HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lafayette

$423+ Cheap flights from Ontario to Lafayette (ONT - LFT)

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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LFT
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Lafayette 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 Ontario to Lafayette

Cheapest flights from Ontario to Lafayette
Explore the most affordable flight options available from Ontario to Lafayette. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.

This Delta deal was found by Cheapflights users on 7/25. 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.
Wed 11/2510:59 pm
ONT
-
LFT
1 stop9h 34m
Delta
Wed 12/26:00 am
LFT
-
ONT
1 stop7h 27m
Delta
Deal found 7/25$449
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Tue 8/259:15 am
ONT
-
LFT
1 stop6h 32m
United Airlines
Sat 8/2912:03 pm
LFT
-
ONT
1 stop8h 09m
United Airlines
Deal found 7/26$459
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Sat 8/225:00 am
ONT
-
LFT
2 stops12h 32m
United Airlines
Sat 9/194:04 pm
LFT
-
ONT
1 stop7h 55m
United Airlines
Deal found 7/27$464
This American Airlines deal was found by Cheapflights users on 7/25. 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 11/259:29 am
ONT
-
LFT
2 stops11h 23m
American Airlines
Wed 12/23:56 pm
LFT
-
ONT
1 stop8h 23m
American Airlines
Deal found 7/25$521
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Tue 8/115:00 am
ONT
-
LFT
2 stops12h 32m
United Airlines
Sat 8/1512:03 pm
LFT
-
ONT
1 stop8h 09m
United Airlines
Deal found 7/27$534
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Wed 10/75:00 am
ONT
-
LFT
2 stops12h 32m
United Airlines
Tue 10/274:09 pm
LFT
-
ONT
1 stop7h 31m
United Airlines
Deal found 7/27$579
This United Airlines deal was found by Cheapflights users on 7/25. 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 10/59:25 am
ONT
-
LFT
2 stops11h 34m
United Airlines
Tue 10/272:04 pm
LFT
-
ONT
2 stops8h 47m
United Airlines
Deal found 7/25$584
This American Airlines deal was found by Cheapflights users on 7/29. 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 7/3111:59 pm
ONT
-
LFT
1 stop8h 23m
American Airlines
Mon 8/38:03 pm
LFT
-
ONT
1 stop5h 56m
American Airlines
Deal found 7/29$589
This United Airlines deal was found by Cheapflights users on 7/27. 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 7/316:00 am
ONT
-
LFT
2 stops10h 21m
United Airlines
Sun 8/25:15 am
LFT
-
ONT
2 stops8h 57m
United Airlines
Deal found 7/27$600

Find flight deals from Ontario to Lafayette

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Lafayette (LFT). 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 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$449
(Delta)

One-way from

$423
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$594
Provider with most accurate pricing for Ontario-Lafayette Regional flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Lafayette Regional flights.
Search Deals
From Ontario to Lafayette Regional
Search Deals
One-way flight from Ontario to Lafayette Regional
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($3 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($17 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 Ontario to Lafayette 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 30, 2026.
Use the filters below to find and compare flights from Ontario to Lafayette that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Wed 11/25

10:59 pm-10:33 am

1 stop9h 34m

Lafayette Regional

Wed 12/2

6:00 am-11:27 am

1 stop7h 27m

$449
Quickest round-trip

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Mon 10/5

6:00 am-1:22 pm

1 stop5h 22m

Lafayette Regional

Tue 10/27

4:09 pm-9:40 pm

1 stop7h 31m

$459

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Tue 8/25

9:15 am-5:47 pm

1 stop6h 32m

Lafayette Regional

Sat 8/29

12:03 pm-6:12 pm

1 stop8h 09m

$459

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Thu 10/1

6:00 am-3:29 pm

1 stop7h 29m

Lafayette Regional

Tue 10/27

5:15 am-3:33 pm

2 stops12h 18m

$464

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Sat 8/22

5:00 am-7:32 pm

2 stops12h 32m

Lafayette Regional

Sat 9/19

4:04 pm-9:59 pm

1 stop7h 55m

$464

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Fri 10/30

6:00 am-5:43 pm

1 stop9h 43m

Lafayette Regional

Sun 11/1

5:15 am-12:29 pm

2 stops9h 14m

$615

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Wed 11/25

9:29 am-7:25 pm

2 stops7h 56m

Lafayette Regional

Wed 12/2

5:30 am-12:00 pm

2 stops8h 30m

$683

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Fri 10/9

6:00 am-3:29 pm

1 stop7h 29m

Lafayette Regional

Mon 10/12

4:10 pm-9:59 pm

1 stop7h 49m

$689

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Wed 10/7

5:00 am-7:32 pm

2 stops12h 32m

Lafayette Regional

Mon 10/26

4:09 pm-9:40 pm

1 stop7h 31m

$694
Cheapest one-way

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Wed 10/14

5:00 am-5:47 pm

2 stops10h 47m

$423

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Compare providers for flights from Ontario to Lafayette

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 Ontario to Lafayette in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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 Ontario-Lafayette flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Lafayette flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Lafayette flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Lafayette 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 Ontario-Lafayette 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 Ontario to Lafayette

Have a flexible travel schedule? Discover the best time to fly to Lafayette from Ontario 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 Lafayette

Get insights into the airlines that provide service to Lafayette. 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 Lafayette. Reviews last updated July 30, 2026.
Read through reviews of airlines operating flights from Ontario to Lafayette, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,839 reviews

Comfort

7.2

Entertainment

6.8

Crew

7.9

Food

6.4

Boarding

7.5

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.1
Good
11,839 reviews
American Airlines
7.1
Good
11,839 reviews

Comfort

7.2

Entertainment

6.8

Crew

7.9

Food

6.4

Boarding

7.5

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

Find useful and relevant information for your journey from Ontario to Lafayette. 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 Ontario to Lafayette?

    For as low as $459, Delta can have you in Lafayette from Ontario in 5h 22m. The distance between Ontario and Lafayette is about 1517 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Our cheapest airline available from Ontario to Lafayette is American Airlines. Our recent data shows that you can find tickets from as low as $308 on this airline.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Lafayette 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

Traveling to a place near Lafayette?

Book flights to Lafayette if you plan to visit one of these locations
Opelousas

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.

Top airline flying from Ontario to Lafayette

Discover the top airline that operate flights from Ontario to Lafayette. 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 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$308Average$453FlexibilityNo 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.