$487 Cheap Flights from Seoul (ICN) to Boston (BOS)

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Find available prices by choosing your travel dates.

Cheap Flights from Seoul to Boston (ICN-BOS)

Prices were available within the past 7 days and start at $487 for one-way flights and $726 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Asiana Airlines
United
Air Canada
WestJet
Alaska Airlines
Hawaiian Airlines
LOT-Polish Airlines
American Airlines
Asiana Airlines
Delta
Flights from Seoul (ICN) to Boston (BOS)
Origin airport
Incheon Intl.
Destination airport
Logan Intl.
Airlines serving
Air Canada, Air France, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, Cathay Pacific, Delta, Emirates, Etihad Airways, Hawaiian Airlines, Japan Airlines, KLM, Korean Air, LOT-Polish Airlines, Lufthansa, Qatar Airways, Swiss International Air Lines, United, WestJet
Roundtrip price
$725
Distance
6812 mi

Seoul to Boston Flights

The cheapest times to fly from Seoul to Boston

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 Seoul to Boston are during the month of May. You can find some of the cheapest flights from Seoul to Boston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seoul to Boston

Sunday is one of the best days to book for cheap flights from Seoul to Boston: 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 Seoul to Boston

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 Seoul to Boston in 2025. You can also book with separate airlines for your outbound and return journeys, from $487 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 Seoul to Boston 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 Seoul to Boston 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 Incheon Intl. Airport (ICN) to Logan Intl. Airport (BOS) cost?
Cheap return fares from Incheon Intl. Airport (ICN) to Logan Intl. Airport (BOS) start from $1322. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Korean Air flight leaving ICN on May 6 2025 and touching down at BOS. The price was last updated on April 26 2025 and has not changed since.
What is the cheapest month to fly from ICN to BOS?
The cheapest flights from ICN to BOS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Incheon Intl. Airport (ICN) to Logan Intl. Airport (BOS)?
When flying out of Incheon Intl. Airport (ICN), you can hop on a direct flight to Logan Intl. Airport (BOS) with Korean Air.
What is the cheapest airline that flies from ICN to BOS?
Travel from ICN to BOS with Delta. This airline currently offers the cheapest one-way ticket for this route, starting from $1089. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ICN on May 23 2025. Prices were last updated on April 26 2025 and have not changed since.
How many flights per day from Incheon Intl. Airport (ICN) to Logan Intl. Airport (BOS)?
On average, Incheon Intl. Airport (ICN) only has 1 nonstop flight to Logan Intl. Airport (BOS) daily. For more options, try our easy-to-use filters. Enter your preferred travel dates, then choose “1 Stop” or “2+ Stops” to discover flights offering layovers.
What are the most popular departure times for flights from Incheon Intl. Airport (ICN) to Logan Intl. Airport (BOS)?
More passengers fly between ICN and BOS at 9 AM than at any other time of day. Rather go when it’s quieter? Travel outside of rush hours and you could save on your fare as well.
What day of the week has the most flights from ICN to BOS?
Sunday has the most flights from Incheon Intl. Airport (ICN) to Logan Intl. Airport (BOS). Consider taking off on this day and you’ll have the best chance of finding a departure that fits your schedule.
What is the earliest flight from Incheon Intl. Airport (ICN) to Logan Intl. Airport (BOS)?
Hop on the earliest flight at around 9:10AM UTC+9, leaving from Incheon Intl. Airport (ICN). You’ll be traveling for roughly 13h 30m, reaching Logan Intl. Airport (BOS) at approximately 8:40AM UTC-5.
How long does it take to fly from Incheon Intl. Airport (ICN) to Logan Intl. Airport (BOS)?
Flights from ICN to BOS have an average travel time of 13 hours and 30 minutes. The total distance between these two airports is 6,800 mi.
What airline has the least delays from ICN to BOS?
Consider booking with Korean Air if you’d like to fly straight from Incheon Intl. Airport (ICN) to Logan Intl. Airport (BOS) without any holdups. This airline has the strongest track record for punctuality, with an on-time performance of 82%. Want real-time updates? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Incheon Intl. Airport (ICN) to Logan Intl. Airport (BOS)?
To avoid possible delays on the Incheon Intl. Airport (ICN) to Logan Intl. Airport (BOS) route, fly before 3 PM. Later flights have a 22% higher chance of cancellation.**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 Boston from Incheon Intl. Airport (ICN)?
Logan Intl. Airport (BOS) is the only airport in Boston with direct flights from Incheon Intl. Airport (ICN). Explore the options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Incheon Intl. Airport (ICN) to Logan Intl. Airport (BOS) last-minute?
Waiting until right before your break to book a flight from ICN to BOS generally means paying more. Although you may find some last-minute discounts, they’re not always guaranteed. Keep your travel plans flexible for a better chance of scoring a bargain.
Is it cheaper to book an ICN to BOS flight and hotel package?
Compared with arranging hotels and flights separately, booking an ICN to BOS flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place takes the hassle out of planning your trip. Simply pick your flights and choose from our extensive range of stays, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to Logan Intl. Airport (BOS)?
Generally, it’s possible to reschedule or cancel your ICN to BOS flight. However, if it’s been more than 24 hours since booking, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find further details on our Customer Service portal.

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