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$1,101+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PUS
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap 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 January 21, 2026.

This China Airlines deal was found by Cheapflights users on 1/19. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:32 pm
BOS
-
PUS
2 stops27h 43m
Multiple Airlines
Tue 9/2910:30 am
PUS
-
BOS
2 stops34h 32m
Multiple Airlines
Deal found 1/19$1,101
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/227:40 pm
BOS
-
PUS
2 stops27h 05m
Multiple Airlines
Mon 4/612:35 pm
PUS
-
BOS
2 stops45h 30m
Multiple Airlines
Deal found 1/20$1,476
This Gotogate deal was found by Cheapflights users on 1/19. 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.
Mon 9/71:40 am
BOS
-
PUS
1 stop22h 55m
Cathay Pacific
Tue 9/297:45 am
PUS
-
BOS
1 stop28h 15m
Cathay Pacific
Deal found 1/19$1,591
This Gurufare deal was found by Cheapflights users on 1/20. 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 3/222:15 pm
BOS
-
PUS
3 stops51h 30m
Singapore Airlines
Mon 4/68:15 am
PUS
-
BOS
3 stops50h 50m
Singapore Airlines
Deal found 1/20$1,707
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/29:45 pm
BOS
-
PUS
2 stops31h 35m
Air France
Wed 7/157:00 am
PUS
-
BOS
2 stops49h 35m
Air France
Deal found 1/21$1,931
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.
Mon 6/11:45 am
BOS
-
PUS
1 stop22h 50m
Cathay Pacific
Wed 7/157:45 am
PUS
-
BOS
1 stop28h 15m
Cathay Pacific
Deal found 1/21$2,032

Find 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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,476
(Kiwi.com)
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 January 21, 2026.
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 3/22

7:40 pm-11:45 am

2 stops27h 05m

Busan Gimhae

Mon 4/6

12:35 pm-9:05 pm

2 stops45h 30m

$1,476

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

Sun 3/22

2:15 pm-6:45 am

3 stops51h 30m

Busan Gimhae

Mon 4/6

8:15 am-10:05 pm

3 stops50h 50m

$1,707

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

Tue 6/2

9:45 pm-6:20 pm

2 stops31h 35m

Busan Gimhae

Wed 7/15

7:00 am-7:35 pm

2 stops49h 35m

$1,931

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

Mon 6/1

1:45 am-1:35 pm

1 stop22h 50m

Busan Gimhae

Wed 7/15

7:45 am-11:00 pm

1 stop28h 15m

$2,032

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

Tue 6/2

7:05 am-7:35 pm

2 stops23h 30m

Busan Gimhae

Wed 7/15

7:00 am-10:20 am

1 stop16h 20m

$2,343

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

Tue 3/3

6:24 pm-7:55 pm

3 stops59h 31m

$2,438

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

Mon 3/2

12:30 am-1:20 pm

1 stop22h 50m

$3,973

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
JetabroadPrice Accuracy3 starsTrust Score*1 star
JustAirTicketPrice Accuracy-Trust 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 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-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.

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 Singapore Airlines fly from Boston to Busan in about 51h 30m. The time it takes to get you to your destination can typically vary by up to . The distance between Boston and Busan is about 6928 mi.

  • 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.

See more FAQs

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