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Cheap flights from Grand Rapids to Los Angeles from $117

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Grand Rapids to Los Angeles departing on 1/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Grand Rapids to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:44 pm - 11:28 amGRR-ONT
21h 44m1 stop
Frontier Logo
12:58 am - 3:49 pmONT-GRR
11h 51m1 stop
$144Frontier
Find Deal
Tue, Nov 25 - Sun, Nov 30
Multiple Airlines Logo
4:30 pm - 9:17 pmGRR-ONT
7h 47m1 stop
Multiple Airlines Logo
6:15 am - 10:36 pmONT-GRR
13h 21m2 stops
$307Multiple Airlines
Find Deal
Fri, Dec 12 - Mon, Dec 15
United Airlines Logo
3:25 pm - 8:42 pmGRR-ONT
8h 17m1 stop
United Airlines Logo
1:34 pm - 10:29 pmONT-GRR
5h 55m1 stop
$377United Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
American Airlines Logo
7:39 am - 11:41 amGRR-ONT
7h 02m1 stop
American Airlines Logo
11:12 pm - 10:47 amONT-GRR
8h 35m1 stop
$378American Airlines
Find Deal
Wed, Mar 4 - Tue, Mar 17
Delta Logo
1:00 pm - 6:15 pmGRR-ONT
8h 15m1 stop
Delta Logo
12:00 pm - 11:08 pmONT-GRR
8h 08m1 stop
$379Delta
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Tue, Apr 14 - Wed, Apr 15
United Airlines Logo
9:30 am - 5:37 pmGRR-ONT
11h 07m2 stops
United Airlines Logo
1:34 pm - 10:29 pmONT-GRR
5h 55m1 stop
$382United Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
American Airlines Logo
12:22 pm - 7:00 pmGRR-ONT
9h 38m2 stops
American Airlines Logo
6:46 am - 5:49 pmONT-GRR
8h 03m1 stop
$383American Airlines
Find Deal
Wed, Mar 4 - Tue, Mar 17
Delta Logo
4:09 pm - 11:44 pmGRR-ONT
10h 35m2 stops
Delta Logo
12:00 pm - 11:08 pmONT-GRR
8h 08m1 stop
$384Delta
Find Deal
Tue, Apr 14 - Wed, Apr 15
Southwest Logo
8:45 am - 1:50 pmGRR-ONT
8h 05m2 stops
Southwest Logo
9:45 pm - 11:55 amONT-GRR
11h 10m2 stops
$394Southwest
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Wed, Mar 4 - Tue, Mar 17
Southwest Logo
6:30 am - 12:30 pmGRR-ONT
9h 00m2 stops
Southwest Logo
8:30 am - 9:10 pmONT-GRR
9h 40m2 stops
$434Southwest
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Fri, Dec 12 - Mon, Dec 15

Frontier flights from Grand Rapids to Ontario

Our best Frontier deals on Grand Rapids to Ontario flight tickets
Frontier
Nov 25
GRR4:44 pmGrand Rapids Gerald R. Ford Intl
21h 44m
1 stop
ONT11:28 amOntario
Nov 30
ONT12:58 amOntario
11h 51m
1 stop
GRR3:49 pmGrand Rapids Gerald R. Ford Intl
$144
Find similar
Frontier
Nov 23
GRR4:44 pmGrand Rapids Gerald R. Ford Intl
10h 13m
1 stop
ONT11:57 pmOntario
Nov 30
ONT12:58 amOntario
11h 51m
1 stop
GRR3:49 pmGrand Rapids Gerald R. Ford Intl
$238
Find similar
Frontier
Nov 13
GRR8:49 pmGrand Rapids Gerald R. Ford Intl
17h 21m
1 stop
ONT11:10 amOntario
Nov 15
ONT12:05 pmOntario
28h 48m
1 stop
GRR7:53 pmGrand Rapids Gerald R. Ford Intl
$282
Find similar

United Airlines flights from Grand Rapids to Ontario

Our best United Airlines deals on Grand Rapids to Ontario flight tickets
United Airlines
Dec 10
GRR3:25 pmGrand Rapids Gerald R. Ford Intl
8h 17m
1 stop
ONT8:42 pmOntario
Dec 13
ONT1:34 pmOntario
5h 55m
1 stop
GRR10:29 pmGrand Rapids Gerald R. Ford Intl
$377
Find similar
United Airlines
Dec 10
GRR9:30 amGrand Rapids Gerald R. Ford Intl
11h 07m
2 stops
ONT5:37 pmOntario
Dec 13
ONT1:34 pmOntario
5h 55m
1 stop
GRR10:29 pmGrand Rapids Gerald R. Ford Intl
$382
Find similar
United Airlines
Dec 13
GRR3:25 pmGrand Rapids Gerald R. Ford Intl
8h 17m
1 stop
ONT8:42 pmOntario
Dec 16
ONT1:34 pmOntario
5h 55m
1 stop
GRR10:29 pmGrand Rapids Gerald R. Ford Intl
$467
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 10, 2025.
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

