
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $99 (Delta) |
One-way from | $65 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $177 |
Good round-trip deal | $240 or less |
Good one-way deal | $157 or less |
Fly from
Fly to
Route
Depart
Return
Price
BoiseSeattle
BOI - SEA
BOISEA
Boise Air Term. Gowen Fld
Thu 1/8
1:40 pm-2:35 pm
Nonstop1h 55m
Seattle/Tacoma Intl
Sat 1/10
7:30 pm-9:58 pm
Nonstop1h 28m
BoiseSeattle
BOI - SEA
BOISEA
Boise Air Term. Gowen Fld
Fri 1/23
5:15 pm-6:08 pm
Nonstop1h 53m
Seattle/Tacoma Intl
Sun 1/25
10:25 am-1:00 pm
Nonstop1h 35m
BoiseSeattle
BOI - SEA
BOISEA
Boise Air Term. Gowen Fld
Wed 1/7
7:25 am-8:20 am
Nonstop1h 55m
Seattle/Tacoma Intl
Wed 1/14
3:59 pm-6:28 pm
Nonstop1h 29m
BoiseSeattle
BOI - SEA
BOISEA
Boise Air Term. Gowen Fld
Sat 2/28
8:50 am-9:46 am
Nonstop1h 56m
Seattle/Tacoma Intl
Mon 3/9
10:35 am-1:06 pm
Nonstop1h 31m
BoiseSeattle
BOI - SEA
BOISEA
Boise Air Term. Gowen Fld
Fri 2/6
7:25 am-8:20 am
Nonstop1h 55m
Seattle/Tacoma Intl
Sun 2/8
10:20 am-12:55 pm
Nonstop1h 35m
BoiseSeattle
BOI - SEA
BOISEA
Boise Air Term. Gowen Fld
Mon 1/5
9:15 am-10:14 am
Nonstop1h 59m
Seattle/Tacoma Intl
Mon 1/12
1:50 pm-4:17 pm
Nonstop1h 27m
BoiseSeattle
BOI - SEA
BOISEA
Boise Air Term. Gowen Fld
Tue 1/6
5:15 pm-6:08 pm
Nonstop1h 53m
Seattle/Tacoma Intl
Tue 1/13
1:50 pm-4:17 pm
Nonstop1h 27m
BoiseSeattle
BOI - SEA
BOISEA
Boise Air Term. Gowen Fld
Tue 1/27
7:25 am-8:20 am
Nonstop1h 55m
Seattle/Tacoma Intl
Thu 1/29
3:59 pm-6:28 pm
Nonstop1h 29m
BoiseSeattle
BOI - SEA
BOISEA
Boise Air Term. Gowen Fld
Thu 1/1
9:50 pm-10:35 pm
Nonstop1h 45m
Seattle/Tacoma Intl
Sat 1/3
8:51 am-11:13 am
Nonstop1h 22m
BoiseSeattle
BOI - SEA
BOISEA
Boise Air Term. Gowen Fld
Sun 1/11
9:15 am-10:14 am
Nonstop1h 59m
Seattle/Tacoma Intl
Sat 1/17
7:30 pm-9:58 pm
Nonstop1h 28m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star |
Booking 65 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boise to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, January is the cheapest month in which you can book a flight from Boise to Seattle (average of $99). Flying from Boise to Seattle in July is currently the most expensive (average of $197). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from Boise to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 28% versus a flight in the afternoon.
Travelers seeking maximum savings on their Boise to Seattle flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
About 12% of weekly flights between Boise and Seattle have experienced delays in the past year, with the average delay time being 115 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Delta have had the lowest number of delays on this route, with just 7% of flights being delayed.
Overall
Crew
Boarding
Food
Entertainment
Comfort
Reviews
Anonymous,Dec 2025
SJC - SEA
Overall
Crew
Boarding
Food
Entertainment
Comfort
Reviews
Anonymous,Dec 2025
SJC - SEA
Overall
Crew
Boarding
Food
Entertainment
Comfort
Reviews
Anonymous,Dec 2025
SJC - SEA
Overall
Crew
Boarding
Food
Entertainment
Comfort
Reviews
Anonymous,Dec 2025
SJC - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$100 | Average$197 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$117 | Average$198 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$117 | Average$197 | FlexibilityNo cancel fee | On-time85% |