HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lafayette

$349+ Cheap flights from Ontario to Lafayette (ONT - LFT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LFT
jul. 2 — jul. 91
jue. 7/2
jue. 7/9
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 junio 2, 2026.

This United Airlines deal was found by Cheapflights users on 6/1. 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.
jue. 9/246:00 am
ONT
-
LFT
1 stop5h 22m
United Airlines
mar. 9/294:10 pm
LFT
-
ONT
1 stop7h 48m
United Airlines
Deal found 6/1$349
This Delta deal was found by Cheapflights users on 5/31. 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.
jue. 8/1312:00 pm
ONT
-
LFT
1 stop7h 41m
Delta
mar. 8/186:05 am
LFT
-
ONT
2 stops12h 19m
Delta
Deal found 5/31$354
This United Airlines deal was found by Cheapflights users on 5/31. 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.
jue. 8/131:18 pm
ONT
-
LFT
2 stops7h 41m
United Airlines
mar. 8/1812:03 pm
LFT
-
ONT
2 stops9h 58m
United Airlines
Deal found 5/31$464
This United Airlines deal was found by Cheapflights users on 5/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/25:45 am
ONT
-
LFT
1 stop7h 43m
United Airlines
jue. 6/114:09 pm
LFT
-
ONT
1 stop7h 46m
United Airlines
Deal found 5/30$527
This Delta deal was found by Cheapflights users on 6/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/27:05 am
ONT
-
LFT
1 stop7h 18m
Delta
vie. 7/103:29 pm
LFT
-
ONT
1 stop8h 21m
Delta
Deal found 6/1$534
This United Airlines deal was found by Cheapflights users on 5/28. 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.
sáb. 8/295:00 am
ONT
-
LFT
2 stops10h 47m
United Airlines
mié. 9/212:03 pm
LFT
-
ONT
2 stops9h 58m
United Airlines
Deal found 5/28$538
This United Airlines deal was found by Cheapflights users on 6/1. 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.
vie. 6/195:45 am
ONT
-
LFT
1 stop7h 43m
United Airlines
jue. 7/94:09 pm
LFT
-
ONT
1 stop7h 46m
United Airlines
Deal found 6/1$564
This United Airlines deal was found by Cheapflights users on 5/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/235:45 am
ONT
-
LFT
1 stop7h 43m
United Airlines
dom. 7/265:15 am
LFT
-
ONT
2 stops8h 57m
United Airlines
Deal found 5/30$586
This United Airlines deal was found by Cheapflights users on 6/1. 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.
mié. 7/15:45 am
ONT
-
LFT
1 stop7h 43m
United Airlines
jue. 7/94:09 pm
LFT
-
ONT
1 stop7h 46m
United Airlines
Deal found 6/1$608

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 junio 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(United Airlines)

Popular in

February

Cheapest in

June

Average price

$288
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
Highest demand for flights based on searches. 5% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 junio 2, 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
Quickest round-trip

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

jue. 9/24

6:00 am-1:22 pm

1 stop5h 22m

Lafayette Regional

mar. 9/29

4:10 pm-9:58 pm

1 stop7h 48m

$349

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

jue. 8/13

12:00 pm-9:41 pm

1 stop7h 41m

Lafayette Regional

mar. 8/18

6:05 am-4:24 pm

2 stops12h 19m

$354

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

jue. 7/2

7:05 am-4:23 pm

1 stop7h 18m

Lafayette Regional

vie. 7/10

3:29 pm-9:50 pm

1 stop8h 21m

$534

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

sáb. 8/29

5:00 am-5:47 pm

2 stops10h 47m

Lafayette Regional

mié. 9/2

12:03 pm-8:01 pm

2 stops9h 58m

$538

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

vie. 6/19

5:45 am-3:28 pm

1 stop7h 43m

Lafayette Regional

jue. 7/9

5:15 am-12:47 pm

2 stops9h 32m

$569

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

jue. 7/23

5:45 am-3:28 pm

1 stop7h 43m

Lafayette Regional

dom. 7/26

5:15 am-12:12 pm

2 stops8h 57m

$586

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

jue. 6/18

5:45 am-3:28 pm

1 stop7h 43m

Lafayette Regional

jue. 7/9

5:15 am-12:47 pm

2 stops9h 32m

$614
Cheapest one-way

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

sáb. 8/29

12:00 pm-9:41 pm

1 stop7h 41m

$374
Quickest one-way

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

jue. 9/3

7:05 am-4:28 pm

1 stop7h 23m

$374

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

vie. 9/4

12:00 pm-9:41 pm

1 stop7h 41m

$374

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/30

Showing 1-10 of 13 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 June.
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 junio 2, 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
11,638 reviews

Crew

7.9

Food

6.4

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!
American Airlines
7.1
Good
11,638 reviews
American Airlines
7.1
Good
11,638 reviews

Crew

7.9

Food

6.4

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!

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 $349, United Airlines 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. You may be able to fly from Ontario to Lafayette for 35% less than the average price by searching for 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 junio 2, 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.