How long is the flight from Ontario to Lafayette?

For as low as $359, American Airlines can have you in Lafayette from Ontario in 6h 33m. 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 38% less than the average price by searching for this airline.

In terms of precipitation, rainfall in Lafayette ranges from 3.8 - 7.1 inches per month. June is typically the wettest month, when rainfall can reach 7.1 in. March is typically the driest time to visit Lafayette when rainfall is around 3.8 in.

If weather is an important factor for your trip to Lafayette, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Lafayette as you normally would.

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.

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.

$359+ Cheap Flights from Ontario to Lafayette

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1. Tell us where you want to go

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Cheap flight deals from Ontario to Lafayette

Cheapest

Best

Last-minute

One-way

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 August 23, 2026.

Tue 9/222:22 pm -

1 stop6h 33m

Sat 9/266:18 pm -

1 stop6h 19m

Deal found 8/22

$359

Tue 9/226:00 am -

1 stop7h 29m

Sat 9/2612:03 pm -

2 stops12h 56m

Deal found 8/22

$364

Fri 9/410:29 am -

1 stop7h 11m

Sun 9/66:00 am -

1 stop5h 34m

Deal found 8/19

$429

Tue 11/106:00 am -

1 stop7h 32m

Sat 11/144:09 pm -

1 stop7h 31m

Deal found 8/18

$459

Fri 9/410:29 am -

1 stop7h 11m

Tue 9/85:27 pm -

1 stop7h 32m

Deal found 8/20

$492

Fri 9/46:00 am -

1 stop7h 29m

Sun 9/65:20 am -

2 stops8h 52m

Deal found 8/19

$514

Sat 9/55:00 am -

2 stops12h 32m

Sat 9/124:04 pm -

1 stop7h 55m

Deal found 8/22

$544

Sat 9/195:00 am -

2 stops14h 02m

Tue 9/225:20 am -

2 stops10h 41m

Deal found 8/20

$547

Best flights from Ontario to Lafayette
Discover carefully curated flight deals from Ontario to Lafayette that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.

Tue 9/222:22 pm -

1 stop6h 33m

Sat 9/266:18 pm -

1 stop6h 19m

Deal found 8/22

$359

Tue 9/226:08 am -

2 stops11h 24m

Sat 9/262:10 pm -

2 stops8h 48m

Deal found 8/22

$369

Tue 11/106:00 am -

1 stop7h 32m

Sat 11/144:09 pm -

1 stop7h 31m

Deal found 8/18

$459

Fri 9/46:00 am -

1 stop7h 29m

Sun 9/65:20 am -

2 stops8h 52m

Deal found 8/19

$514

Sat 9/195:00 am -

2 stops14h 02m

Tue 9/225:20 am -

2 stops10h 41m

Deal found 8/22

$547

Sat 9/55:00 am -

2 stops12h 32m

Sat 9/1212:03 pm -

2 stops10h 50m

Deal found 8/22

$549

Thu 9/39:01 am -

2 stops11h 58m

Thu 9/174:04 pm -

1 stop7h 55m

Deal found 8/18

$579

Last-minute flights from Ontario to Lafayette
Discover last-minute flight deals from Ontario to Lafayette. Data last updated August 23, 2026 and is based on user searches.

Sat 8/227:05 am -

1 stop7h 51m

Tue 8/256:00 am -

1 stop7h 43m

Deal found 8/20

$555

Sun 8/236:00 am -

1 stop7h 29m

Sat 8/2912:03 pm -

1 stop8h 09m

Deal found 8/22

$554

Fri 9/410:29 am -

1 stop7h 11m

Sun 9/66:00 am -

1 stop5h 34m

Deal found 8/19

$429

Fri 9/410:29 am -

1 stop7h 11m

Tue 9/85:27 pm -

1 stop7h 32m

Deal found 8/20

$492

Fri 9/46:00 am -

1 stop7h 29m

Sun 9/65:20 am -

2 stops8h 52m

Deal found 8/19

$514

Sat 9/55:00 am -

2 stops12h 32m

Sat 9/124:04 pm -

1 stop7h 55m

Deal found 8/22

$544

Sat 9/195:00 am -

2 stops14h 02m

Tue 9/225:20 am -

2 stops10h 41m

Deal found 8/20

$547

Tue 9/222:22 pm -

1 stop6h 33m

Sat 9/266:18 pm -

1 stop6h 19m

Deal found 8/22

$359

Tue 9/226:00 am -

1 stop7h 29m

Sat 9/2612:03 pm -

2 stops12h 56m

Deal found 8/22

$364

Find flight deals from Ontario to Lafayette

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$429 (American Airlines)
One-way from	$379 (United Airlines)
Popular in	February
Cheapest in	March
Average price	$487

