Flight tickets from Seattle to Boise

Compare Seattle to Boise flight deals

Find the cheapest month or even day of the year to fly to Boise

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Flight deals from Seattle to Boise Airport

Looking for a cheap last-minute deal or the best return flight from Seattle to Boise Airport? If you want to travel next month, return fares start from ₹ 10,978. 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 May.

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 found₹ 7,336
Cheapest month to flyMay
Average flight time1 hr, 32 mins
Most popular airlineAlaska Airlines
Average flights per week464

Finding cheap flights from Seattle to Boise: Frequently asked questions

The best price we found for a return flight from Seattle to Boise is ₹ 10,978. 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 31 minutes is the average flight time from Seattle to Boise.
Alaska Airlines, Qatar Airways and SkyWest Airlines fly direct from Seattle to Boise.
As of March 2026, there are 497 flights per week flying from Seattle to Boise.
The cheapest month to fly from Seattle to Boise is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Boise Airport on Thursday, 16 April 2026.
Yes – the average flight time is 1 hour and 31 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 Delta .

Travelling from Seattle to Boise Air Terminal (BOI): What you need to know

  • Start your trip at Seattle-Tacoma International Airport (SEA), the main airport in Seattle. Search for flights from Seattle to Boise Air Terminal (BOI) that take off from this base.

  • The average time for a direct Seattle to Boise Air Terminal flight is 1 hour 30 minutes.

  • The timezone in Boise is UTC-7, which is one hour ahead of Seattle. Boise Air Terminal is located in Boise.

  • The most popular route is from Seattle-Tacoma International Airport (SEA) to Boise Air Terminal (BOI), with 100 direct weekly services. If you'd rather get moving right away, the earliest flight from SEA to BOI is the 7am Alaska Airlines service. If you prefer to leave later in the day, the final departure is at 9:59pm with Delta Air Lines.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Be at the airport on time to catch your flight from Seattle to BOI.

  • July is a peak travel month. If you're heading away then or around a major holiday like Christmas or Thanksgiving, turn up even earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international journeys.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) will have you travelling directly to your destination. Nonstop flights from Seattle to Boise Air Terminal (BOI) operate out of this terminal.

  • You can get away on a direct flight from Seattle to Boise Air Terminal with Alaska Airlines. This top airline operates services from SEA.

  • The preferred choice for passengers flying between SEA and BOI is Alaska Airlines.

  • Delta takes the top spot for on-time performance. A dependable 88.81% of its departures on this route reach their destination on schedule.

  • The journey from central Seattle to SEA takes about 35 minutes on public transport. If you ride-share, drive or grab a taxi, you'll cover the 23 kilometres in 25 minutes or so, depending on traffic.

  • Booked an early flight from Seattle to Boise Air Terminal? Avoid the hassle of rushing to the terminal (and enjoy a few extra z's) by picking one of these hotels close to Seattle-Tacoma International Airport:

  • 80% of flights departing from Seattle-Tacoma International Airport land at their destination as planned. Given its strong performance rating, disruptions are unlikely when setting off from SEA.

Seattle Paine Field International Airport (PAE)

  • Using public transport, you can travel from central Seattle to PAE in about 1 hour 30 minutes. The terminal is roughly 40 kilometres away, and getting there by car will take approximately 40 minutes.

  • Start your holiday early with an additional night away from home. Before catching your Seattle to BOI flight, stay in one of these hotels near Seattle Paine Field International Airport:

  • Seattle Paine Field International Airport has earned its reputation for punctuality. 80% of flights out of here land when expected.

About Boise Air Terminal (BOI)

  • The last thing you want is a long journey to your hotel if you're getting in late on a flight from Seattle to Boise Air Terminal. Get comfy at one of these accommodation options near BOI instead:

  • Lock in the best possible rate by reserving your vehicle around one week before your Seattle to Boise Air Terminal flight.

  • The street address for BOI is 3201 Airport Way.

Getting from Boise Air Terminal (BOI) to central Boise

  • From Boise Air Terminal, central Boise is around 6 kilometres away. It takes about 15 minutes to get to the city centre by car.

  • When travelling on public transport, expect a journey time of around 30 minutes.

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

  • ₹ 7,336 is the lowest price for a one-way ticket from Seattle to Boise Air Terminal. Return flights start at ₹ 10,978. These fares can change depending on demand and availability.

  • To find cheap flights from Seattle to BOI, book early. Airlines generally offer lower prices when flights are first released.

  • Affordable Seattle to Boise Air Terminal tickets are easier to find when your dates are flexible. Try using the 'Whole month' search tool to compare fares across each month and then choose the cheapest day.

  • Never miss a deal on 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 fares go down.

  • Filters make it easier to snap up a deal on your flight from Seattle to Boise Air Terminal. Pick the flight times, carriers and stops that match your plans. Then sort the results by 'Cheapest' to find the lowest price right away.

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

  • It's time to figure out when to book your flight from Seattle to Boise Air Terminal (BOI). July is the busiest month to travel to Boise. If crowds aren't your thing, head there in December.

  • Before locking in your Seattle to BOI plane ticket, consider the weather you're most comfortable in. July is the warmest month in Boise, with temperatures ranging from 15ºC to 35ºC.

  • January sees temperatures of between -11ºC and 5ºC. Look for cheap tickets from Seattle to Boise Air Terminal around that time if you like travelling in cooler conditions.

More about Boise

  • Start your Boise trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from Seattle to Boise Air Terminal, check out our selection of accommodation options including:

  • Every great journey has to include some sightseeing. Cathedral Of The Rockies, Boise Depot and St. John's Cathedral are must-do's during your Boise adventure.

Explore more of the United States

  • You've visited Boise, now it's time to discover more of the United States. Journey around 177 kilometres southeast to Twin Falls to check off its top attractions. From Twin Falls to Snake River Canyon Trail and Perrine Memorial Bridge Scenic Overlook Visitor Centre, your itinerary will be busy.

  • Time for another stop? Head for La Grande. It's roughly 241 kilometres northwest of Boise and is known for highlights like Historic Birnie Park.

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