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Cheap flights from Grand Rapids to Los Angeles from $139

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 9/1. 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

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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
8:29 pm - 10:05 am
GRR
-
ONT
16h 36m
1 stop
Frontier Logo
10:50 am - 7:44 pm
ONT
-
GRR
5h 54m
1 stop
$297Frontier
Sun, Aug 23 - Sat, Aug 29
Delta Logo
6:10 am - 10:42 am
GRR
-
ONT
7h 32m
1 stop
Delta Logo
7:05 am - 6:01 pm
ONT
-
GRR
7h 56m
1 stop
$304Delta
Wed, Aug 26 - Sat, Aug 29
Delta Logo
6:00 am - 4:14 pm
GRR
-
ONT
13h 14m
2 stops
Delta Logo
7:05 am - 5:07 pm
ONT
-
GRR
7h 02m
1 stop
$309Delta
Thu, Sep 10 - Tue, Sep 22
Frontier Logo
8:29 pm - 10:05 am
GRR
-
ONT
16h 36m
1 stop
Frontier Logo
10:49 am - 7:40 pm
ONT
-
GRR
5h 51m
1 stop
$311Frontier
Fri, Jul 3 - Sun, Jul 5
Delta Logo
6:00 am - 4:14 pm
GRR
-
ONT
13h 14m
2 stops
Delta Logo
7:05 am - 9:01 pm
ONT
-
GRR
10h 56m
2 stops
$314Delta
Thu, Sep 10 - Tue, Sep 22
Frontier Logo
8:29 pm - 11:49 pm
GRR
-
ONT
6h 20m
1 stop
Frontier Logo
6:00 am - 7:40 pm
ONT
-
GRR
10h 40m
1 stop
$318Frontier
Thu, Jul 2 - Mon, Jul 6
Frontier Logo
8:29 pm - 11:49 pm
GRR
-
ONT
6h 20m
1 stop
Frontier Logo
10:50 am - 7:44 pm
ONT
-
GRR
5h 54m
1 stop
$326Frontier
Sat, Aug 22 - Sat, Aug 29
Frontier Logo
8:29 pm - 11:49 pm
GRR
-
ONT
6h 20m
1 stop
Frontier Logo
6:00 am - 7:44 pm
ONT
-
GRR
10h 44m
1 stop
$328Frontier
Thu, Jun 25 - Sat, Jul 4
Southwest Logo
12:55 pm - 4:10 pm
GRR
-
ONT
6h 15m
1 stop
Southwest Logo
10:55 am - 10:50 pm
ONT
-
GRR
8h 55m
2 stops
$337Southwest
Thu, Sep 10 - Tue, Sep 22
Frontier Logo
8:29 pm - 11:49 pm
GRR
-
ONT
6h 20m
1 stop
Frontier Logo
6:00 am - 7:44 pm
ONT
-
GRR
10h 44m
1 stop
$339Frontier
Sat, Jun 27 - Sat, Jul 4

Delta flights from Grand Rapids to Ontario

Our best Delta deals on Grand Rapids to Ontario flight tickets
Delta
Aug 26
GRR6:10 amGrand Rapids Gerald R. Ford Intl
7h 32m
1 stop
ONT10:42 amOntario
Aug 29
ONT7:05 amOntario
7h 56m
1 stop
GRR6:01 pmGrand Rapids Gerald R. Ford Intl
$304
Delta
Sep 10
GRR6:00 amGrand Rapids Gerald R. Ford Intl
13h 14m
2 stops
ONT4:14 pmOntario
Sep 22
ONT7:05 amOntario
7h 02m
1 stop
GRR5:07 pmGrand Rapids Gerald R. Ford Intl
$309
Delta
Sep 10
GRR6:00 amGrand Rapids Gerald R. Ford Intl
13h 14m
2 stops
ONT4:14 pmOntario
Sep 22
ONT7:05 amOntario
10h 56m
2 stops
GRR9:01 pmGrand Rapids Gerald R. Ford Intl
$314

Southwest flights from Grand Rapids to Ontario

Our best Southwest deals on Grand Rapids to Ontario flight tickets
Southwest
Sep 10
GRR2:25 pmGrand Rapids Gerald R. Ford Intl
7h 55m
1 stop
ONT7:20 pmOntario
Sep 22
ONT11:55 pmOntario
12h 15m
1 stop
GRR3:10 pmGrand Rapids Gerald R. Ford Intl
$337
Southwest
Sep 10
GRR12:55 pmGrand Rapids Gerald R. Ford Intl
9h 25m
2 stops
ONT7:20 pmOntario
Sep 21
ONT11:55 pmOntario
12h 15m
1 stop
GRR3:10 pmGrand Rapids Gerald R. Ford Intl
$374
Southwest
Jun 16
GRR4:40 pmGrand Rapids Gerald R. Ford Intl
8h 35m
2 stops
ONT10:15 pmOntario
Jun 19
ONT11:55 pmOntario
9h 15m
1 stop
GRR12:10 pmGrand Rapids Gerald R. Ford Intl
$598

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 June 3, 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 - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Sun 8/23

8:29 pm-10:05 am

1 stop16h 36m

Ontario

Sat 8/29

10:50 am-7:44 pm

1 stop5h 54m

$297

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Wed 8/26

6:10 am-10:42 am

1 stop7h 32m

Ontario

Sat 8/29

7:05 am-6:01 pm

1 stop7h 56m

$304

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Thu 9/10

6:00 am-4:14 pm

2 stops13h 14m

Ontario

Tue 9/22

7:05 am-5:07 pm

1 stop7h 02m

$309

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Fri 7/3

8:29 pm-10:05 am

1 stop16h 36m

Ontario

Sun 7/5

10:49 am-7:40 pm

1 stop5h 51m

$311

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Thu 9/10

6:00 am-4:14 pm

2 stops13h 14m

Ontario

Tue 9/22

7:05 am-9:01 pm

2 stops10h 56m

$314

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Thu 7/2

8:29 pm-11:49 pm

1 stop6h 20m

Ontario

Mon 7/6

6:00 am-7:40 pm

1 stop10h 40m

$318
Quickest round-trip

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Sat 8/22

8:29 pm-11:49 pm

1 stop6h 20m

Ontario

Sat 8/29

10:50 am-7:44 pm

1 stop5h 54m

$326

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Thu 6/25

8:29 pm-11:49 pm

1 stop6h 20m

Ontario

Sat 7/4

6:00 am-7:44 pm

1 stop10h 44m

$328

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Thu 9/10

12:55 pm-4:10 pm

1 stop6h 15m

Ontario

Tue 9/22

10:55 am-10:50 pm

2 stops8h 55m

$337

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Sat 6/27

8:29 pm-11:49 pm

1 stop6h 20m

Ontario

Sat 7/4

6:00 am-7:44 pm

1 stop10h 44m

$339

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 typical price of a round-trip flight between Grand Rapids and Ontario?

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 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 June 2026, prices for Grand Rapids to Ontario flights are approximately 18% cheaper 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 20m

Direct flights

None
The fastest flight from Grand Rapids to Ontario takes 6h 20m
There are no direct flights from Grand Rapids to Ontario. There are no popular flight routes from Grand Rapids to Ontario.
Search flight deals

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 20m 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
DeltaPriceFrom $277Free CancellationRating
7.9
8,398 reviews
Search Delta flights
SouthwestPriceFrom $324Free CancellationRating
8.0
4,255 reviews
Search Southwest flights
American AirlinesPriceFrom $336Free CancellationRating
7.1
11,642 reviews
Search American Airlines flights
United AirlinesPriceFrom $346Free CancellationRating
7.4
9,771 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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