$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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LFT
Sep 5 — Sep 121
Round-trip
1 adult, Economy
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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
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Best
Last-minute
One-way
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 6, 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 6, 2026.
This Delta deal was found by Cheapflights users on 8/1. 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 8/2212:00 pm -
1 stop7h 41m
Thu 8/273:24 pm -
1 stop8h 28m
Deal found 8/1![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/3. 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 10/206:00 am -
1 stop5h 22m
Tue 10/275:15 am -
2 stops12h 18m
Deal found 8/3![United Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 8/1. 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.
Tue 8/1812:00 pm -
1 stop7h 41m
Sat 8/2211:43 am -
1 stop8h 47m
Deal found 8/1![Delta logo]()
$394
This American Airlines deal was found by Cheapflights users on 8/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:05 am -
1 stop7h 51m
Mon 8/245:27 pm -
1 stop7h 32m
Deal found 8/1![American Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 8/1. 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.
Mon 8/177:05 am -
1 stop7h 23m
Tue 8/2511:43 am -
1 stop10h 10m
Deal found 8/1![Delta logo]()
$429
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/226:00 am -
1 stop5h 09m
Sat 9/264:10 pm -
1 stop7h 49m
Deal found 8/4![United Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 8/1. 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.
Thu 8/2012:00 pm -
1 stop7h 41m
Tue 8/2511:43 am -
2 stops13h 51m
Deal found 8/1![Delta logo]()
$469
This American Airlines deal was found by Cheapflights users on 8/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:00 am -
1 stop5h 41m
Mon 8/245:27 pm -
1 stop7h 32m
Deal found 8/1![American Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Sun 8/166:00 am -
1 stop7h 29m
Sun 8/234:04 pm -
1 stop7h 55m
Deal found 8/1![United Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 8/1. 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 8/189:15 am -
1 stop6h 32m
Thu 8/275:20 am -
2 stops9h 30m
Deal found 8/1![United Airlines logo]()
$499
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 6, 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 6, 2026.
This Delta deal was found by Cheapflights users on 8/1. 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.
Fri 8/2112:00 pm -
1 stop7h 41m
Tue 8/2511:43 am -
1 stop10h 10m
Deal found 8/1![Delta logo]()
$394
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/226:00 am -
1 stop5h 09m
Sat 9/264:10 pm -
1 stop7h 49m
Deal found 8/4![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 8/5. 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 11/146:00 am -
1 stop5h 26m
Tue 11/174:09 pm -
1 stop7h 31m
Deal found 8/5![United Airlines logo]()
$459
Last-minute flights from Ontario to LafayetteDiscover last-minute flight deals from Ontario to Lafayette. Data last updated August 6, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Lafayette. Data last updated August 6, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Sun 8/166:00 am -
1 stop7h 29m
Sun 8/234:04 pm -
1 stop7h 55m
Deal found 8/1![United Airlines logo]()
$494
This Delta deal was found by Cheapflights users on 8/1. 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.
Mon 8/177:05 am -
1 stop7h 23m
Sat 8/2211:43 am -
1 stop8h 47m
Deal found 8/1![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 8/1. 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.
Tue 8/187:05 am -
1 stop7h 23m
Thu 8/273:24 pm -
1 stop8h 28m
Deal found 8/1![Delta logo]()
$394
This United Airlines deal was found by Cheapflights users on 8/1. 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 8/189:15 am -
1 stop6h 32m
Thu 8/275:20 am -
2 stops9h 30m
Deal found 8/1![United Airlines logo]()
$499
This American Airlines deal was found by Cheapflights users on 8/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:00 am -
1 stop5h 41m
Wed 8/262:11 pm -
1 stop6h 36m
Deal found 8/1![American Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 8/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:05 am -
1 stop7h 51m
Mon 8/245:27 pm -
1 stop7h 32m
Deal found 8/1![American Airlines logo]()
$414
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Wed 8/196:08 am -
2 stops11h 24m
Mon 8/245:20 am -
2 stops8h 52m
Deal found 8/1![United Airlines logo]()
$504
This Delta deal was found by Cheapflights users on 8/1. 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.
Thu 8/2012:00 pm -
1 stop7h 41m
Tue 8/2511:43 am -
2 stops13h 51m
Deal found 8/1![Delta logo]()
$469
This Delta deal was found by Cheapflights users on 8/1. 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 8/2212:00 pm -
1 stop7h 41m
Tue 8/2511:43 am -
1 stop10h 10m
Deal found 8/1![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 8/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:00 am -
1 stop5h 41m
Mon 8/245:27 pm -
1 stop7h 32m
Deal found 8/1![American Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 8/3. 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 9/226:00 am -
1 stop5h 09m
Sat 9/264:10 pm -
1 stop7h 49m
Deal found 8/3![United Airlines logo]()
$459
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 6, 2026.
Search for one-way flight options from Ontario to Lafayette. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/146:00 am -
1 stop5h 09m
Deal found 8/4![United Airlines logo]()
$379
Find 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 August 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (Delta) |
Popular in | February |
Cheapest in | March |
Average price | $503 |
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 August 6, 2026.
Use the filters below to find and compare flights from Ontario to Lafayette that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioLafayette
ONT Ontario - LFT Lafayette Regional
ONTLFT
Ontario
Fri 8/21
12:00 pm-9:41 pm
1 stop7h 41m
Lafayette Regional
Tue 8/25
11:43 am-7:53 pm
1 stop10h 10m
$394
OntarioLafayette
ONT Ontario - LFT Lafayette Regional
ONTLFT
Ontario
Tue 9/22
6:00 am-1:09 pm
1 stop5h 09m
Lafayette Regional
Sat 9/26
4:10 pm-9:59 pm
1 stop7h 49m
$459
Quickest round-trip
OntarioLafayette
ONT Ontario - LFT Lafayette Regional
ONTLFT
Ontario
Sat 11/14
6:00 am-1:26 pm
1 stop5h 26m
Lafayette Regional
Tue 11/17
4:09 pm-9:40 pm
1 stop7h 31m
$459
Cheapest one-way
Quickest one-way
OntarioLafayette
ONT Ontario - LFT Lafayette Regional
ONTLFT
Ontario
Mon 9/14
6:00 am-1:09 pm
1 stop5h 09m
$379
Sorted by cheapest first
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.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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
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 August 6, 2026.
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.
Entertainment
6.8
Boarding
7.5
Comfort
7.2
Crew
7.9
Overall
7.1
Food
6.4
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
Entertainment
6.8
Boarding
7.5
Comfort
7.2
Crew
7.9
Overall
7.1
Food
6.4
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
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.
Traveling to a place near Lafayette?
Book flights to Lafayette if you plan to visit one of these locationsOpelousas
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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 6, 2026.
Ontario and Lafayette flights
Browse other Ontario and Lafayette flight options. Last updated on August 6, 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 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 August 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$328 | Average$463 | FlexibilityNo cancel fee | On-time71% |