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BOI - SEA

Find cheap flights from Boise to Seattle

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0 bags
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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boise to Seattle, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boise to Seattle, as well as popular online travel agencies
In the last 7 days, travellers have searched 43,693,958 times on KAYAK, and here is why:

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Flights from Boise to Seattle - Travel Insights & Trends

Get data-powered insights and trends into flights from Boise to Seattle to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Boise to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Boise to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Boise to Seattle is September, where tickets cost C$ 216 on average. On the other hand, the most expensive months are March and May, where the average cost of tickets is C$ 298 and C$ 291 respectively.

How far in advance should I book a flight from Boise to Seattle?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Boise to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Boise to Seattle, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 87 days before departure.

How many flights are there between Boise and Seattle per day?

Each day, there are between 20 and 25 nonstop flights that take off from Boise and land in Seattle, with an average flight time of 1h 32m. The most common departure time is 8:00 a.m. and most flights take off in the morning. Each week, there are 157 flights. The most frequent day of departure is Thursday, when 16% of all weekly flights depart. The fewest flights depart on a Saturday.

Which cabin class options are there for flights between Boise and Seattle?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

What’s the earliest departure time from Boise to Seattle?

Early birds can take the earliest flight from Boise at 5:30 am and will be landing in Seattle at 6:09 am.

What’s the latest departure time from Boise to Seattle?

If you prefer to fly at night, the latest flight from Boise to Seattle jets off at 8:55 pm and lands at 9:26 pm.

Good to know

Low season

February

High season

August
Best time to beat the crowds (5% less expensive on average)
Most popular time to fly and prices are also 6% lower on average.

When to book flights from Boise to Seattle

Are your dates flexible? Find out the best times to travel from Boise to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Boise to Seattle

  • Which accessible services are offered at Boise Airport?

    The airport has provided step-free access by providing elevators and ramps around the airport. TTY telephones and visual paging monitors are also available inside the terminal to cater to all passengers with special needs. Accessible parking and public transport are also provided at BOI 24h a day, and so are the accessible restrooms on each floor of Boise Airport.

  • What are the transport options from Seattle-Tacoma International Airport?

    The first option is the bus, which you can get at the street opposite the Sea-Tac Airport LINK Light Rail station and on the lower drive of the main terminal. These buses head downtown and to the surrounding areas. The second option is the LINK Light Rail system. You’ll get these trains from the airport’s parking garage, fourth floor. Trains run every 6-15min. Taxis are also available at the airport garage third floor, and so are shared shuttles offering door-to-door services. If you want to get your own wheels, head to the rental car center, just outside baggage claim.

  • What are the most sustainable airlines flying from Boise to Seattle?

    Several nonstop flights from Boise to Seattle are offered. If you wish to travel sustainably, fly with Alaska Airlines and Delta. On average, around 990 kg of carbon is emitted per passenger on flights from Boise to Seattle. These airlines emit 91% and 81% less carbon per passenger, making them a very sustainable option. Moreover, they both offer nonstop flights from BOI to SEA.

  • Which family services are offered at Seattle-Tacoma International Airport?

    The Mother’s Room is a quiet private place where nursing mothers can feed their babies privately. These rooms have rocking chairs and adjustable lighting, allowing mothers to lull their babies to sleep. Strollers and baby seats are also available for rent at SEA. Around baggage claim, you’ll find the rental station, Smarte Carte Storage. The airport has provided a kids’ play area with toys and climbing structures between Central Terminal and Gate A for the older kids.

  • Which airlines offer Wi-Fi service onboard planes from Boise to Seattle?

    Alaska Airlines, American Airlines, and Delta offer inflight Wi-Fi service on the Boise to Seattle flight route.

  • Which aircraft models fly most regularly from Boise to Seattle?

    The Embraer 175 is the aircraft model that flies most regularly on the Boise to Seattle flight route.

  • Which airline alliances offer flights from Boise to Seattle?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between Boise and Seattle, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Boise to Seattle?

    There are direct flights from Boise to Seattle on a daily basis.

