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Cheap flights from Ontario to Boise 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 Ontario to Boise departing on 2/5. 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 to Boise

The cheapest plane tickets to Boise found on KAYAK recently.
6:00 am - 12:20 pmONT-BOI
5h 20m1 stop
7:55 am - 3:25 pmBOI-ONT
8h 30m1 stop
$218Delta
Find Deal
Sat, Feb 1 - Tue, Feb 4
6:00 am - 10:41 pmONT-BOI
15h 41m1 stop
5:31 pm - 11:58 pmBOI-ONT
7h 27m1 stop
$240Alaska Airlines
Find Deal
Tue, Mar 4 - Mon, Mar 10
11:14 am - 10:23 pmONT-BOI
10h 09m2 stops
12:14 pm - 6:13 pmBOI-ONT
6h 59m1 stop
$245Alaska Airlines
Find Deal
Sat, Feb 1 - Mon, Feb 3
7:14 pm - 1:51 pmONT-BOI
17h 37m1 stop
12:59 pm - 4:59 pmBOI-ONT
5h 00m1 stop
$250Alaska Airlines
Find Deal
Mon, Mar 3 - Tue, Mar 11
6:10 am - 1:27 pmONT-BOI
6h 17m1 stop
1:56 pm - 6:26 pmBOI-ONT
5h 30m1 stop
$253American Airlines
Find Deal
Sun, Feb 9 - Thu, Feb 13
6:20 am - 6:20 pmONT-BOI
11h 00m2 stops
3:15 pm - 9:10 pmBOI-ONT
6h 55m1 stop
$351Southwest
Find Deal
Wed, May 28 - Sat, May 31
6:15 am - 11:27 amONT-BOI
4h 12m1 stop
6:58 pm - 8:40 pmBOI-ONT
26h 42m1 stop
$367United Airlines
Find Deal
Sun, Feb 9 - Fri, Feb 14
6:00 am - 11:15 amONT-BOI
4h 15m1 stop
6:56 pm - 10:45 pmBOI-ONT
4h 49m1 stop
$374United Airlines
Find Deal
Sat, Mar 1 - Sun, Mar 16
1:25 pm - 11:10 pmONT-BOI
8h 45m2 stops
6:00 am - 2:45 pmBOI-ONT
9h 45m2 stops
$397Southwest
Find Deal
Sat, Mar 1 - Sat, Mar 29
6:47 am - 7:16 pmONT-BOI
11h 29m2 stops
7:30 am - 5:46 pmBOI-ONT
11h 16m2 stops
$2,754American Airlines
Find Deal
Mon, Jun 2 - Tue, Jun 10
6:00 am - 1:45 pmONT-BOI
6h 45m1 stop
$109Alaska Airlines
Find Deal
Wed, Feb 5
6:00 am - 1:51 pmONT-BOI
6h 51m1 stop
$131Alaska Airlines
Find Deal
Tue, Mar 4
6:15 am - 11:27 amONT-BOI
4h 12m1 stop
$144United Airlines
Find Deal
Sun, Feb 9
9:11 am - 6:46 pmONT-BOI
8h 35m2 stops
Thu, Feb 20
6:00 am - 11:18 amONT-BOI
4h 18m1 stop
$179United Airlines
Find Deal
Tue, Feb 18
6:30 am - 12:20 pmONT-BOI
4h 50m1 stop
$183Southwest
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Wed, Jan 1
4:40 pm - 12:45 amONT-BOI
7h 05m2 stops
$198Southwest
Find Deal
Fri, Mar 28
9:11 am - 6:46 pmONT-BOI
8h 35m2 stops
Thu, Feb 13
4:58 pm - 12:48 amONT-BOI
6h 50m1 stop
$348Delta
Find Deal
Thu, Jan 2
5:30 am - 12:20 pmONT-BOI
5h 50m1 stop
$419Delta
Find Deal
Wed, Jan 1
1:15 pm - 6:59 pmONT-BOI
4h 44m1 stop
5:10 pm - 10:37 pmBOI-ONT
6h 27m1 stop
$637Delta
Find Deal
Mon, Dec 23 - Tue, Dec 31
6:00 am - 11:32 amONT-BOI
4h 32m1 stop
7:25 pm - 11:00 pmBOI-ONT
4h 35m1 stop
$676United Airlines
Find Deal
Mon, Dec 23 - Thu, Dec 26
7:00 am - 3:25 pmONT-BOI
7h 25m2 stops
6:35 pm - 10:15 pmBOI-ONT
4h 40m1 stop
$681Southwest
Find Deal
Tue, Dec 24 - Fri, Dec 27
10:40 am - 4:20 pmONT-BOI
4h 40m1 stop
3:41 pm - 7:57 pmBOI-ONT
5h 16m1 stop
$686Alaska Airlines
Find Deal
Tue, Dec 24 - Thu, Dec 26
10:40 am - 4:20 pmONT-BOI
4h 40m1 stop
3:50 pm - 12:33 pmBOI-ONT
21h 43m1 stop
$714Alaska Airlines
Find Deal
Tue, Dec 24 - Tue, Dec 31
10:40 am - 4:20 pmONT-BOI
4h 40m1 stop
5:00 pm - 12:33 pmBOI-ONT
20h 33m2 stops
$719Alaska Airlines
Find Deal
Tue, Dec 24 - Tue, Dec 31
10:40 am - 4:20 pmONT-BOI
4h 40m1 stop
7:00 am - 9:45 amBOI-ONT
27h 45m1 stop
$734Alaska Airlines
Find Deal
Tue, Dec 24 - Sat, Dec 28
10:40 am - 4:20 pmONT-BOI
4h 40m1 stop
7:00 am - 11:59 pmBOI-ONT
17h 59m1 stop
$749Alaska Airlines
Find Deal
Tue, Dec 24 - Mon, Dec 30
1:15 pm - 6:59 pmONT-BOI
4h 44m1 stop
7:55 pm - 12:28 amBOI-ONT
5h 33m1 stop
$767Delta
Find Deal
Mon, Dec 23 - Sun, Dec 29
10:39 am - 4:32 pmONT-BOI
4h 53m1 stop
7:25 pm - 11:00 pmBOI-ONT
4h 35m1 stop
$776United Airlines
Find Deal
Mon, Dec 23 - Mon, Dec 30

