$80+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
GRR — ONT
May 17 — May 241
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
Last-minute
One-way
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 April 17, 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 April 17, 2026.
This Frontier deal was found by Cheapflights users on 4/15. 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 5/238:29 pm
GRR
- ONT
1 stop16h 36m
Frontier
Sat 5/3010:50 am
ONT
- GRR
1 stop5h 54m
Frontier
Deal found 4/15![Frontier logo]()
$185
This Booking.com deal was found by Cheapflights users on 4/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/238:29 pm
GRR
- ONT
1 stop16h 36m
Frontier
Fri 5/296:00 am
ONT
- GRR
1 stop10h 44m
Frontier
Deal found 4/12![Frontier logo]()
$198
This Frontier deal was found by Cheapflights users on 4/13. 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 5/48:48 pm
GRR
- ONT
1 stop6h 07m
Frontier
Fri 5/86:00 am
ONT
- GRR
1 stop10h 47m
Frontier
Deal found 4/13![Frontier logo]()
$205
This Frontier deal was found by Cheapflights users on 4/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:29 pm
GRR
- ONT
1 stop6h 20m
Frontier
Fri 6/56:00 am
ONT
- GRR
1 stop10h 44m
Frontier
Deal found 4/12![Frontier logo]()
$210
This Booking.com deal was found by Cheapflights users on 4/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:48 pm
GRR
- ONT
1 stop6h 07m
Frontier
Sun 5/312:59 am
ONT
- GRR
1 stop16h 04m
Frontier
Deal found 4/12![Frontier logo]()
$213
This Booking.com deal was found by Cheapflights users on 4/17. 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.
Fri 5/158:32 pm
GRR
- ONT
1 stop16h 33m
Frontier
Fri 5/226:00 am
ONT
- GRR
1 stop10h 44m
Frontier
Deal found 4/17![Frontier logo]()
$218
This Frontier deal was found by Cheapflights users on 4/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:29 pm
GRR
- ONT
1 stop6h 20m
Frontier
Fri 6/56:00 am
ONT
- GRR
1 stop10h 44m
Frontier
Deal found 4/12![Frontier logo]()
$230
This Expedia deal was found by Cheapflights users on 4/15. 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 5/18:48 pm
GRR
- ONT
1 stop6h 07m
Frontier
Fri 5/86:00 am
ONT
- GRR
1 stop10h 47m
Frontier
Deal found 4/15![Frontier logo]()
$235
This Frontier deal was found by Cheapflights users on 4/13. 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 6/88:29 pm
GRR
- ONT
1 stop6h 20m
Frontier
Fri 7/106:00 am
ONT
- GRR
1 stop10h 44m
Frontier
Deal found 4/13![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 4/13. 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 6/68:29 pm
GRR
- ONT
1 stop6h 20m
Frontier
Fri 7/106:00 am
ONT
- GRR
1 stop10h 44m
Frontier
Deal found 4/13![Frontier logo]()
$270
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 April 17, 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 April 17, 2026.
This Southwest deal was found by Cheapflights users on 4/12. 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.
Fri 6/126:00 pm
GRR
- ONT
2 stops9h 05m
Southwest
Mon 6/159:40 pm
ONT
- GRR
1 stop12h 30m
Southwest
Deal found 4/12![Southwest logo]()
$478
This United Airlines deal was found by Cheapflights users on 4/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:30 pm
GRR
- ONT
1 stop8h 06m
United Airlines
Wed 5/131:40 pm
ONT
- GRR
1 stop6h 02m
United Airlines
Deal found 4/12![United Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 4/14. 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.
