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Cheap flights from Boise to Los Angeles from $69

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Los Angeles departing on 3/17. 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 Boise to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:09 pm - 7:16 pm
BOI
-
ONT
2h 07mnonstop
Alaska Airlines Logo
7:56 pm - 10:57 pm
ONT
-
BOI
2h 01mnonstop
$96Alaska Airlines
sáb., ene. 17 - mar., ene. 20
Alaska Airlines Logo
6:09 pm - 7:16 pm
BOI
-
ONT
2h 07mnonstop
Alaska Airlines Logo
7:56 pm - 10:57 pm
ONT
-
BOI
2h 01mnonstop
$97Alaska Airlines
mar., ene. 13 - mar., ene. 20
Southwest Logo
6:40 am - 12:25 pm
BOI
-
ONT
6h 45m1 stop
Southwest Logo
3:15 pm - 10:30 pm
ONT
-
BOI
6h 15m1 stop
$101Southwest
mar., feb. 10 - mar., feb. 10
Alaska Airlines Logo
6:09 pm - 7:16 pm
BOI
-
ONT
2h 07mnonstop
Alaska Airlines Logo
7:56 pm - 10:57 pm
ONT
-
BOI
2h 01mnonstop
$106Alaska Airlines
jue., ene. 15 - mar., ene. 20
Alaska Airlines Logo
6:09 pm - 7:16 pm
BOI
-
ONT
2h 07mnonstop
Alaska Airlines Logo
7:56 pm - 10:57 pm
ONT
-
BOI
2h 01mnonstop
$107Alaska Airlines
jue., ene. 8 - sáb., ene. 10
Alaska Airlines Logo
6:09 pm - 7:16 pm
BOI
-
ONT
2h 07mnonstop
Alaska Airlines Logo
7:56 pm - 10:57 pm
ONT
-
BOI
2h 01mnonstop
$117Alaska Airlines
jue., ene. 8 - lun., ene. 12
Alaska Airlines Logo
6:09 pm - 7:16 pm
BOI
-
ONT
2h 07mnonstop
Alaska Airlines Logo
7:56 pm - 10:57 pm
ONT
-
BOI
2h 01mnonstop
$127Alaska Airlines
vie., ene. 9 - mar., ene. 13
Southwest Logo
10:45 am - 2:20 pm
BOI
-
ONT
4h 35m1 stop
Southwest Logo
5:50 am - 11:05 am
ONT
-
BOI
4h 15m1 stop
$133Southwest
jue., ene. 8 - sáb., ene. 17
Southwest Logo
7:05 am - 10:25 am
BOI
-
ONT
4h 20m1 stop
Southwest Logo
3:15 pm - 11:10 pm
ONT
-
BOI
6h 55m2 stops
$135Southwest
mar., feb. 10 - mar., feb. 10
Alaska Airlines Logo
6:09 pm - 7:16 pm
BOI
-
ONT
2h 07mnonstop
Alaska Airlines Logo
7:56 pm - 10:57 pm
ONT
-
BOI
2h 01mnonstop
$137Alaska Airlines
vie., ene. 9 - lun., ene. 12

Alaska Airlines flights from Boise to Ontario

Our best Alaska Airlines deals on Boise to Ontario flight tickets
Alaska Airlines
Jan 13
BOI6:09 pmBoise Air Term. Gowen Fld
2h 07m
ONT7:16 pmOntario
Jan 17
ONT7:56 pmOntario
2h 01m
BOI10:57 pmBoise Air Term. Gowen Fld
$97
Find similar
Alaska Airlines
Jan 15
BOI6:09 pmBoise Air Term. Gowen Fld
2h 07m
ONT7:16 pmOntario
Jan 20
ONT7:56 pmOntario
2h 01m
BOI10:57 pmBoise Air Term. Gowen Fld
$106
Find similar
Alaska Airlines
Jan 8
BOI6:09 pmBoise Air Term. Gowen Fld
2h 07m
ONT7:16 pmOntario
Jan 10
ONT7:56 pmOntario
2h 01m
BOI10:57 pmBoise Air Term. Gowen Fld
$107
Find similar

Southwest flights from Boise to Ontario

Our best Southwest deals on Boise to Ontario flight tickets
Southwest
Jan 8
BOI10:45 amBoise Air Term. Gowen Fld
4h 35m
1 stop
ONT2:20 pmOntario
Jan 17
ONT5:50 amOntario
4h 15m
1 stop
BOI11:05 amBoise Air Term. Gowen Fld
$133
Find similar
Southwest
Jan 23
BOI4:00 pmBoise Air Term. Gowen Fld
5h 20m
1 stop
ONT8:20 pmOntario
Jan 26
ONT2:25 pmOntario
7h 45m
1 stop
BOI11:10 pmBoise Air Term. Gowen Fld
$148
Find similar
Southwest
Jan 8
BOI10:45 amBoise Air Term. Gowen Fld
4h 35m
1 stop
ONT2:20 pmOntario
Jan 12
ONT5:35 pmOntario
3h 40m
1 stop
BOI10:15 pmBoise Air Term. Gowen Fld
$174
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boise 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 diciembre 4, 2025.
Use the filters below to find and compare flights from Boise to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

