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$392+ Cheap flights from Boston (BOS) to Seoul (SEL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SEL
Jun 28 — Jul 51
Sat 6/28
Sat 7/5
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Seoul are usually found in September or March, booked 44 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Boston to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 23, 2025.

Round-trip from

$1,025
(Travelocity)

One-way from

$392
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,920

Good round-trip deal

$903 or less

Good one-way deal

$516 or less
From Boston Logan Intl to Seoul (SEL)
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One-way flight from Boston Logan Intl to Seoul (SEL)
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Highest demand for flights based on searches. 8% potential increase in price ($142 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Seoul (SEL).
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Seoul (SEL).
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Find flight deals from Boston to Seoul

Cheapest flights from Boston to Seoul
Explore the most affordable flight options available from Boston to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2025.

This Travelocity deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/156:40 pmBOS - ICN
1 stop32h 35mMultiple Airlines
Tue 8/2610:10 amICN - BOS
2 stops36h 20mMultiple Airlines
Deal found 6/23$1,025
This oojo deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/241:40 amBOS - ICN
1 stop27h 55mCathay Pacific
Fri 11/141:50 pmICN - BOS
1 stop22h 10mCathay Pacific
Deal found 6/23$1,026
This FlightHub deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/196:40 pmBOS - GMP
2 stops31h 20mMultiple Airlines
Wed 10/229:05 amGMP - BOS
1 stop20h 35mMultiple Airlines
Deal found 6/23$1,038
This Air Canada deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/305:50 amBOS - ICN
2 stops21h 15mAir Canada
Sun 9/216:00 pmICN - BOS
1 stop16h 25mAir Canada
Deal found 6/23$1,038
This CrystalTravel deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/299:00 pmBOS - ICN
1 stop23h 05mTurkish Airlines
Mon 11/1012:10 amICN - BOS
1 stop31h 55mTurkish Airlines
Deal found 6/22$1,115
This Alaska Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/138:23 pmBOS - ICN
2 stops33h 12mAlaska Airlines
Thu 10/168:35 pmICN - BOS
2 stops56h 25mAlaska Airlines
Deal found 6/21$1,188
This WestJet deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/127:00 pmBOS - ICN
2 stops35h 40mWestJet
Fri 10/108:45 pmICN - BOS
1 stop33h 55mWestJet
Deal found 6/21$1,189
This Gurufare deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/265:00 amBOS - GMP
2 stops24h 20mJapan Airlines
Tue 11/117:50 amGMP - BOS
2 stops22h 39mJapan Airlines
Deal found 6/22$1,275
This American Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/75:49 amBOS - ICN
1 stop20h 41mAmerican Airlines
Thu 10/235:25 pmICN - BOS
1 stop18h 44mAmerican Airlines
Deal found 6/21$1,292
This FlightHub deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/44:40 pmBOS - ICN
3 stops33h 55mSingapore Airlines
Sun 9/1411:20 amICN - BOS
3 stops41h 49mSingapore Airlines
Deal found 6/21$1,293
This Ovago deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:00 amBOS - GMP
2 stops41h 05mAir China
Wed 11/268:35 amGMP - BOS
2 stops27h 03mAir China
Deal found 6/22$1,444
This Cheapflightsfares deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/159:30 amBOS - GMP
2 stops23h 50mANA
Mon 9/297:40 amGMP - BOS
2 stops24h 16mANA
Deal found 6/21$1,501

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 23, 2025.
Use the filters below to find and compare flights from Boston to Seoul that are best for you.

Fly from

Boston

Fly to

Seoul

Route

Depart

Return

Price

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Fri 8/15

6:40 pm-4:15 pm

1 stop32h 35m

Incheon Intl

Tue 8/26

10:10 am-9:30 am

2 stops36h 20m

$1,025

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sun 8/31

1:40 am-12:40 pm

1 stop22h 00m

Incheon Intl

Fri 9/19

8:05 pm-11:00 pm

1 stop39h 55m

$1,028

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sat 8/30

6:40 pm-4:05 pm

2 stops32h 25m

Incheon Intl

Sun 9/21

5:45 pm-9:30 am

2 stops28h 45m

$1,038

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sat 9/13

8:23 pm-6:35 pm

2 stops33h 12m

Incheon Intl

Thu 10/16

8:35 pm-4:00 pm

2 stops56h 25m

$1,188

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Fri 9/12

7:00 pm-7:40 pm

2 stops35h 40m

Incheon Intl

Sun 10/12

8:45 pm-5:40 pm

1 stop33h 55m

$1,189

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Mon 8/25

9:35 pm-5:40 pm

1 stop31h 05m

Incheon Intl

Mon 12/22

12:10 am-6:05 pm

1 stop31h 55m

$1,225

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Tue 9/16

1:20 pm-10:45 am

1 stop32h 25m

Seoul Gimpo Intl

Sat 9/20

7:20 pm-6:05 pm

1 stop35h 45m

$1,292

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Thu 9/4

4:40 pm-3:35 pm

3 stops33h 55m

Incheon Intl

Sun 9/14

11:20 am-4:09 pm

3 stops41h 49m

$1,293

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sat 8/23

4:35 pm-3:30 pm

1 stop33h 55m

Incheon Intl

Tue 9/2

5:25 pm-11:16 pm

1 stop18h 51m

$1,302

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Sun 8/17

6:32 am-9:50 pm

2 stops26h 18m

Seoul Gimpo Intl

Thu 8/21

7:40 am-10:38 pm

2 stops27h 58m

$1,307

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/23

Showing 1-10 of 24 results
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The best insider tips for Boston to Seoul flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Seoul trip
Airports
BOS

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

Read more about BOSby Paul Rubio
ICN

The AREX express train is a quick, convenient option to reach Seoul Station from ICN, taking 40-50 minutes. Ideal for avoiding traffic.

