Cheap Flights from Boise, ID to Seattle, WA from $71
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 $71, 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
Best Flights from Boise to Seattle Today
Price | Departure | Arrival | Flight Duration | Airline | Flight |
---|---|---|---|---|---|
from $71 | 19:12 Boise Boise | 19:50 Seattle Seattle-Tacoma Intl | 1h 38m | Hawaiian Airlines | HA4809 |
from $77 | 19:12 Boise Boise | 19:50 Seattle Seattle-Tacoma Intl | 1h 38m | Alaska Airlines | AS3000 |
from $82 | 06:25 Boise Boise | 07:05 Seattle Seattle-Tacoma Intl | 1h 40m | Hawaiian Airlines | HA4795 |
from $103 | 09:53 Boise Boise | 10:26 Seattle Seattle-Tacoma Intl | 1h 33m | Hawaiian Airlines | HA4797 |
from $103 | 15:10 Boise Boise | 15:43 Seattle Seattle-Tacoma Intl | 1h 33m | Hawaiian Airlines | HA4805 |
from $107 | 08:47 Boise Boise | 09:20 Seattle Seattle-Tacoma Intl | 1h 33m | Alaska Airlines | AS2206 |
from $107 | 15:10 Boise Boise | 15:43 Seattle Seattle-Tacoma Intl | 1h 33m | Alaska Airlines | AS2108 |
from $108 | 09:53 Boise Boise | 10:26 Seattle Seattle-Tacoma Intl | 1h 33m | Alaska Airlines | AS2209 |
from $108 | 16:50 Boise Boise | 17:26 Seattle Seattle-Tacoma Intl | 1h 36m | Alaska Airlines | AS3002 |
from $108 | 13:00 Boise Boise | 13:38 Seattle Seattle-Tacoma Intl | 1h 38m | Alaska Airlines | AS3448 |
from $108 | 06:25 Boise Boise | 07:05 Seattle Seattle-Tacoma Intl | 1h 40m | Alaska Airlines | AS737 |
from $115 | 12:36 Boise Boise | 00:34+1 день Seattle Seattle-Tacoma Intl | 12h 58m layover 7h 53m - Denver | Frontier Airlines | F93934 F93405 |
from $120 | 07:12 Boise Boise | 11:00 Seattle Seattle-Tacoma Intl | 4h 48m layover 2h 25m - Spokane | Hawaiian Airlines | HA4787 HA4954 |
from $152 | 19:15 Boise Boise | 00:59+1 день Seattle Seattle-Tacoma Intl | 6h 44m layover 2h 50m - San Francisco | United Airlines | UA567 UA2400 |
from $153 | 13:29 Boise Boise | 15:24 Seattle Seattle-Tacoma Intl | 2h 55m layover 0h 40m - Portland | Hawaiian Airlines | HA4791 HA6403 |
from $153 | 16:00 Boise Boise | 18:30 Seattle Seattle-Tacoma Intl | 3h 30m layover 1h 14m - Portland | Hawaiian Airlines | HA4794 HA6402 |
Flight Schedule Boise (Idaho) to Seattle (Washington)
Departure | Arrival | Flight Details | Flight Duration | Price |
---|---|---|---|---|
06:25 — 07:05
|
06:25 — 07:05
HA4795
Hawaiian Airlines
Boise — Seattle
|
1h 40m |
Find flight
from$82 |
|
06:25 — 07:05
|
06:25 — 07:05
AS737
Alaska Airlines
Boise — Seattle
|
1h 40m |
Find flight
from$108 |
|
08:47 — 09:20
|
08:47 — 09:20
AS2206
Alaska Airlines
Boise — Seattle
|
1h 33m |
Find flight
from$107 |
|
09:53 — 10:26
|
09:53 — 10:26
HA4797
Hawaiian Airlines
Boise — Seattle
|
1h 33m |
Find flight
from$103 |
|
09:53 — 10:26
|
09:53 — 10:26
AS2209
Alaska Airlines
Boise — Seattle
|
1h 33m |
Find flight
from$108 |
|
13:00 — 13:38
|
13:00 — 13:38
AS3448
Alaska Airlines
Boise — Seattle
|
1h 38m |
Find flight
from$108 |
|
15:10 — 15:43
|
15:10 — 15:43
HA4805
Hawaiian Airlines
Boise — Seattle
|
1h 33m |
Find flight
from$103 |
|
15:10 — 15:43
|
15:10 — 15:43
AS2108
Alaska Airlines
Boise — Seattle
|
1h 33m |
Find flight
from$107 |
|
16:50 — 17:26
|
16:50 — 17:26
AS3002
Alaska Airlines
Boise — Seattle
|
1h 36m |
Find flight
from$108 |
|
19:12 — 19:50
|
19:12 — 19:50
HA4809
Hawaiian Airlines
Boise — Seattle
|
1h 38m |
