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Cheap flights from Lewiston, Idaho to Los Angeles from $307

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lewiston, Idaho to Los Angeles departing on 12/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Lewiston, Idaho to Los Angeles

Cheap round-trip flights

Multiple Airlines Logo
LWS-ONT
851 mimulti-stop
Multiple Airlines Logo
ONT-LWS
851 mimulti-stop
Multiple Airlines
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Customize your flight search to find flights from Lewiston, Idaho to Ontario 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 August 28, 2025.
Use the filters below to find and compare flights from Lewiston, Idaho to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LewistonOntario

LWS - ONT

LWSONT

Lewiston Nez Perce Rgnl

Wed 12/31

7:15 am-12:36 pm

1 stop5h 21m

$307

LewistonOntario

LWS - ONT

LWSONT

Lewiston Nez Perce Rgnl

Fri 1/2

12:30 pm-10:42 pm

2 stops10h 12m

$312

LewistonOntario

LWS - ONT

LWSONT

Lewiston Nez Perce Rgnl

Tue 12/30

12:30 pm-10:42 pm

2 stops10h 12m

$369

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Lewiston, Idaho to Ontario

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 Ontario?

The cheapest day to depart on your flight to Ontario is on a Thursday when prices can be found for as low as $238. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Lewiston, Idaho to Ontario for around $732.

When to book flights from Lewiston, Idaho to Ontario

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

Cheap Lewiston, Idaho to Ontario (LWS to ONT) flight deals and tips

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

Direct flights

None
There are no direct flights from Lewiston, Idaho to Ontario. There are no popular flight routes from Lewiston, Idaho to Ontario.
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  • How far is Lewiston Nez Perce Rgnl to Ontario by plane?

    The distance between Lewiston Nez Perce Rgnl and Ontario is about 852.5 mi.

  • When did momondo last update prices for flights from Lewiston Nez Perce Rgnl Airport to Ontario Airport?

    Prices for flights from Lewiston Nez Perce Rgnl Airport to Ontario Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Lewiston Nez Perce Rgnl Airport to Ontario 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 Lewiston Nez Perce Rgnl Airport to Ontario Airport.

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

    The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

It is quick and easy to find Lewiston to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

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

Yes. momondo allows you to filter the results for Lewiston to Ontario flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Lewiston.

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

Yes momondo offers price alerts on flights to Ontario from Lewiston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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