Cheap Flights from Boise, ID to Seattle, WA from $51

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On Cheapflightsplus.com you will find 43 direct and 200 connecting flights from Boise to Seattle. You can compare airfare deals from 7 airlines and multiple travel sites from $51, 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: $51 (one-way), $87 (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 $51. The fastest direct flight takes 1h 25m and the fastest connecting – 2h 50m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $51 Find flight	11:19 Boise Boise	11:52 Seattle Seattle-Tacoma Intl	1h 33m	Hawaiian Airlines	HA4762
from $51 Find flight	19:17 Boise Boise	19:55 Seattle Seattle-Tacoma Intl	1h 38m	Hawaiian Airlines	HA4809
from $51 Find flight	20:21 Boise Boise	21:04 Seattle Seattle-Tacoma Intl	1h 43m	Hawaiian Airlines	HA4763
from $54 Find flight	11:19 Boise Boise	11:52 Seattle Seattle-Tacoma Intl	1h 33m	Alaska Airlines	AS2148
from $54 Find flight	20:21 Boise Boise	21:04 Seattle Seattle-Tacoma Intl	1h 43m	Alaska Airlines	AS3316
from $60 Find flight	15:59 Boise Boise	16:37 Seattle Seattle-Tacoma Intl	1h 38m	Hawaiian Airlines	HA4745
from $75 Find flight	16:35 Boise Boise	17:00 Seattle Seattle-Tacoma Intl	1h 25m	Hawaiian Airlines	HA4743
from $78 Find flight	16:35 Boise Boise	17:00 Seattle Seattle-Tacoma Intl	1h 25m	Alaska Airlines	AS2305
from $91 Find flight	08:41 Boise Boise	09:10 Seattle Seattle-Tacoma Intl	1h 29m	Hawaiian Airlines	HA4807
from $93 Find flight	08:41 Boise Boise	09:10 Seattle Seattle-Tacoma Intl	1h 29m	Alaska Airlines	AS2251
from $107 Find flight	10:05 Boise Boise	10:36 Seattle Seattle-Tacoma Intl	1h 31m	Hawaiian Airlines	HA4803
from $110 Find flight	10:05 Boise Boise	10:36 Seattle Seattle-Tacoma Intl	1h 31m	Alaska Airlines	AS2122
from $163 Find flight	14:20 Boise Boise	14:50 Seattle Seattle-Tacoma Intl	1h 30m	Hawaiian Airlines	HA4804
from $62 Find flight	13:41 Boise Boise	19:10 Seattle Seattle-Tacoma Intl	6h 29m layover 4h 0m - Spokane	Alaska Airlines	AS3250 AS964
from $63 Find flight	14:34 Boise Boise	17:53 Seattle Seattle-Tacoma Intl	4h 19m layover 1h 49m - Spokane	Hawaiian Airlines	HA4718 HA4938
from $72 Find flight	12:36 Boise Boise	00:34+1 день Seattle Seattle-Tacoma Intl	12h 58m layover 7h 53m - Denver	Frontier Airlines	F93934 F93405

