Originfacts

Flight route

Flights from Seoul (ICN) to Tokyo (NRT)

Distance, flight time and the airlines in Originfacts’ route record for Seoul to Tokyo, the two airports, and partner fare tools. Each figure shows where it came from.

IATA code ICNFromSeoulIncheon International Airport, South Korea
1,257 km~1h 57m est.
IATA code NRTToTokyoNarita International Airport, Japan
In our route record:Delta Air LinesKorean AirAll Nippon AirwaysAsiana AirlinesUnited AirlinesEastar Jet
Find flights ICN → NRT

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Route record, updated 21 May 2026Where this comes from

ICN → NRT at a glance

  • Distance

    1,257 km

    About 781 miles: the great-circle distance between the two airports’ coordinates.

    Route record · checked against coordinates

  • Flight time

    ~1h 57m

    An estimate, not a timetable. The airline’s schedule gives the actual time.

    Route record estimate

  • Time difference

    None

    ICN and NRT are both on UTC+9 today. ICN: Asia/Seoul (UTC+9) · NRT: Asia/Tokyo (UTC+9)

    Calculated from IANA time zonesTime zones: Time difference

  • Airlines in route record

    6

    Delta Air Lines, Korean Air, All Nippon Airways, Asiana Airlines, United Airlines and Eastar Jet

    Originfacts route recordSee airlines: Airlines in route record

  • Return route

    NRT → ICN

    Flights from Tokyo back to Seoul.

    Originfacts route recordRelated routes: Return route

Airlines on the ICN–NRT route

Route record · 21 May 2026

The airlines Originfacts’ route record lists for ICN–NRT, after leaving out carriers listed only through a recycled airline code or as a codeshare. It is not a full schedule and does not say which airlines fly nonstop; check current flights with the airline.

Baggage and check-in rules are each airline’s general rules, read from its own site on the date shown. They are not specific to this route, and your fare type can change them: check your booking.

Fare calendar and schedule for ICN → NRT

Partner tools · indicative

Two tools from Aviasales, our flight-search partner. They load only if you allow advertising cookies. Prices in them come from recent searches and are indicative, not quotes; the fare on the booking page can differ. The schedule shows flights in the partner’s data, including codeshares sold by other airlines.

Fare calendar

This price calendar is provided by our partner Travelpayouts (Aviasales) and sets cookies.

Or search on flights.originfacts.com, our partner’s site

Flight schedule

This flight schedule is provided by our partner Travelpayouts (Aviasales) and sets cookies.

Or search on flights.originfacts.com, our partner’s site

The airports: Incheon International Airport and Narita International Airport

Airport records · OurAirports · Wikidata

Each airport guide lists the airport’s codes, location and time zone, any other routes and airlines Originfacts tracks from ICN or NRT, current weather and nearby airports, and where to check terminal and transport details.

Weather in Tokyo: average high, low and rain by month

NASA POWER · modelled · 2016–2025

Averages of NASA POWER (opens in a new tab) daily values for 2016–2025 at 35.77°, 140.39° near NRT (MERRA-2 reanalysis grid, about 50 km cells), worked out by Originfacts. Modelled, not weather-station readings or a forecast.

In October, Tokyo averages a daily high of 22°C and a low of 17°C, with about 210 mm of rain over the month.

Average daily high and low temperature and average monthly rain near NRT, 2016–2025
MonthHighLowRain
Jan9°C4°C48 mm
Feb10°C4°C46 mm
Mar14°C7°C134 mm
Apr18°C11°C133 mm
May22°C15°C162 mm
Jun24°C19°C197 mm
Jul28°C23°C169 mm
Aug30°C25°C177 mm
Sep27°C22°C217 mm
Octthis month22°C17°C210 mm
Nov17°C11°C89 mm
Dec12°C6°C53 mm

Tokyo airport guide

Getting to and from ICN and NRT

Not yet verified

Ground transport, terminals and parking at either airport have not been checked against the airports’ own pages yet, so none are listed here.

Check directly:airport.kr (opens in a new tab)narita-airport.jp (opens in a new tab)

Seoul to Tokyo: common questions

Which airlines fly from Seoul to Tokyo?

Originfacts’ route record for ICN–NRT lists Delta Air Lines, Korean Air, All Nippon Airways, Asiana Airlines, United Airlines and Eastar Jet. It is not a full schedule; check current flights with the airline before booking.

How far is Seoul from Tokyo by air?

About 1,257 km, the great-circle distance between Incheon International Airport and Narita International Airport.

How long is the flight from Seoul (ICN) to Tokyo (NRT)?

The Originfacts route record estimates about 1h 57m nonstop. It is an estimate, not a timetable: the airline’s schedule gives the actual flight time.

Is there a time difference between Seoul and Tokyo?

No. Both airports are on UTC+9 today (time zones Asia/Seoul and Asia/Tokyo).

Sources

Where each part of this page comes from
  • Distance, flight-time estimateOriginfacts route record, checked against the great-circle distance between the airport coordinates21 May 2026
  • AirlinesOriginfacts route record, leaving out carriers listed only through a recycled airline code or as a codeshare21 May 2026
  • Baggage and check-inEach airline’s own pages, via the Originfacts airline fact files; only checked values are shown5 Oct 2026 – 6 Oct 2026
  • Airport codes, time zonesOriginfacts airport records2 May 2026
  • Time differenceCalculated from each airport’s IANA time zone, with daylight saving applied for today’s dateToday
  • Airport websitesWikidata (official website property)—
  • Airport size class, runwaysOurAirports (opens in a new tab) open data (public domain); the size class is OurAirports’ own, not an official category5 Oct 2026
  • Airport opened, operator, passengersWikidata (CC0), each airport’s own item; passenger figures are the latest year recorded there, with its reference where Wikidata gives one5 Oct 2026
  • Weather in TokyoNASA POWER (opens in a new tab) daily data (MERRA-2 reanalysis), averaged by month by Originfacts. Modelled, not weather-station readings2016–2025
  • Fare calendar, scheduleAviasales widgets, loaded with advertising consentLive

Schedules, fares and airline rules change. Confirm with the airline before you travel.