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Cheap flights from Boston to Seoul from $345

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Seoul departing on 9/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Cathay Pacific Logo
1:40 am - 2:05 pmBOS-ICN
23h 25m1 stop
Cathay Pacific Logo
10:10 am - 11:00 pmICN-BOS
25h 50m1 stop
$887Cathay Pacific
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Wed, Sep 17 - Sun, Sep 28
Cathay Pacific Logo
1:40 am - 9:10 pmBOS-ICN
30h 30m1 stop
Cathay Pacific Logo
1:40 pm - 11:25 pmICN-BOS
22h 45m1 stop
$888Cathay Pacific
Find Deal
Thu, Sep 11 - Wed, Sep 24
Turkish Airlines Logo
8:00 pm - 6:20 pmBOS-ICN
32h 20m1 stop
Turkish Airlines Logo
10:45 am - 6:05 pmICN-BOS
45h 20m1 stop
$892Turkish Airlines
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Thu, Nov 6 - Sat, Nov 15
Cathay Pacific Logo
12:30 am - 6:35 pmBOS-ICN
28h 05m1 stop
Cathay Pacific Logo
1:50 pm - 10:00 pmICN-BOS
22h 10m1 stop
$894Cathay Pacific
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Thu, Nov 13 - Sat, Nov 22
Cathay Pacific Logo
1:40 am - 9:10 pmBOS-ICN
30h 30m1 stop
Cathay Pacific Logo
10:10 am - 11:00 pmICN-BOS
25h 50m1 stop
$896Cathay Pacific
Find Deal
Tue, Oct 14 - Wed, Oct 22
Turkish Airlines Logo
9:35 pm - 8:40 amBOS-ICN
22h 05m1 stop
Turkish Airlines Logo
12:10 am - 7:05 pmICN-BOS
31h 55m1 stop
$900Turkish Airlines
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Wed, Oct 1 - Tue, Oct 28
Logo
6:55 pm - 6:45 pmBOS-ICN
34h 50m2 stops
Logo
5:45 pm - 9:30 amICN-BOS
28h 45m3 stops
$901
Find Deal
Wed, Oct 15 - Tue, Oct 21
Logo
8:23 pm - 8:30 pmBOS-ICN
35h 07m1 stop
Logo
9:05 pm - 6:10 pmICN-BOS
34h 05m1 stop
$902
Find Deal
Thu, Oct 2 - Sat, Oct 11
Air Canada Logo
3:15 pm - 4:15 pmBOS-ICN
36h 00m1 stop
Air Canada Logo
5:55 pm - 9:52 amICN-BOS
28h 57m2 stops
$925Air Canada
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Wed, Oct 1 - Mon, Oct 27
Air Canada Logo
6:40 pm - 4:10 pmBOS-ICN
32h 30m2 stops
Air Canada Logo
8:10 pm - 12:12 pmICN-BOS
30h 02m1 stop
$930Air Canada
Find Deal
Mon, Oct 27 - Mon, Nov 17

Cathay Pacific flights from Boston to Incheon Intl Airport

Our best Cathay Pacific deals on Boston to Incheon Intl Airport flight tickets
Cathay Pacific
Sep 17
BOS1:40 amBoston Logan Intl
23h 25m
1 stop
ICN2:05 pmIncheon Intl
Sep 28
ICN10:10 amIncheon Intl
25h 50m
1 stop
BOS11:00 pmBoston Logan Intl
$887
Find similar
Cathay Pacific
Sep 11
BOS1:40 amBoston Logan Intl
30h 30m
1 stop
ICN9:10 pmIncheon Intl
Sep 24
ICN1:40 pmIncheon Intl
22h 45m
1 stop
BOS11:25 pmBoston Logan Intl
$888
Find similar
Cathay Pacific
Nov 13
BOS12:30 amBoston Logan Intl
28h 05m
1 stop
ICN6:35 pmIncheon Intl
Nov 22
ICN1:50 pmIncheon Intl
22h 10m
1 stop
BOS10:00 pmBoston Logan Intl
$894
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United Airlines flights from Boston to Incheon Intl Airport

Our best United Airlines deals on Boston to Incheon Intl Airport flight tickets
United Airlines
Sep 1
BOS6:02 amBoston Logan Intl
33h 18m
1 stop
ICN4:20 amIncheon Intl
Sep 15
ICN4:50 pmIncheon Intl
20h 06m
1 stop
BOS11:56 pmBoston Logan Intl
$997
Find similar
United Airlines
Sep 1
BOS1:00 pmBoston Logan Intl
26h 20m
3 stops
ICN4:20 amIncheon Intl
Sep 13
ICN4:50 pmIncheon Intl
20h 07m
2 stops
BOS11:57 pmBoston Logan Intl
$1,057
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momondo Fare Finder

 
Customize your flight search to find flights from Boston to Incheon Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 28, 2025.
Use the filters below to find and compare flights from Boston to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Wed 9/17

