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Cheap flights from Grand Rapids to Los Angeles from $146

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 1/8. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:07 pm - 9:50 am
GRR
-
ONT
45h 43m2 stops
Multiple Airlines Logo
3:21 pm - 3:58 pm
ONT
-
GRR
21h 37m1 stop
$353Multiple Airlines
Mo, Jan 5 - Sa, Jan 10
Multiple Airlines Logo
7:00 am - 5:15 pm
GRR
-
ONT
13h 15m1 stop
Multiple Airlines Logo
3:21 pm - 3:58 pm
ONT
-
GRR
21h 37m1 stop
$363Multiple Airlines
Mo, Jan 5 - Sa, Jan 10
American Airlines Logo
2:20 pm - 6:39 pm
GRR
-
ONT
7h 19m1 stop
American Airlines Logo
9:40 pm - 9:57 am
ONT
-
GRR
9h 17m1 stop
$405American Airlines
Sa, Feb 28 - Sa, Mrz 7
American Airlines Logo
10:44 am - 4:26 pm
GRR
-
ONT
8h 42m2 stops
American Airlines Logo
9:40 pm - 9:57 am
ONT
-
GRR
9h 17m1 stop
$416American Airlines
Sa, Feb 28 - Sa, Mrz 7
United Airlines Logo
9:10 am - 12:47 pm
GRR
-
ONT
6h 37m1 stop
United Airlines Logo
5:05 am - 2:23 pm
ONT
-
GRR
6h 18m1 stop
$432United Airlines
Sa, Jan 17 - Sa, Jan 24
Delta Logo
6:05 am - 11:29 am
GRR
-
ONT
8h 24m1 stop
Delta Logo
12:00 pm - 11:08 pm
ONT
-
GRR
8h 08m1 stop
$447Delta
Sa, Mai 2 - Di, Mai 19
Delta Logo
10:35 am - 6:15 pm
GRR
-
ONT
10h 40m2 stops
Delta Logo
12:00 pm - 11:08 pm
ONT
-
GRR
8h 08m1 stop
$452Delta
Sa, Mai 16 - Di, Mai 19
Delta Logo
11:46 am - 6:15 pm
GRR
-
ONT
9h 29m2 stops
Delta Logo
10:59 pm - 11:05 am
ONT
-
GRR
9h 06m2 stops
$457Delta
Sa, Mai 16 - Di, Mai 19
American Airlines Logo
10:44 am - 7:00 pm
GRR
-
ONT
11h 16m2 stops
American Airlines Logo
12:28 pm - 12:43 am
ONT
-
GRR
9h 15m2 stops
$463American Airlines
Sa, Feb 28 - Sa, Mrz 7
United Airlines Logo
9:10 am - 12:47 pm
GRR
-
ONT
6h 37m1 stop
United Airlines Logo
1:24 pm - 10:37 pm
ONT
-
GRR
6h 13m1 stop
$467United Airlines
Mi, Jan 28 - Di, Feb 3

American Airlines flights from Grand Rapids to Ontario

Our best American Airlines deals on Grand Rapids to Ontario flight tickets
American Airlines
Feb 28
GRR2:20 pmGrand Rapids Gerald R. Ford Intl
7h 19m
1 stop
ONT6:39 pmOntario
Mar 7
ONT9:40 pmOntario
9h 17m
1 stop
GRR9:57 amGrand Rapids Gerald R. Ford Intl
$405
Find similar
American Airlines
Feb 28
GRR10:44 amGrand Rapids Gerald R. Ford Intl
8h 42m
2 stops
ONT4:26 pmOntario
Mar 7
ONT9:40 pmOntario
9h 17m
1 stop
GRR9:57 amGrand Rapids Gerald R. Ford Intl
$416
Find similar
American Airlines
Feb 28
GRR10:44 amGrand Rapids Gerald R. Ford Intl
11h 16m
2 stops
ONT7:00 pmOntario
Mar 7
ONT12:28 pmOntario
9h 15m
2 stops
GRR12:43 amGrand Rapids Gerald R. Ford Intl
$463
Find similar

