Find flights
When to book
FAQs & Tips
Deals

C$ 407 Find cheap flights from Boise to Ontario

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boise to Ontario departing on 3/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags

Search hundreds of travel sites at once for deals on flights to Ontario

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boise to Ontario, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boise to Ontario, as well as popular online travel agencies
In the last 7 days, travellers have searched 43,377,091 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Good to know

Low season

February

High season

April

Cheapest flight

C$ 407
Best time to beat the crowds but there is an average 31% increase in price.
Most popular time to fly (16% more expensive on average)
Flight from Boise to Toronto

FAQs - booking Ontario flights

  • How does KAYAK find such low prices on flights from Boise to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boise to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boise to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Boise is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boise to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Boise with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boise to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Boise up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding cheap flights to Ontario

  • Morning departure is around 15% cheaper than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

Book cheap flights from Boise to Ontario

Recent round-trip flight deals

 
These are the cheapest round-trip flights from Boise to Ontario found on KAYAK in the last 72 hours.
3/12Tue
1 stop
7h 56mBOI-YYZ
10/12Tue
2 stops
27h 00mYYZ-BOI
C$ 407
20/11Wed
1 stop
16h 55mBOI-YYZ
23/11Sat
1 stop
17h 31mYYZ-BOI
C$ 449
3/12Tue
1 stop
7h 56mBOI-YYZ
10/12Tue
1 stop
21h 25mYYZ-BOI
C$ 463
3/12Tue
3 stops
34h 16mBOI-YYZ
10/12Tue
2 stops
23h 20mYYZ-BOI
C$ 490
3/12Tue
1 stop
15h 51mBOI-YYZ
10/12Tue
3 stops
27h 00mYYZ-BOI
C$ 501
19/12Thu
2 stopsDelta
14h 44mBOI-YYZ
30/12Mon
2 stopsDelta
12h 28mYYZ-BOI
C$ 506
16/1Thu
1 stopUnited Airlines
14h 26mBOI-YYZ
20/1Mon
2 stopsUnited Airlines
11h 55mYYZ-BOI
C$ 515
16/1Thu
2 stopsAlaska Airlines
17h 10mBOI-YYZ
20/1Mon
2 stopsAlaska Airlines
22h 46mYYZ-BOI
C$ 522
19/12Thu
1 stopDelta
5h 49mBOI-YYZ
30/12Mon
2 stopsDelta
14h 15mYYZ-BOI
C$ 756
19/12Thu
2 stopsWestJet
11h 40mBOI-YYZ
3/1Fri
2 stopsWestJet
11h 52mYYZ-BOI
C$ 1,000

Search by stops

Search by airline

Search by price

Last minute flights from Boise to Ontario

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Boise to Ontario that are departing in the next 10 days.
7/11Thu
multi-stopAir Canada
8h 02mBOI-YYZ
11/11Mon
multi-stopAir Canada
17h 13mYYZ-BOI
C$ 812
7/11Thu
multi-stopDelta
7h 16mBOI-YYZ
11/11Mon
multi-stopDelta
14h 35mYYZ-BOI
C$ 824
7/11Thu
multi-stopDelta
13h 08mBOI-YYZ
11/11Mon
multi-stopDelta
14h 35mYYZ-BOI
C$ 831
8/11Fri
multi-stopAlaska Airlines
17h 04mBOI-YYZ
10/11Sun
multi-stopAlaska Airlines
18h 50mYYZ-BOI
C$ 884
8/11Fri
multi-stopDelta
9h 16mBOI-YYZ
10/11Sun
multi-stopDelta
14h 54mYYZ-BOI
C$ 951

Search by stops

Search by airline

Search by price

Everything you need to know for your flight from Boise to Ontario

Information on your arrival and departure airports