$349+ 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 24 — Jul 311
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
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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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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 June 24, 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 June 24, 2026.
This American Airlines deal was found by Cheapflights users on 6/23. 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.
Fri 7/1711:59 pm
ONT
- LFT
1 stop8h 23m
American Airlines
Tue 7/218:03 pm
LFT
- ONT
1 stop5h 56m
American Airlines
Deal found 6/23![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Thu 9/246:00 am
ONT
- LFT
1 stop5h 22m
United Airlines
Tue 9/295:15 am
LFT
- ONT
2 stops11h 56m
United Airlines
Deal found 6/23![United Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 6/22. 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.
Tue 6/307:05 am
ONT
- LFT
1 stop7h 18m
Delta
Tue 7/1411:37 am
LFT
- ONT
1 stop8h 53m
Delta
Deal found 6/22![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 6/22. 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.
Tue 6/307:05 am
ONT
- LFT
1 stop7h 18m
Delta
Wed 7/153:29 pm
LFT
- ONT
1 stop8h 21m
Delta
Deal found 6/22![Delta logo]()
$419
This Delta deal was found by Cheapflights users on 6/22. 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.
Tue 6/307:05 am
ONT
- LFT
1 stop7h 18m
Delta
Thu 7/93:29 pm
LFT
- ONT
1 stop8h 21m
Delta
Deal found 6/22![Delta logo]()
$424
This American Airlines deal was found by Cheapflights users on 6/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2711:59 pm
ONT
- LFT
1 stop8h 22m
American Airlines
Sun 7/128:03 pm
LFT
- ONT
1 stop5h 56m
American Airlines
Deal found 6/21![American Airlines logo]()
$447
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Tue 10/276:00 am
ONT
- LFT
1 stop7h 31m
United Airlines
Sat 10/314:06 pm
LFT
- ONT
1 stop7h 44m
United Airlines
Deal found 6/22![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 6/23. 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 6/257:05 am
ONT
- LFT
1 stop7h 18m
Delta
Tue 7/143:29 pm
LFT
- ONT
1 stop8h 21m
Delta
Deal found 6/23![Delta logo]()
$464
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 June 24, 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 June 24, 2026.
This American Airlines deal was found by Cheapflights users on 6/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1711:59 pm
ONT
- LFT
1 stop8h 23m
American Airlines
Mon 7/208:03 pm
LFT
- ONT
1 stop5h 56m
American Airlines
Deal found 6/20![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 6/19. 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 10/276:00 am
ONT
- LFT
1 stop7h 31m
United Airlines
Sat 10/314:06 pm
LFT
- ONT
1 stop7h 44m
United Airlines
Deal found 6/19![United Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 6/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1911:59 pm
ONT
- LFT
1 stop7h 33m
American Airlines
Fri 11/274:01 pm
LFT
- ONT
1 stop8h 22m
American Airlines
Deal found 6/21![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 6/19. 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 8/75:45 am
ONT
- LFT
1 stop7h 43m
United Airlines
Sat 8/85:15 am
LFT
- ONT
2 stops8h 57m
United Airlines
Deal found 6/19![United Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 6/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/191:13 pm
ONT
- LFT
2 stops7h 52m
United Airlines
Fri 11/274:06 pm
LFT
- ONT
1 stop7h 44m
United Airlines
Deal found 6/21![United Airlines logo]()
$489
Last-minute flights from Ontario to LafayetteDiscover last-minute flight deals from Ontario to Lafayette. Data last updated June 24, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Lafayette. Data last updated June 24, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/23. 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 6/257:05 am
ONT
- LFT
1 stop7h 18m
Delta
Tue 7/143:29 pm
LFT
- ONT
1 stop8h 21m
Delta
Deal found 6/23![Delta logo]()
$464
This American Airlines deal was found by Cheapflights users on 6/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2711:59 pm
ONT
- LFT
1 stop8h 22m
American Airlines
Sun 7/128:03 pm
LFT
- ONT
1 stop5h 56m
American Airlines
Deal found 6/21![American Airlines logo]()
$447
This Delta deal was found by Cheapflights users on 6/22. 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.
Tue 6/307:05 am
ONT
- LFT
1 stop7h 18m
Delta
Tue 7/1411:37 am
LFT
- ONT
1 stop8h 53m
Delta
Deal found 6/22![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 6/22. 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.
Tue 6/307:05 am
ONT
- LFT
1 stop7h 18m
Delta
Wed 7/153:29 pm
LFT
- ONT
1 stop8h 21m
Delta
Deal found 6/22![Delta logo]()
$419
This Delta deal was found by Cheapflights users on 6/22. 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.
Tue 6/307:05 am
ONT
- LFT
1 stop7h 18m
Delta
Thu 7/93:29 pm
LFT
- ONT
1 stop8h 21m
Delta
Deal found 6/22![Delta logo]()
$424
This Delta deal was found by Cheapflights users on 6/21. 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.
Tue 6/307:05 am
ONT
- LFT
1 stop7h 18m
Delta
Sat 7/1811:37 am
LFT
- ONT
1 stop8h 53m
Delta
Deal found 6/21![Delta logo]()
$474
This Delta deal was found by Cheapflights users on 6/22. 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.
