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Kaua'i

$213+ Cheap flights from New Hampshire to Kaua'i

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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — LIH
Sep 10 — Sep 171
Wed 9/10
Wed 9/17
1 adult, Economy
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Cheap flight deals from New Hampshire to Kaua'i

Keep the following information in mind while searching for New Hampshire to Kaua'i flight deals. Data was last updated September 5, 2025.

Round-trip from

$425
(Alaska Airlines)

One-way from

$213
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$571
From New Hampshire to Kaua'i
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One-way flight from New Hampshire to Kaua'i
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Highest demand for flights based on searches. 0% potential increase in price ($4 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from New Hampshire to Kaua'i

Cheapest flights from New Hampshire to Kaua'i
Explore the most affordable flight options available from New Hampshire to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 5, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:59 pmBOS - LIH
1 stop20h 47mAlaska Airlines
Wed 11/124:16 pmLIH - BOS
1 stop18h 25mAlaska Airlines
Deal found 9/4$425
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:59 pmBOS - LIH
1 stop20h 47mAlaska Airlines
Thu 11/137:12 pmLIH - BOS
2 stops15h 29mAlaska Airlines
Deal found 9/4$430
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:59 pmBOS - LIH
1 stop20h 47mAlaska Airlines
Fri 11/144:16 pmLIH - BOS
1 stop18h 25mAlaska Airlines
Deal found 9/4$477
This Expedia deal was found by Cheapflights users on 9/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:59 pmBOS - LIH
2 stops24h 43mAlaska Airlines
Fri 11/144:16 pmLIH - BOS
1 stop18h 25mAlaska Airlines
Deal found 9/4$482
This Delta deal was found by Cheapflights users on 9/3. 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.
Tue 9/306:15 amBOS - LIH
1 stop17h 06mDelta
Sun 10/59:40 pmLIH - BOS
1 stop12h 42mDelta
Deal found 9/3$488
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:59 pmBOS - LIH
1 stop20h 47mAlaska Airlines
Sun 11/168:01 pmLIH - BOS
2 stops14h 40mAlaska Airlines
Deal found 9/4$496
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:59 pmBOS - LIH
2 stops25h 43mAlaska Airlines
Wed 11/124:16 pmLIH - BOS
1 stop18h 25mAlaska Airlines
Deal found 9/4$510
This Delta deal was found by Cheapflights users on 9/3. 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 9/246:00 amPWM - LIH
2 stops18h 59mDelta
Wed 10/19:40 pmLIH - PWM
2 stops20h 31mDelta
Deal found 9/3$714
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/183:28 pmPWM - LIH
2 stops26h 46mAmerican Airlines
Mon 9/229:40 pmLIH - PWM
2 stops18h 49mAmerican Airlines
Deal found 9/3$830
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Sat 11/17:07 amMHT - LIH
2 stops36h 11mAmerican Airlines
Wed 11/510:44 pmLIH - MHT
2 stops19h 13mAmerican Airlines
Deal found 9/2$832
This American Airlines deal was found by Cheapflights users on 9/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/195:59 pmMHT - LIH
2 stops24h 15mAmerican Airlines
Tue 9/239:40 pmLIH - MHT
2 stops18h 44mAmerican Airlines
Deal found 9/4$852
This United Airlines deal was found by Cheapflights users on 9/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/19:30 amMHT - LIH
3 stops37h 28mUnited Airlines
Wed 11/58:30 pmLIH - MHT
2 stops22h 14mUnited Airlines
Deal found 9/4$1,059

Cheapflights Fare Finder

 
Customize your flight search to find flights from New Hampshire to Kaua'i 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 5, 2025.
Use the filters below to find and compare flights from New Hampshire to Kaua'i that are best for you.

Fly from

New Hampshire

Fly to

Kaua'i

Route

Depart

Return

Price

BostonLihue

BOS - LIH

BOSLIH

Boston Logan Intl

Tue 11/4

6:59 pm-10:46 am

1 stop20h 47m

Lihue

Wed 11/12

4:16 pm-3:41 pm

1 stop18h 25m

$425

BostonLihue

BOS - LIH

BOSLIH

Boston Logan Intl

Tue 11/4

6:59 pm-10:46 am

1 stop20h 47m

Lihue

Thu 11/13

7:12 pm-3:41 pm

2 stops15h 29m

$430

BostonLihue

BOS - LIH

BOSLIH

Boston Logan Intl

Tue 11/4

6:59 pm-10:46 am

1 stop20h 47m

Lihue

Fri 11/14

4:16 pm-3:41 pm

1 stop18h 25m

$477

BostonLihue

BOS - LIH

BOSLIH

Boston Logan Intl

Mon 11/3

6:59 pm-2:42 pm

2 stops24h 43m

Lihue

Fri 11/14

4:16 pm-3:41 pm

1 stop18h 25m

$482

BostonLihue

BOS - LIH

BOSLIH

Boston Logan Intl

Tue 9/30

6:15 am-5:21 pm

1 stop17h 06m

Lihue

Sun 10/5

9:40 pm-4:22 pm

1 stop12h 42m

$488

BostonLihue

BOS - LIH

BOSLIH

Boston Logan Intl

Tue 11/4

6:59 pm-10:46 am

1 stop20h 47m

Lihue

Sun 11/16

8:01 pm-3:41 pm

2 stops14h 40m

$496

BostonLihue

BOS - LIH

BOSLIH

Boston Logan Intl

Wed 1/21

7:00 am-7:47 pm

1 stop17h 47m

Lihue

Sun 1/25

10:45 pm-3:50 pm

1 stop12h 05m

$508

PortlandLihue

PWM - LIH

PWMLIH

Portland

Tue 1/6

5:30 am-8:31 pm

2 stops20h 01m

Lihue

Thu 1/15

10:45 pm-9:59 pm

2 stops18h 14m

$659

PortlandLihue

PWM - LIH

PWMLIH

Portland

Wed 9/24

6:00 am-6:59 pm

2 stops18h 59m

Lihue

Wed 10/1

9:40 pm-12:11 am

2 stops20h 31m

$714

PortlandLihue

PWM - LIH

PWMLIH

Portland

Thu 9/18

3:28 pm-12:14 pm

2 stops26h 46m

Lihue

Mon 9/22

9:40 pm-10:29 pm

2 stops18h 49m

$830

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/4

Showing 1-10 of 31 results
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Best time to book a flight from New Hampshire to Kaua'i

Have a flexible travel schedule? Discover the best time to fly to Kaua'i from New Hampshire 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 New Hampshire to Kaua'i
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 New Hampshire to Kaua'i. 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 New Hampshire to Kaua'i?

    Alaska Airlines, Delta, and American Airlines can get you from New Hampshire to Kaua'i in just under 17h 06m. Your travel time can differ by up to 9h 40m. The distance between New Hampshire and Kaua'i is about 5124 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from New Hampshire to Kaua'i one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $213. Users have also found prices from $413 and $499 on American Airlines and United Airlines, respectively.

  • Can I find deals for flights from New Hampshire to Kaua'i that include hotel bookings?

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

  • How can I find direct flights from New Hampshire to Kaua'i?

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

  • Can I find deals for business class flights from New Hampshire to Kaua'i?

    Yes. Cheapflights offers flight deals from New Hampshire to Kaua'i 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 New Hampshire to Kaua'i?

    Currently, January is the cheapest month in which you can book a flight from New Hampshire to Kaua'i (average of $440). Flying from New Hampshire to Kaua'i in June is currently the most expensive (average of $689). 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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