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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 9/22. 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
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 - 11:49 pm
GRR
-
ONT
6h 20m
1 stop
Frontier Logo
6:00 am - 7:44 pm
ONT
-
GRR
10h 44m
1 stop
$303Frontier
Thu, Jul 2 - Sat, Jul 4
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
$304Frontier
Fri, Jul 3 - Sat, Jul 4
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
$305Frontier
Fri, Jun 26 - Sat, Jul 4
Frontier Logo
8:29 pm - 11:49 pm
GRR
-
ONT
6h 20m
1 stop
Frontier Logo
6:00 am - 7:42 pm
ONT
-
GRR
10h 42m
1 stop
$308Frontier
Thu, Jul 2 - Mon, Jul 6
Frontier Logo
8:29 pm - 11:49 pm
GRR
-
ONT
6h 20m
1 stop
Frontier Logo
6:00 am - 7:42 pm
ONT
-
GRR
10h 42m
1 stop
$309Frontier
Thu, Jul 2 - Sun, Jul 5
Frontier Logo
8:29 pm - 11:49 pm
GRR
-
ONT
6h 20m
1 stop
Frontier Logo
6:00 am - 7:42 pm
ONT
-
GRR
10h 42m
1 stop
$310Frontier
Fri, Jul 3 - Sun, Jul 5
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
$324Frontier
Sat, May 30 - Sat, Jun 6
Frontier Logo
8:29 pm - 11:50 pm
GRR
-
ONT
6h 21m
1 stop
Frontier Logo
10:49 am - 7:42 pm
ONT
-
GRR
5h 53m
1 stop
$329Frontier
Thu, Jul 23 - Fri, Jul 24
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
$330Frontier
Mon, Jun 1 - Fri, Jun 5
Frontier Logo
4:37 pm - 11:55 pm
GRR
-
ONT
10h 18m
1 stop
Frontier Logo
6:00 am - 3:42 pm
ONT
-
GRR
6h 42m
1 stop
$334Frontier
Thu, Sep 10 - Tue, Sep 22

American Airlines flights from Grand Rapids to Ontario

Our best American Airlines deals on Grand Rapids to Ontario flight tickets
American Airlines
Sep 10
GRR12:24 pmGrand Rapids Gerald R. Ford Intl
12h 13m
2 stops
ONT9:37 pmOntario
Sep 22
ONT4:59 pmOntario
12h 39m
2 stops
GRR8:38 amGrand Rapids Gerald R. Ford Intl
$403
American Airlines
Sep 10
GRR12:24 pmGrand Rapids Gerald R. Ford Intl
12h 13m
2 stops
ONT9:37 pmOntario
Sep 22
ONT8:02 pmOntario
12h 43m
2 stops
GRR11:45 amGrand Rapids Gerald R. Ford Intl
$413
American Airlines
May 28
GRR11:58 amGrand Rapids Gerald R. Ford Intl
9h 24m
2 stops
ONT6:22 pmOntario
May 31
ONT1:10 pmOntario
8h 18m
2 stops
GRR12:28 amGrand Rapids Gerald R. Ford Intl
$512

Southwest flights from Grand Rapids to Ontario

Our best Southwest deals on Grand Rapids to Ontario flight tickets
Southwest
Sep 11
GRR12:55 pmGrand Rapids Gerald R. Ford Intl
6h 15m
1 stop
ONT4:10 pmOntario
Sep 21
ONT6:20 amOntario
6h 55m
1 stop
GRR4:15 pmGrand Rapids Gerald R. Ford Intl
$444
Southwest
Jun 1
GRR4:40 pmGrand Rapids Gerald R. Ford Intl
9h 25m
2 stops
ONT11:05 pmOntario
Jun 12
ONT9:40 pmOntario
11h 30m
2 stops
GRR12:10 pmGrand Rapids Gerald R. Ford Intl
$579
Southwest
May 28
GRR6:30 amGrand Rapids Gerald R. Ford Intl
9h 45m
1 stop
ONT1:15 pmOntario
May 30
ONT6:20 amOntario
6h 10m
1 stop
GRR3:30 pmGrand Rapids Gerald R. Ford Intl
$697

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 May 19, 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

Thu 7/2

8:29 pm-11:49 pm

1 stop6h 20m

Ontario

Sat 7/4

6:00 am-7:44 pm

1 stop10h 44m

$303
Quickest round-trip

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Fri 7/3

8:29 pm-11:49 pm

1 stop6h 20m

Ontario

Sat 7/4

10:50 am-7:44 pm

1 stop5h 54m

$304

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Fri 6/26

8:29 pm-11:49 pm

1 stop6h 20m

Ontario

Sat 7/4

6:00 am-7:44 pm

1 stop10h 44m

$305

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-7:42 pm

1 stop10h 42m

$308

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Thu 7/2

8:29 pm-11:49 pm

1 stop6h 20m

Ontario

Sun 7/5

6:00 am-7:42 pm

1 stop10h 42m

$309

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Fri 7/3

8:29 pm-11:49 pm

1 stop6h 20m

Ontario

Sun 7/5

6:00 am-7:42 pm

1 stop10h 42m

$310

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Sat 5/30

8:29 pm-11:49 pm

1 stop6h 20m

Ontario

Sat 6/6

6:00 am-7:44 pm

1 stop10h 44m

$324

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Thu 7/23

8:29 pm-11:50 pm

1 stop6h 21m

Ontario

Fri 7/24

10:49 am-7:42 pm

1 stop5h 53m

$329

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Mon 6/1

8:29 pm-11:49 pm

1 stop6h 20m

Ontario

Fri 6/5

6:00 am-7:44 pm

1 stop10h 44m

$330

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Thu 9/10

4:37 pm-11:55 pm

1 stop10h 18m

Ontario

Tue 9/22

6:00 am-3:42 pm

1 stop6h 42m

$334

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 May 2026, prices for Grand Rapids to Ontario flights are approximately 20% 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 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
FrontierPriceFrom $117Free CancellationRating
5.6
2,945 reviews
Search Frontier flights
DeltaPriceFrom $277Free CancellationRating
7.9
8,452 reviews
Search Delta flights
SouthwestPriceFrom $324Free CancellationRating
7.9
4,284 reviews
Search Southwest flights
American AirlinesPriceFrom $346Free CancellationRating
7.1
11,645 reviews
Search American Airlines flights
United AirlinesPriceFrom $347Free CancellationRating
7.4
9,733 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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