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$289+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
LFT — ONT
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap 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 August 18, 2025.

Round-trip from

$379
(United Airlines)

One-way from

$289
(United Airlines)

Popular in

May

Cheapest in

October

Average price

$331
From Lafayette Regional to Ontario
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One-way flight from Lafayette Regional to Ontario
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Highest demand for flights based on searches. 24% potential increase in price ($160 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 18, 2025.

This United Airlines deal was found by Cheapflights users on 8/18. 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 9/154:07 pmLFT - ONT
1 stop7h 18mUnited Airlines
Mon 9/226:04 amONT - LFT
1 stop7h 26mUnited Airlines
Deal found 8/18$379
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/69:57 amLFT - ONT
2 stops12h 36mUnited Airlines
Sat 9/136:04 amONT - LFT
1 stop7h 26mUnited Airlines
Deal found 8/16$384
This United Airlines deal was found by Cheapflights users on 8/16. 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 10/44:10 pmLFT - ONT
1 stop7h 14mUnited Airlines
Thu 10/96:00 amONT - LFT
1 stop9h 45mUnited Airlines
Deal found 8/16$844
This United Airlines deal was found by Cheapflights users on 8/15. 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 10/175:15 amLFT - ONT
1 stop18h 09mUnited Airlines
Mon 10/206:00 amONT - LFT
1 stop9h 45mUnited Airlines
Deal found 8/15$1,287

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 August 18, 2025.
Use the filters below to find and compare flights from Lafayette to Ontario that are best for you.

Fly from

Lafayette

Fly to

Ontario

Route

Depart

Return

Price

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Mon 9/15

4:07 pm-9:25 pm

1 stop7h 18m

Ontario

Mon 9/22

6:04 am-3:30 pm

1 stop7h 26m

$379

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Sat 9/6

9:57 am-8:33 pm

2 stops12h 36m

Ontario

Sat 9/13

6:04 am-3:30 pm

1 stop7h 26m

$384

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Sat 10/4

4:10 pm-9:24 pm

1 stop7h 14m

Ontario

Thu 10/9

6:00 am-5:45 pm

1 stop9h 45m

$844

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Fri 10/17

5:15 am-9:24 pm

1 stop18h 09m

Ontario

Mon 10/20

6:00 am-5:45 pm

1 stop9h 45m

$1,287

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Fri 9/19

7:00 am-9:25 pm

1 stop16h 25m

$289

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Fri 8/29

5:17 am-12:13 pm

2 stops8h 56m

$470

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

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.

Cheapflights Insights

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

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

Currently, August is the cheapest month in which you can book a flight from Lafayette to Ontario (average of $246). Flying from Lafayette to Ontario in March is currently the most expensive (average of $328). 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.

What is the cheapest time of day to fly from LFT to ONT?

Find hourly flight availability from Lafayette to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

It’s optimal to fly from Lafayette to Ontario in the morning. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight at noon.

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 August 18, 2025.
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
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.5

Crew

8.0

Boarding

7.5

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Michael,Oct 2024

MSY - DCA

On time flight. Cabin not cleaned prior to flight. Trash in seat pocket.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.5

Crew

8.0

Boarding

7.5

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Michael,Oct 2024

MSY - DCA

On time flight. Cabin not cleaned prior to flight. Trash in seat pocket.

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 7h 18m. 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 $258.

  • 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.

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

    Currently, August is the cheapest month in which you can book a flight from Lafayette to Ontario (average of $246). Flying from Lafayette to Ontario in March is currently the most expensive (average of $328). 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.

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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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$313FlexibilityNo cancel feeOn-time71%

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