Narita to Seoul (NRT–ICN) — Airlines, Schedules & Connections

NRT Airport Page →
781 mi airlines 365/wk
On-time Some delays Frequent delays
Flight Schedule 109 flights Verified 1h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
ZG45
ZG Viva Macau
788
8:55 AM
JST T1
11:25 AM
KST
2h 30m
M T W T F S S
Prices
NH6977cs
NH All Nippon
333
9:00 AM
JST T1
11:35 AM
KST
2h 35m
M T W T F S S
Prices
EY8473cs
EY Etihad
333
9:00 AM
JST T1
11:30 AM
KST
2h 30m
M T W T F S S
Prices
OZ107+3
OZ Asiana
333
9:00 AM
JST T1
11:30 AM
KST
2h 30m
M T W T F S S
Prices
JL5201cs
JL Japan
773
9:15 AM
JST T1
12:00 PM
KST
2h 45m
M T W T F S S
Prices
VS5504cs
VS Virgin Atlantic
32Q
9:20 AM
JST T1
11:45 AM
KST
2h 25m
M T W T F S S
Prices
KE706+4
KE Korean
32Q
9:20 AM
JST T1
11:45 AM
KST
2h 25m
M T W T F S S
Prices
7C1174
7C Jeju
7M8
10:45 AM
JST T3
1:35 PM
KST
2h 50m
M T W T F S S
Prices
ZE606
ZE Eastar Jet
738
10:50 AM
JST T3
1:30 PM
KST
2h 40m
M T W T F S S
Prices
BX163
BX Air Busan
321
11:10 AM
JST TT1
1:55 PM
KST
2h 45m
M T W T F S S
Prices
LJ202+1
LJ Jin
738
11:10 AM
JST TT1
1:40 PM
KST
2h 30m
M T W T F S S
Prices
ZE602
ZE Eastar Jet
738
11:30 AM
JST TT3
2:15 PM
KST
2h 45m
M T W T F S S
Prices
7C1102
7C Jeju
738
11:40 AM
JST T3
2:30 PM
KST
2h 50m
M T W T F S S
Prices
LJ204
LJ Jin
772
11:45 AM
JST T1
2:10 PM
KST
2h 25m
M T W T F S S
Prices
TW242
TW T'way
738
12:05 PM
JST TT2
2:55 PM
KST
2h 50m
M T W T F S S
Prices
YP732
YP Aerea
789
12:30 PM
JST T2
3:10 PM
KST
2h 40m
M T W T F S S
Prices
RS706
RS Skyside
321
12:46 PM
JST T1
3:28 PM
KST
2h 42m
M T W T F S S
Prices
OZ101+4
OZ Asiana
388
12:50 PM
JST T1
3:25 PM
KST
2h 35m
M T W T F S S
Prices
RS702
RS Skyside
321
12:50 PM
JST T1
3:30 PM
KST
2h 40m
M T W T F S S
Prices
YP734
YP Aerea
789
1:05 PM
JST T2
3:40 PM
KST
2h 35m
M T W T F S S
Prices
7C1176
7C Jeju
738
1:15 PM
JST T3
4:05 PM
KST
2h 50m
M T W T F S S
Prices
NZ4061cs
NZ Air New Zealand
388
1:20 PM
JST T1
3:55 PM
KST
2h 35m
M T W T F S S
Prices
LJ206
LJ Jin
738
1:25 PM
JST T1
3:55 PM
KST
2h 30m
M T W T F S S
Prices
WE502
WE Parata
332
1:30 PM
JST T2
4:15 PM
KST
2h 45m
M T W T F S S
Prices
7C1104
7C Jeju
7M8
1:55 PM
JST T3
4:45 PM
KST
2h 50m
M T W T F S S
Prices
JL5205cs
JL Japan
781
2:00 PM
JST T1
4:40 PM
KST
2h 40m
M T W T F S S
Prices
KE704+3
KE Korean
781
2:00 PM
JST T1
4:30 PM
KST
2h 30m
M T W T F S S
Prices
TW244
TW T'way
738
2:20 PM
JST TT2
5:10 PM
KST
2h 50m
M T W T F S S
Prices
WE504
WE Parata
332
3:20 PM
JST T2
5:55 PM
KST
2h 35m
M T W T F S S
Prices
KE8720
KE Korean
32Q
3:50 PM
JST T1
6:25 PM
KST
2h 35m
M T W T F S S
Prices
KE708
KE Korean
32Q
4:10 PM
JST T1
6:40 PM
KST
2h 30m
M T W T F S S
Prices
OZ103
OZ Asiana
32Q
4:30 PM
JST T1
7:10 PM
KST
2h 40m
M T W T F S S
Prices
7C1106
7C Jeju
7M8
4:50 PM
JST T3
7:40 PM
KST
2h 50m
M T W T F S S
Prices
JL5251cs
JL Japan
74H
5:10 PM
JST T1
7:55 PM
KST
2h 45m
M T W T F S S
Prices
7C1172
7C Jeju
738
5:15 PM
JST T3
8:10 PM
KST
2h 55m
M T W T F S S
