What percentage of Boston to Seoul flights are direct?

In the trailing 90 days, approximately 3.1% of flights from Boston to Seoul were direct. The vast majority of travelers on this route typically opted for connecting flights. For those connecting, the median number of stopovers was 2. This indicates that direct options are relatively infrequent for this route.

What's the flight time from Boston to Seoul?

The typical direct flight time from Boston to Seoul is 15 hours and 30 minutes, covering a distance of 10964 kilometers. Flights with one stop generally take longer, with a median duration of 22 hours and 20 minutes. This represents a significant difference in travel time compared to direct services.

Is it cheaper to fly direct or with a layover from Boston to Seoul?

Historically, it has been cheaper to fly from Boston to Seoul with a layover. Connecting flights had a median price of $1187. Direct flights, on the other hand, were typically more expensive, with a median price of $1627. This represents a premium of approximately 37% for direct services, which accounted for about 4.4% of available flights.

Flights From Boston

To Seoul

Cheap Flights from Boston to Seoul

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Deals from

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RatePunk searches hundreds of travel sites at once for deals on flights to Seoul

Prices updated 1 day ago

461 airlines compared

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Fares are subject to change and may not be available for all dates. (Data last updated Sep 14, 2026.)

Today’s best flight deals from Boston to Seoul

Explore current cheapest deals departing from Boston to Seoul

2026-11-01 – 2026-11-06
BOS - Seoul
89% AI deal score
$1,220
$927
Round trip
2026-11-11 – 2026-11-22
BOS - Seoul
78% AI deal score
$975
$928
Round trip
2026-11-01 – 2026-11-15
BOS - Seoul
77% AI deal score
$968
$935
Round trip
2026-11-04 – 2026-11-11
BOS - Seoul
87% AI deal score
$1,183
$949
Round trip
2026-11-13 – 2026-11-22
BOS - Seoul
87% AI deal score
$1,166
$956
Round trip
2026-09-16 – 2026-09-23
BOS - Seoul
90% AI deal score
$1,401
$957
Round trip
2026-11-18 – 2026-11-29
BOS - Seoul
87% AI deal score
$1,165
$957
Round trip
2026-11-13 – 2026-11-27
BOS - Seoul
86% AI deal score
$1,159
$971
Round trip
2026-10-24 – 2026-10-30
BOS - Seoul
79% AI deal score
$1,046
$972
Round trip
2026-11-20 – 2026-11-29
BOS - Seoul
76% AI deal score
$987
$979
Round trip

Boston to Seoul: Overview

Insights for flights from Boston to Seoul

Most itineraries from Boston to Seoul connect at least once, with only 3.1% of recent fares being non-stop. For connecting flights, the typical number of stopovers is 2. This means that for cheap flights from Boston to Seoul, you will most likely be looking at itineraries with at least one connection.

Right now, fares to Seoul are above the typical level, with prices typically ranging from $1173–$2020, and a median of $1488. Only 11% of recent fares were classified as a good price, indicating that finding a significant discount can be challenging. New deals appear almost daily, so setting up a price alert can help you track fluctuations.

When is the cheapest time to fly from Boston to Seoul? The data indicates that January is typically the most affordable month, with a median fare of $780. Other cost-effective options include April, with a median fare of $938, and July, where the median fare is $1054. Planning your trip during these months could lead to more favorable prices.

A typical journey from Boston to Seoul, including connections, takes approximately 42h 50m. This long duration reflects the significant distance and the prevalence of connecting itineraries on this route. Given that most flights involve at least one stopover, the total travel time can vary considerably depending on the specific connections.

The distance between Boston and Seoul is approximately 10964 km, classifying this as a long-haul international route. This substantial distance contributes to the extended flight times and the necessity for connecting flights for the majority of travelers.

How much is a round trip from Boston to Seoul

Regular price: $1,061 - $2,127

Prices are currently below the regular range for flights from Boston to Seoul.

