The cheapest times to fly from IAH to KEF are

  • March 26th to June 10th (except the week of May 7th)
  • July 2nd 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 IAH to KEF is early September. Prices can be as high as $2530 for Saturday flights during late December, or as low as $597 for Tuesday flights around early September.


When to Fly to Reykjavík

Flying from Houston, TX (IAH) to Keflavik/Reykjavik (KEF) will usually cost between $608 to $1036 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 $608. Due to high demand the most expensive time to fly is late December, with an average price of $1157. Planning your trip to low-cost times can easily save you $549 on economy flights and even more on first-class flights. Generally, any price below $705 can be considered a good price for a round-trip IAH to KEF flight.

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

IAH to KEF Flight Prices

Compared to other flights, the IAH to KEF flight is cheaper than the average and costs less than the average flight leaving from Houston. The average price per mile (for a direct flight) is $0.11, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly to Reykjavík, and Fridays are the most expensive days to return to Houston. Selecting flights on the least expensive days could save you up to $121 (13%) 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 $672. Return trip prices are from the KEF to IAH 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 IAH 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 55 minutes may not be realistic.


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

Hack #1: Boston, MA (IAH > BOS > KEF)

  • Price for both tickets: $650
  • Average savings: $55 (7.81%)

See IAH to BOS flights

Hack #2: New York, NY (IAH > JFK > KEF)

  • Price for both tickets: $699
  • Average savings: $6 (0.78%)

See IAH to JFK flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 14 major airlines flying this route most often: Air Canada, Air France, Alaska, American, Austrian, British Airways, Delta, Finnair, Icelandair, JetBlue, KLM, Lufthansa, Singapore Airlines, United, and potentially more during busy seasons.

How far away is it from Keflavik International Airport to George Bush Intercontinental/Houston Airport?

The distance between the two airports is roughly 3855 miles or 6204 kilometers.

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

The real-world flight time for a nonstop IAH to KEF flight is about 7 hour 55 minutes.

How many flights go between Houston, TX and Keflavik/Reykjavik?

It depends on the day of the week and the date, but a typical day might have around 42 available flights from IAH to KEF.


Airport Location Info


Departing Airport

Origination code IAH
Origination airport name George Bush Intercontinental/Houston Airport
City Houston, TX
Country the United States
Latitude 30
Longitude -95.3

Return Airport

Destination code KEF
Destination airport name Keflavik International Airport
City Keflavik/Reykjavik
Country Iceland
Latitude 64
Longitude -22.6


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.