Cheap flights from Boston to Seoul from $408

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 1/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Boston to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
8:00 pm - 9:05 am
BOS
-
ICN
23h 05m
1 stop
Turkish Airlines Logo
12:10 am - 6:05 pm
ICN
-
BOS
31h 55m
1 stop
$837Turkish Airlines
Wed, Feb 25 - Wed, Mar 4
Turkish Airlines Logo
8:00 pm - 6:20 pm
BOS
-
ICN
32h 20m
1 stop
Turkish Airlines Logo
12:10 am - 6:05 pm
ICN
-
BOS
31h 55m
1 stop
$847Turkish Airlines
Wed, Jan 28 - Thu, Feb 5
Turkish Airlines Logo
8:00 pm - 6:20 pm
BOS
-
ICN
32h 20m
1 stop
Turkish Airlines Logo
10:45 am - 6:05 pm
ICN
-
BOS
45h 20m
1 stop
$855Turkish Airlines
Sun, Jan 25 - Fri, Feb 6
Turkish Airlines Logo
8:00 pm - 9:05 am
BOS
-
ICN
23h 05m
1 stop
Turkish Airlines Logo
12:10 am - 7:05 pm
ICN
-
BOS
31h 55m
1 stop
$856Turkish Airlines
Wed, Mar 4 - Tue, Mar 10
Turkish Airlines Logo
9:50 pm - 5:40 pm
BOS
-
ICN
30h 50m
1 stop
Turkish Airlines Logo
11:20 pm - 7:55 pm
ICN
-
BOS
33h 35m
1 stop
$864Turkish Airlines
Sun, May 3 - Wed, May 13
Multiple Airlines Logo
6:40 pm - 1:50 pm
BOS
-
ICN
30h 10m
2 stops
Multiple Airlines Logo
9:10 pm - 5:40 pm
ICN
-
BOS
33h 30m
2 stops
$866Multiple Airlines
Fri, Apr 17 - Sun, Apr 26
Multiple Airlines Logo
6:40 pm - 8:05 pm
BOS
-
ICN
36h 25m
2 stops
Multiple Airlines Logo
8:20 am - 4:40 pm
ICN
-
BOS
21h 20m
1 stop
$870Multiple Airlines
Wed, Apr 29 - Wed, May 13
Multiple Airlines Logo
7:40 pm - 1:50 pm
BOS
-
ICN
29h 10m
2 stops
Multiple Airlines Logo
3:00 pm - 5:20 pm
ICN
-
BOS
39h 20m
1 stop
$872Multiple Airlines
Sun, Mar 15 - Tue, Mar 24
Multiple Airlines Logo
6:40 pm - 1:50 pm
BOS
-
ICN
30h 10m
2 stops
Multiple Airlines Logo
8:20 am - 4:40 pm
ICN
-
BOS
21h 20m
1 stop
$873Multiple Airlines
Wed, Apr 8 - Sun, Apr 12
Turkish Airlines Logo
8:00 pm - 6:20 pm
BOS
-
ICN
32h 20m
1 stop
Turkish Airlines Logo
10:45 am - 7:05 pm
ICN
-
BOS
45h 20m
1 stop
$874Turkish Airlines
Mon, Feb 23 - Mon, Mar 9

Turkish Airlines flights from Boston to Incheon Intl Airport

Our best Turkish Airlines deals on Boston to Incheon Intl Airport flight tickets
Turkish Airlines
Jan 20
BOS8:00 pmBoston Logan Intl
32h 20m
1 stop
ICN6:20 pmIncheon Intl
Feb 3
ICN12:10 amIncheon Intl
31h 55m
1 stop
BOS6:05 pmBoston Logan Intl
$837
Turkish Airlines
Jan 28
BOS8:00 pmBoston Logan Intl
32h 20m
1 stop
ICN6:20 pmIncheon Intl
Feb 5
ICN12:10 amIncheon Intl
31h 55m
1 stop
BOS6:05 pmBoston Logan Intl
$847
Turkish Airlines
Jan 25
BOS8:00 pmBoston Logan Intl
32h 20m
1 stop
ICN6:20 pmIncheon Intl
Feb 6
ICN10:45 amIncheon Intl
45h 20m
1 stop
BOS6:05 pmBoston Logan Intl
$855

