Cheap flights from Boise to Washington from $89

The month of January is, on average, the cheapest month to fly to State of Washington from Boise, with most prices found around $156. If you aren’t able to travel to State of Washington during the month of January, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $173.

The cheapest day to depart from Boise to State of Washington is on a Friday. Travelers who choose to depart for State of Washington on a Friday will often find tickets for as low as $427. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Boise to State of Washington for around $578.

The cheapest time of day to fly to State of Washington is in the afternoon when flights can be purchased for as low as $474. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $543 on average. Flights to State of Washington from Boise in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Boise Air Term. Gowen Fld to Seattle/Tacoma Intl for the best Boise Air Term. Gowen Fld - Washington flight prices

You are more likely to see cheaper flights to State of Washington from Boise when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $234 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Boise for as low as $174 on momondo.

There are 4 cabin classes available to choose from on Boise to State of Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

20 flights are operational daily from Boise to State of Washington as of October 2026. The most popular departure time for this route is 12:00PM, with 44% of flights per day taking off in the afternoon.

As of October 2026, 144 flights take off from Boise and land in State of Washington each week. The most common flight departure day for this route is Thu, with 32% of weekly flights taking off on this day.