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Cheap flights from Grand Rapids to Los Angeles from $141

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 9/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
4:24 pm - 11:47 pmGRR  Grand Rapids Gerald R. Ford Intl-ONT Ontario
10h 23m1 stop Denver Intl
Frontier Logo
6:15 am - 3:26 pmONT  Ontario-GRR Grand Rapids Gerald R. Ford Intl
6h 11m1 stop Denver Intl
$206Frontier
Thu, Oct 1 - Tue, Oct 6
Frontier Logo
4:24 pm - 11:47 pmGRR  Grand Rapids Gerald R. Ford Intl-ONT Ontario
10h 23m1 stop Denver Intl
Frontier Logo
6:15 am - 3:26 pmONT  Ontario-GRR Grand Rapids Gerald R. Ford Intl
6h 11m1 stop Denver Intl
$207Frontier
Sat, Sep 26 - Sat, Oct 3
American Airlines Logo
5:29 pm - 11:36 pmGRR  Grand Rapids Gerald R. Ford Intl-ONT Ontario
9h 07m1 stop Dallas/Fort Worth
American Airlines Logo
10:25 am - 10:54 pmONT  Ontario-GRR Grand Rapids Gerald R. Ford Intl
9h 29m1 stop Dallas/Fort Worth
$305American Airlines
Thu, Sep 10 - Tue, Sep 15
American Airlines Logo
5:42 am - 12:06 pmGRR  Grand Rapids Gerald R. Ford Intl-ONT Ontario
9h 24m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl
American Airlines Logo
12:37 pm - 10:54 pmONT  Ontario-GRR Grand Rapids Gerald R. Ford Intl
7h 17m1 stop Dallas/Fort Worth
$310American Airlines
Thu, Sep 10 - Tue, Sep 15
Delta Logo
5:30 am - 12:21 pmGRR  Grand Rapids Gerald R. Ford Intl-ONT Ontario
9h 51m2 stops Detroit Metropolitan Wayne County Salt Lake City
Delta Logo
11:15 pm - 11:56 amONT  Ontario-GRR Grand Rapids Gerald R. Ford Intl
9h 41m1 stop Atlanta Hartsfield-Jackson
$310Delta
Thu, Oct 8 - Mon, Oct 12
United Airlines Logo
2:10 pm - 8:53 pmGRR  Grand Rapids Gerald R. Ford Intl-ONT Ontario
9h 43m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
5:00 am - 2:43 pmONT  Ontario-GRR Grand Rapids Gerald R. Ford Intl
6h 43m1 stop Denver Intl
$340United Airlines
Sat, Sep 5 - Sat, Sep 12
Delta Logo
6:00 am - 11:10 amGRR  Grand Rapids Gerald R. Ford Intl-ONT Ontario
8h 10m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:00 am - 5:19 pmONT  Ontario-GRR Grand Rapids Gerald R. Ford Intl
7h 19m1 stop Atlanta Hartsfield-Jackson
$341Delta
Sat, Dec 5 - Thu, Dec 17
Southwest Logo
6:40 am - 12:40 pmGRR  Grand Rapids Gerald R. Ford Intl-ONT Ontario
9h 00m1 stop Chicago Midway
Southwest Logo
5:30 am - 2:20 pmONT  Ontario-GRR Grand Rapids Gerald R. Ford Intl
5h 50m1 stop Las Vegas Harry Reid Intl
$349Southwest
Fri, Feb 5 - Mon, Feb 8
United Airlines Logo
5:00 am - 12:50 pmGRR  Grand Rapids Gerald R. Ford Intl-ONT Ontario
10h 50m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
1:18 pm - 10:39 pmONT  Ontario-GRR Grand Rapids Gerald R. Ford Intl
6h 21m1 stop Denver Intl
$352United Airlines
Tue, Sep 15 - Sat, Sep 19
Southwest Logo
6:40 am - 12:40 pmGRR  Grand Rapids Gerald R. Ford Intl-ONT Ontario
9h 00m1 stop Chicago Midway
Southwest Logo
7:30 pm - 10:45 amONT  Ontario-GRR Grand Rapids Gerald R. Ford Intl
12h 15m2 stops San Jose Chicago Midway
$354Southwest
Fri, Feb 5 - Mon, Feb 8

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American Airlines flights from Grand Rapids to Ontario

Our best American Airlines deals on Grand Rapids to Ontario flight tickets
American Airlines
Sep 10
GRR5:29 pmGrand Rapids Gerald R. Ford Intl
9h 07m
1 stop
ONT11:36 pmOntario
Sep 15
ONT10:25 amOntario
9h 29m
1 stop
GRR10:54 pmGrand Rapids Gerald R. Ford Intl
$305
American Airlines
Sep 10
GRR5:42 amGrand Rapids Gerald R. Ford Intl
9h 24m
2 stops
ONT12:06 pmOntario
Sep 15
ONT12:37 pmOntario
7h 17m
1 stop
GRR10:54 pmGrand Rapids Gerald R. Ford Intl
$310
American Airlines
Sep 10
GRR1:21 pmGrand Rapids Gerald R. Ford Intl
12h 22m
2 stops
ONT10:43 pmOntario
Sep 15
ONT1:04 pmOntario
8h 37m
2 stops
GRR12:41 amGrand Rapids Gerald R. Ford Intl
$339

