Hanoi to Seoul

1 ways to travelfastest 4h 10mfly from €88
Photo: Yohan Cho / Unsplash

How the cheapest fare moved

Aug 26: €88 €88 Aug 19 Aug 26 low €88 · high €191

Departure-day prices · December 2029 Hanoi → Seoul

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Return-day prices · December 2029 Seoul → Hanoi

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Best time to visit Seoul — climate

Jan: ~2°C daytime, 4 rainy days JanFeb: ~2°C daytime, 2 rainy days FebMar: ~12°C daytime, 8 rainy days 12° MarApr: ~17°C daytime, 6 rainy days 17° 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, 16 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 Dec

Best value: Sep — fares from €88 and ~26°C daytime.

Flights from Hanoi to Seoul start around €88 (direct flights available). Range seen recently: €88–93, based on 6 fares found by travellers.

Fly (from €88)
4h 10mduration
€88–93recent fares
Book
Cheapest cached fares Hanoi → Seoul; direct flights available (e.g. 7C). · Based on 6 fares found by travellers in the last 48h

Cheapest round trips to Seoul

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

Sep 9 – Sep 21 Jeju Air · Direct · 4h 50m €142 Book
Sep 22 – Sep 27 Jeju Air · Direct · 4h 50m €144 Book
Sep 10 – Sep 13 Jeju Air · Direct · 4h 50m €150 Book
Sep 5 – Sep 27 Jeju Air · Direct · 4h 50m €155 Book
Sep 6 – Sep 30 Vietjet · Direct · 4h 15m €157 Book
Sep 6 – Sep 27 Vietjet · Direct · 4h 15m €159 Book
Sep 6 – Sep 28 Jeju Air · Direct · 4h 50m €161 Book
Sep 7 – Sep 26 Vietjet · Direct · 4h 15m €162 Book

Weather in Seoul

Wed ☁️ 30° 23° 💧6%
Thu ☁️ 30° 23° 💧37%
Fri 🌦️ 31° 23° 💧84%
Sat 🌦️ 29° 23° 💧88%
Sun 🌧️ 26° 22° 💧75%
Mon 🌦️ 29° 22° 💧27%
Tue 🌦️ 26° 22° 💧37%

Where to stay in Seoul

3★+ hotels from €99/night (40 hotels sampled, ~3 weeks out).

Arirang Hill Hotel Dongdaemun hotel · Seoul
from €99/night★ 4
Klaven Hotel Myeongdong City Hall hotel · Seoul
from €120/night★ 3
Ocloud Hotel Gangnam hotel · Seoul
from €129/night★ 4

Good to know

Time difference+2h
Time in the air4h 15m

Things to do in Seoul

Top-rated tours and tickets from €57 — 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 2026-08-26. Some links earn Stayonomy a commission at no cost to you.