Home› Routes› Transpacific Flights› ICN → HAN

ICN to HAN Turbulence Forecast

Is the Seoul to Hanoi flight turbulent? Live forecast & historical patterns.

Live forecast
ICN
→
HAN
Seoul · Hanoi · 3h 55m
7
Turb Score
3h 55m
Duration
2,210 nm
Distance
37,000 ft
Cruise Alt.
Moderate
Typical
Turbulence Forecast app — ICN to HAN
⚠️ Moderate turbulence today
Get exact timing, altitude & best seat — free
Download free on the App Store
★★★★★ 4.8 · Free · No sign-up
Scan to download Turbulence Forecast
Scan to get the full forecast ★★★★★ 4.8 · Free on the App Store · No sign-up

Typical turbulence along the route

Historical average pattern for ICN–HAN

Smooth Light Moderate
0h1h2h3h4h5h6h3h 55m
Smooth
Light
Moderate
Heavy

About the ICN–HAN route

The Seoul to Hanoi route spans the Pacific Ocean — one of the longest commercial flight paths in the world at 2,545 miles. The Pacific jet stream creates moderate turbulence, typically around 3–7 hours into the flight. The sheer length of the route means passengers experience varying conditions: calm stretches punctuated by bumpy patches.

The route is served by Vietnam Airlines, Korean Air, Asiana, Jeju Air on Boeing 787 · Airbus A321 aircraft, with flights typically cruising at 37,000 feet over a distance of 2,545 miles (2,210 nautical miles).

💡 Tip: Long flight — turbulence varies throughout. Wing seats significantly reduce motion.

Turbulence levels on ICN–HAN

What to expect at each phase of the flight

SmoothDeparture & arrival — climb and descent phases are generally calm
LightMinor bumps — drink stays in your cup, walking feels slightly unsteady
ModerateNoticeable bumps — stay seated with seatbelt on, service may pause
HeavyStrong jolts — unsecured items move, crew seated. Rare but possible

Get minute-by-minute timing for your specific flight

Download on the App Store — Free

Best time to fly ICN–HAN

Turbulence by month

J
F
M
A
M
J
J
A
S
O
N
D
Smooth
Light
Moderate
Rough

Best seat on ICN–HAN

Boeing 787-8

Front
Rows 1–15
Light
✓ Wing
Rows 16-26
Smoothest
Rear
Rows 27+
Rougher
Wing seats are over the center of gravity — least affected by turbulence.

What you'll see in the app

Full forecast, live map & seat recommendations

ICN to HAN turbulence forecast app
Flight turbulence tracker
Real-time turbulence map

Similar routes

Other popular routes with turbulence data

HAN → ICN
Hanoi → Seoul
Moderate
ICN → SGN
Seoul → Ho Chi Minh City
Moderate
NRT → HAN
Tokyo → Hanoi
Moderate
SIN → HAN
Singapore → Hanoi
Light
See all transpacific flights →
All ICN routes→ All HAN routes→

Frequently asked questions

Is the Seoul to Hanoi flight turbulent?
The ICN–HAN route typically experiences moderate turbulence. A very smooth flight with minimal turbulence expected. The turbulence score for this route is 7/100.
When is turbulence worst on ICN to HAN?
Long flight — turbulence varies throughout. Wing seats significantly reduce motion. Check the turbulence chart above for the typical pattern along this specific route.
Which seat is smoothest on ICN to HAN?
Wing seats are always the smoothest. On a Boeing 787-8 (the most common aircraft on this route), that's rows 16-26. Avoid the very rear of the aircraft — it amplifies turbulence motion.
How long is the flight from ICN to HAN?
The ICN to HAN flight takes approximately 3h 55m, covering 2,545 miles (2,210 nautical miles).
Which airlines fly ICN to HAN?
The main airlines operating this route are Vietnam Airlines, Korean Air, Asiana, Jeju Air, flying Boeing 787 · Airbus A321 aircraft.

Data Sources

Scores represent typical conditions. Actual turbulence varies daily. For real-time forecasts, use the Turbulence Forecast app. · About our data