Wed 6/106:00 am
GRR
- ONT
1 stop7h 40m
Delta
Fri 7/1011:48 am
ONT
- GRR
1 stop9h 06m
Delta
Deal found 4/14![Delta logo]()
$493
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/912:28 pm
GRR
- ONT
2 stops13h 11m
Alaska Airlines
Fri 10/236:00 am
ONT
- GRR
2 stops11h 47m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$653
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Wed 7/156:25 pm
GRR
- ONT
1 stop7h 26m
United Airlines
Tue 8/115:00 am
ONT
- GRR
1 stop6h 36m
United Airlines
Deal found 4/16![United Airlines logo]()
$498
This Southwest deal was found by Cheapflights users on 4/17. 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 5/154:40 pm
GRR
- ONT
2 stops9h 25m
Southwest
Fri 5/2212:40 pm
ONT
- GRR
2 stops8h 05m
Southwest
Deal found 4/17![Southwest logo]()
$513
This United Airlines deal was found by Cheapflights users on 4/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/44:57 pm
GRR
- ONT
1 stop8h 38m
United Airlines
Fri 5/86:59 pm
ONT
- GRR
2 stops13h 09m
United Airlines
Deal found 4/12![United Airlines logo]()
$574
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:00 am
GRR
- ONT
2 stops12h 09m
Alaska Airlines
Tue 6/95:57 pm
ONT
- GRR
2 stops12h 20m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$654
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Mon 5/43:30 pm
GRR
- ONT
1 stop8h 06m
United Airlines
Thu 5/71:40 pm
ONT
- GRR
1 stop6h 02m
United Airlines
Deal found 4/15![United Airlines logo]()
$623
Last-minute flights from Grand Rapids to OntarioDiscover last-minute flight deals from Grand Rapids to Ontario. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from Grand Rapids to Ontario. Data last updated April 17, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 4/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:48 pm
GRR
- ONT
1 stop6h 07m
Frontier
Sun 5/312:59 am
ONT
- GRR
1 stop16h 04m
Frontier
Deal found 4/12![Frontier logo]()
$213
This Expedia deal was found by Cheapflights users on 4/15. 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 5/18:48 pm
GRR
- ONT
1 stop6h 07m
Frontier
Fri 5/86:00 am
ONT
- GRR
1 stop10h 47m
Frontier
Deal found 4/15![Frontier logo]()
$235
This Frontier deal was found by Cheapflights users on 4/13. 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 5/48:48 pm
GRR
- ONT
1 stop6h 07m
Frontier
Fri 5/86:00 am
ONT
- GRR
1 stop10h 47m
Frontier
Deal found 4/13![Frontier logo]()
$205
This Frontier deal was found by Cheapflights users on 4/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:48 pm
GRR
- ONT
1 stop6h 07m
Frontier
Mon 5/1110:50 am
ONT
- GRR
1 stop5h 54m
Frontier
Deal found 4/12![Frontier logo]()
$270
This Booking.com deal was found by Cheapflights users on 4/17. 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.
Fri 5/158:32 pm
GRR
- ONT
1 stop16h 33m
Frontier
Fri 5/226:00 am
ONT
- GRR
1 stop10h 44m
Frontier
Deal found 4/17![Frontier logo]()
$218
This Frontier deal was found by Cheapflights users on 4/16. 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 5/158:32 pm
GRR
- ONT
1 stop6h 17m
Frontier
Mon 5/186:00 am
ONT
- GRR
1 stop10h 44m
Frontier
Deal found 4/16![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 4/15. 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 5/238:29 pm
GRR
- ONT
1 stop16h 36m
Frontier
Sat 5/3010:50 am
ONT
- GRR
1 stop5h 54m
Frontier
Deal found 4/15![Frontier logo]()
$185
This Booking.com deal was found by Cheapflights users on 4/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/238:29 pm
GRR
- ONT
1 stop16h 36m
Frontier
Fri 5/296:00 am
ONT
- GRR
1 stop10h 44m
Frontier
Deal found 4/12![Frontier logo]()
$198
This Frontier deal was found by Cheapflights users on 4/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:29 pm
GRR
- ONT
1 stop6h 20m
Frontier
Fri 6/56:00 am
ONT
- GRR
1 stop10h 44m
Frontier
Deal found 4/12![Frontier logo]()
$210
This Frontier deal was found by Cheapflights users on 4/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:29 pm
GRR
- ONT
1 stop6h 20m
Frontier
Fri 6/56:00 am
ONT
- GRR
1 stop10h 44m
Frontier
Deal found 4/12![Frontier logo]()
$230
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 April 17, 2026.
Search for one-way flight options from Grand Rapids to Ontario. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This Frontier deal was found by Cheapflights users on 4/15. 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 5/98:29 pm
GRR
- ONT
1 stop6h 20m
Frontier
Deal found 4/15![Frontier logo]()
$80
This Booking.com deal was found by Cheapflights users on 4/14. 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.
Fri 5/158:32 pm
GRR
- ONT
1 stop16h 33m
Frontier
Deal found 4/14![Frontier logo]()
$86
This Frontier deal was found by Cheapflights users on 4/13. 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 6/88:29 pm
GRR
- ONT
1 stop6h 20m
Frontier
Deal found 4/13![Frontier logo]()
$105
This Booking.com deal was found by Cheapflights users on 4/14. 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.
