Hanoi to Seoul

1 ways to travelfastest 4h 10mfly from €82
Photo: Yohan Cho / Unsplash

How the cheapest fare moved

Aug 7: €92 €92 Aug 2 Aug 7 low €82 · high €93

Departure-day prices · January 2026 Hanoi → Seoul

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Return-day prices · January 2026 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 €82 and ~26°C daytime.

Flights from Hanoi to Seoul start around €82 (direct flights available). Range seen recently: €82–95, based on 13 fares found by travellers.

Fly (from €82)
4h 10mduration
€82–95recent fares
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Cheapest cached fares Hanoi → Seoul; direct flights available (e.g. VJ). · Based on 13 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 12 – Sep 16 Vietjet · Direct · 4h 15m €142 Book
Oct 12 – Oct 14 Vietjet · Direct · 4h 15m €155 Book
Sep 3 – Sep 10 Sun PhuQuoc Airways · Direct · 4h 25m €163 Book
Oct 11 – Oct 24 Vietjet · Direct · 4h 15m €165 Book
Oct 5 – Oct 10 Vietjet · Direct · 4h 15m €166 Book
Aug 24 – Aug 29 THAI Smile · Direct · 4h 20m €175 Book
Oct 20 – Oct 27 Vietjet · Direct · 4h 15m €177 Book
Oct 2 – Oct 4 Jeju Air · Direct · 4h 50m €178 Book

Weather in Seoul

Fri 🌤️ 36° 25° 💧31%
Sat 🌤️ 33° 26° 💧97%
Sun ☁️ 31° 25° 💧4%
Mon ☁️ 32° 23° 💧8%
Tue 🌤️ 33° 21° 💧4%
Wed ☁️ 31° 19° 💧2%
Thu ☁️ 33° 22° 💧17%

In Jan, Seoul typically sees ~2°C daytime highs and 4 rainy days.

Where to stay in Seoul

3★+ hotels from €97/night (38 hotels sampled, ~3 weeks out).

Ocloud Hotel Gangnam hotel · Seoul
from €97/night★ 4
Arirang Hill Hotel Dongdaemun hotel · Seoul
from €109/night★ 4
GLAD Gangnam COEX Center hotel · Seoul
from €132/night★ 4

Good to know

Time difference+2h
Time in the air4h 15m

Things to do in Seoul

Top-rated tours and tickets from €56 — 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 2026-08-07. Some links earn Stayonomy a commission at no cost to you.