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Cheap flights from Boise to Ontario from $109

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 Ontario departing on 4/22. 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 Boise to Los Angeles

Cheap round-trip flights

These are some of the best round-trip flight deals from Boise to Los Angeles that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Boise to Los Angeles.

Cheap last minute flights

Planning a quick getaway from Boise to Los Angeles? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Los Angeles, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Boise to Los Angeles

Find recent round-trip train or bus tickets from Boise to Los Angeles.

All round-trip flight deals to Los Angeles

The cheapest plane tickets to Los Angeles found on KAYAK recently.
6:10 am - 10:38 amBOI-ONT
5h 28m1 stop
4:06 pm - 11:58 pmONT-BOI
6h 52m1 stop
$218Alaska Airlines
Find Deal
Sun, Feb 9 - Mon, Feb 10
5:59 pm - 11:51 pmBOI-ONT
6h 52m1 stop
6:00 am - 1:45 pmONT-BOI
6h 45m1 stop
$219Delta
Find Deal
Fri, Feb 7 - Mon, Feb 10
7:55 am - 3:25 pmBOI-ONT
8h 30m1 stop
6:00 am - 12:27 pmONT-BOI
5h 27m1 stop
$240Delta
Find Deal
Sun, Feb 9 - Sun, Feb 16
2:07 pm - 6:24 pmBOI-ONT
5h 17m1 stop
10:05 am - 4:52 pmONT-BOI
5h 47m1 stop
$249American Airlines
Find Deal
Wed, Feb 12 - Wed, Feb 19
2:40 pm - 10:39 pmBOI-ONT
8h 59m1 stop
6:39 pm - 11:57 pmONT-BOI
4h 18m1 stop
$253Alaska Airlines
Find Deal
Thu, Feb 6 - Sun, Feb 9
6:20 pm - 10:39 pmBOI-ONT
5h 19m1 stop
4:06 pm - 11:58 pmONT-BOI
6h 52m1 stop
$260Alaska Airlines
Find Deal
Mon, Jan 27 - Tue, Jan 28
2:00 pm - 8:24 pmBOI-ONT
7h 24m1 stop
6:00 am - 11:27 amONT-BOI
4h 27m1 stop
$289United Airlines
Find Deal
Thu, May 1 - Sun, May 4
10:35 am - 8:29 pmBOI-ONT
10h 54m2 stops
6:15 am - 11:27 amONT-BOI
4h 12m1 stop
$294United Airlines
Find Deal
Thu, Feb 6 - Sun, Feb 9
5:00 am - 10:25 amBOI-ONT
6h 25m1 stop
5:50 am - 10:50 amONT-BOI
4h 00m1 stop
$326Southwest
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Sat, Feb 15 - Mon, Feb 17
2:50 pm - 8:45 pmBOI-ONT
6h 55m2 stops
6:20 am - 11:55 amONT-BOI
4h 35m1 stop
$331Southwest
Find Deal
Sun, Feb 9 - Sun, Feb 16
2:41 pm - 8:29 pmBOI-ONT
6h 48m1 stop
$109Alaska Airlines
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Tue, Apr 22
5:59 pm - 11:51 pmBOI-ONT
6h 52m1 stop
$110Delta
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Sun, Feb 23
2:41 pm - 8:29 pmBOI-ONT
6h 48m1 stop
$131Alaska Airlines
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Sat, Apr 26
6:30 am - 3:32 pmBOI-ONT
10h 02m1 stop
$137Alaska Airlines
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Wed, Apr 30
5:30 am - 10:39 amBOI-ONT
6h 09m1 stop
$141Alaska Airlines
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Tue, May 20
12:41 pm - 6:31 pmBOI-ONT
6h 50m1 stop
$145United Airlines
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Mon, Mar 3
5:17 pm - 9:35 pmBOI-ONT
5h 18m1 stop
$161American Airlines
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Tue, Jul 8
6:10 pm - 10:30 pmBOI-ONT
5h 20m1 stop
$166Southwest
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Fri, Feb 14
2:00 pm - 8:21 pmBOI-ONT
7h 21m1 stop
$175United Airlines
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Thu, Apr 24
4:45 pm - 10:50 pmBOI-ONT
7h 05m2 stops
$179Southwest
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Tue, Jul 8
2:40 pm - 8:13 pmBOI-ONT
6h 33m1 stop
7:00 am - 11:59 pmONT-BOI
15h 59m2 stops
$475Alaska Airlines
Find Deal
Wed, Jan 15 - Wed, Feb 19
2:40 pm - 8:13 pmBOI-ONT
6h 33m1 stop
6:00 am - 11:59 pmONT-BOI
16h 59m1 stop
$489Alaska Airlines
Find Deal
Wed, Jan 15 - Wed, Feb 19
6:10 am - 10:38 amBOI-ONT
5h 28m1 stop
11:14 am - 4:33 pmONT-BOI
4h 19m1 stop
$596Alaska Airlines
Find Deal
Wed, Jan 15 - Wed, Jan 22
2:40 pm - 8:13 pmBOI-ONT
6h 33m1 stop
6:00 am - 2:10 pmONT-BOI
7h 10m2 stops
$655Alaska Airlines
Find Deal
Wed, Jan 15 - Wed, Jan 22
12:59 pm - 8:13 pmBOI-ONT
8h 14m2 stops
7:00 am - 6:18 pmONT-BOI
10h 18m2 stops
$668Alaska Airlines
Find Deal
Wed, Jan 15 - Wed, Feb 19
7:00 am - 10:34 amBOI-ONT
4h 34m1 stop
7:00 am - 1:06 pmONT-BOI
5h 06m1 stop
$697Alaska Airlines
Find Deal
Fri, Jan 17 - Sun, Jan 19
8:25 am - 12:41 pmBOI-ONT
5h 16m1 stop
5:10 am - 1:23 pmONT-BOI
7h 13m1 stop
$767United Airlines
Find Deal
Sun, Jan 19 - Mon, Jan 20
4:59 pm - 10:39 pmBOI-ONT
6h 40m1 stop
6:00 am - 12:19 pmONT-BOI
5h 19m1 stop
$794Alaska Airlines
Find Deal
Fri, Jan 17 - Mon, Jan 20
10:08 am - 8:13 pmBOI-ONT
11h 05m2 stops
6:00 am - 4:33 pmONT-BOI
9h 33m2 stops
$838Alaska Airlines
Find Deal
Wed, Jan 15 - Wed, Jan 22
1:01 pm - 5:57 pmBOI-ONT
5h 56m1 stop
5:10 am - 1:23 pmONT-BOI
7h 13m1 stop
$1,033United Airlines
Find Deal
Thu, Jan 16 - Sun, Jan 19

