$241+ Cheap flights from Kailua-Kona to Boston (KOA - 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — BOS
Apr 1 — Apr 81
1 adult, Economy
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Find cheap flights from Kailua-Kona 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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Kailua-Kona to Boston
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Cheapest flights from Kailua-Kona to BostonExplore the most affordable flight options available from Kailua-Kona to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 2, 2026.
Explore the most affordable flight options available from Kailua-Kona to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 2, 2026.
This United Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:01 pm
KOA
- BOS
2 stops14h 22m
United Airlines
Wed 8/199:35 am
BOS
- KOA
1 stop16h 00m
United Airlines
Deal found 3/2![United Airlines logo]()
$492
This American Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:22 pm
KOA
- BOS
1 stop12h 42m
American Airlines
Wed 4/227:00 pm
BOS
- KOA
1 stop22h 45m
American Airlines
Deal found 2/27![American Airlines logo]()
$501
This Delta deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:45 pm
KOA
- BOS
1 stop16h 45m
Delta
Wed 8/197:05 am
BOS
- KOA
1 stop16h 46m
Delta
Deal found 3/2![Delta logo]()
$513
This Delta deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:40 pm
KOA
- BOS
1 stop13h 04m
Delta
Thu 8/207:05 am
BOS
- KOA
1 stop16h 46m
Delta
Deal found 3/2![Delta logo]()
$544
This Delta deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:45 pm
KOA
- BOS
2 stops20h 12m
Delta
Tue 8/187:05 am
BOS
- KOA
1 stop16h 46m
Delta
Deal found 3/2![Delta logo]()
$550
This Delta deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:45 pm
KOA
- BOS
2 stops20h 12m
Delta
Wed 8/197:10 am
BOS
- KOA
2 stops17h 24m
Delta
Deal found 3/2![Delta logo]()
$555
This United Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1510:55 pm
KOA
- BOS
1 stop14h 49m
United Airlines
Wed 3/188:45 am
BOS
- KOA
2 stops17h 06m
United Airlines
Deal found 3/1![United Airlines logo]()
$561
Best flights from Kailua-Kona to BostonDiscover carefully curated flight deals from Kailua-Kona to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 2, 2026.
Discover carefully curated flight deals from Kailua-Kona to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 2, 2026.
This Delta deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:45 pm
KOA
- BOS
2 stops20h 12m
Delta
Wed 8/197:10 am
BOS
- KOA
2 stops17h 24m
Delta
Deal found 3/2![Delta logo]()
$555
This United Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1510:55 pm
KOA
- BOS
1 stop14h 49m
United Airlines
Wed 3/188:45 am
BOS
- KOA
2 stops17h 06m
United Airlines
Deal found 3/1![United Airlines logo]()
$561
This Southwest deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:25 pm
KOA
- BOS
2 stops15h 20m
Southwest
Fri 6/126:45 pm
BOS
- KOA
2 stops20h 50m
Southwest
Deal found 3/1![Southwest logo]()
$862
This Alaska Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/211:19 pm
KOA
- BOS
1 stop34h 34m
Alaska Airlines
Sat 3/286:10 pm
BOS
- KOA
1 stop34h 17m
Alaska Airlines
Deal found 2/28![Alaska Airlines logo]()
$1,043
This United Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:05 pm
KOA
- BOS
2 stops15h 10m
United Airlines
Wed 4/2210:05 am
BOS
- KOA
2 stops15h 37m
United Airlines
Deal found 2/27![United Airlines logo]()
$581
This Delta deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/307:40 pm
KOA
- BOS
2 stops14h 38m
Delta
Mon 4/67:30 am
BOS
- KOA
1 stop16h 17m
Delta
Deal found 3/2![Delta logo]()
$660
This United Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3012:02 pm
KOA
- BOS
1 stop12h 19m
United Airlines
Mon 4/67:09 am
BOS
- KOA
1 stop14h 21m
United Airlines
Deal found 3/1![United Airlines logo]()
$727
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:40 pm
KOA
- BOS
2 stops19h 40m
Delta
Fri 6/126:30 am
BOS
- KOA
1 stop18h 04m
Delta
Deal found 3/1![Delta logo]()
$768
Last-minute flights from Kailua-Kona to BostonDiscover last-minute flight deals from Kailua-Kona to Boston. Data last updated March 2, 2026 and is based on user searches.
Discover last-minute flight deals from Kailua-Kona to Boston. Data last updated March 2, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1510:55 pm
KOA
- BOS
1 stop14h 49m
United Airlines
Wed 3/187:00 am
BOS
- KOA
1 stop14h 34m
United Airlines
Deal found 3/1![United Airlines logo]()
$555
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/158:55 pm
KOA
- BOS
2 stops16h 51m
Delta
Wed 3/186:15 am
BOS
- KOA
2 stops18h 23m
Delta
Deal found 3/1![Delta logo]()
$636
This Alaska Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/302:50 pm
KOA
- BOS
2 stops27h 09m
Multiple Airlines
Mon 4/66:10 pm
BOS
- KOA
1 stop34h 17m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$550
This American Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:22 pm
KOA
- BOS
1 stop12h 42m
American Airlines
Wed 4/227:00 pm
BOS
- KOA
1 stop22h 45m
American Airlines
Deal found 2/27![American Airlines logo]()
$501
This United Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:05 pm
KOA
- BOS
1 stop12h 18m
United Airlines
Wed 4/2210:05 am
BOS
- KOA
2 stops15h 37m
United Airlines
Deal found 3/2![United Airlines logo]()
$576
One-way flights from Kailua-Kona to BostonSearch for one-way flight options from Kailua-Kona to Boston. Find affordable one-way fares based on user searches. Data last updated March 2, 2026.
