Cheap Flights from ISN to GRR: When to Fly from Williston to Grand Rapids
The cheapest times to fly from ISN to GRR are
January 8th to February 25th (except the week of February 12th)
April 16th to May 6th
August 13th to November 18th (except the weeks of October 1st and October 8th)
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 ISN to GRR is mid to late August. Prices can be as high as $945 for Monday flights during mid December, or as low as $330 for Tuesday flights around mid to late August.
When to Fly to Grand Rapids
Flying from Williston, ND (ISN) to Grand Rapids, MI (GRR) will usually cost between $340 to $626 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late August with an average ticket price of $344. Due to high demand the most expensive time to fly is mid December, with an average price of $677. Planning your trip to low-cost times can easily save you $332 on economy flights and even more on first-class flights. Generally, any price below $430 can be considered a good price for a round-trip ISN to GRR flight.
See below for a graph of average weekly prices for the ISN to GRR route. All prices are for round-trip tickets in USD.
ISN to GRR Flight Prices
Compared to other flights, the ISN to GRR flight is much cheaper than the average and costs much less than the average flight leaving from Williston. The average price per mile (for a direct flight) is $0.28, which is below average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to fly to GRR. Mondays are the most expensive days to fly to Grand Rapids. Selecting flights on the least expensive days could save you up to $58 (12%) 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 $387. Return trip prices are from the GRR to ISN flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Departure Day Prices
Nonstop Flights and Layovers
Travelers looking to fly from ISN to GRR 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 41 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 ISN to GRR while comparing.
Destination alternative #1: Detroit Metro Wayne County Airport (DTW) in Detroit, MI
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.