sáb. 1/17

6:09 pm-7:16 pm

Nonstop2h 07m

Ontario

mar. 1/20

7:56 pm-10:57 pm

Nonstop2h 01m

$96

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

mar. 1/13

6:09 pm-7:16 pm

Nonstop2h 07m

Ontario

mar. 1/20

7:56 pm-10:57 pm

Nonstop2h 01m

$97

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

mar. 2/10

6:40 am-12:25 pm

1 stop6h 45m

Ontario

mar. 2/10

3:15 pm-10:30 pm

1 stop6h 15m

$101

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

jue. 1/15

6:09 pm-7:16 pm

Nonstop2h 07m

Ontario

mar. 1/20

7:56 pm-10:57 pm

Nonstop2h 01m

$106

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

jue. 1/8

6:09 pm-7:16 pm

Nonstop2h 07m

Ontario

sáb. 1/10

7:56 pm-10:57 pm

Nonstop2h 01m

$107

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

jue. 1/8

6:09 pm-7:16 pm

Nonstop2h 07m

Ontario

lun. 1/12

7:56 pm-10:57 pm

Nonstop2h 01m

$117

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

vie. 1/9

6:09 pm-7:16 pm

Nonstop2h 07m

Ontario

mar. 1/13

7:56 pm-10:57 pm

Nonstop2h 01m

$127

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

jue. 1/8

10:45 am-2:20 pm

1 stop4h 35m

Ontario

sáb. 1/17

5:50 am-11:05 am

1 stop4h 15m

$133

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

mar. 2/10

7:05 am-10:25 am

1 stop4h 20m

Ontario

mar. 2/10

3:15 pm-11:10 pm

2 stops6h 55m

$135

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

vie. 1/9

6:09 pm-7:16 pm

Nonstop2h 07m

Ontario

lun. 1/12

7:56 pm-10:57 pm

Nonstop2h 01m

$137

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

How to get the cheapest flight ticket from Boise 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, August is the cheapest month to fly from Boise to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $235. If you aren’t able to travel during the month of August, then book flights to Ontario from Boise during January instead. Flights to Ontario in January, while not as cheap as those in August, still average around $277.

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 Saturday when prices can be found for as low as $157. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Boise to Ontario for around $497.

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

In the evening is the cheapest time of day to fly from Boise to Ontario when you can find flight prices for as low as $313. Flying to Ontario 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 $374 on average. Flights to Ontario from Boise at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Boise Air Term. Gowen Fld to Ontario flight route?

Fly from Boise Air Term. Gowen Fld to Ontario for the best Boise Air Term. Gowen Fld - Ontario flight prices

How far in advance should I book a flight to Ontario?

You are more likely to see cheaper flights to Ontario from Boise when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $327 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Boise for as low as $137 on momondo.

What cabin class options are available on Boise Air Term. Gowen Fld to Ontario flights?

There is only 1 cabin class available to choose from on Boise Air Term. Gowen Fld to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boise to Ontario flights?

No. A direct flight is the cheapest option for a flight between Boise to Ontario.

How have Boise to Ontario flight prices changed over time?

As of December 2025, prices for Boise to Ontario flights are approximately 47% cheaper when compared to flights at the same time last year.

When to book flights from Boise to Ontario

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

Cheap Boise to Ontario (BOI to ONT) flight deals and tips

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

Best Price Found

$137

Fastest flight time

2h 07m

Direct flights

Every day

Airports in Ontario

1 airport
The best flight deal from Boise to Ontario found on momondo in the last 72 hours is $137
The fastest flight from Boise to Ontario takes 2h 07m
Direct flights go from Boise to Ontario every day.
There is 1 airport near Ontario: Ontario (ONT)
Search flight deals

  • How far is Boise Air Term. Gowen Fld to Ontario by plane?

    Ontario is 663.9 mi away from Boise Air Term. Gowen Fld. Flights usually cover this in 2h 07m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Ontario Airport?

    Prices for flights from Boise Air Term. Gowen Fld Airport to Ontario Airport are updated daily.

  • How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Ontario Airport?

  • How old do you have to be to fly from Boise Air Term. Gowen Fld 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 Boise Air Term. Gowen Fld 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.

  • What is the most popular plane model from Boise to Ontario?

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

Best airlines flying from Boise to Ontario

Compare and see reviews for airlines that fly from Boise to Ontario with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $137Free CancellationRating
8.0
11,400 reviews
Search Alaska Airlines flights
DeltaPriceFrom $158Free CancellationRating
7.9
8,009 reviews
Search Delta flights
United AirlinesPriceFrom $211Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
SouthwestPriceFrom $218Free CancellationRating
8.0
4,252 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Boise 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 Boise.

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

Yes. All flights to Ontario from Boise on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Boise 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 Boise to Ontario.

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

Price alerts on flights to Ontario from Boise 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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