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Ontario

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

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
LFT — ONT
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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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 25, 2026.

This Delta deal was found by Cheapflights users on 7/20. 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 8/1011:43 am
LFT
-
ONT
1 stop8h 47m
Delta
Mon 8/1712:00 pm
ONT
-
LFT
1 stop7h 41m
Delta
Deal found 7/20$349
This Delta deal was found by Cheapflights users on 7/20. 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 8/1011:43 am
LFT
-
ONT
1 stop8h 47m
Delta
Sun 8/1612:00 pm
ONT
-
LFT
1 stop7h 41m
Delta
Deal found 7/20$379
This Delta deal was found by Cheapflights users on 7/22. 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 8/1911:43 am
LFT
-
ONT
1 stop10h 10m
Delta
Tue 8/2512:00 pm
ONT
-
LFT
1 stop7h 41m
Delta
Deal found 7/22$389
This Delta deal was found by Cheapflights users on 7/20. 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.
Tue 8/1111:43 am
LFT
-
ONT
1 stop10h 10m
Delta
Sun 8/1612:00 pm
ONT
-
LFT
1 stop7h 41m
Delta
Deal found 7/20$409
This Delta deal was found by Cheapflights users on 7/21. 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.
Thu 10/153:06 pm
LFT
-
ONT
1 stop8h 55m
Delta
Sun 10/1811:15 pm
ONT
-
LFT
1 stop9h 33m
Delta
Deal found 7/21$454
This United Airlines deal was found by Cheapflights users on 7/20. 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 8/185:20 am
LFT
-
ONT
2 stops8h 52m
United Airlines
Sat 8/225:00 am
ONT
-
LFT
2 stops12h 32m
United Airlines
Deal found 7/20$459
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/1912:03 pm
LFT
-
ONT
2 stops9h 58m
United Airlines
Tue 8/259:15 am
ONT
-
LFT
1 stop6h 32m
United Airlines
Deal found 7/22$464
This United Airlines deal was found by Cheapflights users on 7/20. 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 9/1112:03 pm
LFT
-
ONT
2 stops9h 58m
United Airlines
Sun 9/136:00 am
ONT
-
LFT
1 stop7h 29m
United Airlines
Deal found 7/20$484
This United Airlines deal was found by Cheapflights users on 7/24. 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 9/19:20 am
LFT
-
ONT
2 stops10h 51m
United Airlines
Fri 10/26:00 am
ONT
-
LFT
1 stop7h 29m
United Airlines
Deal found 7/24$494
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/74:09 pm
LFT
-
ONT
1 stop7h 46m
United Airlines
Sat 8/225:00 am
ONT
-
LFT
2 stops12h 32m
United Airlines
Deal found 7/24$499

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 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(Delta)

Popular in

July

Cheapest in

April

Average price

$553
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
Highest demand for flights based on searches. 2% potential increase in price ($12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 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 25, 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

Mon 8/10

11:43 am-6:30 pm

1 stop8h 47m

Ontario

Mon 8/17

12:00 pm-9:41 pm

1 stop7h 41m

$349

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Tue 8/11

11:43 am-7:53 pm

1 stop10h 10m

Ontario

Mon 8/17

12:00 pm-9:41 pm

1 stop7h 41m

$379
Quickest round-trip

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Thu 8/20

3:24 pm-9:52 pm

1 stop8h 28m

Ontario

Tue 8/25

12:00 pm-9:41 pm

1 stop7h 41m

$389

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Wed 8/19

11:43 am-7:53 pm

1 stop10h 10m

Ontario

Tue 8/25

12:00 pm-9:41 pm

1 stop7h 41m

$389

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Thu 10/15

3:06 pm-10:01 pm

1 stop8h 55m

Ontario

Sun 10/18

11:15 pm-10:48 am

1 stop9h 33m

$454

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Tue 8/18

5:20 am-12:12 pm

2 stops8h 52m

Ontario

Sat 8/22

5:00 am-7:32 pm

2 stops12h 32m

$459

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Thu 8/20

12:03 pm-8:01 pm

2 stops9h 58m

Ontario

Tue 8/25

6:08 am-7:32 pm

2 stops11h 24m

$469

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Mon 9/14

2:00 pm-10:51 pm

2 stops10h 51m

Ontario

Thu 9/24

6:00 am-3:29 pm

1 stop7h 29m

$484

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Tue 9/1

9:20 am-6:11 pm

2 stops10h 51m

Ontario

Fri 10/2

6:00 am-3:29 pm

1 stop7h 29m

$494
Cheapest one-way

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Thu 8/20

4:04 pm-9:59 pm

1 stop7h 55m

$408

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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 25, 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
11,847 reviews

Crew

7.9

Overall

7.1

Entertainment

6.8

Food

6.4

Boarding

7.5

Comfort

7.2

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
11,847 reviews
American Airlines
7.1
Good
11,847 reviews

Crew

7.9

Overall

7.1

Entertainment

6.8

Food

6.4

Boarding

7.5

Comfort

7.2

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 47m. Fly via Delta 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

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Alternative routes for Lafayette to Ontario

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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 July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$261Average$394FlexibilityNo cancel feeOn-time71%

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