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Cheap flights from Ontario to Boise from $116

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Boise departing on 3/11. 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 Ontario to Boise

Cheap round-trip flights

These are some of the best round-trip flight deals from Ontario to Boise 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 Ontario to Boise.

Cheap last minute flights

Planning a quick getaway from Ontario to Boise? 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 Boise, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Ontario to Boise

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

All round-trip flight deals from Ontario to Boise

The cheapest plane tickets from Ontario to Boise found on KAYAK recently.
1:40 pm - 10:45 pmONT-BOI
8h 05m1 stop
5:15 pm - 11:55 pmBOI-ONT
7h 40m1 stop
$243Southwest
Find Deal
Wed, Feb 12 - Sun, Feb 16
5:10 pm - 12:18 amONT-BOI
6h 08m1 stop
5:59 pm - 11:26 pmBOI-ONT
6h 27m1 stop
$247Delta
Find Deal
Thu, Feb 13 - Sat, Feb 15
6:00 am - 1:45 pmONT-BOI
6h 45m1 stop
4:59 pm - 10:39 pmBOI-ONT
6h 40m1 stop
$248Alaska Airlines
Find Deal
Mon, Feb 3 - Mon, Feb 10
5:10 pm - 12:45 amONT-BOI
6h 35m1 stop
6:00 am - 1:05 pmBOI-ONT
8h 05m1 stop
$253Southwest
Find Deal
Fri, Feb 14 - Sun, Feb 16
6:00 am - 1:45 pmONT-BOI
6h 45m1 stop
4:59 pm - 10:39 pmBOI-ONT
6h 40m1 stop
$256Alaska Airlines
Find Deal
Mon, Feb 3 - Mon, Feb 10
1:30 pm - 7:00 pmONT-BOI
4h 30m1 stop
8:15 pm - 11:56 pmBOI-ONT
4h 41m1 stop
$287Delta
Find Deal
Sun, Mar 16 - Fri, Mar 21
10:38 am - 4:19 pmONT-BOI
4h 41m1 stop
6:56 pm - 10:45 pmBOI-ONT
4h 49m1 stop
$323United Airlines
Find Deal
Thu, Mar 6 - Sun, Mar 9
6:15 am - 11:27 amONT-BOI
4h 12m1 stop
2:36 pm - 8:52 pmBOI-ONT
7h 16m1 stop
$327United Airlines
Find Deal
Sun, Feb 9 - Thu, Feb 13
10:32 am - 10:59 pmONT-BOI
11h 27m2 stops
1:42 pm - 5:46 pmBOI-ONT
5h 04m1 stop
$2,515American Airlines
Find Deal
Mon, Jun 16 - Mon, Jun 23
10:32 am - 10:59 pmONT-BOI
11h 27m2 stops
7:30 am - 5:46 pmBOI-ONT
11h 16m2 stops
$2,706American Airlines
Find Deal
Sat, Jun 28 - Sat, Jul 5