Read more about ICNby Gabriel Leigh
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on ICN

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Paul Rubio

Paul Rubio

Expert on BOS

Paul Rubio

Paul Rubio

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more

Best time to book a flight from Boston to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul 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 Seoul

How far ahead should I book a flight from Boston to Seoul?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Seoul. Price data was last updated on June 20, 2025.

To ensure you get the cheapest price possible for a flight from Boston to Seoul, you should look to book at least 44 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Boston to Seoul?

Currently, February is the cheapest month in which you can book a flight from Boston to Seoul (average of $1,000). Flying from Boston to Seoul 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 SEL?

Find hourly flight availability from Boston to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 23, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 25% on flights from Boston to Seoul by exploring options for tickets in the morning.

What is the cheapest day to fly from Boston to Seoul?

Use this chart to determine the cheapest time to fly round-trip from Boston to Seoul. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boston to Seoul flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boston to Seoul

Explore weekly flight availability from Boston to Seoul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 23, 2025.

The most flights from BOS to SEL 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 Seoul by month

Plan your trip to Seoul by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seoul ranges from 1.1 - 10.0 inches per month. July is typically the wettest month, when rainfall can reach 10.0 in. December is typically the driest time to visit Seoul when rainfall is around 1.1 in.

Temperature in Seoul by month

Plan your trip to Seoul by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seoul, 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 35.6 F).

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seoul. Reviews last updated June 23, 2025.
Get a feel of what it's like to fly with EVA Air, Japan Airlines and ANA from Boston to Seoul by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,207 reviews

Boarding

8.4

Entertainment

8.0

Overall

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,207 reviews
EVA Air
8.4
Very good
1,207 reviews

Boarding

8.4

Entertainment

8.0

Overall

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very good
1,503 reviews
EVA Air
8.4
Very good
1,207 reviews

Boarding

8.4

Entertainment

8.0

Overall

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ANA
8.3
Very good
887 reviews
EVA Air
8.4
Very good
1,207 reviews

Boarding

8.4

Entertainment

8.0

Overall

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Singapore Airlines
8.1
Very good
1,315 reviews
EVA Air
8.4
Very good
1,207 reviews

Boarding

8.4

Entertainment

8.0

Overall

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Alaska Airlines
8.0
Very good
10,000 reviews
EVA Air
8.4
Very good
1,207 reviews

Boarding

8.4

Entertainment

8.0

Overall

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

Find useful and relevant information for your journey from Boston to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to Seoul?

    Boston Logan Intl (BOS) is the airport you will fly out of if you book a flight from Boston to Seoul. You should not have trouble finding flights to Seoul from Logan Intl; the airport handles an average of 2 outbound flights to Seoul per day. You should also have plenty of airline options to choose from since 7 airlines have flights from the Boston airport to Seoul. It is only a 2.6 mi journey to Logan Intl (BOS) from Boston’s city center.

  • How popular is this Boston to Seoul flight route?

    The Boston Logan Intl to Seoul flight path was viewed by 242 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Boston to Seoul round-trip?

    Cheapflights users have booked flights from Boston to Seoul round-trip from $1,028. Other airlines that can offer you cheap pricing are Air Canada, from $1,038, and Alaska Airlines, from $1,188. These flights start at 32% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Boston to Seoul one-way?

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as $392. However, be on the lookout for offers from Air Canada and Etihad Airways, as they are both options that can get you from Boston to Seoul for a low price.

  • What are the cheapest flights from Boston to Seoul?

    Looking at all options, your cheapest flight can be booked for $436. While the most popular route (Boston Logan Intl - Incheon Intl) can be booked for $948 on average our data indicates $2,677 when flying from Boston to Seoul.

  • Can I find deals for flights from Boston to Seoul that include hotel bookings?

    Yes. In addition to deals on Boston to Seoul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Seoul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Seoul.

  • Can I find deals for business class flights from Boston to Seoul?

    Yes. Cheapflights offers flight deals from Boston to Seoul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Seoul?

    Currently, February is the cheapest month in which you can book a flight from Boston to Seoul (average of $1,000). Flying from Boston to Seoul 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Boston to Seoul

Discover the top 7 airlines that operate flights from Boston to Seoul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$357Average$2,007FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$805Average$1,010FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$864Average$1,191FlexibilityNo cancel feeOn-time67%
Cathay PacificCheapest$871Average$1,022FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$873Average$1,137FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$902Average$1,474FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$1,474Average$1,965FlexibilityNo cancel feeOn-time81%

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