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Cheap flights from New Hampshire to Seoul from $356

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Hampshire to Seoul departing on 2/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from New Hampshire to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:40 pm - 2:10 pm
BOS
-
GMP
29h 30m
2 stops
Multiple Airlines Logo
8:40 am - 5:20 pm
GMP
-
BOS
21h 40m
1 stop
$887Multiple Airlines
Sun, Mar 8 - Wed, Mar 11
Multiple Airlines Logo
7:40 pm - 8:30 pm
BOS
-
ICN
35h 50m
2 stops
Multiple Airlines Logo
8:20 am - 4:40 pm
ICN
-
BOS
21h 20m
1 stop
$887Multiple Airlines
Sun, Mar 22 - Wed, Apr 15
Multiple Airlines Logo
7:40 pm - 2:10 pm
BOS
-
GMP
29h 30m
2 stops
Multiple Airlines Logo
8:40 am - 5:20 pm
GMP
-
BOS
21h 40m
1 stop
$888Multiple Airlines
Wed, Mar 11 - Fri, Mar 27
Cathay Pacific Logo
12:30 am - 1:55 pm
BOS
-
ICN
23h 25m
1 stop
Cathay Pacific Logo
7:35 pm - 11:00 pm
ICN
-
BOS
40h 25m
1 stop
$911Cathay Pacific
Sun, Feb 22 - Mon, Mar 9
Turkish Airlines Logo
8:00 pm - 6:20 pm
BOS
-
ICN
32h 20m
1 stop
Turkish Airlines Logo
12:10 am - 6:05 pm
ICN
-
BOS
31h 55m
1 stop
$929Turkish Airlines
Wed, Feb 25 - Wed, Mar 4
Cathay Pacific Logo
12:30 am - 1:55 pm
BOS
-
ICN
23h 25m
1 stop
Cathay Pacific Logo
1:45 pm - 11:00 pm
ICN
-
BOS
22h 15m
1 stop
$934Cathay Pacific
Wed, Feb 25 - Wed, Mar 11
Japan Airlines Logo
12:09 pm - 10:55 am
BOS
-
GMP
32h 46m
2 stops
Japan Airlines Logo
8:00 am - 3:17 pm
GMP
-
BOS
21h 17m
2 stops
$1,091Japan Airlines
Tue, Feb 24 - Fri, Mar 6
Japan Airlines Logo
6:30 am - 9:15 pm
BOS
-
GMP
25h 45m
2 stops
Japan Airlines Logo
12:05 pm - 11:52 pm
GMP
-
BOS
24h 47m
2 stops
$1,094Japan Airlines
Tue, Apr 7 - Tue, Apr 21
American Airlines Logo
5:40 pm - 4:45 pm
PWM
-
ICN
33h 05m
2 stops
American Airlines Logo
5:55 pm - 4:37 pm
ICN
-
PWM
35h 42m
2 stops
$1,138American Airlines
Tue, Feb 17 - Tue, Mar 10
American Airlines Logo
12:29 pm - 4:45 pm
PWM
-
ICN
38h 16m
2 stops
American Airlines Logo
5:55 pm - 10:28 am
ICN
-
PWM
29h 33m
2 stops
$1,157American Airlines
Thu, Feb 19 - Wed, Mar 11

Korean Air flights from New Hampshire to Seoul

Our best Korean Air deals on New Hampshire to Seoul flight tickets
Korean Air
Mar 23
PWM5:23 amPortland
21h 27m
1 stop
ICN3:50 pmIncheon Intl
Mar 30
ICN4:25 pmIncheon Intl
19h 57m
1 stop
PWM11:22 pmPortland
$1,567
Korean Air
Feb 13
BOS11:00 amBoston Logan Intl
15h 35m
ICN4:35 pmIncheon Intl
Mar 1
ICN9:10 amIncheon Intl
13h 30m
BOS8:40 amBoston Logan Intl
$1,774
Korean Air
Feb 22
PWM5:31 amPortland
20h 19m
1 stop
ICN3:50 pmIncheon Intl
Feb 26
ICN6:00 pmIncheon Intl
19h 06m
1 stop
PWM11:06 pmPortland
$1,940

Air Canada flights from New Hampshire to Seoul

Our best Air Canada deals on New Hampshire to Seoul flight tickets
Air Canada
Feb 22
PWM6:00 amPortland
45h 10m
2 stops
ICN5:10 pmIncheon Intl
Feb 26
ICN6:55 pmIncheon Intl
42h 25m
2 stops
PWM11:20 pmPortland
$1,724
Air Canada
Feb 22
PWM6:00 amPortland
45h 10m
2 stops
ICN5:10 pmIncheon Intl
Feb 26
ICN6:55 pmIncheon Intl
42h 25m
2 stops
PWM11:20 pmPortland
$1,736
Air Canada
Feb 22
PWM6:00 amPortland
45h 10m
2 stops
ICN5:10 pmIncheon Intl
Feb 26
ICN6:55 pmIncheon Intl
42h 25m
2 stops
PWM11:20 pmPortland
$1,960

momondo Fare Finder

 
Customize your flight search to find flights from New Hampshire to Seoul 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, momondo users made 832,500 searches. Data last updated February 8, 2026.
Use the filters below to find and compare flights from New Hampshire to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Sun 3/8

