Cheap flights to Idaho – Compare and Save

— BOI
19 Jun — 26 Jun1
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 20 May 2026.

Round-trip from

C$ 435

One-way from

C$ 259

Popular in

July

Cheapest in

November
Delta
  • Delta
  • 21/7-23/7
  • 2 total stops
  • 19h 37m total
  • Toronto to Boise
Delta
  • Delta
  • 25/6
  • 1 total stop
  • 9h 48m total
  • Toronto to Idaho
Highest demand for flights based on searches. 10% potential increase in price (C$ 64 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease (C$ 17 potential savings vs. average RT price).

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 20 May 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 20 May 2026.

Tue 21/76:00 a.m.
YYZ
-
BOI
1 stop8h 53m
Delta
Thu 23/710:29 a.m.
BOI
-
YYZ
1 stop10h 44m
Delta
Deal found 17/5C$ 435
Thu 24/910:45 a.m.
YYZ
-
GEG
1 stop13h 08m
United Airlines
Sat 26/95:00 a.m.
GEG
-
YYZ
1 stop13h 32m
United Airlines
Deal found 17/5C$ 435
Sat 4/76:30 a.m.
YYZ
-
GEG
2 stops12h 41m
Delta
Sat 11/77:00 a.m.
GEG
-
YYZ
2 stops13h 13m
Delta
Deal found 18/5C$ 476
Sat 4/712:25 p.m.
YYZ
-
GEG
1 stop10h 01m
Delta
Sat 11/77:00 a.m.
GEG
-
YYZ
2 stops13h 13m
Delta
Deal found 18/5C$ 488
Sat 18/712:15 p.m.
YTZ
-
BOI
2 stops11h 50m
United Airlines
Tue 21/75:46 p.m.
BOI
-
YTZ
2 stops14h 20m
United Airlines
Deal found 16/5C$ 495
Sat 6/612:15 p.m.
YTZ
-
BOI
2 stops13h 40m
Air Canada
Tue 9/67:05 p.m.
BOI
-
YTZ
2 stops13h 01m
Air Canada
Deal found 19/5C$ 506
Tue 2/61:34 p.m.
YYZ
-
BOI
1 stop10h 54m
Delta
Fri 5/611:39 p.m.
BOI
-
YYZ
1 stop8h 40m
Delta
Deal found 16/5C$ 509
Thu 24/92:15 p.m.
YYZ
-
GEG
2 stops8h 05m
Delta
Sat 26/95:45 a.m.
GEG
-
YYZ
2 stops14h 13m
Delta
Deal found 19/5C$ 509
Sat 4/76:30 a.m.
YYZ
-
GEG
2 stops12h 41m
Delta
Sat 11/77:00 a.m.
GEG
-
YYZ
2 stops13h 02m
Delta
Deal found 15/5C$ 520
Sat 4/712:25 p.m.
YYZ
-
GEG
1 stop10h 01m
Delta
Sat 11/77:00 a.m.
GEG
-
YYZ
2 stops13h 13m
Delta
Deal found 19/5C$ 529
Sat 4/712:25 p.m.
YYZ
-
GEG
1 stop10h 01m
Delta
Sat 11/77:00 a.m.
GEG
-
YYZ
2 stops13h 13m
Delta
Deal found 15/5C$ 531
Sun 20/91:30 p.m.
YYZ
-
BOI
2 stops12h 29m
WestJet
Wed 23/94:05 p.m.
BOI
-
YYZ
2 stops12h 50m
WestJet
Deal found 18/5C$ 560

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