The regular price range for flights from Boston to Seoul is $1061 to $2127. The current lowest deal is $932 with Hainan Airlines for travel from Nov 1-Nov 6.

now $932

Low $1,061

High $2,127

The cheapest time to fly from Boston to Seoul

The cheapest month to fly from Boston to Seoul is January, with a median price of $780. The most expensive month is December, with a median price of $2895. Prices are generally lower from January to November.

January

Cheapest

Flights from $780

December

Most Expensive

Flights from $2,895

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Boston to Seoul

Korean Air

Last-minute flights going from Boston to Seoul

Mon, Sep 14

⌛ Last-Minute

BOS - Seoul

Boston (BOS) - Seoul (ICN)

Air Canada

$1,155

$1,185

One-way

Tue, Sep 15

⌛ Last-Minute

BOS - Seoul

Boston (BOS) - Seoul (ICN)

American Airlines

$1,155

$1,045

One-way

Wed, Sep 16

⌛ Last-Minute

BOS - Seoul

Boston (BOS) - Seoul (GMP)

Hainan Airlines

$1,401

$957

One-way

Wed, Sep 16

⌛ Last-Minute

BOS - Seoul

Boston (BOS) - Seoul (ICN)

American Airlines

$1,147

$1,070

One-way

Fri, Sep 18

⌛ Last-Minute

BOS - Seoul

Boston (BOS) - Seoul (ICN)

American Airlines

$1,148

$1,054

One-way

Thu, Oct 1

⌛ Last-Minute

BOS - Seoul

Boston (BOS) - Seoul (ICN)

American Airlines

$1,002

$1,052

One-way

Biggest price drops on these dates for flights from Boston to Seoul

7 nights

Sep 16 - Sep 23

$1,401 → $963

31%

7 nights

Dec 9 - Dec 16

$1,348 → $1,005

25%

10 nights

Dec 6 - Dec 16

$1,315 → $1,000

24%

5 nights

Nov 1 - Nov 6

$1,220 → $932

24%

Popular Airports to fly from Boston to Seoul

Boston - Seoul route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Boston to Seoul are above the typical level of $1488.

📅 Best time to fly

January is historically cheapest at $780

Historically, January is the cheapest month to fly from Boston to Seoul, with a median price of $780.

⏱️ Flight duration

Median flight time is 42h 50m

The median flight time for connecting flights from Boston to Seoul is 42 hours and 50 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights make up 96.9% of recent routes from Boston to Seoul.

🏆 Airline highlight

Hainan Airlines offers a recent deal

A recent deal from Boston to Seoul was found with Hainan Airlines for $932.

🎯 Booking tip

Deals appear frequently on this route

Deals for flights from Boston to Seoul appear frequently, with 11% considered good prices.

Boston main airports to depart from

Logan International (BOS)

Cheapest

Logan International Airport is a convenient departure point for flights from Boston to Seoul.

📍 ~4 km from city center (reachable by car or public transport)

💸 Flights from ~$862

Seoul main airports to arrive at

Incheon International (ICN)

Cheapest

Fly into Incheon International for convenient access to Seoul, with flights from Boston starting at $862.

📍 ~48 km from Seoul (reachable by car)

💸 Flights from ~$862

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International can be a useful alternative arrival airport, offering good bus and rail connectivity to Seoul.

📍 ~110 km from Seoul (reachable by bus and rail)

💸 Flights from ~$1,288

Business & First Class Flight Deals to Seoul

Discover luxury on the budget with premium cabin class on flights from Boston to Seoul.

