The cheapest times to fly from CTG to GRK are

  • January 15th to March 4th
  • April 2nd to June 10th (except the weeks of April 30th and May 7th)
  • August 13th to November 4th (except the week of August 20th)

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 CTG to GRK is late April. Prices can be as high as $2770 for Friday flights during early to mid May, or as low as $967 for Monday flights around late April.


When to Fly to Killeen

Flying from Cartagena (CTG) to Killeen, TX (GRK) will usually cost between $974 to $1381 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late April with an average ticket price of $970. Due to high demand the most expensive time to fly is early to mid May, with an average price of $1466. Planning your trip to low-cost times can easily save you $496 on economy flights and even more on first-class flights. Generally, any price below $1016 can be considered a good price for a round-trip CTG to GRK flight.

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

CTG to GRK Flight Prices

Compared to other flights, the CTG to GRK flight is priced close to the average and costs about as much as the average flight leaving from Cartagena. The average price per mile (for a direct flight) is $0.31, which is in the normal range for a flight.


Flight Prices by Day of the Week

Monday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly to Killeen, and Saturdays are the most expensive days to return to Cartagena. Selecting flights on the least expensive days could save you up to $57 (5%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $1046. Return trip prices are from the GRK to CTG 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 CTG to GRK can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 4 hour 37 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from CTG to GRK while comparing.

Destination alternative #1: Austin – Bergstrom International Airport (AUS) in Austin, TX

  • 61 miles (98 km) away from GRK
  • Usually 31.56% less expensive than GRK
  • 1-layover flights available

See CTG to AUS flights

Destination alternative #2: San Antonio International Airport (SAT) in San Antonio, TX

  • 113 miles (182 km) away from GRK
  • Usually 27.03% less expensive than GRK
  • 1-layover flights available

See CTG to SAT flights

Destination alternative #3: Dallas/Fort Worth International Airport (DFW) in Dallas/Fort Worth, TX

  • 135 miles (217 km) away from GRK
  • Usually 16.40% less expensive than GRK
  • 1-layover flights available

See CTG to DFW flights


Flight Hacking CTG to GRK

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 CTG to GRK — but Champion Traveler does!

Hack #1: Fort Lauderdale, FL (CTG > FLL > GRK)

  • Price for both tickets: $659
  • Average savings: $357 (35.16%)

See CTG to MIA flights

Hack #2: Miami, FL (CTG > MIA > GRK)

  • Price for both tickets: $706
  • Average savings: $310 (30.48%)

See CTG to FLL flights

Hack #3: Orlando, FL (CTG > MCO > GRK)

  • Price for both tickets: $774
  • Average savings: $242 (23.78%)

See CTG to MCO flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 5 major airlines flying this route most often: American, Avianca, COPA, LATAM, United, and potentially more during busy seasons.

How far away is it from Robert Gray AAF Airport to Rafael Nunez Airport?

The distance between the two airports is roughly 2018 miles or 3248 kilometers.

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

The real-world flight time for a nonstop CTG to GRK flight is about 4 hour 37 minutes.

How many flights go between Cartagena and Killeen, TX?

It depends on the day of the week and the date, but a typical day might have around 12 available flights from CTG to GRK.


Airport Location Info


Departing Airport

Origination codeCTG
Origination airport nameRafael Nunez Airport

Return Airport

Destination codeGRK
Destination airport nameRobert Gray AAF Airport
CityKilleen, TX
Countrythe United States


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.