United Airlines flights from Boise to Ontario

Our best United Airlines deals on Boise to Ontario flight tickets
United Airlines
May 1
BOI2:00 pmBoise Air Term. Gowen Fld
7h 24m
1 stop
ONT8:24 pmOntario
May 4
ONT6:00 amOntario
4h 27m
1 stop
BOI11:27 amBoise Air Term. Gowen Fld
United Airlines
Feb 6
BOI10:35 amBoise Air Term. Gowen Fld
10h 54m
2 stops
ONT8:29 pmOntario
Feb 9
ONT6:15 amOntario
4h 12m
1 stop
BOI11:27 amBoise Air Term. Gowen Fld
United Airlines
Apr 8
BOI2:00 pmBoise Air Term. Gowen Fld
4h 51m
1 stop
ONT5:51 pmOntario
Apr 11
ONT3:55 pmOntario
4h 48m
1 stop
BOI9:43 pmBoise Air Term. Gowen Fld

Delta flights from Boise to Ontario

Our best Delta deals on Boise to Ontario flight tickets
Delta
Feb 7
BOI5:59 pmBoise Air Term. Gowen Fld
6h 52m
1 stop
ONT11:51 pmOntario
Feb 10
ONT6:00 amOntario
6h 45m
1 stop
BOI1:45 pmBoise Air Term. Gowen Fld
Delta
Feb 9
BOI7:55 amBoise Air Term. Gowen Fld
8h 30m
1 stop
ONT3:25 pmOntario
Feb 16
ONT6:00 amOntario
5h 27m
1 stop
BOI12:27 pmBoise Air Term. Gowen Fld
Delta
May 4
BOI7:55 pmBoise Air Term. Gowen Fld
4h 50m
1 stop
ONT11:45 pmOntario
May 17
ONT2:00 pmOntario
7h 07m
1 stop
BOI10:07 pmBoise Air Term. Gowen Fld

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, February 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 $287. If you aren’t able to travel during the month of February, then book flights to Ontario from Boise during April instead. Flights to Ontario in April, while not as cheap as those in February, still average around $290.

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 Tuesday when prices can be found for as low as $284. 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 $353.

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

In the afternoon is the cheapest time of day to fly from Boise to Ontario when you can find flight prices for as low as $312. Flying to Ontario in the afternoon 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.

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

Most flyers found that booking tickets 33 days in advance of their planned departure date is the best time to get cheap flights to Ontario. During this timeframe, flight prices are around $334. However, in the past 72 hours, people saw flights from Boise for as low as $143.

How have Boise to Ontario flight prices changed over time?

As of January 2025, prices for Boise to Ontario flights are approximately 20% 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

$109

Fastest flight time

4h 13m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from Boise in the past 72 hours is $109. The best round-trip flight deal from Boise to Ontario found on momondo in the last 72 hours is $218.
The fastest flight from Boise to Ontario takes 4h 13m
There are no direct flights from Boise to Ontario. Popular non-direct route for this connection is Boise Air Term. Gowen Fld Airport - Ontario Airport.
There is 1 airport near Ontario: Ontario (ONT)

  • 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 4h 13m, 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 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
Spirit AirlinesPriceFrom $115Free CancellationRating
6.3
8,090 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $201Free CancellationRating
8.0
9,672 reviews
Search Alaska Airlines flights
DeltaPriceFrom $219Free CancellationRating
8.0
8,508 reviews
Search Delta flights
United AirlinesPriceFrom $233Free CancellationRating
7.4
8,961 reviews
Search United Airlines flights
SouthwestPriceFrom $262Free CancellationRating
8.1
4,659 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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