Prices
KE712+3
KE Korean
32Q
5:20 PM
JST T1
8:00 PM
KST
2h 40m
M T W T F S S
Prices
ZE608
ZE Eastar Jet
738
5:30 PM
JST T3
8:20 PM
KST
2h 50m
M T W T F S S
Prices
YP736
YP Aerea
789
5:40 PM
JST T2
8:25 PM
KST
2h 45m
M T W T F S S
Prices
ZE604
ZE Eastar Jet
738
6:30 PM
JST T3
9:15 PM
KST
2h 45m
M T W T F S S
Prices
7C1108
7C Jeju
7M8
6:30 PM
JST T3
9:20 PM
KST
2h 50m
M T W T F S S
Prices
TW246
TW T'way
7M8
6:55 PM
JST TT2
9:45 PM
KST
2h 50m
M T W T F S S
Prices
LJ210
LJ Jin
772
7:04 PM
JST TT1
9:36 PM
KST
2h 32m
M T W T F S S
Prices
LJ212
LJ Jin
772
7:15 PM
JST T1
9:45 PM
KST
2h 30m
M T W T F S S
Prices
NZ4055cs
NZ Air New Zealand
32Q
7:35 PM
JST T1
10:25 PM
KST
2h 50m
M T W T F S S
Prices
OZ105+4
OZ Asiana
32Q
7:45 PM
JST T1
10:15 PM
KST
2h 30m
M T W T F S S
Prices
7C1110
7C Jeju
738
7:50 PM
JST T3
10:40 PM
KST
2h 50m
M T W T F S S
Prices
BX165
BX Air Busan
321
7:55 PM
JST T1
10:35 PM
KST
2h 40m
M T W T F S S
Prices
NH5341
NH All Nippon
788
7:55 PM
JST T1
10:35 PM
KST
2h 40m
M T W T F S S
Prices
LJ214
LJ Jin
738
8:00 PM
JST TT1
10:35 PM
KST
2h 35m
M T W T F S S
Prices
RS704
RS Skyside
321
8:10 PM
JST T1
10:50 PM
KST
2h 40m
M T W T F S S
Prices
LH8387+1
LH Lufthansa
77X
8:25 PM
JST
11:00 PM
KST
2h 35m
M T W T F S S
Prices
LH8385
LH Lufthansa
77X
8:25 PM
JST
11:00 PM
KST
2h 35m
M T W T F S S
Prices
JL5253cs
JL Japan
73H
8:40 PM
JST T1
11:25 PM
KST
2h 45m
M T W T F S S
Prices
ET673
ET Ethiopian
359
8:40 PM
JST T1
11:05 PM
KST
2h 25m
M T W T F S S
Prices
KE714+4
KE Korean
7M8
8:55 PM
JST T1
11:25 PM
KST
2h 30m
M T W T F S S
Prices
LH8383
LH Lufthansa
77X
9:40 PM
JST
12:15 AM+1
KST
2h 35m
M T W T F S S
Prices
TW248
TW T'way
7M8
9:45 PM
JST TT2
12:25 AM+1
KST
2h 40m
M T W T F S S
Prices
BX164
BX Air Busan
321
7:10 AM
KST TT2
10:10 AM
JST
3h
M T W T F S S
Prices
7C1173
7C Jeju
738
7:10 AM
KST T1
9:45 AM
JST
2h 35m
M T W T F S S
Prices
LJ201+1
LJ Jin
738
7:25 AM
KST TT2
9:55 AM
JST
2h 30m
M T W T F S S
Prices
ZE605
ZE Eastar Jet
738
7:25 AM
KST T1
9:50 AM
JST
2h 25m
M T W T F S S
Prices
LJ203
LJ Jin
772
7:55 AM
KST T2
10:35 AM
JST
2h 40m
M T W T F S S
Prices
ZE601
ZE Eastar Jet
738
8:00 AM
KST T1
10:30 AM
JST
2h 30m
M T W T F S S
Prices
RS705
RS Skyside
321
8:10 AM
KST T2
10:40 AM
JST
2h 30m
M T W T F S S
Prices
7C1101
7C Jeju
738
8:10 AM
KST T1
10:40 AM
JST
2h 30m
M T W T F S S
Prices
NZ4060cs
NZ Air New Zealand
388
8:25 AM
KST T2
10:50 AM
JST
2h 25m
M T W T F S S
Prices
OZ102+4
OZ Asiana
388
8:25 AM
KST T2
10:50 AM
JST
2h 25m
M T W T F S S
Prices
EY8453cs
EY Etihad
388
8:25 AM
KST T2
10:50 AM
JST
2h 25m
M T W T F S S
Prices
TW241
TW T'way
738
8:35 AM
KST TT1
11:05 AM
JST
2h 30m
M T W T F S S
Prices
YP731
YP Aerea
789
8:50 AM
KST T1
11:20 AM
JST
2h 30m
M T W T F S S
Prices
NH6972cs
NH All Nippon
388
9:00 AM
KST T2
11:20 AM
JST
2h 20m
M T W T F S S
Prices
RS701
RS Skyside
321
9:20 AM
KST T2
11:50 AM
JST
2h 30m
M T W T F S S
Prices
YP733
YP Aerea
789
9:25 AM
KST T1
11:55 AM
JST
