Hanoi to Seattle Flights
Everything you need to know about the HAN → SEA international route — flight time, airlines, fares, and booking tips. Track your flight in real time with TripTrack.
✈️ Route Overview
Key facts for the Hanoi to Seattle route
🛫 Airlines on This Route
Carriers operating HAN → SEA flights
| Airline | Notes |
|---|---|
| Singapore Airlines | Primary carrier on this route |
| AirAsia | Operates this route |
| Garuda Indonesia | Operates this route |
| Philippine Airlines | Operates this route |
| Vietnam Airlines | Operates this route |
| Bangkok Airways | Operates this route |
💡 Booking Tips
How to get the best deal on Hanoi to Seattle flights
Best Days to Fly
Tuesday, Wednesday, and Saturday typically offer lower fares
Fare Range
$310-$1540 round trip. Book 3–6 weeks in advance for domestic routes, 2–3 months for international.
Red-Eye Flights
✓ Available
Overnight flights on this route can save on hotel costs and maximize your time at the destination.
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 HAN → SEA route
- 1 Arrive early; some Southeast Asian airports have lengthy security queues.
- 2 Humidity and heat are factors when connecting through outdoor terminal areas.
- 3 This ultra-long-haul route (6,831 miles) benefits greatly from lie-flat business class seating.
🏢 Airport Guides
Full terminal, transit, and traveler info for both airports
Track Your HAN → 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 — Hanoi to Seattle Flights
How long is the flight from Hanoi to Seattle?
The average flight time from Hanoi (HAN) to Seattle (SEA) is 12h 50m. This is an estimate including taxi, climb, and descent time — actual flight time may vary based on winds and routing.
Which airlines fly from Hanoi to Seattle?
Airlines operating the HAN to SEA route include Singapore Airlines, AirAsia, Garuda Indonesia and 3 more. Check each airline's website for current schedules and availability.
How far is Hanoi from Seattle?
The great-circle distance from Hanoi to Seattle is 6,831 miles (10,994 km). This is the straight-line distance — actual flight paths may be slightly longer.
What are the cheapest days to fly from Hanoi to Seattle?
Tuesday, Wednesday, and Saturday typically offer lower fares. Fares on this route typically range $310-$1540 round trip.
Is there a time zone change flying from Hanoi to Seattle?
Yes — there is a -14 hours when flying from Hanoi to Seattle. TripTrack automatically shows local times for both your departure and arrival airports.
Are there red-eye flights from Hanoi to Seattle?
Yes, overnight (red-eye) flights are available on the HAN to SEA route. These can be a great way to save on hotel costs and maximize time at your destination.
How can I track my Hanoi to Seattle flight in real time?
TripTrack automatically tracks your HAN 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.