The cheapest times to fly from GRK to CUN are

  • January 1st to May 6th (except the weeks of February 12th, March 5th, March 12th, April 2nd, and April 9th)
  • May 28th to July 22nd (except the week of June 25th)
  • October 15th to November 18th (except the week of October 29th)
  • December 3rd to December 16th

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 GRK to CUN is early to mid July. Prices can be as high as $1540 for Saturday flights during early March, or as low as $550 for Tuesday flights around early to mid July.


When to Fly to CancĂșn

Flying from Killeen, TX (GRK) to Cancun (CUN) will usually cost between $550 to $790 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid July with an average ticket price of $550. Due to high demand the most expensive time to fly is early March, with an average price of $865. Planning your trip to low-cost times can easily save you $315 on economy flights and even more on first-class flights. Generally, any price below $560 can be considered a good price for a round-trip GRK to CUN flight.

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

GRK to CUN Flight Prices

Compared to other flights, the GRK to CUN flight is cheaper than the average and costs less than the average flight leaving from Killeen. The average price per mile (for a direct flight) is $0.36, which is a bit above 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 out or take a return trip. Selecting flights on the least expensive days could save you up to $66 (10%) 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 $563. Return trip prices are from the CUN to GRK 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 GRK to CUN can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 2 hour 44 minutes may not be realistic.


Flight Hacking GRK to CUN

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 GRK to CUN — but Champion Traveler does!

Hack #1: Mexico City (GRK > MEX > CUN)

  • Price for both tickets: $506
  • Average savings: $55 (9.73%)

See GRK to MEX flights


Flight Questions Answered

Still have questions about flying from GRK to CUN? We’ve got answers.

Which airlines fly this route?

You can find 3 major airlines flying this route most often: American, COPA, United, and potentially more during busy seasons.

How far away is it from Cancun International Airport to Robert Gray AAF Airport?

The distance between the two airports is roughly 969 miles or 1559 kilometers.

How long does it take to fly from GRK to CUN?

The real-world flight time for a nonstop GRK to CUN flight is about 2 hour 44 minutes.

How many flights go between Killeen, TX and Cancun?

It depends on the day of the week and the date, but a typical day might have around 58 available flights from GRK to CUN.


Airport Location Info


Departing Airport

Origination code GRK
Origination airport name Robert Gray AAF Airport
City Killeen, TX
Country the United States
Latitude 31.1
Longitude -97.8

Return Airport

Destination code CUN
Destination airport name Cancun International Airport
City Cancun
Country Mexico
Latitude 21
Longitude -86.9


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.