2h 30m
M T W T F S S
Prices
LJ205
LJ Jin
738
9:45 AM
KST T2
12:15 PM
JST
2h 30m
M T W T F S S
Prices
7C1175
7C Jeju
738
9:45 AM
KST T1
12:15 PM
JST
2h 30m
M T W T F S S
Prices
WE501
WE Parata
332
9:50 AM
KST T1
12:00 PM
JST
2h 10m
M T W T F S S
Prices
JL5202cs
JL Japan
789
9:55 AM
KST T2
12:25 PM
JST
2h 30m
M T W T F S S
Prices
KE703+3
KE Korean
781
10:10 AM
KST T2
12:40 PM
JST
2h 30m
M T W T F S S
Prices
TW243
TW T'way
738
10:20 AM
KST T1
12:55 PM
JST
2h 35m
M T W T F S S
Prices
7C1103
7C Jeju
7M8
10:25 AM
KST T1
12:55 PM
JST
2h 30m
M T W T F S S
Prices
WE503
WE Parata
332
11:20 AM
KST T1
1:50 PM
JST
2h 30m
M T W T F S S
Prices
OZ104
OZ Asiana
32Q
12:20 PM
KST T2
2:55 PM
JST
2h 35m
M T W T F S S
Prices
KE707
KE Korean
32Q
12:40 PM
KST T2
3:10 PM
JST
2h 30m
M T W T F S S
Prices
ZG46
ZG Viva Macau
788
12:55 PM
KST
3:30 PM
JST
2h 35m
M T W T F S S
Prices
KE711+4
KE Korean
32Q
1:00 PM
KST T2
3:35 PM
JST
2h 35m
M T W T F S S
Prices
JL5250cs
JL Japan
789
1:15 PM
KST T2
3:45 PM
JST
2h 30m
M T W T F S S
Prices
7C1105
7C Jeju
7M8
1:20 PM
KST T1
3:50 PM
JST
2h 30m
M T W T F S S
Prices
YP735
YP Aerea
789
1:44 PM
KST T1
3:47 PM
JST
2h 3m
M T W T F S S
Prices
7C1171
7C Jeju
738
1:45 PM
KST T1
4:15 PM
JST
2h 30m
M T W T F S S
Prices
ZE607
ZE Eastar Jet
738
2:10 PM
KST T1
4:30 PM
JST
2h 20m
M T W T F S S
Prices
LJ209
LJ Jin
772
2:45 PM
KST TT2
5:15 PM
JST
2h 30m
M T W T F S S
Prices
TW245
TW T'way
7M8
3:00 PM
KST TT1
5:40 PM
JST
2h 40m
M T W T F S S
Prices
ZE603
ZE Eastar Jet
738
3:10 PM
KST T1
5:30 PM
JST
2h 20m
M T W T F S S
Prices
NZ4056cs
NZ Air New Zealand
359
3:35 PM
KST T2
5:55 PM
JST
2h 20m
M T W T F S S
Prices
LJ211
LJ Jin
7M8
3:35 PM
KST T2
6:05 PM
JST
2h 30m
M T W T F S S
Prices
7C1107
7C Jeju
7M8
3:44 PM
KST T1
5:50 PM
JST
2h 6m
M T W T F S S
Prices
OZ106+4
OZ Asiana
32Q
3:45 PM
KST T2
6:25 PM
JST
2h 40m
M T W T F S S
Prices
BX166
BX Air Busan
321
4:15 PM
KST TT2
6:55 PM
JST
2h 40m
M T W T F S S
Prices
LJ213
LJ Jin
738
4:20 PM
KST T2
7:00 PM
JST
2h 40m
M T W T F S S
Prices
7C1109
7C Jeju
738
4:20 PM
KST T1
6:50 PM
JST
2h 30m
M T W T F S S
Prices
NH5340
NH All Nippon
788
4:25 PM
KST T1
6:55 PM
JST
2h 30m
M T W T F S S
Prices
RS703
RS Skyside
321
4:45 PM
KST T2
7:10 PM
JST
2h 25m
M T W T F S S
Prices
JL5252cs
JL Japan
73H
4:55 PM
KST T2
7:30 PM
JST
2h 35m
M T W T F S S
Prices
KE713+3
KE Korean
7M8
5:15 PM
KST T2
7:45 PM
JST
2h 30m
M T W T F S S
Prices
ET672
ET Ethiopian
359
5:33 PM
KST T1
7:40 PM
JST
2h 7m
M T W T F S S
Prices
TW247
TW T'way
7M8
6:15 PM
KST T1
8:45 PM
JST
2h 30m
M T W T F S S
Prices
OZ108+3
OZ Asiana
333
6:30 PM
KST T2
9:00 PM
JST
2h 30m
M T W T F S S
Prices
KE705+5
KE Korean
32Q
6:35 PM
KST T2
9:05 PM
JST
2h 30m
M T W T F S S
Prices
JL5206cs
JL Japan
333
6:45 PM
KST T2
9:05 PM
JST
2h 20m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Narita to Seoul
12 carriers, 365 flights/week nonstop.
12 Airlines 365 Flights/wk 781 mi 2h 25m nonstop 89 1-stop hubs

