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Cheap flights from Idaho Falls to Los Angeles from $137

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho Falls to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:25 pm - 8:30 amIDA  Idaho Falls Fanning Field-ONT Ontario
11h 05m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
8:15 am - 2:42 pmONT  Ontario-IDA Idaho Falls Fanning Field
5h 27m1 stop Las Vegas Harry Reid Intl
$454Multiple Airlines
Mon, Nov 23 - Mon, Nov 30
Multiple Airlines Logo
10:25 pm - 11:39 amIDA  Idaho Falls Fanning Field-ONT Ontario
14h 14m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
2:01 pm - 1:01 pmONT  Ontario-IDA Idaho Falls Fanning Field
22h 00m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl
$467Multiple Airlines
Mon, Nov 23 - Mon, Nov 30
Alaska Airlines Logo
9:08 am - 3:20 pmIDA  Idaho Falls Fanning Field-ONT Ontario
7h 12m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:00 am - 3:21 pmONT  Ontario-IDA Idaho Falls Fanning Field
7h 21m1 stop Seattle/Tacoma Intl
$473Alaska Airlines
Sat, Jan 23 - Wed, Jan 27
United Airlines Logo
4:20 pm - 9:00 pmIDA  Idaho Falls Fanning Field-ONT Ontario
5h 40m1 stop Denver Intl
United Airlines Logo
5:00 am - 1:28 pmONT  Ontario-IDA Idaho Falls Fanning Field
7h 28m1 stop Denver Intl
$479United Airlines
Tue, Dec 22 - Sat, Jan 2
Alaska Airlines Logo
3:58 pm - 8:02 pmIDA  Idaho Falls Fanning Field-ONT Ontario
5h 04m1 stop Portland
Alaska Airlines Logo
7:10 am - 1:19 pmONT  Ontario-IDA Idaho Falls Fanning Field
5h 09m1 stop Portland
$482Alaska Airlines
Sat, Jan 16 - Sun, Jan 17
Delta Logo
6:45 pm - 11:48 pmIDA  Idaho Falls Fanning Field-ONT Ontario
6h 03m1 stop Salt Lake City
Delta Logo
6:00 am - 12:27 pmONT  Ontario-IDA Idaho Falls Fanning Field
5h 27m1 stop Salt Lake City
$592Delta
Fri, Feb 12 - Sun, Feb 14
United Airlines Logo
7:00 am - 12:33 pmIDA  Idaho Falls Fanning Field-ONT Ontario
6h 33m1 stop Denver Intl
United Airlines Logo
5:00 am - 1:33 pmONT  Ontario-IDA Idaho Falls Fanning Field
7h 33m1 stop Denver Intl
$609United Airlines
Sat, Feb 13 - Sun, Feb 14
United Airlines Logo
2:30 pm - 9:00 pmIDA  Idaho Falls Fanning Field-ONT Ontario
7h 30m1 stop Denver Intl
United Airlines Logo
1:42 pm - 9:10 pmONT  Ontario-IDA Idaho Falls Fanning Field
6h 28m1 stop Denver Intl
$609United Airlines
Thu, Feb 4 - Wed, Feb 10
Delta Logo
1:11 pm - 11:00 pmIDA  Idaho Falls Fanning Field-ONT Ontario
10h 49m2 stops Salt Lake City Seattle/Tacoma Intl
Delta Logo
7:00 am - 6:17 pmONT  Ontario-IDA Idaho Falls Fanning Field
10h 17m2 stops Seattle/Tacoma Intl Salt Lake City
$1,339Delta
Sat, Nov 14 - Tue, Nov 17
Delta Logo
1:05 pm - 10:43 pmIDA  Idaho Falls Fanning Field-ONT Ontario
10h 38m2 stops Salt Lake City Seattle/Tacoma Intl
Delta Logo
6:20 am - 6:16 pmONT  Ontario-IDA Idaho Falls Fanning Field
10h 56m2 stops Seattle/Tacoma Intl Salt Lake City
$1,967Delta
Fri, Nov 6 - Sun, Nov 8

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Alaska Airlines flights from Idaho Falls to Ontario

Our best Alaska Airlines deals on Idaho Falls to Ontario flight tickets
Alaska Airlines
Jan 23
IDA9:08 amIdaho Falls Fanning Field
7h 12m
1 stop
ONT3:20 pmOntario
Jan 27
ONT7:00 amOntario
7h 21m
1 stop
IDA3:21 pmIdaho Falls Fanning Field
$473
Alaska Airlines
Jan 23
IDA3:58 pmIdaho Falls Fanning Field
19h 40m
2 stops
ONT10:38 amOntario
Jan 27
ONT7:00 amOntario
7h 21m
1 stop
IDA3:21 pmIdaho Falls Fanning Field
$482
Alaska Airlines
Jan 23
IDA3:58 pmIdaho Falls Fanning Field
5h 04m
1 stop
ONT8:02 pmOntario
Jan 27
ONT7:10 amOntario
7h 11m
2 stops
IDA3:21 pmIdaho Falls Fanning Field
$488

