Boston (BOS) to Seoul (ICN)
Flight time
≈ 14h 26m
Bearing
346° N
Boston (BOS) to Seoul (ICN) is 6,813 miles (10,964 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BOS–ICN
US DOT T-100 · filed dataIn April 2026, Korean Air was the only carrier flying nonstop BOS–ICN; the Boeing 777-300ER was the most common aircraft at 100% of departures; flights ran 85% full.
Departures
60
April 2026
Seats
17,460
both directions
Passengers
14,900
both directions
Load factor
85.3%
passengers ÷ seats
Who flies BOS–ICN?
Korean Air was the only carrier to fly nonstop BOS–ICN in April 2026 (60 departures).
- KE
Korean Air
60 departures · 17,460 seats
Share of departures100.0%85.3%
Load
What plane flies BOS–ICN?
In April 2026, the Boeing 777-300ER flew 100% of BOS–ICN departures.
- Boeing 777-300ER
60 departures · 85.3% load
100.0%
How has BOS–ICN traffic changed?
Nonstop BOS–ICN departures fell from 62 in May 2025 to 60 in April 2026.
Monthly nonstop BOS–ICN traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
62 departures · 15,394 passengers
89.6%
Load
June 2025
60 departures · 13,973 passengers
84.1%
Load
July 2025
62 departures · 14,207 passengers
82.7%
Load
August 2025
60 departures · 14,476 passengers
87.1%
Load
September 2025
60 departures · 12,924 passengers
77.8%
Load
October 2025
62 departures · 13,942 passengers
81.0%
Load
November 2025
60 departures · 13,896 passengers
83.5%
Load
December 2025
59 departures · 13,268 passengers
81.2%
Load
January 2026
58 departures · 13,837 passengers
86.1%
Load
February 2026
54 departures · 12,355 passengers
82.4%
Load
March 2026
62 departures · 15,944 passengers
92.2%
Load
April 2026
60 departures · 14,900 passengers
85.3%
Load
By direction
The DOT files each direction separately — they rarely match.
BOS → ICN
80.3% full
30 departures · 7,011 passengers
ICN → BOS
90.4% full
30 departures · 7,889 passengers
Nonstop BOS–ICN traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Seoul
KR
Incheon International Airport
Coordinates
37.47°N, 126.45°E
Hemisphere
N · E
Frequently asked
How far is Boston (BOS) from Seoul (ICN)?
BOS to ICN is 6,813 miles (10,964 km / 5,920 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BOS to ICN?
A nonstop covers the 6,813-mile great-circle distance in roughly 14h 26m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BOS–ICN?
In April 2026, the Boeing 777-300ER flew the largest share of departures (100.0%).
What mileage do I earn flying BOS–ICN?
Distance-based programs credit off the 6,813-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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