NRT–ICN is served by 12 airlines with nonstop service. Jeju Air, Jin Air and Asiana Airlines lead the route. The flight covers 781 miles in approximately 2h 25m. Beyond nonstop, 89 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop NRT–ICN service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
7C Jeju Air 56 738, 7M8 2h50-2h55
LJ Jin Air Also: KE 39 738, 772 2h25-2h35 KE
OZ Asiana Airlines Also: EY, NH, NZ 28 32Q, 333, 388 2h30-2h40 Star Alliance EY, NH, NZ
ZE Eastar Jet 28 738 2h40-2h50
TW T'way Air 27 738, 7M8 2h40-2h50
RS Skyside 21 321 2h40-2h42
BX Air Busan 14 321 2h40-2h45
WE Parata Air 14 332 2h35-2h45
YP Aerea 14 789 2h35-2h45
ZG Viva Macau 7 788 2h30
ET Ethiopian Airlines 6 359 2h25 Star Alliance
NQ Air Japan 0
Aircraft on this route
321 Airbus A321 – BX, RS
32Q Airbus A321neo – KE, NZ, OZ, VS
332 Airbus A330-200 – WE
333 Airbus A330-300 – EY, NH, OZ
359 Airbus A350-900 – ET
388 Airbus A380-800 – NZ, OZ
738 Boeing 737-800 – 7C, LJ, TW, ZE
73H Boeing 737-800 (Winglets) – JL
74H Boeing 747-8 – JL
772 Boeing 777-200 – LJ
773 Boeing 777-300 – JL
77X Boeing 777-200ER – LH
781 Boeing 787-10 Dreamliner – JL, KE
788 Boeing 787-8 Dreamliner – NH, ZG
789 Boeing 787-9 Dreamliner – YP
7M8 Boeing 737 MAX 8 – 7C, KE, TW
Alliance coverage
Unaffiliated: 7C + BX + LJ + NQ + RS + TW + WE + YP + ZE + ZG (220 flights/wk, 87%)
Star Alliance: ET + OZ (34 flights/wk, 13%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, NRT to ICN direction.
Mon
53
flights
Tue
50
flights
Wed
52
flights
Thu
51
flights
Fri
52
flights
Sat
54
flights
Sun
53
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
57
Nonstop flights
365
Outbound / wk
349
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for NRT to ICN.
1-STOP
One-Stop Connections
89
Hubs
~5h
Fastest
~46h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
3,313
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

