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Cheap flights from Helena to Los Angeles from $175

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Helena to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:00 am - 12:17 pmHLN  Helena-ONT Ontario
6h 17m1 stop Salt Lake City
Delta Logo
5:04 pm - 10:26 pmONT  Ontario-HLN Helena
4h 22m1 stop Salt Lake City
$349Delta
Sat, Nov 14 - Tue, Nov 17
Delta Logo
7:00 am - 5:16 pmHLN  Helena-ONT Ontario
11h 16m2 stops Salt Lake City Seattle/Tacoma Intl
Delta Logo
6:00 am - 12:27 pmONT  Ontario-HLN Helena
5h 27m1 stop Salt Lake City
$354Delta
Sat, Nov 14 - Tue, Nov 17
Delta Logo
1:07 pm - 11:00 pmHLN  Helena-ONT Ontario
10h 53m2 stops Salt Lake City Seattle/Tacoma Intl
Delta Logo
5:04 pm - 10:26 pmONT  Ontario-HLN Helena
4h 22m1 stop Salt Lake City
$354Delta
Fri, Nov 13 - Tue, Nov 17
United Airlines Logo
2:23 pm - 8:51 pmHLN  Helena-ONT Ontario
7h 28m1 stop Denver Intl
United Airlines Logo
5:00 am - 1:40 pmONT  Ontario-HLN Helena
7h 40m1 stop Denver Intl
$366United Airlines
Thu, Nov 19 - Mon, Nov 23
Alaska Airlines Logo
4:41 pm - 11:06 pmHLN  Helena-ONT Ontario
7h 25m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:09 pm - 4:04 pmONT  Ontario-HLN Helena
22h 55m1 stop Seattle/Tacoma Intl
$396Alaska Airlines
Fri, Nov 13 - Tue, Nov 17
Delta Logo
1:07 pm - 11:00 pmHLN  Helena-ONT Ontario
10h 53m2 stops Salt Lake City Seattle/Tacoma Intl
Delta Logo
5:56 pm - 12:27 pmONT  Ontario-HLN Helena
17h 31m2 stops Seattle/Tacoma Intl Salt Lake City
$406Delta
Fri, Nov 13 - Tue, Nov 17
Delta Logo
1:07 pm - 11:00 pmHLN  Helena-ONT Ontario
10h 53m2 stops Salt Lake City Seattle/Tacoma Intl
Delta Logo
11:57 am - 12:27 pmONT  Ontario-HLN Helena
23h 30m2 stops Seattle/Tacoma Intl Salt Lake City
$406Delta
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
6:28 am - 12:33 pmHLN  Helena-ONT Ontario
7h 05m1 stop Denver Intl
United Airlines Logo
5:00 am - 1:40 pmONT  Ontario-HLN Helena
7h 40m1 stop Denver Intl
$449United Airlines
Sat, Nov 14 - Tue, Nov 17
Alaska Airlines Logo
4:41 pm - 11:18 amHLN  Helena-ONT Ontario
19h 37m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:06 pm - 4:04 pmONT  Ontario-HLN Helena
22h 58m2 stops Boise Air Term. Gowen Fld Seattle/Tacoma Intl
$458Alaska Airlines
Sat, Nov 14 - Tue, Nov 17
Alaska Airlines Logo
4:41 pm - 11:18 amHLN  Helena-ONT Ontario
19h 37m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:06 pm - 4:04 pmONT  Ontario-HLN Helena
22h 58m2 stops Boise Air Term. Gowen Fld Seattle/Tacoma Intl
$483Alaska Airlines
Sat, Nov 14 - Tue, Nov 17

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Delta flights from Helena to Ontario

Our best Delta deals on Helena to Ontario flight tickets
Delta
Nov 14
HLN7:00 amHelena
6h 17m
1 stop
ONT12:17 pmOntario
Nov 17
ONT5:04 pmOntario
4h 22m
1 stop
HLN10:26 pmHelena
$349
Delta
Nov 13
HLN1:07 pmHelena
10h 53m
2 stops
ONT11:00 pmOntario
Nov 17
ONT5:04 pmOntario
4h 22m
1 stop
HLN10:26 pmHelena
$354
Delta
Nov 13
HLN1:07 pmHelena
10h 53m
2 stops
ONT11:00 pmOntario
Nov 17
ONT5:56 pmOntario
17h 31m
2 stops
HLN12:27 pmHelena
$406

United Airlines flights from Helena to Ontario

Our best United Airlines deals on Helena to Ontario flight tickets
United Airlines
Nov 19
HLN2:23 pmHelena
7h 28m
1 stop
ONT8:51 pmOntario
Nov 23
ONT5:00 amOntario
7h 40m
1 stop
HLN1:40 pmHelena
$366
United Airlines
Nov 14
HLN6:28 amHelena
7h 05m
1 stop
ONT12:33 pmOntario
Nov 17
ONT5:00 amOntario
7h 40m
1 stop
HLN1:40 pmHelena
$449
United Airlines
Oct 15
HLN2:30 pmHelena
7h 28m
1 stop
ONT8:58 pmOntario
Oct 18
ONT5:00 amOntario
7h 48m
1 stop
HLN1:48 pmHelena
$574

momondo Fare Finder

 
Use the filters below to find and compare flights from Helena to Ontario that are best for you.

