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$233+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
LIH — BOS
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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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 November 13, 2025.

This Delta deal was found by Cheapflights users on 11/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:55 pmLIH - BOS
1 stop12h 28mDelta
Mon 12/87:45 amBOS - LIH
1 stop15h 48mDelta
Deal found 11/13$445
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Mon 12/228:30 pmLIH - BOS
1 stop12h 32mUnited Airlines
Thu 1/16:01 amBOS - LIH
2 stops16h 46mUnited Airlines
Deal found 11/12$570
This American Airlines deal was found by Cheapflights users on 11/12. 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 12/229:45 pmLIH - BOS
1 stop13h 45mAmerican Airlines
Thu 1/19:10 amBOS - LIH
1 stop14h 29mAmerican Airlines
Deal found 11/12$629
This American Airlines deal was found by Cheapflights users on 11/12. 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 12/239:45 pmLIH - BOS
1 stop13h 45mAmerican Airlines
Mon 12/296:40 amBOS - LIH
1 stop16h 59mAmerican Airlines
Deal found 11/12$801

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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$445
(Delta)

One-way from

$233
(Alaska Airlines)

Popular in

July

Cheapest in

June

Average price

$517
Provider with most accurate pricing for Lihue-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Lihue-Boston Logan Intl flights.
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From Kaua'i to Boston Logan Intl
Search Deals
One-way flight from Kaua'i to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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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 November 13, 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

Thu 12/4

10:55 pm-4:23 pm

1 stop12h 28m

Boston Logan Intl

Mon 12/8

7:45 am-6:33 pm

1 stop15h 48m

$445

LihueBoston

LIH - BOS

LIHBOS

Lihue

Mon 12/22

8:30 pm-2:02 pm

1 stop12h 32m

Boston Logan Intl

Thu 1/1

6:01 am-5:47 pm

2 stops16h 46m

$570

LihueBoston

LIH - BOS

LIHBOS

Lihue

Mon 12/22

9:45 pm-4:30 pm

1 stop13h 45m

Boston Logan Intl

Thu 1/1

9:10 am-6:39 pm

1 stop14h 29m

$629

LihueBoston

LIH - BOS

LIHBOS

Lihue

Tue 5/5

9:26 pm-3:44 pm

1 stop12h 18m

Boston Logan Intl

Wed 5/6

8:15 pm-5:12 pm

1 stop26h 57m

$678

LihueBoston

LIH - BOS

LIHBOS

Lihue

Tue 5/5

11:16 am-7:12 am

2 stops13h 56m

Boston Logan Intl

Wed 5/6

10:00 am-9:54 pm

2 stops17h 54m

$766

LihueBoston

LIH - BOS

LIHBOS

Lihue

Tue 5/5

2:07 pm-11:57 am

2 stops15h 50m

Boston Logan Intl

Wed 5/6

5:01 pm-2:20 pm

1 stop27h 19m

$776

LihueBoston

LIH - BOS

LIHBOS

Lihue

Mon 1/12

1:39 pm-5:39 pm

2 stops23h 00m

$233

LihueBoston

LIH - BOS

LIHBOS

Lihue

Mon 1/12

11:00 pm-5:56 pm

1 stop13h 56m

$243

LihueBoston

LIH - BOS

LIHBOS

Lihue

Mon 1/12

10:45 pm-4:09 pm

1 stop12h 24m

$243

LihueBoston

LIH - BOS

LIHBOS

Lihue

Sat 12/6

9:50 pm-4:03 pm

1 stop13h 13m

$270

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 13 results
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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 November 13, 2025.

One of the essential ways to save on airfare from Kaua'i to Boston is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 23% on airfare.

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 November 13, 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
11,281 reviews

Entertainment

7.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,281 reviews
Alaska Airlines
8.0
Very good
11,281 reviews

Entertainment

7.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
8,007 reviews
Alaska Airlines
8.0
Very good
11,281 reviews

Entertainment

7.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Hawaiian Airlines
7.8
Good
2,809 reviews
Alaska Airlines
8.0
Very good
11,281 reviews

Entertainment

7.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
9,015 reviews
Alaska Airlines
8.0
Very good
11,281 reviews

Entertainment

7.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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 Delta, United Airlines, and American Airlines fly from Kaua'i to Boston in about 12h 28m. The time it takes to get you to your destination can typically vary by up to 1h 17m. The distance between Kaua'i and Boston is about 5124 mi. This flight may include one or multiple stops.

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

    The cheapest airlines for a one-way flight from Kaua'i to Boston are Alaska Airlines ($233), American Airlines ($243), and Delta ($243).

  • 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.

See more FAQs

Traveling to a place near Boston?

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

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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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$269Average$721FlexibilityNo cancel feeOn-time85%
DeltaCheapest$351Average$635FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$488Average$662FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$517Average$605FlexibilityNo cancel feeOn-time69%

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