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Cheap flights from Lewiston, Idaho to Los Angeles from $365

This is the cheapest round-trip 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 4/29. 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

Enter your travel dates to find the best prices.
Delta Logo
6:09 am - 1:39 pm
LWS
-
ONT
7h 30m
1 stop
Delta Logo
5:50 pm - 10:55 pm
ONT
-
LWS
5h 05m
1 stop
$365Delta
Wed, Apr 29 - Wed, May 27
Delta Logo
12:13 pm - 10:37 pm
LWS
-
ONT
10h 24m
2 stops
Delta Logo
5:50 pm - 10:55 pm
ONT
-
LWS
5h 05m
1 stop
$371Delta
Wed, Apr 29 - Wed, May 27
Delta Logo
12:13 pm - 10:37 pm
LWS
-
ONT
10h 24m
2 stops
Delta Logo
1:29 pm - 10:55 pm
ONT
-
LWS
9h 26m
2 stops
$422Delta
Wed, Apr 29 - Wed, May 27
Delta Logo
6:10 am - 11:18 am
LWS
-
ONT
5h 08m
1 stop
Delta Logo
6:00 am - 11:27 am
ONT
-
LWS
5h 27m
1 stop
$476Delta
Thu, Apr 2 - Sat, Apr 11
Delta Logo
12:10 pm - 10:34 pm
LWS
-
ONT
10h 24m
2 stops
Delta Logo
6:00 am - 11:27 am
ONT
-
LWS
5h 27m
1 stop
$568Delta
Thu, Apr 2 - Sat, Apr 11
Delta Logo
6:10 am - 11:18 am
LWS
-
ONT
5h 08m
1 stop
Delta Logo
5:53 pm - 11:00 pm
ONT
-
LWS
5h 07m
1 stop
$602Delta
Thu, Apr 2 - Fri, Apr 10
Delta Logo
12:10 pm - 4:28 pm
LWS
-
ONT
4h 18m
1 stop
Delta Logo
6:00 am - 11:27 am
ONT
-
LWS
5h 27m
1 stop
$620Delta
Fri, Apr 3 - Sat, Apr 11
Delta Logo
12:10 pm - 4:28 pm
LWS
-
ONT
4h 18m
1 stop
Delta Logo
6:00 am - 11:27 am
ONT
-
LWS
5h 27m
1 stop
$632Delta
Fri, Apr 3 - Sat, Apr 11
Delta Logo
6:10 am - 11:18 am
LWS
-
ONT
5h 08m
1 stop
Delta Logo
5:09 pm - 11:00 pm
ONT
-
LWS
29h 51m
2 stops
$671Delta
Thu, Apr 2 - Fri, Apr 10
Delta Logo
6:10 am - 11:18 am
LWS
-
ONT
5h 08m
1 stop
Delta Logo
1:20 pm - 11:00 pm
ONT
-
LWS
9h 40m
2 stops
$678Delta
Thu, Apr 2 - Fri, Apr 10

Delta flights from Lewiston, Idaho to Ontario

Our best Delta deals on Lewiston, Idaho to Ontario flight tickets
Delta
Apr 29
LWS6:09 amLewiston Nez Perce Rgnl
7h 30m
1 stop
ONT1:39 pmOntario
May 27
ONT5:50 pmOntario
5h 05m
1 stop
LWS10:55 pmLewiston Nez Perce Rgnl
$365
Delta
Apr 29
LWS12:13 pmLewiston Nez Perce Rgnl
10h 24m
2 stops
ONT10:37 pmOntario
May 27
ONT5:50 pmOntario
5h 05m
1 stop
LWS10:55 pmLewiston Nez Perce Rgnl
$371
Delta
Apr 29
LWS12:13 pmLewiston Nez Perce Rgnl
10h 24m
2 stops
ONT10:37 pmOntario
May 27
ONT1:29 pmOntario
9h 26m
2 stops
LWS10:55 pmLewiston Nez Perce Rgnl
$422

momondo Fare Finder

 
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 March 19, 2026.
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

Cheapest round-trip

LewistonOntario

LWS - ONT

LWSONT

Lewiston Nez Perce Rgnl

Wed 4/29

6:09 am-1:39 pm

1 stop7h 30m

Ontario

Wed 5/27

5:50 pm-10:55 pm

1 stop5h 05m

$365

LewistonOntario

LWS - ONT

LWSONT

Lewiston Nez Perce Rgnl

Wed 4/29

12:13 pm-10:37 pm

2 stops10h 24m

Ontario

Wed 5/27

5:50 pm-10:55 pm

1 stop5h 05m

$371

LewistonOntario

LWS - ONT

LWSONT

Lewiston Nez Perce Rgnl

Wed 4/29

12:13 pm-10:37 pm

2 stops10h 24m

Ontario

Wed 5/27

1:29 pm-10:55 pm

2 stops9h 26m

$422

LewistonOntario

LWS - ONT

LWSONT

Lewiston Nez Perce Rgnl

Thu 4/2

6:10 am-11:18 am

1 stop5h 08m

Ontario

Sat 4/11

6:00 am-11:27 am

1 stop5h 27m

$476

LewistonOntario

LWS - ONT

LWSONT

Lewiston Nez Perce Rgnl

Thu 4/2

12:10 pm-10:34 pm

2 stops10h 24m

Ontario

Sat 4/11

6:00 am-11:27 am

1 stop5h 27m

$568

LewistonOntario

LWS - ONT

LWSONT

Lewiston Nez Perce Rgnl

Thu 4/2

6:10 am-11:18 am

1 stop5h 08m

Ontario

Fri 4/10

5:53 pm-11:00 pm

1 stop5h 07m

$602
Quickest round-trip

LewistonOntario

LWS - ONT

LWSONT

Lewiston Nez Perce Rgnl

Fri 4/3

12:10 pm-4:28 pm

1 stop4h 18m

Ontario

Sat 4/11

6:00 am-11:27 am

1 stop5h 27m

$620

LewistonOntario

LWS - ONT

LWSONT

Lewiston Nez Perce Rgnl

Fri 4/3

12:10 pm-4:28 pm

1 stop4h 18m

Ontario

Sat 4/11

6:00 am-11:27 am

1 stop5h 27m

$632

LewistonOntario

LWS - ONT

LWSONT

Lewiston Nez Perce Rgnl

Thu 4/2

6:10 am-11:18 am

1 stop5h 08m

Ontario

Fri 4/10

5:09 pm-11:00 pm

2 stops29h 51m

$671

LewistonOntario

LWS - ONT

LWSONT

Lewiston Nez Perce Rgnl

Thu 4/2

6:10 am-11:18 am

1 stop5h 08m

Ontario

Fri 4/10

1:20 pm-11:00 pm

2 stops9h 40m

$678

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Los Angeles from

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 airlines fly to Ontario?

Alaska Airlines, Delta and Southwest are the top three most popular airlines that fly to Ontario from Lewiston, Idaho according to our data. Alaska Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 6 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

Fastest flight time

4h 18m

Direct flights

None
The fastest flight from Lewiston, Idaho to Ontario takes 4h 18m
There are no direct flights from Lewiston, Idaho to Ontario. There are no popular flight routes from Lewiston, Idaho to Ontario.
Search flight deals

  • 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. A reasonable flight in good conditions will take 4h 18m.

  • 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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