The cheapest times to fly from OKC to KEF are

  • April 16th to October 21st (except the week of May 14th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from OKC to KEF is early September. Prices can be as high as $5554 for Wednesday flights during mid March, or as low as $598 for Tuesday flights around early September.


When to Fly to Reykjavík

Flying from Oklahoma City, OK (OKC) to Keflavik/Reykjavik (KEF) will usually cost between $606 to $1757 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early September with an average ticket price of $606. Due to high demand the most expensive time to fly is mid March, with an average price of $2386. Planning your trip to low-cost times can easily save you $1780 on economy flights and even more on first-class flights. Generally, any price below $841 can be considered a good price for a round-trip OKC to KEF flight.

See below for a graph of average weekly prices for the OKC to KEF route. All prices are for round-trip tickets in USD.

OKC to KEF Flight Prices

Compared to other flights, the OKC to KEF flight is cheaper than the average and costs about as much as the average flight leaving from Oklahoma City. The average price per mile (for a direct flight) is $0.14, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to KEF, and Monday the cheapest day to fly back into OKC. Wednesdays are the most expensive days to fly to Reykjavík, and Saturdays are the most expensive days to return to Oklahoma City. Selecting flights on the least expensive days could save you up to $339 (26%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $843. Return trip prices are from the KEF to OKC flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from OKC to KEF can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 7 hour 28 minutes may not be realistic.


Flight Hacking OKC to KEF

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from OKC to KEF — but Champion Traveler does!

Hack #1: Chicago, IL (OKC > ORD > KEF)

  • Price for both tickets: $780
  • Average savings: $61 (7.2%)

See OKC to ORD flights

Hack #2: Washington, DC (OKC > IAD > KEF)

  • Price for both tickets: $783
  • Average savings: $58 (6.9%)

See OKC to IAD flights

Hack #3: Newark, NJ (OKC > EWR > KEF)

  • Price for both tickets: $792
  • Average savings: $49 (5.77%)

See OKC to EWR flights


Flight Questions Answered

Still have questions about flying from OKC to KEF? We’ve got answers.

Which airlines fly this route?

You can find 10 major airlines flying this route most often: Air Canada, Air France, American, Austrian, British Airways, Delta, Finnair, KLM, Lufthansa, United, and potentially more during busy seasons.

How far away is it from Keflavik International Airport to Will Rogers World Airport?

The distance between the two airports is roughly 3605 miles or 5802 kilometers.

How long does it take to fly from OKC to KEF?

The real-world flight time for a nonstop OKC to KEF flight is about 7 hour 28 minutes.

How many flights go between Oklahoma City, OK and Keflavik/Reykjavik?

It depends on the day of the week and the date, but a typical day might have around 44 available flights from OKC to KEF.


Airport Location Info


Departing Airport

Origination codeOKC
Origination airport nameWill Rogers World Airport
CityOklahoma City, OK
Countrythe United States

Return Airport

Destination codeKEF
Destination airport nameKeflavik International Airport


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.