Find flight
from$71 |
|
19:12 — 19:50
|
19:12 — 19:50
AS3000
Alaska Airlines
Boise — Seattle
|
1h 38m |
Find flight
from$77 |
|
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$120 |
|
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$153 |
|
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$115 |
|
13:29 — 15:24
|
13:29 — 13:50
HA4791
Hawaiian Airlines
Boise — Portland
40m stop
14:30 — 15:24
HA6403
Hawaiian Airlines
Portland — Seattle
|
2h 55m including layover |
Find flight
from$153 |
|
14:44 — 18:02
|
14:44 — 14:55
AS3198
Alaska Airlines
Boise — Spokane
1h 51m stop
16:46 — 18:02
AS3294
Alaska Airlines
Spokane — Seattle
|
4h 18m including layover |
Find flight
from$163 |
|
14:44 — 18:02
|
14:44 — 14:55
HA4781
Hawaiian Airlines
Boise — Spokane
1h 51m stop
16:46 — 18:02
HA4957
Hawaiian Airlines
Spokane — Seattle
|
4h 18m including layover |
Find flight
from$219 |
|
16:00 — 18:30
|
13:26 — 13:45
HA4794
Hawaiian Airlines
Boise — Portland
1h 14m stop
17:30 — 18:32
HA6402
Hawaiian Airlines
Portland — Seattle
|
3h 30m including layover |
Find flight
from$153 |
|
12:36 — 15:52
+1 day
|
12:36 — 14:36
F93934
Frontier Airlines
Boise — Denver
20h 58m stop
11:34 — 13:09
F94721
Frontier Airlines
Denver — Salt Lake City
1h 15m stop
14:24 — 15:52
F94987
Frontier Airlines
Salt Lake City — Seattle
|
28h 16m including layover |
Find flight
from$254 |
|
18:25 — 16:25
+1 day
|
18:25 — 19:38
G43223
Allegiant Air
Boise — Santa Ana
11h 7m stop
06:45 — 08:00
NK714
Spirit Airlines
Santa Ana — Las Vegas
5h 40m stop
13:40 — 16:25
NK1681
Spirit Airlines
Las Vegas — Seattle
|
23h including layover |
Find flight
from$377 |
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 71 $), september (from 82 $), june (from 99 $).
The most expensive months are may (from 111 $), july (from 103 $), october (from 103 $).
What is the lowest airfare Boise to Seattle?
The cheapest plane ticket found by our users is $71. This airfare is for economy class on one-way HA4809 flight by Hawaiian Airlines for August 27, 2025 which leaves Boise in Boise at 19:12 am and arrives at Seattle Seattle-Tacoma Intl at 19:50.
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 $ 77 . And the most expensive tickets are offered by Frontier Airlines airline - from $ 470.
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 $71.
- AS - Alaska Airlinesfrom $77Find
- HA - Hawaiian Airlinesfrom $71Find
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 $115.
- AS - Alaska Airlinesfrom $162Find
- F9 - Frontier Airlinesfrom $115Find
- SY - Sun Country Airlinesfrom $209Find
- HA - Hawaiian Airlinesfrom $120Find
- UA - United Airlinesfrom $152Find
- G4 - Allegiant Airfrom $377Find
Airports
You can fly from Boise to Seattle from 1 airports (Boise).
Boise airports
- Boise-BOIfrom $71Find
Seattle airports
- Boeing Field International Airport-BFIFind
- Seattle-Tacoma Intl-SEAFind
- Kenmore Air Harbor SPB-LKEFind
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.
- from $77Find
- from $147Find
- from $70Find
- from $74Find
- from $62Find
- from $77Find
- from $78Find
- from $57Find
- from $68Find
- from $76Find
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.
- from $66Find
- from $62Find
- from $63Find
- from $59Find
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.
To find a plane ticket, please select dates.