The cheapest times to fly from BOI to GFK are

  • January 8th to February 4th
  • March 26th to May 20th (except the week of April 9th)
  • October 8th to November 18th

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 BOI to GFK is late January. Prices can be as high as $842 for Sunday flights during mid December, or as low as $294 for Wednesday flights around late January.


When to Fly to Grand Forks

Flying from Boise, ID (BOI) to Grand Forks, ND (GFK) will usually cost between $303 to $654 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 $334. Due to high demand the most expensive time to fly is mid December, with an average price of $611. Planning your trip to low-cost times can easily save you $277 on economy flights and even more on first-class flights. Generally, any price below $441 can be considered a good price for a round-trip BOI to GFK flight.

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

BOI to GFK Flight Prices

Compared to other flights, the BOI to GFK flight is much cheaper than the average and costs less than the average flight leaving from Boise. The average price per mile (for a direct flight) is $0.28, which is below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to GFK, and Tuesday the cheapest day to fly back into BOI. 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 $128 (25%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $375. Return trip prices are from the GFK to BOI 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 BOI to GFK 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 43 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 BOI to GFK while comparing.

Destination alternative #1: Hector International Airport (FAR) in Fargo, ND

  • 73 miles (117 km) away from GFK
  • Usually 9.52% less expensive than GFK
  • 1-layover flights available

See BOI to FAR flights

Destination alternative #2: Bemidji Regional Airport (BJI) in Bemidji, MN

  • 108 miles (174 km) away from GFK
  • Usually 2.83% less expensive than GFK
  • 1-layover flights available

See BOI to BJI flights


Flight Questions Answered

Still have questions about flying from BOI to GFK? We’ve got answers.

Which airlines fly this route?

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

How far away is it from Grand Forks International Airport to Boise Air Terminal Airport?

The distance between the two airports is roughly 964 miles or 1551 kilometers.

How long does it take to fly from BOI to GFK?

The real-world flight time for a nonstop BOI to GFK flight is about 2 hour 43 minutes.

How many flights go between Boise, ID and Grand Forks, ND?

It depends on the day of the week and the date, but a typical day might have around 66 available flights from BOI to GFK.


Airport Location Info


Departing Airport

Origination code BOI
Origination airport name Boise Air Terminal Airport
City Boise, ID
Country the United States
Latitude 43.6
Longitude -116.2

Return Airport

Destination code GFK
Destination airport name Grand Forks International Airport
City Grand Forks, ND
Country the United States
Latitude 47.9
Longitude -97.2


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.