Mon 6/18:29 pm
GRR
- ONT
1 stop16h 36m
Frontier
Deal found 4/14![Frontier logo]()
$111
This Frontier deal was found by Cheapflights users on 4/13. 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 5/308:29 pm
GRR
- ONT
1 stop6h 20m
Frontier
Deal found 4/13![Frontier logo]()
$125
This Super.com deal was found by Cheapflights users on 4/15. 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 6/298:29 pm
GRR
- ONT
1 stop6h 20m
Frontier
Deal found 4/15![Frontier logo]()
$144
This Frontier deal was found by Cheapflights users on 4/14. 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 6/128:29 pm
GRR
- ONT
1 stop6h 20m
Frontier
Deal found 4/14![Frontier logo]()
$145
This Booking.com deal was found by Cheapflights users on 4/13. 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.
Sat 5/168:29 pm
GRR
- ONT
1 stop16h 36m
Frontier
Deal found 4/13![Frontier logo]()
$152
This Super.com deal was found by Cheapflights users on 4/16. 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 5/18:48 pm
GRR
- ONT
1 stop6h 07m
Frontier
Deal found 4/16![Frontier logo]()
$155
This CheapOair deal was found by Cheapflights users on 4/14. 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 6/118:29 pm
GRR
- ONT
1 stop16h 36m
Frontier
Deal found 4/14![Frontier logo]()
$157
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 April 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $185 (Frontier) |
One-way from | $80 (Frontier) |
Popular in | July |
Cheapest in | October |
Average price | $492 |
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 April 17, 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
Fri 6/12
6:00 pm-12:05 am
2 stops9h 05m
Ontario
Mon 6/15
9:40 pm-1:10 pm
1 stop12h 30m
$478
Grand RapidsOntario
GRR - ONT
GRRONT
Grand Rapids Gerald R. Ford Intl
Tue 5/5
3:30 pm-8:36 pm
1 stop8h 06m
Ontario
Wed 5/13
1:40 pm-10:42 pm
1 stop6h 02m
$479
Grand RapidsOntario
GRR - ONT
GRRONT
Grand Rapids Gerald R. Ford Intl
Wed 6/10
6:00 am-10:40 am
1 stop7h 40m
Ontario
Fri 7/10
11:48 am-11:54 pm
1 stop9h 06m
$493
Quickest round-trip
Grand RapidsOntario
GRR - ONT
GRRONT
Grand Rapids Gerald R. Ford Intl
Wed 7/15
6:25 pm-10:51 pm
1 stop7h 26m
Ontario
Tue 8/11
5:00 am-2:36 pm
1 stop6h 36m
$498
Grand RapidsOntario
GRR - ONT
GRRONT
Grand Rapids Gerald R. Ford Intl
Fri 5/15
4:40 pm-11:05 pm
2 stops9h 25m
Ontario
Fri 5/22
12:40 pm-11:45 pm
2 stops8h 05m
$513
Grand RapidsOntario
GRR - ONT
GRRONT
Grand Rapids Gerald R. Ford Intl
Mon 5/4
4:57 pm-10:35 pm
1 stop8h 38m
Ontario
Fri 5/8
6:59 pm-11:08 am
2 stops13h 09m
$574
Grand RapidsOntario
GRR - ONT
GRRONT
Grand Rapids Gerald R. Ford Intl
Mon 5/4
3:30 pm-8:36 pm
1 stop8h 06m
Ontario
Thu 5/7
1:40 pm-10:42 pm
1 stop6h 02m
$623
Grand RapidsOntario
GRR - ONT
GRRONT
Grand Rapids Gerald R. Ford Intl
Fri 10/9
12:28 pm-10:39 pm
2 stops13h 11m
Ontario
Fri 10/23
6:00 am-8:47 pm
2 stops11h 47m
$653
Grand RapidsOntario
GRR - ONT
GRRONT
Grand Rapids Gerald R. Ford Intl
Thu 5/28
6:00 am-3:09 pm
2 stops12h 09m
Ontario
Tue 6/9
5:57 pm-9:17 am
2 stops12h 20m
$654
Cheapest one-way
Grand RapidsOntario
GRR - ONT
GRRONT
Grand Rapids Gerald R. Ford Intl
Sat 5/23
8:29 pm-10:05 am
1 stop16h 36m
$86
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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 $346). Flying from Grand Rapids to Ontario in July is currently the most expensive (average of $681). 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?
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 April 17, 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.
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Ontario flight routes
Other flight options
Other flights from Grand Rapids
Popular flights
Alternative routes for Grand Rapids to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
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 April 17, 2026.
Grand Rapids and Ontario flights
Browse other Grand Rapids and Ontario flight options. Last updated on April 17, 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 April 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 April 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$117 | Average$224 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$277 | Average$546 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$324 | Average$517 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$336 | Average$413 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$347 | Average$446 | FlexibilityNo cancel fee | On-time69% |