Other ways to reach Seoul from Narita

Nearby airports with service to Incheon International Airport.
Metric NRT→ICN IBR→ICN HND→ICN
Distance from NRT 29 mi 37 mi
Nonstop airlines 12 1 5
Weekly flights 365 3 28
Flight time 2h 25m 2h 35m 2h 30m
Airports within 200 miles of NRT with service to Incheon International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
0h
Seoul is 0 hours the same as Narita.
NRT: JST · ICN: KST

When it's 6:00 PM in Narita, it's 6:00 PM in Seoul.
Distance & Flight Time
781 mi / 1,257 km
Nonstop flight time is approximately 2h 25m to 2h 55m.
Visa & Entry

Japanese passport holders enter South Korea visa-free for up to 90 days. No fee, no advance registration. Passport must be valid for the duration of stay. K-ETA (Korea Electronic Travel Authorization) was required from 2021 to 2023 but has been suspended for Japanese nationals through the end of 2025. If K-ETA resumes, it costs KRW 10,000 (about JPY 1,100) and takes 24 to 72 hours to process at k-eta.go.kr.

Entry is fast. Immigration at Incheon (ICN) typically takes 15 to 30 minutes with automated gates available for repeat visitors who register biometrics. You need a return or onward ticket and may be asked about accommodation. No proof of funds is routinely requested for Japanese passport holders. The 90-day stay cannot be extended for tourism purposes.

Direct flights from Tokyo Narita and Haneda to Seoul Incheon run about 2 hours 30 minutes, with dozens of daily frequencies on ANA, JAL, Korean Air, Asiana, Peach, T'way, Jin Air, and Jeju Air. Osaka Kansai, Nagoya Centrair, and Fukuoka also have heavy direct service. South Korea uses the Korean won (KRW), trading at roughly 9.5 KRW per JPY. T-money transit cards cost KRW 4,000 at any convenience store and work on all Seoul buses, subway, and taxis. No vaccination requirements.

Getting to NRT

The Narita Express (N'EX) runs from Tokyo Station to Narita Airport in 60 minutes, with stops at Shinjuku, Shibuya, and Yokohama (¥3,070 one-way from Tokyo; discounted round-trip tickets available). Keisei Skyliner from Ueno takes 41 minutes to Terminal 1 (¥2,570); the faster option from east-side Tokyo. Keisei Limited Express is slower (80 min) but cheaper at ¥1,290.Limousine buses depart from major Tokyo hotels and stations for ¥3,200 and take 75–105 minutes depending on traffic. Taxis are extremely expensive (¥20,000–30,000+); avoid unless cost is no concern. The airport is 60 km from central Tokyo.

Getting from ICN

AREX Direct Train to Seoul Station (43 min, ₩11,000) is a reserved-seat express. The All-Stop train serves Hongik University, City Hall, and other inner-city stations (66 min, ₩4,550). T2 passengers board at a dedicated T2 stop before T1; don't exit early. City Check-in at Seoul Station allows bag drop and boarding pass printing before the train for select airlines.Limousine buses serve major hotel zones and neighborhoods (₩16,000–18,000). Taxis from ICN to central Seoul cost ₩65,000–90,000; use only official orange (general) or black (deluxe) cabs from the designated stands. KakaoTaxi (ride-hail) operates from the airport.

Seoul Climate

Humid continental climate. Winters are cold and dry (−8 to 2°C, December–February) with occasional snow and wind chill. ICN handles snow well, though heavy falls delay operations. Summer monsoon (Changma) runs late June through July with heavy continuous rain. Typhoons can affect operations August–September with short notice.

Spring brings Yellow Dust (hwangsa) from China. Fine particulate storms reduce visibility and occasionally disrupt flights in March–April. Autumn (October–November) is the best flying season: clear skies, low humidity, 8–18°C. Pack layers for spring and fall. Summer is hot and humid (25–32°C).

