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$827+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
— KEF
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

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Enter your travel dates to find the best prices.

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 27 November 2025.

Wed 24/1214:30SYD - KEF
2 stops29h 30mFinnair
Wed 31/1207:30KEF - SYD
2 stops37h 05mFinnair
Deal found 26/11$3,644
Wed 24/1210:45SYD - KEF
3 stops38h 30mMultiple Airlines
Wed 31/1209:45KEF - SYD
3 stops33h 50mMultiple Airlines
Deal found 26/11$3,874
Thu 27/1106:00SYD - KEF
2 stops44h 40mEmirates
Thu 11/1207:40KEF - SYD
2 stops47h 55mEmirates
Deal found 25/11$3,937
Thu 18/1211:15SYD - KEF
2 stops33h 00mFinnair
Thu 8/109:45KEF - SYD
2 stops36h 50mFinnair
Deal found 25/11$4,683
Thu 18/1215:55SYD - KEF
2 stops36h 20mMultiple Airlines
Thu 8/111:45KEF - SYD
3 stops35h 00mMultiple Airlines
Deal found 25/11$6,968

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 27 November 2025.

Return from

$1,722

One-way from

$827

Popular in

December

Cheapest in

May

Average price

$2,220
10/2-17/2
  • 10/2-17/2
  • 6 total stops
  • 67h 20m total
  • Sydney to Reykjavik
Search Deals
12/1
  • 12/1
  • 3 total stops
  • 56h 35m total
  • Sydney to Reykjavik
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($400 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($98 potential savings vs. average return price).
Search Deals
Average for return flights in November 2025
Search Deals

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 27 November 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 2/2

21:15-23:55

3 stops37h 40m

Reykjavik Keflavik Intl

Mon 30/3

07:40-20:15

3 stops49h 35m

$2,069

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Wed 4/3

11:05-09:00

2 stops32h 55m

Reykjavik Keflavik Intl

Sun 8/3

10:00-07:25

2 stops34h 25m

$2,093

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Sun 3/5

08:25-09:45

2 stops35h 20m

Reykjavik Keflavik Intl

Mon 11/5

10:45-06:25

2 stops33h 40m

$2,139

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Thu 22/1

22:20-13:20

2 stops50h 00m

Reykjavik Keflavik Intl

Sat 7/2

14:20-06:35

2 stops29h 15m

$2,189

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Mon 2/2

11:15-15:55

2 stops39h 40m

Reykjavik Keflavik Intl

Tue 31/3

08:35-06:10

2 stops34h 35m

$2,257

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Tue 10/2

20:05-23:55

3 stops38h 50m

Reykjavik Keflavik Intl

Tue 17/2

08:00-06:50

2 stops35h 50m

$2,322

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Sun 3/5

18:05-12:55

2 stops52h 50m

Reykjavik Keflavik Intl

Sun 10/5

00:25-06:10

2 stops43h 45m

$2,442

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Mon 12/1

21:25-19:00

3 stops56h 35m

$827

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Sat 10/1

21:25-19:00

3 stops56h 35m

$870

SydneyReykjavik

SYD - KEF

SYDKEF

Sydney Kingsford Smith

Wed 14/1

21:25-19:00

3 stops56h 35m

$918

Flights are sorted by cheapest return flights first.

Deals found on 25/11

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

What are the cheapest airlines that fly to Keflavik Intl?

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

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 November 2025.
Check out reviews from past customers who have flown Emirates, 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.
Emirates
8.1
Very Good
3,422 reviews
Check prices

Crew

8.3

Entertainment

8.2

Food

7.9

Boarding

8.1

Comfort

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2024

AKL - DXB

The cabin crew were as always friendly and helpful. Couldn't ask for more. Although the flight in business was under occupied there were a couple of things not available!
Emirates
8.1
Very Good
3,422 reviews
Emirates
8.1
Very Good
3,422 reviews
Check prices

Crew

8.3

Entertainment

8.2

Food

7.9

Boarding

8.1

Comfort

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2024

AKL - DXB

The cabin crew were as always friendly and helpful. Couldn't ask for more. Although the flight in business was under occupied there were a couple of things not available!
Finnair
7.6
Good
1,334 reviews
Emirates
8.1
Very Good
3,422 reviews
Check prices

Crew

8.3

Entertainment

8.2

Food

7.9

Boarding

8.1

Comfort

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2024

AKL - DXB

The cabin crew were as always friendly and helpful. Couldn't ask for more. Although the flight in business was under occupied there were a couple of things not available!
Air Canada
7.1
Good
10,481 reviews
Emirates
8.1
Very Good
3,422 reviews
Check prices

Crew

8.3

Entertainment

8.2

Food

7.9

Boarding

8.1

Comfort

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2024

AKL - DXB

The cabin crew were as always friendly and helpful. Couldn't ask for more. Although the flight in business was under occupied there were a couple of things not available!
British Airways
6.7
Okay
7,539 reviews
Emirates
8.1
Very Good
3,422 reviews
Check prices

Crew

8.3

Entertainment

8.2

Food

7.9

Boarding

8.1

Comfort

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2024

AKL - DXB

The cabin crew were as always friendly and helpful. Couldn't ask for more. Although the flight in business was under occupied there were a couple of things not available!

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 $45, while return flights cost around $298.

  • How much is a return flight to Keflavik Intl?

    A return flight to Keflavik Intl will typically cost around $415, however they can be found for as little as $298.

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

    For those looking to save time traveling to Keflavik Intl, Perth offers the quickest one-way flight (26 hours 30 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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Millions of users choose and trust Cheapflights to book the best flight deals to Keflavik Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

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

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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