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Cheap flights from Grand Rapids to Los Angeles from $84

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 10/4. 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

Frontier Logo
8:49 pm - 11:50 pmGRR-ONT
6h 01m1 stop
Frontier Logo
6:53 am - 7:49 pmONT-GRR
9h 56m1 stop
$145Frontier
Find Deal
Fri, Oct 24 - Sun, Oct 26
Frontier Logo
8:49 pm - 11:50 pmGRR-ONT
6h 01m1 stop
Frontier Logo
6:53 am - 7:49 pmONT-GRR
9h 56m1 stop
$146Frontier
Find Deal
Thu, Oct 23 - Sun, Oct 26
Frontier Logo
4:20 pm - 7:53 amGRR-ONT
18h 33m1 stop
Frontier Logo
8:59 pm - 7:38 pmONT-GRR
19h 39m1 stop
$147Frontier
Find Deal
Thu, Oct 2 - Sun, Oct 5
Logo
7:00 am - 12:51 pmGRR-ONT
8h 51m1 stop
Logo
6:53 am - 7:53 pmONT-GRR
10h 00m1 stop
$257
Find Deal
Fri, Nov 14 - Sun, Nov 16
Logo
1:59 pm - 9:04 pmGRR-ONT
10h 05m1 stop
Logo
11:52 am - 6:57 pmONT-GRR
28h 05m2 stops
$258
Find Deal
Sun, Dec 7 - Fri, Dec 12
Delta Logo
6:00 am - 10:40 amGRR-ONT
7h 40m1 stop
Delta Logo
10:25 pm - 11:19 amONT-GRR
9h 54m1 stop
$337Delta
Find Deal
Tue, Nov 11 - Wed, Nov 12
United Airlines Logo
3:36 pm - 8:24 pmGRR-ONT
7h 48m1 stop
United Airlines Logo
7:02 am - 4:14 pmONT-GRR
6h 12m1 stop
$339United Airlines
Find Deal
Sat, Oct 11 - Sat, Oct 18
Delta Logo
6:00 am - 10:40 amGRR-ONT
7h 40m1 stop
Delta Logo
10:25 pm - 11:19 amONT-GRR
9h 54m1 stop
$348Delta
Find Deal
Thu, Nov 13 - Tue, Nov 18
American Airlines Logo
2:05 pm - 6:21 pmGRR-ONT
7h 16m1 stop
American Airlines Logo
12:55 pm - 10:08 pmONT-GRR
6h 13m1 stop
$357American Airlines
Find Deal
Tue, Nov 18 - Wed, Nov 26
American Airlines Logo
7:46 am - 4:01 pmGRR-ONT
11h 15m1 stop
American Airlines Logo
10:34 pm - 10:52 amONT-GRR
9h 18m1 stop
$361American Airlines
Find Deal
Mon, Nov 3 - Fri, Nov 7

Frontier flights from Grand Rapids to Ontario

Our best Frontier deals on Grand Rapids to Ontario flight tickets
Frontier
Oct 24
GRR8:49 pmGrand Rapids Gerald R. Ford Intl
6h 01m
1 stop
ONT11:50 pmOntario
Oct 26
ONT6:53 amOntario
9h 56m
1 stop
GRR7:49 pmGrand Rapids Gerald R. Ford Intl
$145
Find similar
Frontier
Oct 23
GRR8:49 pmGrand Rapids Gerald R. Ford Intl
6h 01m
1 stop
ONT11:50 pmOntario
Oct 26
ONT6:53 amOntario
9h 56m
1 stop
GRR7:49 pmGrand Rapids Gerald R. Ford Intl
$146
Find similar
Frontier
Oct 2
GRR4:20 pmGrand Rapids Gerald R. Ford Intl
18h 33m
1 stop
ONT7:53 amOntario
Oct 5
ONT8:59 pmOntario
19h 39m
1 stop
GRR7:38 pmGrand Rapids Gerald R. Ford Intl
$147
Find similar

Delta flights from Grand Rapids to Ontario

Our best Delta deals on Grand Rapids to Ontario flight tickets
Delta
Nov 11
GRR6:00 amGrand Rapids Gerald R. Ford Intl
7h 40m
1 stop
ONT10:40 amOntario
Nov 12
ONT10:25 pmOntario
9h 54m
1 stop
GRR11:19 amGrand Rapids Gerald R. Ford Intl
$337
Find similar
Delta
Nov 13
GRR6:00 amGrand Rapids Gerald R. Ford Intl
7h 40m
1 stop
ONT10:40 amOntario
Nov 18
ONT10:25 pmOntario
9h 54m
1 stop
GRR11:19 amGrand Rapids Gerald R. Ford Intl
$348
Find similar
Delta
Nov 13
GRR6:00 amGrand Rapids Gerald R. Ford Intl
7h 40m
1 stop
ONT10:40 amOntario
Nov 18
ONT6:00 amOntario
10h 29m
2 stops
GRR7:29 pmGrand Rapids Gerald R. Ford Intl
$353
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 September 15, 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

Fri 10/24

8:49 pm-11:50 pm

1 stop6h 01m

Ontario

Sun 10/26

6:53 am-7:49 pm

1 stop9h 56m

$145

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Thu 10/23

8:49 pm-11:50 pm

1 stop6h 01m

Ontario

Sun 10/26

6:53 am-7:49 pm

1 stop9h 56m

$146

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Thu 10/2

4:20 pm-7:53 am

1 stop18h 33m

Ontario

Sun 10/5

8:59 pm-7:38 pm

1 stop19h 39m

$147

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Fri 11/14

7:00 am-12:51 pm

1 stop8h 51m

Ontario

Sun 11/16

6:53 am-7:53 pm

1 stop10h 00m

$257

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Sun 12/7

1:59 pm-9:04 pm

1 stop10h 05m

Ontario

Fri 12/12

11:52 am-6:57 pm

2 stops28h 05m

$258

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Tue 11/11

6:00 am-10:40 am

1 stop7h 40m

Ontario

Wed 11/12

10:25 pm-11:19 am

1 stop9h 54m

$337

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Sat 10/11

3:36 pm-8:24 pm

1 stop7h 48m

Ontario

Sat 10/18

7:02 am-4:14 pm

1 stop6h 12m

$339

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Thu 11/13

6:00 am-10:40 am

1 stop7h 40m

Ontario

Tue 11/18

10:25 pm-11:19 am

1 stop9h 54m

$348

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Tue 11/18

2:05 pm-6:21 pm

1 stop7h 16m

Ontario

Wed 11/26

12:55 pm-10:08 pm

1 stop6h 13m

$357

Grand RapidsOntario

GRR - ONT

GRRONT

Grand Rapids Gerald R. Ford Intl

Mon 11/3

7:46 am-4:01 pm

1 stop11h 15m

Ontario

Fri 11/7

10:34 pm-10:52 am

1 stop9h 18m

$361

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 $324. If you aren’t able to travel during the month of October, then book flights to Ontario from Grand Rapids during September instead. Flights to Ontario in September, while not as cheap as those in October, still average around $364.

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 $482 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 September 2025, prices for Grand Rapids to Ontario flights are approximately 49% 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 01m 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 $168Free CancellationRating
5.8
3,172 reviews
Search Frontier flights
SouthwestPriceFrom $324Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
American AirlinesPriceFrom $336Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $336Free CancellationRating
7.9
7,954 reviews
Search Delta flights
United AirlinesPriceFrom $369Free CancellationRating
7.4
8,929 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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