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Cheap flights from Boston to Kailua-Kona from $225

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 9/25. 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 (BOS-KOA)

Cheap round-trip flights

Delta Logo
7:00 am - 6:00 pmBOS-KOA
16h 00m1 stop
Delta Logo
8:45 pm - 3:50 pmKOA-BOS
14h 05m1 stop
$449Delta
Find Deal
Wed, Jan 14 - Mon, Jan 26
Alaska Airlines Logo
8:23 pm - 3:51 pmBOS-KOA
25h 28m2 stops
Alaska Airlines Logo
10:27 am - 6:25 amKOA-BOS
13h 58m1 stop
$454Alaska Airlines
Find Deal
Thu, Sep 11 - Thu, Sep 18
American Airlines Logo
6:05 am - 3:44 pmBOS-KOA
14h 39m1 stop
American Airlines Logo
4:42 pm - 12:50 pmKOA-BOS
15h 08m2 stops
$455American Airlines
Find Deal
Mon, Nov 10 - Mon, Dec 8
American Airlines Logo
6:57 am - 7:27 pmBOS-KOA
17h 30m2 stops
American Airlines Logo
10:28 pm - 4:52 pmKOA-BOS
13h 24m2 stops
$460American Airlines
Find Deal
Mon, Jan 12 - Mon, Jan 26
Delta Logo
5:28 pm - 6:00 pmBOS-KOA
29h 32m1 stop
Delta Logo
8:45 pm - 3:50 pmKOA-BOS
14h 05m1 stop
$461Delta
Find Deal
Sat, Jan 10 - Sun, Jan 25
Delta Logo
5:28 pm - 6:00 pmBOS-KOA
29h 32m1 stop
Delta Logo
9:45 pm - 6:23 pmKOA-BOS
15h 38m2 stops
$467Delta
Find Deal
Sat, Jan 10 - Tue, Jan 27
Alaska Airlines Logo
8:00 am - 5:43 pmBOS-KOA
15h 43m1 stop
Alaska Airlines Logo
6:00 am - 6:25 amKOA-BOS
18h 25m2 stops
$468Alaska Airlines
Find Deal
Thu, Sep 11 - Thu, Sep 18
Delta Logo
6:00 am - 3:50 pmBOS-KOA
14h 50m1 stop
Delta Logo
9:45 pm - 4:20 pmKOA-BOS
13h 35m1 stop
$469Delta
Find Deal
Mon, Jan 12 - Wed, Jan 28
United Airlines Logo
6:00 am - 1:42 pmBOS-KOA
13h 42m1 stop
United Airlines Logo
8:55 pm - 4:20 pmKOA-BOS
14h 25m2 stops
$483United Airlines
Find Deal
Sat, Nov 1 - Fri, Nov 7
JetBlue Logo
9:00 am - 7:12 pmBOS-KOA
16h 12m1 stop
JetBlue Logo
8:13 am - 6:00 amKOA-BOS
15h 47m1 stop
$497JetBlue
Find Deal
Thu, Oct 16 - Wed, Oct 29

Alaska Airlines flights from Boston to Kailua-Kona

Our best Alaska Airlines deals on Boston to Kailua-Kona flight tickets
Alaska Airlines
Sep 11
BOS8:23 pmBoston Logan Intl
25h 28m
2 stops
KOA3:51 pmKona Intl
Sep 18
KOA10:27 amKona Intl
13h 58m
1 stop
BOS6:25 amBoston Logan Intl
$454
Find similar
Alaska Airlines
Sep 11
BOS8:00 amBoston Logan Intl
15h 43m
1 stop
KOA5:43 pmKona Intl
Sep 18
KOA6:00 amKona Intl
18h 25m
2 stops
BOS6:25 amBoston Logan Intl
$468
Find similar
Alaska Airlines
Nov 6
BOS8:00 amBoston Logan Intl
15h 25m
1 stop
KOA6:25 pmKona Intl
Nov 14
KOA9:00 pmKona Intl
13h 41m
2 stops
BOS3:41 pmBoston Logan Intl
$481
Find similar

