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

Airlines like Alaska Airlines fly from Kaua'i to Boston in about 26h 14m. 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 United Airlines ($231), Alaska Airlines ($242), and Delta ($246).

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What are the most popular airlines that fly from Kaua'i to Boston?

Before booking your flight from Kaua'i to Boston check out the most popular airlines for this route: United Airlines, Alaska Airlines or Delta.

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.

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.

$260+ Flights from Kaua'i to Boston

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Cheap flight deals from Kaua'i to Boston

Best flights from Kaua'i to Boston
Discover carefully curated flight deals from Kaua'i to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 26, 2025.

Thu 1/2910:25 amLIH - BOS

1 stop26h 14mAlaska Airlines

Mon 2/24:20 pmBOS - LIH

1 stop25h 43mAlaska Airlines

Deal found 12/23

$503

Thu 1/295:25 pmLIH - BOS

2 stops17h 55mMultiple Airlines

Mon 2/24:20 pmBOS - LIH

1 stop25h 43mMultiple Airlines

Deal found 12/23

$517

Thu 1/82:10 pmLIH - BOS

1 stop13h 00mUnited Airlines

Mon 1/127:25 amBOS - LIH

1 stop14h 39mUnited Airlines

Deal found 12/24

$718

Last-minute flights from Kaua'i to Boston
Discover last-minute flight deals from Kaua'i to Boston. Data last updated December 26, 2025 and is based on user searches.

Thu 1/82:10 pmLIH - BOS

1 stop13h 00mUnited Airlines

Mon 1/127:25 amBOS - LIH

1 stop14h 39mUnited Airlines

Deal found 12/24

$718

Thu 1/2910:25 amLIH - BOS

1 stop26h 14mAlaska Airlines

Mon 2/24:20 pmBOS - LIH

1 stop25h 43mAlaska Airlines

Deal found 12/25

$503

Thu 1/296:33 pmLIH - BOS

2 stops16h 47mMultiple Airlines

Mon 2/24:20 pmBOS - LIH

1 stop25h 43mMultiple Airlines

Deal found 12/24

$517

One-way flights from Kaua'i to Boston
Search for one-way flight options from Kaua'i to Boston. Find affordable one-way fares based on user searches. Data last updated December 26, 2025.

Wed 4/19:00 pmLIH - BOS

1 stop13h 30mAmerican Airlines

Deal found 12/25

$260

Tue 4/142:07 pmLIH - BOS

2 stops15h 19mAmerican Airlines

Deal found 12/24

$265

Sat 2/711:00 pmLIH - BOS

1 stop12h 21mAmerican Airlines

Deal found 12/24

$287

Fri 5/812:50 pmLIH - BOS

1 stop13h 33mUnited Airlines

Deal found 12/24

$290

Wed 4/18:19 pmLIH - BOS

1 stop13h 24mDelta

Deal found 12/26

$307

Tue 4/146:00 amLIH - BOS

3 stops19h 57mMultiple Airlines

Deal found 12/24

$318

Sat 2/71:55 pmLIH - BOS

2 stops17h 51mUnited Airlines

Deal found 12/24

$362

Wed 12/319:20 pmLIH - BOS

1 stop13h 43mDelta

Deal found 12/26

$366

Find flight deals from Kaua'i to Boston

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$503 (Alaska Airlines)
One-way from	$260 (American Airlines)
Popular in	July
Cheapest in	June
Average price	$686

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 ($24 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

LihueBoston

LIH - BOS

LIHBOS

Lihue

Thu 1/29

10:25 am-5:39 pm

1 stop26h 14m

Boston Logan Intl

Mon 2/2

4:20 pm-1:03 pm

1 stop25h 43m

$503

LihueBoston

LIH - BOS

LIHBOS

Lihue

Thu 1/29

5:25 pm-4:20 pm

2 stops17h 55m

Boston Logan Intl

Mon 2/2

4:20 pm-1:03 pm

1 stop25h 43m

$517

LihueBoston

LIH - BOS

LIHBOS

Lihue

Thu 1/8

2:10 pm-8:10 am

1 stop13h 00m

Boston Logan Intl

Mon 1/12

7:25 am-5:04 pm

1 stop14h 39m

$718

LihueBoston

LIH - BOS

LIHBOS

Lihue

Wed 4/1

9:00 pm-4:30 pm

1 stop13h 30m

$260

LihueBoston

LIH - BOS

LIHBOS

Lihue

Tue 4/14

8:25 pm-3:42 pm

1 stop13h 17m

$260

LihueBoston

LIH - BOS

LIHBOS

Lihue

Tue 4/14

2:07 pm-11:26 am

2 stops15h 19m

$265

LihueBoston

LIH - BOS

LIHBOS

Lihue

Sat 2/7

11:00 pm-4:21 pm

1 stop12h 21m

$287

LihueBoston

LIH - BOS

LIHBOS

Lihue

Fri 5/8

12:50 pm-8:23 am

1 stop13h 33m

$290

LihueBoston

LIH - BOS

LIHBOS

Lihue

Wed 4/1

8:19 pm-3:43 pm

1 stop13h 24m

$307

LihueBoston

LIH - BOS

LIHBOS

Lihue

Tue 4/14

6:00 am-7:57 am

3 stops19h 57m

$318

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

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?

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

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

11,541 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

Alaska Airlines

8.0

Very good

11,541 reviews

Alaska Airlines

8.0

Very good

11,541 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

Delta

7.9

Good

8,016 reviews

Alaska Airlines

8.0

Very good

11,541 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

Hawaiian Airlines

7.8

Good

2,820 reviews

Alaska Airlines

8.0

Very good

11,541 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

United Airlines

7.4

Good

9,116 reviews

Alaska Airlines

8.0

Very good

11,541 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

Related info for your journey

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 fly from Kaua'i to Boston in about 26h 14m. 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 United Airlines ($231), 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.

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Top 4 airlines flying from Kaua'i to Boston

Airline	Cheapest	Average	Flexibility	On-time
Hawaiian Airlines	Cheapest$269	Average$721	FlexibilityNo cancel fee	On-time85%
Delta	Cheapest$351	Average$590	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$488	Average$662	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$517	Average$605	FlexibilityNo cancel fee	On-time69%

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$260+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kaua'i to Boston with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Kaua'i to Boston

Best flights from Kaua'i to BostonDiscover carefully curated flight deals from Kaua'i to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 26, 2025.

Discover carefully curated flight deals from Kaua'i to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 26, 2025.

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 December 26, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kaua'i to Boston that are best for you.

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.

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 December 26, 2025.

Reviews of airlines servicing Boston

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.

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?

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

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

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

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

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

Traveling to a place near Boston?

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Alternative routes for Kaua'i to Boston

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Top 4 airlines flying from Kaua'i to Boston

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Best flights from Kaua'i to Boston
Discover carefully curated flight deals from Kaua'i to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 26, 2025.