£387 Cheap Flights from Boston (BOS) to Seoul (SEL)

View £387 flight on Thu, 4 Sep 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Seoul

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

Prices were available within the past 7 days and start at £387 for one-way flights and £646 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, 4 Sep - Wed, 17 Sep
BOS
Boston
ICN
Seoul
£646 Return, found 2 days ago
£646
Return
found 2 days ago
Select Air Canada flight, departing Thu, 4 Sep from Boston to Seoul, returning Wed, 17 Sep, priced at £646 found 2 days ago
Air Canada
Sun, 7 Sep - Tue, 16 Sep
BOS
Boston
ICN
Seoul
£649 Return, found 4 days ago
£649
Return
found 4 days ago
Select Air Canada flight, departing Sun, 7 Sep from Boston to Seoul, returning Tue, 16 Sep, priced at £649 found 4 days ago
Air Canada
Thu, 4 Sep - Wed, 17 Sep
BOS
Boston
ICN
Seoul
£651 Return, found 2 days ago
£651
Return
found 2 days ago
Select Air Canada flight, departing Thu, 4 Sep from Boston to Seoul, returning Wed, 17 Sep, priced at £651 found 2 days ago
Cathay Pacific
Thu, 6 Nov - Thu, 13 Nov
BOS
Boston
ICN
Seoul
£651 Return, found 6 hours ago
£651
Return
found 6 hours ago
Select Cathay Pacific flight, departing Thu, 6 Nov from Boston to Seoul, returning Thu, 13 Nov, priced at £651 found 6 hours ago
Cathay Pacific
Mon, 20 Oct - Mon, 3 Nov
BOS
Boston
ICN
Seoul
£653 Return, found 1 day ago
£653
Return
found 1 day ago
Select Cathay Pacific flight, departing Mon, 20 Oct from Boston to Seoul, returning Mon, 3 Nov, priced at £653 found 1 day ago
Air Canada
Sun, 7 Sep - Tue, 16 Sep
BOS
Boston
ICN
Seoul
£654 Return, found 4 days ago
£654
Return
found 4 days ago
Select Air Canada flight, departing Sun, 7 Sep from Boston to Seoul, returning Tue, 16 Sep, priced at £654 found 4 days ago
Air Canada
Thu, 4 Sep - Wed, 17 Sep
BOS
Boston
ICN
Seoul
£656 Return, found 2 days ago
£656
Return
found 2 days ago
Select Air Canada flight, departing Thu, 4 Sep from Boston to Seoul, returning Wed, 17 Sep, priced at £656 found 2 days ago
Hainan Airlines
Sun, 9 Nov - Sun, 16 Nov
BOS
Boston
ICN
Seoul
£697 Return, found 6 hours ago
£697
Return
found 6 hours ago
Select Hainan Airlines flight, departing Sun, 9 Nov from Boston to Seoul, returning Sun, 16 Nov, priced at £697 found 6 hours ago
Turkish Airlines
Thu, 6 Nov - Thu, 13 Nov
BOS
Boston
ICN
Seoul
£708 Return, found 6 hours ago
£708
Return
found 6 hours ago
Select Turkish Airlines flight, departing Thu, 6 Nov from Boston to Seoul, returning Thu, 13 Nov, priced at £708 found 6 hours ago
China Eastern Airlines
Sat, 1 Nov - Sun, 16 Nov
BOS
Boston
ICN
Seoul
£878 Return, found 6 days ago
£878
Return
found 6 days ago
Select China Eastern Airlines flight, departing Sat, 1 Nov from Boston to Seoul, returning Sun, 16 Nov, priced at £878 found 6 days ago

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

February is typically the cheapest month to fly

From £651 - £1,118 per traveller.

Graph displaying average flight prices per month

Flight from Boston to Seoul route information
Origin airport
Logan Intl.
Destination airport
Incheon Intl.
Return price
£646
Distance
10900 km

Compare flights from Boston to Seoul easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Boston to Seoul. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to SEL-All Airports in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Logan Intl. to SEL-All Airports.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Logan Intl. (BOS) to SEL-All Airports (SEL)

The easiest way to view the best deals on flights from Boston to Seoul today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Logan Intl. to SEL-All Airports start at just £646 and range up to £878.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Boston and Seoul
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Boston to Seoul flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Logan Intl. to SEL-All Airports for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

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 £646. 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 11,000 kilometres, 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 favourite with many travellers, 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.

Explore a world of travel with Expedia

Seoul Airports

Seoul

Boston to Incheon Intl.
£645.60
Boston Airports

Manchester

*Available to Expedia members.