United Airlines flights from Idaho Falls to Ontario

Our best United Airlines deals on Idaho Falls to Ontario flight tickets
United Airlines
Dec 22
IDA4:20 pmIdaho Falls Fanning Field
5h 40m
1 stop
ONT9:00 pmOntario
Jan 2
ONT5:00 amOntario
7h 28m
1 stop
IDA1:28 pmIdaho Falls Fanning Field
$479
United Airlines
Feb 4
IDA2:30 pmIdaho Falls Fanning Field
7h 30m
1 stop
ONT9:00 pmOntario
Feb 10
ONT1:42 pmOntario
6h 28m
1 stop
IDA9:10 pmIdaho Falls Fanning Field
$609
United Airlines
Nov 21
IDA2:35 pmIdaho Falls Fanning Field
7h 16m
1 stop
ONT8:51 pmOntario
Nov 24
ONT5:00 amOntario
7h 28m
1 stop
IDA1:28 pmIdaho Falls Fanning Field
$616

momondo Fare Finder

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

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Cheapest round-trip

Idaho FallsOntario

IDA Idaho Falls Fanning Field - ONT Ontario

IDAONT

Idaho Falls Fanning Field

Mon 11/23

10:25 pm-8:30 am

1 stop11h 05m

Ontario

Mon 11/30

8:15 am-2:42 pm

1 stop5h 27m

$454

Idaho FallsOntario

IDA Idaho Falls Fanning Field - ONT Ontario

IDAONT

Idaho Falls Fanning Field

Mon 11/23

10:25 pm-11:39 am

1 stop14h 14m

Ontario

Mon 11/30

2:01 pm-1:01 pm

2 stops22h 00m

$467

Idaho FallsOntario

IDA Idaho Falls Fanning Field - ONT Ontario

IDAONT

Idaho Falls Fanning Field

Sat 1/23

9:08 am-3:20 pm

1 stop7h 12m

Ontario

Wed 1/27

7:00 am-3:21 pm

1 stop7h 21m

$473

Idaho FallsOntario

IDA Idaho Falls Fanning Field - ONT Ontario

IDAONT

Idaho Falls Fanning Field

Tue 12/22

4:20 pm-9:00 pm

1 stop5h 40m

Ontario

Sat 1/2

5:00 am-1:28 pm

1 stop7h 28m

$479
Quickest round-trip

Idaho FallsOntario

IDA Idaho Falls Fanning Field - ONT Ontario

IDAONT

Idaho Falls Fanning Field

Sat 1/16

3:58 pm-8:02 pm

1 stop5h 04m

Ontario

Sun 1/17

7:10 am-1:19 pm

1 stop5h 09m

$482

Idaho FallsOntario

IDA Idaho Falls Fanning Field - ONT Ontario

IDAONT

Idaho Falls Fanning Field

Fri 2/12

6:45 pm-11:48 pm

1 stop6h 03m

Ontario

Sun 2/14

6:00 am-12:27 pm

1 stop5h 27m

$592

Idaho FallsOntario

IDA Idaho Falls Fanning Field - ONT Ontario

IDAONT

Idaho Falls Fanning Field

Sat 2/13

7:00 am-12:33 pm

1 stop6h 33m

Ontario

Sun 2/14

5:00 am-1:33 pm

1 stop7h 33m

$609

Idaho FallsOntario

IDA Idaho Falls Fanning Field - ONT Ontario

IDAONT

Idaho Falls Fanning Field

Thu 2/4

2:30 pm-9:00 pm

1 stop7h 30m

Ontario

Wed 2/10

1:42 pm-9:10 pm

1 stop6h 28m

$609

Idaho FallsOntario

IDA Idaho Falls Fanning Field - ONT Ontario

IDAONT

Idaho Falls Fanning Field

Sat 11/14

1:11 pm-11:00 pm

2 stops10h 49m

Ontario

Tue 11/17

7:00 am-6:17 pm

2 stops10h 17m

$1,339

Idaho FallsOntario

IDA Idaho Falls Fanning Field - ONT Ontario

IDAONT

Idaho Falls Fanning Field

Fri 11/6

1:05 pm-10:43 pm

2 stops10h 38m

Ontario

Sun 11/8

6:20 am-6:16 pm

2 stops10h 56m

$1,967

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Idaho Falls 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 month to fly to Ontario?

In general, July is the cheapest month to fly from Idaho Falls to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel during the month of July, then book flights to Ontario from Idaho Falls during February instead. Flights to Ontario in February, while not as cheap as those in July, still average around $155.

When to book flights from Idaho Falls to Ontario

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

Cheap Idaho Falls to Ontario (IDA to ONT) flight deals and tips

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

Best Price Found

$137

Fastest flight time

5h 52m

Direct flights

None
The best one-way flight to Ontario from Idaho Falls in the past 72 hours is $137. The best round-trip flight deal from Idaho Falls to Ontario found on momondo in the last 72 hours is $454.
The fastest flight from Idaho Falls to Ontario takes 5h 52m
There are no direct flights from Idaho Falls to Ontario. There are no popular flight routes from Idaho Falls to Ontario.
Search flight deals

Frequently asked questions about flying from Idaho Falls to Ontario

  • How far is Idaho Falls Fanning Field to Ontario by plane?

    There are 715.8 mi between Idaho Falls Fanning Field and Ontario. A reasonable flight in good conditions will take 5h 52m.

  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Ontario Airport?

    Prices for flights from Idaho Falls Fanning Field Airport to Ontario Airport were last updated today.

  • How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Ontario Airport?

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport to Ontario Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Ontario Airport.

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

    The necessary travel and health documents for your Ontario 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 Idaho Falls to Ontario?

Best airlines flying from Idaho Falls to Ontario

Compare and see reviews for airlines that fly from Idaho Falls to Ontario with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $121Free CancellationRating
7.8
8,677 reviews
Search Delta flights
United AirlinesPriceFrom $143Free CancellationRating
7.3
10,440 reviews
Search United Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Idaho Falls.

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

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

How can momondo help me find flights from Idaho Falls to Ontario?

momondo helps you find the best flight between Idaho Falls and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Ontario from Idaho Falls are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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