Elite

Best Elite deals to Seoul

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From BOS

Elite

Nov 12

Seoul, South Korea

92% AI deal score

$5,561

$4,097

Save $1,464

Cathay Pacific

Business Class

From BOS

Elite

Sep 16

Seoul, South Korea

91% AI deal score

$27,985

$20,962

Save $7,023

Korean Air

Business Class

From BOS

Elite

Sep 16

Seoul, South Korea

91% AI deal score

$27,162

$20,962

Save $6,200

Korean Air

Business Class

From BOS

Elite

Sep 16

Seoul, South Korea

91% AI deal score

$27,613

$20,962

Save $6,651

Korean Air

Business Class

From BOS

Elite

Sep 17

Seoul, South Korea

91% AI deal score

$26,801

$20,967

Save $5,834

Korean Air

Business Class

From BOS

Elite

Sep 17

Seoul, South Korea

91% AI deal score

$27,245

$20,967

Save $6,278

Korean Air

Business Class

From BOS

Elite

Nov 14

Seoul, South Korea

90% AI deal score

$5,885

$4,432

Save $1,453

Alaska Airlines, Inc., +1

Business Class

From BOS

Elite

Oct 08

Seoul, South Korea

90% AI deal score

$26,001

$20,932

Save $5,069

Korean Air

Business Class

From BOS

Elite

Sep 16

Seoul, South Korea

90% AI deal score

$26,279

$20,962

Save $5,317

Korean Air

Business Class

From BOS

Elite

Jan 01

Seoul, South Korea

90% AI deal score

$25,343

$20,967

Save $4,376

Korean Air

Business Class

From BOS

Elite

Jan 01

Seoul, South Korea

90% AI deal score

$25,562

$20,967

Save $4,595

Korean Air

Business Class

From BOS

Elite

Sep 17

Seoul, South Korea

90% AI deal score

$25,930

$20,992

Save $4,938

Korean Air

Business Class

Frequently Asked Questions About Flights to Seoul

Historically, the lowest prices for flights from Boston to Seoul are found when booking 14-27 days in advance. During this period, the average price was $1109. Booking within 0-6 days of departure typically saw prices rise to an average of $1565. For those booking 7-13 days out, the average price was $1960, indicating that last-minute bookings tend to be more expensive.

Across the trailing quarter, a good deal for a flight from Boston to Seoul was considered to be $1173 or less. The median price for this route was $1488. Prices typically ranged up to $2020 for the higher end of fares. Therefore, if you find a flight at or below $1173, it is historically considered a favorable price.

Historically, January has been the cheapest month to fly from Boston to Seoul, with a median price of $780. April also offered competitive prices, with a median of $938. In contrast, July typically saw higher median prices at $1054. The annual median price for this route was $1488, making January and April notably more affordable.

Boston to Seoul: Overview

Insights for flights from Boston to Seoul

How much is a round trip from Boston to Seoul

Regular price: $1,061 - $2,127

Prices are currently below the regular range for flights from Boston to Seoul.

The regular price range for flights from Boston to Seoul is $1061 to $2127. The current lowest deal is $932 with Hainan Airlines for travel from Nov 1-Nov 6.

now $932

Low $1,061

High $2,127

The cheapest time to fly from Boston to Seoul

January

Cheapest

Flights from $780

December

Most Expensive

Flights from $2,895

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Boston to Seoul

Korean Air

Last-minute flights going from Boston to Seoul

Mon, Sep 14

⌛ Last-Minute

BOS - Seoul

Boston (BOS) - Seoul (ICN)

Air Canada

$1,155

$1,185

One-way

Tue, Sep 15

⌛ Last-Minute

BOS - Seoul

Boston (BOS) - Seoul (ICN)

American Airlines

$1,155

$1,045

One-way

Wed, Sep 16

⌛ Last-Minute

BOS - Seoul

Boston (BOS) - Seoul (GMP)

Hainan Airlines

$1,401

$957

One-way

Wed, Sep 16

⌛ Last-Minute

BOS - Seoul

Boston (BOS) - Seoul (ICN)

American Airlines

$1,147

$1,070

One-way

Fri, Sep 18

⌛ Last-Minute

BOS - Seoul

Boston (BOS) - Seoul (ICN)

American Airlines

$1,148

$1,054

One-way

Thu, Oct 1

⌛ Last-Minute

BOS - Seoul

Boston (BOS) - Seoul (ICN)

American Airlines

$1,002

$1,052

One-way

Biggest price drops on these dates for flights from Boston to Seoul

7 nights

Sep 16 - Sep 23

$1,401 → $963

31%

7 nights

Dec 9 - Dec 16

$1,348 → $1,005

25%

10 nights

Dec 6 - Dec 16

$1,315 → $1,000

24%

5 nights

Nov 1 - Nov 6

$1,220 → $932

24%

Popular Airports to fly from Boston to Seoul

Boston - Seoul route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Boston to Seoul are above the typical level of $1488.

