International route
Cheap flights from Boston to Seoul
Boston Logan International Airport (BOS) to Incheon International Airport (ICN). 6,813 miles, 13h 40m nonstop.
BOS to ICN at a glance
Computed from airline schedules and the fares we track for this route. Refreshed several times a day.
- Distance
- 6,813 milesgreat-circle
- Typical flight time
- 13h 40mnonstop, gate to gate
- Nonstop airlines
- KEOZ2 airlinesKorean Air, Asiana
- Nonstop flights per day
- 2all airlines combined
- Cheapest month
- January 2027over the next six months
- Best day to fly
- Tuesday19% less than Sunday
- Time difference
- 13h aheadSeoul vs Boston
Boston to Seoul
Round trips from $475
Per traveler, taxes and fees included. Lowest fare we found departs Wed, Jan 27.
Cheapest month: January 2027
See fares on these datesLock any fare free — pay only when you accept your last-minute deal
Or ask an agent on WhatsAppBoston to Seoul fares by month
Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.
Airlines flying Boston to Seoul
2 airlines fly nonstop with 2 departures a day combined, plus 18 more with one stop.
- OZAsiana AirlinesStar AllianceNonstop · 1 flight a day · first checked bag included
- KEKorean AirSkyTeamNonstop · 1 flight a day · first checked bag included
- AMAeroméxicoSkyTeamConnecting via MEX · first checked bag from $40
- ACAir CanadaStar AllianceConnecting via YVR, YUL · first checked bag from $35
- AFAir FranceSkyTeamConnecting via ORY · first checked bag from $75
- AIAir IndiaStar AllianceConnecting via DEL · first checked bag included
- ASAlaska AirlinesoneworldConnecting via SEA, PDX, SFO, LAX · first checked bag from $35
- AAAmerican AirlinesoneworldConnecting via DFW, ORD, PHX, LAX · first checked bag from $40
- BABritish AirwaysoneworldConnecting via LGW · first checked bag from $75
- CXCathay PacificoneworldConnecting via HKG · first checked bag included
- DLDelta Air LinesSkyTeamConnecting via MSP, DTW, LGA · first checked bag from $35
- LYEl AlConnecting via TLV · first checked bag from $80
- BREVA AirStar AllianceConnecting via TPE · first checked bag included
- JLJapan AirlinesoneworldConnecting via HND, NRT, KIX · first checked bag included
- B6JetBlueConnecting via MCO, LAX, SJU · first checked bag from $40
- KLKLM Royal Dutch AirlinesSkyTeamConnecting via AMS · first checked bag from $75
- PRPhilippine AirlinesConnecting via MNL · first checked bag included
- UAUnited AirlinesStar AllianceConnecting via ORD, DEN, IAH, IAD · first checked bag from $40
- VBVivaLow-costConnecting via MTY, CUN · first checked bag from $45
- Y4VolarisLow-costConnecting via MEX · first checked bag from $45
Connecting options
Hubs where one airline can carry you on both legs, most choices first.
- Los Angeles (LAX)AAB6AS3 airlines
- Chicago (ORD)AAUA2 airlines
- Mexico City (MEX)AMY42 airlines
- Dallas (DFW)AA1 airline
- Phoenix (PHX)AA1 airline
Tips for this route
- Only Korean Air and Asiana fly this route nonstop, which keeps nonstop fares firm. A one-stop itinerary through LAX or ORD is usually cheaper if you can spare the extra three to five hours.
- January 2027 is the cheapest month to fly over the next six months, with round trips from $475; September 2026 is the most expensive at $592 and up, a difference of $117 per traveler.
- Departing on a Tuesday averages 19% less than a Sunday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
- Book 2 to 5 months ahead for the best fares; long-haul seats sell out earliest for summer and holiday travel.
- Seoul is 13 hours ahead of Boston. Expect to lose 13 hours on the clock heading east, so an overnight or late-afternoon departure tends to arrive at a more usable hour.
Ready to compare live fares?
See every airline on BOS–ICN side by side with bags and seat rules spelled out.
Search Boston to SeoulBoston to Seoul: common questions
How long is the flight from Boston to Seoul?
A nonstop flight from Boston (BOS) to Seoul (ICN) takes about 13h 40m gate to gate, covering 6,813 miles. Connecting itineraries add the layover, typically 2 to 5 hours more in total.
Which airlines fly nonstop from BOS to ICN?
Korean Air and Asiana Airlines operate nonstop flights from Boston (BOS) to Seoul (ICN), with 2 nonstop departures a day between them. One-stop options connect through LAX, ORD and MEX.
What is the cheapest month to fly from Boston to Seoul?
Over the next six months, January 2027 has the lowest round-trip fares from Boston (BOS) to Seoul (ICN), starting at $475 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.
How far in advance should I book Boston to Seoul flights?
Book 2 to 5 months ahead for the best fares; long-haul seats sell out earliest for summer and holiday travel. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.
What is the time difference between Boston and Seoul?
Seoul is 13 hours ahead of Boston. BOS is on America/New York time and ICN on Asia/Seoul time. Departure and arrival times in search results are always shown in local time at each airport.
Related routes
Other popular city pairs from the same departure city and to the same destination, with the lowest round-trip fares we found.