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

Airlines like Delta and Alaska Airlines fly from Kaua'i to Boston in about 12h 24m. The time it takes to get you to your destination can typically vary by up to 13h 50m. The distance between Kaua'i and Boston is about 5124 mi. This flight may include one or multiple stops.

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.

$243+ Flights from Kaua'i to Boston

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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 26, 2025.

Wed 12/2410:43 pmLIH - BOS

1 stop12h 40mDelta

Mon 12/297:40 amBOS - LIH

1 stop17h 14mDelta

Deal found 11/25

$674

Tue 12/239:20 pmLIH - BOS

1 stop29h 09mDelta

Mon 12/297:40 amBOS - LIH

1 stop17h 14mDelta

Deal found 11/25

$708

Wed 12/2410:43 pmLIH - BOS

2 stops17h 25mDelta

Tue 12/305:30 amBOS - LIH

2 stops20h 00mDelta

Deal found 11/25

$724

Tue 12/2310:43 pmLIH - BOS

2 stops17h 25mDelta

Tue 12/307:40 amBOS - LIH

1 stop17h 14mDelta

Deal found 11/25

$743

Thu 12/189:50 pmLIH - BOS

1 stop13h 10mDelta

Mon 12/297:40 amBOS - LIH

1 stop17h 14mDelta

Deal found 11/25

$823

Thu 12/182:15 pmLIH - BOS

2 stops20h 58mDelta

Tue 12/305:30 amBOS - LIH

2 stops20h 00mDelta

Deal found 11/25

$873

Fri 12/199:50 pmLIH - BOS

1 stop28h 39mDelta

Mon 12/297:40 amBOS - LIH

1 stop17h 14mDelta

Deal found 11/25

$885

Wed 12/249:20 pmLIH - BOS

1 stop13h 43mDelta

Sun 12/285:40 amBOS - LIH

2 stops19h 50mDelta

Deal found 11/25

$891

Mon 12/2211:58 amLIH - BOS

2 stops18h 14mDelta

Tue 12/305:30 amBOS - LIH

2 stops20h 00mDelta

Deal found 11/25

$911

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 November 26, 2025.

Mon 1/1210:45 pmLIH - BOS

1 stop12h 24mDelta

Mon 1/267:30 amBOS - LIH

1 stop16h 01mDelta

Deal found 11/26

$445

Tue 2/310:25 amLIH - BOS

1 stop26h 14mAlaska Airlines

Thu 2/54:20 pmBOS - LIH

1 stop26h 25mAlaska Airlines

Deal found 11/23

$528

Fri 1/910:45 pmLIH - BOS

1 stop12h 24mDelta

Fri 1/167:30 amBOS - LIH

1 stop15h 51mDelta

Deal found 11/25

$505

Wed 12/2410:43 pmLIH - BOS

2 stops15h 16mDelta

Tue 12/307:40 amBOS - LIH

1 stop17h 14mDelta

Deal found 11/25

$680

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

Thu 12/189:50 pmLIH - BOS

1 stop13h 10mDelta

Tue 12/307:40 amBOS - LIH

1 stop17h 14mDelta

Deal found 11/25

$823

Thu 12/182:15 pmLIH - BOS

2 stops20h 58mDelta

Mon 12/297:40 amBOS - LIH

1 stop17h 14mDelta

Deal found 11/25

$828

Fri 12/199:50 pmLIH - BOS

1 stop28h 39mDelta

Mon 12/297:40 amBOS - LIH

1 stop17h 14mDelta

Deal found 11/25

$885

Mon 12/2211:58 amLIH - BOS

2 stops18h 14mDelta

Tue 12/305:30 amBOS - LIH

2 stops20h 00mDelta

Deal found 11/25

$911

Tue 12/239:20 pmLIH - BOS

1 stop29h 09mDelta

Mon 12/297:40 amBOS - LIH

1 stop17h 14mDelta

Deal found 11/25

$708

Wed 12/2410:43 pmLIH - BOS

1 stop12h 40mDelta

Mon 12/297:40 amBOS - LIH

1 stop17h 14mDelta

Deal found 11/25

$674

Wed 12/2410:43 pmLIH - BOS

2 stops15h 16mDelta

Tue 12/307:40 amBOS - LIH

1 stop17h 14mDelta

Deal found 11/25

$680

Wed 12/249:20 pmLIH - BOS

1 stop13h 43mDelta

Sun 12/285:40 amBOS - LIH

2 stops19h 50mDelta

Deal found 11/25

$891

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 November 26, 2025.

