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Type in your origin and destination city and we will give you the best flight route options based on flight time and connection time along with airline and airports delays.

Flight routes from Boise to Seattle

BOI to SEA flights and routes map BOI to SEA. All flight route options from Boise Air Terminal, Idaho, USA to Seattle Tacoma International, Washington, USA. These routes are operated by 3 different airlines. You can either fly non-stop with Alaska Airlines or Delta Air Lines, or choose from 3 different transit flights. The shortest flight time is 1 hour and 35 minutes.

From
To
USA BOI Boise Air Terminal Boise, ID, USA
USA SEA Seattle Tacoma , WA, USA
BOI
Boise Air Terminal
USABoise, ID, USA
Seattle Tacoma
USASeattle, WA, USA
SEA
2 direct routes found »
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6 routes with 1 stop found »
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Non-stop routes:

Duration

Alaska Airlines
Non-stop with Alaska Airlines. 7-8 flights per day.

SCHEDULE
1h 35m

Alaska Airlines
Non-stop with Alaska Airlines.
1h 35m
7-8 flights per day.
SCHEDULE
Delta Air Lines
Non-stop with Delta Air Lines. 6-7 flights per day.

SCHEDULE
1h 39m

Delta Air Lines
Non-stop with Delta Air Lines.
1h 39m
6-7 flights per day.
SCHEDULE
Usually in time
Some delays
Usually delayed
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1 stop routes with the same airline:

Duration

Via Pullman PUW
1 stop with Alaska Airlines. 0-1 flights per day.
Only sundays

SCHEDULE
3h 49m

Only sundays
Via Pullman PUW
1 stop with Alaska Airlines.
3h 49m
0-1 flights per day.
Only sundays
SCHEDULE
Via Spokane GEG
1 stop with Alaska Airlines. 3 flights per day.

SCHEDULE
3h 54m

Via Spokane GEG
1 stop with Alaska Airlines.
3h 54m
3 flights per day.
SCHEDULE
Via Portland PDX
1 stop with Alaska Airlines. 3-6 flights per day.

SCHEDULE
4h 02m

Via Portland PDX
1 stop with Alaska Airlines.
4h 02m
3-6 flights per day.
SCHEDULE
Usually in time
Some delays
Usually delayed
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1 stop routes with codeshare or different airlines:

Duration

Via Pullman PUW With Alaska Airlines & Hawaiian Airlines 0-1 flights per day.
Only sundays
CODESHARE

SCHEDULE
3h 49m

Only sundays
Via Pullman PUW
3h 49m
With Alaska Airlines & Hawaiian Airlines 0-1 flights per day.
Only sundays
CODESHARE
SCHEDULE
Via Spokane GEG With Alaska Airlines & Delta Air Lines 2-3 flights per day.

SCHEDULE
3h 49m

Via Spokane GEG
3h 49m
With Alaska Airlines & Delta Air Lines 2-3 flights per day.
SCHEDULE
Via Portland PDX With Alaska Airlines & Hawaiian Airlines 3-5 flights per day.
CODESHARE

SCHEDULE
4h 14m

Via Portland PDX
4h 14m
With Alaska Airlines & Hawaiian Airlines 3-5 flights per day.
CODESHARE
SCHEDULE
Usually in time
Some delays
Usually delayed
SELECT DATE & CHECK PRICE
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Boise to Seattle flights

With over 334 flights every week and 5 different airlines you have a wide option of flights to choose from. You can fly non-stop to Seattle (SEA) from Boise (BOI) with Alaska Airlines or Delta Air Lines but if a stopover option suits you better you can choose to fly via Spokane, Portland or any other of the 3 alternatives with flight connections.

Boise to Seattle with Alaska Airlines

You can fly non-stop every weekday with flights departing from 5 am to 20 pm. You can also catch a transit flight via Spokane or Portland. Alaska Airlines is a member of the air alliance OneWorld.

Distance & flight times: (BOI) to (SEA)

The shortest flight time between BOI and SEA is 1 hour and 39 minutes.

ViaTotal flight timeLayover timeMiles
Direct1h 39m-400 (644 km)
GEG Spokane3h 57m1h 28m512 (824 km)
PDX Portland4h 10m1h 28m475 (764 km)
PUW Pullman5h 5m2h 58m476 (766 km)
The flight times and layover times in the table above are approximate and vary depending on flight number, aircraft, airline, weather and time of day.BOI-SEA flight routesBoise to Seattle flight routes illustrated on a map.
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Boise - Seattle route map and flight paths
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Unpublished Flight Rates From Boise to Seattle

You can fly to Seattle (SEA) from Boise (BOI) non-stop with Alaska Airlines or Delta Air Lines. The flight takes approximately 1 hour and 39 minutes. If you travel with a connecting flight instead, for example via Spokane, the total flight time will be 3 hours and 57 minutes.

If you are interested in direct flights, you can choose from Alaska Airlines or Delta Air Lines. If you choose to fly with stops instead you can fly with Alaska Airlines.

The flight time between Boise Air Terminal, BOI and Seattle Tacoma International, SEA, is 1 hour and 39 minutes. The distance is 476 miles (or 766 kilometers).

Yes, you can fly non-stop to SEA from BOI with Alaska Airlines or Delta Air Lines.

A codeshare agreement means that cooperating airlines are able to sell seats on each other’s flights. This means that you are able to travel to more destinations than your airline of choice normally offers. Codeshare flights are also beneficial because of the seamless transits you can get with connecting flights from the same airline. The downside of choosing a codeshare flight can be that you in some cases can’t upgrade codeshare flights or use elite benefits.

A connecting or transit flight means that you reach your final destination through two or more flights – in other words a non-direct flight. You will change to a new aircraft after your first flight, this may include moving to another terminal at the airport aswell. The time required to transfer passengers and luggage between flights is called Minimum Connecting Time (MCT) and are always taken into account here on Flightroutes.com.

If you bought your whole flight on a single ticket, the airline will book you on the next available connecting flight.

With connecting flights, checked in luggage is most commonly forwarded to your final destination when buying a single ticket for both flights.

If you miss your connecting flight due to circumstances outside your control such as your first flight being delayed, you should turn to your airline who will provide you with a seat on the next available flight. This is usually done free of charge, and only applies if you purchased your trip as one ticket. If the next connecting flight is the following day, the airline usually provides accommodation and meals.
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