91 € Cheap Flights from Seattle to Boise

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Flight deals from Seattle to Boise

Looking for a cheap last-minute deal or the best return flight from Seattle to Boise? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle to Boise

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Boise flights are currently cheapest in August.

Direct flights from Seattle to Boise

Seattle to Boise: Alternative routes

Compare routes from Seattle to Boise below. You may find an airport to fly into that's cheaper, faster, or easier than Boise.

Seattle to Boise: Flight information

The things to know before you go.
Cheapest flight found91 €
Cheapest month to flyOctober
Average flight time1 hr, 30 mins
Most popular airlineAir Tahiti Nui
Average flights per week950

Finding cheap flights from Seattle to Boise: Frequently asked questions

The best price we found for a return flight from Seattle to Boise is 91 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 30 minutes is the average flight time from Seattle to Boise.
Air Tahiti Nui, Alaska Airlines and Hawaiian Airlines fly direct from Seattle to Boise.
As of July 2025, there are 475 flights per week flying from Seattle to Boise.
The cheapest month to fly from Seattle to Boise is usually October.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Boise Airport on Wednesday, 15 October 2025.
Yes – the average flight time is 1 hour and 30 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Boise but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Boise is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Boise is Hawaiian Airlines .

Flying from Seattle to Boise Air Terminal (Gowen Field) Airport (BOI): What you need to know

  • Your journey comes together at Seattle's main airport, Seattle-Tacoma International Airport (SEA). Explore the options for reserving a flight from Seattle to Boise Air Terminal (Gowen Field) Airport (BOI) leaving from this terminal.

  • The average length of a direct Seattle to Boise Air Terminal (Gowen Field) Airport flight is 1 hour 30 minutes.

  • The timezone in Boise is UTC-6, which is one hour ahead of Seattle. Boise Air Terminal (Gowen Field) Airport is located in Boise.

  • With 106 direct weekly flights between the two airports, Seattle-Tacoma International Airport (SEA) to Boise Air Terminal (Gowen Field) Airport (BOI) is the busiest route. Alaska Airlines operates the earliest flight at 7am. If you'd like to make the most of your day before flying, the last departure from SEA to BOI is with Delta Air Lines at 9:59pm.

  • To ensure you get on your flight from Seattle to BOI, leave plenty of time to check in and find your gate. Arriving two hours before international departures and one hour before domestic flights is the general travel rule.

  • With more people on the move during high season, it's smart to be at your terminal even earlier. Two hours for domestic flights and up to four for international journeys will help you stay ahead of the crowds.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) provides a hassle-free way to reach your destination. Nonstop flights from Seattle to Boise Air Terminal (Gowen Field) Airport (BOI) depart from this terminal.

  • You can get away on a direct flight from Seattle to Boise Air Terminal (Gowen Field) Airport with Alaska Airlines. This leading airline operates departures from SEA.

  • Most passengers prefer to book seats with Alaska Airlines between SEA and BOI.

  • Delta Air Lines takes the lead in punctuality. An exceptional 86.56% of its services on this route arrive without delay.

  • Located around 23 kilometres from the centre of Seattle, SEA can be reached in about 20 minutes by car, depending on traffic. The journey on public transport takes roughly 55 minutes.

  • Want an easy start to your travels? Stay near Seattle-Tacoma International Airport. Whether you're boarding an early flight from Seattle to Boise Air Terminal (Gowen Field) Airport or prefer not to rush, these hotels are the answer:

  • Seattle-Tacoma International Airport has a strong on-time record, making delays less likely. Departures from SEA arrive at their destination as scheduled 81.27% of the time.

Lake Union Sea Plane Base Airport (LKE)

  • With public transport, you can travel from central Seattle to LKE in around 25 minutes. The airport is roughly 3 kilometres away, and getting there by car will take approximately 10 minutes.

  • Get a head start on your holiday with an additional night away from home. Before your Seattle to BOI flight, stay in one of these hotels near Lake Union Sea Plane Base Airport:

About Boise Air Terminal (Gowen Field) Airport (BOI)

Getting from Boise Air Terminal (Gowen Field) Airport (BOI) to central Boise

  • Boise Air Terminal (Gowen Field) Airport is around 6 kilometres from central Boise. How long it'll take to get there by cab or car hire will depend on the time of day. Do a little research beforehand.

  • Travelling by public transport typically takes 1 hour 35 minutes.

How to find the cheapest flights from Seattle to Boise Air Terminal (Gowen Field) Airport (BOI)

  • Right now, 64 € is the best price we've found for a one-way ticket from Seattle to Boise Air Terminal (Gowen Field) Airport. The cheapest price for a return flight is 91 €. Keep in mind fares can change due to availability at the time of booking.

  • To find cheap flights from Seattle to BOI, book in advance. Airlines tend to offer the most competitive fares when flights are first released.

  • Affordable Seattle to Boise Air Terminal (Gowen Field) Airport tickets are easier to find if your travel dates are flexible. Try using the 'Whole month' tool to compare fares across every month and then pick the cheapest day.

  • Save time looking for cheap plane tickets from Seattle to BOI by setting up a Price Alert. We'll send you an email or push notification on the app when a lower fare pops up.

  • Discover the best deal on a flight from Seattle to Boise Air Terminal (Gowen Field) Airport with the help of the filters. Pick your preferred arrival and departure times, airlines and number of stops. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest.'

The best time to fly from Seattle to Boise Air Terminal (Gowen Field) Airport (BOI)

  • It's time to decide your travel dates for your flight from Seattle to Boise Air Terminal (Gowen Field) Airport (BOI). July is the busiest month to visit Boise. If you like your getaways a little more chill, go in May.

  • Book a Seattle to BOI plane ticket departing in July if you're eager to explore the city during its warmest month. Expect temperatures in Boise to range from 15ºC (59ºF) to 35ºC (95ºF).

  • If you like travelling in cooler conditions, search for a cheap ticket from Seattle to Boise Air Terminal (Gowen Field) Airport in January when temperatures are between -11ºC (12ºF) and 5ºC (41ºF).

More about Boise

  • When it comes to looking for somewhere to rest your head, you'll find the best stays in Boise right here. Check out these options after you've booked your flight from Seattle to Boise Air Terminal (Gowen Field) Airport:

  • There are loads of terrific things to do in Boise when you're ready to get out and sightsee. Kick off your itinerary at Cathedral Of The Rockies followed by Boise River Rafting and Boise Depot.

Explore more of the United States

  • Boise is always a good idea, but there are so many other corners of the United States waiting to be discovered. Around 177 kilometres south-east of Boise, a visit to Twin Falls will keep your itinerary busy. Start with leading sights like Sawtooth National Forest, Twin Falls and Base jump the bridge.

  • Around 241 kilometres north-west of Boise, La Grande is another essential stop in the United States. Start your sightseeing at Our Lady of the Valley, La Grande Skatepark and Jefferson Street Depot.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.