The cheapest times to fly from KOA to KEF are

  • April 23rd to October 21st

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 KOA to KEF is early to mid September. Prices can be as high as $7841 for Tuesday flights during late October to early November, or as low as $610 for Wednesday flights around early to mid September.


When to Fly to Reykjavík

Flying from Kona, HI (KOA) to Keflavik/Reykjavik (KEF) will usually cost between $794 to $4723 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid September with an average ticket price of $821. Due to high demand the most expensive time to fly is late October to early November, with an average price of $4773. Planning your trip to low-cost times can easily save you $3952 on economy flights and even more on first-class flights. Generally, any price below $1511 can be considered a good price for a round-trip KOA to KEF flight.

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

KOA to KEF Flight Prices

Compared to other flights, the KOA to KEF flight is more expensive than the average and costs slightly more than the average flight leaving from Kailua-Kona. The average price per mile (for a direct flight) is $0.15, which is far below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to depart and return on this flight. Tuesdays are the most expensive days to fly to Reykjavík, and Sundays are the most expensive days to return to Kailua-Kona. Selecting flights on the least expensive days could save you up to $850 (32%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $1498. Return trip prices are from the KEF to KOA 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 KOA 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 12 hour 2 minutes may not be realistic.


Flight Hacking KOA 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 KOA to KEF — but Champion Traveler does!

Hack #1: Honolulu, HI (KOA > HNL > KEF)

  • Price for both tickets: $1088
  • Average savings: $423 (27.97%)

See KOA to HNL flights

Hack #2: Boston, MA (KOA > BOS > KEF)

  • Price for both tickets: $1091
  • Average savings: $420 (27.77%)

See KOA to BOS flights

Hack #3: Seattle, WA (KOA > SEA > KEF)

  • Price for both tickets: $1119
  • Average savings: $392 (25.95%)

See KOA to SEA flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 12 major airlines flying this route most often: Air Canada, Air France, Alaska, American, British Airways, Delta, Hawaiian, Icelandair, JAL, KLM, Lufthansa, United, and potentially more during busy seasons.

How far away is it from Keflavik International Airport to Ellison Onizuka Kona International at Keahole Airport?

The distance between the two airports is roughly 6139 miles or 9880 kilometers.

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

The real-world flight time for a nonstop KOA to KEF flight is about 12 hour 2 minutes.

How many flights go between Kona, HI and Keflavik/Reykjavik?

It depends on the day of the week and the date, but a typical day might have around 21 available flights from KOA to KEF.


Airport Location Info


Departing Airport

Origination codeKOA
Origination airport nameEllison Onizuka Kona International at Keahole Airport
CityKona, HI
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.