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$1,269+ Cheap flights from Boston (BOS) to Busan (PUS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PUS
Nov 25 — Dec 21
Tue 11/25
Tue 12/2
1 adult, Economy
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Find flight deals from Boston to Busan

Cheapest flights from Boston to Busan
Explore the most affordable flight options available from Boston to Busan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2025.

This Delta deal was found by Cheapflights users on 10/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:35 pmBOS - PUS
2 stops35h 00mDelta
Wed 12/317:00 amPUS - BOS
1 stop15h 40mDelta
Deal found 10/24$2,626
This Korean Air deal was found by Cheapflights users on 10/24. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2111:00 amBOS - PUS
1 stop19h 45mKorean Air
Wed 12/317:00 amPUS - BOS
1 stop15h 40mKorean Air
Deal found 10/24$3,387
This Ovago deal was found by Cheapflights users on 10/24. 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.
Sat 12/2012:30 amBOS - PUS
1 stop22h 50mCathay Pacific
Wed 12/317:40 amPUS - BOS
1 stop28h 20mCathay Pacific
Deal found 10/24$6,034

Cheap flight deals from Boston to Busan

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Busan (PUS). 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 October 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,269
(Cathay Pacific)
Provider with most accurate pricing for Boston Logan Intl-Busan Gimhae flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Busan Gimhae flights.
Search Deals
From Boston Logan Intl to Busan Gimhae
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Busan 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 October 26, 2025.
Use the filters below to find and compare flights from Boston to Busan that are best for you.

Fly from

Boston

Fly to

Busan

Route

Depart

Return

Price

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

Sun 3/15

1:30 am-1:20 pm

1 stop22h 50m

Busan Gimhae

Thu 3/19

2:05 pm-11:00 pm

1 stop21h 55m

$1,269

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

Mon 3/16

7:05 am-8:45 pm

2 stops24h 40m

Busan Gimhae

Thu 3/19

7:00 am-9:40 am

1 stop15h 40m

$2,278

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

Sun 12/21

6:35 pm-7:35 pm

2 stops35h 00m

Busan Gimhae

Wed 12/31

7:00 am-8:40 am

1 stop15h 40m

$2,626

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

Sun 12/21

11:00 am-8:45 pm

1 stop19h 45m

Busan Gimhae

Wed 12/31

7:00 am-8:40 am

1 stop15h 40m

$3,387

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

Sat 12/20

12:30 am-1:20 pm

1 stop22h 50m

Busan Gimhae

Wed 12/31

7:40 am-10:00 pm

1 stop28h 20m

$6,034

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

Fri 12/19

5:30 am-7:35 pm

2 stops24h 05m

$1,986

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

Fri 12/19

11:00 am-8:45 pm

1 stop19h 45m

$3,431

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/23

Compare providers for flights from Boston to Busan

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 Busan in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*3 stars
JetabroadPrice Accuracy3 starsTrust Score*1 star

*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-Busan flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Busan flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Busan flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Busan 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-Busan 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 Busan

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

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

Find hourly flight availability from Boston to Busan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 26, 2025.

It’s typically best to fly out from Boston to Busan in the evening. Doing so could potentially save you 43% on the flight price compared to flying in the morning, which is usually more expensive.

Related info for your journey

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

  • How long is the flight from Boston to Busan?

    Airlines like Cathay Pacific and Delta fly from Boston to Busan in about 18h 35m. The time it takes to get you to your destination can typically vary by up to 4h 15m. The distance between Boston and Busan is about 6928 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

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