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Cheap flights from Ontario to North America from $29

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to North America departing on 2/22. 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 Ontario to North America

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:22 pm - 8:31 pm
ONT
-
LAS
1h 09mnonstop
Frontier Logo
12:00 pm - 1:11 pm
LAS
-
ONT
1h 11mnonstop
$59Frontier
Thu, Feb 26 - Sat, Feb 28
Frontier Logo
2:06 pm - 3:20 pm
ONT
-
LAS
1h 14mnonstop
Frontier Logo
7:00 am - 8:06 am
LAS
-
ONT
1h 06mnonstop
$60Frontier
Thu, Mar 12 - Mon, Mar 16
Frontier Logo
9:43 pm - 10:53 pm
ONT
-
LAS
1h 10mnonstop
Frontier Logo
12:00 pm - 1:11 pm
LAS
-
ONT
1h 11mnonstop
$61Frontier
Fri, Feb 27 - Sat, Feb 28
Alaska Airlines Logo
8:30 am - 11:35 am
ONT
-
HNL
6h 05mnonstop
Alaska Airlines Logo
12:35 pm - 9:10 pm
HNL
-
ONT
5h 35mnonstop
$307Alaska Airlines
Wed, May 6 - Mon, May 11
American Airlines Logo
12:18 pm - 7:15 pm
ONT
-
HNL
8h 57m
1 stop
American Airlines Logo
11:00 pm - 8:48 am
HNL
-
ONT
7h 48m
1 stop
$316American Airlines
Wed, Feb 25 - Wed, Mar 4
Alaska Airlines Logo
8:30 am - 11:35 am
ONT
-
HNL
6h 05mnonstop
Alaska Airlines Logo
1:31 pm - 10:07 pm
HNL
-
ONT
5h 36mnonstop
$317Alaska Airlines
Thu, May 7 - Thu, May 14
American Airlines Logo
12:18 pm - 7:15 pm
ONT
-
HNL
8h 57m
1 stop
American Airlines Logo
9:44 pm - 8:49 am
HNL
-
ONT
9h 05m
1 stop
$318American Airlines
Thu, Feb 19 - Wed, Feb 25
Southwest Logo
5:45 am - 2:00 pm
ONT
-
HNL
10h 15m
1 stop
Southwest Logo
11:55 am - 10:00 pm
HNL
-
ONT
8h 05m
1 stop
$324Southwest
Sun, Feb 22 - Thu, Feb 26
Delta Logo
2:20 pm - 9:20 pm
ONT
-
HNL
10h 00m
1 stop
Delta Logo
10:45 pm - 1:39 pm
HNL
-
ONT
11h 54m
1 stop
$326Delta
Fri, Apr 17 - Wed, Apr 22
Southwest Logo
2:50 pm - 7:45 pm
ONT
-
HOU
2h 55mnonstop
Southwest Logo
8:55 pm - 10:30 pm
HOU
-
ONT
3h 35mnonstop
$333Southwest
Sat, Mar 7 - Mon, Mar 9

American Airlines flights from Ontario to North America

Our best American Airlines deals on Ontario to North America flight tickets
American Airlines
Feb 18
ONT10:37 pmOntario
8h 34m
1 stop
JFK10:11 amNew York John F Kennedy Intl
Feb 21
JFK6:30 amNew York John F Kennedy Intl
8h 06m
1 stop
ONT11:36 amOntario
$251
American Airlines
Feb 16
ONT11:59 pmOntario
7h 10m
1 stop
JFK10:09 amNew York John F Kennedy Intl
Feb 24
JFK2:30 pmNew York John F Kennedy Intl
8h 15m
1 stop
ONT7:45 pmOntario
$255
American Airlines
Feb 18
ONT11:58 pmOntario
10h 26m
2 stops
JFK1:24 pmNew York John F Kennedy Intl
Feb 21
JFK6:30 amNew York John F Kennedy Intl
8h 06m
1 stop
ONT11:36 amOntario
$256

Delta flights from Ontario to North America

Our best Delta deals on Ontario to North America flight tickets
Delta
Feb 17
ONT5:00 pmOntario
10h 25m
1 stop
JFK6:25 amNew York John F Kennedy Intl
Feb 25
JFK6:00 amNew York John F Kennedy Intl
9h 07m
1 stop
ONT12:07 pmOntario
$257
Delta
Feb 2
ONT3:30 pmOntario
3h 05m
SEA6:35 pmSeattle/Tacoma Intl
Feb 28
SEA7:55 pmSeattle/Tacoma Intl
2h 42m
ONT10:37 pmOntario
$274
Delta
Apr 28
ONT5:55 pmOntario
9h 58m
1 stop
JFK6:53 amNew York John F Kennedy Intl
May 7
JFK10:10 amNew York John F Kennedy Intl
11h 05m
1 stop
ONT6:15 pmOntario
$278

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to North America 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 January 29, 2026.
Use the filters below to find and compare flights from Ontario to North America that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Thu 2/26

