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Cheap flights from Boston to Kailua-Kona from $205

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Kailua-Kona departing on 12/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Boston to Kailua-Kona

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:30 pm - 6:54 pmBOS-KOA
30h 24m1 stop
Delta Logo
10:55 pm - 9:35 pmKOA-BOS
17h 40m1 stop
$407Delta
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Wed, Feb 4 - Tue, Feb 10
Delta Logo
5:30 pm - 6:54 pmBOS-KOA
30h 24m1 stop
Delta Logo
10:55 pm - 5:55 amKOA-BOS
26h 00m1 stop
$408Delta
Find Deal
Wed, Feb 4 - Mon, Feb 9
Delta Logo
1:45 pm - 6:54 pmBOS-KOA
34h 09m1 stop
Delta Logo
10:55 pm - 9:35 pmKOA-BOS
17h 40m1 stop
$409Delta
Find Deal
Sun, Feb 1 - Tue, Feb 10
Delta Logo
1:45 pm - 6:54 pmBOS-KOA
34h 09m1 stop
Delta Logo
10:55 pm - 5:55 amKOA-BOS
26h 00m1 stop
$410Delta
Find Deal
Sun, Feb 1 - Mon, Feb 9
Alaska Airlines Logo
5:20 pm - 12:31 pmBOS-KOA
24h 11m2 stops
Alaska Airlines Logo
12:02 pm - 5:44 pmKOA-BOS
24h 42m2 stops
$429Alaska Airlines
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Mon, Feb 2 - Mon, Feb 9
Alaska Airlines Logo
4:25 pm - 3:27 pmBOS-KOA
28h 02m1 stop
Alaska Airlines Logo
2:51 pm - 6:09 pmKOA-BOS
22h 18m1 stop
$437Alaska Airlines
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Mon, Feb 2 - Wed, Feb 11
United Airlines Logo
7:25 am - 4:41 pmBOS-KOA
14h 16m1 stop
United Airlines Logo
8:55 pm - 5:14 pmKOA-BOS
15h 19m2 stops
$442United Airlines
Find Deal
Mon, Jan 12 - Mon, Jan 19
United Airlines Logo
7:25 am - 4:18 pmBOS-KOA
13h 53m1 stop
United Airlines Logo
8:55 pm - 3:42 pmKOA-BOS
13h 47m1 stop
$473United Airlines
Find Deal
Mon, Nov 3 - Wed, Nov 12
American Airlines Logo
6:05 am - 4:47 pmBOS-KOA
15h 42m1 stop
American Airlines Logo
9:35 pm - 4:32 pmKOA-BOS
13h 57m2 stops
$475American Airlines
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Mon, Nov 3 - Wed, Nov 12
American Airlines Logo
6:00 am - 4:47 pmBOS-KOA
15h 47m2 stops
American Airlines Logo
9:35 pm - 4:32 pmKOA-BOS
13h 57m2 stops
$480American Airlines
Find Deal
Mon, Nov 3 - Wed, Nov 12

Delta flights from Boston to Kailua-Kona

Our best Delta deals on Boston to Kailua-Kona flight tickets
Delta
Feb 4
BOS5:30 pmBoston Logan Intl
30h 24m
1 stop
KOA6:54 pmKona Intl
Feb 10
KOA10:55 pmKona Intl
17h 40m
1 stop
BOS9:35 pmBoston Logan Intl
$407
Find similar
Delta
Feb 4
BOS5:30 pmBoston Logan Intl
30h 24m
1 stop
KOA6:54 pmKona Intl
Feb 9
KOA10:55 pmKona Intl
26h 00m
1 stop
BOS5:55 amBoston Logan Intl
$408
Find similar
Delta
Feb 1
BOS1:45 pmBoston Logan Intl
34h 09m
1 stop
KOA6:54 pmKona Intl
Feb 10
KOA10:55 pmKona Intl
17h 40m
1 stop
BOS9:35 pmBoston Logan Intl
$409
Find similar

Alaska Airlines flights from Boston to Kailua-Kona

Our best Alaska Airlines deals on Boston to Kailua-Kona flight tickets
Alaska Airlines
Feb 2
BOS5:20 pmBoston Logan Intl
24h 11m
2 stops
KOA12:31 pmKona Intl
Feb 9
KOA12:02 pmKona Intl
24h 42m
2 stops
BOS5:44 pmBoston Logan Intl
$429
Find similar
Alaska Airlines
Feb 2
BOS4:25 pmBoston Logan Intl
28h 02m
1 stop
KOA3:27 pmKona Intl
Feb 11
KOA2:51 pmKona Intl
22h 18m
1 stop
BOS6:09 pmBoston Logan Intl
$437
Find similar
Alaska Airlines
Feb 2
BOS5:20 pmBoston Logan Intl
24h 11m
2 stops
KOA12:31 pmKona Intl
Feb 9
KOA2:24 pmKona Intl
22h 20m
1 stop
BOS5:44 pmBoston Logan Intl
$441
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Kailua-Kona 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, momondo users made 832,500 searches. Data last updated October 14, 2025.
Use the filters below to find and compare flights from Boston to Kailua-Kona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonKailua-Kona