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on May 23, 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$60
06:25 — 07:05	06:25 — 07:05 AS737 Alaska Airlines Boise — Seattle	1h 40m	Find flight from$78
06:37 — 07:15	06:37 — 07:15 HA4812 Hawaiian Airlines Boise — Seattle	1h 38m	Find flight from$107
07:45 — 08:15	07:45 — 08:15 HA6711 Hawaiian Airlines Boise — Seattle	1h 30m	Find flight from$75
07:45 — 08:15	07:45 — 08:15 AS2203 Alaska Airlines Boise — Seattle	1h 30m	Find flight from$78
08:00 — 08:33	08:00 — 08:33 AS2206 Alaska Airlines Boise — Seattle	1h 33m	Find flight from$78
08:41 — 09:10	08:41 — 09:10 HA4807 Hawaiian Airlines Boise — Seattle	1h 29m	Find flight from$91
08:41 — 09:10	08:41 — 09:10 AS2251 Alaska Airlines Boise — Seattle	1h 29m	Find flight from$93
09:00 — 09:38	09:00 — 09:38 HA4781 Hawaiian Airlines Boise — Seattle	1h 38m	Find flight from$75
09:00 — 09:38	09:00 — 09:38 AS3321 Alaska Airlines Boise — Seattle	1h 38m	Find flight from$80
09:53 — 10:26	09:53 — 10:26 HA4797 Hawaiian Airlines Boise — Seattle	1h 33m	Find flight from$75
09:53 — 10:26	09:53 — 10:26 AS2209 Alaska Airlines Boise — Seattle	1h 33m	Find flight from$78
10:05 — 10:36	10:05 — 10:36 HA4803 Hawaiian Airlines Boise — Seattle	1h 31m	Find flight from$107
10:05 — 10:36	10:05 — 10:36 AS2122 Alaska Airlines Boise — Seattle	1h 31m	Find flight from$110
11:19 — 11:52	11:19 — 11:52 HA4762 Hawaiian Airlines Boise — Seattle	1h 33m	Find flight from$51
11:19 — 11:52	11:19 — 11:52 AS2148 Alaska Airlines Boise — Seattle	1h 33m	Find flight from$54
11:22 — 11:57	11:22 — 11:57 HA4787 Hawaiian Airlines Boise — Seattle	1h 35m	Find flight from$75
11:22 — 11:57	11:22 — 11:57 AS2055 Alaska Airlines Boise — Seattle	1h 35m	Find flight from$78
13:00 — 13:38	13:00 — 13:38 AS3448 Alaska Airlines Boise — Seattle	1h 38m	Find flight from$78
13:02 — 13:40	13:02 — 13:40 AS3405 Alaska Airlines Boise — Seattle	1h 38m	Find flight from$94
13:42 — 14:15	13:42 — 14:15 HA4805 Hawaiian Airlines Boise — Seattle	1h 33m	Find flight from$75
13:42 — 14:15	13:42 — 14:15 AS2108 Alaska Airlines Boise — Seattle	1h 33m	Find flight from$78
14:20 — 14:50	14:20 — 14:50 HA4770 Hawaiian Airlines Boise — Seattle	1h 30m	Find flight from$75
14:20 — 14:50	14:20 — 14:50 AS2397 Alaska Airlines Boise — Seattle	1h 30m	Find flight from$78
15:59 — 16:37	15:59 — 16:37 HA4745 Hawaiian Airlines Boise — Seattle	1h 38m	Find flight from$60
15:59 — 16:37	15:59 — 16:37 AS1015 Alaska Airlines Boise — Seattle	1h 38m	Find flight from$78
16:35 — 17:00	16:35 — 17:00 HA4743 Hawaiian Airlines Boise — Seattle	1h 25m	Find flight from$75
16:35 — 17:00	16:35 — 17:00 AS2305 Alaska Airlines Boise — Seattle	1h 25m	Find flight from$78
16:50 — 17:26	16:50 — 17:26 AS3002 Alaska Airlines Boise — Seattle	1h 36m	Find flight from$78
17:39 — 18:09	17:39 — 18:09 HA4816 Hawaiian Airlines Boise — Seattle	1h 30m	Find flight from$75
17:39 — 18:09	17:39 — 18:09 AS1019 Alaska Airlines Boise — Seattle	1h 30m	Find flight from$78
19:17 — 19:55	19:17 — 19:55 HA4809 Hawaiian Airlines Boise — Seattle	1h 38m	Find flight from$51
19:17 — 19:55	19:17 — 19:55 AS3000 Alaska Airlines Boise — Seattle	1h 38m	Find flight from$56
20:21 — 21:04	20:21 — 21:04 HA4763 Hawaiian Airlines Boise — Seattle	1h 43m	Find flight from$51
20:21 — 21:04	20:21 — 21:04 AS3316 Alaska Airlines Boise — Seattle	1h 43m	Find flight from$54
20:46 — 21:21	20:46 — 21:21 AS3305 Alaska Airlines Boise — Seattle	1h 35m	Find flight from$56
20:59 — 21:30	20:59 — 21:30 HA4747 Hawaiian Airlines Boise — Seattle	1h 31m	Find flight from$75
20:59 — 21:30	20:59 — 21:30 AS2352 Alaska Airlines Boise — Seattle	1h 31m	Find flight from$78
05:00 — 09:57	05:00 — 07:05 UA5924 United Airlines Boise — Denver 55m stop 08:00 — 09:57 UA2271 United Airlines Denver — Seattle	5h 57m including layover	Find flight from$94
10:00 — 14:19	10:00 — 10:58 UA4733 United Airlines Boise — San Francisco 1h 7m stop 12:05 — 14:19 UA433 United Airlines San Francisco — Seattle	5h 19m including layover	Find flight from$94
10:00 — 16:09	10:00 — 10:58 UA4733 United Airlines Boise — San Francisco 2h 57m stop 13:55 — 16:09 UA1008 United Airlines San Francisco — Seattle	7h 9m including layover	Find flight from$94
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$72
12:36 — 18:10	12:36 — 14:35 F93934 Frontier Airlines Boise — Denver 1h 28m stop 16:08 — 18:15 F91175 Frontier Airlines Denver — Seattle	6h 34m including layover	Find flight from$81
13:41 — 19:10	13:41 — 13:54 AS3250 Alaska Airlines Boise — Spokane 4h stop 17:54 — 19:10 AS964 Alaska Airlines Spokane — Seattle	6h 29m including layover	Find flight from$62
14:34 — 17:53	14:34 — 14:46 HA4718 Hawaiian Airlines Boise — Spokane 1h 49m stop 16:35 — 17:53 HA4938 Hawaiian Airlines Spokane — Seattle	4h 19m including layover	Find flight from$63

