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Cheap flights from Oslo Gardermoen Airport to Reykjavik Keflavik Intl Airport from £31

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — KEF
3 Apr — 10 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Oslo Gardermoen to Keflavik Intl

Enter your travel dates to find the best prices.

Cheapest flights from Oslo Gardermoen to Keflavik Intl
Explore the most affordable flight options available from Oslo Gardermoen to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 March 2026.

Tue 14/418:30
OSL
-
KEF
Nonstop2h 50m
Norwegian
Tue 21/420:05
KEF
-
OSL
Nonstop2h 40m
Norwegian
Deal found 28/2£104
Sun 19/416:30
OSL
-
KEF
Nonstop2h 50m
Icelandair
Wed 22/407:50
KEF
-
OSL
Nonstop2h 45m
Icelandair
Deal found 3/3£134
Wed 15/409:20
OSL
-
KEF
1 stop11h 40m
KLM
Wed 22/420:00
KEF
-
OSL
1 stop13h 05m
KLM
Deal found 1/3£146
Mon 25/516:30
OSL
-
KEF
Nonstop2h 50m
Icelandair
Thu 28/510:40
KEF
-
OSL
Nonstop2h 45m
Icelandair
Deal found 3/3£147
Tue 14/418:30
OSL
-
KEF
Nonstop2h 50m
Multiple Airlines
Tue 21/419:50
KEF
-
OSL
1 stop9h 45m
Multiple Airlines
Deal found 28/2£148
Sat 18/412:25
OSL
-
KEF
1 stop8h 50m
Wizz Air
Sat 25/419:55
KEF
-
OSL
1 stop9h 40m
Wizz Air
Deal found 4/3£154
Sat 18/423:40
OSL
-
KEF
2 stops20h 30m
Multiple Airlines
Sat 25/419:55
KEF
-
OSL
1 stop9h 40m
Multiple Airlines
Deal found 4/3£173

Find flight deals from Oslo Gardermoen to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Oslo Gardermoen (OSL) 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 4 March 2026.

Round-trip from

£104

One-way from

£31

Popular in

December

Cheapest in

November

Average price

£151

Good round-trip deal

£336 or less
Norwegian
  • Norwegian
  • 14/4-21/4
  • Nonstop
  • 5h 30m total
  • Oslo to Reykjavik
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Norwegian
  • Norwegian
  • 10/5
  • Nonstop
  • 2h 50m total
  • Oslo to Reykjavik
Search Deals
High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 3% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in March 2026
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Price to beat on a round-trip flight from Oslo Gardermoen to Reykjavik Keflavik Intl.
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Oslo Gardermoen 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 858,174 searches. Data last updated 4 March 2026.
Use the filters below to find and compare flights from Oslo Gardermoen Airport to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OsloReykjavik