BOS - KOA

BOSKOA

Boston Logan Intl

Wed 2/4

5:30 pm-6:54 pm

1 stop30h 24m

Kona Intl

Tue 2/10

10:55 pm-9:35 pm

1 stop17h 40m

$407

BostonKailua-Kona

BOS - KOA

BOSKOA

Boston Logan Intl

Wed 2/4

5:30 pm-6:54 pm

1 stop30h 24m

Kona Intl

Mon 2/9

10:55 pm-5:55 am

1 stop26h 00m

$408

BostonKailua-Kona

BOS - KOA

BOSKOA

Boston Logan Intl

Sun 2/1

1:45 pm-6:54 pm

1 stop34h 09m

Kona Intl

Tue 2/10

10:55 pm-9:35 pm

1 stop17h 40m

$409

BostonKailua-Kona

BOS - KOA

BOSKOA

Boston Logan Intl

Sun 2/1

1:45 pm-6:54 pm

1 stop34h 09m

Kona Intl

Mon 2/9

10:55 pm-5:55 am

1 stop26h 00m

$410

BostonKailua-Kona

BOS - KOA

BOSKOA

Boston Logan Intl

Mon 2/2

5:20 pm-12:31 pm

2 stops24h 11m

Kona Intl

Mon 2/9

12:02 pm-5:44 pm

2 stops24h 42m

$429

BostonKailua-Kona

BOS - KOA

BOSKOA

Boston Logan Intl

Mon 2/2

4:25 pm-3:27 pm

1 stop28h 02m

Kona Intl

Wed 2/11

2:51 pm-6:09 pm

1 stop22h 18m

$437

BostonKailua-Kona

BOS - KOA

BOSKOA

Boston Logan Intl

Mon 1/12

7:25 am-4:41 pm

1 stop14h 16m

Kona Intl

Mon 1/19

8:55 pm-5:14 pm

2 stops15h 19m

$442

BostonKailua-Kona

BOS - KOA

BOSKOA

Boston Logan Intl

Mon 11/3

7:25 am-4:18 pm

1 stop13h 53m

Kona Intl

Wed 11/12

8:55 pm-3:42 pm

1 stop13h 47m

$473

BostonKailua-Kona

BOS - KOA

BOSKOA

Boston Logan Intl

Mon 11/3

6:05 am-4:47 pm

1 stop15h 42m

Kona Intl

Wed 11/12

9:35 pm-4:32 pm

2 stops13h 57m

$475

BostonKailua-Kona

BOS - KOA

BOSKOA

Boston Logan Intl

Mon 11/3

6:00 am-4:47 pm

2 stops15h 47m

Kona Intl

Wed 11/12

9:35 pm-4:32 pm

2 stops13h 57m

$480

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Kailua-Kona from

How to get the cheapest flight ticket from Boston to Kailua-Kona

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Kailua-Kona?

The cheapest month to fly to Kailua-Kona from Boston is in October. Flight prices, which tend to average around $530, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Kailua-Kona, with average flight prices from Boston averaging around $546.

What is the cheapest day to depart on your flight to Kailua-Kona?

The cheapest day to depart on your flight to Kailua-Kona is on a Tuesday when prices can be found for as low as $599. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Kailua-Kona on Friday is $771.

What is the cheapest time of day to depart on your flight to Kailua-Kona?

Flying to Kailua-Kona from Boston at noon is the least expensive time of day to depart. momondo users have found prices as low as $405 when looking at flights departing at noon. In contrast, the most expensive time of day to depart to Kailua-Kona is in the afternoon when prices are around $782.

How far in advance should I book a flight to Kailua-Kona?

You are more likely to see cheaper flights to Kailua-Kona from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Kailua-Kona for around $656 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kailua-Kona from Boston for as low as $530 on momondo.

Can stopping save me money on Boston to Kailua-Kona flights?

You could potentially save up to 2% on your flight if you consider stops on a Boston to Kailua-Kona flight.

How have Boston to Kailua-Kona flight prices changed over time?

As of October 2025, prices for Boston to Kailua-Kona flights are approximately 8% more expensive when compared to flights at the same time last year.

When to book flights from Boston to Kailua-Kona

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Kailua-Kona according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Kailua-Kona (BOS to KOA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Kailua-Kona

Direct flights

None
There are no direct flights from Boston to Kailua-Kona. There are no popular flight routes from Boston to Kailua-Kona.
Search flight deals

  • How far is Boston Logan Intl to Kona Intl by plane?

    Boston Logan Intl and Kona Intl are 5058.6 mi apart from one another. A reasonable flight in good conditions will take 13h 30m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Kona Intl Airport?

    Prices for flights from Boston Logan Intl Airport to Kona Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Kona Intl Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Kona Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Kona Intl Airport.

  • What documentation or ID do you need to fly to Kona Intl Airport?

    The necessary travel and health documents for your Kona Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Boston to Kailua-Kona?

Best airlines flying from Boston to Kailua-Kona

Compare and see reviews for airlines that fly from Boston to Kailua-Kona with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $248Free CancellationRating
7.2
2,905 reviews
Search JetBlue flights
DeltaPriceFrom $328Free CancellationRating
7.9
7,972 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $413Free CancellationRating
7.8
2,779 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $421Free CancellationRating
8.0
11,074 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $427Free CancellationRating
7.4
8,975 reviews
Search United Airlines flights
American AirlinesPriceFrom $437Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
SouthwestPriceFrom $531Free CancellationRating
8.0
4,235 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Kailua-Kona?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to Kailua-Kona. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Boston to Kailua-Kona with flexible booking policies on momondo?

Flights from Boston to Kailua-Kona with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Boston to Kailua-Kona?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Kailua-Kona from Boston.

I’m not ready to book a flight from Boston to Kailua-Kona right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Kailua-Kona from Boston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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