HK Express
$119
HKG → ICN
Hong Kong → Seoul
Pingsme.com compares prices from 87 airlines on the Hong Kong–Seoul route and highlights useful fare changes.
About Hong Kong to Seoul flights
Pingsme.com monitors airlines operating the Hong Kong (HKG) to Seoul (ICN) route. We check prices regularly and surface useful drops and fare signals. Prices shown are per person, one-way, in economy class.
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Hong Kong to Seoul is a short-break route in the truest sense. Two dense, fast-moving cities with strong food cultures and excellent public transport, close enough that people go for a long weekend of shopping and eating without treating it as a major expedition.
That shapes who flies it: weekenders and repeat visitors who already know the city, families in school holidays, plus business traffic between two of Asia's commercial hubs. Travellers routing through Hong Kong from Vietnam often add the Ho Chi Minh City – Hong Kong leg, which you can compare at /en/flights/sgn-hkg.
Short-haul routes with heavy repeat demand are exactly where fare differences between dates get overlooked. Pingsme compares 87 airlines across 109 routes and refreshes prices every two hours, so a two-minute check here can reset your assumption about what this trip should cost.
Choosing when to fly from Hong Kong to Seoul
Hong Kong has a pleasant autumn of its own, but September to November in Seoul is a different proposition: full foliage season across hills and palace grounds, clear skies, and temperatures of 15–22°C rather than merely mild. Add festival season and this becomes the window regulars quietly rebook every year.
March to May is the spring option and revolves around cherry blossom, typically peaking in early April. Weather is comfortable and Seoul's parks are at their best, which also means competition for seats and rooms. If blossom is the reason for the trip, plan it as a peak-season booking rather than a spontaneous weekend.
December to February is where the two cities diverge most. Seoul sits at roughly -5 to 5°C, far colder than a Hong Kong winter, and it comes with ski season, winter festivals and the cheapest flights of the year. For a short break that is genuinely a change of environment, it is hard to beat on value.
On arrival: money, timezone, getting around
South Korea uses the Korean Won (KRW), so plan a currency swap rather than assuming card-everywhere habits transfer. The language is Korean and the city runs on UTC+9 — a detail worth checking against your return flight if you are on a tight weekend schedule.
One habit does need changing: Google Maps does not work properly in South Korea because of national security restrictions on mapping data. Download Naver Maps before you fly and use it for subway routing, walking directions and restaurant information.
Transport will feel familiar to anyone used to a tap-and-go card. Buy a T-money card at any convenience store; it covers all buses, the whole subway network and even some taxis. On documents, note that Vietnamese passport holders need a K-ETA electronic travel authorisation applied for online at least 72 hours before departure — confirm the rule for your own passport well before you book.
Where to stay and what to do in Seoul
For a short trip the neighbourhood you pick matters more than usual. Hongdae is the budget and nightlife base, good if your weekend is about bars, live music and cheap food. Myeongdong is the mid-range middle ground and the most efficient choice for shopping. Gangnam and Apgujeong are the luxury bracket, better for high-end dining and designer retail than for late nights out.
With limited days, prioritise Gyeongbokgung Palace and the adjacent lanes of Bukchon Hanok Village in one block, then N Seoul Tower on Namsan for the view. Reserve an evening for Korean BBQ in Mapo-gu — on a two-night trip, that meal earns its slot.
For filler meals between the big ones, CU and GS25 convenience stores serve hot kimbap, ramyeon and rice bowls that hold up as real food. If you want a fuller plan across districts, transport and food, our destination guide at /en/destinations/seoul covers it in detail.
Booking tips for this route
- Install Naver Maps before departure — Google Maps is restricted in South Korea and will not route you reliably.
- Buy a T-money card at any convenience store on arrival; it works on buses, the subway and some taxis.
- Seoul winters are far colder than Hong Kong's, roughly -5 to 5°C, so pack for real cold if you travel between December and February.
- Vietnamese passport holders need a K-ETA applied for online at least 72 hours before departure; check the rule for whichever passport you use.
- On a short route, shifting a departure by a day or two can matter — compare dates and let Pingsme track 87 airlines with prices refreshed every two hours.
Content updated: 2026-07-25
Frequently asked questions
When is the best time to fly from Hong Kong to Seoul?
September to November is the strongest window, with autumn foliage, clear skies, 15–22°C temperatures and festival season. March to May brings cherry blossom, peaking in early April, with comfortable weather and Seoul's parks at their best. December to February is cold at -5 to 5°C — considerably colder than a Hong Kong winter — but offers ski season, winter festivals and the cheapest flights of the year.
What currency and time zone does Seoul use?
Seoul uses the Korean Won (KRW) and runs on UTC+9, with Korean as the local language. Two practical tips: buy a T-money card at any convenience store for buses, the subway and some taxis, and use Naver Maps instead of Google Maps, which does not function properly in South Korea due to national security restrictions.
How can I get a cheaper fare from Hong Kong to Seoul?
Compare several departure days instead of a single date, favour midweek flights, and book further ahead for the peak windows of autumn and early-April blossom season. If price is the main concern, December to February carries the cheapest flights of the year. Pingsme compares 87 airlines on this route and refreshes prices every two hours, which makes tracking a fare easy.
What is the cheapest flight from Hong Kong to Seoul right now?
The lowest fare we've collected is $119 with HK Express, departing 2026-08-28. Fares change quickly — the final price is always confirmed on the airline or partner site.
How often are prices on this page updated?
Automated crawlers refresh fares on this route at least once daily. Each listed deal reflects the most recent collection.
Which airlines does Pingsme compare for Hong Kong to Seoul?
Pingsme tracks 87 airlines worldwide and lists every carrier with a collected fare on this route, ranked by price.
Does Pingsme sell tickets?
No — Pingsme is a free price comparator. Clicking a deal takes you to the airline or travel partner to complete the booking; we earn a small affiliate commission at no extra cost to you.
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