OSL - KEF

OSLKEF

Oslo Gardermoen

Thu 16/4

19:15-07:45

1 stop14h 30m

Reykjavik Keflavik Intl

Sun 19/4

20:10-11:05

1 stop12h 55m

£146

OsloReykjavik

OSL - KEF

OSLKEF

Oslo Gardermoen

Sat 18/4

13:50-14:45

Nonstop2h 55m

Reykjavik Keflavik Intl

Sat 25/4

07:50-12:35

Nonstop2h 45m

£172

OsloReykjavik

OSL - KEF

OSLKEF

Oslo Gardermoen

Sun 31/5

16:30-17:20

Nonstop2h 50m

Reykjavik Keflavik Intl

Fri 5/6

10:40-15:25

Nonstop2h 45m

£179

OsloReykjavik

OSL - KEF

OSLKEF

Oslo Gardermoen

Thu 30/4

08:00-16:15

1 stop10h 15m

Reykjavik Keflavik Intl

Sun 3/5

17:05-11:05

1 stop16h 00m

£303

OsloReykjavik

OSL - KEF

OSLKEF

Oslo Gardermoen

Thu 9/4

21:00-09:40

1 stop14h 40m

Reykjavik Keflavik Intl

Mon 13/4

10:30-00:20

1 stop11h 50m

£307

OsloReykjavik

OSL - KEF

OSLKEF

Oslo Gardermoen

Mon 6/4

09:35-10:25

Nonstop2h 50m

Reykjavik Keflavik Intl

Thu 7/5

17:05-08:10

1 stop13h 05m

£335

OsloReykjavik

OSL - KEF

OSLKEF

Oslo Gardermoen

Wed 19/8

17:20-08:35

1 stop17h 15m

Reykjavik Keflavik Intl

Mon 24/8

08:35-22:35

1 stop12h 00m

£337

OsloReykjavik

OSL - KEF

OSLKEF

Oslo Gardermoen

Sun 19/4

06:00-09:40

1 stop5h 40m

Reykjavik Keflavik Intl

Wed 22/4

11:15-15:55

Nonstop2h 40m

£338

OsloReykjavik

OSL - KEF

OSLKEF

Oslo Gardermoen

Mon 10/8

19:20-09:40

1 stop16h 20m

Reykjavik Keflavik Intl

Tue 18/8

11:15-15:55

Nonstop2h 40m

£356

OsloReykjavik

OSL - KEF

OSLKEF

Oslo Gardermoen

Wed 1/4

21:00-09:40

1 stop14h 40m

Reykjavik Keflavik Intl

Wed 8/4

17:35-09:15

1 stop13h 40m

£390

Flights are sorted by cheapest return flights first.

Deals found on 27/2

Showing 1-10 of 21 resultsSorted by cheapest first
1
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Best time to book a flight from Oslo Gardermoen to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Oslo Gardermoen 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 Oslo Gardermoen Airport to Reykjavik Keflavik Intl Airport

How far ahead should I book a flight from Oslo Gardermoen Airport to Reykjavik Keflavik Intl Airport?

Use this chart to determine the optimal time to book a return flight from Oslo Gardermoen to Keflavik Intl. Price data was last updated on 27 February 2026.

Booking 15 days in advance of your planned departure date is, on average, the best time to get cheap flights from Oslo Gardermoen Airport to Reykjavik Keflavik Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Oslo Gardermoen Airport to Reykjavik Keflavik Intl Airport?

Currently, March is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Reykjavik Keflavik Intl Airport (average of £55). Flying from Oslo Gardermoen Airport to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of £165). 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.

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

Find hourly flight availability from Oslo Gardermoen 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 4 March 2026.

One of the essential ways to save on airfare from Oslo Gardermoen Airport to Reykjavik Keflavik Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 38% on airfare.

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

Related info for your journey

Find useful and relevant information for your journey from Oslo Gardermoen to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    There are many flights that can get you from Oslo Gardermoen Airport to Reykjavik Keflavik Intl Airport in 2h 55m. Fly via KLM, Icelandair, or Scandinavian Airlines to get the fastest option. The distance between Oslo Gardermoen Airport and Reykjavik Keflavik Intl Airport is about 1106 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most reliable airlines from Oslo Gardermoen Airport to Reykjavik Keflavik Intl Airport?

    Before booking your flight to Reykjavik Keflavik Intl Airport from Oslo Gardermoen Airport, check out the most reliable airlines to get you to your destination on time: TAP AIR PORTUGAL (94%), Turkish Airlines (92%), Icelandair( 85%).

  • What are the cheapest flights from Oslo Gardermoen Airport to Reykjavik Keflavik Intl Airport?

    Looking at all options, your cheapest flight can be booked for £145. While the most popular route (Oslo Gardermoen - Reykjavik Keflavik Intl) can be booked for £148 on average, our data indicates £473 when flying from Oslo Gardermoen Airport to Reykjavik Keflavik Intl Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oslo Gardermoen 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 Oslo Gardermoen Airport to Reykjavik Keflavik Intl Airport?

    Currently, March is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Reykjavik Keflavik Intl Airport (average of £55). Flying from Oslo Gardermoen Airport to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of £165). 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

Travelling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Hveragerdi
Keflavik

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Yes, we can. To see specific flights from Oslo Gardermoen to Keflavik Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes! Start tracking prices for Oslo Gardermoen to Keflavik Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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