Cheap flights from Boston to Seoul from $461

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 10/28. 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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Turkish Airlines Logo
8:00 pm - 9:05 amBOS-ICN
23h 05m1 stop
Turkish Airlines Logo
12:10 am - 6:05 pmICN-BOS
31h 55m1 stop
$846Turkish Airlines
Find Deal
Thu, Nov 27 - Mon, Dec 8
Turkish Airlines Logo
8:00 pm - 9:05 amBOS-ICN
23h 05m1 stop
Turkish Airlines Logo
12:10 am - 6:05 pmICN-BOS
31h 55m1 stop
$855Turkish Airlines
Find Deal
Mon, Feb 16 - Mon, Mar 2
American Airlines Logo
8:20 pm - 3:30 pmBOS-ICN
30h 10m2 stops
American Airlines Logo
5:55 pm - 1:05 pmICN-BOS
32h 10m1 stop
$869American Airlines
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Tue, Oct 21 - Mon, Oct 27
American Airlines Logo
5:30 am - 3:30 pmBOS-ICN
21h 00m1 stop
American Airlines Logo
7:15 pm - 11:02 pmICN-BOS
17h 47m1 stop
$872American Airlines
Find Deal
Tue, Oct 21 - Tue, Nov 11
Air Canada Logo
6:00 am - 5:30 pmBOS-ICN
22h 30m2 stops
Air Canada Logo
6:55 pm - 9:32 amICN-BOS
28h 37m2 stops
$898Air Canada
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Tue, Oct 21 - Wed, Nov 12
Air Canada Logo
10:40 am - 5:30 pmBOS-ICN
17h 50m1 stop
Air Canada Logo
6:55 pm - 9:32 amICN-BOS
28h 37m2 stops
$900Air Canada
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Thu, Oct 23 - Wed, Nov 5
United Airlines Logo
10:25 am - 4:20 amBOS-ICN
28h 55m1 stop
United Airlines Logo
6:00 pm - 9:30 amICN-BOS
29h 30m2 stops
$904United Airlines
Find Deal
Fri, Oct 24 - Sat, Nov 8
United Airlines Logo
3:45 pm - 4:20 amBOS-ICN
23h 35m2 stops
United Airlines Logo
5:05 pm - 5:56 amICN-BOS
25h 51m2 stops
$905United Airlines
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Tue, Oct 21 - Mon, Oct 27
Multiple Airlines Logo
6:40 pm - 1:50 pmBOS-ICN
30h 10m2 stops
Multiple Airlines Logo
12:50 pm - 4:40 pmICN-BOS
40h 50m1 stop
$906Multiple Airlines
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Sun, Oct 19 - Thu, Oct 23
Multiple Airlines Logo
7:40 pm - 2:10 pmBOS-GMP
29h 30m2 stops
Multiple Airlines Logo
8:35 am - 5:20 pmGMP-BOS
21h 45m1 stop
$928Multiple Airlines
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Sun, Oct 26 - Sun, Nov 2

Air Canada flights from Boston to Seoul

Our best Air Canada deals on Boston to Seoul flight tickets
Air Canada
Oct 21
BOS6:00 amBoston Logan Intl
22h 30m
2 stops
ICN5:30 pmIncheon Intl
Nov 12
ICN6:55 pmIncheon Intl
28h 37m
2 stops
BOS9:32 amBoston Logan Intl
Air Canada
Oct 23
BOS10:40 amBoston Logan Intl
17h 50m
1 stop
ICN5:30 pmIncheon Intl
Nov 5
ICN6:55 pmIncheon Intl
28h 37m
2 stops
BOS9:32 amBoston Logan Intl
Air Canada
Oct 20
BOS6:00 amBoston Logan Intl
22h 30m
1 stop
ICN5:30 pmIncheon Intl
Nov 4
ICN6:55 pmIncheon Intl
28h 37m
2 stops
BOS9:32 amBoston Logan Intl

Alaska Airlines flights from Boston to Seoul

Our best Alaska Airlines deals on Boston to Seoul flight tickets
Alaska Airlines
Oct 22
BOS7:20 amBoston Logan Intl
22h 15m
1 stop
ICN6:35 pmIncheon Intl
Nov 8
ICN8:35 pmIncheon Intl
17h 45m
1 stop
BOS12:20 amBoston Logan Intl
Alaska Airlines
Oct 4
BOS9:20 amBoston Logan Intl
20h 15m
1 stop
ICN6:35 pmIncheon Intl
Oct 18
ICN8:35 pmIncheon Intl
24h 18m
1 stop
BOS7:53 amBoston Logan Intl

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Seoul 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 October 2, 2025.
Use the filters below to find and compare flights from Boston to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Thu 11/27