📅 Best time to fly

January is historically cheapest at $780

Historically, January is the cheapest month to fly from Boston to Seoul, with a median price of $780.

⏱️ Flight duration

Median flight time is 42h 50m

The median flight time for connecting flights from Boston to Seoul is 42 hours and 50 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights make up 96.9% of recent routes from Boston to Seoul.

🏆 Airline highlight

Hainan Airlines offers a recent deal

A recent deal from Boston to Seoul was found with Hainan Airlines for $932.

🎯 Booking tip

Deals appear frequently on this route

Deals for flights from Boston to Seoul appear frequently, with 11% considered good prices.

Boston main airports to depart from

Logan International (BOS)

Cheapest

Logan International Airport is a convenient departure point for flights from Boston to Seoul.

📍 ~4 km from city center (reachable by car or public transport)

💸 Flights from ~$862

Seoul main airports to arrive at

Incheon International (ICN)

Cheapest

Fly into Incheon International for convenient access to Seoul, with flights from Boston starting at $862.

📍 ~48 km from Seoul (reachable by car)

💸 Flights from ~$862

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International can be a useful alternative arrival airport, offering good bus and rail connectivity to Seoul.

Seoul, South Korea

90% AI deal score

$25,930

$20,992

Save $4,938

Korean Air

Business Class

Frequently Asked Questions About Flights to Seoul

Cheap Flights from Boston to Seoul

Today’s best flight deals from Boston to Seoul

Boston to Seoul: Overview

Insights for flights from Boston to Seoul

How much is a round trip from Boston to Seoul

The cheapest time to fly from Boston to Seoul

Direct flights from Boston to Seoul

Last-minute flights going from Boston to Seoul

Biggest price drops on these dates for flights from Boston to Seoul

Popular Airports to fly from Boston to Seoul

Boston - Seoul route insights

Recent fares are above the typical level

January is historically cheapest at $780

Median flight time is 42h 50m

Connecting flights are dominant

Hainan Airlines offers a recent deal

Deals appear frequently on this route

Boston main airports to depart from

Seoul main airports to arrive at

Airports nearby Seoul used as alternative

Business & First Class Flight Deals to Seoul

Best Elite deals to Seoul

Nov 12

Sep 16

Sep 16

Sep 16

Sep 17

Sep 17

Nov 14

Oct 08

Sep 16

Jan 01

Jan 01

Sep 17

Frequently Asked Questions About Flights to Seoul

How early should I book Boston to Seoul flights to get the cheapest price?

How do I know if a Boston to Seoul flight is a good deal?

What's the cheapest month to fly from Boston to Seoul?

What percentage of Boston to Seoul flights are direct?

What's the flight time from Boston to Seoul?

Is it cheaper to fly direct or with a layover from Boston to Seoul?

Related routes

More routes from Boston

Flights to Seoul from other cities

Boston to Seoul: Overview

Insights for flights from Boston to Seoul

How much is a round trip from Boston to Seoul

The cheapest time to fly from Boston to Seoul

Direct flights from Boston to Seoul

Last-minute flights going from Boston to Seoul

Biggest price drops on these dates for flights from Boston to Seoul

Popular Airports to fly from Boston to Seoul

Boston - Seoul route insights

Recent fares are above the typical level

January is historically cheapest at $780

Median flight time is 42h 50m

Connecting flights are dominant

Hainan Airlines offers a recent deal

Deals appear frequently on this route

Boston main airports to depart from

Seoul main airports to arrive at

Airports nearby Seoul used as alternative

Business & First Class Flight Deals to Seoul

Best Elite deals to Seoul

Nov 12

Sep 16

Sep 16

Sep 16

Sep 17

Sep 17

Nov 14

Oct 08

Sep 16

Jan 01

Jan 01

Sep 17

Frequently Asked Questions About Flights to Seoul

How early should I book Boston to Seoul flights to get the cheapest price?

How do I know if a Boston to Seoul flight is a good deal?

What's the cheapest month to fly from Boston to Seoul?