Cheap flights from Toronto to Southern Idaho from CA $238

View CA $238 flight on Sat, Sep. 27, 2025Opens in a new window

Popular airlines from Toronto to Southern Idaho

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • WestJet

    WestJet

  • American Airlines

    American Airlines

  • United

    United

  • Air Canada

    Air Canada

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Toronto (YTO) to Southern Idaho (IDA)

Prices were available within the past 7 days and start at CA $238 for one-way flights and CA $398 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Nov. 1 - Sat, Nov. 15
YYZ
Toronto
BOI
Boise
CA $398 Roundtrip, found 4 days ago
CA $398
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Nov. 1 from Toronto to Boise, returning Sat, Nov. 15, priced at CA $398 found 4 days ago
American Airlines
Wed, Oct. 22 - Sat, Nov. 8
YYZ
Toronto
BOI
Boise
CA $399 Roundtrip, found 2 days ago
CA $399
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Oct. 22 from Toronto to Boise, returning Sat, Nov. 8, priced at CA $399 found 2 days ago
United
Tue, Sep. 16 - Sat, Sep. 20
YYZ
Toronto
BOI
Boise
CA $399 Roundtrip, found 19 hours ago
CA $399
Roundtrip
found 19 hours ago
Select United flight, departing Tue, Sep. 16 from Toronto to Boise, returning Sat, Sep. 20, priced at CA $399 found 19 hours ago
Alaska Airlines
Wed, Oct. 15 - Sat, Nov. 1
YYZ
Toronto
BOI
Boise
CA $400 Roundtrip, found 3 hours ago
CA $400
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Wed, Oct. 15 from Toronto to Boise, returning Sat, Nov. 1, priced at CA $400 found 3 hours ago
American Airlines
Tue, Sep. 2 - Wed, Sep. 10
YYZ
Toronto
BOI
Boise
CA $405 Roundtrip, found 6 days ago
CA $405
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Sep. 2 from Toronto to Boise, returning Wed, Sep. 10, priced at CA $405 found 6 days ago
Air Canada
Sat, Aug. 30 - Sat, Sep. 6
YYZ
Toronto
BOI
Boise
CA $473 Roundtrip, found 2 hours ago
CA $473
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Sat, Aug. 30 from Toronto to Boise, returning Sat, Sep. 6, priced at CA $473 found 2 hours ago
*Available to Expedia members.