Hanoi to Seoul

1 ways to travelfastest 4h 15mfly from €84
Photo: Yohan Cho / Unsplash

How the cheapest fare moved

Oct 25: €86 €86 Oct 18 Oct 25 low €84 · high €118

Departure-day prices · June 2026 Hanoi → Seoul

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Return-day prices · June 2026 Seoul → Hanoi

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Best time to visit Seoul — climate

Jan: ~2°C daytime, 4 rainy days 2° JanFeb: ~2°C daytime, 2 rainy days 2° FebMar: ~12°C daytime, 8 rainy days 12° MarApr: ~18°C daytime, 6 rainy days 18° AprMay: ~22°C daytime, 9 rainy days 22° MayJun: ~28°C daytime, 13 rainy days 28° JunJul: ~32°C daytime, 14 rainy days 32° JulAug: ~31°C daytime, 17 rainy days 31° AugSep: ~26°C daytime, 11 rainy days 26° SepOct: ~19°C daytime, 14 rainy days 19° OctNov: ~12°C daytime, 2 rainy days 12° NovDec: ~3°C daytime, 9 rainy days 3° Dec

Best value: Oct — fares from €84 and ~19°C daytime.

Flights from Hanoi to Seoul start around €84 (typically 1 stop). Range seen recently: €84–94, based on 15 fares found by travellers.

Fly (from €84)
4h 15mduration
€84–94recent fares
Book
Cheapest cached fares Hanoi → Seoul; typically 1 stop (e.g. VJ). · Based on 15 fares found by travellers in the last 48h

Cheapest round trips to Seoul

Fares found by travellers in the last 48 hours — refreshed daily.

May 1 – May 10 Vietjet · Direct · 4h 15m €189 Book
May 1 – May 11 Vietjet · Direct · 4h 15m €189 Book
May 2 – May 10 Vietjet · Direct · 4h 15m €189 Book
May 2 – May 11 Vietjet · Direct · 4h 15m €189 Book
May 3 – May 10 Vietjet · Direct · 4h 15m €189 Book
May 3 – May 11 Vietjet · Direct · 4h 15m €189 Book
May 1 – May 9 Vietjet · Direct · 4h 15m €189 Book
May 2 – May 9 Vietjet · Direct · 4h 15m €189 Book

Weather in Seoul

Sun 🌤️ 23° 10° 💧16%
Mon 🌤️ 21° 14° 💧10%
Tue 🌤️ 15° 5° 💧0%
Wed ☀️ 11° 2° 💧0%
Thu 🌦️ 11° 5° 💧74%
Fri 🌦️ 18° 9° 💧69%
Sat 🌦️ 15° 6° 💧8%

In Jun, Seoul typically sees ~28°C daytime highs and 13 rainy days.

Where to stay in Seoul

3★+ hotels from €123/night (39 hotels sampled, ~3 weeks out).

Arirang Hill Hotel Dongdaemun hotel · Seoul
from €123/night★ 4
Klaven Hotel Myeongdong City Hall hotel · Seoul
from €127/night★ 3
Ocloud Hotel Gangnam hotel · Seoul
from €136/night★ 4

Good to know

Time difference+2h
Time in the air4h 15m

Things to do in Seoul

Top-rated tours and tickets from €71 — book ahead for the popular ones.

Tours and tickets provided by Viator (a Tripadvisor company). Some links earn Stayonomy a commission.

About Seoul

Seoul (서울) is the capital of South Korea. With a population of over 9 million (with over 20 million in the wider metropolitan area), Seoul is by far South Korea's largest city and one of East Asia's financial and cultural centers. A fascinating blend of ancient traditions and cutting-edge digital technology, home to endless street food vendors and vast nightlife districts, an extraordinarily high-pressure educational system and serene Buddhist temples, a dynamic trend-setting youth culture and often crushing conformism, extraordinary architectu…

Read the full Seoul guide

Guide content from Wikivoyage contributors (CC BY-SA).

Round out the trip

Popular from Hanoi

Cheapest destinations travellers searched recently — refreshed daily.

Flight prices are real fares travellers found in the last 48 hours, refreshed daily — the booking site confirms the final price. Train, bus and ferry fares are shown on the operators' booking sites. Weather data by Open-Meteo; exchange rates: ECB reference. Data updated 2026-10-25. Some links earn Stayonomy a commission at no cost to you.