7:22 pm-8:31 pm

Nonstop1h 09m

Las Vegas Harry Reid Intl

Sat 2/28

12:00 pm-1:11 pm

Nonstop1h 11m

$59

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Thu 3/12

2:06 pm-3:20 pm

Nonstop1h 14m

Las Vegas Harry Reid Intl

Mon 3/16

7:00 am-8:06 am

Nonstop1h 06m

$60

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Fri 2/27

9:43 pm-10:53 pm

Nonstop1h 10m

Las Vegas Harry Reid Intl

Sat 2/28

12:00 pm-1:11 pm

Nonstop1h 11m

$61

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Wed 5/6

8:30 am-11:35 am

Nonstop6h 05m

Honolulu

Mon 5/11

12:35 pm-9:10 pm

Nonstop5h 35m

$307

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Wed 2/25

12:18 pm-7:15 pm

1 stop8h 57m

Honolulu

Wed 3/4

11:00 pm-8:48 am

1 stop7h 48m

$316

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Thu 5/7

8:30 am-11:35 am

Nonstop6h 05m

Honolulu

Thu 5/14

1:31 pm-10:07 pm

Nonstop5h 36m

$317

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Thu 2/19

12:18 pm-7:15 pm

1 stop8h 57m

Honolulu

Wed 2/25

9:44 pm-8:49 am

1 stop9h 05m

$318

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Sun 2/22

5:45 am-2:00 pm

1 stop10h 15m

Honolulu

Thu 2/26

11:55 am-10:00 pm

1 stop8h 05m

$324

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Fri 4/17

2:20 pm-9:20 pm

1 stop10h 00m

Honolulu

Wed 4/22

10:45 pm-1:39 pm

1 stop11h 54m

$326

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sat 3/7

2:50 pm-7:45 pm

Nonstop2h 55m

Houston Hobby

Mon 3/9

8:55 pm-10:30 pm

Nonstop3h 35m

$333

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 Ontario to North America

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 North America?

The month of January is, on average, the cheapest month to fly to North America from Ontario, with most prices found around $280. If you are unable to visit North America during the month of January, then departing from Ontario during the month February is also very affordable. Most momondo users find prices during this month for around $286.

What is the cheapest day to depart on your flight to North America?

The cheapest day to depart from Ontario to North America is on a Sunday. Travelers who choose to depart for North America on a Sunday will often find tickets for as low as $336. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to North America on Thursday is $388.

What is the cheapest Ontario to North America flight route?

Fly from Ontario to Las Vegas Harry Reid Intl for the best Ontario - North America flight prices

How far in advance should I book a flight to North America?

You are more likely to see cheaper flights to North America from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to North America for around $339 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to North America from Ontario for as low as $267 on momondo.

What cabin class options are available on Ontario to North America flights?

There are 4 cabin classes available to choose from on Ontario to North America flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ontario to North America flights?

No. A direct flight is the cheapest option for a flight between Ontario to North America.

Cheap Ontario to North America flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to North America

Best Price Found

$42

Fastest flight time

1h 05m

Direct flights

Every day

Airports in North America

5,162 airports
The best one-way flight to North America from Ontario in the past 72 hours is $42. The best round-trip flight deal from Ontario to North America found on momondo in the last 72 hours is $86.
The fastest flight from Ontario to North America takes 1h 05m
Direct flights go from Ontario to North America every day.
There are 5,162 airports in North America. From Ontario there are direct flights to Las Vegas Harry Reid Intl (LAS).
Search flight deals

  • When did momondo last update prices for flights from Ontario Airport to North America?

    Prices for flights from Ontario Airport to North America are updated daily.

  • How many operators does momondo search for flights from Ontario Airport to North America?

  • How old do you have to be to fly from Ontario Airport to North America?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to North America.

  • What documentation or ID do you need to fly to North America?

    The travel and health documents you'll need for your trip to North America may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at North America. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Ontario to North America?

Best airlines flying from Ontario to North America

Compare and see reviews for airlines that fly from Ontario to North America with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $24Free CancellationRating
6.3
8,394 reviews
Search Spirit Airlines flights
FrontierPriceFrom $30Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
United AirlinesPriceFrom $58Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $67Free CancellationRating
8.0
11,808 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $97Free CancellationRating
8.0
4,267 reviews
Search Southwest flights
JetBluePriceFrom $155Free CancellationRating
7.2
2,891 reviews
Search JetBlue flights
DeltaPriceFrom $178Free CancellationRating
7.9
8,127 reviews
Search Delta flights
American AirlinesPriceFrom $190Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to North America?

It is quick and easy to find Ontario to North America flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to North America that suits you.

Can I find flights from Ontario to North America with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to North America from Ontario with this policy.

How can momondo help me find flights from Ontario to North America?

momondo provides multiple filters to help you find the best flight to North America from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ontario to North America right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to North America flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to North America

Popular cities in North America

Popular flights according to clicks in the last 7 days on momondo
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