HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$408+ Cheap flights from Lafayette to Ontario (LFT - ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
LFT — ONT
Aug 1 — Aug 81
Sat 8/1
Sat 8/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Lafayette to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Lafayette to Ontario

Cheapest flights from Lafayette to Ontario
Explore the most affordable flight options available from Lafayette to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2026.

This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:13 pm
LFT
-
ONT
1 stop7h 13m
Delta
Thu 9/2412:17 pm
ONT
-
LFT
1 stop7h 56m
Delta
Deal found 6/28$414
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/142:00 pm
LFT
-
ONT
2 stops10h 59m
United Airlines
Thu 9/246:00 am
ONT
-
LFT
1 stop7h 29m
United Airlines
Deal found 6/28$416
This American Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:03 pm
LFT
-
ONT
1 stop5h 56m
American Airlines
Sun 7/1911:59 pm
ONT
-
LFT
1 stop8h 23m
American Airlines
Deal found 6/30$419
This American Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:03 pm
LFT
-
ONT
1 stop5h 56m
American Airlines
Sun 7/2611:59 pm
ONT
-
LFT
1 stop8h 23m
American Airlines
Deal found 6/28$448
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:03 pm
LFT
-
ONT
1 stop8h 09m
United Airlines
Wed 8/266:08 am
ONT
-
LFT
2 stops11h 24m
United Airlines
Deal found 7/1$454
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/168:03 pm
LFT
-
ONT
1 stop5h 56m
American Airlines
Mon 7/2711:59 pm
ONT
-
LFT
1 stop8h 23m
American Airlines
Deal found 7/1$483
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/314:09 pm
LFT
-
ONT
1 stop7h 46m
United Airlines
Fri 8/75:00 am
ONT
-
LFT
2 stops11h 21m
United Airlines
Deal found 6/28$484
This United Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:03 pm
LFT
-
ONT
2 stops12h 56m
United Airlines
Mon 8/246:00 am
ONT
-
LFT
1 stop7h 29m
United Airlines
Deal found 6/27$534
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/164:09 pm
LFT
-
ONT
1 stop7h 46m
United Airlines
Mon 7/205:45 am
ONT
-
LFT
1 stop7h 43m
United Airlines
Deal found 7/1$564

Find flight deals from Lafayette to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Lafayette (LFT) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$414
(Delta)

One-way from

$408
(United Airlines)

Popular in

July

Cheapest in

April

Average price

$505
Provider with most accurate pricing for Lafayette Regional-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lafayette Regional-Ontario flights.
Search Deals
From Lafayette Regional to Ontario
Search Deals
One-way flight from Lafayette Regional to Ontario
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lafayette 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, Cheapflights users made 2,558,603 searches. Data last updated July 2, 2026.
Use the filters below to find and compare flights from Lafayette to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Sat 8/22

12:03 pm-6:12 pm

1 stop8h 09m

Ontario

Wed 8/26

6:08 am-7:32 pm

2 stops11h 24m

$454

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Fri 8/21

12:03 pm-10:59 pm

2 stops12h 56m

Ontario

Mon 8/24

7:13 pm-11:15 am

2 stops14h 02m

$459

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Fri 11/6

1:45 pm-10:53 pm

2 stops11h 08m

Ontario

Fri 11/13

5:00 am-5:42 pm

2 stops10h 42m

$589

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Fri 7/31

5:15 am-12:47 pm

2 stops9h 32m

Ontario

Fri 8/7

5:00 am-6:21 pm

2 stops11h 21m

$619

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Fri 7/24

4:09 pm-10:37 pm

2 stops8h 28m

Ontario

Sun 7/26

5:45 am-3:30 pm

1 stop7h 45m

$633
Quickest round-trip

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Wed 7/15

4:09 pm-9:55 pm

1 stop7h 46m

Ontario

Mon 7/20

5:45 am-3:28 pm

1 stop7h 43m

$659
Cheapest one-way
Quickest one-way

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Sun 8/16

4:04 pm-9:59 pm

1 stop7h 55m

$408

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Thu 9/10

4:04 pm-9:59 pm

1 stop7h 55m

$408

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Thu 7/16

3:29 pm-9:50 pm

1 stop8h 21m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Sorted by cheapest first

Compare providers for flights from Lafayette to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lafayette to Ontario in July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Lafayette-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lafayette-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lafayette-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lafayette-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lafayette-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Lafayette to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Lafayette with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated July 2, 2026.
Read reviews from past customers who have flown American Airlines from Lafayette to Ontario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,769 reviews

Boarding

7.5

Crew

7.9

Entertainment

6.8

Comfort

7.2

Food

6.4

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,769 reviews
American Airlines
7.1
Good
11,769 reviews

Boarding

7.5

Crew

7.9

Entertainment

6.8

Comfort

7.2

Food

6.4

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

Related info for your journey

Find useful and relevant information for your journey from Lafayette to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Lafayette to Ontario?

    There are many flights that can get you from Lafayette to Ontario in 8h 09m. Fly via United Airlines to get the fastest option. There are 1517 mi between Lafayette and Ontario.

  • What is the cheapest airline to fly from Lafayette to Ontario round-trip?

    Cheapflights users have booked flights from Lafayette to Ontario round-trip from $261.

  • Can I find deals for flights from Lafayette to Ontario that include hotel bookings?

    Yes. In addition to deals on Lafayette to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Lafayette to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lafayette to Ontario.

  • Can I find deals for business class flights from Lafayette to Ontario?

    Yes. Cheapflights offers flight deals from Lafayette to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Lafayette to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
New Orleans to Las Vegas flights
New Orleans to Los Angeles flights
New Orleans to San Francisco flights
New Orleans to San Diego flights
New Orleans to Ontario flights
Baton Rouge to Las Vegas flights
Lafayette to Las Vegas flights
Shreveport to Las Vegas flights
New Orleans to Sacramento flights
New Orleans to Reno flights
Lafayette to San Francisco flights
Shreveport to Los Angeles flights
Alexandria to Las Vegas flights
New Orleans to Oakland flights
Lake Charles to Las Vegas flights
Monroe to Las Vegas flights
Baton Rouge to Santa Ana flights
New Orleans to Palm Springs flights
Baton Rouge to Los Angeles flights
Baton Rouge to San Diego flights
Alexandria to Los Angeles flights
Lake Charles to Los Angeles flights
Lafayette to Los Angeles flights
Baton Rouge to San Francisco flights
Shreveport to Santa Ana flights
Shreveport to San Francisco flights
Baton Rouge to Ontario flights
Shreveport to Ontario flights
Baton Rouge to Reno flights
New Orleans to Santa Ana flights
New Orleans to San Jose flights
New Orleans to Long Beach flights
Alexandria to San Francisco flights
Monroe to Los Angeles flights
New Orleans to Burbank flights
New Orleans to Santa Barbara flights
New Orleans to Monterey flights
New Orleans to San Luis Obispo flights
Shreveport to Sacramento flights
New Orleans to Medford flights
Shreveport to San Diego flights
Baton Rouge to Sacramento flights
Lake Charles to San Jose flights
Shreveport to San Jose flights

Top airline flying from Lafayette to Ontario

Discover the top airline that operate flights from Lafayette to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$261Average$394FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.