Cheap Flights from Boise, ID to Seattle, WA from $52
On Cheapflightsplus.com you will find 23 direct and 143 connecting flights from Boise to Seattle. You can compare airfare deals from 7 airlines and multiple travel sites from $52, 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 $52 | 11:19 Boise Boise | 11:52 Seattle Seattle-Tacoma Intl | 1h 33m | Hawaiian Airlines | HA4762 |
from $52 | 20:21 Boise Boise | 21:04 Seattle Seattle-Tacoma Intl | 1h 43m | Hawaiian Airlines | HA4763 |
from $53 | 19:17 Boise Boise | 19:55 Seattle Seattle-Tacoma Intl | 1h 38m | Hawaiian Airlines | HA4809 |
from $55 | 11:19 Boise Boise | 11:52 Seattle Seattle-Tacoma Intl | 1h 33m | Alaska Airlines | AS2148 |
from $55 | 20:21 Boise Boise | 21:04 Seattle Seattle-Tacoma Intl | 1h 43m | Alaska Airlines | AS3316 |
from $57 | 20:46 Boise Boise | 21:21 Seattle Seattle-Tacoma Intl | 1h 35m | Alaska Airlines | AS3305 |
from $57 | 19:17 Boise Boise | 19:55 Seattle Seattle-Tacoma Intl | 1h 38m | Alaska Airlines | AS3000 |
from $60 | 15:59 Boise Boise | 16:37 Seattle Seattle-Tacoma Intl | 1h 38m | Hawaiian Airlines | HA4745 |
from $60 | 06:25 Boise Boise | 07:05 Seattle Seattle-Tacoma Intl | 1h 40m | Hawaiian Airlines | HA4795 |
from $77 | 09:53 Boise Boise | 10:26 Seattle Seattle-Tacoma Intl | 1h 33m | Hawaiian Airlines | HA4797 |
from $77 | 13:42 Boise Boise | 14:15 Seattle Seattle-Tacoma Intl | 1h 33m | Hawaiian Airlines | HA4805 |
from $77 | 11:22 Boise Boise | 11:57 Seattle Seattle-Tacoma Intl | 1h 35m | Hawaiian Airlines | HA4787 |
from $79 | 08:00 Boise Boise | 08:33 Seattle Seattle-Tacoma Intl | 1h 33m | Alaska Airlines | AS2206 |
from $63 | 13:41 Boise Boise | 19:10 Seattle Seattle-Tacoma Intl | 6h 29m layover 4h 0m - Spokane | Alaska Airlines | AS3250 AS964 |
from $65 | 14:34 Boise Boise | 17:53 Seattle Seattle-Tacoma Intl | 4h 19m layover 1h 49m - Spokane | Hawaiian Airlines | HA4718 HA4938 |
from $81 | 07:15 Boise Boise | 10:39 Seattle Seattle-Tacoma Intl | 4h 24m layover 2h 1m - Spokane | Hawaiian Airlines | HA4790 HA4954 |
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$60 |
|
06:25 — 07:05
|
06:25 — 07:05
AS737
Alaska Airlines
Boise — Seattle
|
1h 40m |
Find flight
from$80 |
|
06:37 — 07:15
|
06:37 — 07:15
AS929
Alaska Airlines
Boise — Seattle
|
1h 38m |
Find flight
from$80 |
|
08:00 — 08:33
|
08:00 — 08:33
AS2206
Alaska Airlines
Boise — Seattle
|
1h 33m |
Find flight
from$79 |
|
09:00 — 09:38
|
09:00 — 09:38
HA4781
Hawaiian Airlines
Boise — Seattle
|
1h 38m |
Find flight
from$77 |
|
09:00 — 09:38
|
09:00 — 09:38
AS3321
Alaska Airlines
Boise — Seattle
|
1h 38m |
Find flight
from$81 |
|
09:53 — 10:26
|
09:53 — 10:26
HA4797
Hawaiian Airlines
Boise — Seattle
|
1h 33m |
Find flight
from$77 |
|
09:53 — 10:26
|
09:53 — 10:26
AS2209
Alaska Airlines
Boise — Seattle
|
1h 33m |
Find flight
from$80 |
|
11:19 — 11:52
|
11:19 — 11:52
HA4762
Hawaiian Airlines
Boise — Seattle
|
1h 33m |
Find flight
from$52 |
|
11:19 — 11:52
|
11:19 — 11:52
AS2148
Alaska Airlines
Boise — Seattle
|
1h 33m |
Find flight
from$55 |
|
11:22 — 11:57
|
11:22 — 11:57
HA4787
Hawaiian Airlines
Boise — Seattle
|
1h 35m |
Find flight
from$77 |
|
11:22 — 11:57
|
11:22 — 11:57
AS2055
Alaska Airlines
Boise — Seattle
|
1h 35m |
Find flight
from$80 |
|
13:00 — 13:38
|
13:00 — 13:38
AS3448
Alaska Airlines
Boise — Seattle
|
1h 38m |
Find flight
from$80 |
|
13:42 — 14:15
|
13:42 — 14:15
HA4805
Hawaiian Airlines
Boise — Seattle
|
1h 33m |
Find flight
from$77 |
|
13:42 — 14:15
|
13:42 — 14:15
AS2108
Alaska Airlines
Boise — Seattle
|
1h 33m |
Find flight
from$79 |
|
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$80 |
|
16:50 — 17:26
|
16:50 — 17:26
AS3002
Alaska Airlines
Boise — Seattle
|
1h 36m |
Find flight
from$80 |
|
19:17 — 19:55
|
19:17 — 19:55
HA4809
Hawaiian Airlines
Boise — Seattle
|
1h 38m |
Find flight
from$53 |
|
19:17 — 19:55
