HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lafayette

$339+ 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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LFT
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
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

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 2, 2025.

Round-trip from

$339
(American Airlines)

Popular in

September

Cheapest in

April

Average price

$398
From Ontario to Lafayette Regional
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 2, 2025.

This American Airlines deal was found by Cheapflights users on 7/2. 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 7/1711:59 pmONT - LFT
1 stop8h 12mAmerican Airlines
Mon 7/217:31 pmLFT - ONT
1 stop6h 23mAmerican Airlines
Deal found 7/2$339
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Tue 7/156:00 amONT - LFT
1 stop7h 31mUnited Airlines
Wed 7/305:15 amLFT - ONT
2 stops8h 58mUnited Airlines
Deal found 7/1$464
This Delta deal was found by Cheapflights users on 7/1. 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.
Sat 7/57:05 amONT - LFT
1 stop7h 56mDelta
Wed 7/93:34 pmLFT - ONT
1 stop8h 53mDelta
Deal found 7/1$704

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 2, 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

Thu 7/17

11:59 pm-10:11 am

1 stop8h 12m

Lafayette Regional

Mon 7/21

7:31 pm-11:54 pm

1 stop6h 23m

$339

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Tue 7/15

6:00 am-3:31 pm

1 stop7h 31m

Lafayette Regional

Wed 7/30

5:15 am-12:13 pm

2 stops8h 58m

$464

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Thu 7/31

6:00 am-1:21 pm

1 stop5h 21m

$365

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 $434). 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 July 2, 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
8,861 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.0

Food

6.6

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
8,861 reviews
United Airlines
7.4
Good
8,861 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.0

Food

6.6

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
8,861 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.0

Food

6.6

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.

  • 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 $339 on this airline. An additional option worth looking into is United Airlines, starting at $464. You may be able to fly from Ontario to Lafayette for 22% 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 $434). 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 Ontario?

Book flights to Ontario 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.

Alternative routes for Ontario to Lafayette

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to New Orleans flights
San Francisco to New Orleans flights
Ontario to New Orleans flights
Burbank to New Orleans flights
Las Vegas to New Orleans flights
San Diego to New Orleans flights
Santa Ana to New Orleans flights
Oakland to New Orleans flights
San Jose to New Orleans flights
Los Angeles to Baton Rouge flights
Sacramento to New Orleans flights
Los Angeles to Shreveport flights
Palm Springs to New Orleans flights
Long Beach to New Orleans flights
Fresno to New Orleans flights
Reno to New Orleans flights
San Francisco to Shreveport flights
Ontario to Baton Rouge flights
Santa Ana to Baton Rouge flights
Ontario to Shreveport flights
San Francisco to Baton Rouge flights
Los Angeles to Lafayette flights
Monterey to New Orleans flights
San Francisco to Lafayette flights
Medford to New Orleans flights
Ontario to Alexandria flights
Las Vegas to Baton Rouge flights
Sacramento to Baton Rouge flights
Santa Rosa to New Orleans flights
Sacramento to Shreveport flights
Santa Barbara to New Orleans flights
San Francisco to Monroe flights
Las Vegas to Shreveport flights
San Diego to Shreveport flights
Santa Ana to Shreveport flights
San Luis Obispo to New Orleans flights
Burbank to Shreveport flights
Sacramento to Monroe flights
San Luis Obispo to Shreveport flights
Los Angeles to Monroe flights
San Jose to Baton Rouge flights
Burbank to Baton Rouge flights
San Diego to Baton Rouge flights
Ontario to Monroe flights
San Francisco to Alexandria flights
Palm Springs to Baton Rouge flights
Los Angeles to Lake Charles flights
San Jose to Lake Charles flights
Las Vegas to Monroe flights

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 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$398FlexibilityNo 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.