$473 Cheap Flights from Boston (BOS) to Seoul (SEL)

View $473 flight on Wed, Nov 5, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Seoul

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Cheap Flights from Boston to Seoul (BOS-SEL)

Prices were available within the past 7 days and start at $473 for one-way flights and $908 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, Nov 17 - Thu, Nov 27
BOS
Boston
ICN
Seoul
$908 Roundtrip, just found
$908
Roundtrip
just found
Select Air Canada flight, departing Mon, Nov 17 from Boston to Seoul, returning Thu, Nov 27, priced at $908 just found
Alaska Airlines
Thu, Jan 22 - Sun, Feb 8
BOS
Boston
ICN
Seoul
$917 Roundtrip, found 5 days ago
$917
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Thu, Jan 22 from Boston to Seoul, returning Sun, Feb 8, priced at $917 found 5 days ago
Turkish Airlines
Thu, Mar 5 - Fri, Mar 13
BOS
Boston
ICN
Seoul
$924 Roundtrip, found 5 days ago
$924
Roundtrip
found 5 days ago
Select Turkish Airlines flight, departing Thu, Mar 5 from Boston to Seoul, returning Fri, Mar 13, priced at $924 found 5 days ago
American Airlines
Fri, Nov 14 - Tue, Nov 25
BOS
Boston
ICN
Seoul
$925 Roundtrip, found 5 days ago
$925
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Nov 14 from Boston to Seoul, returning Tue, Nov 25, priced at $925 found 5 days ago
Hainan Airlines
Fri, Oct 31 - Fri, Nov 28
BOS
Boston
GMP
Seoul
$928 Roundtrip, found 5 days ago
$928
Roundtrip
found 5 days ago
Select Hainan Airlines flight, departing Fri, Oct 31 from Boston to Seoul, returning Fri, Nov 28, priced at $928 found 5 days ago
Japan Airlines
Sun, Feb 1 - Sat, Feb 7
BOS
Boston
GMP
Seoul
$1,026 Roundtrip, found 10 hours ago
$1,026
Roundtrip
found 10 hours ago
Select Japan Airlines flight, departing Sun, Feb 1 from Boston to Seoul, returning Sat, Feb 7, priced at $1,026 found 10 hours ago
Cathay Pacific
Wed, Nov 5 - Wed, Nov 12
BOS
Boston
ICN
Seoul
$1,042 Roundtrip, just found
$1,042
Roundtrip
just found
Select Cathay Pacific flight, departing Wed, Nov 5 from Boston to Seoul, returning Wed, Nov 12, priced at $1,042 just found
WestJet
Wed, Apr 29 - Mon, May 11
BOS
Boston
ICN
Seoul
$1,160 Roundtrip, found 6 hours ago
$1,160
Roundtrip
found 6 hours ago
Select WestJet flight, departing Wed, Apr 29 from Boston to Seoul, returning Mon, May 11, priced at $1,160 found 6 hours ago
LOT-Polish Airlines
Sun, Nov 23 - Wed, Jan 14
BOS
Boston
ICN
Seoul
$1,407 Roundtrip, found 2 hours ago
$1,407
Roundtrip
found 2 hours ago
Select LOT-Polish Airlines flight, departing Sun, Nov 23 from Boston to Seoul, returning Wed, Jan 14, priced at $1,407 found 2 hours ago
Singapore Airlines
Thu, Nov 27 - Tue, Dec 9
BOS
Boston
ICN
Seoul
$1,461 Roundtrip, found 1 hour ago
$1,461
Roundtrip
found 1 hour ago
Select Singapore Airlines flight, departing Thu, Nov 27 from Boston to Seoul, returning Tue, Dec 9, priced at $1,461 found 1 hour ago

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

September is typically the cheapest month to fly

From $793 - $1,464 per traveler.

Alternative airports near Seoul

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

Select flight to Incheon Intl. ICN. Cheapest option available. Average driving time to city center is 47 minutes. Flights from $957
ICN
Incheon Intl.
Cheapest
Average driving time to city center47 min
Flights from $957
Select flight to Gimpo Intl. GMP. Closest option available. Average driving time to city center is 20 minutes. Flights from $1,929
GMP
Gimpo Intl.
Closest
Average driving time to city center20 min
Flights from $1,929
Flights from Boston (BOS) to Seoul (ICN)
Origin airport
Logan Intl.
Destination airport
Incheon Intl.
Roundtrip price
$908
Distance
6812 mi

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 $473 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 is a flight from Logan Intl. Airport to Seoul (SEL-All Airports)?
The lowest price advertised for a round-trip flight between BOS and Seoul (SEL-All Airports) is $908. But you better act quick. This figure is taken from fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BOS to Seoul (SEL-All Airports)?
This varies between air carriers, as each one has its own terms and conditions. Visit the Customer Service Portal, where you'll find easy-to-follow instructions on how to cancel online.
How do I find cheap flights from BOS to Seoul (SEL-All Airports) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Logan Intl. Airport (BOS) to Seoul (SEL-All Airports) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from BOS to Seoul (SEL-All Airports)?
The distance is around 6837 mi, so fill your carry-on luggage with everything you need to make the long journey comfortable. Wondering what to take on board your Boston to South Korea flight? A travel pillow, earplugs and a sleep mask are a few essentials.
Which airlines fly direct from Logan Intl. Airport to Seoul (SEL-All Airports)?
A favorite with many travelers, Korean Air (KE) operates 17 flights every month from BOS to Seoul (SEL-All Airports). Pick the one that fits with your travel plans and book your seat today.
Are BOS to Seoul (SEL-All Airports) flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from BOS to Seoul (SEL-All Airports) can be hit-or-miss. It is possible to find a bargain, but then again, you could miss out entirely! If you'd rather play it safe and start your trip planning early on, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines list their prices so far in advance. Our advice? Check back often as updates are made regularly.

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*Available to One Key members.