Search for one-way flight options from Kailua-Kona to Boston. Find affordable one-way fares based on user searches. Data last updated March 2, 2026.
This American Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:10 pm
KOA
- BOS
2 stops14h 34m
American Airlines
Deal found 2/27![American Airlines logo]()
$241
This American Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/101:22 pm
KOA
- BOS
1 stop12h 42m
American Airlines
Deal found 2/28![American Airlines logo]()
$265
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/307:40 pm
KOA
- BOS
2 stops14h 38m
Delta
Deal found 3/1![Delta logo]()
$268
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/910:15 pm
KOA
- BOS
1 stop11h 59m
Delta
Deal found 3/1![Delta logo]()
$270
This American Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/81:22 pm
KOA
- BOS
2 stops16h 10m
American Airlines
Deal found 2/27![American Airlines logo]()
$271
This Delta deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:45 pm
KOA
- BOS
2 stops19h 32m
Delta
Deal found 2/28![Delta logo]()
$291
This Delta deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:45 pm
KOA
- BOS
2 stops20h 12m
Delta
Deal found 3/2![Delta logo]()
$296
This Southwest deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:00 am
KOA
- BOS
2 stops17h 20m
Southwest
Deal found 2/28![Southwest logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/88:00 am
KOA
- BOS
1 stop17h 12m
Alaska Airlines
Deal found 3/2![Alaska Airlines logo]()
$305
Find flight deals from Kailua-Kona to Boston
Discover tips and strategies to find the most affordable flight options for your journey from Kailua-Kona (KOA) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $501 (American Airlines) |
One-way from | $241 (American Airlines) |
Popular in | June |
Cheapest in | March |
Average price | $494 |
Cheapflights Fare Finder
Customize your flight search to find flights from Kailua-Kona to Boston 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, Cheapflights users made 2,558,603 searches. Data last updated March 2, 2026.
Use the filters below to find and compare flights from Kailua-Kona to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Kailua-KonaBoston
KOA - BOS
KOABOS
Kona Intl
Mon 8/10
9:45 pm-11:57 pm
2 stops20h 12m
Boston Logan Intl
Wed 8/19
7:10 am-6:34 pm
2 stops17h 24m
$555
Kailua-KonaBoston
KOA - BOS
KOABOS
Kona Intl
Sun 3/15
10:55 pm-7:44 pm
1 stop14h 49m
Boston Logan Intl
Wed 3/18
8:45 am-7:51 pm
2 stops17h 06m
$561
Kailua-KonaBoston
KOA - BOS
KOABOS
Kona Intl
Wed 4/15
1:05 pm-10:15 am
2 stops15h 10m
Boston Logan Intl
Wed 4/22
10:05 am-7:42 pm
2 stops15h 37m
$581
Kailua-KonaBoston
KOA - BOS
KOABOS
Kona Intl
Mon 3/30
7:40 pm-4:18 pm
2 stops14h 38m
Boston Logan Intl
Mon 4/6
7:30 am-5:47 pm
1 stop16h 17m
$660
Kailua-KonaBoston
KOA - BOS
KOABOS
Kona Intl
Mon 3/30
12:02 pm-6:21 am
1 stop12h 19m
Boston Logan Intl
Mon 4/6
7:09 am-3:30 pm
1 stop14h 21m
$727
Kailua-KonaBoston
KOA - BOS
KOABOS
Kona Intl
Mon 6/8
8:40 pm-10:20 pm
2 stops19h 40m
Boston Logan Intl
Fri 6/12
6:30 am-6:34 pm
1 stop18h 04m
$768
Kailua-KonaBoston
KOA - BOS
KOABOS
Kona Intl
Mon 6/8
8:25 pm-5:45 pm
2 stops15h 20m
Boston Logan Intl
Fri 6/12
6:45 pm-9:35 am
2 stops20h 50m
$862
Kailua-KonaBoston
KOA - BOS
KOABOS
Kona Intl
Sat 3/21
1:19 pm-5:53 am
1 stop34h 34m
Boston Logan Intl
Sat 3/28
6:10 pm-10:27 pm
1 stop34h 17m
$1,043
Kailua-KonaBoston
KOA - BOS
KOABOS
Kona Intl
Sun 3/15
10:55 pm-7:44 pm
1 stop14h 49m
$285
Kailua-KonaBoston
KOA - BOS
KOABOS
Kona Intl
Sat 5/23
10:00 am-9:20 am
2 stops17h 20m
$302
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Kailua-Kona to Boston
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kailua-Kona to Boston in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Kailua-Kona-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kailua-Kona-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kailua-Kona-Boston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Kailua-Kona-Boston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kailua-Kona-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Kailua-Kona to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Kailua-Kona with our price prediction graph.
KOA-BOS
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 Kailua-Kona to Boston
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 March 2, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from Kailua-Kona to Boston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Boarding
8.1
Entertainment
7.0
Overall
8.0
Comfort
7.8
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Boarding
8.1
Entertainment
7.0
Overall
8.0
Comfort
7.8
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Boarding
8.1
Entertainment
7.0
Overall
8.0
Comfort
7.8
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Boarding
8.1
Entertainment
7.0
Overall
8.0
Comfort
7.8
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Related info for your journey
Find useful and relevant information for your journey from Kailua-Kona to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsMedford
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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 March 2, 2026.
Complete your trip
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Kailua-Kona and Boston flights
Browse other Kailua-Kona and Boston flight options. Last updated on March 2, 2026.
Other flights from Kailua-Kona
Browse through other flights departing from Kailua-Kona. Flights are based on user searches made on Cheapflights and were last updated on March 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Kailua-Kona to Boston
Discover the top 3 airlines that operate flights from Kailua-Kona to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$264 | Average$656 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$453 | Average$749 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$468 | Average$708 | FlexibilityNo cancel fee | On-time75% |