$481 Cheap Flights from Boston (BOS) to Seoul (ICN)

View $481 flight on Tue, Dec 2, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Incheon Intl. Airport (ICN)

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Cheap Flights from Boston to Seoul (BOS-ICN)

Prices were available within the past 7 days and start at $481 for one-way flights and $916 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Dec 4 - Sun, Dec 7
BOS
Boston
ICN
Seoul
$916 Roundtrip, found 2 hours ago
$916
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Thu, Dec 4 from Boston to Seoul, returning Sun, Dec 7, priced at $916 found 2 hours ago
Turkish Airlines
Mon, May 4 - Wed, May 27
BOS
Boston
ICN
Seoul
$943 Roundtrip, just found
$943
Roundtrip
just found
Select Turkish Airlines flight, departing Mon, May 4 from Boston to Seoul, returning Wed, May 27, priced at $943 just found
Cathay Pacific
Wed, Apr 22 - Wed, May 6
BOS
Boston
ICN
Seoul
$977 Roundtrip, found 3 hours ago
$977
Roundtrip
found 3 hours ago
Select Cathay Pacific flight, departing Wed, Apr 22 from Boston to Seoul, returning Wed, May 6, priced at $977 found 3 hours ago
WestJet
Sun, May 24 - Sun, Jun 7
BOS
Boston
ICN
Seoul
$1,234 Roundtrip, found 6 days ago
$1,234
Roundtrip
found 6 days ago
Select WestJet flight, departing Sun, May 24 from Boston to Seoul, returning Sun, Jun 7, priced at $1,234 found 6 days ago
Air Canada
Tue, Feb 3 - Wed, Feb 25
BOS
Boston
ICN
Seoul
$1,361 Roundtrip, found 5 hours ago
$1,361
Roundtrip
found 5 hours ago
Select Air Canada flight, departing Tue, Feb 3 from Boston to Seoul, returning Wed, Feb 25, priced at $1,361 found 5 hours ago
LOT-Polish Airlines
Sat, Apr 4 - Wed, Apr 15
BOS
Boston
ICN
Seoul
$1,366 Roundtrip, found 11 hours ago
$1,366
Roundtrip
found 11 hours ago
Select LOT-Polish Airlines flight, departing Sat, Apr 4 from Boston to Seoul, returning Wed, Apr 15, priced at $1,366 found 11 hours ago
Swiss International Air Lines
Mon, May 18 - Wed, Jun 10
BOS
Boston
ICN
Seoul
$1,487 Roundtrip, found 22 hours ago
$1,487
Roundtrip
found 22 hours ago
Select Swiss International Air Lines flight, departing Mon, May 18 from Boston to Seoul, returning Wed, Jun 10, priced at $1,487 found 22 hours ago
Lufthansa
Tue, May 19 - Mon, Jun 1
BOS
Boston
ICN
Seoul
$1,517 Roundtrip, found 5 days ago
$1,517
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Tue, May 19 from Boston to Seoul, returning Mon, Jun 1, priced at $1,517 found 5 days ago
Delta
Wed, Feb 4 - Mon, Mar 2
BOS
Boston
ICN
Seoul
$1,663 Roundtrip, found 2 days ago
$1,663
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Feb 4 from Boston to Seoul, returning Mon, Mar 2, priced at $1,663 found 2 days ago
Korean Air
Wed, Mar 18 - Tue, Apr 7
BOS
Boston
ICN
Seoul
$1,665 Roundtrip, found 2 hours ago
$1,665
Roundtrip
found 2 hours ago
Select Korean Air flight, departing Wed, Mar 18 from Boston to Seoul, returning Tue, Apr 7, priced at $1,665 found 2 hours ago

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Find the cheapest month to fly from Boston (BOS) to Seoul (ICN)

September is typically the cheapest month to fly

From $793 - $1,384 per traveler.

Alternative airports near Seoul

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gimpo Intl. GMP. Cheapest and Closest option available. Average driving time to city center is 20 minutes. Flights from $2,155
GMP
Gimpo Intl.
CheapestClosest
Average driving time to city center20 min
Flights from $2,155
Flights from Boston (BOS) to Seoul (ICN)
Origin airport
Logan Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, Air France, Alaska Airlines, American Airlines, Asiana Airlines, Cathay Pacific, Delta, Emirates, Etihad Airways, Hawaiian Airlines, KLM, Korean Air, LOT-Polish Airlines, Lufthansa, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Turkish Airlines, United, WestJet
Roundtrip price
$915
Distance
6812 mi
Average flight time
15 hours 35 mins

Boston to Seoul Flights

The cheapest times to fly from Boston to Seoul

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Seoul are during the month of December. You can find some of the cheapest flights from Boston to Seoul with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Seoul

Sunday is one of the best days to book for cheap flights from Boston to Seoul: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Seoul

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Seoul in 2026. You can also book with separate airlines for your outbound and return journeys, from $481 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Seoul flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Seoul airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN) cost?
Lock in a cheap one-way flight from $481 or cheap return flight from $916 from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN)?
Planning your trip for December may help you find better deals, as it's the cheapest month for flights between BOS and ICN. You'll usually find the lowest prices during off-peak months.
Which airlines fly direct from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN)?
Catch a nonstop flight with Korean Air and journey straight from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN).
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest BOS to ICN flight.
How many flights per day from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN)?
On average, you'll only find 1 direct flight departing from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN) every day. If this doesn't fit your travel plans, think about flights with a layover. Just filter your search on Expedia to include one stop or more to discover the next best option.
What are the most popular departure times for flights from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN)?
More people fly between BOS and ICN at 11 AM than at any other point in the day. Rather skip the crowds? Try choosing a quieter departure window and you could save on your fare as well.
What day of the week has the most flights from BOS to ICN?
Jet off on a Friday if you're looking for the best selection of flights from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN).
What is the earliest flight from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN)?
The first flight of the day jetting off from Logan Intl. Airport (BOS) is at around 11:00AM UTC-5. Catch this flight and you'll touch down at Incheon Intl. Airport (ICN) at approximately 4:30PM UTC+9. The total flight duration is 15h 30m.
How long does it take to fly from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN)?
It takes about 15 hours and 30 minutes to cover the 6,800 mi from BOS to ICN.
What is the best time to fly from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN)?
To avoid possible delays on the Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN) route, travel before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Seoul from Logan Intl. Airport (BOS)?
Incheon Intl. Airport (ICN) is the only airport in Seoul with direct flights from Logan Intl. Airport (BOS). Explore the available options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN) last-minute?
Last-minute fares from BOS to ICN are usually more expensive. For the best prices, start looking for flights as soon as possible. That being said, if you can play around with your travel dates, you may score a cheap fare right before you leave.
Is it cheaper to book a BOS to ICN flight and hotel package?
You'll generally save money by securing a BOS to ICN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your ideal flights and accommodations, consider adding extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN)?
If you booked your BOS to ICN flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

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*Available to One Key members.