|
19:17 — 19:55
AS3000
Alaska Airlines
Boise — Seattle
|
1h 38m |
Find flight
from$57 |
|
20:21 — 21:04
|
20:21 — 21:04
HA4763
Hawaiian Airlines
Boise — Seattle
|
1h 43m |
Find flight
from$52 |
|
20:21 — 21:04
|
20:21 — 21:04
AS3316
Alaska Airlines
Boise — Seattle
|
1h 43m |
Find flight
from$55 |
|
20:46 — 21:21
|
20:46 — 21:21
AS3305
Alaska Airlines
Boise — Seattle
|
1h 35m |
Find flight
from$57 |
|
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$96 |
|
07:15 — 10:39
|
07:15 — 07:24
HA4790
Hawaiian Airlines
Boise — Spokane
2h 1m stop
09:25 — 10:39
HA4954
Hawaiian Airlines
Spokane — Seattle
|
4h 24m including layover |
Find flight
from$81 |
|
07:15 — 10:39
|
07:15 — 07:24
AS2373
Alaska Airlines
Boise — Spokane
2h 1m stop
09:25 — 10:39
AS215
Alaska Airlines
Spokane — Seattle
|
4h 24m including layover |
Find flight
from$89 |
|
08:18 — 14:39
|
08:05 — 09:32
HA4793
Hawaiian Airlines
Boise — Los Angeles
2h 10m stop
11:55 — 14:50
HA6204
Hawaiian Airlines
Los Angeles — Seattle
|
7h 21m including layover |
Find flight
from$99 |
|
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$96 |
|
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$96 |
|
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$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$63 |
|
14:13 — 21:38
|
14:13 — 15:35
UA4633
United Airlines
Boise — Los Angeles
3h 10m stop
19:22 — 22:15
UA684
United Airlines
Los Angeles — Seattle
|
8h 25m including layover |
Find flight
from$96 |
|
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$65 |
|
17:39 — 23:28
|
17:39 — 19:40
UA4637
United Airlines
Boise — Denver
1h 50m stop
21:30 — 23:28
UA2651
United Airlines
Denver — Seattle
|
6h 49m including layover |
Find flight
from$96 |
|
18:00 — 22:00
|
18:00 — 18:53
HA4747
Hawaiian Airlines
Boise — San Francisco
56m stop
19:49 — 22:00
HA7031
Hawaiian Airlines
San Francisco — Seattle
|
5h including layover |
Find flight
from$98 |
|
18:00 — 23:02
|
18:00 — 18:53
HA4747
Hawaiian Airlines
Boise — San Francisco
1h 56m stop
20:49 — 23:02
HA7022
Hawaiian Airlines
San Francisco — Seattle
|
6h 2m including layover |
Find flight
from$98 |
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 38m.
- The fastest flight 1h 33m
- Average flight time 1h 38m
- The earliest flight 05:00
- The latest flight 21:49
- Distance 398 ml
The cheapest months to travel to Seattle are october (from 70 $), august (from 71 $), september (from 81 $).
The most expensive months are november (from 159 $), february (from 146 $), may (from 111 $).
What is the lowest airfare Boise to Seattle?
The cheapest plane ticket found by our users is $52. 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.
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 - 70 departures per week at the price of from $ 55 . And the most expensive tickets are offered by United Airlines airline - from $ 462.
Direct flights
There are 23 nonstop flights on the route. The fastest direct flight is HA4762 by Hawaiian Airlines takes 1h 33m and the cheapest is HA4763 by Hawaiian Airlines for $52.
- AS - Alaska Airlinesfrom $55Find
- HA - Hawaiian Airlinesfrom $52Find
Connecting Flights
There are 143 flights with layovers on the route. The fastest connecting flight is HA4791 by Hawaiian Airlines takes 2h 55m and the cheapest is HA4763 by Hawaiian Airlines for $63.
- AS - Alaska Airlinesfrom $63Find
- F9 - Frontier Airlinesfrom $81Find
- SY - Sun Country Airlinesfrom $156Find
- HA - Hawaiian Airlinesfrom $65Find
- UA - United Airlinesfrom $96Find
- NK - Spirit Airlinesfrom $95Find
- G4 - Allegiant Airfrom $126Find
Airports
You can fly from Boise to Seattle from 1 airports (Boise).
Boise airports
- Boise-BOIfrom $52Find
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 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.
- 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.