Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Vancouver Intl to Idaho Falls as you normally would.
Yes, there are multiple flights from Vancouver Intl to Idaho Falls for under C$ 628. The cheapest flight booked recently is on Delta for just C$ 509, but on average you can expect to pay C$ 770.
There are no direct flights from Vancouver Intl to Idaho Falls, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.
The rainfall in Vancouver Intl is generally less than the rainfall in Idaho Falls. This will continue over the next 17 days.
You can imagine temperatures to be in the 33 °C range in July. The weather in Idaho Falls is generally hotter than Vancouver Intl's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.
Airlines like Delta and United Airlines fly from Vancouver Intl to Idaho Falls in about 4h 38m. The time it takes to get you to your destination can typically vary by up to 13h 20m. Both multi-stop and direct flights can be found to your destination and back.
Flying on Delta is currently your cheapest option to Idaho Falls, with prices starting at C$ 509. Another option worth looking into is United Airlines, starting at C$ 510 round trip.