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Cheap Flights from Boston to Seoul

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      Compare Boston to Seoul flight deals

      Find the cheapest month or even day of the year to fly to Seoul

      Book the best Seoul fare with no extra fees

      Flight deals from Boston to Seoul

      Looking for a cheap last-minute deal or the best round-trip flight from Boston to Seoul? If you want to travel next month, round-trip fares start from AED 3,446. Find the lowest prices on one-way and round-trip tickets right here.
      Seoul.AED 1,574 per passenger.Departing Wed, Aug 12.One-way flight with WestJet.Outbound indirect flight with WestJet, departing from Boston Logan International on Wed, Aug 12, arriving in Incheon International.Price includes taxes and charges.From AED 1,574, select.
      Seoul.AED 1,672 per passenger.Departing Sat, Oct 3.One-way flight with WestJet.Outbound indirect flight with WestJet, departing from Boston Logan International on Sat, Oct 3, arriving in Incheon International.Price includes taxes and charges.From AED 1,672, select.
      Seoul.AED 1,704 per passenger.Departing Sat, Sep 26.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departing from Boston Logan International on Sat, Sep 26, arriving in Incheon International.Price includes taxes and charges.From AED 1,704, select.
      Seoul.AED 1,892 per passenger.Departing Tue, Nov 10.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departing from Boston Logan International on Tue, Nov 10, arriving in Incheon International.Price includes taxes and charges.From AED 1,892, select.
      Seoul.AED 1,906 per passenger.Departing Tue, Dec 1.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departing from Boston Logan International on Tue, Dec 1, arriving in Incheon International.Price includes taxes and charges.From AED 1,906, select.
      Seoul.AED 1,950 per passenger.Departing Tue, Jul 21.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Boston Logan International on Tue, Jul 21, arriving in Incheon International.Price includes taxes and charges.From AED 1,950, select.
      Seoul.AED 2,282 per passenger.Departing Wed, Mar 10.One-way flight with Hainan Airlines.Outbound indirect flight with Hainan Airlines, departing from Boston Logan International on Wed, Mar 10, arriving in Gimpo International.Price includes taxes and charges.From AED 2,282, select.
      Seoul.AED 2,385 per passenger.Departing Sun, Jan 10.One-way flight with Hainan Airlines.Outbound indirect flight with Hainan Airlines, departing from Boston Logan International on Sun, Jan 10, arriving in Incheon International.Price includes taxes and charges.From AED 2,385, select.
      Seoul.AED 2,489 per passenger.Departing Sat, Feb 6.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departing from Boston Logan International on Sat, Feb 6, arriving in Incheon International.Price includes taxes and charges.From AED 2,489, select.
      Seoul.AED 2,517 per passenger.Departing Thu, Apr 1.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departing from Boston Logan International on Thu, Apr 1, arriving in Incheon International.Price includes taxes and charges.From AED 2,517, select.
      Seoul.AED 2,595 per passenger.Departing Thu, May 6.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Boston Logan International on Thu, May 6, arriving in Incheon International.Price includes taxes and charges.From AED 2,595, select.
      Seoul.AED 3,771 per passenger.Departing Tue, Jun 1.One-way flight with Delta.Outbound indirect flight with Delta, departing from Boston Logan International on Tue, Jun 1, arriving in Incheon International.Price includes taxes and charges.From AED 3,771, select.
      Seoul.AED 4,663 per passenger.Departing Wed, Nov 11.One-way flight with Korean Air.Outbound direct flight with Korean Air departing from Boston Logan International on Wed, Nov 11, arriving in Incheon International.Price includes taxes and charges.From AED 4,663, select.
      Seoul.AED 4,664 per passenger.Departing Thu, Feb 25.One-way flight with Korean Air.Outbound direct flight with Korean Air departing from Boston Logan International on Thu, Feb 25, arriving in Incheon International.Price includes taxes and charges.From AED 4,664, select.
      Seoul.AED 4,666 per passenger.Departing Thu, Aug 27.One-way flight with Korean Air.Outbound direct flight with Korean Air departing from Boston Logan International on Thu, Aug 27, arriving in Incheon International.Price includes taxes and charges.From AED 4,666, select.
      Seoul.AED 4,715 per passenger.Departing Wed, Mar 10.One-way flight with Korean Air.Outbound direct flight with Korean Air departing from Boston Logan International on Wed, Mar 10, arriving in Incheon International.Price includes taxes and charges.From AED 4,715, select.

