Cheap Flights from Boise, ID to Seattle, WA from $77

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On Cheapflightsplus.com you will find 11 direct and 29 connecting flights from Boise to Seattle. You can compare airfare deals from 6 airlines and multiple travel sites from $77, book and save on cheap plane tickets and last minute offers. Also check out BOI-SEA flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Boise to Seattle Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $77 (one-way), $132 (round-trip).

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Best Flights from Boise to Seattle Today

Take a look at the list of non stop flights and flights with layovers from Boise to Seattle with the lowest price of $77. The fastest direct flight takes 1h 33m and the fastest connecting – 2h 55m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $77 Find flight	19:12 Boise Boise	19:50 Seattle Seattle-Tacoma Intl	1h 38m	Hawaiian Airlines	HA4809
from $81 Find flight	19:12 Boise Boise	19:50 Seattle Seattle-Tacoma Intl	1h 38m	Alaska Airlines	AS3000
from $97 Find flight	09:53 Boise Boise	10:26 Seattle Seattle-Tacoma Intl	1h 33m	Hawaiian Airlines	HA4797
from $93 Find flight	12:36 Boise Boise	00:34+1 день Seattle Seattle-Tacoma Intl	12h 58m layover 7h 53m - Denver	Frontier Airlines	F93934 F93405
from $113 Find flight	07:12 Boise Boise	11:00 Seattle Seattle-Tacoma Intl	4h 48m layover 2h 25m - Spokane	Hawaiian Airlines	HA4787 HA4954

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 16, 2025

Flight Schedule Boise (Idaho) to Seattle (Washington)

Full flight schedule will help you in detecting at what time planes fly from Boise to Seattle. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.

Departure	Flight Details	Flight Duration	Price
06:25 — 07:05	06:25 — 07:05 HA4795 Hawaiian Airlines Boise — Seattle	1h 40m	Find flight from$77
06:25 — 07:05	06:25 — 07:05 AS737 Alaska Airlines Boise — Seattle	1h 40m	Find flight from$101
07:12 — 11:00	07:12 — 07:20 HA4787 Hawaiian Airlines Boise — Spokane 2h 25m stop 09:45 — 11:00 HA4954 Hawaiian Airlines Spokane — Seattle	4h 48m including layover	Find flight from$113
07:12 — 09:10	07:12 — 07:20 HA4787 Hawaiian Airlines Boise — Spokane 40m stop 08:00 — 09:10 HA4955 Hawaiian Airlines Spokane — Seattle	2h 58m including layover	Find flight from$144
08:47 — 09:20	08:47 — 09:20 AS2206 Alaska Airlines Boise — Seattle	1h 33m	Find flight from$101
09:53 — 10:26	09:53 — 10:26 HA4797 Hawaiian Airlines Boise — Seattle	1h 33m	Find flight from$97
09:53 — 10:26	09:53 — 10:26 AS2209 Alaska Airlines Boise — Seattle	1h 33m	Find flight from$101
12:36 — 00:34 +1 day	12:36 — 14:35 F93934 Frontier Airlines Boise — Denver 7h 53m stop 22:29 — 00:37 F93405 Frontier Airlines Denver — Seattle	12h 58m including layover	Find flight from$93
13:00 — 13:38	13:00 — 13:38 AS3448 Alaska Airlines Boise — Seattle	1h 38m	Find flight from$101
15:10 — 15:43	15:10 — 15:43 HA4805 Hawaiian Airlines Boise — Seattle	1h 33m	Find flight from$97
15:10 — 15:43	15:10 — 15:43 AS2108 Alaska Airlines Boise — Seattle	1h 33m	Find flight from$101
16:50 — 17:26	16:50 — 17:26 AS3002 Alaska Airlines Boise — Seattle	1h 36m	Find flight from$101
19:12 — 19:50	19:12 — 19:50 HA4809 Hawaiian Airlines Boise — Seattle	1h 38m	Find flight from$77
19:12 — 19:50	19:12 — 19:50 AS3000 Alaska Airlines Boise — Seattle	1h 38m	Find flight from$81
19:15 — 00:59 +1 day	19:15 — 20:05 UA567 United Airlines Boise — San Francisco 2h 50m stop 22:55 — 00:59 UA2400 United Airlines San Francisco — Seattle	6h 44m including layover	Find flight from$143

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on September 16, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Boise to Seattle depends on and how to choose the most interesting flight option for you.

Distance between Boise and Seattle is 640 miles. Time difference between the cities is 1h. Airplanes depart 06:00 to 19:38 from 1 Boise airport and arrive 06:00 to 19:38 to 3 Seattle airports. Average flight time is 1h 36m.

The fastest flight 1h 33m
Average flight time 1h 36m
The earliest flight 06:00
The latest flight 19:38
Distance 398 ml

The cheapest months to travel to Seattle are august (from 67 $), september (from 77 $), june (from 93 $).

The most expensive months are may (from 105 $), july (from 97 $), october (from 97 $).

What is the lowest airfare Boise to Seattle?

The cheapest plane ticket found by our users is $77. This airfare is for economy class on one-way HA4809 flight by Hawaiian Airlines for September 27, 2025 which leaves Boise in Boise at 19:12 am and arrives at Seattle Seattle-Tacoma Intl at 19:50.

Economy class

$77

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First class

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Popular Airlines on the Route

The flight Boise — Seattle is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 14 departures per week at the price of from $ 81 . And the most expensive tickets are offered by Frontier Airlines airline - from $ 442.

Direct flights

There are 11 nonstop flights on the route. The fastest direct flight is HA4797 by Hawaiian Airlines takes 1h 33m and the cheapest is HA4809 by Hawaiian Airlines for $77.

AS - Alaska Airlines

from $81

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HA - Hawaiian Airlines

from $77

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Connecting Flights

There are 29 flights with layovers on the route. The fastest connecting flight is HA4791 by Hawaiian Airlines takes 2h 55m and the cheapest is HA4809 by Hawaiian Airlines for $93.

AS - Alaska Airlines

from $152

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F9 - Frontier Airlines

from $93

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SY - Sun Country Airlines

from $197

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HA - Hawaiian Airlines

from $113

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UA - United Airlines

from $143

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G4 - Allegiant Air

from $355

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Airports

You can fly from Boise to Seattle from 1 airports (Boise).

Boise airports

Boise-BOI

from $77
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Seattle airports

Boeing Field International Airport-BFI

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Seattle-Tacoma Intl-SEA

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Kenmore Air Harbor SPB-LKE

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Airplanes

There are flights to Seattle from Boise by 6 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Boise

You may also consider searching for discounted plane tickets to some other popular places from Boise within United States.

Boise — Las Vegas

from $77

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Boise — Seattle

from $147

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Boise — Phoenix

from $70

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Boise — Denver

from $74

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Boise — San Diego

from $62

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Boise — Spokane

from $77

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Boise — Salt Lake City

from $78

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Boise — Sacramento

from $57

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Boise — Orlando

from $68

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Boise — Dallas

from $76

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Top International Destinations from Boise

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Boise — San Jose

from $66

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Boise — Cancun

from $62

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Boise — London

from $63

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Boise — Puerto Vallarta

from $59

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How to book a plane ticket yourself?

Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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