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$1,032+ Cheap flights to Keflavik Intl

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
— KEF
20 Aug — 27 Aug1
1 adult

Flights to Keflavik Intl in 2025

Find the latest flights to Keflavik Intl in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 15 August 2025.

One-way from

$1,032

Popular in

December

Cheapest in

May

Average price

$2,374
15/9
  • 15/9
  • 2 total stops
  • 37h 50m total
  • Sydney to Reykjavik
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($618 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease ($196 potential savings vs. average return price).
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Average for return flights in August 2025
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Find flight deals to Keflavik Intl Airport

Cheapest flights to Keflavik Intl Airport
Explore the most affordable flight options available to Keflavik Intl Airport. Find the lowest fares based on data from user searches, with prices last updated on 15 August 2025.

Mon 10/1121:40SYD - KEF
2 stops37h 15mMultiple Airlines
Mon 24/1107:35KEF - SYD
2 stops36h 15mMultiple Airlines
Deal found 13/8$1,920
Thu 11/909:30SYD - KEF
2 stops31h 30mUnited Airlines
Thu 18/912:00KEF - SYD
2 stops33h 00mUnited Airlines
Deal found 13/8$1,924
Thu 4/910:20SYD - KEF
2 stops30h 40mUnited Airlines
Tue 9/912:00KEF - SYD
2 stops56h 55mUnited Airlines
Deal found 13/8$1,931
Thu 18/1215:35SYD - KEF
2 stops34h 50mMultiple Airlines
Thu 8/107:25KEF - SYD
2 stops27h 25mMultiple Airlines
Deal found 12/8$2,593
Fri 26/915:40SYD - KEF
2 stops31h 35mMultiple Airlines
Fri 3/1006:00KEF - SYD
3 stops41h 45mMultiple Airlines
Deal found 12/8$2,650
Thu 11/922:10SYD - KEF
2 stops35h 25mMultiple Airlines
Thu 18/910:30KEF - SYD
3 stops35h 10mMultiple Airlines
Deal found 13/8$2,661
Fri 26/914:40SYD - KEF
2 stops28h 30mBritish Airways
Fri 3/1010:30KEF - SYD
2 stops32h 50mBritish Airways
Deal found 12/8$2,699

Cheapflights Fare Finder

 
Locate flights to Keflavik Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 15 August 2025.
Use the filters below to find and compare flights to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Mon 10/11

21:40-23:55

2 stops37h 15m

Reykjavik Keflavik Intl

Mon 24/11

07:35-06:50

2 stops36h 15m

$1,920

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Thu 11/9

09:30-07:00

2 stops31h 30m

Reykjavik Keflavik Intl

Thu 18/9

12:00-07:00

2 stops33h 00m

$1,924

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Thu 4/9

10:20-07:00

2 stops30h 40m

Reykjavik Keflavik Intl

Tue 9/9

12:00-06:55

2 stops56h 55m

$1,931

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Wed 10/9

09:30-07:00

2 stops31h 30m

Reykjavik Keflavik Intl

Wed 17/9

12:00-07:00

2 stops57h 00m

$1,931

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Mon 26/1

06:00-15:30

2 stops68h 30m

Reykjavik Keflavik Intl

Sun 15/2

07:40-07:00

2 stops36h 20m

$2,575

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Thu 18/12

15:35-15:25

2 stops34h 50m

Reykjavik Keflavik Intl

Thu 8/1

07:25-21:50

2 stops27h 25m

$2,593

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Fri 26/9

15:40-13:15

2 stops31h 35m

Reykjavik Keflavik Intl

Fri 3/10

06:00-09:45

3 stops41h 45m

$2,650

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Thu 11/9

22:10-23:35

2 stops35h 25m

Reykjavik Keflavik Intl

Thu 18/9

10:30-07:40

3 stops35h 10m

$2,661

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Mon 15/9

10:15-14:05

2 stops37h 50m

$1,032

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Sat 13/12

21:25-19:00

3 stops56h 35m

$1,058

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Showing 1-10 of 15 results
1
2

Best time to book a flight to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to 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.

Cheapflights Insights

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

How long is the flight to Keflavik Intl?

On average, a flight from Sydney to Keflavik Intl takes 31 hours 30 minutes. Flights to Keflavik Intl from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Keflavik Intl?

The most popular airlines flying from Sydney to Keflavik Intl are Finnair, British Airways and Air Canada.

Finnair
Finnair
From $1,258
British Airways
British Airways
From $1,349
Air Canada
Air Canada
From $1,650
Emirates
Emirates
From $1,579

What are the cheapest airlines that fly to Keflavik Intl?

The cheapest airlines flying from Sydney to Keflavik Intl are Finnair, British Airways and Singapore Airlines.

Rainfall in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Keflavik Intl ranges from 40.0 - 80.0 mm per month. January is typically the wettest month, when rainfall can reach 80.0 mm. May is typically the driest time to visit Keflavik Intl when rainfall is around 40.0 mm.

Temperature in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Keflavik Intl, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 11.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

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 15 August 2025.
Check out reviews from past customers who have flown Singapore Airlines, Finnair, andAir Canada to Iceland to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,346 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.7

Overall

8.1

Entertainment

8.0

Comfort

8.0

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
1,346 reviews
Singapore Airlines
8.1
Very Good
1,346 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.7

Overall

8.1

Entertainment

8.0

Comfort

8.0

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
1,321 reviews
Singapore Airlines
8.1
Very Good
1,346 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.7

Overall

8.1

Entertainment

8.0

Comfort

8.0

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
9,956 reviews
Singapore Airlines
8.1
Very Good
1,346 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.7

Overall

8.1

Entertainment

8.0

Comfort

8.0

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
7,267 reviews
Singapore Airlines
8.1
Very Good
1,346 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.7

Overall

8.1

Entertainment

8.0

Comfort

8.0

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

FAQs about flying to Keflavik Intl

  • Can I find cheaper flights to Keflavik Intl if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Keflavik Intl on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Keflavik Intl?

    Based on reviews from Cheapflights users, Finnair is rated the highest out of the airlines that fly to Keflavik Intl.

  • What is the cheapest airport to fly to in Keflavik Intl?

    Reykjavik Keflavik Intl is currently the cheapest airport to fly to in Keflavik Intl. One-way flights to Reykjavik Keflavik Intl typically cost $124, while return flights cost around $183.

  • How much is a return flight to Keflavik Intl?

    A return flight to Keflavik Intl will typically cost around $356, however they can be found for as little as $119.

  • Where does the fastest flight to Keflavik Intl depart from?

    For those looking to save time traveling to Keflavik Intl, Melbourne offers the quickest one-way flight (30 hours 15 minutes).

  • Does Reykjavik Keflavik Intl have car hire?

    Yes. Those touching down at Reykjavik Keflavik Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Reykjavik Keflavik Intl?

    Yes. Reykjavik Keflavik Intl has hotels nearby for those requiring accommodations. Bank Guesthouse By Kef Airport is the closest property to Reykjavik Keflavik Intl (1.6 km away from Reykjavik Keflavik Intl).

See more FAQs

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

Yes, Cheapflights offers price alerts on Keflavik Intl flights so you can book your flight when prices are ideal. Enable price alerts 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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