Cheap flights from Boston (BOS) to Kaua'i from $250

To save on the cost of your flight from Boston to Kaua'i, book at least 35 days before your planned departure. Booking around this time can save you about 11% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $730 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $821.

January is one of the best times of the year to fly to Kaua'i from Boston. Prices for January average $773 per person but you can even find prices for as low as $453. The most expensive prices can be found in the month of July. Opting for a January flight can save you 46% on your journey compared to booking in July

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

If you book a flight to Kaua'i from Boston, you will be flying from Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston.

Some of the carriers operating flights from Boston Logan Intl to Kaua'i that may be offering flexible cancellation policies are American Airlines, Hawaiian Airlines, and United Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Yes, there are multiple flights from Boston to Kaua'i for under $500. The cheapest flight booked recently is on Hawaiian Airlines for just $441, but on average you can expect to pay $514.

One-way options have recently been found by users for as low as $250 on Delta. Other airlines that offer cheap prices include American Airlines from $276 and United Airlines from $459 one-way.

When booking a flight from Boston to Kaua'i, you may want to consider flying on American Airlines, Alaska Airlines or Delta as they are the most popular for this route.

On average you can expect to pay $1,731 for a flight from Boston to Kaua'i. The cheapest flight overall is $217 while the most popular route, (Boston Logan Intl - Lihue) is currently priced at $441.

Great question - BOS to LIH just means Boston Logan Intl Airport to Lihue Airport. Now you’ll know what these unique codes when you look for flights!