Cathay Pacific flights from Boston to Incheon Intl Airport

Our best Cathay Pacific deals on Boston to Incheon Intl Airport flight tickets
Cathay Pacific
Jan 18
BOS12:30 amBoston Logan Intl
22h 15m
1 stop
ICN12:45 pmIncheon Intl
Feb 5
ICN1:45 pmIncheon Intl
22h 15m
1 stop
BOS10:00 pmBoston Logan Intl
$1,011
Cathay Pacific
Jan 26
BOS12:30 amBoston Logan Intl
30h 55m
1 stop
ICN9:25 pmIncheon Intl
Feb 5
ICN1:45 pmIncheon Intl
22h 15m
1 stop
BOS10:00 pmBoston Logan Intl
$1,013
Cathay Pacific
Jan 21
BOS12:30 amBoston Logan Intl
22h 15m
1 stop
ICN12:45 pmIncheon Intl
Feb 2
ICN7:35 pmIncheon Intl
40h 25m
1 stop
BOS10:00 pmBoston Logan Intl
$1,041

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 January 14, 2026.
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 2/25

8:00 pm-9:05 am

1 stop23h 05m

Incheon Intl

Wed 3/4

12:10 am-6:05 pm

1 stop31h 55m

$837

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Wed 1/28

8:00 pm-6:20 pm

1 stop32h 20m

Incheon Intl

Thu 2/5

12:10 am-6:05 pm

1 stop31h 55m

$847

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sun 1/25

8:00 pm-6:20 pm

1 stop32h 20m

Incheon Intl

Fri 2/6

10:45 am-6:05 pm

1 stop45h 20m

$855

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Wed 3/4

8:00 pm-9:05 am

1 stop23h 05m

Incheon Intl

Tue 3/10

12:10 am-7:05 pm

1 stop31h 55m

$856

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sun 5/3

9:50 pm-5:40 pm

1 stop30h 50m

Incheon Intl

Wed 5/13

11:20 pm-7:55 pm

1 stop33h 35m

$864

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Fri 4/17

6:40 pm-1:50 pm

2 stops30h 10m

Incheon Intl

Sun 4/26

9:10 pm-5:40 pm

2 stops33h 30m

$866

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Wed 4/29

6:40 pm-8:05 pm

2 stops36h 25m

Incheon Intl

Wed 5/13

8:20 am-4:40 pm

1 stop21h 20m

$870

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sun 3/15

7:40 pm-1:50 pm

2 stops29h 10m

Incheon Intl

Tue 3/24

3:00 pm-5:20 pm

1 stop39h 20m

$872

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Wed 4/8

6:40 pm-1:50 pm

2 stops30h 10m

Incheon Intl

Sun 4/12

8:20 am-4:40 pm

1 stop21h 20m

$873

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Mon 2/23

8:00 pm-6:20 pm

1 stop32h 20m

Incheon Intl

Mon 3/9

10:45 am-7:05 pm

1 stop45h 20m

$874

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Seoul from

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 cheapest month to fly to Incheon Intl Airport?

The cheapest month to fly to Incheon Intl Airport from Boston is in September. Flight prices, which tend to average around $978, 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 September, then departing from Boston during the month October is also very affordable. Most momondo users find prices during this month for around $1,028.

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 $1,026. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,219. 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 $1,093. 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 $1,537 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 $1,504 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 $1,183 on momondo.

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

There are 3 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 6% 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 January 2026, prices for Boston to Incheon Intl Airport flights are approximately 1% 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

$455

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 $455. The best round-trip flight deal from Boston to Incheon Intl Airport found on momondo in the last 72 hours is $787.
The fastest flight from Boston to Incheon Intl Airport takes 15h 30m
Direct flights go from Boston to Incheon Intl Airport every day.
  • 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 15h 30m.

  • 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
8,040 reviews
Search Delta flights
Cathay PacificPriceFrom $774Free CancellationRating
7.6
1,130 reviews
Search Cathay Pacific flights
Turkish AirlinesPriceFrom $823Free CancellationRating
7.3
4,167 reviews
Search Turkish Airlines flights
Air CanadaPriceFrom $870Free CancellationRating
7.1
10,619 reviews
Search Air Canada flights
United AirlinesPriceFrom $872Free CancellationRating
7.4
9,156 reviews
Search United Airlines flights
American AirlinesPriceFrom $872Free CancellationRating
7.2
11,120 reviews
Search American Airlines flights
Korean AirPriceFrom $1,528Free CancellationRating
8.4
1,187 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 $1,528 round-trip, up to an average price of $2,042. 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 $2,136. Delta operates 7 flights to Incheon Intl Airport from Boston in an average week. Users have rated it 7.9/10 across 8,040 reviews.

Traveling to a place near Seoul?

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 2/13
Fri 2/20

Find better results for your trip to Seoul

Popular cities in South Korea

Popular flights according to clicks in the last 7 days on momondo