$541+ 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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PUS
Aug 8 — Aug 151
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Busan 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boston to Busan
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to BusanExplore 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 July 9, 2026.
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 July 9, 2026.
This Justfly.com deal was found by Cheapflights users on 7/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:25 am
BOS
- PUS
2 stops40h 10m
China Eastern
Mon 9/75:50 pm
PUS
- BOS
2 stops43h 01m
China Eastern
Deal found 7/8![China Eastern logo]()
$1,195
This oojo deal was found by Cheapflights users on 7/4. 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 11/1812:30 am
BOS
- PUS
1 stop22h 50m
Cathay Pacific
Sun 11/292:05 pm
PUS
- BOS
1 stop21h 55m
Cathay Pacific
Deal found 7/4![Cathay Pacific logo]()
$1,246
This oojo deal was found by Cheapflights users on 7/7. 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.
Sun 9/277:12 am
BOS
- PUS
2 stops45h 43m
STARLUX Airlines
Sun 10/186:55 pm
PUS
- BOS
2 stops49h 34m
STARLUX Airlines
Deal found 7/7![STARLUX Airlines logo]()
$1,319
This China Eastern deal was found by Cheapflights users on 7/7. 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 Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:20 am
BOS
- PUS
2 stops45h 30m
China Eastern
Mon 9/1412:35 pm
PUS
- BOS
2 stops43h 33m
China Eastern
Deal found 7/7![China Eastern logo]()
$1,339
This China Airlines deal was found by Cheapflights users on 7/5. 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.
Sun 8/307:09 pm
BOS
- PUS
2 stops27h 06m
Multiple Airlines
Mon 9/712:15 pm
PUS
- BOS
2 stops33h 11m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$1,414
This KAYAK deal was found by Cheapflights users on 7/4. 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 10/106:37 pm
BOS
- PUS
2 stops25h 53m
Multiple Airlines
Thu 10/1512:15 pm
PUS
- BOS
2 stops32h 42m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,429
This oojo deal was found by Cheapflights users on 7/8. 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.
Sat 10/106:37 pm
BOS
- PUS
2 stops27h 38m
China Airlines
Thu 10/1512:15 pm
PUS
- BOS
2 stops32h 42m
China Airlines
Deal found 7/8![China Airlines logo]()
$1,449
Best flights from Boston to BusanDiscover carefully curated flight deals from Boston to Busan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 9, 2026.
Discover carefully curated flight deals from Boston to Busan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 9, 2026.
This China Eastern deal was found by Cheapflights users on 7/7. 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 Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:20 am
BOS
- PUS
2 stops45h 30m
China Eastern
Mon 9/1412:35 pm
PUS
- BOS
2 stops43h 33m
China Eastern
Deal found 7/7![China Eastern logo]()
$1,339
This EVA Air deal was found by Cheapflights users on 7/4. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:20 pm
BOS
- PUS
2 stops32h 40m
Multiple Airlines
Tue 8/257:10 pm
PUS
- BOS
2 stops25h 29m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,461
This oojo deal was found by Cheapflights users on 7/8. 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 8/512:44 pm
BOS
- PUS
2 stops41h 16m
China Airlines
Wed 8/1212:15 pm
PUS
- BOS
2 stops32h 31m
China Airlines
Deal found 7/8![China Airlines logo]()
$1,530
This Delta deal was found by Cheapflights users on 7/8. 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.
Wed 8/512:55 pm
BOS
- PUS
1 stop31h 35m
Delta
Wed 8/124:30 pm
PUS
- BOS
1 stop30h 50m
Delta
Deal found 7/8![Delta logo]()
$2,333
This FlightHub deal was found by Cheapflights users on 7/6. 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.
Sun 8/306:25 am
BOS
- PUS
2 stops40h 10m
China Eastern
Mon 9/75:50 pm
PUS
- BOS
2 stops43h 01m
China Eastern
Deal found 7/6![China Eastern logo]()
$1,424
This China Eastern deal was found by Cheapflights users on 7/5. 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 Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:25 am
BOS
- PUS
2 stops45h 25m
China Eastern
Wed 8/265:50 pm
PUS
- BOS
2 stops40h 17m
China Eastern
Deal found 7/5![China Eastern logo]()
$1,529
This China Eastern deal was found by Cheapflights users on 7/4. 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 Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:25 am
BOS
- PUS
2 stops40h 10m
China Eastern
Tue 8/258:35 am
PUS
- BOS
2 stops28h 16m
China Eastern
Deal found 7/4![China Eastern logo]()
$2,137
Last-minute flights from Boston to BusanDiscover last-minute flight deals from Boston to Busan. Data last updated July 9, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Busan. Data last updated July 9, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 7/8. 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 8/512:44 pm
BOS
- PUS
2 stops41h 16m
China Airlines
Wed 8/1212:15 pm
PUS
- BOS
2 stops32h 31m
China Airlines
Deal found 7/8![China Airlines logo]()
$1,530
This EVA Air deal was found by Cheapflights users on 7/4. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:20 pm
BOS
- PUS
2 stops32h 40m
Multiple Airlines
Tue 8/257:10 pm
PUS
- BOS
2 stops25h 29m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,461
This China Eastern deal was found by Cheapflights users on 7/5. 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 Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:25 am
BOS
- PUS
2 stops45h 25m
China Eastern
Wed 8/265:50 pm
PUS
- BOS
2 stops40h 17m
China Eastern
Deal found 7/5![China Eastern logo]()
$1,529
This Justfly.com deal was found by Cheapflights users on 7/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:25 am
BOS
- PUS
2 stops40h 10m
China Eastern
Mon 9/75:50 pm
PUS
- BOS
2 stops43h 01m
China Eastern
Deal found 7/8![China Eastern logo]()
$1,195
This China Airlines deal was found by Cheapflights users on 7/5. 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.