      Find the cheapest month to fly from Boston to Seoul

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boston to Seoul flights are currently cheapest in August.
      Jul
      from AED 1,950
      Aug
      from AED 1,574
      Sep
      from AED 1,704
      Oct
      from AED 1,672
      Nov
      from AED 1,892
      Dec
      from AED 1,906
      Jan
      from AED 2,385
      Feb
      from AED 2,489
      Mar
      from AED 2,282
      Apr
      from AED 2,517
      May
      from AED 2,595
      Jun
      from AED 3,771

      Direct flights from Boston to Seoul

      Alternative Boston to Seoul routes

      Looking for the cheapest, fastest or easiest route from Boston to Seoul? You could fly into the following airports instead.

      Gimpo International

      17km from central Seoul
      Closest
      from AED 1,840
      Search flights

      Incheon International

      48km from central Seoul
      Cheapest
      from AED 1,574
      Search flights

      Boston to Seoul: Flight information

      The things to know before you go.
      Cheapest flight foundAED 1,574
      Cheapest month to flyAugust
      Average flight time15 hrs, 34 mins
      Most popular airlineDelta
      Average flights per week16

      Finding cheap flights from Boston to Seoul: Frequently asked questions

      There are 2 airports in Seoul: Gimpo International and Incheon International.
      The best price we found for a round-trip flight from Boston to Seoul is AED 3,066. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      15 hours and 34 minutes is the average flight time from Boston to Seoul.
      Delta and Korean Air fly direct from Boston to Seoul.
      There are 16 flights per week flying from Boston to Seoul, as of July 2026.
      The cheapest month to fly from Boston to Seoul is usually December.
      If you're flying from Boston, the cheapest airport near Seoul is Incheon International – which is 47.9 km away from the center of Seoul. We've found flights to this airport from AED 3,066.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Boston to Seoul on Wednesday, December 9, 2026.
      Yes – the average flight time is 15 hours and 34 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seoul but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Seoul is around 40 days in advance, so don’t leave your flight to the last minute.

      In July, the average temperature is usually around 24°C. August is typically the warmest month in Seoul, when it usually averages around 28°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is July.
      The cheapest airline that flies to Seoul is United, and the cheapest airline that flies to Incheon International Airport is Delta.

      How to find cheap flights from Boston to Seoul

      Looking for cheap flight tickets from Boston to Seoul? Skyscanner compares flight prices across more than 1,200 airlines and travel providers.

      Regardless of whether you're looking for a one-way ticket to Seoul or a return flight, here are some tips to secure the best flight price and make planning your journey as smooth as possible.

      • Simply hit search. From Emirates and Etihad to international carriers like Air India and Wizz Air, we compare all major airlines with the most popular online travel agents to find the cheapest plane tickets from Boston to Seoul. And with us there are no hidden fees - what you see is what you pay.

      • Flex your dates to find the cheapest BOSA - SELA flight tickets on Skyscanner. Search for flights but don’t enter the departure date and instead click ‘whole month’. This tool will find the cheapest month and dates to fly to Seoul from Boston.

      • Set up a Price Alert for Boston-Seoul flight tickets. You can easily track the fare of flights by creating an alert. Whenever prices go down or up, you'll get an email to help make sure you get the best possible flight deal. Or download our app and get price alerts straight to your phone.

      • Fly without stops. Only interested in direct flights between Boston and Seoul? Make sure to tick 'Non-stop flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.

      Hotels in Seoul

      Looking for a hotel in Seoul? Whether you’re looking for a local hotel or a global brand, discover the best prices and exclusive rates for hotels in Seoul by comparing the biggest names in travel.

      Car hire in Seoul

      If you’re looking for car rental in Seoul, we can help you uncover the best car hire deals. We search hundreds of car hire companies allowing you to instantly compare prices and then book.

      Book flight tickets from Boston to Seoul with extra peace of mind

      Back in 2020, most airlines introduced policies to make travel during COVID-19 as easy as possible. The worst of the pandemic is now over, but some of these policies remain in place for you to take advantage of as you step back out into the world.

      • Find flexible getaways. Some airlines introduced flexible booking policies in 2020 – and many of these are still available. If you book a flexible plane ticket from Boston to Seoul, it means your money is still safe if your flights are changed or cancelled due to COVID-19.

      • Get insured. Choose travel cost protection that covers COVID-19, too. It's available at the checkout as you book your flight from Boston to Seoul with us.

      More travel options

      Plan the rest of your trip from Boston to Seoul

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.