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$470+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SEL
Jan 28 — Feb 41
Tue 1/28
Tue 2/4
1 adult, Economy
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The best prices from Boston Logan Intl to Seoul are usually found in September or October, booked 47 days in advance, depart on a Monday or Wednesday 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 January 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$803
(oojo)

One-way from

$470
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$1,548

Good round-trip deal

$1,048 or less

Good one-way deal

$578 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)
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Highest demand for flights based on searches. 5% potential increase in price ($85 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 January 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Seoul (SEL).
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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 January 23, 2025.

This oojo deal was found by Cheapflights users on 1/23. 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.
Mon 3/38:00 pmBOS - ICN
1 stop32h 20mTurkish Airlines
Mon 3/1012:10 amICN - BOS
1 stop31h 55mTurkish Airlines
Deal found 1/23$803
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 1/225:20 amBOS - ICN
1 stop21h 25mAmerican Airlines
Wed 1/296:50 pmICN - BOS
1 stop18h 41mAmerican Airlines
Deal found 1/21$877
This WhyPayMore deal was found by Cheapflights users on 1/23. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/241:45 amBOS - ICN
1 stop21h 50mCathay Pacific
Mon 9/158:15 pmICN - BOS
1 stop39h 05mCathay Pacific
Deal found 1/23$964
This KAYAK deal was found by Cheapflights users on 1/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/49:55 amBOS - GMP
2 stops44h 55mChina Eastern
Fri 6/138:50 pmGMP - BOS
2 stops38h 07mChina Eastern
Deal found 1/22$1,027
This Mytrip deal was found by Cheapflights users on 1/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/278:00 pmBOS - ICN
3 stops35h 45mMultiple Airlines
Mon 2/38:10 amICN - BOS
3 stops39h 18mMultiple Airlines
Deal found 1/21$1,045
This Flysmarter deal was found by Cheapflights users on 1/22. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/198:28 pmBOS - ICN
2 stops30h 17mBritish Airways
Wed 2/266:50 pmICN - BOS
2 stops26h 24mBritish Airways
Deal found 1/22$1,049
This Air Canada deal was found by Cheapflights users on 1/23. 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.
Tue 9/166:40 pmBOS - ICN
2 stops32h 25mAir Canada
Mon 9/225:45 pmICN - BOS
2 stops28h 50mAir Canada
Deal found 1/23$1,116
This Expedia deal was found by Cheapflights users on 1/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/212:55 pmBOS - GMP
2 stops43h 35mMultiple Airlines
Tue 3/117:45 amGMP - BOS
2 stops27h 54mMultiple Airlines
Deal found 1/22$1,232
This Gurufare deal was found by Cheapflights users on 1/21. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/235:45 amBOS - GMP
2 stops39h 35mANA
Sun 2/27:50 pmGMP - BOS
2 stops37h 48mANA
Deal found 1/21$1,507
This oojo deal was found by Cheapflights users on 1/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1912:15 pmBOS - GMP
1 stop20h 05mJapan Airlines
Wed 2/267:50 amGMP - BOS
1 stop23h 30mJapan Airlines
Deal found 1/22$1,532
This KAYAK deal was found by Cheapflights users on 1/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/225:45 amBOS - GMP
2 stops41h 20mAir China
Fri 2/282:25 pmGMP - BOS
2 stops45h 27mAir China
Deal found 1/22$1,711

Find flights from Boston to Seoul within your budget

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 January 23, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Mon 3/3