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

One-way flight from Ontario to Lafayette Regional

Search Deals

High demand for flights, 0% potential price rise

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

OntarioLafayette

ONT Ontario - LFT Lafayette Regional

ONTLFT

Ontario

Tue 9/22

2:22 pm-10:55 pm

1 stop6h 33m

Lafayette Regional

Sat 9/26

6:18 pm-10:37 pm

1 stop6h 19m

$359

OntarioLafayette

ONT Ontario - LFT Lafayette Regional

ONTLFT

Ontario

Tue 9/22

6:08 am-7:32 pm

2 stops11h 24m

Lafayette Regional

Sat 9/26

2:10 pm-8:58 pm

2 stops8h 48m

$369

OntarioLafayette

ONT Ontario - LFT Lafayette Regional

ONTLFT

Ontario

Tue 11/10

6:00 am-3:32 pm

1 stop7h 32m

Lafayette Regional

Sat 11/14

4:09 pm-9:40 pm

1 stop7h 31m

$459

OntarioLafayette

ONT Ontario - LFT Lafayette Regional

ONTLFT

Ontario

Fri 9/4

6:00 am-3:29 pm

1 stop7h 29m

Lafayette Regional

Sun 9/6

5:20 am-12:12 pm

2 stops8h 52m

$514

OntarioLafayette

ONT Ontario - LFT Lafayette Regional

ONTLFT

Ontario

Sat 9/19

5:00 am-9:02 pm

2 stops14h 02m

Lafayette Regional

Tue 9/22

5:20 am-2:01 pm

2 stops10h 41m

$547

OntarioLafayette

ONT Ontario - LFT Lafayette Regional

ONTLFT

Ontario

Sat 9/5

5:00 am-7:32 pm

2 stops12h 32m

Lafayette Regional

Sat 9/12

12:03 pm-8:53 pm

2 stops10h 50m

$549

OntarioLafayette

ONT Ontario - LFT Lafayette Regional

ONTLFT

Ontario

Thu 9/3

9:01 am-10:59 pm

2 stops11h 58m

Lafayette Regional

Thu 9/17

4:04 pm-9:59 pm

1 stop7h 55m

$579

Cheapest one-way

Quickest one-way

OntarioLafayette

ONT Ontario - LFT Lafayette Regional

ONTLFT

Ontario

Thu 10/15

6:00 am-1:22 pm

1 stop5h 22m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Sorted by cheapest first

Compare providers for flights from Ontario to Lafayette

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Lafayette in August.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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.

ONT-LFT

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

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

11,988 reviews

Reviews

1 / 20

2.0

Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

American Airlines

7.1

Good

11,988 reviews

American Airlines

7.1

Good

11,988 reviews

Reviews

1 / 20

2.0

Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

How long is the flight from Ontario to Lafayette?
For as low as $359, American Airlines can have you in Lafayette from Ontario in 6h 33m. 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 38% 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

Opelousas

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Top airline flying from Ontario to Lafayette

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$308	Average$463	FlexibilityNo cancel fee	On-time71%

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$359+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Lafayette with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Lafayette

Cheapest flights from Ontario to LafayetteExplore 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 August 23, 2026.

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 August 23, 2026.

Best flights from Ontario to LafayetteDiscover carefully curated flight deals from Ontario to Lafayette that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.

Discover carefully curated flight deals from Ontario to Lafayette that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.

Last-minute flights from Ontario to LafayetteDiscover last-minute flight deals from Ontario to Lafayette. Data last updated August 23, 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Lafayette. Data last updated August 23, 2026 and is based on user searches.

One-way flights from Ontario to LafayetteSearch for one-way flight options from Ontario to Lafayette. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.

Search for one-way flight options from Ontario to Lafayette. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.

Find flight deals from Ontario to Lafayette

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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 August.

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.

Reviews of airlines servicing Lafayette

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.

Related info for your journey

How long is the flight from Ontario to Lafayette?

What is the cheapest airline to fly from Ontario to Lafayette round-trip?

Can I find deals for flights from Ontario to Lafayette that include hotel bookings?

How can I find direct flights from Ontario to Lafayette?

Can I find deals for business class flights from Ontario to Lafayette?

Traveling to a place near Lafayette?

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.

Complete your trip

Complete your trip to Lafayette by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Ontario to Lafayette by cabin class

Find flights from Ontario to Lafayette, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Lafayette

Explore flights to Lafayette departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 23, 2026.

Ontario and Lafayette flights

Browse other Ontario and Lafayette flight options. Last updated on August 23, 2026.

Other flights from Ontario

Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on August 23, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top airline flying from Ontario to Lafayette

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Book with Flexibility

Travel Smart

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 August 23, 2026.

Best flights from Ontario to Lafayette
Discover carefully curated flight deals from Ontario to Lafayette that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.

Last-minute flights from Ontario to Lafayette
Discover last-minute flight deals from Ontario to Lafayette. Data last updated August 23, 2026 and is based on user searches.

One-way flights from Ontario to Lafayette
Search for one-way flight options from Ontario to Lafayette. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.