Delta flights from Grand Rapids to Ontario

Our best Delta deals on Grand Rapids to Ontario flight tickets
Delta
Dec 5
GRR6:00 amGrand Rapids Gerald R. Ford Intl
8h 10m
1 stop
ONT11:10 amOntario
Dec 16
ONT12:22 pmOntario
8h 32m
1 stop
GRR11:54 pmGrand Rapids Gerald R. Ford Intl
$341
Delta
Dec 4
GRR1:43 pmGrand Rapids Gerald R. Ford Intl
7h 48m
1 stop
ONT6:31 pmOntario
Dec 16
ONT12:22 pmOntario
8h 32m
1 stop
GRR11:54 pmGrand Rapids Gerald R. Ford Intl
$348
Delta
Feb 6
GRR11:30 amGrand Rapids Gerald R. Ford Intl
13h 44m
2 stops
ONT10:14 pmOntario
Feb 8
ONT7:00 amOntario
13h 02m
2 stops
GRR11:02 pmGrand Rapids Gerald R. Ford Intl
$357

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 August 11, 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

Price

Cheapest round-trip

Grand RapidsOntario

GRR Grand Rapids Gerald R. Ford Intl - ONT Ontario

GRRONT

Grand Rapids Gerald R. Ford Intl

Thu 10/1

4:24 pm-11:47 pm

1 stop10h 23m

Ontario

Tue 10/6

6:15 am-3:26 pm

1 stop6h 11m

$206

Grand RapidsOntario

GRR Grand Rapids Gerald R. Ford Intl - ONT Ontario

GRRONT

Grand Rapids Gerald R. Ford Intl

Sat 9/26

4:24 pm-11:47 pm

1 stop10h 23m

Ontario

Sat 10/3

6:15 am-3:26 pm

1 stop6h 11m

$207

Grand RapidsOntario

GRR Grand Rapids Gerald R. Ford Intl - ONT Ontario

GRRONT

Grand Rapids Gerald R. Ford Intl

Thu 9/10

5:29 pm-11:36 pm

1 stop9h 07m

Ontario

Tue 9/15

10:25 am-10:54 pm

1 stop9h 29m

$305

Grand RapidsOntario

GRR Grand Rapids Gerald R. Ford Intl - ONT Ontario

GRRONT

Grand Rapids Gerald R. Ford Intl

Thu 9/10

5:42 am-12:06 pm

2 stops9h 24m

Ontario

Tue 9/15

12:37 pm-10:54 pm

1 stop7h 17m

$310

Grand RapidsOntario

GRR Grand Rapids Gerald R. Ford Intl - ONT Ontario

GRRONT

Grand Rapids Gerald R. Ford Intl

Thu 10/8

5:30 am-12:21 pm

2 stops9h 51m

Ontario

Mon 10/12

11:15 pm-11:56 am

1 stop9h 41m

$310

Grand RapidsOntario

GRR Grand Rapids Gerald R. Ford Intl - ONT Ontario

GRRONT

Grand Rapids Gerald R. Ford Intl

Sat 9/5

2:10 pm-8:53 pm

2 stops9h 43m

Ontario

Sat 9/12

5:00 am-2:43 pm

1 stop6h 43m

$340

Grand RapidsOntario

GRR Grand Rapids Gerald R. Ford Intl - ONT Ontario

GRRONT

Grand Rapids Gerald R. Ford Intl

Sat 12/5

6:00 am-11:10 am

1 stop8h 10m

Ontario

Thu 12/17

7:00 am-5:19 pm

1 stop7h 19m

$341
Quickest round-trip

Grand RapidsOntario

GRR Grand Rapids Gerald R. Ford Intl - ONT Ontario

GRRONT

Grand Rapids Gerald R. Ford Intl

Fri 2/5

6:40 am-12:40 pm

1 stop9h 00m

Ontario

Mon 2/8

5:30 am-2:20 pm

1 stop5h 50m

$349

Grand RapidsOntario

GRR Grand Rapids Gerald R. Ford Intl - ONT Ontario

GRRONT

Grand Rapids Gerald R. Ford Intl

Tue 9/15

5:00 am-12:50 pm

2 stops10h 50m

Ontario

Sat 9/19

1:18 pm-10:39 pm

1 stop6h 21m

$352

Grand RapidsOntario

GRR Grand Rapids Gerald R. Ford Intl - ONT Ontario

GRRONT

Grand Rapids Gerald R. Ford Intl

Fri 2/5

6:40 am-12:40 pm

1 stop9h 00m

Ontario

Mon 2/8

7:30 pm-10:45 am

2 stops12h 15m

$354

Flights are sorted by cheapest round-trip flights 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 typical price of a round-trip flight between Grand Rapids and Ontario?

Prices are currently low for flights on this route.

Typical prices usually range from $321 to $608.
The lowest price recently found on this route was $207.

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 $347. If you aren’t able to travel during the month of October, then book flights to Ontario from Grand Rapids during February instead. Flights to Ontario in February, while not as cheap as those in October, still average around $358.

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

As of August 2026, prices for Grand Rapids to Ontario flights are approximately 57% 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 17m

Direct flights

None
The fastest flight from Grand Rapids to Ontario takes 6h 17m
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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Frequently asked questions about flying from Grand Rapids to Ontario

  • 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 17m 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 $117Free CancellationRating
5.6
2,704 reviews
Search Frontier flights
DeltaPriceFrom $277Free CancellationRating
7.8
8,505 reviews
Search Delta flights
American AirlinesPriceFrom $303Free CancellationRating
7.1
11,902 reviews
Search American Airlines flights
United AirlinesPriceFrom $346Free CancellationRating
7.4
10,102 reviews
Search United Airlines flights
SouthwestPriceFrom $364Free CancellationRating
8.0
4,221 reviews
Search Southwest 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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