The cheapest times to fly from GRR to ROB are

  • January 8th to June 3rd (except the weeks of April 2nd and April 16th)
  • October 22nd to December 9th

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 GRR to ROB is late May. Prices can be as high as $7055 for Thursday flights during early August, or as low as $1438 for Sunday flights around late May.


When to Fly to Monrovia

Flying from Grand Rapids, MI (GRR) to Monrovia (ROB) will usually cost between $1439 to $5624 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late May with an average ticket price of $2021. Due to high demand the most expensive time to fly is early August, with an average price of $3116. Planning your trip to low-cost times can easily save you $1095 on economy flights and even more on first-class flights. Generally, any price below $1543 can be considered a good price for a round-trip GRR to ROB flight.

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

GRR to ROB Flight Prices

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


Flight Prices by Day of the Week

Sunday is usually the cheapest day to fly to ROB, and Tuesday the cheapest day to fly back into GRR. Thursdays are the most expensive days to fly to Monrovia, and Saturdays are the most expensive days to return to Grand Rapids. Selecting flights on the least expensive days could save you up to $7396 (55%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Sunday and returning a week later will cost an average of $1493. Return trip prices are from the ROB to GRR 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 GRR to ROB 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 18 minutes may not be realistic.


Flight Questions Answered

Still have questions about flying from GRR to ROB? We’ve got answers.

Which airlines fly this route?

You can find 9 major airlines flying this route most often: American, Brussels Airlines, Delta, Ethiopian, Kenya Airways, Lufthansa, Royal Air Maroc, South African, United, and potentially more during busy seasons.

How far away is it from Monrovia Roberts International Airport to Gerald R. Ford International Airport?

The distance between the two airports is roughly 5174 miles or 8327 kilometers.

How long does it take to fly from GRR to ROB?

The real-world flight time for a nonstop GRR to ROB flight is about 10 hour 18 minutes.

How many flights go between Grand Rapids, MI and Monrovia?

It depends on the day of the week and the date, but a typical day might have around 5 available flights from GRR to ROB.


Airport Location Info


Departing Airport

Origination code GRR
Origination airport name Gerald R. Ford International Airport
City Grand Rapids, MI
Country the United States
Latitude 42.9
Longitude -85.5

Return Airport

Destination code ROB
Destination airport name Monrovia Roberts International Airport
City Monrovia
Country Liberia
Latitude 6.2
Longitude -10.4


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.