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

*Departure and arrival times - local. Updated on May 23, 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 05:00 to 21:49 from 1 Boise airport and arrive 05:00 to 21:49 to 3 Seattle airports. Average flight time is 1h 33m.

The fastest flight 1h 25m
Average flight time 1h 33m
The earliest flight 05:00
The latest flight 21:49
Distance 398 ml

The cheapest months to travel to Seattle are october (from 69 $), august (from 69 $), september (from 80 $).

The most expensive months are november (from 156 $), february (from 143 $), may (from 108 $).

What is the lowest airfare Boise to Seattle?

The cheapest plane ticket found by our users is $51. This airfare is for economy class on one-way HA4763 flight by Hawaiian Airlines for October 7, 2025 which leaves Boise in Boise at 20:21 am and arrives at Seattle Seattle-Tacoma Intl at 21:04.

Economy class

$51

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First class

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Popular Airlines on the Route

The flight Boise — Seattle is served by 7 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 103 departures per week at the price of from $ 54 . And the most expensive tickets are offered by Hawaiian Airlines airline - from $ 464.

Direct flights

There are 43 nonstop flights on the route. The fastest direct flight is HA4743 by Hawaiian Airlines takes 1h 25m and the cheapest is HA4763 by Hawaiian Airlines for $51.

AS - Alaska Airlines

from $54

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HA - Hawaiian Airlines

from $51

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Connecting Flights

There are 200 flights with layovers on the route. The fastest connecting flight is HA4790 by Hawaiian Airlines takes 2h 50m and the cheapest is HA4763 by Hawaiian Airlines for $62.

AS - Alaska Airlines

from $62

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F9 - Frontier Airlines

from $72

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SY - Sun Country Airlines

from $153

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HA - Hawaiian Airlines

from $63

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UA - United Airlines

from $94

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NK - Spirit Airlines

from $93

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G4 - Allegiant Air

from $123

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Airports

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

Boise airports

Boise-BOI

from $51
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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 7 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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