Sun 8/307:09 pm
BOS
- PUS
2 stops27h 06m
Multiple Airlines
Mon 9/712:15 pm
PUS
- BOS
2 stops33h 11m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$1,414
One-way flights from Boston to BusanSearch for one-way flight options from Boston to Busan. Find affordable one-way fares based on user searches. Data last updated July 9, 2026.
Search for one-way flight options from Boston to Busan. Find affordable one-way fares based on user searches. Data last updated July 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 7/197:25 am
BOS
- PUS
3 stops47h 30m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$541
This Kiwi.com deal was found by Cheapflights users on 7/6. 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.
Mon 7/206:30 pm
BOS
- PUS
3 stops56h 30m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$547
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Mon 8/1711:00 pm
BOS
- PUS
3 stops42h 30m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$706
This China Eastern deal was found by Cheapflights users on 7/8. 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 Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:25 am
BOS
- PUS
2 stops45h 25m
China Eastern
Deal found 7/8![China Eastern logo]()
$717
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/161:45 am
BOS
- PUS
1 stop40h 15m
Cathay Pacific
Deal found 7/8![Cathay Pacific logo]()
$1,171
This China Airlines deal was found by Cheapflights users on 7/7. 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.
Fri 8/215:42 pm
BOS
- PUS
2 stops26h 48m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$1,269
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 July 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,195 (Justfly.com) |
One-way from | $541 (Kiwi.com) |
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 July 9, 2026.
Use the filters below to find and compare flights from Boston to Busan that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonBusan
BOS - PUS
BOSPUS
Boston Logan Intl
Thu 9/10
6:20 am-4:50 pm
2 stops45h 30m
Busan Gimhae
Mon 9/14
12:35 pm-7:08 pm
2 stops43h 33m
$1,339
BostonBusan
BOS - PUS
BOSPUS
Boston Logan Intl
Sun 8/30
6:25 am-11:35 am
2 stops40h 10m
Busan Gimhae
Mon 9/7
5:50 pm-11:51 pm
2 stops43h 01m
$1,424
Quickest round-trip
BostonBusan
BOS - PUS
BOSPUS
Boston Logan Intl
Tue 8/18
8:20 pm-6:00 pm
2 stops32h 40m
Busan Gimhae
Tue 8/25
7:10 pm-7:39 am
2 stops25h 29m
$1,461
BostonBusan
BOS - PUS
BOSPUS
Boston Logan Intl
Wed 8/19
6:25 am-4:50 pm
2 stops45h 25m
Busan Gimhae
Wed 8/26
5:50 pm-9:07 pm
2 stops40h 17m
$1,529
BostonBusan
BOS - PUS
BOSPUS
Boston Logan Intl
Wed 8/5
12:44 pm-7:00 pm
2 stops41h 16m
Busan Gimhae
Wed 8/12
12:15 pm-7:46 am
2 stops32h 31m
$1,530
BostonBusan
BOS - PUS
BOSPUS
Boston Logan Intl
Tue 8/18
6:25 am-11:35 am
2 stops40h 10m
Busan Gimhae
Tue 8/25
8:35 am-11:51 pm
2 stops28h 16m
$2,137
BostonBusan
BOS - PUS
BOSPUS
Boston Logan Intl
Wed 8/5
12:55 pm-9:30 am
1 stop31h 35m
Busan Gimhae
Wed 8/12
4:30 pm-10:20 am
1 stop30h 50m
$2,333
Cheapest one-way
BostonBusan
BOS - PUS
BOSPUS
Boston Logan Intl
Mon 7/20
7:25 am-7:55 pm
2 stops47h 30m
$614
BostonBusan
BOS - PUS
BOSPUS
Boston Logan Intl
Sat 8/22
6:25 am-4:50 pm
2 stops45h 25m
$717
BostonBusan
BOS - PUS
BOSPUS
Boston Logan Intl
Mon 8/17
9:50 pm-11:45 am
2 stops24h 55m
$844
Showing 1-10 of 14 resultsSorted by cheapest first
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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
BOS-PUS
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.
Reviews of airlines servicing Busan
Get insights into the airlines that provide service to Busan. 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 Busan. Reviews last updated July 9, 2026.
Read through reviews of airlines operating flights from Boston to Busan, such as Cathay Pacific. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Entertainment
7.8
Comfort
7.6
Overall
7.6
Boarding
7.9
Food
7.3
Reviews
1 / 20
10.0
ExcellentErnest,Jun 2026
SFO - HKG
Crew
8.1
Entertainment
7.8
Comfort
7.6
Overall
7.6
Boarding
7.9
Food
7.3
Reviews
1 / 20
10.0
ExcellentErnest,Jun 2026
SFO - HKG
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.
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Other flights to Busan
Explore flights to Busan departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 9, 2026.
Complete your trip
Complete your trip to Busan by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Busan by cabin class
Find flights from Boston to Busan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Busan flights
Browse other Boston and Busan flight options. Last updated on July 9, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on July 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Boston to Busan
Discover the top airline that operate flights from Boston to Busan. 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 July 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,275 | Average$1,575 | FlexibilityNo cancel fee | On-time72% |