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Cheap flights from Oslo Gardermoen Airport to Reykjavik Keflavik Intl Airport from £53

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 Jan — 10 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Oslo Gardermoen to Reykjavik Keflavik Intl are usually found in March or February, booked 15 days in advance, depart on a Thursday or Tuesday and return on a Monday

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 December 2025.

Fri 5/1215:05OSL - KEF
1 stop20h 50mBritish Airways
Sun 7/1211:50KEF - OSL
1 stop21h 45mBritish Airways
Deal found 3/12£314
Thu 18/1205:55OSL - KEF
1 stop11h 55mScandinavian Airlines
Sun 21/1218:25KEF - OSL
1 stop12h 55mScandinavian Airlines
Deal found 2/12£331
Sat 6/1221:05OSL - KEF
1 stop14h 40mScandinavian Airlines
Sun 7/1211:15KEF - OSL
Nonstop2h 40mScandinavian Airlines
Deal found 2/12£386
Thu 18/1206:30OSL - KEF
1 stop13h 35mKLM
Sun 21/1220:05KEF - OSL
1 stop11h 35mKLM
Deal found 2/12£485
Mon 29/1205:55OSL - KEF
1 stop11h 55mScandinavian Airlines
Fri 2/119:30KEF - OSL
Nonstop2h 40mScandinavian Airlines
Deal found 3/12£549
Fri 5/1213:10OSL - KEF
Nonstop3h 10mIcelandair
Tue 9/1207:50KEF - OSL
Nonstop2h 45mIcelandair
Deal found 2/12£794
Thu 18/1207:05OSL - KEF
1 stop28h 50mBritish Airways
Sun 21/1211:50KEF - OSL
1 stop21h 45mBritish Airways
Deal found 2/12£908

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 December 2025.

Round-trip from

£114

One-way from

£53

Popular in

December

Cheapest in

March

Average price

£292
Scandinavian Airlines
  • Scandinavian Airlines
  • 6/1-11/1
  • 1 total stop
  • 16h 50m total
  • Oslo to Reykjavik
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Scandinavian Airlines
  • Scandinavian Airlines
  • 10/5
  • Nonstop
  • 2h 50m total
  • Oslo to Reykjavik
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£7 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 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 December 2025.
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

Oslo Gardermoen

Fly to

Keflavik Intl

Route

Depart

Return

Price

OsloReykjavik

OSL - KEF

OSLKEF

Oslo Gardermoen

Tue 6/1

07:55-10:00

Nonstop3h 05m

Reykjavik Keflavik Intl

Sun 11/1

17:35-08:20

1 stop13h 45m

£114

OsloReykjavik

OSL - KEF

OSLKEF

Oslo Gardermoen

Sun 25/1

18:55-10:45

1 stop16h 50m

Reykjavik Keflavik Intl

Sat 31/1

11:25-20:20

1 stop7h 55m

£120

OsloReykjavik

OSL - KEF

OSLKEF

Oslo Gardermoen

Thu 15/1

06:30-19:05

1 stop13h 35m

Reykjavik Keflavik Intl

Mon 19/1

20:05-08:40

1 stop11h 35m

£153

OsloReykjavik

OSL - KEF

OSLKEF

Oslo Gardermoen

Sat 17/1

12:40-19:05

1 stop7h 25m

Reykjavik Keflavik Intl

Sat 24/1

20:05-08:40

1 stop11h 35m

£163

OsloReykjavik

OSL - KEF

OSLKEF

Oslo Gardermoen

Thu 26/3

19:00-10:25

1 stop16h 25m

Reykjavik Keflavik Intl

Thu 9/4

19:15-11:05

1 stop13h 50m

£171

OsloReykjavik

OSL - KEF

OSLKEF

Oslo Gardermoen

Wed 4/3

19:00-10:25

1 stop16h 25m

Reykjavik Keflavik Intl

Mon 9/3

20:05-11:50

1 stop14h 45m

£173

OsloReykjavik

OSL - KEF

OSLKEF

Oslo Gardermoen

Thu 26/3

08:40-10:45

Nonstop3h 05m

Reykjavik Keflavik Intl

Thu 9/4

11:05-15:45

Nonstop2h 40m

£179

OsloReykjavik

OSL - KEF

OSLKEF

Oslo Gardermoen

Sun 17/5

16:30-17:20

Nonstop2h 50m

Reykjavik Keflavik Intl

Sat 23/5

10:40-15:25

Nonstop2h 45m

£204

OsloReykjavik

OSL - KEF

OSLKEF

Oslo Gardermoen

Tue 19/5

16:30-17:20

Nonstop2h 50m

Reykjavik Keflavik Intl

Sat 23/5

10:40-15:25

Nonstop2h 45m

£204

OsloReykjavik

OSL - KEF

OSLKEF

Oslo Gardermoen

Sun 10/5

17:00-17:50

Nonstop2h 50m

£53

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 18 results
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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 28 November 2025.

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 £56). Flying from Oslo Gardermoen Airport to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of £145). 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 December 2025.

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 48% 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 3h 05m. Fly via Scandinavian Airlines or KLM 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: Scandinavian Airlines (94%), KLM (92%), Norwegian( 90%).

  • 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 £56). Flying from Oslo Gardermoen Airport to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of £145). 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?

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