$114+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
GRR — ONT
Sep 11 — Sep 181
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Grand Rapids to Ontario
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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 August 12, 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 August 12, 2026.
This Frontier deal was found by Cheapflights users on 8/11. 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 10/14:24 pm -
1 stop10h 23m
Tue 10/66:15 am -
1 stop6h 11m
Deal found 8/11![Frontier logo]()
$206
This Frontier deal was found by Cheapflights users on 8/11. 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 9/264:24 pm -
1 stop10h 23m
Sat 10/36:15 am -
1 stop6h 11m
Deal found 8/11![Frontier logo]()
$207
This Frontier deal was found by Cheapflights users on 8/11. 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 9/124:24 pm -
1 stop10h 23m
Sat 9/196:15 am -
1 stop6h 11m
Deal found 8/11![Frontier logo]()
$236
This Expedia deal was found by Cheapflights users on 8/12. 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 9/1411:59 am -
1 stop25h 31m
Sat 9/196:15 am -
1 stop6h 11m
Deal found 8/12![Frontier logo]()
$237
This CheapOair deal was found by Cheapflights users on 8/11. 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 9/1811:59 am -
1 stop14h 48m
Tue 9/226:15 am -
1 stop6h 11m
Deal found 8/11![Frontier logo]()
$239
This Frontier deal was found by Cheapflights users on 8/11. 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 9/104:24 pm -
1 stop10h 23m
Sun 9/136:15 am -
1 stop6h 11m
Deal found 8/11![Frontier logo]()
$262
This CheapOair deal was found by Cheapflights users on 8/11. 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 9/1111:59 am -
1 stop14h 48m
Mon 9/1411:45 am -
1 stop24h 41m
Deal found 8/11![Frontier logo]()
$269
This CheapOair deal was found by Cheapflights users on 8/11. 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.
Mon 9/1411:59 am -
1 stop14h 48m
Sun 9/206:15 am -
1 stop25h 47m
Deal found 8/11![Frontier logo]()
$272
This Expedia deal was found by Cheapflights users on 8/12. 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.
Fri 9/1111:59 am -
1 stop25h 31m
Sun 9/136:15 am -
1 stop25h 47m
Deal found 8/12![Frontier logo]()
$285
This Frontier deal was found by Cheapflights users on 8/11. 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 10/164:37 pm -
1 stop10h 18m
Mon 10/196:00 am -
1 stop6h 42m
Deal found 8/11![Frontier logo]()
$290
This Frontier deal was found by Cheapflights users on 8/7. 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 8/278:01 pm -
1 stop6h 49m
Sat 8/296:00 am -
1 stop10h 06m
Deal found 8/7![Frontier logo]()
$293
This Frontier deal was found by Cheapflights users on 8/11. 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 9/124:24 pm -
1 stop10h 23m
Sun 9/206:15 am -
1 stop6h 11m
Deal found 8/11![Frontier logo]()
$294
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 August 12, 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 August 12, 2026.
This Delta deal was found by Cheapflights users on 8/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:00 pm -
2 stops10h 47m
Tue 10/66:01 pm -
2 stops13h 52m
Deal found 8/11![Delta logo]()
$401
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Tue 2/22:10 pm -
2 stops11h 56m
Sat 2/61:00 pm -
2 stops7h 53m
Deal found 8/11![United Airlines logo]()
$437
This Southwest deal was found by Cheapflights users on 8/10. 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 10/141:35 pm -
1 stop9h 00m
Fri 10/231:05 pm -
2 stops7h 35m
Deal found 8/10![Southwest logo]()
$440
This Southwest deal was found by Cheapflights users on 8/9. 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 10/165:35 pm -
2 stops9h 10m
Mon 10/195:20 am -
2 stops8h 35m
Deal found 8/9![Southwest logo]()
$445
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Tue 8/255:24 pm -
1 stop8h 11m
Tue 9/19:01 am -
2 stops11h 55m
Deal found 8/11![United Airlines logo]()
$478
This Delta deal was found by Cheapflights users on 8/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:00 pm -
2 stops8h 47m
Tue 9/226:00 pm -
2 stops12h 54m
Deal found 8/8![Delta logo]()
$487
This Southwest deal was found by Cheapflights users on 8/9. 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 10/13:40 pm -
1 stop7h 00m
Mon 10/51:05 pm -
2 stops7h 35m
Deal found 8/9![Southwest logo]()
$482
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Sat 10/108:00 am -
1 stop7h 46m
Sat 10/175:00 am -
1 stop6h 47m
Deal found 8/7![United Airlines logo]()
$490
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Tue 11/103:42 pm -
1 stop8h 09m
Sun 11/155:00 am -
1 stop6h 36m
Deal found 8/9![United Airlines logo]()
$577
Last-minute flights from Grand Rapids to OntarioDiscover last-minute flight deals from Grand Rapids to Ontario. Data last updated August 12, 2026 and is based on user searches.
