$82 Find Cheap Flights from Seattle to Idaho - Compare and Save

The cheapest ticket to Idaho from Seattle found in the last 5 days was to Boise, at $157 round-trip. The most popular route is from Seattle (SEA) to Boise (BOI), and the cheapest round-trip airline ticket found on this route in the last 5 days was $157.

The cheapest time of day to fly to Idaho is generally in the afternoon, when round-trip flights cost $222 on average. On average, there is no price difference when choosing to fly in the morning or the evening on this flight route. The most expensive time of day to fly to Idaho is generally in the evening, which is peak travel time and where the average cost of a ticket is $243.

No, with an average price for the route of $327, prices are generally cheapest when you fly direct.

The cheapest month for flights from Seattle to Idaho is April, when tickets cost $168 (return) on average. On the other hand, the most expensive months are July and June, when the average cost of round-trip tickets is $364 and $325 respectively.

If your flying dates are flexible, you should consider flying to Idaho on a Saturday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Seattle to Idaho. For your return ticket, we recommend flying on a Friday and avoiding Tuesdays for the best deals.

To get a below average price on the flight from Seattle to Idaho, you should book around 4 weeks before departure, which saves you about 62% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 6 weeks before departure.

There are 3 airlines that fly nonstop from Seattle to Idaho. They are: Alaska Airlines, Delta and Hawaiian Airlines. The cheapest price of all airlines flying this route was found with Delta at $79 for a round-trip flight to Boise (BOI). On average, Delta offers the best prices for nonstop flights between Seattle and Idaho.

Seattle and Idaho are connected by different airlines. The airlines that fly that route the most regularly are Alaska Airlines (94 flights per week), Delta (55 flights per week), and Qatar Airways (55 flights per week).

The duration of a flight to Idaho depends on your arrival airport. The shortest routes to Idaho from Seattle are to Lewiston, which takes 1h 18m, Boise, which takes 1h 26m, and Hailey, which takes 1h 36m.

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

The earliest flight from Seattle to Idaho departs at 7:04 am, landing in Boise at 9:37 am.

If you prefer to fly at night, the latest flight from Seattle to Idaho jets off at 9:31 pm and lands in Boise at 12:04 am.