Hanoi to Seoul

1 ways to travelfastest 4h 10mfly from €85
Photo: Yohan Cho / Unsplash

How the cheapest fare moved

Oct 22: €91 €91 Oct 15 Oct 22 low €85 · high €102

Departure-day prices · October 2026 Hanoi → Seoul

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22€19723€10724€10925€11026€8927€8928€8529€8530€9131€97

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

Return-day prices · October 2026 Seoul → Hanoi

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22€11123€9524€10225€10926€10727€9528€10329€11130€11231€113

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

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 €85 and ~19°C daytime.

Flights from Hanoi to Seoul start around €85 (typically 1 stop). Range seen recently: €85–97, based on 20 fares found by travellers.

Fly (from €85)
4h 10mduration
€85–97recent fares
Book
Cheapest cached fares Hanoi → Seoul; typically 1 stop (e.g. VU). · Based on 20 fares found by travellers in the last 48h

Cheapest round trips to Seoul

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

Nov 19 – Dec 15 Jeju Air · Direct · 4h 25m €193 Book
Nov 18 – Dec 16 Sun PhuQuoc Airways · 1 stop · 5h 55m €196 Book
Oct 22 – Oct 25 Vietjet · 1 stop · 5h 55m €197 Book
Nov 27 – Dec 17 Jeju Air · Direct · 4h 25m €200 Book
Nov 10 – Nov 14 Jeju Air · Direct · 4h 25m €202 Book
Nov 29 – Dec 17 Shandong Airlines · 1 stop · 4h 45m €204 Book
Nov 18 – Dec 17 Vietravel Airlines · 1 stop · 6h 00m €204 Book
Feb 2 – Feb 12 Vietjet · Direct · 4h 10m €205 Book

Weather in Seoul

Thu 🌤️ 15° 5° 💧0%
Fri 🌤️ 20° 7° 💧1%
Sat ☁️ 21° 13° 💧9%
Sun ☁️ 23° 15° 💧24%
Mon ☁️ 24° 15° 💧34%
Tue ☁️ 16° 4° 💧11%
Wed ☀️ 8° 1° 💧1%

In Oct, Seoul typically sees ~19°C daytime highs and 14 rainy days.

Where to stay in Seoul

3★+ hotels from €162/night (39 hotels sampled, ~3 weeks out).

Arirang Hill Hotel Dongdaemun hotel · Seoul
from €162/night★ 4
Klaven Hotel Myeongdong City Hall hotel · Seoul
from €186/night★ 3
GLAD Yeouido hotel · Seoul
from €201/night★ 4

Good to know

Time difference+2h
Time in the air4h 10m

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 2026-10-22. Some links earn Stayonomy a commission at no cost to you.