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$436+ Cheap flights from Incheon Intl (ICN) 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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — MHT
Jan 30 — Feb 61
Fri 1/30
Fri 2/6
1 adult, Economy
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Cheap flight deals from Incheon Intl to New Hampshire

Cheapest flights from Incheon Intl to New Hampshire
Explore the most affordable flight options available from Incheon Intl to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 31, 2025.

This United Airlines deal was found by Cheapflights users on 12/30. 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.
Wed 12/316:00 pmICN - BOS
1 stop20h 53mUnited Airlines
Thu 1/811:42 amBOS - ICN
2 stops27h 58mUnited Airlines
Deal found 12/30$524
This United Airlines deal was found by Cheapflights users on 12/30. 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.
Wed 12/3112:45 pmICN - BOS
2 stops21h 10mUnited Airlines
Fri 1/911:17 amBOS - ICN
2 stops38h 58mUnited Airlines
Deal found 12/30$721
This United Airlines deal was found by Cheapflights users on 12/29. 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.
Wed 12/316:00 pmICN - BOS
2 stops40h 42mUnited Airlines
Sat 1/105:57 pmBOS - ICN
1 stop32h 18mUnited Airlines
Deal found 12/29$949
This Delta deal was found by Cheapflights users on 12/29. 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 12/317:30 pmICN - BOS
1 stop16h 32mDelta
Sat 1/1010:05 amBOS - ICN
1 stop30h 25mDelta
Deal found 12/29$976
This Delta deal was found by Cheapflights users on 12/30. 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 12/318:05 pmICN - BOS
1 stop25h 24mDelta
Fri 1/911:00 amBOS - ICN
Nonstop15h 35mDelta
Deal found 12/30$1,482
This Mytrip deal was found by Cheapflights users on 12/30. 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 12/315:00 amICN - BOS
2 stops31h 00mMultiple Airlines
Thu 1/85:30 amBOS - ICN
3 stops26h 35mMultiple Airlines
Deal found 12/30$1,483
This Korean Air deal was found by Cheapflights users on 12/30. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:25 pmICN - BOS
1 stop18h 29mKorean Air
Thu 1/811:00 amBOS - ICN
Nonstop15h 35mKorean Air
Deal found 12/30$1,566
This Mytrip deal was found by Cheapflights users on 12/29. 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 12/302:20 amICN - BOS
2 stops33h 40mMultiple Airlines
Sat 1/103:43 pmBOS - ICN
3 stops35h 27mMultiple Airlines
Deal found 12/29$1,670
This Mytrip deal was found by Cheapflights users on 12/30. 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 12/315:00 amICN - BOS
2 stops31h 00mMultiple Airlines
Fri 1/93:43 pmBOS - ICN
3 stops34h 17mMultiple Airlines
Deal found 12/30$1,697
This Tourvis deal was found by Cheapflights users on 12/29. 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 Tourvis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:10 amICN - BOS
Nonstop13h 30mKorean Air
Tue 12/302:39 pmBOS - ICN
1 stop36h 06mKorean Air
Deal found 12/29$1,871
This Tourvis deal was found by Cheapflights users on 12/30. 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 Tourvis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:10 amICN - BOS
Nonstop13h 30mKorean Air
Fri 1/911:00 amBOS - ICN
Nonstop15h 35mKorean Air
Deal found 12/30$1,959
This Korean Air deal was found by Cheapflights users on 12/29. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:10 amICN - BOS
Nonstop13h 30mKorean Air
Sat 1/1011:00 amBOS - ICN
Nonstop15h 35mKorean Air
Deal found 12/29$2,004

Find flight deals from Incheon Intl to New Hampshire

Keep the following information in mind while searching for Incheon Intl to New Hampshire flight deals. Data was last updated December 31, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$479
(American Airlines)

One-way from

$436
(SmartFares)

Popular in

June

Cheapest in

November

Average price

$767
Provider with most accurate pricing for Seoul (SEL)-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Seoul (SEL)-Boston Logan Intl flights.
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From Incheon Intl to New Hampshire
Search Deals
One-way flight from Incheon Intl to New Hampshire
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($168 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Incheon Intl 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 December 31, 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to New Hampshire that are best for you.

Fly from

Incheon Intl

Fly to

New Hampshire

Route

Depart

Return

Price

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Sat 2/28

8:35 pm-6:54 am

1 stop24h 19m

Boston Logan Intl

Sun 3/22

7:15 am-6:35 pm

1 stop22h 20m

$594

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Thu 1/29

12:45 pm-11:49 pm

2 stops25h 04m

Boston Logan Intl

Fri 1/30

5:57 pm-5:40 am

1 stop21h 43m

$618

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Thu 1/29

12:45 pm-7:51 pm

1 stop21h 06m

Boston Logan Intl

Mon 2/2

10:56 am-5:40 am

1 stop28h 44m

$619

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Sun 3/1

6:00 pm-5:52 am

2 stops25h 52m

Boston Logan Intl

Mon 3/23

4:30 pm-4:40 am

2 stops23h 10m

$653

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Sat 1/31

12:45 pm-12:19 pm

2 stops37h 34m

Boston Logan Intl

Fri 2/6

10:30 am-5:40 am

2 stops29h 10m

$656

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Mon 2/9

6:00 pm-11:49 pm

2 stops19h 49m

Boston Logan Intl

Thu 3/5

8:45 am-5:40 am

2 stops30h 55m

$769

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Thu 2/26

6:00 pm-12:49 am

1 stop20h 49m

Boston Logan Intl

Wed 3/25

11:00 am-4:40 am

1 stop28h 40m

$825

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Fri 1/23

8:35 pm-11:54 pm

1 stop17h 19m

Boston Logan Intl

Sat 2/7

7:00 am-6:35 pm

1 stop21h 35m

$877

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Wed 1/21

6:00 pm-11:46 pm

2 stops19h 46m

Boston Logan Intl

Mon 2/2

3:15 pm-5:40 am

2 stops24h 25m

$902

IncheonManchester

ICN - MHT

ICNMHT

Incheon Intl

Thu 2/19

7:15 pm-11:21 am

2 stops30h 06m

Manchester

Mon 2/23

6:00 am-4:45 pm

2 stops44h 45m

$916

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/29

Showing 1-10 of 22 results
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Best time to book a flight from Incheon Intl to New Hampshire

Have a flexible travel schedule? Discover the best time to fly to New Hampshire from Incheon Intl 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 Incheon Intl Airport 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 Incheon Intl 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 Incheon Intl Airport to New Hampshire?

    Airlines like United Airlines and American Airlines fly from Incheon Intl Airport to New Hampshire in about 25h 04m. The time it takes to get you to your destination can typically vary by up to 5h 02m. Incheon Intl Airport and New Hampshire are separated by a distance of 6809 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Incheon Intl Airport to New Hampshire?

    While some choose either Incheon Intl - Worcester or Incheon Intl - Manchester, Incheon Intl - Boston Logan Intl is the most popular route from Incheon Intl Airport to New Hampshire.

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

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

  • How can I find direct flights from Incheon Intl to New Hampshire?

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

  • Can I find deals for business class flights from Incheon Intl to New Hampshire?

    Yes. Cheapflights offers flight deals from Incheon Intl 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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Alternative routes for Incheon Intl to New Hampshire

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