American Airlines flights from Boston to Kailua-Kona

Our best American Airlines deals on Boston to Kailua-Kona flight tickets
American Airlines
Nov 10
BOS6:05 amBoston Logan Intl
14h 39m
1 stop
KOA3:44 pmKona Intl
Dec 8
KOA4:42 pmKona Intl
15h 08m
2 stops
BOS12:50 pmBoston Logan Intl
$455
Find similar
American Airlines
Jan 12
BOS6:57 amBoston Logan Intl
17h 30m
2 stops
KOA7:27 pmKona Intl
Jan 26
KOA10:28 pmKona Intl
13h 24m
2 stops
BOS4:52 pmBoston Logan Intl
$460
Find similar
American Airlines
Oct 31
BOS6:00 amBoston Logan Intl
14h 31m
1 stop
KOA2:31 pmKona Intl
Nov 8
KOA4:32 pmKona Intl
13h 34m
2 stops
BOS11:06 amBoston Logan Intl
$486
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 August 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 1/14

7:00 am-6:00 pm

1 stop16h 00m

Kona Intl

Mon 1/26

8:45 pm-3:50 pm

1 stop14h 05m

$449

BostonKailua-Kona

BOS - KOA

BOSKOA

Boston Logan Intl

Thu 9/11

8:23 pm-3:51 pm

2 stops25h 28m

Kona Intl

Thu 9/18

10:27 am-6:25 am

1 stop13h 58m

$454

BostonKailua-Kona

BOS - KOA

BOSKOA

Boston Logan Intl

Mon 11/10

6:05 am-3:44 pm

1 stop14h 39m

Kona Intl

Mon 12/8

4:42 pm-12:50 pm

2 stops15h 08m

$455

BostonKailua-Kona

BOS - KOA

BOSKOA

Boston Logan Intl

Mon 1/12

6:57 am-7:27 pm

2 stops17h 30m

Kona Intl

Mon 1/26

10:28 pm-4:52 pm

2 stops13h 24m

$460

BostonKailua-Kona

BOS - KOA

BOSKOA

Boston Logan Intl

Sat 1/10

5:28 pm-6:00 pm

1 stop29h 32m

Kona Intl

Sun 1/25

8:45 pm-3:50 pm

1 stop14h 05m

$461

BostonKailua-Kona

BOS - KOA

BOSKOA

Boston Logan Intl

Sat 1/10

5:28 pm-6:00 pm

1 stop29h 32m

Kona Intl

Tue 1/27

9:45 pm-6:23 pm

2 stops15h 38m

$467

BostonKailua-Kona

BOS - KOA

BOSKOA

Boston Logan Intl

Thu 9/11

8:00 am-5:43 pm

1 stop15h 43m

Kona Intl

Thu 9/18

6:00 am-6:25 am

2 stops18h 25m

$468

BostonKailua-Kona

BOS - KOA

BOSKOA

Boston Logan Intl

Mon 1/12

6:00 am-3:50 pm

1 stop14h 50m

Kona Intl

Wed 1/28

9:45 pm-4:20 pm

1 stop13h 35m

$469

BostonKailua-Kona

BOS - KOA

BOSKOA

Boston Logan Intl

Sat 11/1

6:00 am-1:42 pm

1 stop13h 42m

Kona Intl

Fri 11/7

8:55 pm-4:20 pm

2 stops14h 25m

$483

BostonKailua-Kona

BOS - KOA

BOSKOA

Boston Logan Intl

Thu 10/16

9:00 am-7:12 pm

1 stop16h 12m

Kona Intl

Wed 10/29

8:13 am-6:00 am

1 stop15h 47m

$497

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 September. Flight prices, which tend to average around $511, 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 $532.

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 $641 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 $527 on momondo.

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

You could potentially save up to 8% 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 August 2025, prices for Boston to Kailua-Kona flights are approximately 7% 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

Best Price Found

$225

Fastest flight time

13h 42m

Direct flights

None

Airports in Kailua-Kona

1 airport
The best one-way flight to Kailua-Kona from Boston in the past 72 hours is $225. The best round-trip flight deal from Boston to Kailua-Kona found on momondo in the last 72 hours is $449.
The fastest flight from Boston to Kailua-Kona takes 13h 42m
There are no direct flights from Boston to Kailua-Kona. Popular non-direct route for this connection is Boston Logan Intl Airport - Kona Intl Airport.
There is 1 airport near Kailua-Kona: Kona Intl (KOA)
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 42m.

  • 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
2,914 reviews
Search JetBlue flights
DeltaPriceFrom $329Free CancellationRating
8.0
7,980 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $387Free CancellationRating
7.8
2,656 reviews
Search Hawaiian Airlines flights
American AirlinesPriceFrom $407Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $417Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $423Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $531Free CancellationRating
8.0
4,244 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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