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$488+ Cheap flights from South Korea to New Hampshire

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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — MHT
Aug 20 — Aug 271
Thu 8/20
Thu 8/27
1 adult, Economy
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Cheap flight deals from South Korea to New Hampshire

Cheapest flights from South Korea to New Hampshire
Explore the most affordable flight options available from South Korea to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 21, 2026.

This OneTravel deal was found by Cheapflights users on 7/21. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:45 pm
ICN
-
BOS
2 stops29h 05m
Multiple Airlines
Sun 9/2010:40 am
BOS
-
ICN
2 stops21h 40m
Multiple Airlines
Deal found 7/21$942
This CheapOair deal was found by Cheapflights users on 7/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:05 pm
ICN
-
BOS
1 stop16h 35m
Multiple Airlines
Tue 9/2910:40 am
BOS
-
ICN
2 stops21h 40m
Multiple Airlines
Deal found 7/21$962
This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Fri 9/117:15 pm
ICN
-
BOS
2 stops29h 50m
Multiple Airlines
Thu 10/16:30 pm
BOS
-
ICN
1 stop35h 15m
Multiple Airlines
Deal found 7/18$968
This Kiwi.com deal was found by Cheapflights users on 7/18. 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 9/147:15 pm
ICN
-
BOS
2 stops23h 32m
Multiple Airlines
Thu 10/16:30 pm
BOS
-
ICN
1 stop35h 15m
Multiple Airlines
Deal found 7/18$990
This WhyPayMore deal was found by Cheapflights users on 7/19. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/166:55 pm
ICN
-
BOS
2 stops33h 58m
Air Canada
Thu 1/143:30 pm
BOS
-
ICN
2 stops35h 40m
Air Canada
Deal found 7/19$993
This WhyPayMore deal was found by Cheapflights users on 7/21. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:55 pm
ICN
-
BOS
2 stops33h 58m
Air Canada
Tue 11/173:30 pm
BOS
-
ICN
2 stops35h 40m
Air Canada
Deal found 7/21$999
This iWofly deal was found by Cheapflights users on 7/19. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1512:50 pm
ICN
-
BOS
1 stop22h 10m
Multiple Airlines
Fri 11/2010:55 pm
BOS
-
ICN
1 stop24h 55m
Multiple Airlines
Deal found 7/19$1,001
This Air Canada deal was found by Cheapflights users on 7/21. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:55 pm
ICN
-
BOS
2 stops29h 03m
Multiple Airlines
Tue 11/105:30 am
BOS
-
ICN
2 stops27h 20m
Multiple Airlines
Deal found 7/21$1,003
This Cathay Pacific deal was found by Cheapflights users on 7/18. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:05 pm
PUS
-
BOS
1 stop21h 55m
Cathay Pacific
Sun 11/2212:30 am
BOS
-
PUS
1 stop22h 50m
Cathay Pacific
Deal found 7/18$1,267
This American Airlines deal was found by Cheapflights users on 7/18. 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.
Thu 9/175:50 pm
ICN
-
MHT
2 stops35h 22m
American Airlines
Sun 9/207:29 pm
MHT
-
ICN
2 stops31h 16m
American Airlines
Deal found 7/18$1,306
This Cathay Pacific deal was found by Cheapflights users on 7/18. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:55 am
CJU
-
BOS
1 stop28h 05m
Cathay Pacific
Sun 11/2212:30 am
BOS
-
CJU
1 stop40h 10m
Cathay Pacific
Deal found 7/18$1,322
This OneTravel deal was found by Cheapflights users on 7/18. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/168:35 am
GMP
-
BOS
1 stop26h 25m
Multiple Airlines
Thu 1/1412:15 pm
BOS
-
GMP
1 stop32h 40m
Multiple Airlines
Deal found 7/18$1,336

Find flight deals from South Korea to New Hampshire

Keep the following information in mind while searching for South Korea to New Hampshire flight deals. Data was last updated July 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$884
(oojo)

One-way from

$488
(oojo)

Popular in

August

Cheapest in

November

Average price

$1,649
Provider with most accurate pricing for Seoul (SEL)-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seoul (SEL)-Boston Logan Intl flights.
Search Deals
From South Korea to New Hampshire
Search Deals
One-way flight from South Korea to New Hampshire
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($302 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($82 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Korea to New Hampshire 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 21, 2026.
Use the filters below to find and compare flights from South Korea to New Hampshire that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Sun 11/15

12:50 pm-9:00 pm

1 stop22h 10m

Boston Logan Intl

Fri 11/20

10:55 pm-1:50 pm

1 stop24h 55m

$1,007

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Sun 11/15

6:55 pm-9:28 pm

2 stops40h 33m

Boston Logan Intl

Fri 11/20

5:30 am-5:10 pm

2 stops21h 40m

$1,019

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Fri 8/21

4:50 pm-9:36 am

2 stops29h 46m

Boston Logan Intl

Sun 8/30

11:00 am-4:20 am

2 stops28h 20m

$1,116

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Mon 9/14

7:35 pm-7:39 am

1 stop25h 04m

Boston Logan Intl

Thu 10/1

4:48 pm-5:30 pm

1 stop35h 42m

$1,153

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Thu 10/15

5:15 pm-9:28 pm

1 stop17h 13m

Boston Logan Intl

Mon 11/2

2:35 pm-5:40 am

2 stops25h 05m

$1,158

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Sun 10/18

7:35 pm-7:26 am

1 stop24h 51m

Boston Logan Intl

Fri 10/30

7:03 am-5:35 pm

1 stop21h 32m

$1,160

BusanBoston

PUS - BOS

PUSBOS

Busan Gimhae

Thu 11/19

2:05 pm-10:00 pm

1 stop21h 55m

Boston Logan Intl

Sun 11/22

12:30 am-1:20 pm

1 stop22h 50m

$1,267

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Wed 9/23

5:15 pm-9:59 pm

1 stop17h 44m

Boston Logan Intl

Mon 10/5

6:00 am-3:00 pm

1 stop20h 00m

$1,293

IncheonManchester

ICN - MHT

ICNMHT

Incheon Intl

Thu 9/17

5:50 pm-10:08 am

2 stops29h 18m

Manchester

Sun 9/20

5:16 pm-3:45 pm

2 stops33h 29m

$1,306

Jeju CityBoston

CJU - BOS

CJUBOS

Jeju City

Sat 11/21

7:55 am-10:00 pm

1 stop28h 05m

Boston Logan Intl

Sun 11/22

12:30 am-6:40 am

1 stop40h 10m

$1,322

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/17

Showing 1-10 of 59 resultsSorted by cheapest first
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Best time to book a flight from South Korea to New Hampshire

Have a flexible travel schedule? Discover the best time to fly to New Hampshire from South Korea 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 South Korea to New Hampshire

No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from South Korea to New Hampshire. 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 South Korea to New Hampshire?

    Airlines like Air Canada, United Airlines, and Alaska Airlines fly from South Korea to New Hampshire in about 25h 04m. The time it takes to get you to your destination can typically vary by up to 15h 29m. South Korea and New Hampshire are separated by a distance of 6809 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from South Korea to New Hampshire that include hotel bookings?

    Yes. In addition to deals on South Korea to New Hampshire flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from South Korea to New Hampshire?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Korea to New Hampshire.

  • Can I find deals for business class flights from South Korea to New Hampshire?

    Yes. Cheapflights offers flight deals from South Korea to New Hampshire 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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