NRT–ICN Quick Facts

Key statistics for the Narita to Seoul route.
Route details
Distance781 mi / 1,257 km
Flight time2h 25m to 2h 55m
Time difference0 hours
Airlines (nonstop)12
Weekly flights365 out / 349 return
1-stop connections89 hubs
Origin: NRT
IATA / ICAONRT / RJAA
TimezoneAsia/Tokyo
Passengers/yr40.8M
Elevation141 ft / 43 m
Destination: ICN
IATA / ICAOICN / RKSI
TimezoneAsia/Seoul
Passengers/yr71.2M
Elevation23 ft / 7 m

Frequently Asked Questions

Common questions about NRT to ICN flights.
Nonstop flights from Narita International Airport to Incheon International Airport take approximately 2h 25m to 2h 55m. The route covers 781 miles.
12 airlines operate nonstop service: Jeju Air, Air Busan, Ethiopian Airlines, Jin Air, Air Japan, Asiana Airlines, Skyside, T'way Air, Parata Air, Aerea, Eastar Jet and Viva Macau. Plus 7 codeshare partners.
There are approximately 365 nonstop flights per week from NRT to ICN. The return direction has about 349 weekly flights.
Yes, 1-stop connections are available through CJU, OIT, NKG, KMI, WUH, XIY, FUK, CKG, KIX, KMJ, TAK, TAO, GUM, KOJ, ANC, DLC, SPN, ISG, HRB, MNL, HGH, TAE, CEB, CRK, NGO, CMB, PUS, TFU, SZX, BNE, SHE, HKG, MYJ, DAD, PEK, KHH, TAS, TPE, BKK, HAN, CAN, HNL, DPS, MEL, PVG, KUL, CTS, SIN, OKA, SGN, FOC, SEA, TSN, XMN, AKL, YVR, CGQ, UBN, CAI, CVG, YYC, MSP, VIE, MUC, MFM, NGS, AMS, RMQ, FRA, LHR, HAK, MAD, DOH, LAX, BWN, DEL, SFO, EWR, ZRH, HEL, CGK, ORD, IST, AUH, DXB, WAW, DFW, BOS and YYZ. These options provide additional schedule flexibility.
Yes, return flights from ICN to NRT are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include IBR, HND and FSZ. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.
Japan Airlines departs from Terminal 2 at Narita. ANA uses Terminal 1. Korean Air and Asiana Airlines operate from Terminal 1. Air Seoul and Jin Air use Terminal 3, the low-cost terminal. Terminal 3 is a separate building requiring an outdoor walk of about 500 meters from Terminal 2; allow extra time if departing from Terminal 3.
Haneda (HND) to Gimpo (GMP) is closer to both city centers and has a 2-hour block time versus 2 hours 30 minutes for NRT-ICN, but HND-GMP carries far fewer frequencies and fewer carrier options. NRT-ICN has broader schedules, more low-cost carriers, and better onward connections at Incheon. If your priority is downtown convenience, HND-GMP is faster door-to-door; if you need connecting flight options from Incheon, NRT-ICN has more utility.
Yes. The Incheon Airport Transit Hotel is located airside in both Terminals 1 and 2, accessible without clearing immigration. Terminal 1 has the original transit hotel on the 4th floor of the concourse. Terminal 2, which opened in 2018, has a separate transit hotel in the same landside/airside hybrid zone. Rooms are bookable in 4-hour blocks, making them practical for short layovers from Tokyo arrivals.

Tokyo Narita to Seoul Incheon: Northeast Asia's Busiest Short-Haul Corridor

NRT–ICN is one of the highest-frequency international routes in Asia, reflecting the deep economic, cultural, and tourism ties between Japan and South Korea. Japan Airlines, ANA, Korean Air, and Asiana operate the full-service segment, while Air Seoul, Jin Air, Jeju Air, Peach Aviation, and T'way Air fill out a robust low-cost tier. Combined weekly departures typically exceed 200, making this corridor more densely served than many comparable distance domestic routes. Block time is 2 hours 30 minutes westbound and 2 hours 10 minutes eastbound with prevailing winds.

Incheon as a Long-Haul Hub

Incheon Airport consistently ranks as one of Asia's top-rated hub airports for transit efficiency. Korean Air and Asiana both operate major intercontinental networks from ICN, making the NRT–ICN route a practical first leg for Japan-based passengers connecting to North America, Europe, or Southeast Asia. Terminal 2 exclusively handles Korean Air and its partners (SkyTeam carriers), while Terminal 1 handles Asiana and all other carriers. The AREX Express Train connects Incheon to Seoul Station in 43 minutes for 9,500 won, with all-stop services also available at lower cost.