Flight route
Flights from Tokyo (NRT) to Seoul (ICN)
Distance, flight time and the airlines in Originfacts’ route record for Tokyo to Seoul, the two airports, and partner fare tools. Each figure shows where it came from.
Delta Air Lines
Korean Air
All Nippon Airways
Asiana Airlines
United Airlines
Eastar JetOpens our flight-search partner. We may earn a commission when you book, at no cost to you.
NRT → ICN at a glance
Distance
1,257 km
About 781 miles: the great-circle distance between the two airports’ coordinates.
Route record · checked against coordinatesFlight time
~1h 57m
An estimate, not a timetable. The airline’s schedule gives the actual time.
Route record estimateTime difference
None
NRT and ICN are both on UTC+9 today. NRT: Asia/Tokyo (UTC+9) · ICN: Asia/Seoul (UTC+9)
Calculated from IANA time zonesTime zones: Time differenceAirlines 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 recordReturn route
ICN → NRTFlights from Seoul back to Tokyo.
Originfacts route recordRelated routes: Return route
Airlines on the NRT–ICN route
The airlines Originfacts’ route record lists for NRT–ICN, 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.
- Cabin bag size
- 56 x 35 x 23 cm (22 x 14 x 9 in)delta.com (opens in a new tab)· checked 6 Oct 2026
- Cabin bag weight
- Economy: No weight limit on most routes (except Singapore max 7 kg, Beijing/Shanghai max 10 kg)delta.com (opens in a new tab)· checked 6 Oct 2026
- Business & First: No weight limit on most routes (except Singapore max 7 kg, Beijing/Shanghai max 10 kg)delta.com (opens in a new tab)· checked 6 Oct 2026
- Checked bag
- Economy: 1 piece up to 23 kg (50 lbs) on transatlantic/transpacific; $35 for 1st bag on US domestic Basic/Maindelta.com (opens in a new tab)· checked 6 Oct 2026
- Online check-in
- 24 hours before scheduled departure via delta.com or Fly Delta appdelta.com (opens in a new tab)· checked 6 Oct 2026
- Cabin bag size
- 55 x 40 x 20 cmkoreanair.com (opens in a new tab)· checked 6 Oct 2026
- Cabin bag weight
- Economy: 1 piece up to 10 kg + 1 personal itemkoreanair.com (opens in a new tab)· checked 6 Oct 2026
- Business & First: 2 pieces up to 18 kg total + 1 personal itemkoreanair.com (opens in a new tab)· checked 6 Oct 2026
- Checked bag
- Economy: 1 piece up to 23 kg (50 lbs) (2 pieces on US/Canada routes)koreanair.com (opens in a new tab)· checked 6 Oct 2026
- Online check-in
- 48 hours before departure (24 hours for US/Canada departures)koreanair.com (opens in a new tab)· checked 6 Oct 2026
- Cabin bag size
- Up to 55 x 40 x 25 cm and 115 cm in total, wheels and handles included; on aircraft with fewer than 100 seats, 45 x 35 x 20 cm and 100 cmana.co.jp (opens in a new tab)· checked 5 Oct 2026
- Cabin bag weight
- 10 kg total for the carry-on bag and personal item togetherana.co.jp (opens in a new tab)· checked 5 Oct 2026
- Checked bag
- Economy: 0 to 2 bags depending on the fare, up to 23 kg (50 lb) eachana.co.jp (opens in a new tab)· checked 5 Oct 2026
- Online check-in
- 24 hours before departure; boarding passes until 60 minutes before international flights and 20 minutes before Japan domestic flightsana.co.jp (opens in a new tab)· checked 5 Oct 2026
- Cabin bag size
- 55 x 40 x 20 cmflyasiana.com (opens in a new tab)· checked 6 Oct 2026
- Cabin bag weight
- Economy: 1 piece up to 10 kg + 1 personal itemflyasiana.com (opens in a new tab)· checked 6 Oct 2026
- Business & First: 2 pieces up to 10 kg each + 1 personal item (Business Smartium / Business Suite)flyasiana.com (opens in a new tab)· checked 6 Oct 2026
- Business: 2 carry-on bags up to 10 kg each, plus 1 personal itemflyasiana.com (opens in a new tab)· checked 5 Oct 2026
- Checked bag
- Economy: 1 piece up to 23 kg (50 lbs) (2 pieces on Americas routes)flyasiana.com (opens in a new tab)· checked 6 Oct 2026
- Online check-in
- 48 hours before departure (24 hours for US/Canada flights)flyasiana.com (opens in a new tab)· checked 6 Oct 2026
- Cabin bag size
- 56 x 35 x 23 cm (22 x 14 x 9 in)united.com (opens in a new tab)· checked 6 Oct 2026
- Cabin bag weight
- Economy: 1 carry-on bag + 1 personal item included (except Basic Economy on domestic/short-haul which includes personal item only)united.com (opens in a new tab)· checked 6 Oct 2026
- Business & First: 1 carry-on bag + 1 personal item includedunited.com (opens in a new tab)· checked 6 Oct 2026
- Checked bag
- Economy: 1 piece up to 23 kg (50 lbs) on transpacific/transatlantic; $35-$40 for 1st bag on US domesticunited.com (opens in a new tab)· checked 6 Oct 2026
- Online check-in
- 24 hours before scheduled departure via united.com or United appunited.com (opens in a new tab)· checked 6 Oct 2026
- Cabin bag size
- Not yet verified
- Cabin bag weight
- Not yet verified
- Checked bag
- Not yet verified
- Online check-in
- Not yet verified
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 NRT → ICN
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 siteFlight schedule
This flight schedule is provided by our partner Travelpayouts (Aviasales) and sets cookies.
