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$673+ Cheap flights from Boston (BOS) to Busan (PUS)

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PUS
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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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 septiembre 16, 2025.

Round-trip from

$1,159
(Cathay Pacific)

One-way from

$673
(Kiwi.com)
From Boston Logan Intl to Busan Gimhae
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One-way flight from Boston Logan Intl to Busan Gimhae
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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 septiembre 16, 2025.

This Ovago deal was found by Cheapflights users on 9/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/141:40 amBOS - PUS
1 stop40h 20mCathay Pacific
mié. 10/227:45 amPUS - BOS
1 stop28h 15mCathay Pacific
Deal found 9/15$1,341
This Orbitz deal was found by Cheapflights users on 9/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/141:40 amBOS - PUS
1 stop22h 55mMultiple Airlines
mié. 10/228:20 amPUS - BOS
2 stops40h 09mMultiple Airlines
Deal found 9/15$1,425
This oojo deal was found by Cheapflights users on 9/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/1512:55 pmBOS - PUS
1 stop40h 25mKorean Air
mié. 10/222:15 pmPUS - BOS
1 stop32h 55mKorean Air
Deal found 9/15$1,961
This NaeilTour deal was found by Cheapflights users on 9/16. 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 NaeilTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/156:30 pmBOS - PUS
2 stops30h 40mMultiple Airlines
dom. 1/115:50 pmPUS - BOS
2 stops33h 50mMultiple Airlines
Deal found 9/16$2,031
This WhyPayMore deal was found by Cheapflights users on 9/16. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/1511:00 amBOS - PUS
1 stop18h 35mKorean Air
dom. 1/114:10 pmPUS - BOS
1 stop30h 30mKorean Air
Deal found 9/16$2,167

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 septiembre 16, 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

dom. 3/15

1:30 am-1:20 pm

1 stop22h 50m

Busan Gimhae

jue. 3/19

2:05 pm-11:00 pm

1 stop21h 55m

$1,159

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

mar. 10/14

1:40 am-7:00 am

1 stop40h 20m

Busan Gimhae

mié. 10/22

7:45 am-11:00 pm

1 stop28h 15m

$1,341

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

mar. 10/14

1:40 am-1:35 pm

1 stop22h 55m

Busan Gimhae

mié. 10/22

8:20 am-11:29 am

2 stops40h 09m

$1,425

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

mié. 10/15

12:55 pm-6:20 pm

1 stop40h 25m

Busan Gimhae

mié. 10/22

2:15 pm-10:10 am

1 stop32h 55m

$1,961

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

lun. 12/15

6:30 pm-3:10 pm

2 stops30h 40m

Busan Gimhae

dom. 1/11

5:50 pm-1:40 pm

2 stops33h 50m

$2,031

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

mié. 10/15

8:25 pm-7:15 pm

2 stops57h 50m

$677

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

jue. 12/25

7:30 am-8:35 am

2 stops35h 05m

$748

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

mar. 10/14

1:40 am-1:35 pm

1 stop22h 55m

$953

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

mié. 10/15

12:55 pm-7:45 am

1 stop29h 50m

$1,205

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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 septiembre 16, 2025.

It’s typically best to fly out from Boston to Busan in the afternoon. Doing so could potentially save you 44% 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 fly from Boston to Busan in about 22h 50m. 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.

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

    Currently, August is the cheapest month in which you can book a flight from Boston to Busan (average of $1,166). Flying from Boston to Busan in December is currently the most expensive (average of $2,244). 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.

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