Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline Alaska Airlines

The cheapest airline(s) flying from Boise to Seattle is Alaska Airlines.

  • Alaska Airlines Alaska Airlines
  • Delta Air Lines Delta Air Lines
  • Spirit Airlines Spirit Airlines
Cheapest Month July

Travel Period: May 2024 - April 2025

The cheapest month(s) to fly from Boise to Seattle is July.

  • May 2024
  • Jun 2024
  • Jul 2024
  • Aug 2024
  • Sep 2024
  • Oct 2024
  • Nov 2024
  • Dec 2024
  • Jan 2025
  • Feb 2025
  • Mar 2025
  • Apr 2025
Cheapest Day of the Week Tuesday

The cheapest day(s) of the week to fly from Boise to Seattle is Tuesday.

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday
Cheapest Time 7pm

The cheapest time of the day to fly from Boise to Seattle is in the evening.

Early Morning 12:01am - 06:00am
Morning 6:01am - 12:00pm
Afternoon 12:01pm - 6:00pm
Evening 6:01pm to 12:00am
12am
6am
12pm
6pm

Flight Schedules

Last Updated: Tue, 2 Apr, 2024

  • Depart Earliest
    • Earliest
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    • Earliest
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  • Availability
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    • W
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  • 18:50 - 19:22
    BOI - SEA
  • 18:50 (BOI)Boise Airport
  • 19:22 (SEA)Seattle/Tacoma International Airport
  • Alaska Airlines (AS 1033)Boeing 737
  • 1h 32m
  • Direct
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  • Boeing 737
  • 19:30 - 20:21
    BOI - SEA
  • 19:30 (BOI)Boise Airport
  • 20:21 (SEA)Seattle/Tacoma International Airport
  • Delta Air Lines (DL 3696)Embraer 175
  • 1h 51m
  • Direct
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  • Embraer 175
  • 20:30 - 21:02
    BOI - SEA
  • 20:30 (BOI)Boise Airport
  • 21:02 (SEA)Seattle/Tacoma International Airport
  • Alaska Airlines (AS 2352)Embraer Emb 175
  • 1h 32m
  • Direct
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  • Embraer Emb 175
  • 05:40 - 06:25
    BOI - SEA
  • 05:40 (BOI)Boise Airport
  • 06:25 (SEA)Seattle/Tacoma International Airport
  • Delta Air Lines (DL 3962)Embraer 175
  • 1h 45m
  • Direct
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  • Embraer 175
  • 06:05 - 06:38
    BOI - SEA
  • 06:05 (BOI)Boise Airport
  • 06:38 (SEA)Seattle/Tacoma International Airport
  • Alaska Airlines (AS 2494)Embraer Emb 175
  • 1h 33m
  • Direct
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  • Embraer Emb 175
  • 07:30 - 08:32
    BOI - SEA
  • 07:30 (BOI)Boise Airport
  • 08:32 (SEA)Seattle/Tacoma International Airport
  • Delta Air Lines (DL 3705)Embraer 175
  • 2h 02m
  • Direct
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  • Embraer 175
  • 07:45 - 08:15
    BOI - SEA
  • 07:45 (BOI)Boise Airport
  • 08:15 (SEA)Seattle/Tacoma International Airport
  • Alaska Airlines (AS 2360)Embraer Emb 175
  • 1h 30m
  • Direct
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  • Embraer Emb 175
  • 09:25 - 10:18
    BOI - SEA
  • 09:25 (BOI)Boise Airport
  • 10:18 (SEA)Seattle/Tacoma International Airport
  • Delta Air Lines (DL 3876)Embraer 175
  • 1h 53m
  • Direct
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  • Embraer 175
  • 09:30 - 10:00
    BOI - SEA
  • 09:30 (BOI)Boise Airport
  • 10:00 (SEA)Seattle/Tacoma International Airport
  • Alaska Airlines (AS 2533)Embraer Emb 175
  • 1h 30m
  • Direct
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  • Embraer Emb 175
  • 12:00 - 12:45
    BOI - SEA
  • 12:00 (BOI)Boise Airport
  • 12:45 (SEA)Seattle/Tacoma International Airport
  • Delta Air Lines (DL 4164)Embraer 175
  • 1h 45m
  • Direct
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  • Embraer 175
  • 12:10 - 12:43
    BOI - SEA
  • 12:10 (BOI)Boise Airport
  • 12:43 (SEA)Seattle/Tacoma International Airport
  • Alaska Airlines (AS 2347)Embraer Emb 175
  • 1h 33m
  • Direct
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  • Embraer Emb 175
  • 13:45 - 14:17
    BOI - SEA
  • 13:45 (BOI)Boise Airport
  • 14:17 (SEA)Seattle/Tacoma International Airport
  • Alaska Airlines (AS 2108)Embraer Emb 175
  • 1h 32m
  • Direct
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  • Embraer Emb 175
  • 14:35 - 15:20
    BOI - SEA
  • 14:35 (BOI)Boise Airport
  • 15:20 (SEA)Seattle/Tacoma International Airport
  • Delta Air Lines (DL 4127)Embraer 175
  • 1h 45m
  • Direct
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  • Embraer 175
  • 15:55 - 16:27
    BOI - SEA
  • 15:55 (BOI)Boise Airport
  • 16:27 (SEA)Seattle/Tacoma International Airport
  • Alaska Airlines (AS 1019)Boeing 737
  • 1h 32m
  • Direct
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  • Boeing 737
  • 17:00 - 17:32
    BOI - SEA
  • 17:00 (BOI)Boise Airport
  • 17:32 (SEA)Seattle/Tacoma International Airport
  • Alaska Airlines (AS 901)Boeing 737
  • 1h 32m
  • Direct
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  • Boeing 737
  • 17:04 - 17:50
    BOI - SEA
  • 17:04 (BOI)Boise Airport
  • 17:50 (SEA)Seattle/Tacoma International Airport
  • Delta Air Lines (DL 4137)Embraer 175
  • 1h 46m
  • Direct
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  • Embraer 175

Connecting Flights

  • 11:25 - 11:50
    BOI - SMF
    12:45 - 14:40
    SMF - SEA
  • 11:25 (BOI)Boise Airport
    12:45 (SMF)Sacramento International Airport
  • 11:50 (SMF)Sacramento International Airport
    14:40 (SEA)Seattle/Tacoma International Airport
  • (WN 4448)Boeing 737 Max 8 Passenger
    (WN 4279)Boeing 737 800
  • 4h 15m (55m)
  • SMF Sacramento 55m
    • M
    • -
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    • F
    • -
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No Schedules Sorry, there are no schedules matching your filters. Try removing one. reset
What’s the fastest flight time from Boise to Seattle?

The fastest flight time for direct flights from Boise to Seattle is 1 hour 30 minutes. Check latest flight schedules & prices on Wego.

How far is Seattle from Boise?

The flight distance between Boise and Seattle is 650km. Check all available flights on Wego.

When is the earliest and latest flight of the day?

The earliest flight of the day departs at 05:40. The last flight of the day departs at 18:50. See the full list of flight times on Wego.

How many airlines offer direct flights from Boise to Seattle?

There are 2 airlines that offer direct flights from Boise to Seattle. Find out the list of airlines on Wego.