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

Airlines like Alaska Airlines fly from Kaua'i to Boston in about 12h 52m. 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 Delta ($232), American Airlines ($232), and Alaska Airlines ($264).

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, American Airlines or Delta.

What is the cheapest time of day to fly from FUS to BOS?

When flying from Kaua'i to Boston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

Find Cheap Flights from Kaua'i to Boston

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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.

Find flight deals from Kaua'i to Boston

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$640 (Alaska Airlines)
One-way from	$284 (American Airlines)
Popular in	September
Cheapest in	November
Average price	$849

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. 15% potential increase in price ($136 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2026

Search Deals

Reviews of airlines servicing Boston

See what other customers who have flown with Delta,United Airlines, andAmerican 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.

Delta

7.8

Good

8,471 reviews

Reviews

1 / 20

6.0

Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Delta

7.8

Good

8,471 reviews

Delta

7.8

Good

8,471 reviews

Reviews

1 / 20

6.0

Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

United Airlines

7.4

Good

9,993 reviews

Delta

7.8

Good

8,471 reviews

Reviews

1 / 20

6.0

Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

American Airlines

7.1

Good

11,814 reviews

Delta

7.8

Good

8,471 reviews

Reviews

1 / 20

6.0

Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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 12h 52m. 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 Delta ($232), American Airlines ($232), and Alaska Airlines ($264).
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

Waltham

Randolph

Cambridge

Concord

Brockton

Seekonk

Hampton Beach

Cranston

Dedham

Warwick

Peabody

Auburn

York Beach

Chelsea

Londonderry

Swansea

Fitchburg

North Falmouth

Braintree

Sandwich

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Boston flight routes

Complete your trip

Flights by cabin class

Other flight options

Popular flights

Alternative routes for Kaua'i to Boston

Honolulu to Boston flights

Kahului to Boston flights

Kailua-Kona to Boston flights

Honolulu to Hartford flights

Lihue to Boston flights

Top 3 airlines flying from Kaua'i to Boston

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$424	Average$680	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$517	Average$687	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$528	Average$689	FlexibilityNo cancel fee	On-time71%

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.

Cheap flights from Kaua'i to Boston (BOS)

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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 July 16, 2026.

See what other customers who have flown with Delta,United Airlines, andAmerican 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

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?

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.

Alternative routes for Kaua'i to Boston

See prices for flight routes from nearby airports that may be better suited for you.

Other flights to Boston

Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 16, 2026.

Complete your trip

Complete your trip to Boston by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Kaua'i to Boston by cabin class

Find flights from Kaua'i to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Kaua'i and Boston flights

Browse other Kaua'i and Boston flight options. Last updated on July 16, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top 3 airlines flying from Kaua'i to Boston

100% Free

Book with Flexibility

Travel Smart