The cheapest times to fly from GRK to EUG are

  • January 8th to March 4th
  • April 2nd to May 20th
  • October 15th to November 18th
  • 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 EUG is late January. Prices can be as high as $1139 for Sunday flights during mid to late November, or as low as $287 for Tuesday flights around late January.


When to Fly to Eugene

Flying from Killeen, TX (GRK) to Eugene, OR (EUG) will usually cost between $307 to $934 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $375. Due to high demand the most expensive time to fly is mid to late November, with an average price of $756. Planning your trip to low-cost times can easily save you $381 on economy flights and even more on first-class flights. Generally, any price below $558 can be considered a good price for a round-trip GRK to EUG flight.

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

GRK to EUG Flight Prices

Compared to other flights, the GRK to EUG 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 $0.21, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays 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 $394 (47%) 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 $425. Return trip prices are from the EUG 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 EUG can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 3 hour 57 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 GRK to EUG while comparing.

Destination alternative #1: Portland International Airport (PDX) in Portland, OR

  • 106 miles (171 km) away from EUG
  • Usually 40.05% less expensive than EUG
  • 1-layover flights available

See GRK to PDX flights


Flight Hacking GRK to EUG

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 EUG — but Champion Traveler does!

Hack #1: Seattle, WA (GRK > SEA > EUG)

  • Price for both tickets: $480
  • Average savings: $78 (13.98%)

See GRK to SEA flights

Hack #2: Portland, OR (GRK > PDX > EUG)

  • Price for both tickets: $546
  • Average savings: $12 (2.15%)

See GRK to PDX flights

Hack #3: Las Vegas, NV (GRK > LAS > EUG)

  • Price for both tickets: $550
  • Average savings: $9 (1.52%)

See GRK to LAS flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 4 major airlines flying this route most often: Alaska, American, Delta, United, and potentially more during busy seasons.

How far away is it from Mahlon Sweet Field Airport to Robert Gray AAF Airport?

The distance between the two airports is roughly 1646 miles or 2649 kilometers.

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

The real-world flight time for a nonstop GRK to EUG flight is about 3 hour 57 minutes.

How many flights go between Killeen, TX and Eugene, OR?

It depends on the day of the week and the date, but a typical day might have around 19 available flights from GRK to EUG.


Airport Location Info


Departing Airport

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

Return Airport

Destination codeEUG
Destination airport nameMahlon Sweet Field Airport
CityEugene, OR
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.