Delta flights from Ontario to Boise

Our best Delta deals on Ontario to Boise flight tickets
Delta
Feb 1
ONT6:00 amOntario
5h 20m
1 stop
BOI12:20 pmBoise Air Term. Gowen Fld
Feb 4
BOI7:55 amBoise Air Term. Gowen Fld
8h 30m
1 stop
ONT3:25 pmOntario
Delta
Jan 7
ONT5:10 pmOntario
6h 08m
1 stop
BOI12:18 amBoise Air Term. Gowen Fld
Jan 11
BOI5:59 pmBoise Air Term. Gowen Fld
6h 26m
1 stop
ONT11:25 pmOntario
Delta
Feb 16
ONT6:00 amOntario
5h 27m
1 stop
BOI12:27 pmBoise Air Term. Gowen Fld
Feb 19
BOI11:25 amBoise Air Term. Gowen Fld
6h 03m
1 stop
ONT4:28 pmOntario

United Airlines flights from Ontario to Boise

Our best United Airlines deals on Ontario to Boise flight tickets
United Airlines
Feb 9
ONT6:15 amOntario
4h 12m
1 stop
BOI11:27 amBoise Air Term. Gowen Fld
Feb 14
BOI6:58 pmBoise Air Term. Gowen Fld
26h 42m
1 stop
ONT8:40 pmOntario
United Airlines
Mar 1
ONT6:00 amOntario
4h 15m
1 stop
BOI11:15 amBoise Air Term. Gowen Fld
Mar 16
BOI6:56 pmBoise Air Term. Gowen Fld
4h 49m
1 stop
ONT10:45 pmOntario
United Airlines
Mar 2
ONT5:05 amOntario
7h 25m
1 stop
BOI1:30 pmBoise Air Term. Gowen Fld
Mar 12
BOI6:56 pmBoise Air Term. Gowen Fld
4h 49m
1 stop
ONT10:45 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 typical price of a round-trip flight between Ontario and Boise?

What is the cheapest month to fly to Boise?

The month of October is, on average, the cheapest month to fly to Boise from Ontario, with most prices found around $195. If you aren’t able to travel during the month of October, then book flights to Boise from Ontario during September instead. Flights to Boise in September, while not as cheap as those in October, still average around $236.

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?

The ideal time to book your flight to Boise is 15 days in advance when prices tend to average $336. Keep in mind that you might also find cheap flights to Boise outside of this time window. In fact, momondo users recently found flights from Ontario to Boise for $133.

Can stopping save me money on Ontario to Boise flights?

You could potentially save up to 19% on your flight if you consider stops on a Ontario to Boise flight.

How have Ontario to Boise flight prices changed over time?

As of December 2024, prices for Ontario to Boise flights are approximately 0% 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

$109

Fastest flight time

4h 12m

Direct flights

None

Airports in Boise

1 airport
The best one-way flight to Boise from Ontario in the past 72 hours is $109. The best round-trip flight deal from Ontario to Boise found on momondo in the last 72 hours is $218.
The fastest flight from Ontario to Boise takes 4h 12m
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 12m.

  • 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 $108Free CancellationRating
6.3
8,111 reviews
Search Spirit Airlines flights
Avelo AirlinesPriceFrom $132Free CancellationRating
7.5
74 reviews
Search Avelo Airlines flights
Alaska AirlinesPriceFrom $196Free CancellationRating
8.0
9,537 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $218Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $227Free CancellationRating
8.0
8,594 reviews
Search Delta flights
SouthwestPriceFrom $240Free CancellationRating
8.1
4,804 reviews
Search Southwest flights
United AirlinesPriceFrom $249Free CancellationRating
7.4
9,028 reviews
Search United Airlines flights

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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