฿20,205 Cheap Flights from Boston (BOS) to Seoul (ICN)

View ฿20,205 flight on Thu, 3 Sept 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at ฿20,205 for one-way flights and ฿38,715 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Thu, 3 Sept - Tue, 15 Sept
BOS
Boston
ICN
Seoul
฿38,715 Return, found 2 days ago
฿38,715
Return
found 2 days ago
Select Cathay Pacific flight, departing Thu, 3 Sept from Boston to Seoul, returning Tue, 15 Sept, priced at ฿38,715 found 2 days ago
WestJet
Thu, 3 Sept - Tue, 15 Sept
BOS
Boston
ICN
Seoul
฿40,100 Return, found 2 days ago
฿40,100
Return
found 2 days ago
Select WestJet flight, departing Thu, 3 Sept from Boston to Seoul, returning Tue, 15 Sept, priced at ฿40,100 found 2 days ago
Cathay Pacific
Thu, 3 Sept - Tue, 15 Sept
BOS
Boston
ICN
Seoul
฿41,135 Return, found 2 days ago
฿41,135
Return
found 2 days ago
Select Cathay Pacific flight, departing Thu, 3 Sept from Boston to Seoul, returning Tue, 15 Sept, priced at ฿41,135 found 2 days ago
Cathay Pacific
Mon, 19 Oct - Sun, 25 Oct
BOS
Boston
ICN
Seoul
฿42,745 Return, found 4 days ago
฿42,745
Return
found 4 days ago
Select Cathay Pacific flight, departing Mon, 19 Oct from Boston to Seoul, returning Sun, 25 Oct, priced at ฿42,745 found 4 days ago
Cathay Pacific
Thu, 3 Sept - Tue, 15 Sept
BOS
Boston
ICN
Seoul
฿44,075 Return, found 2 days ago
฿44,075
Return
found 2 days ago
Select Cathay Pacific flight, departing Thu, 3 Sept from Boston to Seoul, returning Tue, 15 Sept, priced at ฿44,075 found 2 days ago
Cathay Pacific
Thu, 3 Sept - Tue, 15 Sept
BOS
Boston
ICN
Seoul
฿46,495 Return, found 2 days ago
฿46,495
Return
found 2 days ago
Select Cathay Pacific flight, departing Thu, 3 Sept from Boston to Seoul, returning Tue, 15 Sept, priced at ฿46,495 found 2 days ago
American Airlines
Thu, 3 Sept - Tue, 15 Sept
BOS
Boston
ICN
Seoul
฿47,640 Return, found 2 days ago
฿47,640
Return
found 2 days ago
Select American Airlines flight, departing Thu, 3 Sept from Boston to Seoul, returning Tue, 15 Sept, priced at ฿47,640 found 2 days ago
Turkish Airlines
Thu, 3 Sept - Tue, 15 Sept
BOS
Boston
ICN
Seoul
฿48,635 Return, found 2 days ago
฿48,635
Return
found 2 days ago
Select Turkish Airlines flight, departing Thu, 3 Sept from Boston to Seoul, returning Tue, 15 Sept, priced at ฿48,635 found 2 days ago
Etihad Airways
Thu, 23 Jul - Thu, 30 Jul
BOS
Boston
ICN
Seoul
฿49,710 Return, found 4 days ago
฿49,710
Return
found 4 days ago
Select Etihad Airways flight, departing Thu, 23 Jul from Boston to Seoul, returning Thu, 30 Jul, priced at ฿49,710 found 4 days ago
Air Canada
Mon, 19 Oct - Sun, 25 Oct
BOS
Boston
ICN
Seoul
฿52,140 Return, found 4 days ago
฿52,140
Return
found 4 days ago
Select Air Canada flight, departing Mon, 19 Oct from Boston to Seoul, returning Sun, 25 Oct, priced at ฿52,140 found 4 days ago

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

November is typically the cheapest month to fly

From ฿29,177 - ฿53,502 per traveller.

Frequently asked questions

How much is a flight from Logan Intl. Airport to Incheon Airport?
If you're travelling from Logan Intl. Airport (BOS) to Seoul–Incheon Intl. Airport, round-trip journeys start from ฿38,715. This price is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal pass you by. Book today and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Logan Intl. Airport to ICN?
This can vary between air carriers, as each has its own terms and conditions. Visit the Customer Service Portal, where there are easy instructions on how to cancel your flight online.
How do I find cheap flights from Logan Intl. Airport to Seoul–Incheon Intl. Airport 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 to Incheon Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN)?
With around 11,000 kilometres separating Boston and South Korea, your flight will be a long one. Pack wisely and make your time on board comfortable. Things like warm clothes and a cosy travel pillow can make a massive difference.
Which airlines fly direct from Logan Intl. Airport (BOS) to Incheon Airport?
Flying nonstop from Logan Intl. Airport to Incheon Intl. Airport (ICN) is simple with Korean Air (KE). This popular carrier offers 17 flights each month.
Are Logan Intl. Airport to ICN flight tickets cheaper when they're purchased at the last minute?
Flight prices always go up and down, so there are no guarantees. While last-minute deals between BOS and ICN are of course possible, it's also a good idea to keep track of prices well before you fly. In fact, some airlines publish their prices up to 12 months prior to the departure date. Expedia is constantly updating the best bargains around, so keep checking and be ready to book when the price is right.

Travel information

Origin airport
Logan Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, American Airlines, Cathay Pacific, Delta, Emirates, Etihad Airways, Korean Air, Lufthansa, Qatar Airways, Turkish Airlines, United
Return price
฿38,715
Distance
10900 km
Average flight time
14 hours 30 mins
*Available to Expedia members.