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$344+ Cheap flights from South Korea to New Hampshire

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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — MHT
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap 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 September 15, 2025.

Round-trip from

$344
(Mytrip)

Popular in

August

Cheapest in

October

Average price

$1,236
From South Korea to New Hampshire
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($125 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find 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 September 15, 2025.

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:55 pmICN - BOS
2 stops52h 37mAir Canada
Thu 1/810:15 amBOS - ICN
2 stops40h 55mAir Canada
Deal found 9/15$344
This Jettzy 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/85:45 pmICN - BOS
2 stops29h 10mAir Canada
Mon 11/36:40 pmBOS - ICN
2 stops32h 30mAir Canada
Deal found 9/15$440
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Wed 10/225:45 pmICN - BOS
2 stops28h 45mAir Canada
Sat 3/286:40 pmBOS - ICN
2 stops32h 25mAir Canada
Deal found 9/14$471
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/65:45 pmICN - BOS
2 stops29h 10mAir Canada
Wed 11/53:40 pmBOS - ICN
2 stops35h 30mAir Canada
Deal found 9/15$477
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Wed 10/225:45 pmICN - BOS
2 stops28h 45mAir Canada
Sun 3/295:30 amBOS - ICN
2 stops23h 00mAir Canada
Deal found 9/14$490
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Thu 10/307:10 pmICN - BOS
1 stop16h 27mAir Canada
Mon 11/310:15 amBOS - ICN
2 stops40h 55mAir Canada
Deal found 9/14$491
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Fri 10/245:45 pmICN - BOS
2 stops29h 10mAir Canada
Mon 3/301:00 pmBOS - ICN
1 stop39h 30mAir Canada
Deal found 9/14$497
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/184:50 pmICN - BOS
1 stop40h 18mUnited Airlines
Wed 9/246:18 pmBOS - ICN
1 stop21h 02mUnited Airlines
Deal found 9/15$503
This Air Canada deal was found by Cheapflights users on 9/14. 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 10/287:10 pmICN - BOS
2 stops27h 42mAir Canada
Mon 3/304:35 pmBOS - ICN
1 stop35h 55mAir Canada
Deal found 9/14$510
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/152:00 pmGMP - BOS
2 stops21h 39mMultiple Airlines
Wed 10/226:40 pmBOS - GMP
2 stops31h 20mMultiple Airlines
Deal found 9/14$1,213
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:00 amGMP - BOS
2 stops27h 37mMultiple Airlines
Wed 11/56:15 amBOS - GMP
2 stops25h 50mMultiple Airlines
Deal found 9/14$1,248
This FlightHub deal was found by Cheapflights users on 9/13. 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.
Tue 9/307:40 amGMP - BOS
2 stops27h 05mANA
Tue 11/45:30 amBOS - GMP
2 stops27h 00mANA
Deal found 9/13$1,259

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 September 15, 2025.
Use the filters below to find and compare flights from South Korea to New Hampshire that are best for you.

Fly from

South Korea

Fly to

New Hampshire

Route

Depart

Return

Price

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Thu 11/6

8:35 pm-3:41 pm

2 stops33h 06m

Boston Logan Intl

Sat 11/15

6:59 pm-7:25 pm

2 stops34h 26m

$706

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Wed 10/8

4:50 pm-11:57 pm

1 stop20h 07m

Boston Logan Intl

Mon 11/3

8:30 pm-4:15 pm

1 stop29h 45m

$727

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Thu 10/30

11:55 am-5:06 pm

1 stop18h 11m

Boston Logan Intl

Mon 11/3

8:30 pm-4:15 pm

1 stop29h 45m

$727

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Thu 11/6

12:45 pm-5:06 pm

1 stop18h 21m

Boston Logan Intl

Sat 11/15

8:00 am-4:15 pm

1 stop42h 15m

$757

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Sat 10/4

11:30 am-6:07 am

1 stop31h 37m

Boston Logan Intl

Sat 11/1

7:38 pm-4:15 pm

2 stops31h 37m

$935

IncheonManchester

ICN - MHT

ICNMHT

Incheon Intl

Wed 2/18

6:50 pm-10:29 pm

2 stops41h 39m

Manchester

Sun 2/22

5:10 pm-4:45 pm

2 stops57h 35m

$977

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Fri 2/6

9:10 am-8:40 am

Nonstop13h 30m

Boston Logan Intl

Sun 2/15

5:00 pm-5:45 pm

1 stop34h 45m

$1,074

SeoulBoston

GMP - BOS

GMPBOS

Seoul Gimpo Intl

Wed 10/15

2:00 pm-10:39 pm

2 stops21h 39m

Boston Logan Intl

Wed 10/22

6:40 pm-3:00 pm

2 stops31h 20m

$1,213

SeoulBoston

GMP - BOS

GMPBOS

Seoul Gimpo Intl

Wed 10/29

8:00 am-10:37 pm

2 stops27h 37m

Boston Logan Intl

Wed 11/5

6:15 am-10:05 pm

2 stops25h 50m

$1,248

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Tue 9/30

4:50 pm-11:02 am

2 stops31h 12m

Boston Logan Intl

Mon 10/13

7:30 am-4:20 am

2 stops31h 50m

$1,252

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 53 results
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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

What is the cheapest time of day to fly from KR to NH?

Find hourly flight availability from South Korea to New Hampshire. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Korea to New Hampshire as you normally would.

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 Alaska Airlines, United Airlines, and American Airlines fly from South Korea to New Hampshire in about 20h 07m. The time it takes to get you to your destination can typically vary by up to 21h 32m. 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.

  • What are the cheapest airlines to fly from South Korea to New Hampshire one-way?

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $441. However, be on the lookout for offers from WestJet and Japan Airlines, as they are both options that can get you from South Korea to New Hampshire for a low price.

  • 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.

  • What is the cheapest month to book a flight from South Korea to New Hampshire?

    Currently, January is the cheapest month in which you can book a flight from South Korea to New Hampshire (average of $334). Flying from South Korea to New Hampshire in April is currently the most expensive (average of $397). 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.

See more FAQs

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Alternative routes for South Korea to New Hampshire

See prices for flight routes from nearby airports that may be better suited for you.
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