Mon 1/1210:45 pmLIH - BOS

1 stop12h 24mDelta

Deal found 11/24

$243

Mon 2/233:09 pmLIH - BOS

3 stops27h 56mMultiple Airlines

Deal found 11/26

$265

Fri 2/1310:01 pmLIH - BOS

1 stop12h 50mAmerican Airlines

Deal found 11/24

$273

Sat 2/79:20 pmLIH - BOS

1 stop13h 49mDelta

Deal found 11/24

$309

Sat 2/710:10 pmLIH - BOS

1 stop20h 02mAmerican Airlines

Deal found 11/26

$331

Sat 2/79:00 pmLIH - BOS

2 stops21h 54mAlaska Airlines

Deal found 11/24

$333

Fri 2/133:09 pmLIH - BOS

3 stops28h 55mMultiple Airlines

Deal found 11/24

$344

Sat 12/69:50 pmLIH - BOS

1 stop13h 13mDelta

Deal found 11/24

$381

Cheap flight deals from Kaua'i to Boston

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$505 (Delta)
One-way from	$243 (Delta)
Popular in	July
Cheapest in	June
Average price	$517

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. 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

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

LihueBoston

LIH - BOS

LIHBOS

Lihue

Mon 1/12

10:45 pm-4:09 pm

1 stop12h 24m

Boston Logan Intl

Mon 1/26

7:30 am-6:31 pm

1 stop16h 01m

$445

LihueBoston

LIH - BOS

LIHBOS

Lihue

Fri 1/9

10:45 pm-4:09 pm

1 stop12h 24m

Boston Logan Intl

Fri 1/16

7:30 am-6:21 pm

1 stop15h 51m

$505

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

$528

LihueBoston

LIH - BOS

LIHBOS

Lihue

Wed 12/24

10:43 pm-6:59 pm

2 stops15h 16m

Boston Logan Intl

Tue 12/30

7:40 am-7:54 pm

1 stop17h 14m

$680

LihueBoston

LIH - BOS

LIHBOS

Lihue

Mon 1/12

10:45 pm-4:09 pm

1 stop12h 24m

$243

LihueBoston

LIH - BOS

LIHBOS

Lihue

Mon 2/23

10:01 pm-6:38 pm

2 stops15h 37m

$248

LihueBoston

LIH - BOS

LIHBOS

Lihue

Mon 2/23

3:09 pm-12:05 am

3 stops27h 56m

$265

LihueBoston

LIH - BOS

LIHBOS

Lihue

Fri 2/13

10:01 pm-3:51 pm

1 stop12h 50m

$273

LihueBoston

LIH - BOS

LIHBOS

Lihue

Sat 2/7

9:20 pm-4:09 pm

1 stop13h 49m

$309

LihueBoston

LIH - BOS

LIHBOS

Lihue

Sat 2/7

10:10 pm-11:12 pm

1 stop20h 02m

$331

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 11 results

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

11,354 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.

Alaska Airlines

8.0

Very good

11,354 reviews

Alaska Airlines

8.0

Very good

11,354 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.

Delta

7.9

Good

7,998 reviews

Alaska Airlines

8.0

Very good

11,354 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.

Hawaiian Airlines

7.8

Good

2,814 reviews

Alaska Airlines

8.0

Very good

11,354 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.

United Airlines

7.4

Good

9,046 reviews

Alaska Airlines

8.0

Very good

11,354 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.

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 Delta and Alaska Airlines fly from Kaua'i to Boston in about 12h 24m. The time it takes to get you to your destination can typically vary by up to 13h 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.

See more FAQs

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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$635	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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$243+ 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.

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

Find flight deals from Kaua'i to Boston

Cheapest flights from Kaua'i to BostonExplore 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 26, 2025.

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 26, 2025.

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 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 November 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?

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?

Browse thousands of different options on Cheapflights for your next trip

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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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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 26, 2025.