Discover last-minute flight deals from Grand Rapids to Ontario. Data last updated August 12, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 8/7. 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 8/278:01 pm -
1 stop6h 49m
Sat 8/296:00 am -
1 stop10h 06m
Deal found 8/7![Frontier logo]()
$293
This Frontier deal was found by Cheapflights users on 8/11. 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 9/104:24 pm -
1 stop10h 23m
Tue 9/156:15 am -
1 stop6h 11m
Deal found 8/11![Frontier logo]()
$206
This Frontier deal was found by Cheapflights users on 8/11. 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 9/104:24 pm -
1 stop10h 23m
Sun 9/136:15 am -
1 stop6h 11m
Deal found 8/11![Frontier logo]()
$262
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Thu 9/105:29 pm -
1 stop9h 07m
Tue 9/1510:25 am -
1 stop9h 29m
Deal found 8/10![American Airlines logo]()
$305
This CheapOair deal was found by Cheapflights users on 8/11. 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 9/1111:59 am -
1 stop14h 48m
Mon 9/1411:45 am -
1 stop24h 41m
Deal found 8/11![Frontier logo]()
$269
This Expedia deal was found by Cheapflights users on 8/12. 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.
Fri 9/1111:59 am -
1 stop25h 31m
Sun 9/136:15 am -
1 stop25h 47m
Deal found 8/12![Frontier logo]()
$285
This Frontier deal was found by Cheapflights users on 8/11. 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 9/124:24 pm -
1 stop10h 23m
Sat 9/196:15 am -
1 stop6h 11m
Deal found 8/11![Frontier logo]()
$236
This Frontier deal was found by Cheapflights users on 8/11. 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 9/124:24 pm -
1 stop10h 23m
Sun 9/206:15 am -
1 stop6h 11m
Deal found 8/11![Frontier logo]()
$294
This Expedia deal was found by Cheapflights users on 8/12. 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 9/1411:59 am -
1 stop25h 31m
Sat 9/196:15 am -
1 stop6h 11m
Deal found 8/12![Frontier logo]()
$237
This CheapOair deal was found by Cheapflights users on 8/11. 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.
Mon 9/1411:59 am -
1 stop14h 48m
Sun 9/206:15 am -
1 stop25h 47m
Deal found 8/11![Frontier logo]()
$272
This CheapOair deal was found by Cheapflights users on 8/11. 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 9/1811:59 am -
1 stop14h 48m
Tue 9/226:15 am -
1 stop6h 11m
Deal found 8/11![Frontier logo]()
$239
This Frontier deal was found by Cheapflights users on 8/11. 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 9/264:24 pm -
1 stop10h 23m
Sat 10/36:15 am -
1 stop6h 11m
Deal found 8/11![Frontier logo]()
$207
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 August 12, 2026.
Search for one-way flight options from Grand Rapids to Ontario. Find affordable one-way fares based on user searches. Data last updated August 12, 2026.
This CheapOair deal was found by Cheapflights users on 8/12. 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.
Mon 10/194:37 pm -
1 stop20h 52m
Deal found 8/12![Frontier logo]()
$114
This CheapOair deal was found by Cheapflights users on 8/11. 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 9/1811:59 am -
1 stop14h 48m
Deal found 8/11![Frontier logo]()
$137
This Super.com deal was found by Cheapflights users on 8/7. 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.
Fri 9/2511:59 am -
1 stop25h 31m
Deal found 8/7![Frontier logo]()
$141
This Southwest deal was found by Cheapflights users on 8/12. 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 10/195:35 pm -
2 stops9h 20m
Deal found 8/12![Southwest logo]()
$158
This Super.com deal was found by Cheapflights users on 8/9. 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 9/1411:59 am -
1 stop14h 48m
Deal found 8/9![Frontier logo]()
$162
This Frontier deal was found by Cheapflights users on 8/10. 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 10/164:37 pm -
1 stop10h 18m
Deal found 8/10![Frontier logo]()
$166
This Super.com deal was found by Cheapflights users on 8/10. 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 8/318:01 pm -
1 stop6h 49m
Deal found 8/10![Frontier logo]()
$167
This Trip.com deal was found by Cheapflights users on 8/10. 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 10/154:37 pm -
1 stop21h 06m
Deal found 8/10![Frontier logo]()
$168
This Super.com deal was found by Cheapflights users on 8/11. 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.
