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Flights from Boise to Seattle – Direct & connecting routes

Non-stop airlines Connecting flights Show map Price search

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 airlines. Fly non-stop with Alaska Airlines or Delta Air Lines, or choose from 3 different stopover flights. The shortest flight time is 1 hour and 37 minutes. See the full flight schedule and time table, including departure times, airlines and stopover details to find the best option for you.

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 route options:

Duration

Alaska Airlines
Non-stop with Alaska Airlines. 10 flights per day.

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1h 37m

Alaska Airlines
Non-stop with Alaska Airlines.
1h 37m
10 flights per day.
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Delta Air Lines
Non-stop with Delta Air Lines. 6-7 flights per day.

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1h 45m

Delta Air Lines
Non-stop with Delta Air Lines.
1h 45m
6-7 flights per day.
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1 stop route options with the same airline:

Duration

Via Portland PDX
1 stop with Alaska Airlines. 4-5 flights per day.

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3h 27m

Via Portland PDX
1 stop with Alaska Airlines.
3h 27m
4-5 flights per day.
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Via Pullman PUW
1 stop with Alaska Airlines. 0-1 flights per day.
Begins in 5/10

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4h 10m

Begins in 5/10
Via Pullman PUW
1 stop with Alaska Airlines.
4h 10m
0-1 flights per day.
Begins in 5/10
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Via Spokane GEG
1 stop with Alaska Airlines. 3 flights per day.

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4h 16m

Via Spokane GEG
1 stop with Alaska Airlines.
4h 16m
3 flights per day.
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1 stop route options with codeshare or different airlines:

Duration

Via Portland PDX With Alaska Airlines & Hawaiian Airlines 4-5 flights per day.
CODESHARE

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3h 30m

Via Portland PDX
3h 30m
With Alaska Airlines & Hawaiian Airlines 4-5 flights per day.
CODESHARE
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Via Spokane GEG With Alaska Airlines & Delta Air Lines 2-3 flights per day.

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3h 33m

Via Spokane GEG
3h 33m
With Alaska Airlines & Delta Air Lines 2-3 flights per day.
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Via Pullman PUW With Alaska Airlines & Hawaiian Airlines 0-1 flights per day.
Begins in 5/10
CODESHARE

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4h 10m

Begins in 5/10
Via Pullman PUW
4h 10m
With Alaska Airlines & Hawaiian Airlines 0-1 flights per day.
Begins in 5/10
CODESHARE
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Boise to Seattle flights

With over 439 flights every week and 5 different airlines you have a wide range of options. 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 Portland, Pullman or any other of the 3 alternatives with connectiing airports.

Boise to Seattle with Alaska Airlines

You can fly non-stop every weekday with flights departing from 5:00 am to 8:00 pm. You can also catch a transit flight via Portland or Pullman. Alaska Airlines is a member of the air alliance OneWorld.

Distance & flight times: Boise Air Terminal to Seattle Airport

The shortest flight time between BOI and SEA is 1 hour and 36 minutes.

ViaTotal flight timeLayover timeDistance
Direct1h 36m-400 miles (644 km)
PDX Portland3h 27m40m475 miles (764 km)
PUW Pullman4h 10m2h 31m476 miles (766 km)
GEG Spokane4h 16m2h 25m512 miles (824 km)
The flight times and layover times in the table above are approximate and may 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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Show all destinations from BOI Show all destinations from SEA

You can fly non-stop from Boise (BOI) to Seattle (SEA) with Alaska Airlines or Delta Air Lines. The flight takes approximately 1 hour and 36 minutes. If you travel with a connecting flight instead, for example via Portland, the total flight time will be 3 hours and 27 minutes.

If you're interested in direct flights, Alaska Airlines or Delta Air Lines is available. For flights with stopovers, Alaska Airlines is also an option.

The flight time between Boise Air Terminal (BOI) and Seattle Tacoma International (SEA) is approximately 1 hour and 36 minutes. The distance between the two airports is 475 miles (or 764 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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