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Cheap Flights from Ontario International (ONT) to Grand Rapids (GRR)

Compare Ontario International to Grand Rapids flight deals

Find the cheapest month or even day of the year to fly to Grand Rapids

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Flight deals from Ontario International to Grand Rapids

Looking for a cheap last-minute deal or the best return flight from Ontario International Airport to Grand Rapids Airport? If you want to travel next month, return fares start from £183. Find the lowest prices on one-way and return tickets right here.
Grand Rapids.£82 per passenger.Departing Wed, 3 Jun.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Wed, 3 Jun, arriving in Grand Rapids.Price includes taxes and charges.From £82, select.
Grand Rapids.£149 per passenger.Departing Wed, 27 May.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Wed, 27 May, arriving in Grand Rapids.Price includes taxes and charges.From £149, select.
Grand Rapids.£149 per passenger.Departing Tue, 21 Jul.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Tue, 21 Jul, arriving in Grand Rapids.Price includes taxes and charges.From £149, select.
Grand Rapids.£150 per passenger.Departing Thu, 13 Aug.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Thu, 13 Aug, arriving in Grand Rapids.Price includes taxes and charges.From £150, select.
Grand Rapids.£153 per passenger.Departing Wed, 7 Oct.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Wed, 7 Oct, arriving in Grand Rapids.Price includes taxes and charges.From £153, select.

Find the cheapest month to fly from Ontario International to Grand Rapids

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to Grand Rapids flights are currently cheapest in June.
May
from £149
Jun
from £82
Jul
from £149
Aug
from £150
Sep
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Oct
from £153
Nov
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Dec
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Jan
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Feb
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Mar
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Apr
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Ontario International to Grand Rapids: Alternative routes

Compare routes from Ontario International to Grand Rapids below. You may find an airport to fly into that's cheaper, faster, or easier than Grand Rapids.

Grand Rapids

10 miles from central Grand Rapids
ClosestCheapest
from £82
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Muskegon

32 miles from central Grand Rapids
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Kalamazoo

51 miles from central Grand Rapids
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Ontario to Grand Rapids: Flight information

The things to know before you go.
Cheapest flight found£82
Cheapest month to flyJune

Finding cheap flights from Ontario International to Grand Rapids: Frequently asked questions

The best price we found for a return flight from Ontario International to Grand Rapids is £183. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Ontario International to Grand Rapids. But we found flights with one or more stops from £183.
As of May 2026, there are no flights flying from Ontario International to Grand Rapids.
The cheapest month to fly from Ontario International to Grand Rapids is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Grand Rapids Airport on Monday, 1 June 2026.
No airlines currently offer direct flights between Ontario International Airport and Grand Rapids Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Grand Rapids but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Grand Rapids is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Grand Rapids.

Flying from Ontario International Airport (ONT) to Gerald R. Ford International Airport (GRR): what you need to know

  • Leave plenty of time to make your ONT to GRR flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak month like August? School holidays and other popular seasons can mean longer queues at check-in and security. Play it safe and arrive up to four hours before international flights and two hours before domestic departures.

  • If you'd like to split up your journey, simply deselect 'Direct flights only' when searching for your ticket from Ontario International Airport to Gerald R. Ford International Airport. These are the most popular stopovers between ONT and GRR:

    • Chicago Midway International Airport

    • Phoenix Sky Harbour International Airport

    • Denver International Airport

How to find the cheapest flights from Ontario International Airport (ONT) to Gerald R. Ford International Airport (GRR)

  • £82 is the best price for a one-way Ontario International Airport to Gerald R. Ford International Airport flight. A return flight starts from £183. These prices can change based on demand and availability.

  • It's often best to book ahead of time if you're hoping to get cheap tickets from ONT to GRR. That's because airlines adjust prices based on demand, which tends to rise closer to the date of departure.

  • If you're willing to be flexible with your trip dates, use the 'Whole month' tool. It'll give you the cheapest price across every month when looking for your flight from Ontario International Airport to Gerald R. Ford International Airport.

  • Stay on top of deals for cheap flights from ONT to GRR by setting up a Price Alert. We'll send you an email or notification on the app when a lower fare becomes available.

  • Discover the ideal flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Ontario International Airport to Gerald R. Ford International Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and journey duration.

Handy information about Ontario International Airport (ONT)

  • ONT's address is 2900 E. Airport Drive.

  • Ontario International Airport gets high marks for on-time performance. 83.6% of flights that depart ONT arrive at their destination without delay.

  • Central Ontario to Ontario International Airport is approximately 4 miles. Depending on traffic, it'll take you about 10 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Planning to take public transport? Expect a journey time of around 1 hour 30 minutes.

  • Get your travels off to a stress-free start by staying near ONT. Whether you're taking an early flight from Ontario International Airport to Gerald R. Ford International Airport or just don't like being rushed, these stays are perfect:

Arriving at Gerald R. Ford International Airport (GRR)

Getting from Gerald R. Ford International Airport (GRR) to central Grand Rapids

  • The address for GRR is 5500 44th Street Southeast.

  • Gerald R. Ford International Airport is approximately 14 miles from central Grand Rapids. Driving there takes about 20 minutes.

  • It takes roughly 1 hour 15 minutes to get there by public transport.

When to fly to Gerald R. Ford International Airport (GRR)

  • It's time to pick your dates for your flight from Ontario International Airport to Gerald R. Ford International Airport. July is the most popular month to head to Grand Rapids. If you like a more relaxed vibe, go in April.

  • The warmest month in Grand Rapids is July, with the temperature ranging between 13ºC (55ºF) and 29ºC (84ºF). Book your flights from Ontario International Airport to Gerald R. Ford International Airport in this month if you enjoy this type of weather.

  • If you like travelling in cooler conditions, look for a cheap ticket from ONT to GRR in January. Temperatures average between -12ºC (10ºF) and 2ºC (36ºF) then.

Explore more of United States

  • Chicago is just one of the many cities in United States waiting to be discovered once you've taken in the sights of Grand Rapids. Around 130 miles away to the south-west, its top attractions include Millennium Park, Art Institute of Chicago and LandShark Beer Garden at Navy Pier.

  • Around 250 miles south-east of Grand Rapids, Columbus is another essential stop in United States. Start your sightseeing at Franklin Park Conservatory and Botanical Gardens, Ohio Statehouse and German Village.

Plan the rest of your trip from Ontario to Grand Rapids

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.