$448 Cheap Flights from Seoul (ICN) to Boston (BOS)

View $448 flight on Fri, Sep 19, 2025Opens in a new window

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

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Cheap Flights from Seoul to Boston (ICN-BOS)

Prices were available within the past 7 days and start at $448 for one-way flights and $471 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, Dec 5 - Wed, Aug 5
ICN
Seoul
BOS
Boston
$471 Roundtrip, found 2 days ago
$471
Roundtrip
found 2 days ago
Select Air Canada flight, departing Fri, Dec 5 from Seoul to Boston, returning Wed, Aug 5, priced at $471 found 2 days ago
Air Canada
Wed, Nov 26 - Tue, Apr 14
ICN
Seoul
BOS
Boston
$472 Roundtrip, found 5 days ago
$472
Roundtrip
found 5 days ago
Select Air Canada flight, departing Wed, Nov 26 from Seoul to Boston, returning Tue, Apr 14, priced at $472 found 5 days ago
United
Fri, Jan 30 - Thu, Feb 26
ICN
Seoul
BOS
Boston
$512 Roundtrip, found 3 hours ago
$512
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Jan 30 from Seoul to Boston, returning Thu, Feb 26, priced at $512 found 3 hours ago
American Airlines
Wed, Oct 8 - Tue, Nov 4
ICN
Seoul
BOS
Boston
$584 Roundtrip, found 5 hours ago
$584
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Wed, Oct 8 from Seoul to Boston, returning Tue, Nov 4, priced at $584 found 5 hours ago
Hawaiian Airlines
Wed, Oct 22 - Sun, Oct 26
ICN
Seoul
BOS
Boston
$829 Roundtrip, found 13 hours ago
$829
Roundtrip
found 13 hours ago
Select Hawaiian Airlines flight, departing Wed, Oct 22 from Seoul to Boston, returning Sun, Oct 26, priced at $829 found 13 hours ago
Alaska Airlines
Fri, Jan 30 - Thu, Feb 26
ICN
Seoul
BOS
Boston
$829 Roundtrip, found 3 hours ago
$829
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Fri, Jan 30 from Seoul to Boston, returning Thu, Feb 26, priced at $829 found 3 hours ago
Asiana Airlines
Fri, Dec 5 - Sat, Dec 6
ICN
Seoul
BOS
Boston
$1,074 Roundtrip, found 3 days ago
$1,074
Roundtrip
found 3 days ago
Select Asiana Airlines flight, departing Fri, Dec 5 from Seoul to Boston, returning Sat, Dec 6, priced at $1,074 found 3 days ago
Cathay Pacific
Wed, Jan 7 - Sun, Jan 11
ICN
Seoul
BOS
Boston
$1,213 Roundtrip, found 2 hours ago
$1,213
Roundtrip
found 2 hours ago
Select Cathay Pacific flight, departing Wed, Jan 7 from Seoul to Boston, returning Sun, Jan 11, priced at $1,213 found 2 hours ago
Singapore Airlines
Wed, Nov 19 - Thu, Nov 27
ICN
Seoul
BOS
Boston
$1,317 Roundtrip, found 4 days ago
$1,317
Roundtrip
found 4 days ago
Select Singapore Airlines flight, departing Wed, Nov 19 from Seoul to Boston, returning Thu, Nov 27, priced at $1,317 found 4 days ago
Delta
Fri, Jan 30 - Thu, Feb 26
ICN
Seoul
BOS
Boston
$1,328 Roundtrip, found 3 hours ago
$1,328
Roundtrip
found 3 hours ago
Select Delta flight, departing Fri, Jan 30 from Seoul to Boston, returning Thu, Feb 26, priced at $1,328 found 3 hours ago

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

September is typically the cheapest month to fly

From $468 - $1,029 per traveler.
Flights from Seoul (ICN) to Boston (BOS)
Origin airport
Incheon Intl.
Destination airport
Logan Intl.
Airlines serving
Air Canada, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, Cathay Pacific, Delta, Hawaiian Airlines, Japan Airlines, KLM, Korean Air, Lufthansa, Singapore Airlines, Swiss International Air Lines, United, WestJet
Roundtrip price
$470
Distance
6812 mi
Average flight time
14 hours 40 mins

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 December. 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 $448 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?
Snag a cheap one-way flight from $448 or cheap return flight from $471 from Incheon Intl. Airport (ICN) to Logan Intl. Airport (BOS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Incheon Intl. Airport (ICN) to Logan Intl. Airport (BOS)?
December is the least expensive month to fly from ICN to BOS. Avoiding peak travel times is often the key to scoring lower fares.
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 Incheon Intl. Airport (ICN) to Logan Intl. Airport (BOS)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from ICN to BOS. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
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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