Cheap flights from Boise to Seattle from $69
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Seattle departing on 9/9. 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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How to get the cheapest flight ticket from Boise to Seattle
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 Seattle?
In general, September is the cheapest month to fly from Boise to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $176. If you don’t want to visit Seattle in September, then you should wait until October to fly from Boise, when ticket prices are also cheap, with an average price of $176.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Boise is on a Thursday. momondo users have found tickets for Thursday departures for as low as $420. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Boise because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $516.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Boise in the evening is the least expensive time of day to depart. momondo users have found prices as low as $395 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $476. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Boise Air Term. Gowen Fld to Seattle/Tacoma Intl flight route?
Fly from Boise Air Term. Gowen Fld to Seattle/Tacoma Intl for the best Boise Air Term. Gowen Fld - Seattle/Tacoma Intl flight prices
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Boise when booking 4 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $198 when searching 4 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Boise for as low as $170 on momondo.
What cabin class options are available on Boise Air Term. Gowen Fld to Seattle/Tacoma Intl flights?
There are 4 cabin classes available to choose from on Boise Air Term. Gowen Fld to Seattle/Tacoma Intl 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 Boise Air Term. Gowen Fld to Seattle/Tacoma Intl?
Delta, Alaska Airlines, and Hawaiian Airlines are the most popular carriers operating from Boise Air Term. Gowen Fld to Seattle/Tacoma Intl
What airlines fly to Seattle?
Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to Seattle from Boise according to our data. Alaska Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
How many flights depart from Boise to Seattle on average per day?
As of June 2025, there are 56 flights per day flying from Boise to Seattle. The most common time of day flights depart is 10:00AM, with 50% of flights taking off at noon.
How many flights depart from Boise to Seattle on average per week?
As of June 2025, 396 flights take off from Boise and land in Seattle each week. The most common flight departure day for this route is Thu, with 16% of weekly flights taking off on this day.
When to book flights from Boise to Seattle
Cheap Boise to Seattle (BOI to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Boise to Seattle
How far is Boise Air Term. Gowen Fld to Seattle/Tacoma Intl by plane?
There are 404.9 mi between Boise Air Term. Gowen Fld and Seattle/Tacoma Intl. Flights usually cover this in 1h 33m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Boise Air Term. Gowen Fld Airport to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Seattle/Tacoma Intl Airport?
As of June 2025, there are 3 operators available to choose from for flights from Boise Air Term. Gowen Fld Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Boise to Seattle?
Based on momondo bookings for flights between Boise and Seattle, the leading plane model is Embraer 175, making up 43.30% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 19.73%, Boeing 737-900 Passenger/BBJ3 (winglets) with 14.29%, and Boeing 737 with 8.17%.
What is the most popular airline from Boise to Seattle?
momondo data reveals that the most frequently booked airline on the route from Boise to Seattle is Alaska Airlines, representing 52% of all bookings. The subsequent popular airlines are Delta at 45% and Hawaiian Airlines at 3%.
Best airlines flying from Boise to Seattle
Compare and see reviews for airlines that fly from Boise to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $117 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $128 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $137 | Free Cancellation | Rating 7.8 2,494 reviews |
Delta Flights From Boise to Seattle
Delta flight deals from Boise to Seattle start from $117 round-trip. Over the 34 Delta flights for this route in a normal week, average airfare is usually $191 round-trip - but some users have found much cheaper deals with momondo.
Alaska Airlines Flights From Boise to Seattle
Alaska Airlines is also a popular choice for this route. Alaska Airlines flight deals for Boise to Seattle start from as low as $128 round-trip, depending on your selected dates, with average Alaska Airlines deals seen on momondo around $201. Alaska Airlines operates 42 flights to Seattle from Boise in an average week. Users have rated it 8.0/10 across 10,000 reviews.
Traveling to a place near Seattle?
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Why should I use momondo to find a flight deal from Boise to Seattle?
It is quick and easy to find Boise to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.
Can I find flights from Boise to Seattle with flexible booking policies on momondo?
All flight searches from Boise to Seattle on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Boise to Seattle?
momondo provides multiple filters to help you find the best flight to Seattle from Boise. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Boise to Seattle right now. Can momondo alert me if prices change?
Price alerts on flights to Seattle from Boise are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.