Hanoi to Seoul

1 ways to travelfastest 4h 15mfly from €99
Photo: Yohan Cho / Unsplash

How the cheapest fare moved

Jul 30: €99 €99 Jul 24 Jul 30 low €99 · high €178

Departure-day prices · April 2027 Hanoi → Seoul

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Cheapest days highlighted · darker = pricier · past days greyed out · cached one-way fares.

Return-day prices · April 2027 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 €99 and ~26°C daytime.

Flights from Hanoi to Seoul start around €99 (direct flights available). Range seen recently: €99–107, based on 12 fares found by travellers.

Fly (from €99)
4h 15mduration
€99–107recent fares
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Cheapest cached fares Hanoi → Seoul; direct flights available (e.g. VJ). · Based on 12 fares found by travellers in the last 48h

Cheapest round trips to Seoul

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

Oct 4 – Oct 10 Vietjet · Direct · 4h 15m €206 Book
Aug 3 – Aug 31 Vietjet · Direct · 4h 15m €206 Book
Dec 1 – Dec 5 Shandong Airlines · 1 stop · 5h 00m €207 Book
Oct 18 – Nov 8 Shandong Airlines · 1 stop · 4h 40m €210 Book
Oct 20 – Nov 10 Shandong Airlines · 1 stop · 4h 40m €210 Book
Oct 21 – Nov 5 Shandong Airlines · 1 stop · 4h 35m €210 Book
Oct 23 – Nov 4 Shandong Airlines · 1 stop · 4h 40m €210 Book
Oct 16 – Oct 19 Shandong Airlines · 1 stop · 4h 40m €210 Book

Weather in Seoul

Fri ☁️ 31° 23° 💧27%
Sat ☁️ 33° 26° 💧67%
Sun 🌤️ 33° 25° 💧7%
Mon 🌦️ 36° 26° 💧36%
Tue ⛈️ 35° 28° 💧43%
Wed ⛈️ 34° 28° 💧46%
Thu 🌦️ 36° 28° 💧26%

In Apr, Seoul typically sees ~20°C daytime highs and 7 rainy days.

Where to stay in Seoul

3★+ hotels from €167/night (39 hotels sampled, ~3 weeks out).

ibis Styles Ambassador Seoul Myeong-dong hotel · Seoul
from €167/night★ 4
Arirang Hill Hotel Dongdaemun hotel · Seoul
from €172/night★ 4
Klaven Hotel Myeongdong City Hall hotel · Seoul
from €173/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 2026-07-31. Some links earn Stayonomy a commission at no cost to you.