Cheap flights from Seoul to Boston

Seoul
SEL
Logan
BOS

Flight deals from Seoul to Boston

Below you can see the best deals on flights Seoul — Boston for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 15 September, from $475.

Top 10 cheap flights from Seoul to Boston

UA
UA
UA
DL
$ 472

Seoul — Boston

11:30—07:15
22 Sep 2026
32 h 45 m
3 stops
UA
UA
UA
DL
$ 472

Seoul — Boston

11:30—07:15
22 Sep 2026
32 h 45 m
3 stops
UA
UA
UA
DL
$ 472

Seoul — Boston

11:30—07:24
22 Sep 2026
32 h 54 m
3 stops
UA
UA
UA
DL
$ 472

Seoul — Boston

11:30—07:24
22 Sep 2026
32 h 54 m
3 stops
UA
UA
UA
DL
$ 472

Seoul — Boston

11:30—08:23
22 Sep 2026
33 h 53 m
3 stops
UA
UA
UA
DL
$ 472

Seoul — Boston

11:30—08:23
22 Sep 2026
33 h 53 m
3 stops
UA
UA
UA
DL
$ 472

Seoul — Boston

11:30—23:17
15 Sep 2026
24 h 47 m
3 stops
UA
UA
UA
DL
$ 472

Seoul — Boston

11:30—07:24
15 Sep 2026
32 h 54 m
3 stops
UA
DL
$ 475

Seoul — Boston

17:15—07:24
23 Sep 2026
27 h 9 m
1 stop
UA
DL
$ 475

Seoul — Boston

17:15—10:54
23 Sep 2026
30 h 39 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Seoul — Boston flight

Looking for cheap flights from Seoul to Boston? Compare fares from different airlines, check the flight schedule and travel time — and book your Seoul — Boston ticket online at the best price.

The route has direct flights — around 15 flights per week, flights are operated by Korean Air, Delta, a nonstop flight takes about 13 h 50 min, the distance between the cities is around 10,969 km.

Planning your trip? You may find our Boston travel guide, how to get from the airport into town and Boston weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $475Min. price
SeptemberCheapest
DecemberPeak season
YesDirect flights
10,969 kmDistance
13 h 50 minTravel time
2Airlines
15 / wkFlights

Flight schedule from Seoul to Boston

The table shows direct flights from Seoul to Boston on the selected date. The flight takes approximately 13 h 50 min. Regular flights are operated by Korean Air and Delta. Departures from Incheon International Airport and Gimpo International Airport airports, arrivals at Logan International Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 25 Aug 2026

Flight ticket prices by day: Seoul — Boston

Below is a calendar of the lowest flight ticket prices for Seoul — Boston by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $475 in September, and the most expensive are around $754 in December. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Seoul to Boston by month. Tickets are usually cheapest in November (around $798) and priciest in July (about $1,140) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$832lowMay$934mediumSep$946medium
Feb$832lowJun$1,083highOct$912medium
Mar$969mediumJul$1,140highNov$798low
Apr$1,026highAug$1,094highDec$1,105high

Some values are estimated based on seasonality.

When to fly

Weather in Boston: it is warmest in July (up to 28 °C on average) and coolest in January (around 3 °C). The driest month is September.

Tickets are usually cheapest in September and most expensive in December. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Boston

Dry and wet days · Boston

Wind speed and direction · Boston

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How to get the best deal on a Seoul — Boston ticket

  • Book ahead: fares for Seoul — Boston are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Seoul is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Boston is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Seoul — Boston route are operated by 2 airlines; Korean Air runs the most flights (around 93% of all flights). Compare carriers, flight shares and schedules below.

  • Korean AirKE
    5x/week
    WebsiteFleet: 16025M pax/year
    • Direct flight ICN → BOS5x/week
      Duration
      13h 45m
      Days
      MTWTFSS
    93.3%Open →
  • DeltaDL
    1x/week
    WebsiteFleet: 986190M pax/year
    • Direct flight ICN → BOS1x/week
      Duration
      13h
      Days
      MTWTFSS
    6.7%Open →

Cities and airports on the Seoul — Boston route

Flights Seoul — Boston depart from Incheon International Airport and Gimpo International Airport and arrive at Logan International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Seoul

SEL
Korea, Republic Of
About the cityHow to get thereWeatherAll about the country Korea, Republic Of
Arrival

Boston

BOS
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the Seoul — Boston flight

How long is the flight from Seoul to Boston?

A nonstop Seoul — Boston flight takes about 13 h 50 min — the distance between the cities is around 10,969 km.

How far is it from Seoul to Boston?

The distance from Seoul to Boston is about 10,969 km, which a nonstop flight covers in around 13 h 50 min.

Are there direct flights from Seoul to Boston?

Yes, there are nonstop flights Seoul — Boston — around 15 flights per week.

Which airlines fly from Seoul to Boston?

Airlines operating Seoul — Boston include Korean Air, Delta. See the full list with schedules in the "Airlines" section on this page.

Which airports do Seoul — Boston flights use?

Flights from Seoul depart from Incheon International Airport, Gimpo International Airport, and arrive at Logan International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Seoul to Boston?

The price of a Seoul — Boston ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in December. Tickets typically cost between $475 and $754. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Seoul — Boston?

Flights Seoul — Boston are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Seoul to Boston?

To catch a low fare Seoul — Boston, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Seoul

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Where else you can fly from Boston

See all
New York CityWashington, D.C.ChicagoTorontoSan FranciscoAtlantaSeattleLos AngelesPhiladelphiaNantucketLondonDallasOrlandoDenverFort LauderdaleDetroitCharlotteRaleighMontrealNashvilleMarthas VineyardMiamiMinneapolisBuffaloSan DiegoPhoenixMadridTampaPittsburghClevelandBarcelonaIndianapolisSan JuanHoustonDublinParisLas VegasAustinRichmondCincinnati

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