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Price

Cheapest round-trip
Quickest round-trip

HelenaOntario

HLN Helena - ONT Ontario

HLNONT

Helena

Sat 11/14

7:00 am-12:17 pm

1 stop6h 17m

Ontario

Tue 11/17

5:04 pm-10:26 pm

1 stop4h 22m

$349

HelenaOntario

HLN Helena - ONT Ontario

HLNONT

Helena

Sat 11/14

7:00 am-5:16 pm

2 stops11h 16m

Ontario

Tue 11/17

6:00 am-12:27 pm

1 stop5h 27m

$354

HelenaOntario

HLN Helena - ONT Ontario

HLNONT

Helena

Fri 11/13

1:07 pm-11:00 pm

2 stops10h 53m

Ontario

Tue 11/17

5:04 pm-10:26 pm

1 stop4h 22m

$354

HelenaOntario

HLN Helena - ONT Ontario

HLNONT

Helena

Thu 11/19

2:23 pm-8:51 pm

1 stop7h 28m

Ontario

Mon 11/23

5:00 am-1:40 pm

1 stop7h 40m

$366

HelenaOntario

HLN Helena - ONT Ontario

HLNONT

Helena

Fri 11/13

4:41 pm-11:06 pm

1 stop7h 25m

Ontario

Tue 11/17

4:09 pm-4:04 pm

1 stop22h 55m

$396

HelenaOntario

HLN Helena - ONT Ontario

HLNONT

Helena

Fri 11/13

1:07 pm-11:00 pm

2 stops10h 53m

Ontario

Tue 11/17

5:56 pm-12:27 pm

2 stops17h 31m

$406

HelenaOntario

HLN Helena - ONT Ontario

HLNONT

Helena

Sat 11/14

1:07 pm-11:00 pm

2 stops10h 53m

Ontario

Tue 11/17

11:57 am-12:27 pm

2 stops23h 30m

$406

HelenaOntario

HLN Helena - ONT Ontario

HLNONT

Helena

Sat 11/14

6:28 am-12:33 pm

1 stop7h 05m

Ontario

Tue 11/17

5:00 am-1:40 pm

1 stop7h 40m

$449

HelenaOntario

HLN Helena - ONT Ontario

HLNONT

Helena

Sat 11/14

4:41 pm-11:18 am

1 stop19h 37m

Ontario

Tue 11/17

4:06 pm-4:04 pm

2 stops22h 58m

$458

HelenaOntario

HLN Helena - ONT Ontario

HLNONT

Helena

Sat 11/14

4:41 pm-11:18 am

1 stop19h 37m

Ontario

Tue 11/17

4:06 pm-4:04 pm

2 stops22h 58m

$483

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Helena 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 airline that flies from Helena to Ontario?

Delta and Alaska Airlines are the most popular carriers operating from Helena to Ontario

What airlines fly to Ontario?

United Airlines, Delta and Alaska Airlines are the top three most popular airlines that fly to Ontario from Helena according to our data. United Airlines is the first choice among our users, with 41% 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 Helena to Ontario

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

Cheap Helena to Ontario (HLN to ONT) flight deals and tips

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

Best Price Found

$175

Fastest flight time

7h 28m

Direct flights

None
The best one-way flight to Ontario from Helena in the past 72 hours is $175. The best round-trip flight deal from Helena to Ontario found on momondo in the last 72 hours is $349.
The fastest flight from Helena to Ontario takes 7h 28m
There are no direct flights from Helena to Ontario. There are no popular flight routes from Helena to Ontario.
Search flight deals

Frequently asked questions about flying from Helena to Ontario

  • How far is Helena to Ontario by plane?

    The straight-line distance from Helena to Ontario is 913.6 mi. Flights usually cover this in 7h 28m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Helena Airport to Ontario Airport were last updated today.

  • How old do you have to be to fly from Helena 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 Helena 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 Helena to Ontario?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Helena to Ontario for you.

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

All flight searches from Helena to Ontario on momondo can be filtered to show those which offer flexible booking policies.

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

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 Helena to Ontario.

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

Yes. momondo can track prices for Helena to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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