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Cheap flights from Ontario to Lafayette from $343

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Lafayette departing on 10/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to Lafayette

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:33 pm - 10:43 pmONT-LFT
7h 10m2 stops
United Airlines Logo
6:05 pm - 9:49 pmLFT-ONT
5h 44m1 stop
$439United Airlines
Find Deal
Tue, Oct 28 - Fri, Nov 7
United Airlines Logo
1:33 pm - 10:43 pmONT-LFT
7h 10m2 stops
United Airlines Logo
5:20 am - 12:37 pmLFT-ONT
9h 17m2 stops
$482United Airlines
Find Deal
Tue, Oct 28 - Fri, Nov 7
United Airlines Logo
6:00 am - 1:25 pmONT-LFT
5h 25m1 stop
United Airlines Logo
2:05 pm - 10:52 pmLFT-ONT
10h 47m2 stops
$504United Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
United Airlines Logo
6:00 am - 1:25 pmONT-LFT
5h 25m1 stop
United Airlines Logo
9:45 am - 9:24 pmLFT-ONT
13h 39m1 stop
$549United Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
United Airlines Logo
6:05 am - 3:27 pmONT-LFT
7h 22m1 stop
United Airlines Logo
6:05 pm - 9:49 pmLFT-ONT
5h 44m1 stop
$925United Airlines
Find Deal
Tue, Oct 28 - Fri, Nov 7
United Airlines Logo
5:05 am - 7:23 pmONT-LFT
12h 18m2 stops
United Airlines Logo
4:10 pm - 9:24 pmLFT-ONT
7h 14m1 stop
$934United Airlines
Find Deal
Sun, Oct 12 - Mon, Oct 13
United Airlines Logo
6:00 am - 3:33 pmONT-LFT
7h 33m1 stop
United Airlines Logo
9:45 am - 9:24 pmLFT-ONT
13h 39m1 stop
$1,026United Airlines
Find Deal
Sun, Oct 12 - Mon, Oct 13
United Airlines Logo
5:05 am - 7:23 pmONT-LFT
12h 18m2 stops
United Airlines Logo
5:15 am - 5:23 pmLFT-ONT
14h 08m2 stops
$1,034United Airlines
Find Deal
Sun, Oct 12 - Mon, Oct 13
United Airlines Logo
6:04 am - 1:22 pmONT-LFT
5h 18m1 stop
United Airlines Logo
9:40 am - 9:52 pmLFT-ONT
14h 12m1 stop
$1,037United Airlines
Find Deal
Thu, Dec 18 - Sun, Dec 21
United Airlines Logo
6:00 am - 3:33 pmONT-LFT
7h 33m1 stop
United Airlines Logo
4:10 pm - 9:24 pmLFT-ONT
7h 14m1 stop
$1,137United Airlines
Find Deal
Sun, Oct 12 - Mon, Oct 13

United Airlines flights from Ontario to Lafayette

Our best United Airlines deals on Ontario to Lafayette flight tickets
United Airlines
Oct 28
ONT1:33 pmOntario
7h 10m
2 stops
LFT10:43 pmLafayette Regional
Nov 7
LFT6:05 pmLafayette Regional
5h 44m
1 stop
ONT9:49 pmOntario
$439
Find similar
United Airlines
Oct 28
ONT1:33 pmOntario
7h 10m
2 stops
LFT10:43 pmLafayette Regional
Nov 7
LFT5:20 amLafayette Regional
9h 17m
2 stops
ONT12:37 pmOntario
$482
Find similar
United Airlines
Oct 16
ONT6:00 amOntario
5h 25m
1 stop
LFT1:25 pmLafayette Regional
Oct 20
LFT2:05 pmLafayette Regional
10h 47m
2 stops
ONT10:52 pmOntario
$504
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated October 1, 2025.
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

