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$274+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
LIH — BOS
Apr 18 — Apr 251
Sat 4/18
Sat 4/25
1 adult, Economy
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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 March 19, 2026.

This Delta deal was found by Cheapflights users on 3/17. 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.
Wed 9/99:45 pm
LIH
-
BOS
1 stop12h 15m
Delta
Tue 9/157:05 am
BOS
-
LIH
1 stop18h 15m
Delta
Deal found 3/17$508
This Expedia deal was found by Cheapflights users on 3/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:24 am
LIH
-
BOS
2 stops16h 07m
Multiple Airlines
Tue 9/155:45 pm
BOS
-
LIH
2 stops26h 15m
Multiple Airlines
Deal found 3/17$519
This Delta deal was found by Cheapflights users on 3/15. 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 5/58:20 pm
LIH
-
BOS
2 stops17h 15m
Delta
Tue 5/125:51 am
BOS
-
LIH
2 stops17h 49m
Delta
Deal found 3/15$539
This American Airlines deal was found by Cheapflights users on 3/14. 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 8/189:41 pm
LIH
-
BOS
1 stop12h 50m
American Airlines
Sun 8/236:26 am
BOS
-
LIH
1 stop13h 30m
American Airlines
Deal found 3/14$596
This Expedia deal was found by Cheapflights users on 3/15. 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.
Tue 5/53:04 pm
LIH
-
BOS
1 stop19h 49m
Alaska Airlines
Tue 5/125:56 pm
BOS
-
LIH
1 stop23h 34m
Alaska Airlines
Deal found 3/15$598
This Delta deal was found by Cheapflights users on 3/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:55 pm
LIH
-
BOS
2 stops18h 56m
Delta
Wed 5/207:48 am
BOS
-
LIH
1 stop17h 18m
Delta
Deal found 3/16$602

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 March 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$508
(Delta)

One-way from

$274
(Expedia)

Popular in

July

Cheapest in

November

Average price

$750
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.
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. 8% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 19, 2026.
Use the filters below to find and compare flights from Kaua'i to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

LihueBoston

LIH - BOS

LIHBOS

Lihue

Wed 9/9

9:45 pm-4:00 pm

1 stop12h 15m

Boston Logan Intl

Tue 9/15

7:05 am-7:20 pm

1 stop18h 15m

$508

LihueBoston

LIH - BOS

LIHBOS

Lihue

Tue 5/5

8:20 pm-10:15 pm

2 stops19h 55m

Boston Logan Intl

Tue 5/12

10:55 am-5:40 pm

1 stop12h 45m

$554

LihueBoston

LIH - BOS

LIHBOS

Lihue

Tue 5/12

9:55 pm-10:51 pm

2 stops18h 56m

Boston Logan Intl

Wed 5/20

7:48 am-7:06 pm

1 stop17h 18m

$630

LihueBoston

LIH - BOS

LIHBOS

Lihue

Tue 6/2

9:55 pm-3:49 pm

1 stop11h 54m

Boston Logan Intl

Wed 6/10

5:40 am-7:20 pm

2 stops19h 40m

$661
Cheapest one-way

LihueBoston

LIH - BOS

LIHBOS

Lihue

Thu 4/16

12:55 pm-9:25 am

2 stops14h 30m

$280

LihueBoston

LIH - BOS

LIHBOS

Lihue

Mon 7/13

9:26 pm-3:44 pm

1 stop12h 18m

$284
Quickest one-way

LihueBoston

LIH - BOS

LIHBOS

Lihue

Tue 3/24

7:40 pm-1:42 pm

1 stop12h 02m

$309

LihueBoston

LIH - BOS

LIHBOS

Lihue

Wed 3/25

7:40 pm-1:42 pm

1 stop12h 02m

$309

LihueBoston

LIH - BOS

LIHBOS

Lihue

Wed 3/25

1:06 pm-4:40 pm

2 stops21h 34m

$315

LihueBoston

LIH - BOS

LIHBOS

Lihue

Tue 7/14

9:45 pm-11:32 pm

2 stops19h 47m

$318

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

Showing 1-10 of 13 resultsSorted by cheapest first
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 March 19, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andUnited 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
7.9
Good
12,072 reviews

Food

7.0

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
Alaska Airlines
7.9
Good
12,072 reviews
Alaska Airlines
7.9
Good
12,072 reviews

Food

7.0

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
Delta
7.9
Good
8,296 reviews
Alaska Airlines
7.9
Good
12,072 reviews

Food

7.0

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
United Airlines
7.4
Good
9,441 reviews
Alaska Airlines
7.9
Good
12,072 reviews

Food

7.0

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

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 fly from Kaua'i to Boston in about 12h 15m. The time it takes to get you to your destination can typically vary by up to . The distance between Kaua'i and Boston is about 5124 mi.

  • 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 ($242), United Airlines ($254), and Delta ($268).

  • 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
Medford
Cambridge
Concord
Hampton Beach
Watertown
Seekonk
Brockton
Seabrook
Cranston
Chelsea
Smithfield
Lincoln
Warwick
Peabody
Waltham
York Beach
Londonderry
Swansea
Old Orchard Beach
Quincy

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Alternative routes for Kaua'i to Boston

See prices for flight routes from nearby airports that may be better suited for you.
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Lihue to Boston flights

Top 3 airlines flying from Kaua'i to Boston

Discover the top 3 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 March 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$351Average$635FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$517Average$686FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$574Average$824FlexibilityNo cancel feeOn-time75%

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