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$405+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SEL
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Find cheap flights from Boston to Seoul with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,145
(CheapOair)

One-way from

$496
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,423

Good round-trip deal

$1,010 or less

Good one-way deal

$498 or less
Provider with most accurate pricing for Boston Logan Intl-Seoul (SEL) flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Seoul (SEL) flights.
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From Boston Logan Intl to Seoul (SEL)
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One-way flight from Boston Logan Intl to Seoul (SEL)
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
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 April 17, 2025.

This oojo deal was found by Cheapflights users on 4/16. 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 10/311:30 amBOS - ICN
1 stop30h 45mCathay Pacific
Thu 11/133:00 pmICN - BOS
1 stop21h 00mCathay Pacific
Deal found 4/16$1,130
This Priceline deal was found by Cheapflights users on 4/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/301:40 amBOS - ICN
1 stop23h 25mMultiple Airlines
Mon 9/85:45 pmICN - BOS
2 stops28h 50mMultiple Airlines
Deal found 4/15$1,131
This oojo deal was found by Cheapflights users on 4/16. 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.
Wed 4/309:35 pmBOS - ICN
1 stop22h 05mTurkish Airlines
Tue 6/2411:20 pmICN - BOS
1 stop33h 20mTurkish Airlines
Deal found 4/16$1,155
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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 11/16:20 pmBOS - ICN
2 stops35h 15mAlaska Airlines
Thu 11/138:35 pmICN - BOS
2 stops34h 31mAlaska Airlines
Deal found 4/16$1,185
This Priceline deal was found by Cheapflights users on 4/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/136:25 pmBOS - ICN
1 stop35h 20mWestJet
Fri 9/268:45 pmICN - BOS
1 stop33h 55mWestJet
Deal found 4/17$1,225
This Gurufare deal was found by Cheapflights users on 4/16. 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.
Thu 9/44:45 pmBOS - ICN
3 stops40h 35mSingapore Airlines
Thu 9/254:45 pmICN - BOS
3 stops36h 28mSingapore Airlines
Deal found 4/16$1,230
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/278:00 amBOS - ICN
1 stop42h 00mUnited Airlines
Mon 5/1211:30 amICN - BOS
2 stops23h 30mUnited Airlines
Deal found 4/16$1,299
This Gotogate deal was found by Cheapflights users on 4/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/146:40 pmBOS - GMP
2 stops30h 30mMultiple Airlines
Wed 5/288:35 amGMP - BOS
1 stop21h 05mMultiple Airlines
Deal found 4/16$1,386
This Cheapflightsfares deal was found by Cheapflights users on 4/15. 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.
Wed 9/103:10 pmBOS - GMP
2 stops30h 55mANA
Thu 9/187:40 amGMP - BOS
2 stops24h 04mANA
Deal found 4/15$1,501
This Gurufare deal was found by Cheapflights users on 4/16. 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 9/77:26 pmBOS - GMP
2 stops26h 19mJapan Airlines
Sun 9/2112:05 pmGMP - BOS
2 stops23h 17mJapan Airlines
Deal found 4/16$1,730
This FlightHub deal was found by Cheapflights users on 4/16. 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.
Fri 5/166:15 amBOS - GMP
2 stops39h 45mChina Eastern
Fri 5/238:50 pmGMP - BOS
2 stops39h 58mChina Eastern
Deal found 4/16$1,790

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 April 17, 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

Sat 8/30

1:40 am-2:05 pm

1 stop23h 25m

Incheon Intl

Mon 9/8

5:45 pm-9:35 am

2 stops28h 50m

$1,131

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Wed 4/30

9:35 pm-8:40 am

1 stop22h 05m

Incheon Intl

Tue 6/24

11:20 pm-7:40 pm

1 stop33h 20m

$1,155

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Mon 5/5

1:40 am-7:05 pm

1 stop28h 25m

Incheon Intl

Tue 5/20

10:10 am-11:00 pm

1 stop25h 50m

$1,162

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Tue 9/16

8:23 pm-6:35 pm

2 stops33h 12m

Incheon Intl

Mon 10/13

8:35 pm-5:06 pm

2 stops33h 31m

$1,199

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sat 9/13

6:25 pm-6:45 pm

1 stop35h 20m

Incheon Intl

Fri 9/26

8:45 pm-5:40 pm

1 stop33h 55m

$1,225

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Thu 9/4

4:45 pm-10:20 pm

3 stops40h 35m

Incheon Intl

Thu 9/25

4:45 pm-4:13 pm

3 stops36h 28m

$1,230

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sun 4/27

8:00 am-3:00 pm

1 stop42h 00m

Incheon Intl

Mon 5/12

11:30 am-10:00 pm

2 stops23h 30m

$1,299

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Wed 5/14

6:40 pm-2:10 pm

2 stops30h 30m

Seoul Gimpo Intl

Wed 5/28

8:35 am-4:40 pm

1 stop21h 05m

$1,386

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Wed 9/10

3:10 pm-11:05 am

2 stops30h 55m

Seoul Gimpo Intl

Thu 9/18

7:40 am-6:44 pm

2 stops24h 04m

$1,501

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Sun 9/7

7:26 pm-10:45 am

2 stops26h 19m

Seoul Gimpo Intl

Sun 9/21

12:05 pm-10:22 pm

2 stops23h 17m

$1,730

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 27 results
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Compare providers for flights from Boston to Seoul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Seoul in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Seoul flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Boston-Seoul flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Boston-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Seoul flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 food and save time at BOS. Most restaurants participate, ensuring your meal is ready for pick-up.

Read more about BOSby Paul Rubio
ICN

The AREX express train is a quick option from ICN to Seoul Station, taking 40-50 minutes. It offers an in-town check-in facility for luggage.

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 April 11, 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 $1,001). Flying from Boston to Seoul in June is currently the most expensive (average of $1,650). 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 April 17, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 24% 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 April 17, 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 April 17, 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air and Japan Airlines 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
1,177 reviews

Entertainment

8.0

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very good
1,177 reviews
EVA Air
8.4
Very good
1,177 reviews

Entertainment

8.0

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Korean Air
8.4
Very good
1,064 reviews
EVA Air
8.4
Very good
1,177 reviews

Entertainment

8.0

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Japan Airlines
8.3
Very good
1,443 reviews
EVA Air
8.4
Very good
1,177 reviews

Entertainment

8.0

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
ANA
8.3
Very good
844 reviews
EVA Air
8.4
Very good
1,177 reviews

Entertainment

8.0

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
China Airlines
8.2
Very good
729 reviews
EVA Air
8.4
Very good
1,177 reviews

Entertainment

8.0

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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 $1,162. Other airlines that can offer you cheap pricing are Turkish Airlines, from $1,188, and WestJet, from $1,298. These flights start at 25% 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 Cathay Pacific, with whom users have recently found tickets for as low as $500. However, be on the lookout for offers from WestJet 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 $455. While the most popular route (Boston Logan Intl - Incheon Intl) can be booked for $866 on average our data indicates $3,463 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 $1,001). Flying from Boston to Seoul in June is currently the most expensive (average of $1,650). 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$813Average$1,090FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$864Average$1,228FlexibilityNo cancel feeOn-time67%
Cathay PacificCheapest$872Average$1,148FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$875Average$1,375FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$902Average$1,947FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$1,528Average$1,930FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,571Average$2,183FlexibilityNo cancel feeOn-timeN/A

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