Hanoi to Seoul

1 ways to travelfastest 4h 15mfly from €102
Photo: Yohan Cho / Unsplash

How the cheapest fare moved

Jul 26: €107 €107 Jul 20 Jul 26 low €102 · high €140

Departure-day prices · May 2026 Hanoi → Seoul

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Return-day prices · May 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 €102 and ~26°C daytime.

Flights from Hanoi to Seoul start around €102 (direct flights available). Range seen recently: €102–108, based on 7 fares found by travellers.

Fly (from €102)
4h 15mduration
€102–108recent fares
Book
Cheapest cached fares Hanoi → Seoul; direct flights available (e.g. 9G). · Based on 7 fares found by travellers in the last 48h

Cheapest round trips to Seoul

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

Dec 1 – Dec 5 Shandong Airlines · 1 stop · 5h 00m €203 Book
Aug 31 – Sep 6 Vietjet · Direct · 4h 15m €206 Book
Oct 15 – Oct 18 Shandong Airlines · 1 stop · 4h 40m €210 Book
Jan 4 – Jan 8 Vietjet · Direct · 4h 35m €210 Book
Aug 20 – Aug 31 Vietjet · Direct · 4h 15m €212 Book
Aug 12 – Aug 16 Vietjet · Direct · 4h 15m €221 Book
Aug 9 – Aug 14 Shandong Airlines · 1 stop · 5h 10m €230 Book
Oct 7 – Nov 22 Sun PhuQuoc Airways · Direct · 4h 25m €232 Book

Weather in Seoul

Sun 🌦️ 31° 24° 💧100%
Mon 🌦️ 30° 25° 💧94%
Tue 🌦️ 31° 25° 💧90%
Wed ☁️ 30° 24° 💧15%
Thu 🌦️ 31° 24° 💧31%
Fri ☁️ 31° 25° 💧37%
Sat ⛈️ 32° 26° 💧24%

In May, Seoul typically sees ~22°C daytime highs and 9 rainy days.

Where to stay in Seoul

3★+ hotels from €79/night (40 hotels sampled, ~3 weeks out).

Ocloud Hotel Gangnam hotel · Seoul
from €79/night★ 4
Arirang Hill Hotel Dongdaemun hotel · Seoul
from €92/night★ 4
Klaven Hotel Myeongdong City Hall hotel · Seoul
from €99/night★ 3

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 2026-07-26. Some links earn Stayonomy a commission at no cost to you.