Sun 9/68:01 pm -
1 stop6h 49m
Deal found 8/11![Frontier logo]()
$172
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 August 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $206 (Frontier) |
One-way from | $114 (CheapOair) |
Popular in | March |
Cheapest in | October |
Average price | $506 |
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 August 12, 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 Grand Rapids Gerald R. Ford Intl - ONT Ontario
GRRONT
Grand Rapids Gerald R. Ford Intl
Thu 10/1
4:00 pm-11:47 pm
2 stops10h 47m
Ontario
Tue 10/6
6:01 pm-10:53 am
2 stops13h 52m
$401
Grand RapidsOntario
GRR Grand Rapids Gerald R. Ford Intl - ONT Ontario
GRRONT
Grand Rapids Gerald R. Ford Intl
Tue 2/2
2:10 pm-11:06 pm
2 stops11h 56m
Ontario
Sat 2/6
1:00 pm-11:53 pm
2 stops7h 53m
$437
Grand RapidsOntario
GRR Grand Rapids Gerald R. Ford Intl - ONT Ontario
GRRONT
Grand Rapids Gerald R. Ford Intl
Wed 10/14
1:35 pm-7:35 pm
1 stop9h 00m
Ontario
Fri 10/23
1:05 pm-11:40 pm
2 stops7h 35m
$440
Grand RapidsOntario
GRR Grand Rapids Gerald R. Ford Intl - ONT Ontario
GRRONT
Grand Rapids Gerald R. Ford Intl
Fri 10/16
5:35 pm-11:45 pm
2 stops9h 10m
Ontario
Mon 10/19
5:20 am-4:55 pm
2 stops8h 35m
$445
Grand RapidsOntario
GRR Grand Rapids Gerald R. Ford Intl - ONT Ontario
GRRONT
Grand Rapids Gerald R. Ford Intl
Tue 8/25
5:24 pm-10:35 pm
1 stop8h 11m
Ontario
Tue 9/1
9:01 am-11:56 pm
2 stops11h 55m
$478
Grand RapidsOntario
GRR Grand Rapids Gerald R. Ford Intl - ONT Ontario
GRRONT
Grand Rapids Gerald R. Ford Intl
Thu 10/1
3:40 pm-7:40 pm
1 stop7h 00m
Ontario
Mon 10/5
1:05 pm-11:40 pm
2 stops7h 35m
$482
Grand RapidsOntario
GRR Grand Rapids Gerald R. Ford Intl - ONT Ontario
GRRONT
Grand Rapids Gerald R. Ford Intl
Fri 9/18
6:00 pm-11:47 pm
2 stops8h 47m
Ontario
Tue 9/22
6:00 pm-9:54 am
2 stops12h 54m
$487
Quickest round-trip
Grand RapidsOntario
GRR Grand Rapids Gerald R. Ford Intl - ONT Ontario
GRRONT
Grand Rapids Gerald R. Ford Intl
Sat 10/10
8:00 am-12:46 pm
1 stop7h 46m
Ontario
Sat 10/17
5:00 am-2:47 pm
1 stop6h 47m
$490
Grand RapidsOntario
GRR Grand Rapids Gerald R. Ford Intl - ONT Ontario
GRRONT
Grand Rapids Gerald R. Ford Intl
Tue 11/10
3:42 pm-8:51 pm
1 stop8h 09m
Ontario
Sun 11/15
5:00 am-2:36 pm
1 stop6h 36m
$577
Cheapest one-way
Grand RapidsOntario
GRR Grand Rapids Gerald R. Ford Intl - ONT Ontario
GRRONT
Grand Rapids Gerald R. Ford Intl
Mon 10/19
5:35 pm-11:55 pm
2 stops9h 20m
$158
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| 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
What is the cheapest month to book a flight from Grand Rapids to Ontario?
Currently, October is the cheapest month in which you can book a flight from Grand Rapids to Ontario (average of $347). Flying from Grand Rapids to Ontario in March is currently the most expensive (average of $551). 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?
Airfare is below average for this route at the moment.
Grand Rapids to Ontario flights typically cost between $321 and $608 in October.The cheapest round-trip price found within the last 5 days was $206 on Frontier (Oct 1-Oct 6).
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 August 12, 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.
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
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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Top 5 airlines flying from Grand Rapids to Ontario
Discover the top 5 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 August 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$117 | Average$270 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$277 | Average$546 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$303 | Average$463 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$346 | Average$499 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$364 | Average$451 | FlexibilityNo cancel fee | On-time63% |