$232+ Cheap flights from Ontario to Boise (BOI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BOI
Nov 3 — Nov 101
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Boise with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Boise
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Best
Last-minute
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Cheapest flights from Ontario to BoiseExplore the most affordable flight options available from Ontario to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 4, 2026.
Explore the most affordable flight options available from Ontario to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 4, 2026.
This American Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:46 am -
1 stop9h 05m
Sat 11/71:24 pm -
1 stop8h 22m
Deal found 9/30![American Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:00 am -
1 stop6h 28m
Fri 10/2310:30 am -
1 stop9h 02m
Deal found 10/2![United Airlines logo]()
$410
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:00 am -
1 stop6h 28m
Tue 10/2012:26 pm -
1 stop6h 18m
Deal found 10/1![United Airlines logo]()
$411
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:35 pm -
2 stops20h 17m
Thu 11/56:20 am -
1 stop7h 48m
Deal found 10/1![United Airlines logo]()
$412
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:49 pm -
1 stop8h 10m
Sat 11/73:00 pm -
1 stop6h 15m
Deal found 9/30![Delta logo]()
$437
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:49 pm -
1 stop8h 10m
Mon 11/911:10 pm -
1 stop9h 59m
Deal found 9/30![Delta logo]()
$443
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:10 pm -
1 stop8h 49m
Sun 11/86:20 am -
1 stop7h 48m
Deal found 9/30![United Airlines logo]()
$449
This Alaska Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:15 pm -
1 stop8h 34m
Tue 11/106:37 am -
1 stop7h 28m
Deal found 9/30![Alaska Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:38 am -
1 stop12h 19m
Thu 11/51:40 pm -
1 stop8h 19m
Deal found 10/1![Delta logo]()
$485
Best flights from Ontario to BoiseDiscover carefully curated flight deals from Ontario to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 4, 2026.
Discover carefully curated flight deals from Ontario to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 4, 2026.
This United Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:00 am -
1 stop6h 28m
Tue 10/2012:26 pm -
1 stop6h 18m
Deal found 10/3![United Airlines logo]()
$411
This Expedia deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/125:15 pm -
1 stop8h 56m
Wed 2/176:00 am -
1 stop8h 05m
Deal found 10/3![Alaska Airlines logo]()
$456
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:35 pm -
2 stops20h 17m
Thu 11/56:20 am -
1 stop7h 48m
Deal found 10/1![United Airlines logo]()
$412
This Alaska Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:15 pm -
1 stop8h 34m
Sat 11/76:37 am -
1 stop7h 28m
Deal found 9/30![Alaska Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:45 am -
1 stop6h 46m
Wed 11/45:00 am -
2 stops9h 47m
Deal found 9/30![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:53 am -
2 stops9h 10m
Sat 11/712:31 pm -
1 stop6h 44m
Deal found 9/30![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:53 am -
2 stops9h 10m
Sun 11/86:20 am -
1 stop7h 48m
Deal found 9/30![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:10 pm -
1 stop8h 49m
Wed 11/45:00 am -
2 stops9h 47m
Deal found 9/30![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/125:55 pm -
2 stops17h 48m
Wed 2/177:00 am -
1 stop6h 12m
Deal found 10/3![United Airlines logo]()
$450
Last-minute flights from Ontario to BoiseDiscover last-minute flight deals from Ontario to Boise. Data last updated October 4, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Boise. Data last updated October 4, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:38 am -
1 stop12h 19m
Thu 11/51:40 pm -
1 stop8h 19m
Deal found 10/1![Delta logo]()
$485
This United Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:00 am -
1 stop6h 28m
Fri 10/2310:30 am -
1 stop9h 02m
Deal found 10/2![United Airlines logo]()
$410
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:00 am -
1 stop6h 28m
Tue 10/2012:26 pm -
1 stop6h 18m
Deal found 10/1![United Airlines logo]()
$411
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:49 pm -
1 stop8h 10m
Sat 11/73:00 pm -
1 stop6h 15m
Deal found 9/30![Delta logo]()
$437
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:49 pm -
1 stop8h 10m
Fri 11/63:00 pm -
1 stop6h 15m
Deal found 9/30![Delta logo]()
$443
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:35 pm -
2 stops20h 17m
Thu 11/56:20 am -
1 stop7h 48m
Deal found 10/1![United Airlines logo]()
$412
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:35 am -
2 stops11h 28m
Thu 11/56:20 am -
1 stop7h 48m
Deal found 9/30![United Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:46 am -
1 stop9h 05m
Sat 11/71:24 pm -
1 stop8h 22m
Deal found 9/30![American Airlines logo]()
$409
This Alaska Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:15 pm -
1 stop8h 34m
Tue 11/106:37 am -
1 stop7h 28m
Deal found 9/30![Alaska Airlines logo]()
$464
One-way flights from Ontario to BoiseSearch for one-way flight options from Ontario to Boise. Find affordable one-way fares based on user searches. Data last updated October 4, 2026.