Price

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Tue 11/25

4:44 pm-11:28 am

1 stop21h 44m

Ontario

Sun 11/30

12:58 am-3:49 pm

1 stop11h 51m

$144

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Fri 12/12

4:30 pm-9:17 pm

1 stop7h 47m

Ontario

Mon 12/15

6:15 am-10:36 pm

2 stops13h 21m

$307

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Wed 12/10

3:25 pm-8:42 pm

1 stop8h 17m

Ontario

Sat 12/13

1:34 pm-10:29 pm

1 stop5h 55m

$377

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Wed 3/4

7:39 am-11:41 am

1 stop7h 02m

Ontario

Tue 3/17

11:12 pm-10:47 am

1 stop8h 35m

$378

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Tue 4/14

1:00 pm-6:15 pm

1 stop8h 15m

Ontario

Wed 4/15

12:00 pm-11:08 pm

1 stop8h 08m

$379

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Wed 12/10

9:30 am-5:37 pm

2 stops11h 07m

Ontario

Sat 12/13

1:34 pm-10:29 pm

1 stop5h 55m

$382

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Wed 3/4

12:22 pm-7:00 pm

2 stops9h 38m

Ontario

Tue 3/17

6:46 am-5:49 pm

1 stop8h 03m

$383

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Tue 4/14

4:09 pm-11:44 pm

2 stops10h 35m

Ontario

Wed 4/15

12:00 pm-11:08 pm

1 stop8h 08m

$384

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Wed 3/4

8:45 am-1:50 pm

2 stops8h 05m

Ontario

Tue 3/17

9:45 pm-11:55 am

2 stops11h 10m

$394

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Fri 12/12

6:30 am-12:30 pm

2 stops9h 00m

Ontario

Mon 12/15

8:30 am-9:10 pm

2 stops9h 40m

$434

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Grand Rapids to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ontario?

In general, October is the cheapest month to fly from Grand Rapids to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $346. If you aren’t able to travel during the month of October, then book flights to Ontario from Grand Rapids during May instead. Flights to Ontario in May, while not as cheap as those in October, still average around $401.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Saturday when prices can be found for as low as $337. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Grand Rapids to Ontario for around $536.

What is the cheapest time of day to depart on your flight to Ontario?

In the evening is the cheapest time of day to fly from Grand Rapids to Ontario when you can find flight prices for as low as $252. Flying to Ontario in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $504 on average. Flights to Ontario from Grand Rapids at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Ontario?

You are more likely to see cheaper flights to Ontario from Grand Rapids when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $488 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Grand Rapids for as low as $120 on momondo.

How have Grand Rapids to Ontario flight prices changed over time?

As of November 2025, prices for Grand Rapids to Ontario flights are approximately 108% more expensive when compared to flights at the same time last year.

When to book flights from Grand Rapids to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Grand Rapids to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Grand Rapids to Ontario (GRR to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Grand Rapids to Ontario

Direct flights

None
There are no direct flights from Grand Rapids to Ontario. There are no popular flight routes from Grand Rapids to Ontario.
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  • How far is Grand Rapids Gerald R. Ford Intl to Ontario by plane?

    Ontario is 1820.7 mi away from Grand Rapids Gerald R. Ford Intl. 6h 32m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Grand Rapids Gerald R. Ford Intl Airport to Ontario Airport?

    Prices for flights from Grand Rapids Gerald R. Ford Intl Airport to Ontario Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Grand Rapids Gerald R. Ford Intl Airport to Ontario Airport?

  • How old do you have to be to fly from Grand Rapids Gerald R. Ford Intl Airport to Ontario Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Grand Rapids Gerald R. Ford Intl Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Grand Rapids to Ontario?

Best airlines flying from Grand Rapids to Ontario

Compare and see reviews for airlines that fly from Grand Rapids to Ontario with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $120Free CancellationRating
5.8
3,113 reviews
Search Frontier flights
DeltaPriceFrom $283Free CancellationRating
7.9
8,007 reviews
Search Delta flights
SouthwestPriceFrom $324Free CancellationRating
8.0
4,235 reviews
Search Southwest flights
American AirlinesPriceFrom $334Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
United AirlinesPriceFrom $363Free CancellationRating
7.4
9,012 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Grand Rapids to Ontario?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Grand Rapids.

Can I find flights from Grand Rapids to Ontario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ontario from Grand Rapids which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Grand Rapids to Ontario?

Once all potential Grand Rapids to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Grand Rapids to Ontario right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ontario from Grand Rapids. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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