$118+ Cheap flights from Grand Rapids to Ontario (GRR - ONT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
GRR — ONT
Jul 29 — Aug 51
Round-trip
1 adult, Economy
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Find cheap flights from Grand Rapids to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Grand Rapids to OntarioExplore the most affordable flight options available from Grand Rapids to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 29, 2026.
Explore the most affordable flight options available from Grand Rapids to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 29, 2026.
This Frontier deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:33 pm
GRR
- ONT
1 stop6h 17m
Frontier
Sat 8/156:00 am
ONT
- GRR
1 stop10h 48m
Frontier
Deal found 6/24![Frontier logo]()
$260
This Expedia deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:33 pm
GRR
- ONT
1 stop16h 31m
Frontier
Sat 8/226:00 am
ONT
- GRR
1 stop10h 06m
Frontier
Deal found 6/25![Frontier logo]()
$262
This Frontier deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:01 pm
GRR
- ONT
1 stop6h 49m
Frontier
Mon 8/316:00 am
ONT
- GRR
1 stop10h 06m
Frontier
Deal found 6/28![Frontier logo]()
$274
This CheapOair deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:29 pm
GRR
- ONT
1 stop16h 35m
Frontier
Wed 9/27:56 pm
ONT
- GRR
1 stop20h 10m
Frontier
Deal found 6/27![Frontier logo]()
$284
This CheapOair deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:01 pm
GRR
- ONT
1 stop17h 03m
Frontier
Wed 9/27:56 pm
ONT
- GRR
1 stop20h 10m
Frontier
Deal found 6/24![Frontier logo]()
$287
This Expedia deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:01 pm
GRR
- ONT
1 stop17h 03m
Frontier
Thu 8/276:00 am
ONT
- GRR
1 stop10h 06m
Frontier
Deal found 6/28![Frontier logo]()
$304
This Frontier deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:01 pm
GRR
- ONT
1 stop6h 54m
Frontier
Sun 8/306:00 am
ONT
- GRR
1 stop10h 06m
Frontier
Deal found 6/24![Frontier logo]()
$308
This Frontier deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/188:25 pm
GRR
- ONT
1 stop6h 25m
Frontier
Mon 7/2010:49 am
ONT
- GRR
1 stop5h 51m
Frontier
Deal found 6/24![Frontier logo]()
$315
This American Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:29 pm
GRR
- ONT
1 stop8h 30m
American Airlines
Tue 8/2512:33 pm
ONT
- GRR
1 stop7h 19m
American Airlines
Deal found 6/28![American Airlines logo]()
$323
This American Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:18 am
GRR
- ONT
2 stops13h 57m
American Airlines
Thu 8/2712:33 pm
ONT
- GRR
1 stop7h 19m
American Airlines
Deal found 6/28![American Airlines logo]()
$330
Best flights from Grand Rapids to OntarioDiscover carefully curated flight deals from Grand Rapids to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 29, 2026.
Discover carefully curated flight deals from Grand Rapids to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 29, 2026.
This Frontier deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:33 pm
GRR
- ONT
1 stop6h 17m
Frontier
Sun 8/1610:49 am
ONT
- GRR
1 stop5h 59m
Frontier
Deal found 6/27![Frontier logo]()
$274
This Southwest deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:20 pm
GRR
- ONT
1 stop9h 30m
Southwest
Tue 10/277:00 am
ONT
- GRR
1 stop6h 35m
Southwest
Deal found 6/27![Southwest logo]()
$346
This American Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:18 am
GRR
- ONT
2 stops13h 57m
American Airlines
Thu 8/2712:59 pm
ONT
- GRR
2 stops8h 42m
American Airlines
Deal found 6/28![American Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:10 pm
GRR
- ONT
1 stop7h 49m
United Airlines
Tue 9/226:00 am
ONT
- GRR
1 stop7h 10m
United Airlines
Deal found 6/27![United Airlines logo]()
$395
This Southwest deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:10 pm
GRR
- ONT
2 stops10h 45m
Southwest
Thu 11/195:50 am
ONT
- GRR
1 stop5h 45m
Southwest
Deal found 6/25![Southwest logo]()
$408
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:35 pm
GRR
- ONT
1 stop7h 59m
American Airlines
Mon 7/277:15 pm
ONT
- GRR
2 stops12h 37m
American Airlines
Deal found 6/25![American Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:45 pm
GRR
- ONT
1 stop8h 50m
Southwest
Sun 9/136:40 am
ONT
- GRR
1 stop7h 35m
Southwest
Deal found 6/24![Southwest logo]()
$423
This Southwest deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/182:25 pm
GRR
- ONT
2 stops9h 15m
Southwest
Tue 9/2210:55 am
ONT
- GRR
2 stops8h 55m
Southwest
Deal found 6/27![Southwest logo]()
$423
This Southwest deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:20 pm
GRR
- ONT
1 stop6h 15m
Southwest
Sun 9/208:10 am
ONT
- GRR
1 stop6h 05m
Southwest
Deal found 6/24![Southwest logo]()
$423
This Southwest deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:10 pm
GRR
- ONT
1 stop6h 20m
Southwest
Fri 11/275:35 am
ONT
- GRR
1 stop5h 55m
Southwest
Deal found 6/25![Southwest logo]()
$435
Last-minute flights from Grand Rapids to OntarioDiscover last-minute flight deals from Grand Rapids to Ontario. Data last updated June 29, 2026 and is based on user searches.
