HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boston

$226+ 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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
LIH — BOS
Feb 21 — Feb 281
Sat 2/21
Sat 2/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kaua'i to Boston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 January 22, 2026.

This Delta deal was found by Cheapflights users on 1/20. 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 4/298:25 pm
LIH
-
BOS
1 stop13h 17m
Delta
Mon 5/47:20 am
BOS
-
LIH
1 stop16h 20m
Delta
Deal found 1/20$527
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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.
Thu 2/510:20 pm
LIH
-
BOS
1 stop13h 00m
Alaska Airlines
Mon 2/94:20 pm
BOS
-
LIH
1 stop25h 43m
Alaska Airlines
Deal found 1/20$612
This Expedia deal was found by Cheapflights users on 1/20. 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.
Thu 2/57:49 pm
LIH
-
BOS
2 stops14h 31m
Multiple Airlines
Mon 2/94:20 pm
BOS
-
LIH
1 stop25h 43m
Multiple Airlines
Deal found 1/20$618
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 2/310:25 am
LIH
-
BOS
1 stop26h 14m
Alaska Airlines
Thu 2/54:20 pm
BOS
-
LIH
1 stop26h 25m
Alaska Airlines
Deal found 1/21$662
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Thu 2/52:10 pm
LIH
-
BOS
2 stops15h 42m
United Airlines
Mon 2/95:45 am
BOS
-
LIH
2 stops16h 19m
United Airlines
Deal found 1/20$703
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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 2/36:33 pm
LIH
-
BOS
2 stops16h 47m
Multiple Airlines
Thu 2/54:20 pm
BOS
-
LIH
1 stop26h 25m
Multiple Airlines
Deal found 1/19$708
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/32:10 pm
LIH
-
BOS
2 stops21h 42m
United Airlines
Thu 2/510:30 am
BOS
-
LIH
2 stops31h 24m
United Airlines
Deal found 1/21$846

Find 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 January 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$527
(Delta)

One-way from

$226
(Kiwi.com)

Popular in

July

Cheapest in

June

Average price

$665
Provider with most accurate pricing for Lihue-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lihue-Boston Logan Intl flights.
Search Deals
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. 6% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 22, 2026.
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

Wed 4/29

8:25 pm-3:42 pm

1 stop13h 17m

Boston Logan Intl

Mon 5/4

7:20 am-5:40 pm

1 stop16h 20m

$527

LihueBoston

LIH - BOS

LIHBOS

Lihue

Thu 2/5

10:20 pm-4:20 pm

1 stop13h 00m

Boston Logan Intl

Mon 2/9

4:20 pm-1:03 pm

1 stop25h 43m

$612

LihueBoston

LIH - BOS

LIHBOS

Lihue

Thu 2/5

7:49 pm-3:20 pm

2 stops14h 31m

Boston Logan Intl

Mon 2/9

4:20 pm-1:03 pm

1 stop25h 43m

$618

LihueBoston

LIH - BOS

LIHBOS

Lihue

Tue 2/3

10:25 am-5:39 pm

1 stop26h 14m

Boston Logan Intl

Thu 2/5

4:20 pm-1:45 pm

1 stop26h 25m

$662

LihueBoston

LIH - BOS

LIHBOS

Lihue

Thu 2/5

2:10 pm-10:52 am

2 stops15h 42m

Boston Logan Intl

Mon 2/9

5:45 am-5:04 pm

2 stops16h 19m

$703

LihueBoston

LIH - BOS

LIHBOS

Lihue

Tue 2/3

6:33 pm-4:20 pm

2 stops16h 47m

Boston Logan Intl

Thu 2/5

4:20 pm-1:45 pm

1 stop26h 25m

$708

LihueBoston

LIH - BOS

LIHBOS

Lihue

Mon 3/23

2:07 pm-11:41 am

3 stops39h 34m

$245

LihueBoston

LIH - BOS

LIHBOS

Lihue

Wed 3/18

1:15 pm-7:04 am

1 stop11h 49m

$260

LihueBoston

LIH - BOS

LIHBOS

Lihue

Fri 5/29

10:55 pm-5:04 pm

1 stop12h 09m

$287

LihueBoston

LIH - BOS

LIHBOS

Lihue

Mon 3/23

1:25 pm-8:13 am

1 stop12h 48m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 14 results
1
2

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
No data available for this route at this time. Please check back soon.

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 January 22, 2026.
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
11,775 reviews

Food

7.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,775 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Food

7.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,087 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Food

7.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,829 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Food

7.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,190 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Food

7.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 and Alaska Airlines fly from Kaua'i to Boston in about 13h. The time it takes to get you to your destination can typically vary by up to 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 United Airlines ($236), Alaska Airlines ($242), and Delta ($246).

  • 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
Seekonk
Brockton
Warwick
Seabrook
Cranston
Lincoln
Smithfield
Peabody
Quincy
York Beach
Londonderry
Swansea
Old Orchard Beach
Waltham
Lowell
Chelsea

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 January 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$254Average$692FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$302Average$605FlexibilityNo cancel feeOn-time69%
DeltaCheapest$351Average$635FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$488Average$662FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.