4:20 pm - 10:41 pmONT-BOI
5h 21m1 stop
$116Alaska Airlines
Find Deal
Tue, Mar 11
6:00 am - 12:20 pmONT-BOI
5h 20m1 stop
$117Delta
Find Deal
Sat, Feb 15
6:00 am - 1:51 pmONT-BOI
6h 51m1 stop
$126Alaska Airlines
Find Deal
Mon, Mar 17
5:10 pm - 12:45 amONT-BOI
6h 35m1 stop
$127Southwest
Find Deal
Fri, Feb 14
6:00 am - 1:45 pmONT-BOI
6h 45m1 stop
$130Alaska Airlines
Find Deal
Mon, Feb 3
5:10 pm - 12:18 amONT-BOI
6h 08m1 stop
$131Delta
Find Deal
Thu, Feb 13
4:29 pm - 10:39 pmONT-BOI
5h 10m1 stop
$147Alaska Airlines
Find Deal
Sat, May 3
1:40 pm - 9:29 pmONT-BOI
6h 49m1 stop
$152United Airlines
Find Deal
Sat, Mar 8
4:23 pm - 11:03 pmONT-BOI
5h 40m1 stop
$162United Airlines
Find Deal
Mon, Apr 14
3:00 pm - 11:55 pmONT-BOI
7h 55m2 stops
$171Southwest
Find Deal
Sat, Feb 15
6:00 am - 12:19 pmONT-BOI
5h 19m1 stop
7:00 am - 10:34 amBOI-ONT
4h 34m1 stop
$596Alaska Airlines
Find Deal
Thu, Jan 23 - Sun, Jan 26
5:44 pm - 11:32 pmONT-BOI
4h 48m1 stop
2:40 pm - 8:13 pmBOI-ONT
6h 33m1 stop
$627Alaska Airlines
Find Deal
Wed, Jan 22 - Wed, Jan 29
1:45 pm - 9:43 pmONT-BOI
6h 58m1 stop
1:01 pm - 5:57 pmBOI-ONT
5h 56m1 stop
$632United Airlines
Find Deal
Sat, Jan 25 - Thu, Jan 30
7:00 am - 1:06 pmONT-BOI
5h 06m1 stop
12:59 pm - 10:39 pmBOI-ONT
10h 40m2 stops
$660Alaska Airlines
Find Deal
Sun, Jan 26 - Mon, Jan 27
6:00 am - 12:19 pmONT-BOI
5h 19m1 stop
12:59 pm - 5:59 pmBOI-ONT
6h 00m1 stop
$676Alaska Airlines
Find Deal
Thu, Jan 23 - Fri, Jan 24
6:15 am - 11:27 amONT-BOI
4h 12m1 stop
2:32 pm - 8:51 pmBOI-ONT
7h 19m1 stop
$677United Airlines
Find Deal
Thu, Jan 23 - Sun, Jan 26
1:40 pm - 10:45 pmONT-BOI
8h 05m1 stop
1:20 pm - 7:05 pmBOI-ONT
6h 45m2 stops
$682Southwest
Find Deal
Thu, Jan 23 - Sat, Jan 25
4:11 pm - 10:10 pmONT-BOI
4h 59m1 stop
6:10 pm - 10:49 amBOI-ONT
17h 39m2 stops
$700Alaska Airlines
Find Deal
Sun, Jan 26 - Mon, Jan 27
10:47 am - 4:27 pmONT-BOI
4h 40m1 stop
8:25 am - 8:29 pmBOI-ONT
13h 04m2 stops
$743United Airlines
Find Deal
Sat, Jan 25 - Mon, Jan 27
10:47 am - 4:27 pmONT-BOI
4h 40m1 stop
12:41 pm - 6:31 pmBOI-ONT
6h 50m1 stop
$844United Airlines
Find Deal
Fri, Jan 24 - Thu, Feb 20