8:00 pm-9:05 am

1 stop23h 05m

Incheon Intl

Mon 3/10

12:10 am-7:05 pm

1 stop31h 55m

$803

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Mon 3/3

5:24 am-4:45 pm

1 stop21h 21m

Incheon Intl

Tue 3/11

5:50 pm-11:29 pm

1 stop18h 39m

$878

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Wed 6/4

9:55 am-7:50 pm

2 stops44h 55m

Seoul Gimpo Intl

Fri 6/13

8:50 pm-9:57 pm

2 stops38h 07m

$1,027

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sat 4/12

1:45 am-9:15 pm

1 stop30h 30m

Incheon Intl

Thu 4/24

1:35 pm-10:20 pm

1 stop21h 45m

$1,059

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Mon 3/3

10:30 am-12:20 pm

3 stops35h 50m

Incheon Intl

Tue 3/11

1:20 pm-11:20 am

3 stops35h 00m

$1,062

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Mon 3/3

10:50 am-3:15 pm

2 stops38h 25m

Incheon Intl

Tue 3/11

4:55 pm-10:03 am

2 stops30h 08m

$1,116

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Sun 3/2

12:55 pm-10:30 pm

2 stops43h 35m

Seoul Gimpo Intl

Tue 3/11

7:45 am-10:39 pm

2 stops27h 54m

$1,232

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Wed 2/19

5:35 am-10:30 pm

2 stops26h 55m

Seoul Gimpo Intl

Wed 2/26

7:45 am-9:49 pm

2 stops28h 04m

$1,518

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Wed 2/19

12:15 pm-10:20 pm

1 stop20h 05m

Seoul Gimpo Intl

Wed 2/26

7:50 am-5:20 pm

1 stop23h 30m

$1,532

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Mon 3/17

8:20 am-1:05 pm

2 stops39h 45m

Seoul Gimpo Intl

Mon 3/24

2:25 pm-7:15 am

2 stops29h 50m

$1,626

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Showing 1-10 of 26 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
ScholarTripPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
GotogatePrice Accuracy2 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Seoul flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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.

Travel insights for flights from Boston to Seoul

Get recent, data-driven insights about flights from Boston to Seoul including ideal travel times, pricing trends, and more.

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 January 17, 2025.

To ensure you get the cheapest price possible for a flight from Boston to Seoul, you should look to book at least 47 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, October is the cheapest month in which you can book a flight from Boston to Seoul (average of $1,086). Flying from Boston to Seoul in June is currently the most expensive (average of $1,722). 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 January 23, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 20% 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 January 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 January 23, 2025.
Get a feel of what it's like to fly with Turkish Airlines, American Airlines and Cathay Pacific 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.
Korean Air
8.5
Very good
1,037 reviews

Food

8.1

Entertainment

8.2

Overall

8.5

Comfort

8.3

Boarding

8.5

Crew

8.8

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,037 reviews
Korean Air
8.5
Very good
1,037 reviews

Food

8.1

Entertainment

8.2

Overall

8.5

Comfort

8.3

Boarding

8.5

Crew

8.8

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

ANA
8.4
Very good
849 reviews
Korean Air
8.5
Very good
1,037 reviews

Food

8.1

Entertainment

8.2

Overall

8.5

Comfort

8.3

Boarding

8.5

Crew

8.8

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very good
1,446 reviews
Korean Air
8.5
Very good
1,037 reviews

Food

8.1

Entertainment

8.2

Overall

8.5

Comfort

8.3

Boarding

8.5

Crew

8.8

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Singapore Airlines
8.1
Very good
1,328 reviews
Korean Air
8.5
Very good
1,037 reviews

Food

8.1

Entertainment

8.2

Overall

8.5

Comfort

8.3

Boarding

8.5

Crew

8.8

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Delta
8.0
Very good
8,508 reviews
Korean Air
8.5
Very good
1,037 reviews

Food

8.1

Entertainment

8.2

Overall

8.5

Comfort

8.3

Boarding

8.5

Crew

8.8

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

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 9 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 246 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 $803. Other airlines that can offer you cheap pricing are American Airlines, from $877, and British Airways, from $1,049. These flights start at 48% 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 American Airlines, with whom users have recently found tickets for as low as $470. However, be on the lookout for offers from Etihad Airways and Cathay Pacific, 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 $459. While the most popular route (Boston Logan Intl - Incheon Intl) can be booked for $803 on average our data indicates $3,135 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, October is the cheapest month in which you can book a flight from Boston to Seoul (average of $1,086). Flying from Boston to Seoul in June is currently the most expensive (average of $1,722). 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 9 airlines flying from Boston to Seoul

Discover the top 9 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 January 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$819Average$1,108FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$864Average$1,227FlexibilityNo cancel feeOn-time67%
Cathay PacificCheapest$872Average$1,182FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$875Average$1,427FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$902Average$1,845FlexibilityNo cancel feeOn-time69%
Japan AirlinesCheapest$1,553Average$1,931FlexibilityNo cancel feeOn-time79%
Korean AirCheapest$1,560Average$2,012FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,591Average$2,173FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$1,738Average$1,775FlexibilityNo cancel feeOn-time75%
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