Cheap flights from Seattle to Boise from $79
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Boise departing on 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Delta flights from Seattle to Boise
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Alaska Airlines flights from Seattle to Boise
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How to get the cheapest flight ticket from Seattle to Boise
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Boise?
The month of January is, on average, the cheapest month to fly to Boise from Seattle, with most prices found around $186. If you aren’t able to travel during the month of January, then book flights to Boise from Seattle during September instead. Flights to Boise in September, while not as cheap as those in January, still average around $186.
What is the cheapest day to depart on your flight to Boise?
Our data shows that Thursday is the least expensive day to fly to Boise. Tickets to fly out on this day can be as low as $203. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $280. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boise.
What is the cheapest time of day to depart on your flight to Boise?
Our data shows that the cheapest Seattle to Boise flights are usually those with departure times in the evening. Our users have found flights to Boise in the evening for as low as $208. At noon is when there is more demand to fly to Boise, so prices are often more expensive at around $261 per ticket.
What is the cheapest Seattle/Tacoma Intl to Boise Air Term. Gowen Fld flight route?
Fly from Seattle/Tacoma Intl to Boise Air Term. Gowen Fld for the best Seattle/Tacoma Intl - Boise Air Term. Gowen Fld flight prices
How far in advance should I book a flight to Boise?
You are more likely to see cheaper flights to Boise from Seattle when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Boise for around $214 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boise from Seattle for as low as $172 on momondo.
What cabin class options are available on Seattle/Tacoma Intl to Boise Air Term. Gowen Fld flights?
There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Boise Air Term. Gowen Fld flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Boise Air Term. Gowen Fld?
Delta, Alaska Airlines, and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Boise Air Term. Gowen Fld
What airlines fly to Boise?
Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to Boise from Seattle according to our data. Alaska Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Boise. Keep in mind that there are 3 different airlines that fly to Boise on a routine basis, so you have a few additional options to choose from.
How many flights depart from Seattle to Boise on average per day?
54 flights are operational daily from Seattle to Boise as of June 2025. The most popular departure time for this route is 1:00PM, with 55% of flights per day taking off in the afternoon.
How many flights depart from Seattle to Boise on average per week?
As of June 2025, 382 flights take off from Seattle and land in Boise each week. The most common flight departure day for this route is Thu, with 17% of weekly flights taking off on this day.
When to book flights from Seattle to Boise
Cheap Seattle to Boise (SEA to BOI) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Boise
How far is Seattle/Tacoma Intl to Boise Air Term. Gowen Fld by plane?
Seattle/Tacoma Intl and Boise Air Term. Gowen Fld are 404.9 mi apart from one another. 1h 26m is a normal flight duration for this route.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Boise Air Term. Gowen Fld Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Boise Air Term. Gowen Fld Airport refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Boise Air Term. Gowen Fld Airport?
As of June 2025, there are 3 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Boise Air Term. Gowen Fld Airport.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Boise Air Term. Gowen Fld Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Boise Air Term. Gowen Fld Airport.
What documentation or ID do you need to fly to Boise Air Term. Gowen Fld Airport?
The travel and health documents required for your trip to Boise Air Term. Gowen Fld Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Boise Air Term. Gowen Fld Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Seattle to Boise?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Seattle to Boise is Embraer 175 (39.17% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (22.53%), Boeing 737-900 Passenger/BBJ3 (winglets) (17.90%), and Boeing 737 (8.01%).
What is the most popular airline from Seattle to Boise?
Based on momondo bookings for flights between Seattle and Boise, the leading airline is Alaska Airlines, making up 53% of the total bookings. Other popular airlines include Delta with 43% and Hawaiian Airlines with 4%.
Best airlines flying from Seattle to Boise
Compare and see reviews for airlines that fly from Seattle to Boise with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $104 | Free Cancellation | Rating 7.8 2,494 reviews | |||
| PriceFrom $117 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $137 | Free Cancellation | Rating 8.0 10,000 reviews |
Delta Flights From Seattle to Boise
Delta is one of the most popular airlines flying from Seattle to Boise, operating 33 flights/week on average for this route. A good Delta flight deal for Seattle to Boise starts from $117 round-trip, up to an average price of $200. Our users have rated Delta at 8.0/10.
Alaska Airlines Flights From Seattle to Boise
Another popular option for Seattle to Boise flights is Alaska Airlines (8.0/10, 10,000 ratings). Alaska Airlines flies from Seattle to Boise around 50 times per week, with deals starting from $137 round-trip and rising to an average price of around $233.
Traveling to a place near Boise?
Book flights to Boise if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seattle to Boise?
Finding the right flight to Boise from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Boise quick and easy, saving you time and money.
Can I find flights from Seattle to Boise with flexible booking policies on momondo?
momondo does allow users to show only those flights to Boise from Seattle which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Seattle to Boise?
Once all potential Seattle to Boise flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Seattle to Boise right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Boise from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.