Discover last-minute flight deals from Grand Rapids to Ontario. Data last updated June 29, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/108:25 pm
GRR
- ONT
1 stop16h 39m
Frontier
Mon 7/136:00 am
ONT
- GRR
1 stop10h 40m
Frontier
Deal found 6/25![Frontier logo]()
$358
This Booking.com deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/168:25 pm
GRR
- ONT
1 stop16h 39m
Frontier
Mon 7/2010:49 am
ONT
- GRR
1 stop5h 51m
Frontier
Deal found 6/27![Frontier logo]()
$368
This Frontier deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:25 pm
GRR
- ONT
1 stop6h 25m
Frontier
Mon 7/206:00 am
ONT
- GRR
1 stop10h 40m
Frontier
Deal found 6/24![Frontier logo]()
$359
This Frontier deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/188:25 pm
GRR
- ONT
1 stop6h 25m
Frontier
Mon 7/2010:49 am
ONT
- GRR
1 stop5h 51m
Frontier
Deal found 6/24![Frontier logo]()
$315
This Booking.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/198:25 pm
GRR
- ONT
1 stop6h 25m
Frontier
Sat 8/16:00 am
ONT
- GRR
1 stop10h 40m
Frontier
Deal found 6/28![Frontier logo]()
$402
This Frontier deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/208:25 pm
GRR
- ONT
1 stop6h 25m
Frontier
Mon 7/276:00 am
ONT
- GRR
1 stop10h 40m
Frontier
Deal found 6/26![Frontier logo]()
$388
This Frontier deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/208:25 pm
GRR
- ONT
1 stop6h 25m
Frontier
Sat 7/256:00 am
ONT
- GRR
1 stop10h 40m
Frontier
Deal found 6/25![Frontier logo]()
$418
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:35 pm
GRR
- ONT
1 stop7h 59m
American Airlines
Mon 7/2710:10 pm
ONT
- GRR
1 stop9h 42m
American Airlines
Deal found 6/25![American Airlines logo]()
$423
This Trip.com deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/238:25 pm
GRR
- ONT
1 stop6h 25m
Frontier
Sat 7/2510:49 am
ONT
- GRR
1 stop5h 51m
Frontier
Deal found 6/26![Frontier logo]()
$412
One-way flights from Grand Rapids to OntarioSearch for one-way flight options from Grand Rapids to Ontario. Find affordable one-way fares based on user searches. Data last updated June 29, 2026.
Search for one-way flight options from Grand Rapids to Ontario. Find affordable one-way fares based on user searches. Data last updated June 29, 2026.
This Super.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:01 pm
GRR
- ONT
1 stop6h 49m
Frontier
Deal found 6/28![Frontier logo]()
$118
This Super.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:33 pm
GRR
- ONT
1 stop6h 17m
Frontier
Deal found 6/28![Frontier logo]()
$119
This Super.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:25 pm
GRR
- ONT
1 stop6h 25m
Frontier
Deal found 6/25![Frontier logo]()
$152
This Frontier deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/318:25 pm
GRR
- ONT
1 stop6h 25m
Frontier
Deal found 6/25![Frontier logo]()
$154
This Super.com deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:25 pm
GRR
- ONT
1 stop16h 39m
Frontier
Deal found 6/26![Frontier logo]()
$157
This American Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/295:43 pm
GRR
- ONT
1 stop7h 51m
American Airlines
Deal found 6/28![American Airlines logo]()
$162
This Southwest deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:55 pm
GRR
- ONT
1 stop8h 15m
Southwest
Deal found 6/25![Southwest logo]()
$164
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:00 am
GRR
- ONT
2 stops10h 12m
United Airlines
Deal found 6/28![United Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/272:57 pm
GRR
- ONT
2 stops22h 07m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$173
This Frontier deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/118:25 pm
GRR
- ONT
1 stop6h 25m
Frontier
Deal found 6/26![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/202:57 pm
GRR
- ONT
2 stops44h 06m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$178
Find flight deals from Grand Rapids to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Grand Rapids (GRR) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $260 (Frontier) |
One-way from | $118 (Super.com) |
Popular in | July |
Cheapest in | September |
Average price | $513 |
Cheapflights Fare Finder
Customize your flight search to find flights from Grand Rapids to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 29, 2026.
