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Cheap Flights to Southwest Idaho , ID from CA $243

View CA $243 flight on Tue, Aug 18, 2026Opens in a new window

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How much is the cheapest flight to Southwest Idaho?

Prices were available within the past 7 days and start at CA $243 for one-way flights and CA $404 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Aug 21 - Tue, Aug 25
YYZ
Toronto
BOI
Boise
CA $404 Roundtrip, found 3 days ago
CA $404
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Aug 21 from Toronto to Boise, returning Tue, Aug 25, priced at CA $404 found 3 days ago
Delta
Thu, Aug 6 - Fri, Aug 7
YYZ
Toronto
BOI
Boise
CA $406 Roundtrip, found 6 hours ago
CA $406
Roundtrip
found 6 hours ago
Select Delta flight, departing Thu, Aug 6 from Toronto to Boise, returning Fri, Aug 7, priced at CA $406 found 6 hours ago
United
Wed, Jul 22 - Sat, Jul 25
YEG
Edmonton
BOI
Boise
CA $438 Roundtrip, found 4 days ago
CA $438
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jul 22 from Edmonton to Boise, returning Sat, Jul 25, priced at CA $438 found 4 days ago
Air Canada
Fri, Aug 21 - Tue, Aug 25
YYZ
Toronto
BOI
Boise
CA $488 Roundtrip, found 3 days ago
CA $488
Roundtrip
found 3 days ago
Select Air Canada flight, departing Fri, Aug 21 from Toronto to Boise, returning Tue, Aug 25, priced at CA $488 found 3 days ago
Alaska Airlines
Thu, Aug 6 - Sun, Aug 9
YEG
Edmonton
BOI
Boise
CA $558 Roundtrip, just found
CA $558
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, Aug 6 from Edmonton to Boise, returning Sun, Aug 9, priced at CA $558 just found

Frequently asked questions

How do I find cheap flights to Southwest Idaho that have flexible change policies?
Search for affordable flights to Southwest Idaho, then mark the "No change fee" box underneath the "Flexible change policies" heading. It's that easy. We understand that travel plans change and flexibility matters, so you can book with confidence with Expedia.
Which airlines fly to Southwest Idaho?
Wherever you're planning to head to in Southwest Idaho and whenever you'd like to set off, you'll find your perfect flight with one of these top airlines:

  • Alaska Airlines - 862 flights to or near Southwest Idaho each month, including 810 flights to Boise Airport (BOI) and 52 to Friedman Memorial Airport (SUN) per month.
  • United Airlines - 551 flights to or near Southwest Idaho each month, including 381 flights to Boise Airport (BOI) and 169 to Friedman Memorial Airport (SUN) per month.
  • Delta - 537 flights to or near Southwest Idaho each month, including 442 flights to Boise Airport (BOI) and 95 to Friedman Memorial Airport (SUN) per month.

How can I find cheap tickets to Southwest Idaho?
You'll always nab an amazing deal with Expedia, but our "flexible dates" search function makes it even easier. Enter your preferred travel date, then tick the flexible dates box above to see prices for nearby days. CA $404 was the lowest price for a flight to Southwest Idaho in the last seven days.
How much is a flight to Southwest Idaho?
One-way flights departing from Toronto (YYZ) sold for as low as CA $243 in the last seven days. During this time, the cost of a return air ticket to Southwest Idaho ranged between CA $404 and CA $558. If you find a fantastic deal, book fast — these prices don't stick around.
What are the most popular airports to fly into in Southwest Idaho?
Which of these Southwest Idaho airports you'll land at will mostly depend on your chosen airline and final destination in the region:

  • Boise Airport (BOI) - 2,232 flights per month.
  • Friedman Memorial Airport (SUN) - 317 flights per month.

When is the cheapest time to fly to Southwest Idaho?
Fly out on a Tuesday to improve your chances of scoring the cheapest flight to Southwest Idaho. Mondays are usually the next most affordable day to depart. Saturday is normally the most expensive day to fly anywhere.
How much is a plane ticket to Southwest Idaho?
In the last seven days, plane tickets ranged between CA $404 and CA $558. Browse through our amazing deals to Southwest Idaho, make a booking and then start packing!
What are the best things to do in Southwest Idaho?

  • Filled with atmosphere and culture, Boise is the ideal base for your Southwest Idaho vacation. Explore renowned attractions like Boise State University, hit the stores or eat and drink your way around some of this destination's fabulous eateries. What you choose to do is up to you!
  • When deciding what kind of clothing to take on your trip, bear in mind that Boise has a Mediterranean climate. To give you a clearer idea of what to expect when you're there, look up the weather forecast before you set off.
  • Approximately 24 kilometres to the west of Boise, Star also deserves a place on your itinerary. Top sights in this city include Helina Marie's Wine Shop — don't forget to check it out.

What is the best time to go to Southwest Idaho?
Almost anytime is an excellent time to visit Southwest Idaho, with wonderful cities like Boise to discover. If you like to move with the crowd, May, June and July are the most popular months for tourists. The summer season kicks off June 20 here. If you're visiting during this time, take some suncream and a wide-brimmed hat. Average summer temperatures range between 15ºC and 28ºC in Boise.
What months are the cheapest to book a flight to Southwest Idaho?
An inexpensive month to reserve a flight to Southwest Idaho is February, whereas prices are at a premium in December. Keep clear of this month if you're watching your pennies.

Book with confidence

Expedia.ca gives you the best tools to secure great deals on flights to Southwest Idaho. Use our easy and convenient booking engine to browse nonstop flights and convenient departure points every day of the year. Search airfares from the top airlines to book your perfect flight to Southwest Idaho. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to Southwest Idaho.

Using our booking engine is simple - just type in your points of travel and preferred dates and Expedia.ca does the rest! If your travel times are flexible, you can find even better bargains by adjusting your flight dates. Browse connecting flights to increase your chances of finding even lower fares. Thanks to Expedia's Best Price Guarantee, you can book your Southwest Idaho flights with full confidence knowing that you've found the best deal online.

Expedia.ca makes the booking process easy and stress-free by offering support along the entire way. Our friendly staff is available 24 hours a day to provide assistance and help you book your ticket. Call us toll-free at 1-888-397-3342 to answer any questions that you may have about your trip to Southwest Idaho.

Looking to save even more? Get additional savings by bundling your Southwest Idaho flight with a hotel and/or car rental to create a bargain travel package. Early birds can discover terrific savings by booking in advance while last minute travelers can enjoy great last minute deals. With Expedia.ca, there's no shortage of options to save even more on your Southwest Idaho trip!

Travel information

Destination airport
Boise
Destination airport IATA code
BOI
Destination city name
Boise
Roundtrip price
CA $222

Trending flights to Southwest Idaho

Prices were available within the past 7 days and start at CA $243 for one-way flights and CA $404 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Aug 21 - Tue, Aug 25
YYZ
Toronto
BOI
Boise
CA $404 Roundtrip, found 3 days ago
CA $404
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Aug 21 from Toronto to Boise, returning Tue, Aug 25, priced at CA $404 found 3 days ago

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