Direct (non-stop) flights from Boise (BOI) to SeaTac (SEA)
Find comprehensive flight information, schedules, and booking details for direct flights from Boise (BOI), US to SeaTac (SEA), US. This popular route is operated by 2 airlines, offering multiple daily departures.• Flight Duration: 1h 25m - 2h 11m (average flight time)• Distance: 400 miles (644 km) (air miles between airports)• Daily Flights: 10-15 flights (scheduled departures per day)
Boise (BOI)
US
SeaTac (SEA)
US
FLIGHT TIME
1h 25m - 2h 11m
FLIGHT DISTANCE
400 miles (644 km)
1h 37m - 2h 11m
05:20
21:42
400 miles (644 km)
January
2 (Show)
96
Terminal 1 & Terminal 2 (Boise (BOI))
Terminal 1 (SeaTac (SEA))
Flight Schedule
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Airlines Operating This Route
Delta Air Lines (DL), Alaska Airlines (AS)
Click any airline to view their specific flight schedules, policies, and route details for this connection. You can also explore flights from Boise (BOI) and flights to SeaTac (SEA).
Route Insights
Route Demand
This route sees high demand with 96 weekly flights, making it one of the busiest connections between Boise (BOI) and Seattle (SEA).
Route Importance
Multiple airlines compete on this route (2 carriers), indicating its significance in connecting Boise (BOI) and Seattle (SEA). This competition often leads to competitive pricing and multiple daily departure options.
Best Time to Fly
Best Value Period
January typically offers the best value for travelers, with lower average fares compared to peak travel periods.
Price Trends
Price variation throughout the year is significant, with Jan being the most affordable month and prices increasing during peak travel seasons.
Distance & Duration Explained
Route Distance
At 400 miles (644 km), this is an ultra-long-haul route between Boise (BOI) and Seattle (SEA), requiring larger aircraft and extended flight times.
Flight Duration
Flight duration averages 1h 25m - 2h 11m, with actual times ranging from 1h 37m - 2h 11m depending on aircraft type, wind conditions, and routing.
Airline Comparison
Available Airlines
Travelers have 2 airline options on this route: Delta Air Lines, Alaska Airlines. Each airline offers different schedules, pricing, and service levels to meet various travel needs.
Flight Frequency
Alaska Airlines operates the most flights on this route with 8 daily departures, followed by Delta Air Lines.
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Best Time to Visit & Travel Planning
Cheapest Day
Cheapest Month
Average Fare
$207
Travel Planning Tips for Boise (BOI) to SeaTac (SEA)
- Best Day to Book
Wednesday typically offers the lowest fares for flights from Boise (BOI) to SeaTac (SEA). Consider booking on this day for potential savings.
- Best Month to Travel
January is generally the cheapest month to fly from Boise (BOI) to SeaTac (SEA). Plan your trip during this month for the best deals.
- Average Flight Price
The average fare for flights from Boise (BOI) to SeaTac (SEA) is approximately $207. Prices may vary based on booking time, season, and airline.
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Related Pages
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Frequently Asked Questions
How many flights operate from Boise (BOI) to Seattle (SEA)?
There are 15 direct flights operating from Boise (BOI) to Seattle (SEA). Approximately 10-15 flights daily.
Which airlines operate flights from Boise (BOI) to Seattle (SEA)?
2 airlines operate on this route: Delta Air Lines, Alaska Airlines.
How long is the flight from Boise (BOI) to Seattle (SEA)?
The flight duration from Boise (BOI) to Seattle (SEA) is approximately 1h 25m - 2h 11m.
What is the distance from Boise (BOI) to Seattle (SEA)?
The distance from Boise (BOI) to Seattle (SEA) is 400 miles (644 km).
What is the flight time range for this route?
Flight times on this route range from 1h 37m - 2h 11m.
What are the earliest and latest flight departure times?
The earliest flight departs at 05:20 and the latest flight departs at 21:42.
What is the cheapest month to fly from Boise (BOI) to Seattle (SEA)?
January is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 96 flights operate per week from Boise (BOI) to Seattle (SEA).
What types of aircraft operate on this route?
This route is served by Embraer 175 (Enhanced Winglets), Boeing 737-800 (winglets) Passenger/BBJ2, Embraer 175, Boeing 737MAX 9 Passenger.
What is the average flight price from Boise (BOI) to Seattle (SEA)?
The average flight price for a round-trip ticket from Boise (BOI) to Seattle (SEA) is approximately $186 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from Boise (BOI) to Seattle (SEA) for the lowest prices?
January is typically the cheapest month to fly from Boise (BOI) to Seattle (SEA). Booking in advance and avoiding peak travel seasons can help you find better deals.
How many airlines offer flights from Boise (BOI) to Seattle (SEA)?
2 airlines offer direct flights from Boise (BOI) to Seattle (SEA), providing travelers with multiple options for scheduling and pricing.
How far is Seattle (SEA) from Boise (BOI)?
The distance from Boise (BOI) to Seattle (SEA) is 400 miles (644 km). This is a long-haul flight route.
How long does it take to fly from Boise (BOI) to Seattle (SEA)?
The flight time from Boise (BOI) to Seattle (SEA) is approximately 1h 25m - 2h 11m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.
What city does Seattle (SEA) serve?
Seattle (SEA) serves Seattle, US.