7:40 pm-2:10 pm

2 stops29h 30m

Seoul Gimpo Intl

Wed 3/11

8:40 am-5:20 pm

1 stop21h 40m

$887

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sun 3/22

7:40 pm-8:30 pm

2 stops35h 50m

Incheon Intl

Wed 4/15

8:20 am-4:40 pm

1 stop21h 20m

$887

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Wed 3/11

7:40 pm-2:10 pm

2 stops29h 30m

Seoul Gimpo Intl

Fri 3/27

8:40 am-5:20 pm

1 stop21h 40m

$888

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sun 2/22

12:30 am-1:55 pm

1 stop23h 25m

Incheon Intl

Mon 3/9

7:35 pm-11:00 pm

1 stop40h 25m

$911

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Wed 2/25

8:00 pm-6:20 pm

1 stop32h 20m

Incheon Intl

Wed 3/4

12:10 am-6:05 pm

1 stop31h 55m

$929

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Wed 2/25

12:30 am-1:55 pm

1 stop23h 25m

Incheon Intl

Wed 3/11

1:45 pm-11:00 pm

1 stop22h 15m

$934

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Tue 2/24

12:09 pm-10:55 am

2 stops32h 46m

Seoul Gimpo Intl

Fri 3/6

8:00 am-3:17 pm

2 stops21h 17m

$1,091

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Tue 4/7

6:30 am-9:15 pm

2 stops25h 45m

Seoul Gimpo Intl

Tue 4/21

12:05 pm-11:52 pm

2 stops24h 47m

$1,094

PortlandIncheon

PWM - ICN

PWMICN

Portland

Tue 2/17

5:40 pm-4:45 pm

2 stops33h 05m

Incheon Intl

Tue 3/10

5:55 pm-4:37 pm

2 stops35h 42m

$1,138

PortlandIncheon

PWM - ICN

PWMICN

Portland

Thu 2/19

12:29 pm-4:45 pm

2 stops38h 16m

Incheon Intl

Wed 3/11

5:55 pm-10:28 am

2 stops29h 33m

$1,157

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seoul from

How to get the cheapest flight ticket from New Hampshire to Seoul

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seoul?

The month of October is another great option to travel to Seoul, with average flight prices from New Hampshire averaging around $1,073.

What is the cheapest day to depart on your flight to Seoul?

According to our data, Monday is the cheapest day to fly to Seoul from New Hampshire. The lowest ticket price found for a Monday departure recently was $1,004. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Friday, with ticket prices averaging around $1,205.

What is the cheapest time of day to depart on your flight to Seoul?

Flying to Seoul from New Hampshire in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,082 when looking at flights departing in the morning. At noon is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,556 per ticket.

How far in advance should I book a flight to Seoul?

You are more likely to see cheaper flights to Seoul from New Hampshire when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,502 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from New Hampshire for as low as $1,157 on momondo.

Cheap New Hampshire to Seoul flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Hampshire to Seoul

Fastest flight time

15h 30m

Direct flights

Every day

Airports in Seoul

2 airports
The fastest flight from New Hampshire to Seoul takes 15h 30m
Direct flights go from New Hampshire to Seoul every day.
There are 2 airports in Seoul. From New Hampshire there are direct flights to Incheon Intl (ICN).
Search flight deals

  • When did momondo last update prices for flights from New Hampshire to Seoul?

    Prices for flights from New Hampshire to Seoul are refreshed on a daily basis.

  • How many operators does momondo search for flights from New Hampshire to Seoul?

  • How old do you have to be to fly from New Hampshire to Seoul?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New Hampshire to Seoul.

  • What documentation or ID do you need to fly to Seoul?

    The travel and health documents required for your trip to Seoul can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seoul. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from New Hampshire to Seoul?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seoul from New Hampshire.

Can I find flights from New Hampshire to Seoul with flexible booking policies on momondo?

All flight searches from New Hampshire to Seoul on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from New Hampshire to Seoul?

Once you have performed a search for New Hampshire to Seoul flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from New Hampshire to Seoul right now. Can momondo alert me if prices change?

Yes. momondo can track prices for New Hampshire to Seoul flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul
Seoul Gimpo Intl Airport
Incheon Intl Airport