8:00 pm-9:05 am

1 stop23h 05m

Incheon Intl

Mon 12/8

12:10 am-6:05 pm

1 stop31h 55m

$846

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Mon 2/16

8:00 pm-9:05 am

1 stop23h 05m

Incheon Intl

Mon 3/2

12:10 am-6:05 pm

1 stop31h 55m

$855

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Tue 10/21

8:20 pm-3:30 pm

2 stops30h 10m

Incheon Intl

Mon 10/27

5:55 pm-1:05 pm

1 stop32h 10m

$869

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Tue 10/21

5:30 am-3:30 pm

1 stop21h 00m

Incheon Intl

Tue 11/11

7:15 pm-11:02 pm

1 stop17h 47m

$872

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Tue 10/21

6:00 am-5:30 pm

2 stops22h 30m

Incheon Intl

Wed 11/12

6:55 pm-9:32 am

2 stops28h 37m

$898

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Thu 10/23

10:40 am-5:30 pm

1 stop17h 50m

Incheon Intl

Wed 11/5

6:55 pm-9:32 am

2 stops28h 37m

$900

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Fri 10/24

10:25 am-4:20 am

1 stop28h 55m

Incheon Intl

Sat 11/8

6:00 pm-9:30 am

2 stops29h 30m

$904

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Tue 10/21

3:45 pm-4:20 am

2 stops23h 35m

Incheon Intl

Mon 10/27

5:05 pm-5:56 am

2 stops25h 51m

$905

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sun 10/19

6:40 pm-1:50 pm

2 stops30h 10m

Incheon Intl

Thu 10/23

12:50 pm-4:40 pm

1 stop40h 50m

$906

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Sun 10/26

7:40 pm-2:10 pm

2 stops29h 30m

Seoul Gimpo Intl

Sun 11/2

8:35 am-5:20 pm

1 stop21h 45m

$928

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seoul from

How to get the cheapest flight ticket from Boston to Seoul

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 Seoul?

The month of November is another great option to travel to Seoul, with average flight prices from Boston averaging around $1,168.

What is the cheapest day to depart on your flight to Seoul?

According to our data, Monday is the cheapest day to fly to Seoul from Boston. The lowest ticket price found for a Monday departure recently was $1,038. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Friday, with ticket prices averaging around $1,218.

What is the cheapest time of day to depart on your flight to Seoul?

Flying to Seoul from Boston in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,093 when looking at flights departing in the morning. At noon is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,513 per ticket.

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

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

How far in advance should I book a flight to Seoul?

You are more likely to see cheaper flights to Seoul from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,425 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from Boston for as low as $1,225 on momondo.

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

There are 3 cabin classes available to choose from on Boston Logan Intl to Seoul 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 Seoul flights?

You could potentially save up to 24% on your flight if you consider stops on a Boston to Seoul flight.

How have Boston to Seoul flight prices changed over time?

As of October 2025, prices for Boston to Seoul flights are approximately 43% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Seoul

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

Cheap Boston to Seoul (BOS to SEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Seoul

Best Price Found

$515

Fastest flight time

15h 30m

Direct flights

Every day

Airports in Seoul

1 airport
The best one-way flight to Seoul from Boston in the past 72 hours is $515. The best round-trip flight deal from Boston to Seoul found on momondo in the last 72 hours is $886.
The fastest flight from Boston to Seoul takes 15h 30m
Direct flights go from Boston to Seoul every day.
There is 1 airport near Seoul: Incheon Intl (ICN)
  • How far is Boston Logan Intl to Seoul by plane?

    The distance between Boston Logan Intl and Seoul is about 6795.0 mi. A reasonable flight in good conditions will take 17h 50m.

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

    Prices for flights from Boston Logan Intl Airport to Seoul are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Seoul.

  • What documentation or ID do you need to fly to Seoul?

    The travel and health documents you'll need for your trip to Seoul 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 Seoul. 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 Seoul?

  • What is the most popular airline from Boston to Seoul?

Best airlines flying from Boston to Seoul

Compare and see reviews for airlines that fly from Boston to Seoul with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $397Free CancellationRating
7.9
7,962 reviews
Search Delta flights
Cathay PacificPriceFrom $774Free CancellationRating
7.6
1,015 reviews
Search Cathay Pacific flights
Turkish AirlinesPriceFrom $805Free CancellationRating
7.3
3,983 reviews
Search Turkish Airlines flights
Air CanadaPriceFrom $864Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
American AirlinesPriceFrom $873Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $901Free CancellationRating
7.4
8,933 reviews
Search United Airlines flights
Korean AirPriceFrom $1,495Free CancellationRating
8.4
1,145 reviews
Search Korean Air flights
  • Korean Air Flights From Boston to Seoul

    Korean Air flies from Boston to Seoul around 7 times per week, with 1,145 momondo users rating the airline 8.4/10. The cheapest Korean Air deal from Boston to Seoul in the last 72 hours was $1,495 (round-trip), much lower than the average airfare cost of $1,970 for Korean Air flights on this route.

  • Delta Flights From Boston to Seoul

    Delta (7.9/10 from 7,962 reviews) operates around 7 flights from Boston to Seoul in any given week. The average Delta airfare for this route is around $1,878, with deals from around $397 rare but found on momondo. Referenced prices are for round-trip Boston to Seoul flight searches in the last 72 hours.

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 you have performed a search for Boston to Seoul flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Seoul from Boston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Sat 11/1
Sat 11/8

Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul