$356+ Flights from Boston to Incheon Intl Airport

One-way flight from Boston Logan Intl to Incheon Intl

Highest demand for flights based on searches. 15% potential increase in price ($264 potential increase over avg. RT price).

Cheapest flight prices on average. 3% potential price decrease ($52 potential savings vs. average RT price).

Average for round-trip flights in June 2025

Price to beat on a round-trip flight from Boston Logan Intl to Incheon Intl.

Price to beat on a one-way flight from Boston Logan Intl to Incheon Intl.

Find flight deals from Boston to Incheon Intl

Cheapest flights from Boston to Incheon Intl
Explore the most affordable flight options available from Boston to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Sat 11/15:40 pmBOS - ICN

2 stops34h 25mAir Canada

Sun 11/98:10 pmICN - BOS

1 stop27h 47mAir Canada

Deal found 6/10

$1,007

Sun 9/281:40 amBOS - ICN

1 stop23h 25mCathay Pacific

Tue 10/143:10 pmICN - BOS

1 stop20h 50mCathay Pacific

Deal found 6/10

$1,014

Sun 9/216:30 pmBOS - ICN

2 stops32h 35mMultiple Airlines

Sat 9/2712:55 pmICN - BOS

3 stops46h 17mMultiple Airlines

Deal found 6/10

$1,048

Sat 8/309:35 pmBOS - ICN

1 stop31h 05mTurkish Airlines

Sun 9/711:20 pmICN - BOS

1 stop33h 20mTurkish Airlines

Deal found 6/10

$1,055

Sat 8/307:00 pmBOS - ICN

2 stops58h 45mWestJet

Thu 9/118:45 pmICN - BOS

1 stop33h 55mWestJet

Deal found 6/10

$1,068

Mon 9/11:45 pmBOS - ICN

3 stops36h 50mSingapore Airlines

Mon 9/84:45 pmICN - BOS

3 stops36h 24mSingapore Airlines

Deal found 6/10

$1,177

Mon 9/156:00 amBOS - ICN

1 stop20h 30mAmerican Airlines

Mon 9/295:25 pmICN - BOS

1 stop19h 17mAmerican Airlines

Deal found 6/12

$1,200

Best flights from Boston to Incheon Intl
Discover carefully curated flight deals from Boston to Incheon Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Sat 9/61:40 amBOS - ICN

1 stop22h 00mCathay Pacific

Mon 9/223:10 pmICN - BOS

1 stop20h 50mCathay Pacific

Deal found 6/10

$1,041

Wed 9/36:30 pmBOS - ICN

1 stop32h 45mAir Canada

Wed 9/106:00 pmICN - BOS

1 stop28h 30mAir Canada

Deal found 6/10

$1,047

Fri 7/2510:40 amBOS - ICN

1 stop17h 50mMultiple Airlines

Mon 8/258:30 amICN - BOS

2 stops26h 26mMultiple Airlines

Deal found 6/9

$1,049

Sat 8/309:35 pmBOS - ICN

1 stop31h 05mTurkish Airlines

Sun 9/711:20 pmICN - BOS

1 stop33h 20mTurkish Airlines

Deal found 6/10

$1,055

Sat 8/307:00 pmBOS - ICN

2 stops58h 45mWestJet

Thu 9/118:45 pmICN - BOS

1 stop33h 55mWestJet

Deal found 6/10

$1,068

Mon 9/11:45 pmBOS - ICN

3 stops36h 50mSingapore Airlines

Mon 9/84:45 pmICN - BOS

3 stops36h 24mSingapore Airlines

Deal found 6/10

$1,177

Wed 8/205:55 amBOS - ICN

1 stop20h 35mAmerican Airlines

Thu 9/45:25 pmICN - BOS

1 stop19h 16mAmerican Airlines

Deal found 6/10

$1,293

Last-minute flights from Boston to Incheon Intl
Discover last-minute flight deals from Boston to Incheon Intl. Data last updated June 12, 2025 and is based on user searches.