Search for one-way flight options from Ontario to Boise. Find affordable one-way fares based on user searches. Data last updated October 4, 2026.
This Delta deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2611:38 am -
1 stop12h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Delta logo]()
$232
This American Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:15 am -
2 stops14h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![American Airlines logo]()
$238
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:15 am -
1 stop8h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Delta logo]()
$248
This United Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:44 pm -
2 stops16h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![United Airlines logo]()
$300
This American Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/215:14 pm -
1 stop8h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![American Airlines logo]()
$305
This Orbitz deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/225:15 pm -
1 stop8h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Alaska Airlines logo]()
$317
This Justfly.com deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2610:20 pm -
2 stops22h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![WestJet logo]()
$325
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/214:10 pm -
2 stops21h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![United Airlines logo]()
$335
Find flight deals from Ontario to Boise
Keep the following information in mind while searching for Ontario to Boise flight deals. Data was last updated October 4, 2026.
Round-trip from | $409 (American Airlines) |
|---|---|
One-way from | $232 (Delta) |
Popular in | September |
Cheapest in | July |
Average price | $455 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Boise 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, Cheapflights users made 7,457,451 searches. Data last updated October 4, 2026.
Use the filters below to find and compare flights from Ontario to Boise that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
TorontoBoise
YYZ Toronto Pearson Intl - BOI Boise Air Term. Gowen Fld
YYZBOI
Toronto Pearson Intl
Mon 10/26
11:38 am-9:57 pm
1 stop12h 19m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$232
TorontoBoise
YYZ Toronto Pearson Intl - BOI Boise Air Term. Gowen Fld
YYZBOI
Toronto Pearson Intl
Sat 11/14
7:15 am-7:24 pm
2 stops14h 09m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$238
Quickest round-trip
TorontoBoise
YYZ Toronto Pearson Intl - BOI Boise Air Term. Gowen Fld
YYZBOI
Toronto Pearson Intl
Sat 11/14
6:15 am-1:11 pm
1 stop8h 56m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$248
TorontoBoise
YYZ Toronto Pearson Intl - BOI Boise Air Term. Gowen Fld
YYZBOI
Toronto Pearson Intl
Mon 10/26
7:44 pm-9:52 am
2 stops16h 08m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$300
TorontoBoise
YYZ Toronto Pearson Intl - BOI Boise Air Term. Gowen Fld
YYZBOI
Toronto Pearson Intl
Mon 10/26
10:20 pm-6:33 pm
2 stops22h 13m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$325
TorontoBoise
YYZ Toronto Pearson Intl - BOI Boise Air Term. Gowen Fld
YYZBOI
Toronto Pearson Intl
Mon 12/21
4:10 pm-11:12 am
2 stops21h 02m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$335
TorontoBoise
YYZ Toronto Pearson Intl - BOI Boise Air Term. Gowen Fld
YYZBOI
Toronto Pearson Intl
Sat 11/14
7:00 am-11:46 pm
3 stops18h 46m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$336
TorontoBoise
YYZ Toronto Pearson Intl - BOI Boise Air Term. Gowen Fld
YYZBOI
Toronto Pearson Intl
Sat 10/17
7:00 am-11:28 am
1 stop6h 28m
Boise Air Term. Gowen Fld
Tue 10/20
12:26 pm-8:44 pm
1 stop6h 18m
$411
TorontoBoise
YYZ Toronto Pearson Intl - BOI Boise Air Term. Gowen Fld
YYZBOI
Toronto Pearson Intl
Thu 10/29
3:35 pm-9:52 am
2 stops20h 17m
Boise Air Term. Gowen Fld
Thu 11/5
6:20 am-4:08 pm
1 stop7h 48m
$412
TorontoBoise
YYZ Toronto Pearson Intl - BOI Boise Air Term. Gowen Fld
YYZBOI
Toronto Pearson Intl
Sun 11/1
6:45 am-11:31 am
1 stop6h 46m
Boise Air Term. Gowen Fld
Wed 11/4
5:00 am-4:47 pm
2 stops9h 47m
$449
Showing 1-10 of 16 resultsSorted by cheapest first
Best time to book a flight from Ontario to Boise
Have a flexible travel schedule? Discover the best time to fly to Boise from Ontario with our price prediction graph.
YYZ-BOI
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Boise
CAON-BOI
YYZ-BOI
What is the cheapest month to book a flight from Region of Ontario to Boise?
Currently, February is the cheapest month in which you can book a flight from Region of Ontario to Boise (average of $334). Flying from Region of Ontario to Boise in May is currently the most expensive (average of $736). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Related info for your journey
Find useful and relevant information for your journey from Ontario to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boise?
Book flights to Boise if you plan to visit one of these locationsOntario
Meridian
Nampa
Caldwell
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