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Lafayette

$343+ 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LFT
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap 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 September 15, 2025.

Round-trip from

$379
(United Airlines)

One-way from

$343
(American Airlines)

Popular in

October

Cheapest in

April

Average price

$678
From Ontario to Lafayette Regional
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One-way flight from Ontario to Lafayette Regional
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Highest demand for flights based on searches. 25% potential increase in price ($162 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 15, 2025.

This United Airlines deal was found by Cheapflights users on 9/14. 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 11/186:05 amONT - LFT
1 stop5h 11mUnited Airlines
Tue 12/94:12 pmLFT - ONT
1 stop7h 37mUnited Airlines
Deal found 9/14$379
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/91:15 pmONT - LFT
2 stops7h 53mUnited Airlines
Mon 10/134:10 pmLFT - ONT
1 stop7h 14mUnited Airlines
Deal found 9/14$481
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/612:46 pmONT - LFT
1 stop8h 23mAmerican Airlines
Mon 11/1010:02 amLFT - ONT
1 stop6h 00mAmerican Airlines
Deal found 9/14$491
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/176:00 amONT - LFT
1 stop9h 45mUnited Airlines
Mon 10/202:05 pmLFT - ONT
2 stops10h 47mUnited Airlines
Deal found 9/14$549
This United Airlines deal was found by Cheapflights users on 9/14. 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 11/65:05 amONT - LFT
2 stops15h 38mUnited Airlines
Mon 11/106:05 pmLFT - ONT
2 stops20h 32mUnited Airlines
Deal found 9/14$577
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/911:59 pmONT - LFT
1 stop7h 36mAmerican Airlines
Mon 10/134:36 pmLFT - ONT
1 stop7h 42mAmerican Airlines
Deal found 9/14$583

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 September 15, 2025.
Use the filters below to find and compare flights from Ontario to Lafayette that are best for you.

Fly from

Ontario

Fly to

Lafayette

Route

Depart

Return

Price

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Tue 11/18

6:05 am-1:16 pm

1 stop5h 11m

Lafayette Regional

Tue 12/9

4:12 pm-9:49 pm

1 stop7h 37m

$379

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Thu 10/9

1:15 pm-11:08 pm

2 stops7h 53m

Lafayette Regional

Mon 10/13

4:10 pm-9:24 pm

1 stop7h 14m

$481

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Thu 11/6

12:46 pm-11:09 pm

1 stop8h 23m

Lafayette Regional

Mon 11/10

10:02 am-2:02 pm

1 stop6h 00m

$491

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Fri 10/17

6:00 am-5:45 pm

1 stop9h 45m

Lafayette Regional

Mon 10/20

2:05 pm-10:52 pm

2 stops10h 47m

$549

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Thu 11/6

5:05 am-10:43 pm

2 stops15h 38m

Lafayette Regional

Mon 11/10

6:05 pm-12:37 pm

2 stops20h 32m

$577

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Thu 10/9

11:59 pm-9:35 am

1 stop7h 36m

Lafayette Regional

Mon 10/13

4:36 pm-10:18 pm

1 stop7h 42m

$583

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Mon 11/10

6:10 am-3:31 pm

1 stop7h 21m

$343

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Mon 11/10

5:05 am-11:15 am

2 stops28h 10m

$367

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Mon 10/6

6:00 am-5:45 pm

1 stop9h 45m

$609

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Tue 11/4

6:05 am-10:43 pm

1 stop14h 38m

$792

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 13 results
1
2

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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Lafayette

What is the cheapest month to book a flight from Ontario to Lafayette?

Currently, November is the cheapest month in which you can book a flight from Ontario to Lafayette (average of $323). Flying from Ontario to Lafayette in March is currently the most expensive (average of $436). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 September 15, 2025.
Read through reviews of airlines operating flights from Ontario to Lafayette, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

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 $379, United Airlines can have you in Lafayette from Ontario in 5h 11m. 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 are the cheapest airlines flying 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 $288 on this airline. An additional option worth looking into is United Airlines, starting at $288. You may be able to fly from Ontario to Lafayette for 38% less than the average price by searching for these airlines.

  • 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.

  • What is the cheapest month to book a flight from Ontario to Lafayette?

    Currently, November is the cheapest month in which you can book a flight from Ontario to Lafayette (average of $323). Flying from Ontario to Lafayette in March is currently the most expensive (average of $436). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Lafayette?

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

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Top 2 airlines flying from Ontario to Lafayette

Discover the top 2 airlines 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$288Average$503FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$398FlexibilityNo cancel feeOn-time71%

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