Tue 6/178:00 amBOS - ICN

2 stops25h 00mMultiple Airlines

Tue 7/299:05 pmICN - BOS

1 stop34h 05mMultiple Airlines

Deal found 6/12

$1,411

Tue 6/176:20 amBOS - ICN

2 stops40h 35mChina Eastern

Sun 7/66:25 pmICN - BOS

2 stops40h 24mChina Eastern

Deal found 6/12

$1,922

Tue 6/171:45 pmBOS - ICN

3 stops36h 50mSingapore Airlines

Sun 7/64:45 pmICN - BOS

3 stops38h 14mSingapore Airlines

Deal found 6/12

$2,333

Tue 6/1710:00 pmBOS - ICN

1 stop30h 05mQatar Airways

Sat 7/51:20 amICN - BOS

1 stop26h 45mQatar Airways

Deal found 6/12

$2,496

Fri 6/2010:30 amBOS - ICN

2 stops28h 50mUnited Airlines

Thu 6/264:50 pmICN - BOS

2 stops26h 11mUnited Airlines

Deal found 6/11

$1,425

Sat 6/2111:35 pmBOS - ICN

2 stops27h 50mKLM

Sun 6/2910:25 pmICN - BOS

1 stop32h 55mKLM

Deal found 6/10

$1,780

Sat 6/2112:30 pmBOS - ICN

2 stops32h 00mLOT

Mon 6/3011:20 amICN - BOS

2 stops50h 07mLOT

Deal found 6/10

$1,886

Sat 6/211:40 amBOS - ICN

1 stop28h 25mCathay Pacific

Fri 6/271:40 pmICN - BOS

1 stop22h 20mCathay Pacific

Deal found 6/11

$2,024

Sun 6/225:50 amBOS - ICN

2 stops22h 40mAir Canada

Mon 6/307:05 pmICN - BOS

2 stops27h 30mAir Canada

Deal found 6/10

$1,716

Sun 6/224:30 pmBOS - ICN

1 stop29h 15mEtihad Airways

Fri 6/271:35 amICN - BOS

1 stop26h 20mEtihad Airways

Deal found 6/10

$1,838

Sun 6/2212:55 pmBOS - ICN

Nonstop15h 30mKorean Air

Mon 6/309:30 amICN - BOS

Nonstop13h 50mKorean Air

Deal found 6/10

$2,503

Sun 6/229:05 pmBOS - ICN

1 stop28h 05mDelta

Mon 6/309:30 amICN - BOS

Nonstop13h 50mDelta

Deal found 6/10

$2,517

One-way flights from Boston to Incheon Intl
Search for one-way flight options from Boston to Incheon Intl. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Fri 8/297:00 pmBOS - ICN

1 stop37h 35mMultiple Airlines

Deal found 6/11

$356

Mon 8/257:00 pmBOS - ICN

3 stops58h 45mWestJet

Deal found 6/11

$413

Mon 8/256:40 pmBOS - ICN

1 stop32h 35mAir Canada

Deal found 6/11

$534

Sat 7/194:30 pmBOS - ICN

1 stop40h 35mEtihad Airways

Deal found 6/11

$616

Tue 8/191:40 amBOS - ICN

1 stop30h 30mCathay Pacific

Deal found 6/11

$663

Mon 8/258:23 pmBOS - ICN

3 stops33h 37mAlaska Airlines

Deal found 6/11

$721

Tue 8/2612:30 pmBOS - ICN

3 stops26h 50mUnited Airlines

Deal found 6/10

$766

Fri 9/54:40 pmBOS - ICN

3 stops40h 40mSingapore Airlines

Deal found 6/11

$775

Tue 6/179:30 amBOS - ICN

2 stops47h 15mAir China

Deal found 6/12

$870

Cheapflights Fare Finder

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

Sat 9/6

1:40 am-12:40 pm

1 stop22h 00m

Incheon Intl

Mon 9/22

3:10 pm-11:00 pm

1 stop20h 50m

$1,041

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Wed 9/3

6:30 pm-4:15 pm

1 stop32h 45m

Incheon Intl

Wed 9/10

6:00 pm-9:30 am

1 stop28h 30m

$1,047

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Fri 7/25

10:40 am-5:30 pm

1 stop17h 50m

Incheon Intl

Mon 8/25

8:30 am-9:56 pm

2 stops26h 26m

$1,049

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sat 8/30

9:35 pm-5:40 pm

1 stop31h 05m

Incheon Intl

Sun 9/7

11:20 pm-7:40 pm

1 stop33h 20m

$1,055

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sat 8/30

7:00 pm-6:45 pm

2 stops58h 45m

Incheon Intl

Thu 9/11

8:45 pm-5:40 pm

1 stop33h 55m

$1,068

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Mon 9/1

1:45 pm-3:35 pm

3 stops36h 50m

Incheon Intl

Mon 9/8

4:45 pm-4:09 pm

3 stops36h 24m

$1,177

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Wed 8/20

5:55 am-3:30 pm

1 stop20h 35m

Incheon Intl

Thu 9/4

5:25 pm-11:41 pm

1 stop19h 16m

$1,293

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Fri 8/29

7:00 pm-9:35 pm

1 stop37h 35m

$356

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Mon 8/25

7:00 pm-6:45 pm

3 stops58h 45m

$413

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Mon 8/25

6:40 pm-4:15 pm

1 stop32h 35m

$534

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 16 results

The best insider tips for Boston to Incheon Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Incheon Intl Airport trip

Airports

BOS

Use the FlyLogan App to pre-order food and save time at BOS. Most eateries participate, ensuring your meal is ready for pick-up.

ICN

Take the AREX express train from ICN to Seoul Station for a quick 40-50 minute journey. It’s convenient and avoids traffic.

Our travel experts

Gabriel Leigh

Expert on ICN

Paul Rubio

Expert on BOS

Best time to book a flight from Boston to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from Boston with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Incheon Intl Airport

How far ahead should I book a flight from Boston to Incheon Intl Airport?

Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Incheon Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Boston to Incheon Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Boston to Incheon Intl Airport (average of $1,000). Flying from Boston to Incheon Intl Airport in December is currently the most expensive (average of $1,635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to ICN?

A simple way to save on the total cost of your ticket is to fly from Boston to Incheon Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 19% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Boston to Incheon Intl Airport?

Travelers seeking maximum savings on their Boston to Incheon Intl Airport flight should consider departing on Monday mornings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boston to Incheon Intl Airport

The most flights from BOS to ICN are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Incheon Intl by month

In terms of precipitation, rainfall in Incheon Intl Airport ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit Incheon Intl Airport when rainfall is around 0.8 in.

Temperature in Incheon Intl by month

If weather is an important factor for your trip to Incheon Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Incheon Intl

Peruse reviews from past customers who have flown with Singapore Airlines, Alaska Airlines and Cathay Pacific from Boston to Seoul to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

8.1

Very good

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

8.1

Very good

8.1

Very good

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Alaska Airlines

8.0

Very good

10,000 reviews

8.1

Very good

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Cathay Pacific

7.6

Good

892 reviews

8.1

Very good

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Etihad Airways

7.4

Good

1,211 reviews

8.1

Very good

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

United Airlines

7.4

Good

8,790 reviews

8.1

Very good