$800 Cheap Flights from Sydney (SYD) to Reykjavik (KEF)

View $800 flight on Mon, Feb 23, 2026Opens in a new window

Popular airlines from Sydney Airport (SYD) to Reykjavik–Keflavik Intl. Airport (KEF)

Cheap Flights from Sydney to Reykjavik (SYD-KEF)

Prices were available within the past 7 days and start at $800 for one-way flights and $1,287 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qantas Airways
Fri, Nov 7 - Fri, Nov 14
SYD
Sydney
KEF
Reykjavik
$1,287 Roundtrip, found 4 days ago
$1,287
Roundtrip
found 4 days ago
Select Qantas Airways flight, departing Fri, Nov 7 from Sydney to Reykjavik, returning Fri, Nov 14, priced at $1,287 found 4 days ago
Qantas Airways
Fri, Nov 7 - Fri, Nov 14
SYD
Sydney
KEF
Reykjavik
$1,368 Roundtrip, found 4 days ago
$1,368
Roundtrip
found 4 days ago
Select Qantas Airways flight, departing Fri, Nov 7 from Sydney to Reykjavik, returning Fri, Nov 14, priced at $1,368 found 4 days ago
British Airways
Sat, Nov 22 - Wed, Nov 26
SYD
Sydney
KEF
Reykjavik
$1,414 Roundtrip, found 3 days ago
$1,414
Roundtrip
found 3 days ago
Select British Airways flight, departing Sat, Nov 22 from Sydney to Reykjavik, returning Wed, Nov 26, priced at $1,414 found 3 days ago
British Airways
Fri, Nov 7 - Fri, Nov 14
SYD
Sydney
KEF
Reykjavik
$1,444 Roundtrip, found 4 days ago
$1,444
Roundtrip
found 4 days ago
Select British Airways flight, departing Fri, Nov 7 from Sydney to Reykjavik, returning Fri, Nov 14, priced at $1,444 found 4 days ago
British Airways
Fri, Nov 7 - Fri, Nov 14
SYD
Sydney
KEF
Reykjavik
$1,446 Roundtrip, found 4 days ago
$1,446
Roundtrip
found 4 days ago
Select British Airways flight, departing Fri, Nov 7 from Sydney to Reykjavik, returning Fri, Nov 14, priced at $1,446 found 4 days ago
Qantas Airways
Fri, Nov 7 - Fri, Nov 14
SYD
Sydney
KEF
Reykjavik
$1,466 Roundtrip, found 4 days ago
$1,466
Roundtrip
found 4 days ago
Select Qantas Airways flight, departing Fri, Nov 7 from Sydney to Reykjavik, returning Fri, Nov 14, priced at $1,466 found 4 days ago
Qantas Airways
Fri, Nov 7 - Fri, Nov 14
SYD
Sydney
KEF
Reykjavik
$1,482 Roundtrip, found 4 days ago
$1,482
Roundtrip
found 4 days ago
Select Qantas Airways flight, departing Fri, Nov 7 from Sydney to Reykjavik, returning Fri, Nov 14, priced at $1,482 found 4 days ago
Malaysia Airlines
Fri, Nov 7 - Fri, Nov 14
SYD
Sydney
KEF
Reykjavik
$1,557 Roundtrip, found 4 days ago
$1,557
Roundtrip
found 4 days ago
Select Malaysia Airlines flight, departing Fri, Nov 7 from Sydney to Reykjavik, returning Fri, Nov 14, priced at $1,557 found 4 days ago
Scandinavian Airlines
Mon, Jun 8 - Tue, Jul 7
SYD
Sydney
KEF
Reykjavik
$1,652 Roundtrip, found 5 days ago
$1,652
Roundtrip
found 5 days ago
Select Scandinavian Airlines flight, departing Mon, Jun 8 from Sydney to Reykjavik, returning Tue, Jul 7, priced at $1,652 found 5 days ago
Emirates
Sat, Nov 22 - Wed, Nov 26
SYD
Sydney
KEF
Reykjavik
$1,725 Roundtrip, found 3 days ago
$1,725
Roundtrip
found 3 days ago
Select Emirates flight, departing Sat, Nov 22 from Sydney to Reykjavik, returning Wed, Nov 26, priced at $1,725 found 3 days ago

Frequently asked questions

How much does a flight from Kingsford Smith Intl. Airport (SYD) to Keflavik Intl. Airport (KEF) cost?
Get a cheap one-way flight from $800 or cheap return flight from $1,287 from Kingsford Smith Intl. Airport (SYD) to Keflavik Intl. Airport (KEF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Kingsford Smith Intl. Airport (SYD) to Keflavik Intl. Airport (KEF)?
The cheapest month to fly from SYD to KEF is November, when demand is low. Off-peak season is usually when better flight deals are available between these airports.
What is the cheapest airline that flies from Kingsford Smith Intl. Airport (SYD) to Keflavik Intl. Airport (KEF)?
To find the cheapest airline flying from SYD to KEF, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Kingsford Smith Intl. Airport (SYD) to Keflavik Intl. Airport (KEF)?
Nonstop flights from Kingsford Smith Intl. Airport (SYD) to Keflavik Intl. Airport (KEF) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SYD to KEF?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kingsford Smith Intl. Airport (SYD) to Keflavik Intl. Airport (KEF)?
Select a flight from Kingsford Smith Intl. Airport (SYD) to Keflavik Intl. Airport (KEF) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Kingsford Smith Intl. Airport (SYD) to Keflavik Intl. Airport (KEF) last-minute?
Waiting until just before your departure to book your flight from SYD to KEF generally means paying more. Although you may find some last-minute discounts, they're not always guaranteed. Be flexible with your itinerary for the best chance of landing a bargain.
Is it cheaper to book a SYD to KEF flight and hotel package?
Booking a SYD to KEF flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our impressive range of stays and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Kingsford Smith Intl. Airport (SYD) to Keflavik Intl. Airport (KEF)?
In most instances, you're able to reschedule or cancel your SYD to KEF flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more details, go to our Customer Service portal.

Travel information

Origin airport
Kingsford Smith Intl.
Destination airport
Keflavik Intl.
Roundtrip price
$1,286
Distance
10342 mi

Book with confidence

Sydney to Reykjavik Flights

The cheapest times to fly from Sydney to Reykjavik

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sydney to Reykjavik are during the month of November. You can find some of the cheapest flights from Sydney to Reykjavik with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sydney to Reykjavik

Sunday is one of the best days to book for cheap flights from Sydney to Reykjavik: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sydney to Reykjavik

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sydney to Reykjavik in 2025. You can also book with separate airlines for your outbound and return journeys, from $800 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sydney to Reykjavik flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sydney to Reykjavik airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Sydney to Reykjavik Flights

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*Available to One Key members.