Boise to Seattle Flights
Everything you need to know about the BOI → SEA domestic route — flight time, airlines, fares, and booking tips. Track your flight in real time with TripTrack.
✈️ Route Overview
Key facts for the Boise to Seattle route
🛫 Airlines on This Route
Carriers operating BOI → SEA flights
| Airline | Notes |
|---|---|
| Delta | SkyMiles frequent flyer program |
| American Airlines | AAdvantage frequent flyer program |
| United | MileagePlus frequent flyer program |
| Southwest | Rapid Rewards — bags fly free |
| Alaska Airlines | Mileage Plan — generous earning rates |
| JetBlue | TrueBlue — free snacks, above-average legroom |
💡 Booking Tips
How to get the best deal on Boise to Seattle flights
Best Days to Fly
Midweek departures (Tuesday–Thursday) are generally least expensive
Fare Range
$80-$130 round trip. Book 3–6 weeks in advance for domestic routes, 2–3 months for international.
Red-Eye Flights
✗ Not available
No overnight options on this route — plan for daytime travel.
Track Your Flight
Once booked, TripTrack automatically imports your flight from your confirmation email. Real-time gate changes and delay alerts — no manual entry needed.
🧳 Travel Tips for This Route
Practical advice from frequent travelers on the BOI → SEA route
- 1 Alaska Airlines has a generous mileage program for West Coast routes.
- 2 Southwest Airlines does not charge bag fees on this route.
🏢 Airport Guides
Full terminal, transit, and traveler info for both airports
Track Your BOI → SEA Flight — Automatically
TripTrack monitors your flight in real time — gate changes, delays, and departure updates sent to your phone the moment they happen. Connect your Gmail once and your trips appear automatically. No manual entry.
Frequently Asked Questions — Boise to Seattle Flights
How long is the flight from Boise to Seattle?
The average flight time from Boise (BOI) to Seattle (SEA) is 1h 25m. This is an estimate including taxi, climb, and descent time — actual flight time may vary based on winds and routing.
Which airlines fly from Boise to Seattle?
Airlines operating the BOI to SEA route include Delta, American Airlines, United and 3 more. Check each airline's website for current schedules and availability.
How far is Boise from Seattle?
The great-circle distance from Boise to Seattle is 398 miles (641 km). This is the straight-line distance — actual flight paths may be slightly longer.
What are the cheapest days to fly from Boise to Seattle?
Midweek departures (Tuesday–Thursday) are generally least expensive. Fares on this route typically range $80-$130 round trip.
Is there a time zone change flying from Boise to Seattle?
Yes — there is a -1 hour when flying from Boise to Seattle. TripTrack automatically shows local times for both your departure and arrival airports.
Are there red-eye flights from Boise to Seattle?
No, there are currently no overnight (red-eye) flights on the BOI to SEA route. All flights operate during daytime hours.
How can I track my Boise to Seattle flight in real time?
TripTrack automatically tracks your BOI to SEA flight — showing real-time gate changes, delays, and departure updates. Connect your Gmail once and your booking confirmation is imported automatically. Available free on iOS and Android.