$468 Cheap Flights from Boston (BOS) to Seoul (ICN)

View $468 flight on Wed, Feb 4, 2026Opens in a new window

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

Cheap Flights from Boston to Seoul (BOS-ICN)

Prices were available within the past 7 days and start at $468 for one-way flights and $872 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Nov 24 - Thu, Dec 4
BOS
Boston
ICN
Seoul
$872 Roundtrip, found 3 days ago
$872
Roundtrip
found 3 days ago
Select United flight, departing Mon, Nov 24 from Boston to Seoul, returning Thu, Dec 4, priced at $872 found 3 days ago
American Airlines
Mon, Dec 29 - Tue, Jan 20
BOS
Boston
ICN
Seoul
$883 Roundtrip, found 3 days ago
$883
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Dec 29 from Boston to Seoul, returning Tue, Jan 20, priced at $883 found 3 days ago
Alaska Airlines
Wed, Nov 12 - Mon, Nov 17
BOS
Boston
ICN
Seoul
$889 Roundtrip, found 3 days ago
$889
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Nov 12 from Boston to Seoul, returning Mon, Nov 17, priced at $889 found 3 days ago
Turkish Airlines
Thu, Jan 15 - Fri, Jan 30
BOS
Boston
ICN
Seoul
$944 Roundtrip, found 3 hours ago
$944
Roundtrip
found 3 hours ago
Select Turkish Airlines flight, departing Thu, Jan 15 from Boston to Seoul, returning Fri, Jan 30, priced at $944 found 3 hours ago
Cathay Pacific
Mon, May 11 - Mon, May 18
BOS
Boston
ICN
Seoul
$977 Roundtrip, found 2 hours ago
$977
Roundtrip
found 2 hours ago
Select Cathay Pacific flight, departing Mon, May 11 from Boston to Seoul, returning Mon, May 18, priced at $977 found 2 hours ago
Air Canada
Wed, Apr 8 - Wed, Apr 15
BOS
Boston
ICN
Seoul
$1,321 Roundtrip, found 10 hours ago
$1,321
Roundtrip
found 10 hours ago
Select Air Canada flight, departing Wed, Apr 8 from Boston to Seoul, returning Wed, Apr 15, priced at $1,321 found 10 hours ago
WestJet
Tue, May 12 - Sat, May 16
BOS
Boston
ICN
Seoul
$1,328 Roundtrip, found 2 hours ago
$1,328
Roundtrip
found 2 hours ago
Select WestJet flight, departing Tue, May 12 from Boston to Seoul, returning Sat, May 16, priced at $1,328 found 2 hours ago
LOT-Polish Airlines
Sun, Nov 16 - Tue, Mar 31
BOS
Boston
ICN
Seoul
$1,387 Roundtrip, found 1 day ago
$1,387
Roundtrip
found 1 day ago
Select LOT-Polish Airlines flight, departing Sun, Nov 16 from Boston to Seoul, returning Tue, Mar 31, priced at $1,387 found 1 day ago
Lufthansa
Thu, Feb 5 - Fri, Feb 27
BOS
Boston
ICN
Seoul
$1,508 Roundtrip, found 1 day ago
$1,508
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Thu, Feb 5 from Boston to Seoul, returning Fri, Feb 27, priced at $1,508 found 1 day ago
Swiss International Air Lines
Mon, Mar 30 - Wed, Apr 15
BOS
Boston
ICN
Seoul
$1,544 Roundtrip, found 5 days ago
$1,544
Roundtrip
found 5 days ago
Select Swiss International Air Lines flight, departing Mon, Mar 30 from Boston to Seoul, returning Wed, Apr 15, priced at $1,544 found 5 days ago

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

September is typically the cheapest month to fly

From $790 - $1,316 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. Closest option available. Average driving time to city center is 20 minutes. Flights from $1,802
GMP
Gimpo Intl.
Closest
Average driving time to city center20 min
Flights from $1,802

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 $468 or cheap return flight from $872 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 November 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.

Travel information

Origin airport
Logan Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, Air France, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, Cathay Pacific, Delta, Emirates, Etihad Airways, Hawaiian Airlines, KLM, Korean Air, Lufthansa, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Turkish Airlines, United, WestJet
Roundtrip price
$871
Distance
6812 mi
Average flight time
15 hours 35 mins

Book with confidence

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 November. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $468 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.

 

Boston to Seoul Flights

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*Available to One Key members.