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Cheap flights from Grand Rapids to Los Angeles from $78

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 12/20. 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
4:08 pm - 11:59 pmGRR-ONT
10h 51m1 stop
Frontier Logo
6:45 am - 3:23 pmONT-GRR
5h 38m1 stop
$144Frontier
Find Deal
Sat, Dec 20 - Fri, Dec 26
Frontier Logo
4:08 pm - 11:59 pmGRR-ONT
10h 51m1 stop
Frontier Logo
6:45 am - 3:23 pmONT-GRR
5h 38m1 stop
$150Frontier
Find Deal
Sat, Dec 20 - Fri, Dec 26
Frontier Logo
4:18 pm - 11:59 pmGRR-ONT
10h 41m1 stop
Frontier Logo
6:45 am - 7:21 pmONT-GRR
9h 36m1 stop
$235Frontier
Find Deal
Fri, Dec 19 - Mon, Dec 29
Frontier Logo
4:18 pm - 11:59 pmGRR-ONT
10h 41m1 stop
Frontier Logo
6:45 am - 3:23 pmONT-GRR
5h 38m1 stop
$265Frontier
Find Deal
Fri, Dec 19 - Fri, Jan 2
Frontier Logo
4:08 pm - 11:59 pmGRR-ONT
10h 51m1 stop
Frontier Logo
6:45 am - 3:23 pmONT-GRR
5h 38m1 stop
$268Frontier
Find Deal
Sat, Dec 20 - Fri, Jan 2
Multiple Airlines Logo
1:59 pm - 9:17 pmGRR-ONT
10h 18m1 stop
Multiple Airlines Logo
7:00 am - 7:58 pmONT-GRR
33h 58m2 stops
$312Multiple Airlines
Find Deal
Thu, Dec 11 - Sat, Jan 10
Multiple Airlines Logo
7:00 am - 1:11 pmGRR-ONT
9h 11m1 stop
Multiple Airlines Logo
6:20 am - 7:21 pmONT-GRR
34h 01m2 stops
$315Multiple Airlines
Find Deal
Thu, Jan 22 - Sun, Jan 25
Multiple Airlines Logo
9:49 pm - 9:17 pmGRR-ONT
26h 28m1 stop
Multiple Airlines Logo
6:15 am - 10:41 pmONT-GRR
13h 26m1 stop
$325Multiple Airlines
Find Deal
Mon, Dec 1 - Thu, Dec 4
Frontier Logo
4:08 pm - 11:59 pmGRR-ONT
10h 51m1 stop
Frontier Logo
6:45 am - 3:23 pmONT-GRR
5h 38m1 stop
$332Frontier
Find Deal
Sat, Dec 20 - Fri, Jan 2
Multiple Airlines Logo
4:08 pm - 5:42 pmGRR-ONT
28h 34m2 stops
Multiple Airlines Logo
6:00 am - 3:42 pmONT-GRR
6h 42m1 stop
$359Multiple Airlines
Find Deal
Sat, Dec 20 - Fri, Dec 26

Delta flights from Grand Rapids to Ontario

Our best Delta deals on Grand Rapids to Ontario flight tickets
Delta
Dec 9
GRR5:55 pmGrand Rapids Gerald R. Ford Intl
8h 09m
1 stop
ONT11:04 pmOntario
Dec 16
ONT10:25 pmOntario
10h 00m
1 stop
GRR11:25 amGrand Rapids Gerald R. Ford Intl
$377
Find similar
Delta
Dec 9
GRR5:55 pmGrand Rapids Gerald R. Ford Intl
8h 09m
1 stop
ONT11:04 pmOntario
Dec 15
ONT10:25 pmOntario
10h 00m
1 stop
GRR11:25 amGrand Rapids Gerald R. Ford Intl
$389
Find similar
Delta
Dec 11
GRR6:05 amGrand Rapids Gerald R. Ford Intl
7h 57m
1 stop
ONT11:02 amOntario
Dec 15
ONT7:05 amOntario
6h 41m
1 stop
GRR4:46 pmGrand Rapids Gerald R. Ford Intl
$401
Find similar

Southwest flights from Grand Rapids to Ontario

Our best Southwest deals on Grand Rapids to Ontario flight tickets
Southwest
Dec 11
GRR8:20 amGrand Rapids Gerald R. Ford Intl
9h 30m
2 stops
ONT2:50 pmOntario
Jan 10
ONT10:35 amOntario
8h 50m
2 stops
GRR10:25 pmGrand Rapids Gerald R. Ford Intl
$399
Find similar
Southwest
Feb 28
GRR4:15 pmGrand Rapids Gerald R. Ford Intl
6h 50m
1 stop
ONT8:05 pmOntario
Mar 15
ONT9:55 pmOntario
13h 45m
1 stop
GRR2:40 pmGrand Rapids Gerald R. Ford Intl
$429
Find similar
Southwest
Jan 22
GRR4:20 pmGrand Rapids Gerald R. Ford Intl
8h 25m
2 stops
ONT9:45 pmOntario
Jan 25
ONT7:20 amOntario
12h 05m
2 stops
GRR10:25 pmGrand Rapids Gerald R. Ford Intl
$434
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 19, 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

Sat 12/20

4:08 pm-11:59 pm

1 stop10h 51m

Ontario

Fri 12/26

6:45 am-3:23 pm

1 stop5h 38m

$144

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Sat 12/20

4:08 pm-11:59 pm

1 stop10h 51m

Ontario

Fri 12/26

6:45 am-3:23 pm

1 stop5h 38m

$150

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Fri 12/19

4:18 pm-11:59 pm

1 stop10h 41m

Ontario

Mon 12/29

6:45 am-7:21 pm

1 stop9h 36m

$235

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Fri 12/19

4:18 pm-11:59 pm

1 stop10h 41m

Ontario

Fri 1/2

6:45 am-3:23 pm

1 stop5h 38m

$265

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Sat 12/20

4:08 pm-11:59 pm

1 stop10h 51m

Ontario

Fri 1/2

6:45 am-3:23 pm

1 stop5h 38m

$268

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Thu 12/11

1:59 pm-9:17 pm

1 stop10h 18m

Ontario

Sat 1/10

7:00 am-7:58 pm

2 stops33h 58m

$312

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Thu 1/22

7:00 am-1:11 pm

1 stop9h 11m

Ontario

Sun 1/25

6:20 am-7:21 pm

2 stops34h 01m

$315

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Mon 12/1

9:49 pm-9:17 pm

1 stop26h 28m

Ontario

Thu 12/4

6:15 am-10:41 pm

1 stop13h 26m

$325

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Sat 12/20

4:08 pm-11:59 pm

1 stop10h 51m

Ontario

Fri 1/2

6:45 am-3:23 pm

1 stop5h 38m

$332

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Sat 12/20

4:08 pm-5:42 pm

2 stops28h 34m

Ontario

Fri 12/26

6:00 am-3:42 pm

1 stop6h 42m

$359

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

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 $490 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
3,106 reviews
Search Frontier flights
DeltaPriceFrom $283Free CancellationRating
7.9
8,004 reviews
Search Delta flights
SouthwestPriceFrom $324Free CancellationRating
8.0
4,249 reviews
Search Southwest flights
American AirlinesPriceFrom $334Free CancellationRating
7.2
11,046 reviews
Search American Airlines flights
United AirlinesPriceFrom $363Free CancellationRating
7.4
9,025 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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