

13:50-23:20

2 stops44h 30m

Reykjavik Keflavik Intl

Fri 24/10

00:10-13:05

2 stops49h 55m

$1,926

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Sat 13/9

09:30-08:30

2 stops57h 00m

Reykjavik Keflavik Intl

Sun 21/9

12:00-07:00

2 stops57h 00m

$1,937

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Wed 15/10

14:05-09:40

2 stops30h 35m

Reykjavik Keflavik Intl

Tue 28/10

11:50-06:55

2 stops32h 05m

$2,150

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Tue 16/9

10:20-08:30

2 stops32h 10m

Reykjavik Keflavik Intl

Tue 23/9

12:00-07:00

2 stops57h 00m

$2,155

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Tue 16/9

20:55-23:35

3 stops36h 40m

Reykjavik Keflavik Intl

Tue 23/9

10:25-19:00

3 stops46h 35m

$2,307

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Tue 16/9

14:05-23:35

2 stops43h 30m

Reykjavik Keflavik Intl

Mon 22/9

00:25-06:10

2 stops43h 45m

$2,472

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Mon 6/10

15:50-14:45

2 stops33h 55m

Reykjavik Keflavik Intl

Mon 13/10

07:35-21:30

2 stops26h 55m

$2,473

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Wed 1/10

09:30-09:25

2 stops33h 55m

Reykjavik Keflavik Intl

Wed 8/10

19:45-08:00

2 stops49h 15m

$2,516

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Fri 3/10

15:40-13:15

2 stops31h 35m

Reykjavik Keflavik Intl

Fri 10/10

06:00-10:45

3 stops41h 45m

$2,539

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Fri 3/10

21:30-23:00

2 stops59h 30m

$1,014

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Showing 1-10 of 18 results
1
2

Best time to book a flight from Sydney to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Sydney 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.

Cheapflights Insights

Everything you need to know about your flight from Sydney to Reykjavik Keflavik Intl Airport

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

Find hourly flight availability from Sydney to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 August 2025.

When flying from Sydney to Reykjavik Keflavik Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 8% versus a flight in the evening.

How much does it cost for a return flight from Sydney to Reykjavik Keflavik Intl Airport?

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated 19 August 2025.
Check out reviews from past customers who have flown with Singapore Airlines, Finnair, andAir Canada from Sydney to Reykjavik Keflavik Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,347 reviews
Check prices

Boarding

8.2

Food

7.7

Comfort

8.0

Entertainment

8.0

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Singapore Airlines
8.1
Very Good
1,347 reviews
Singapore Airlines
8.1
Very Good
1,347 reviews
Check prices

Boarding

8.2

Food

7.7

Comfort

8.0

Entertainment

8.0

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Finnair
7.6
Good
1,320 reviews
Singapore Airlines
8.1
Very Good
1,347 reviews
Check prices

Boarding

8.2

Food

7.7

Comfort

8.0

Entertainment

8.0

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Air Canada
7.1
Good
9,997 reviews
Singapore Airlines
8.1
Very Good
1,347 reviews
Check prices

Boarding

8.2

Food

7.7

Comfort

8.0

Entertainment

8.0

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
British Airways
6.7
Okay
7,283 reviews
Singapore Airlines
8.1
Very Good
1,347 reviews
Check prices

Boarding

8.2

Food

7.7

Comfort

8.0

Entertainment

8.0

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Related info for your journey

Find useful and relevant information for your journey from Sydney to Keflavik Intl. 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 from for flights from Sydney to Reykjavik Keflavik Intl?

    If you book a flight to Reykjavik Keflavik Intl from Sydney, you will be flying from 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 Kingsford Smith to Reykjavik Keflavik Intl per day from 4 different airlines.

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

    There are many flights that can get you from Sydney to Reykjavik Keflavik Intl Airport in 57h. Fly via United Airlines to get the fastest option. Sydney and Reykjavik Keflavik Intl Airport are separated by a distance of 16636 km.

  • What are the cheapest airlines flying from Sydney to Reykjavik Keflavik Intl Airport round-trip?

    Currently priced at $1,934, Finnair will fly you from Sydney to Reykjavik Keflavik Intl Airport and back. In addition to Finnair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Singapore Airlines - these airlines can fly you to your destination from $2,073 and $2,170, respectively. Finnair is currently priced 21% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sydney to Keflavik Intl 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

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Sydney to Keflavik Intl

Discover the top 4 airlines that operate flights from Sydney to Keflavik Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 19 August 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$1,934Average$2,429FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest$2,073Average$2,314FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Singapore AirlinesCheapest$2,170Average$2,519FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Air CanadaCheapest$2,537Average$2,824FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Sydney to Keflavik Intl 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 Sydney to Keflavik Intl?

Cheapflights simply makes it quick and affordable to book flights from Sydney to Keflavik Intl 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 Sydney to Keflavik Intl with no change fees?

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

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

Of course! You can now track prices for flights from Sydney to Keflavik Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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