Southwest flights from Ontario to Boise

Our best Southwest deals on Ontario to Boise flight tickets
Southwest
Feb 12
ONT1:40 pmOntario
8h 05m
1 stop
BOI10:45 pmBoise Air Term. Gowen Fld
Feb 16
BOI5:15 pmBoise Air Term. Gowen Fld
7h 40m
1 stop
ONT11:55 pmOntario
Southwest
Feb 14
ONT5:10 pmOntario
6h 35m
1 stop
BOI12:45 amBoise Air Term. Gowen Fld
Feb 16
BOI6:00 amBoise Air Term. Gowen Fld
8h 05m
1 stop
ONT1:05 pmOntario
Southwest
Feb 22
ONT1:25 pmOntario
8h 45m
2 stops
BOI11:10 pmBoise Air Term. Gowen Fld
Feb 25
BOI2:50 pmBoise Air Term. Gowen Fld
8h 30m
1 stop
ONT10:20 pmOntario

Delta flights from Ontario to Boise

Our best Delta deals on Ontario to Boise flight tickets
Delta
Feb 13
ONT5:10 pmOntario
6h 08m
1 stop
BOI12:18 amBoise Air Term. Gowen Fld
Feb 15
BOI5:59 pmBoise Air Term. Gowen Fld
6h 27m
1 stop
ONT11:26 pmOntario
Delta
Mar 16
ONT1:30 pmOntario
4h 30m
1 stop
BOI7:00 pmBoise Air Term. Gowen Fld
Mar 21
BOI8:15 pmBoise Air Term. Gowen Fld
4h 41m
1 stop
ONT11:56 pmOntario
Delta
Feb 13
ONT5:10 pmOntario
6h 08m
1 stop
BOI12:18 amBoise Air Term. Gowen Fld
Feb 17
BOI5:59 pmBoise Air Term. Gowen Fld
6h 52m
1 stop
ONT11:51 pmOntario

See travel insights to Boise from

How to get the cheapest flight ticket from Ontario to Boise

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 Boise?

The month of January is, on average, the cheapest month to fly to Boise from Ontario, with most prices found around $240. If you aren’t able to travel during the month of January, then book flights to Boise from Ontario during October instead. Flights to Boise in October, while not as cheap as those in January, still average around $284.

What is the cheapest day to depart on your flight to Boise?

Our data shows that Tuesday is the least expensive day to fly to Boise. Tickets to fly out on this day can be as low as $247. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $316. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boise.

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

Our data shows that the cheapest Ontario to Boise flights are usually those with departure times at noon. Our users have found flights to Boise at noon for as low as $177. In the morning is when there is more demand to fly to Boise, so prices are often more expensive at around $272 per ticket.

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

You are more likely to see cheaper flights to Boise from Ontario when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Boise for around $338 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boise from Ontario for as low as $194 on momondo.

How have Ontario to Boise flight prices changed over time?

As of January 2025, prices for Ontario to Boise flights are approximately 34% more expensive when compared to flights at the same time last year.

When to book flights from Ontario to Boise

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

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

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

Best Price Found

$116

Fastest flight time

4h 00m

Direct flights

None

Airports in Boise

1 airport
The best one-way flight to Boise from Ontario in the past 72 hours is $116. The best round-trip flight deal from Ontario to Boise found on momondo in the last 72 hours is $243.
The fastest flight from Ontario to Boise takes 4h 00m
There are no direct flights from Ontario to Boise. Popular non-direct route for this connection is Ontario Airport - Boise Air Term. Gowen Fld Airport.
There is 1 airport near Boise: Boise Air Term. Gowen Fld (BOI)

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

    A flight from Ontario to Boise Air Term. Gowen Fld will travel around 663.9 mi. A reasonable flight in good conditions will take 4h 00m.

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

    Prices for flights from Ontario Airport to Boise Air Term. Gowen Fld Airport are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Boise Air Term. Gowen Fld Airport.

  • What documentation or ID do you need to fly to Boise Air Term. Gowen Fld Airport?

    The required travel and health documents for your Boise Air Term. Gowen Fld 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 Boise Air Term. Gowen Fld 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 Ontario to Boise?


Best airlines flying from Ontario to Boise

Compare and see reviews for airlines that fly from Ontario to Boise with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $121Free CancellationRating
6.3
8,116 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $196Free CancellationRating
8.0
9,706 reviews
Search Alaska Airlines flights
DeltaPriceFrom $218Free CancellationRating
8.0
8,521 reviews
Search Delta flights
American AirlinesPriceFrom $218Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
8,984 reviews
Search United Airlines flights
SouthwestPriceFrom $240Free CancellationRating
8.1
4,662 reviews
Search Southwest flights

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Nampa
Meridian
Ontario
Caldwell
McCall
Eagle

Why use momondo?

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

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 Ontario to Boise for you.

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

Flights from Ontario to Boise with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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 Boise from Ontario.

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

Of course. momondo tracks the price of Ontario to Boise flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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