$76 Find Cheap Flights from Seattle to Boise - Compare and Save

A private space with power outlets, rocking chairs, and receptacles is available in the Mother's Room. The USO Mother's Room is also available to military families inside the Kid's Play Area. There are also nursing suites available in the Main Terminal on the Mezzanine Level, near Gate A9, C10, N2, D10, and D23.

Travelers from Seattle can drive through I-5 and take exit 154 B, then head west on State Road 518 until you reach the Seattle Tacoma International Airport exit. Alternatively, you can take State Highway 99 south and keep to the right on Route 509 south until you reach the exit. Finally, follow the Seattle Tacoma Airport exit by turning left onto 518.

Passengers have the option to board a train for the next part of their journey once they arrive at Boise Airport. Travelers can take a taxi or shuttle from the airport to the Amtrak train station in Downtown Boise, where they can connect by train to several locations in the area. There are also Greyhound and ValleyRide buses from the airport to destinations around Idaho.

Inn America Boise is about 0.8 miles from the airport, the Western Vista Inn is 0.6 miles from the airport, and Airport Inn is 1km from the airport. Hotels offer courtesy shuttles that pick up passengers opposite the baggage claim area. Additionally, the Boise Shuttle Service provides transportation to hotels in the surrounding area from the green curb outside the terminal.

Among airlines operating Seattle to Boise flights:

• Alaska Airlines: offers extra legroom; offers free seat selection
• Delta: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between Seattle and Boise. The airlines offering nonstop flights on this route include:

• Alaska Airlines
• Delta

Flights from Seattle to Boise usually depart from Seattle/Tacoma Intl (SEA) and arrive at Boise Air Term. Gowen Fld (BOI).

Here are some options for this route, based on selected ticket types and cabin classes:

• Alaska Airlines: a cabin bag and a checked bag in Economy Class
• Delta: a cabin bag and a checked bag in Economy Class
• Hawaiian Airlines: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Three cabin classes are available on flights from Seattle to Boise:

• Economy Class
• Business Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $167 round-trip via Oakland (OAK), compared to $227 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737-800 Passenger/BBJ2 (winglets) family is used most often on this route, operated mainly by Alaska Airlines. Other aircraft seen on the route include Embraer 175 (Enhanced Winglets) variants.

Connecting flights from Seattle to Boise most commonly pass through:

• Sacramento Intl (SMF) - 75% of one-stop connections
• Oakland (OAK) - 25% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.

On the Seattle to Boise route, being flexible with your departure day can save you up to 41%. Saturday is the cheapest day at $196 round-trip on average, while Sunday is the most expensive at $327: a $131 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Morning is the busiest departure period on Seattle to Boise flights, with 36% of flights leaving in that window. Afternoon departures account for 36%, evening flights for 21%, and night flights for 7%.

Some of the most popular sights in Boise are Boise Center, Idaho Central Arena and Boise River Greenbelt. These are among the most viewed places in Boise on KAYAK.

These are the earliest and latest flight times available from Seattle to Boise:

• Earliest: departs at 6:30 am and lands at 8:02 am
• Latest: departs at 11:01 pm and lands at 12:33 am.

The flight takes about 1h 32m.

Last-minute fares on this route - booked within 2 weeks of departure - run 121% above the route average of $228. Book 18 weeks before departure for the lowest fares.

A nonstop flight from Seattle to Boise takes 1h 32m, covering 398 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $162 to $830. That means the highest observed fare was about 5x higher than the lowest one.

One-way fares from Seattle to Boise are currently lower than usual. Average one-way flight prices are about $83, which is 59% below the typical average for this route.

Flying via Oakland (OAK) gives the shortest average 1-stop total travel time at 4h 57m, compared with 6h 50m via Sacramento Intl (SMF).

Boise is 1 hour ahead of Seattle (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Boise Air Term. Gowen Fld Airport (BOI) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
• Budget
• Alamo
• Hertz
• Enterprise Rent-A-Car
• Avis

Round-trip flights from Seattle to Boise range from $156 to $343, with an average of $228 over the past 12 months. Anything below $156 counts as a good deal.

Two airlines offer in-flight Wi-Fi on Seattle to Boise flights:

• • Alaska Airlines
• • Delta