The cheapest times to fly from GRK to CWB are

  • March 12th to April 8th
  • April 23rd to June 3rd (except the weeks of May 7th and May 14th)
  • August 6th to December 2nd

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 CWB is early to mid September. Prices can be as high as $2876 for Saturday flights during late December, or as low as $1429 for Tuesday flights around early to mid September.


When to Fly to Curitiba

Flying from Killeen, TX (GRK) to Curitiba (CWB) will usually cost between $1430 to $2140 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 $1461. Due to high demand the most expensive time to fly is late December, with an average price of $2358. Planning your trip to low-cost times can easily save you $897 on economy flights and even more on first-class flights. Generally, any price below $1554 can be considered a good price for a round-trip GRK to CWB flight.

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

GRK to CWB Flight Prices

Compared to other flights, the GRK to CWB flight is more expensive than the average and costs more than the average flight leaving from Killeen. The average price per mile (for a direct flight) is $0.19, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to CWB, and Sunday the cheapest day to fly back into GRK. 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 $297 (14%) 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 $1552. Return trip prices are from the CWB 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 CWB can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 10 hour 5 minutes may not be realistic.


Flight Hacking GRK to CWB

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 CWB — but Champion Traveler does!

Hack #1: Miami, FL (GRK > MIA > CWB)

  • Price for both tickets: $1005
  • Average savings: $550 (35.36%)

See GRK to MIA flights

Hack #2: Orlando, FL (GRK > MCO > CWB)

  • Price for both tickets: $1111
  • Average savings: $444 (28.54%)

See GRK to MCO flights

Hack #3: Fort Lauderdale, FL (GRK > FLL > CWB)

  • Price for both tickets: $1119
  • Average savings: $435 (27.99%)

See GRK to FLL flights


Flight Questions Answered

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

Which airlines fly this route?

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

How far away is it from Afonso Pena Airport to Robert Gray AAF Airport?

The distance between the two airports is roughly 5060 miles or 8143 kilometers.

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

The real-world flight time for a nonstop GRK to CWB flight is about 10 hour 5 minutes.

How many flights go between Killeen, TX and Curitiba?

It depends on the day of the week and the date, but a typical day might have around 17 available flights from GRK to CWB.


Airport Location Info


Departing Airport

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

Return Airport

Destination codeCWB
Destination airport nameAfonso Pena 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.