Cheap flights to Idaho – Compare and Save

— BOI
2 May — 9 May1
1 adult
1 adult, Economy, 0 bags

Flights to Idaho in 2026

Find the latest flights to Idaho in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 2 April 2026.

Round-trip from

C$ 400

One-way from

C$ 239

Popular in

June

Cheapest in

November

Average price

C$ 590
United Airlines
  • United Airlines
  • 15/4-18/4
  • 2 total stops
  • 28h 48m total
  • Toronto to Boise
American Airlines
  • American Airlines
  • 14/4
  • 1 total stop
  • 17h 53m total
  • Toronto to Idaho
Highest demand for flights based on searches. 21% potential increase in price (C$ 163 potential increase over avg. RT price).
Cheapest flight prices on average. 9% potential price decrease (C$ 52 potential savings vs. average RT price).
Average for round-trip flights in April 2026

Find flights to Idaho

Browse one-way and round-trip flights deals to Idaho on Cheapflights. Flight deals are based on user searches and were last updated on 2 April 2026
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Cheapest flights to Idaho
Explore the most affordable flight options available to Idaho. Find the lowest fares based on data from user searches, with prices last updated on 2 April 2026.

Wed 15/46:30 a.m.
YYZ
-
BOI
1 stop12h 18m
United Airlines
Sat 18/412:30 p.m.
BOI
-
YYZ
1 stop16h 30m
United Airlines
Deal found 30/3C$ 400
Tue 14/46:30 a.m.
YYZ
-
BOI
1 stop10h 54m
United Airlines
Sat 18/42:37 p.m.
BOI
-
YYZ
2 stops17h 17m
United Airlines
Deal found 28/3C$ 401
Fri 24/49:00 p.m.
YYZ
-
GEG
2 stops18h 40m
United Airlines
Mon 27/44:01 p.m.
GEG
-
YYZ
2 stops14h 18m
United Airlines
Deal found 30/3C$ 401
Fri 17/46:30 a.m.
YYZ
-
BOI
1 stop9h 56m
Delta
Mon 20/411:35 p.m.
BOI
-
YYZ
1 stop8h 44m
Delta
Deal found 29/3C$ 403
Thu 6/81:38 p.m.
YYZ
-
GEG
2 stops12h 33m
Delta
Mon 10/810:45 p.m.
GEG
-
YYZ
2 stops11h 40m
Delta
Deal found 31/3C$ 403
Sun 12/46:30 a.m.
YYZ
-
BOI
1 stop9h 35m
Delta
Fri 17/411:35 p.m.
BOI
-
YYZ
1 stop8h 44m
Delta
Deal found 28/3C$ 404
Wed 15/411:30 a.m.
YYZ
-
GEG
1 stop13h 01m
Delta
Sat 18/49:45 a.m.
GEG
-
YYZ
2 stops10h 11m
Delta
Deal found 28/3C$ 404
Thu 24/95:50 p.m.
YYZ
-
BOI
1 stop8h 06m
Delta
Mon 28/911:30 p.m.
BOI
-
YYZ
2 stops11h 55m
Delta
Deal found 28/3C$ 414
Mon 23/1112:05 p.m.
YYZ
-
GEG
2 stops14h 06m
Delta
Sat 28/116:05 a.m.
GEG
-
YYZ
2 stops13h 55m
Delta
Deal found 28/3C$ 414
Thu 14/56:30 a.m.
YYZ
-
GEG
1 stop9h 41m
Delta
Sun 24/56:49 a.m.
GEG
-
YYZ
2 stops13h 52m
Delta
Deal found 30/3C$ 429
Thu 13/86:30 a.m.
YYZ
-
BOI
1 stop9h 33m
Delta
Sun 16/811:30 p.m.
BOI
-
YYZ
1 stop10h 45m
Delta
Deal found 29/3C$ 431
Sat 4/712:25 p.m.
YYZ
-
GEG
1 stop10h 01m
Delta
Sat 11/74:30 p.m.
GEG
-
YYZ
2 stops13h 25m
Delta
Deal found 1/4C$ 431

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