Tue 6/307:05 am
ONT
- LFT
1 stop7h 18m
Delta
Mon 7/133:29 pm
LFT
- ONT
1 stop8h 21m
Delta
Deal found 6/22![Delta logo]()
$488
This American Airlines deal was found by Cheapflights users on 6/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1311:59 pm
ONT
- LFT
1 stop8h 23m
American Airlines
Wed 7/228:03 pm
LFT
- ONT
1 stop5h 56m
American Airlines
Deal found 6/22![American Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 6/23. 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.
Fri 7/1711:59 pm
ONT
- LFT
1 stop8h 23m
American Airlines
Tue 7/218:03 pm
LFT
- ONT
1 stop5h 56m
American Airlines
Deal found 6/23![American Airlines logo]()
$349
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 June 24, 2026.
Search for one-way flight options from Ontario to Lafayette. Find affordable one-way fares based on user searches. Data last updated June 24, 2026.
This American Airlines deal was found by Cheapflights users on 6/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/297:00 am
ONT
- LFT
1 stop7h 56m
American Airlines
Deal found 6/24![American Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 6/23. 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 7/291:18 pm
ONT
- LFT
2 stops7h 37m
United Airlines
Deal found 6/23![United Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 6/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:11 am
ONT
- LFT
2 stops11h 22m
American Airlines
Deal found 6/24![American Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 6/24. 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 6/305:45 am
ONT
- LFT
1 stop7h 43m
United Airlines
Deal found 6/24![United Airlines logo]()
$461
This American Airlines deal was found by Cheapflights users on 6/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:13 pm
ONT
- LFT
2 stops13h 08m
American Airlines
Deal found 6/24![American Airlines logo]()
$466
This American Airlines deal was found by Cheapflights users on 6/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2910:22 am
ONT
- LFT
1 stop7h 07m
American Airlines
Deal found 6/24![American Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 6/24. 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.
Mon 6/295:00 am
ONT
- LFT
2 stops12h 26m
United Airlines
Deal found 6/24![United Airlines logo]()
$520
This United Airlines deal was found by Cheapflights users on 6/23. 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 7/55:00 am
ONT
- LFT
2 stops8h 30m
United Airlines
Deal found 6/23![United Airlines logo]()
$745
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Thu 7/301:50 pm
ONT
- LFT
3 stops26h 31m
United Airlines
Deal found 6/23![United Airlines logo]()
$753
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 June 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $349 (American Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $474 |
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 June 24, 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
Quickest round-trip
OntarioLafayette
ONT - LFT
ONTLFT
Ontario
Fri 7/17
11:59 pm-10:22 am
1 stop8h 23m
Lafayette Regional
Mon 7/20
8:03 pm-11:59 pm
1 stop5h 56m
$349
OntarioLafayette
ONT - LFT
ONTLFT
Ontario
Thu 11/19
11:59 pm-9:32 am
1 stop7h 33m
Lafayette Regional
Fri 11/27
4:01 pm-10:23 pm
1 stop8h 22m
$349
OntarioLafayette
ONT - LFT
ONTLFT
Ontario
Tue 10/27
6:00 am-3:31 pm
1 stop7h 31m
Lafayette Regional
Sat 10/31
4:06 pm-9:50 pm
1 stop7h 44m
$449
OntarioLafayette
ONT - LFT
ONTLFT
Ontario
Fri 8/7
5:45 am-3:28 pm
1 stop7h 43m
Lafayette Regional
Sat 8/8
5:15 am-12:12 pm
2 stops8h 57m
$454
OntarioLafayette
ONT - LFT
ONTLFT
Ontario
Thu 11/19
1:13 pm-11:05 pm
2 stops7h 52m
Lafayette Regional
Fri 11/27
4:06 pm-9:50 pm
1 stop7h 44m
$489
Cheapest one-way
OntarioLafayette
ONT - LFT
ONTLFT
Ontario
Thu 7/30
11:59 pm-10:22 am
1 stop8h 23m
$374
OntarioLafayette
ONT - LFT
ONTLFT
Ontario
Wed 7/29
7:00 am-4:56 pm
1 stop7h 56m
$374
Quickest one-way
OntarioLafayette
ONT - LFT
ONTLFT
Ontario
Wed 7/29
1:18 pm-10:55 pm
2 stops7h 37m
$379
OntarioLafayette
ONT - LFT
ONTLFT
Ontario
Thu 7/30
6:00 am-7:26 pm
2 stops11h 26m
$379
OntarioLafayette
ONT - LFT
ONTLFT
Ontario
Tue 6/30
5:45 am-3:28 pm
1 stop7h 43m
$461
Showing 1-10 of 11 resultsSorted 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 June.
| 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 June 24, 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.
Boarding
7.5
Crew
7.9
Entertainment
6.8
Comfort
7.2
Overall
7.1
Food
6.4
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
Boarding
7.5
Crew
7.9
Entertainment
6.8
Comfort
7.2
Overall
7.1
Food
6.4
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
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 June 24, 2026.
Ontario and Lafayette flights
Browse other Ontario and Lafayette flight options. Last updated on June 24, 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 June 24, 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 June 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$308 | Average$483 | FlexibilityNo cancel fee | On-time71% |