Direct (nonstop) flights from Seoul to Haiphong

1 airline flys nonstop from Incheon International Airport (ICN) to Cat Bi International Airport (HPH). It's 1,646 miles (2,649 km), about 5h 25m in the air. Operated by VietJet Air.

ICN
Incheon International Airport
🇰🇷 Seoul, Republic of Korea
HPH
Cat Bi International Airport
🇻🇳 Haiphong, Viet Nam
Flight Time
5h 25m
Distance
1,646 mi
2,649 km
CO₂/pax
278 kg
−122 kg vs. layover
Airlines
1
VietJet Air
Time Diff
-2h
Operated by VietJet Air VietJet Air

Route data last updated: May 29, 2026

Airlines with non-stop flights

VietJet Air VJ VietJet Air
Route
ICN → HPH
Flight Time
5h 25m
Distance
1,646 mi

Alternative Routes

Other ways to fly from Seoul to Haiphong with one stop · direct emits 278 kg CO₂ per passenger

ICN DAD (Da Nang) HPH
Leg 1: 4h 50m (1,847 mi) Leg 2: 1h 20m (342 mi) Total: ~6h 10m 🍃 400 kg CO₂ (+44% vs. direct)
Leg 1
ICN → DAD
4h 50m · 1,847 mi
View ICN to DAD flights →
Leg 2
DAD → HPH
1h 20m · 342 mi
View DAD to HPH flights →
ICN CAN (Guangzhou) HPH
Leg 1: 3h 55m (1,244 mi) Leg 2: 2h 25m (456 mi) Total: ~6h 20m 🍃 319 kg CO₂ (+15% vs. direct)
Leg 1
ICN → CAN
3h 55m · 1,244 mi
View ICN to CAN flights →
Leg 2
CAN → HPH
2h 25m · 456 mi
View CAN to HPH flights →
ICN KMG (Kunming) HPH
Leg 1: 5h (1,624 mi) Leg 2: 1h 25m (381 mi) Total: ~6h 25m 🍃 369 kg CO₂ (+33% vs. direct)
Leg 1
ICN → KMG
5h · 1,624 mi
View ICN to KMG flights →
Leg 2
KMG → HPH
1h 25m · 381 mi
View KMG to HPH flights →
ICN LJG (Lijiang) HPH
Leg 1: 5h 10m (1,699 mi) Leg 2: 1h 50m (575 mi) Total: ~7h 🍃 418 kg CO₂ (+50% vs. direct)
Leg 1
ICN → LJG
5h 10m · 1,699 mi
View ICN to LJG flights →
Leg 2
LJG → HPH
1h 50m · 575 mi
View LJG to HPH flights →
ICN CXR (Nha Trang) HPH
Leg 1: 5h 13m (2,051 mi) Leg 2: 1h 48m (628 mi) Total: ~7h 1m 🍃 488 kg CO₂ (+76% vs. direct)
Leg 1
ICN → CXR
5h 13m · 2,051 mi
View ICN to CXR flights →
Leg 2
CXR → HPH
1h 48m · 628 mi
View CXR to HPH flights →

Looking for the return flight?

HPH → ICN: Flights from Haiphong to Seoul

Frequently Asked Questions

How long is the direct flight from Seoul to Haiphong?

A nonstop flight from Seoul (ICN) to Haiphong (HPH) takes approximately 5 hours and 25 minutes. The distance is 1,646 miles (2,649 km).

Which airlines fly nonstop from Seoul to Haiphong?

Just VietJet Air.

Is there a nonstop flight from Seoul to Haiphong?

Yes. 1 airline: VietJet Air.

How far is Seoul from Haiphong?

The flight distance from Seoul to Haiphong is 1,646 miles (2,649 km), measured as the great-circle (shortest air) distance.

What is the time difference between Seoul and Haiphong?

Haiphong is 2 hours behind Seoul. (Asia/Seoul vs Asia/Ho_Chi_Minh.)

What type of aircraft flies from Seoul to Haiphong?

At 5h 25m, 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 Haiphong?

Roughly 278 kg CO2 per passenger one-way. That's about the same as driving 1,390 km.

Is the return flight from Haiphong 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 Haiphong?

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.