  • How does KAYAK find such low prices on flights from Boise to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boise to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boise to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Boise is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boise to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Boise with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boise to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Boise up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding a cheap flight from Boise to Seattle

  • Looking for a cheap flight? 25% of our users found flights on this route for C$ 314 or less round-trip.
  • Do you have some last-minute business that you need to handle before your flight to Seattle? Head to the business center at Boise Airport (BOI), on the second floor of the main terminal building. Fax and photocopying services and computers with internet access are available at the business center.
  • Pets are welcome at BOI. However, TSA requires all pets to remain within their crates while traveling through the airport. BOI has provided a pet relief area outside the west exit around baggage claim and an indoor relief area just after the security screening checkpoint.
  • You’re welcome to relax at the airline lounges at Seattle-Tacoma International Airport (SEA) after your flight. Alaska Airlines, Delta, and United Airlines have pay-at-the-door lounges, which you can access, and American Express card members can access the Centurion Lounge.
  • If you have some time to pass at SEA, check out the art or catch a live music performance at the airport. The Art Walk at SEA showcases most of the airport’s breathtaking collection, including sculptures, glasswork, painting, photography, and more. There are also daily live music performances at SEA under the Experience the City of Music program.
  • Shop all the essentials at SEA duty-free before leaving the airport. You’ll find two duty-free locations at SEA in the Central Terminal. These are the Gate A and Gate S locations, with the latter open 24/7.
See more tips

Prefer to fly non-stop from Boise to Seattle?

Find which airlines fly direct from Air Term. Gowen Fld to Seattle/Tacoma Intl, which days they fly and book direct flights.

Nonstop departures

Boise Air Term. Gowen Fld to Seattle/Tacoma Intl

Monday

Aeromexico, Air France, Air Tahiti Nui, +11 more

Aeromexico, Air France, +12 more

Tuesday

Aeromexico, Air France, Air Tahiti Nui, +13 more

Aeromexico, Air France, +14 more

Wednesday

Aeromexico, Air France, Air Tahiti Nui, +11 more

Aeromexico, Air France, +12 more

Thursday

Aeromexico, Air France, Air Tahiti Nui, +13 more

Aeromexico, Air France, +14 more

Friday

Aeromexico, Air France, Air Tahiti Nui, +11 more

Aeromexico, Air France, +12 more

Saturday

Aeromexico, Air France, Air Tahiti Nui, +13 more

Aeromexico, Air France, +14 more

Sunday

Aeromexico, Air France, Air Tahiti Nui, +12 more

Aeromexico, Air France, +13 more

See more nonstop flights

Nonstop returns

Seattle/Tacoma Intl to Boise Air Term. Gowen Fld

Monday

Aeromexico, Air France, Air Tahiti Nui, +11 more

Aeromexico, Air France, +12 more

Tuesday

Aeromexico, Air France, Air Tahiti Nui, +13 more

Aeromexico, Air France, +14 more

Wednesday

Aeromexico, Air France, Air Tahiti Nui, +11 more

Aeromexico, Air France, +12 more

Thursday

Aeromexico, Air France, Air Tahiti Nui, +13 more

Aeromexico, Air France, +14 more

Friday

Aeromexico, Air France, Air Tahiti Nui, +11 more

Aeromexico, Air France, +12 more

Saturday

Aeromexico, Air France, Air Tahiti Nui, +13 more

Aeromexico, Air France, +14 more

Sunday

Aeromexico, Air France, Air Tahiti Nui, +12 more

Aeromexico, Air France, +13 more

See more nonstop flights
See more nonstop flights

Book cheap flights from Boise to Seattle

One-way flight deals

directCondor
1h 36mBOI-SEA
directKLM
1h 46mBOI-SEA
directQatar Airways
1h 33mBOI-SEA
directJapan Airlines
1h 30mBOI-SEA
directIcelandair
1h 29mBOI-SEA
directAir France
1h 42mBOI-SEA
directDelta
1h 39mBOI-SEA
directAeromexico
1h 39mBOI-SEA
directAlaska Airlines
1h 33mBOI-SEA
directFinnair
1h 29mBOI-SEA
directKorean Air
1h 29mBOI-SEA
directAir Tahiti Nui
1h 33mBOI-SEA
directWestJet
1h 39mBOI-SEA
directVirgin Atlantic
1h 43mBOI-SEA
directSingapore Airlines
1h 30mBOI-SEA
directBritish Airways
1h 36mBOI-SEA

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Boise - Seattle Flights

Departure:

Boise (BOI)United States

Destination:

Seattle (SEA)United States

Cabin classes:

C$ 306

Browse origins:

  • Flights » 
  • Boise

Browse destinations:

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  • Seattle