United Airlines flights from Grand Rapids to Ontario

Our best United Airlines deals on Grand Rapids to Ontario flight tickets
United Airlines
Jan 17
GRR9:10 amGrand Rapids Gerald R. Ford Intl
6h 37m
1 stop
ONT12:47 pmOntario
Jan 24
ONT5:05 amOntario
6h 18m
1 stop
GRR2:23 pmGrand Rapids Gerald R. Ford Intl
$432
Find similar
United Airlines
Jan 28
GRR9:10 amGrand Rapids Gerald R. Ford Intl
6h 37m
1 stop
ONT12:47 pmOntario
Feb 3
ONT1:24 pmOntario
6h 13m
1 stop
GRR10:37 pmGrand Rapids Gerald R. Ford Intl
$467
Find similar
United Airlines
Feb 24
GRR6:05 amGrand Rapids Gerald R. Ford Intl
9h 38m
2 stops
ONT12:43 pmOntario
Feb 25
ONT1:45 pmOntario
5h 30m
1 stop
GRR10:15 pmGrand Rapids Gerald R. Ford Intl
$472
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 Dezember 21, 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

Mo 1/5

3:07 pm-9:50 am

2 stops45h 43m

Ontario

Sa 1/10

3:21 pm-3:58 pm

1 stop21h 37m

$353

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Mo 1/5

7:00 am-5:15 pm

1 stop13h 15m

Ontario

Sa 1/10

3:21 pm-3:58 pm

1 stop21h 37m

$363

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Sa 2/28

2:20 pm-6:39 pm

1 stop7h 19m

Ontario

Sa 3/7

9:40 pm-9:57 am

1 stop9h 17m

$405

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Sa 2/28

10:44 am-4:26 pm

2 stops8h 42m

Ontario

Sa 3/7

9:40 pm-9:57 am

1 stop9h 17m

$416

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Sa 1/17

9:10 am-12:47 pm

1 stop6h 37m

Ontario

Sa 1/24

5:05 am-2:23 pm

1 stop6h 18m

$432

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Sa 5/2

6:05 am-11:29 am

1 stop8h 24m

Ontario

Di 5/19

12:00 pm-11:08 pm

1 stop8h 08m

$447

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Sa 5/16

10:35 am-6:15 pm

2 stops10h 40m

Ontario

Di 5/19

12:00 pm-11:08 pm

1 stop8h 08m

$452

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Sa 5/16

11:46 am-6:15 pm

2 stops9h 29m

Ontario

Di 5/19

10:59 pm-11:05 am

2 stops9h 06m

$457

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Sa 2/28

10:44 am-7:00 pm

2 stops11h 16m

Ontario

Sa 3/7

12:28 pm-12:43 am

2 stops9h 15m

$463

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Mi 1/28

9:10 am-12:47 pm

1 stop6h 37m

Ontario

Di 2/3

1:24 pm-10:37 pm

1 stop6h 13m

$467

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 have Grand Rapids to Ontario flight prices changed over time?

As of December 2025, prices for Grand Rapids to Ontario flights are approximately 73% 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

Fastest flight time

6h 37m

Direct flights

None
The fastest flight from Grand Rapids to Ontario takes 6h 37m
There are no direct flights from Grand Rapids to Ontario. There are no popular flight routes from Grand Rapids to Ontario.
Search flight deals

  • 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 37m 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
3,078 reviews
Search Frontier flights
DeltaPriceFrom $277Free CancellationRating
7.9
8,014 reviews
Search Delta flights
SouthwestPriceFrom $324Free CancellationRating
8.0
4,254 reviews
Search Southwest flights
American AirlinesPriceFrom $336Free CancellationRating
7.2
11,052 reviews
Search American Airlines flights
United AirlinesPriceFrom $347Free CancellationRating
7.4
9,102 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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