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Cheap flights from Sydney to Reykjavik Keflavik Intl Airport from $520

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 27/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — KEF
26 Jan — 2 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Keflavik Intl

Enter your travel dates to find the best prices.

Best flights from Sydney to Keflavik Intl
Discover carefully curated flight deals from Sydney to Keflavik Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 December 2025.

Mon 16/321:15SYD - KEF
3 stops31h 45mMultiple Airlines
Wed 18/320:05KEF - SYD
3 stops60h 15mMultiple Airlines
Deal found 26/12$1,800
Wed 13/510:20SYD - KEF
2 stops56h 10mUnited Airlines
Sat 16/512:00KEF - SYD
2 stops33h 00mUnited Airlines
Deal found 24/12$1,909
Sun 1/211:15SYD - KEF
2 stops34h 40mBritish Airways
Sun 15/211:50KEF - SYD
2 stops32h 05mBritish Airways
Deal found 27/12$2,042
Mon 9/210:30SYD - KEF
2 stops36h 00mMultiple Airlines
Mon 16/212:00KEF - SYD
2 stops31h 30mMultiple Airlines
Deal found 25/12$1,995
Fri 6/311:15SYD - KEF
2 stops34h 40mBritish Airways
Mon 9/311:50KEF - SYD
2 stops32h 05mBritish Airways
Deal found 25/12$2,091
Mon 2/211:15SYD - KEF
2 stops34h 40mMultiple Airlines
Tue 31/310:50KEF - SYD
2 stops33h 35mMultiple Airlines
Deal found 26/12$2,053
Mon 2/215:15SYD - KEF
2 stops30h 40mBritish Airways
Tue 31/310:50KEF - SYD
2 stops33h 15mBritish Airways
Deal found 25/12$2,094
Sun 3/507:40SYD - KEF
2 stops36h 05mMultiple Airlines
Mon 11/510:45KEF - SYD
2 stops33h 40mMultiple Airlines
Deal found 27/12$2,080

Find 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 27 December 2025.

Round-trip from

$1,800

One-way from

$520

Popular in

December

Cheapest in

May

Average price

$3,707
16/3-18/3
  • 16/3-18/3
  • 6 total stops
  • 92h 00m total
  • Sydney to Reykjavik
Search Deals
27/1
  • 27/1
  • 2 total stops
  • 41h 45m total
  • Sydney to Reykjavik
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($620 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($175 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 27 December 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 16/3

21:15-18:00

3 stops31h 45m

Reykjavik Keflavik Intl

Wed 18/3

20:05-19:20

3 stops60h 15m

$1,800

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Wed 13/5

10:20-08:30

2 stops56h 10m

Reykjavik Keflavik Intl

Sat 16/5

12:00-07:00

2 stops33h 00m

$1,909

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Mon 9/2

10:30-11:30

2 stops36h 00m

Reykjavik Keflavik Intl

Mon 16/2

12:00-06:30

2 stops31h 30m

$1,995

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Sun 1/2

11:15-10:55

2 stops34h 40m

Reykjavik Keflavik Intl

Sun 15/2

11:50-06:55

2 stops32h 05m

$2,042

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Mon 2/2

11:15-10:55

2 stops34h 40m

Reykjavik Keflavik Intl

Tue 31/3

10:50-07:25

2 stops33h 35m

$2,053

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Sun 3/5

07:40-09:45

2 stops36h 05m

Reykjavik Keflavik Intl

Mon 11/5

10:45-06:25

2 stops33h 40m

$2,080

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Fri 6/3

11:15-10:55

2 stops34h 40m

Reykjavik Keflavik Intl

Mon 9/3

11:50-06:55

2 stops32h 05m

$2,091

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Mon 2/2

15:15-10:55

2 stops30h 40m

Reykjavik Keflavik Intl

Tue 31/3

10:50-07:05

2 stops33h 15m

$2,094

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Tue 27/1

10:30-17:15

2 stops41h 45m

$520

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Sat 16/5

14:45-23:25

2 stops42h 40m

$1,280

Flights are sorted by cheapest return flights first.

Deals found on 25/12

Showing 1-10 of 15 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 month to book a flight from Sydney to Reykjavik Keflavik Intl Airport?

Currently, March is the cheapest month in which you can book a flight from Sydney to Reykjavik Keflavik Intl Airport (average of $1,816). Flying from Sydney to Reykjavik Keflavik Intl Airport in December is currently the most expensive (average of $2,465). 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.

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 27 December 2025.
Check out reviews from past customers who have flown with Finnair, Air Canada, andBritish Airways 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.
Finnair
7.6
Good
1,339 reviews
Check prices

Entertainment

6.9

Food

6.7

Crew

8.1

Comfort

7.4

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
Finnair
7.6
Good
1,339 reviews
Finnair
7.6
Good
1,339 reviews
Check prices

Entertainment

6.9

Food

6.7

Crew

8.1

Comfort

7.4

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
Air Canada
7.1
Good
10,562 reviews
Finnair
7.6
Good
1,339 reviews
Check prices

Entertainment

6.9

Food

6.7

Crew

8.1

Comfort

7.4

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
British Airways
6.7
Okay
7,614 reviews
Finnair
7.6
Good
1,339 reviews
Check prices

Entertainment

6.9

Food

6.7

Crew

8.1

Comfort

7.4

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.

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 3 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 34h 40m. Fly via United Airlines or British Airways to get the fastest option. Sydney and Reykjavik Keflavik Intl Airport are separated by a distance of 16636 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Currently priced at $1,816, 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 Air Canada - these airlines can fly you to your destination from $1,966 and $2,459, respectively. Finnair is currently priced 25% 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.

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

    Currently, March is the cheapest month in which you can book a flight from Sydney to Reykjavik Keflavik Intl Airport (average of $1,816). Flying from Sydney to Reykjavik Keflavik Intl Airport in December is currently the most expensive (average of $2,465). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Sydney to Keflavik Intl

Discover the top 3 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 27 December 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$1,816Average$2,334FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest$1,966Average$2,283FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest$2,459Average$2,737FlexibilityNo 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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