Direct (nonstop) flights from Seoul to Hanoi
5 airlines fly nonstop from Incheon International Airport (ICN) to Noibai International (HAN). It's 1,667 miles (2,682 km), about 4h 55m in the air. Operated by Jeju Air, Korean Air, Asiana Airlines and others.
Jeju Air
Korean Air
Asiana Airlines
VietJet Air
Vietnam Airlines
Route data last updated: May 28, 2026
Airlines with non-stop flights
OZ
Asiana Airlines
VN
Vietnam Airlines
Alternative Routes
Other ways to fly from Seoul to Hanoi with one stop · direct emits 282 kg CO₂ per passenger
Looking for the return flight?
HAN → ICN: Flights from Hanoi to SeoulOther direct flights from Seoul
Direct flights from Hanoi (HAN)
Frequently Asked Questions
How long is the direct flight from Seoul to Hanoi?
A nonstop flight from Seoul (ICN) to Hanoi (HAN) takes approximately 4 hours and 55 minutes. The distance is 1,667 miles (2,682 km).
Which airlines fly nonstop from Seoul to Hanoi?
5 airlines: Jeju Air, Korean Air, Asiana Airlines, VietJet Air, Vietnam Airlines.
Is there a nonstop flight from Seoul to Hanoi?
Yes. 5 airlines: Jeju Air, Korean Air, Asiana Airlines, VietJet Air, Vietnam Airlines.
How far is Seoul from Hanoi?
The flight distance from Seoul to Hanoi is 1,667 miles (2,682 km), measured as the great-circle (shortest air) distance.
What is the time difference between Seoul and Hanoi?
Hanoi is 2 hours behind Seoul. (Asia/Seoul vs Asia/Ho_Chi_Minh.)
What type of aircraft flies from Seoul to Hanoi?
At 4h 55m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
Do I need a visa to travel from Republic of Korea to Viet Nam?
Depends on your passport. Check with the Viet Nam embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Seoul to Hanoi?
Roughly 282 kg CO2 per passenger one-way. That's about the same as driving 1,410 km.
Is the return flight from Hanoi to Seoul also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Seoul to Hanoi?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Incheon International Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.