Use the filters below to find and compare flights from Grand Rapids to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Grand RapidsOntario
GRR - ONT
GRRONT
Grand Rapids Gerald R. Ford Intl
Thu 8/13
8:33 pm-11:50 pm
1 stop6h 17m
Ontario
Sun 8/16
10:49 am-7:48 pm
1 stop5h 59m
$274
Grand RapidsOntario
GRR - ONT
GRRONT
Grand Rapids Gerald R. Ford Intl
Thu 10/22
1:20 pm-7:50 pm
1 stop9h 30m
Ontario
Tue 10/27
7:00 am-4:35 pm
1 stop6h 35m
$346
Grand RapidsOntario
GRR - ONT
GRRONT
Grand Rapids Gerald R. Ford Intl
Sat 8/22
7:18 am-6:15 pm
2 stops13h 57m
Ontario
Thu 8/27
12:59 pm-12:41 am
2 stops8h 42m
$373
Grand RapidsOntario
GRR - ONT
GRRONT
Grand Rapids Gerald R. Ford Intl
Fri 9/18
6:10 pm-10:59 pm
1 stop7h 49m
Ontario
Tue 9/22
6:00 am-4:10 pm
1 stop7h 10m
$395
Grand RapidsOntario
GRR - ONT
GRRONT
Grand Rapids Gerald R. Ford Intl
Thu 11/12
3:10 pm-10:55 pm
2 stops10h 45m
Ontario
Thu 11/19
5:50 am-2:35 pm
1 stop5h 45m
$408
Grand RapidsOntario
GRR - ONT
GRRONT
Grand Rapids Gerald R. Ford Intl
Wed 9/9
1:45 pm-7:35 pm
1 stop8h 50m
Ontario
Sun 9/13
6:40 am-5:15 pm
1 stop7h 35m
$423
Grand RapidsOntario
GRR - ONT
GRRONT
Grand Rapids Gerald R. Ford Intl
Fri 9/18
2:25 pm-8:40 pm
2 stops9h 15m
Ontario
Tue 9/22
10:55 am-10:50 pm
2 stops8h 55m
$423
Grand RapidsOntario
GRR - ONT
GRRONT
Grand Rapids Gerald R. Ford Intl
Wed 9/16
4:20 pm-7:35 pm
1 stop6h 15m
Ontario
Sun 9/20
8:10 am-5:15 pm
1 stop6h 05m
$423
Grand RapidsOntario
GRR - ONT
GRRONT
Grand Rapids Gerald R. Ford Intl
Tue 7/21
5:35 pm-10:34 pm
1 stop7h 59m
Ontario
Mon 7/27
7:15 pm-10:52 am
2 stops12h 37m
$429
Quickest round-trip
Grand RapidsOntario
GRR - ONT
GRRONT
Grand Rapids Gerald R. Ford Intl
Thu 11/12
3:10 pm-6:30 pm
1 stop6h 20m
Ontario
Fri 11/27
5:35 am-2:30 pm
1 stop5h 55m
$435
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Grand Rapids to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Grand Rapids to Ontario in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Grand Rapids-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Grand Rapids-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Grand Rapids-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Grand Rapids-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Grand Rapids-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Grand Rapids to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Grand Rapids with our price prediction graph.
GRR-ONT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Grand Rapids to Ontario
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What is the cheapest month to book a flight from Grand Rapids to Ontario?
Currently, September is the cheapest month in which you can book a flight from Grand Rapids to Ontario (average of $303). Flying from Grand Rapids to Ontario in July is currently the most expensive (average of $699). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Grand Rapids to Ontario?
What’s the top layover airport for flights from Grand Rapids to Ontario?
Share of 1-stop round-trip flights from Grand Rapids to Ontario chosen by Cheapflights users in the past 12 months, using the same layover each way.
Chicago (MDW) – chosen by Cheapflights users on 67% of 1-stop itineraries from Grand Rapids to Ontario on Cheapflights.
What’s the cheapest layover airport for flights from Grand Rapids to Ontario?
Average round-trip fare for 1-stop flights from Grand Rapids to Ontario, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $321.
What’s the fastest layover option from Grand Rapids to Ontario?
Shortest average travel time for 1-stop one-way flights from Grand Rapids to Ontario, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 6h 21m.
Which airport typically offers the quickest layover for flights from Grand Rapids to Ontario?
Average layover duration for 1-stop one-way flights from Grand Rapids to Ontario, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 3h 23m.
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated June 29, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Grand Rapids to Ontario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Grand Rapids to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Grand Rapids to Ontario
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Grand Rapids to Ontario by cabin class
Find flights from Grand Rapids to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 29, 2026.
Grand Rapids and Ontario flights
Browse other Grand Rapids and Ontario flight options. Last updated on June 29, 2026.
Other flights from Grand Rapids
Browse through other flights departing from Grand Rapids. Flights are based on user searches made on Cheapflights and were last updated on June 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Grand Rapids to Ontario
Discover the top 4 airlines that operate flights from Grand Rapids to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$277 | Average$563 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$303 | Average$461 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$324 | Average$492 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$346 | Average$459 | FlexibilityNo cancel fee | On-time69% |