Or search on flights.originfacts.com, our partner’s siteThe airports: Narita International Airport and Incheon International Airport
Departure
Narita International AirportNRT
- Codes
- NRT · RJAA (IATA · ICAO)
- Serves
- Tokyo, Japan
- Time zone
- Asia/Tokyo (UTC+9 today)
- Coordinates
- 35.770°, 140.390°
- Size class
- Large airport
- Runways
- 2, longest 4,000 m (16R/34L)
- Opened
- 20 May 1978
- Operator
- Narita International Airport Corporation
- Passengers
- 39.8 million in 2024
Size class, runways: OurAirports, 5 Oct 2026. Opened, operator, passengers: Wikidata (opens in a new tab), 5 Oct 2026 (passengers citing es.wikipedia.org (opens in a new tab)).
Arrival
Incheon International AirportICN
- Codes
- ICN · RKSI (IATA · ICAO)
- Serves
- Seoul, South Korea
- Time zone
- Asia/Seoul (UTC+9 today)
- Coordinates
- 37.450°, 126.450°
- Size class
- Large airport
- Runways
- 4, longest 4,000 m (16L/34R)
- Opened
- 29 March 2001
- Operator
- Incheon International Airport Corporation
- Passengers
- 74.1 million in 2025
Size class, runways: OurAirports, 5 Oct 2026. Opened, operator, passengers: Wikidata (opens in a new tab), 5 Oct 2026 (passengers citing airport.co.kr (opens in a new tab)).
Each airport guide lists the airport’s codes, location and time zone, any other routes and airlines Originfacts tracks from NRT or ICN, current weather and nearby airports, and where to check terminal and transport details.
Weather in Seoul: average high, low and rain by month
Averages of NASA POWER (opens in a new tab) daily values for 2016–2025 at 37.45°, 126.45° near ICN (MERRA-2 reanalysis grid, about 50 km cells), worked out by Originfacts. Modelled, not weather-station readings or a forecast.
In October, Seoul averages a daily high of 19°C and a low of 15°C, with about 88 mm of rain over the month.
| Month | High | Low | Rain |
|---|---|---|---|
| Jan | 2°C | -2°C | 21 mm |
| Feb | 3°C | -1°C | 26 mm |
| Mar | 8°C | 3°C | 42 mm |
| Apr | 13°C | 8°C | 61 mm |
| May | 17°C | 13°C | 100 mm |
| Jun | 22°C | 18°C | 136 mm |
| Jul | 26°C | 23°C | 295 mm |
| Aug | 28°C | 25°C | 270 mm |
| Sep | 25°C | 21°C | 160 mm |
| Octthis month | 19°C | 15°C | 88 mm |
| Nov | 12°C | 7°C | 57 mm |
| Dec | 5°C | 0°C | 30 mm |
Getting to and from NRT and ICN
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:narita-airport.jp (opens in a new tab)airport.kr (opens in a new tab)
Tokyo to Seoul: common questions
Which airlines fly from Tokyo to Seoul?
Originfacts’ route record for NRT–ICN 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 Tokyo from Seoul by air?
About 1,257 km, the great-circle distance between Narita International Airport and Incheon International Airport.
How long is the flight from Tokyo (NRT) to Seoul (ICN)?
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 Tokyo and Seoul?
No. Both airports are on UTC+9 today (time zones Asia/Tokyo and Asia/Seoul).
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 SeoulNASA 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.