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$253+ Cheap flights from Kaua'i to Boston (BOS)

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
LIH — BOS
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from Kaua'i to Boston

Keep the following information in mind while searching for Kaua'i to Boston flight deals. Data was last updated August 18, 2025.

Round-trip from

$602
(American Airlines)

One-way from

$253
(Alaska Airlines)

Popular in

December

Cheapest in

June

Average price

$743
From Kaua'i to Boston Logan Intl
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One-way flight from Kaua'i to Boston Logan Intl
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Highest demand for flights based on searches. 13% potential increase in price ($108 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Kaua'i to Boston

Cheapest flights from Kaua'i to Boston
Explore the most affordable flight options available from Kaua'i to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This Alaska Airlines deal was found by Cheapflights users on 8/17. 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.
Mon 11/104:16 pmLIH - BOS
1 stop18h 25mAlaska Airlines
Thu 11/137:00 amBOS - LIH
1 stop20h 25mAlaska Airlines
Deal found 8/17$559
This Delta deal was found by Cheapflights users on 8/17. 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.
Mon 11/1010:26 pmLIH - BOS
2 stops16h 12mDelta
Thu 11/136:00 amBOS - LIH
2 stops19h 22mDelta
Deal found 8/17$578
This American Airlines deal was found by Cheapflights users on 8/16. 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.
Wed 12/2411:00 pmLIH - BOS
1 stop12h 35mAmerican Airlines
Tue 12/306:52 amBOS - LIH
1 stop16h 50mAmerican Airlines
Deal found 8/16$602
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/26:59 pmLIH - BOS
1 stop29h 01mAlaska Airlines
Sat 9/67:45 amBOS - LIH
2 stops16h 45mAlaska Airlines
Deal found 8/18$632
This United Airlines deal was found by Cheapflights users on 8/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/27:40 pmLIH - BOS
2 stops15h 54mUnited Airlines
Sat 9/69:30 amBOS - LIH
2 stops16h 28mUnited Airlines
Deal found 8/18$642
This American Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 9/29:16 pmLIH - BOS
1 stop17h 27mAmerican Airlines
Sat 9/66:15 amBOS - LIH
1 stop14h 12mAmerican Airlines
Deal found 8/18$664
This Delta deal was found by Cheapflights users on 8/17. 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.
Mon 11/1710:26 pmLIH - BOS
1 stop12h 15mDelta
Thu 11/206:30 amBOS - LIH
2 stops20h 50mDelta
Deal found 8/17$744
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Mon 11/1710:44 pmLIH - BOS
1 stop12h 34mAmerican Airlines
Thu 11/206:05 amBOS - LIH
1 stop14h 49mAmerican Airlines
Deal found 8/17$809

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kaua'i to Boston 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 August 18, 2025.
Use the filters below to find and compare flights from Kaua'i to Boston that are best for you.

Fly from

Kaua'i

Fly to

Boston

Route

Depart

Return

Price

LihueBoston

LIH - BOS

LIHBOS

Lihue

Mon 11/10

4:16 pm-3:41 pm

1 stop18h 25m

Boston Logan Intl

Thu 11/13

7:00 am-10:25 pm

1 stop20h 25m

$559

LihueBoston

LIH - BOS

LIHBOS

Lihue

Mon 11/10

10:26 pm-7:38 pm

2 stops16h 12m

Boston Logan Intl

Thu 11/13

6:00 am-8:22 pm

2 stops19h 22m

$578

LihueBoston

LIH - BOS

LIHBOS

Lihue

Wed 12/24

11:00 pm-4:35 pm

1 stop12h 35m

Boston Logan Intl

Tue 12/30

6:52 am-6:42 pm

1 stop16h 50m

$602

LihueBoston

LIH - BOS

LIHBOS

Lihue

Sun 2/1

9:00 pm-11:59 pm

2 stops21h 59m

Boston Logan Intl

Sat 2/21

4:20 pm-12:03 pm

2 stops24h 43m

$606

LihueBoston

LIH - BOS

LIHBOS

Lihue

Tue 9/2

6:59 pm-6:00 am

1 stop29h 01m

Boston Logan Intl

Sat 9/6

7:45 am-6:30 pm

2 stops16h 45m

$632

LihueBoston

LIH - BOS

LIHBOS

Lihue

Tue 9/2

7:40 pm-5:34 pm

2 stops15h 54m

Boston Logan Intl

Sat 9/6

9:30 am-7:58 pm

2 stops16h 28m

$642

LihueBoston

LIH - BOS

LIHBOS

Lihue

Tue 9/2

9:16 pm-8:43 pm

1 stop17h 27m

Boston Logan Intl

Sat 9/6

6:15 am-2:27 pm

1 stop14h 12m

$664

LihueBoston

LIH - BOS

LIHBOS

Lihue

Mon 11/17

10:26 pm-3:41 pm

1 stop12h 15m

Boston Logan Intl

Thu 11/20

6:30 am-10:20 pm

2 stops20h 50m

$744

LihueBoston

LIH - BOS

LIHBOS

Lihue

Mon 11/3

4:16 pm-3:41 pm

1 stop18h 25m

$253

LihueBoston

LIH - BOS

LIHBOS

Lihue

Mon 9/15

2:25 pm-3:00 pm

1 stop18h 35m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 15 results
1
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Best time to book a flight from Kaua'i to Boston

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

What is the cheapest time of day to fly from FUS to BOS?

Find hourly flight availability from Kaua'i to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

When flying from Kaua'i to Boston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated August 18, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Kaua'i to Boston have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Hawaiian Airlines
7.8
Good
2,665 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
United Airlines
7.4
Good
8,925 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

Related info for your journey

Find useful and relevant information for your journey from Kaua'i to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Boston from Kaua'i?

    If you book a flight to Boston from Kaua'i, you will be flying to Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston.

  • How long is the flight from Kaua'i to Boston?

    Airlines like Alaska Airlines, Delta, and American Airlines fly from Kaua'i to Boston in about 12h 35m. The time it takes to get you to your destination can typically vary by up to 5h 50m. The distance between Kaua'i and Boston is about 5124 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Kaua'i to Boston (average of $218). Flying from Kaua'i to Boston in July is currently the most expensive (average of $311). 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

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Medford
Watertown
Hampton Beach
Waltham
Seabrook
Lowell
Lincoln
Smithfield
Cranston
Chestnut Hill
Warwick
Peabody
Quincy
York Beach
Chelsea
Swansea
Saugus
Burlington
Braintree

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Top 4 airlines flying from Kaua'i to Boston

Discover the top 4 airlines that operate flights from Kaua'i to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$269Average$721FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$302Average$718FlexibilityNo cancel feeOn-time69%
DeltaCheapest$351Average$763FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$488Average$662FlexibilityNo cancel feeOn-time75%

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