Price

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Tue 10/28

1:33 pm-10:43 pm

2 stops7h 10m

Lafayette Regional

Fri 11/7

6:05 pm-9:49 pm

1 stop5h 44m

$439

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Tue 10/28

1:33 pm-10:43 pm

2 stops7h 10m

Lafayette Regional

Fri 11/7

5:20 am-12:37 pm

2 stops9h 17m

$482

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Thu 10/16

6:00 am-1:25 pm

1 stop5h 25m

Lafayette Regional

Mon 10/20

2:05 pm-10:52 pm

2 stops10h 47m

$504

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Thu 10/16

6:00 am-1:25 pm

1 stop5h 25m

Lafayette Regional

Mon 10/20

9:45 am-9:24 pm

1 stop13h 39m

$549

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Tue 10/28

6:05 am-3:27 pm

1 stop7h 22m

Lafayette Regional

Fri 11/7

6:05 pm-9:49 pm

1 stop5h 44m

$925

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Sun 10/12

5:05 am-7:23 pm

2 stops12h 18m

Lafayette Regional

Mon 10/13

4:10 pm-9:24 pm

1 stop7h 14m

$934

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Sun 10/12

6:00 am-3:33 pm

1 stop7h 33m

Lafayette Regional

Mon 10/13

9:45 am-9:24 pm

1 stop13h 39m

$1,026

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Sun 10/12

5:05 am-7:23 pm

2 stops12h 18m

Lafayette Regional

Mon 10/13

5:15 am-5:23 pm

2 stops14h 08m

$1,034

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Thu 12/18

6:04 am-1:22 pm

1 stop5h 18m

Lafayette Regional

Sun 12/21

9:40 am-9:52 pm

1 stop14h 12m

$1,037

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Sun 10/12

6:00 am-3:33 pm

1 stop7h 33m

Lafayette Regional

Mon 10/13

4:10 pm-9:24 pm

1 stop7h 14m

$1,137

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Lafayette from

How to get the cheapest flight ticket from Ontario to Lafayette

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Lafayette?

The cheapest day to depart from Ontario to Lafayette is on a Saturday. Travelers who choose to depart for Lafayette on a Saturday will often find tickets for as low as $408. The most expensive day to fly to Lafayette is Monday, with ticket prices averaging around $552.

What is the cheapest time of day to depart on your flight to Lafayette?

In the evening is the cheapest time of day to fly from Ontario to Lafayette when you can find flight prices for as low as $400. Flying to Lafayette in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $453 on average. Flights to Lafayette from Ontario at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Ontario to Lafayette

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Lafayette according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Lafayette (ONT to LFT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Lafayette

Direct flights

None
There are no direct flights from Ontario to Lafayette. There are no popular flight routes from Ontario to Lafayette.
Search flight deals

  • How far is Ontario to Lafayette Regional by plane?

    There are 1517.6 mi between Ontario and Lafayette Regional. Flights usually cover this in 5h 18m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Ontario Airport to Lafayette Regional Airport?

    Prices for flights from Ontario Airport to Lafayette Regional Airport are updated daily.

  • How many operators does momondo search for flights from Ontario Airport to Lafayette Regional Airport?

  • How old do you have to be to fly from Ontario Airport to Lafayette Regional Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Lafayette Regional Airport.

  • What documentation or ID do you need to fly to Lafayette Regional Airport?

    The necessary travel and health documents for your Lafayette Regional Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Ontario to Lafayette?

Best airlines flying from Ontario to Lafayette

Compare and see reviews for airlines that fly from Ontario to Lafayette with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $288Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
American AirlinesPriceFrom $288Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Lafayette?

Book flights to Lafayette if you plan to visit one of these locations
Opelousas

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Lafayette?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Lafayette. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Lafayette with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Lafayette from Ontario with this policy.

How can momondo help me find flights from Ontario to Lafayette?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Lafayette.

I’m not ready to book a flight from Ontario to Lafayette right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Lafayette now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Lafayette and let you know when they change.

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