1:40 am-2:05 pm

1 stop23h 25m

Incheon Intl

Sun 9/28

10:10 am-11:00 pm

1 stop25h 50m

$887

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Thu 9/11

1:40 am-9:10 pm

1 stop30h 30m

Incheon Intl

Wed 9/24

1:40 pm-11:25 pm

1 stop22h 45m

$888

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Thu 11/6

8:00 pm-6:20 pm

1 stop32h 20m

Incheon Intl

Sat 11/15

10:45 am-6:05 pm

1 stop45h 20m

$892

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Thu 11/13

12:30 am-6:35 pm

1 stop28h 05m

Incheon Intl

Sat 11/22

1:50 pm-10:00 pm

1 stop22h 10m

$894

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Tue 10/14

1:40 am-9:10 pm

1 stop30h 30m

Incheon Intl

Wed 10/22

10:10 am-11:00 pm

1 stop25h 50m

$896

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Wed 10/1

9:35 pm-8:40 am

1 stop22h 05m

Incheon Intl

Tue 10/28

12:10 am-7:05 pm

1 stop31h 55m

$900

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Wed 10/15

6:55 pm-6:45 pm

2 stops34h 50m

Incheon Intl

Tue 10/21

5:45 pm-9:30 am

3 stops28h 45m

$901

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Thu 10/2

8:23 pm-8:30 pm

1 stop35h 07m

Incheon Intl

Sat 10/11

9:05 pm-6:10 pm

1 stop34h 05m

$902

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Wed 10/1

3:15 pm-4:15 pm

1 stop36h 00m

Incheon Intl

Mon 10/27

5:55 pm-9:52 am

2 stops28h 57m

$925

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Mon 10/27

6:40 pm-4:10 pm

2 stops32h 30m

Incheon Intl

Mon 11/17

8:10 pm-12:12 pm

1 stop30h 02m

$930

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Boston to Incheon Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Boston and Incheon Intl Airport?

What is the cheapest month to fly to Incheon Intl Airport?

The cheapest month to fly to Incheon Intl Airport from Boston is in November. Flight prices, which tend to average around $1,007, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of November, then departing from Boston during the month September is also very affordable. Most momondo users find prices during this month for around $1,011.

What is the cheapest day to depart on your flight to Incheon Intl Airport?

The cheapest day to depart from Boston to Incheon Intl Airport is on a Monday when prices can be found for as low as $1,036. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,224. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

What is the cheapest time of day to depart on your flight to Incheon Intl Airport?

In the morning is the cheapest time of day to fly from Boston to Incheon Intl Airport when you can find flight prices for as low as $1,100. Flying to Incheon Intl Airport in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,404 on average. Flights to Incheon Intl Airport from Boston at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Boston Logan Intl to Incheon Intl flight route?

Fly from Boston Logan Intl to Incheon Intl for the best Boston Logan Intl - Incheon Intl flight prices

How far in advance should I book a flight to Incheon Intl Airport?

You are more likely to see cheaper flights to Incheon Intl Airport from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $1,451 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from Boston for as low as $1,264 on momondo.

What cabin class options are available on Boston Logan Intl to Incheon Intl flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to Incheon Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to Incheon Intl Airport flights?

You could potentially save up to 12% on your flight if you consider stops on a Boston to Incheon Intl Airport flight.

How have Boston to Incheon Intl Airport flight prices changed over time?

As of August 2025, prices for Boston to Incheon Intl Airport flights are approximately 14% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Incheon Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Incheon Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Incheon Intl Airport (BOS to ICN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Incheon Intl Airport

Best Price Found

$533

Fastest flight time

15h 30m

Direct flights

Every day
The best one-way flight to Incheon Intl Airport from Boston in the past 72 hours is $533. The best round-trip flight deal from Boston to Incheon Intl Airport found on momondo in the last 72 hours is $891.
The fastest flight from Boston to Incheon Intl Airport takes 15h 30m
Direct flights go from Boston to Incheon Intl Airport every day.
Search flight deals

  • How far is Boston Logan Intl to Incheon Intl by plane?

    The distance between Boston Logan Intl and Incheon Intl is about 6808.6 mi. By plane, this route typically takes 16h 55m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Incheon Intl Airport?

    Prices for flights from Boston Logan Intl Airport to Incheon Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Incheon Intl Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Incheon Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Incheon Intl Airport.

  • What documentation or ID do you need to fly to Incheon Intl Airport?

    The travel and health documents you'll need for your trip to Incheon Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Incheon Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boston to Incheon Intl Airport?

  • What is the most popular airline from Boston to Incheon Intl Airport?

Best airlines flying from Boston to Incheon Intl Airport

Compare and see reviews for airlines that fly from Boston to Incheon Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $357Free CancellationRating
7.9
7,977 reviews
Search Delta flights
Cathay PacificPriceFrom $774Free CancellationRating
7.6
977 reviews
Search Cathay Pacific flights
Turkish AirlinesPriceFrom $805Free CancellationRating
7.3
3,955 reviews
Search Turkish Airlines flights
Air CanadaPriceFrom $864Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
American AirlinesPriceFrom $875Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $902Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
Korean AirPriceFrom $1,466Free CancellationRating
8.4
1,133 reviews
Search Korean Air flights

  • Korean Air Flights From Boston to Incheon Intl Airport

    Korean Air is one of the most popular airlines flying from Boston to Incheon Intl Airport, operating 7 flights/week on average for this route. A good Korean Air flight deal for Boston to Incheon Intl Airport starts from $1,466 round-trip, up to an average price of $1,972. Our users have rated Korean Air at 8.4/10.

  • Delta Flights From Boston to Incheon Intl Airport

    Delta is also a popular choice for this route. Delta flight deals for Boston to Incheon Intl Airport start from as low as $357 round-trip, depending on your selected dates, with average Delta deals seen on momondo around $1,977. Delta operates 7 flights to Incheon Intl Airport from Boston in an average week. Users have rated it 7.9/10 across 7,977 reviews.

Traveling to a place near Seoul?

Book flights to Seoul if you plan to visit one of these locations
Suwon
Seongnam
Daejeon
Anyang

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Seoul?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to Seoul. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Boston to Seoul with flexible booking policies on momondo?

All flight searches from Boston to Seoul on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Boston to Seoul?

Once all potential Boston to Seoul flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Boston to Seoul right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seoul, momondo offers a useful price alert feature which will track prices for flights to Seoul from Boston and alert you when they change.

An easier way to manage your Incheon Intl Airport trip

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