Nonstop flights from Boise to Seattle

2 airlines fly this route, with up to 15 flights a day.

BOIBoise

398 mi · 100 flights a week

SEASeattle-Tacoma International

BOISEA

When they leave

Boise time

6:23a8:47pFirst departure 6:23 AM, last 8:47 PM

Eight in the morning, 6:23 AM to 11:42 AM, then seven in the afternoon, 12:23 PM to 4:35 PM, then four in the evening, 5:59 PM to 8:47 PM.

Every flight

Earliest first

6:23 AM→7:00 AMAlaska AirlinesBoeing 737Mon, Tue, Thu, Fri, Sat, Sun
6:23 AM→7:02 AMAlaska AirlinesBoeing 737Wed
6:49 AM→7:35 AMDelta Air LinesEmbraer 175Daily
8:03 AM→8:42 AMAlaska AirlinesBoeing 737 MAX 9Wed
8:15 AM→8:50 AMAlaska AirlinesEmbraer 175Mon, Thu, Fri, Sat, Sun
8:15 AM→8:50 AMAlaska AirlinesEmbraer 175Tue
8:59 AM→9:49 AMDelta Air LinesEmbraer 175Daily
10:00 AM→10:34 AMAlaska AirlinesEmbraer 175Mon, Thu, Fri, Sat, Sun
10:00 AM→10:34 AMAlaska AirlinesEmbraer 175Tue
10:00 AM→10:37 AMAlaska AirlinesEmbraer 175Wed
10:35 AM→11:28 AMDelta Air LinesEmbraer 175Daily
11:42 AM→12:16 PMAlaska AirlinesEmbraer 175Mon, Tue, Thu, Fri, Sat, Sun
12:23 PM→1:12 PMDelta Air LinesEmbraer 175Daily
1:06 PM→1:40 PMAlaska AirlinesEmbraer 175Mon, Tue, Thu, Fri, Sun
1:15 PM→1:49 PMAlaska AirlinesEmbraer 175Wed
2:17 PM→2:53 PMAlaska AirlinesBoeing 737Wed
3:29 PM→4:10 PMDelta Air LinesEmbraer 175Daily
4:20 PM→4:56 PMAlaska AirlinesBoeing 737 MAX 8Wed
4:35 PM→5:15 PMAlaska AirlinesBoeing 737 MAX 8Mon, Tue, Thu, Fri, Sat, Sun
5:59 PM→6:37 PMDelta Air LinesEmbraer 175Daily
6:13 PM→6:53 PMAlaska AirlinesBoeing 737Mon, Thu, Fri, Sat, Sun
6:13 PM→6:53 PMAlaska AirlinesBoeing 737Tue
7:28 PM→8:14 PMDelta Air LinesEmbraer 175Mon, Thu, Fri, Sun
8:47 PM→9:21 PMAlaska AirlinesEmbraer 175Daily

Schedules last checked Sep 19, 2026. Times are local.

Flying from Boise to Seattle

Alaska Airlines flies most often, 7 to 8 times a day on the Embraer 175, Boeing 737, Boeing 737 MAX 8 and Boeing 737 MAX 9. Delta Air Lines flies 6 to 7 times a day on the Embraer 175.

Flights run every day of the week, from 13 on Wednesdays and Saturdays to 15 on Mondays, Thursdays, Fridays and Sundays. The first arrival in Seattle is at 7:00 AM and the last at 9:21 PM. The flight covers 398 miles.

Flying back, Seattle to Boise has 101 nonstop flights a week.

Return flights

Seattle to BoiseView

Find the cheapest day to fly from Boise to Seattle.

Schedules as of Oct 9, 2026.