$280+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — BOS
Sep 12 — Sep 191
Round-trip
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
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.Cheap flight deals from Kailua-Kona to Boston
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Best
Last-minute
One-way
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 August 13, 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 August 13, 2026.
This Delta deal was found by Cheapflights users on 8/13. 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 9/18:42 pm -
1 stop13h 28m
Sun 9/67:45 am -
1 stop15h 50m
Deal found 8/13![Delta logo]()
$576
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/11:08 pm -
1 stop12h 45m
Tue 9/811:34 am -
1 stop14h 01m
Deal found 8/11![United Airlines logo]()
$606
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 12/1910:52 pm -
1 stop20h 01m
Tue 1/57:00 am -
1 stop15h 33m
Deal found 8/10![American Airlines logo]()
$634
This Expedia deal was found by Cheapflights users on 8/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:40 pm -
2 stops20h 32m
Sat 9/57:59 pm -
2 stops23h 20m
Deal found 8/11![Multiple Airlines logo]()
$662
This Delta deal was found by Cheapflights users on 8/10. 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.
Sat 8/158:42 pm -
2 stops21h 15m
Sun 8/305:30 am -
2 stops18h 05m
Deal found 8/10![Delta logo]()
$671
This American Airlines deal was found by Cheapflights users on 8/12. 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.
Mon 9/289:45 pm -
1 stop13h 25m
Mon 10/126:00 am -
2 stops15h 17m
Deal found 8/12![American Airlines logo]()
$691
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 August 13, 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 August 13, 2026.
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Fri 8/2812:04 pm -
1 stop11h 58m
Tue 9/111:34 am -
1 stop14h 01m
Deal found 8/13![United Airlines logo]()
$576
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Thu 10/2910:59 pm -
1 stop11h 50m
Fri 11/277:15 am -
1 stop14h 24m
Deal found 8/10![United Airlines logo]()
$576
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/110:50 pm -
2 stops14h 29m
Sat 9/512:15 pm -
1 stop13h 50m
Deal found 8/11![United Airlines logo]()
$582
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/11:08 pm -
1 stop12h 45m
Tue 9/811:34 am -
1 stop14h 01m
Deal found 8/11![United Airlines logo]()
$606
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/910:50 pm -
1 stop12h 17m
Fri 9/117:45 am -
1 stop13h 58m
Deal found 8/11![United Airlines logo]()
$726
Last-minute flights from Kailua-Kona to BostonDiscover last-minute flight deals from Kailua-Kona to Boston. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from Kailua-Kona to Boston. Data last updated August 13, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/10. 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.
Sat 8/158:42 pm -
2 stops21h 15m
Sun 8/305:30 am -
2 stops18h 05m
Deal found 8/10![Delta logo]()
$671
This Delta deal was found by Cheapflights users on 8/13. 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 9/18:42 pm -
1 stop13h 28m
Sun 9/67:45 am -
1 stop15h 50m
Deal found 8/13![Delta logo]()
$576
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/11:08 pm -
1 stop12h 45m
Tue 9/811:34 am -
1 stop14h 01m
Deal found 8/11![United Airlines logo]()
$606
This Expedia deal was found by Cheapflights users on 8/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:40 pm -
2 stops20h 32m
Sat 9/57:59 pm -
2 stops23h 20m
Deal found 8/11![Multiple Airlines logo]()
$662
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/910:50 pm -
1 stop12h 17m
Fri 9/117:45 am -
1 stop13h 58m
Deal found 8/11![United Airlines logo]()
$726
This American Airlines deal was found by Cheapflights users on 8/12. 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.
Mon 9/289:45 pm -
1 stop13h 25m
Mon 10/126:00 am -
2 stops15h 17m
Deal found 8/12![American Airlines logo]()
$691
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 August 13, 2026.
Search for one-way flight options from Kailua-Kona to Boston. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
This Southwest deal was found by Cheapflights users on 8/12. 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.
Thu 11/59:30 pm -
2 stops15h 20m
Deal found 8/12![Southwest logo]()
$280
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Mon 9/289:45 pm -
1 stop13h 25m
Deal found 8/13![American Airlines logo]()
$288
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Fri 11/132:14 pm -
2 stops15h 05m
Deal found 8/13![United Airlines logo]()
$294
This United Airlines deal was found by Cheapflights users on 8/10. 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 9/18:00 pm -
1 stop11h 47m
Deal found 8/10![United Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Mon 10/53:33 pm -
1 stop19h 06m
Deal found 8/11![American Airlines logo]()
$346
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 10/1010:36 am -
1 stop12h 45m
Deal found 8/12![Alaska Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Sat 10/101:04 pm -
2 stops14h 40m
Deal found 8/12![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 8/12. 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 9/281:08 pm -
3 stops17h 35m
Deal found 8/12![United Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 8/10. 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 10/119:06 pm -
2 stops19h 49m
Deal found 8/10![Delta logo]()
$378
This Priceline deal was found by Cheapflights users on 8/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:41 am -
1 stop12h 31m
Deal found 8/11![Alaska Airlines logo]()
$390
This United Airlines deal was found by Cheapflights users on 8/12. 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 9/3010:55 pm -
1 stop35h 00m
Deal found 8/12![United Airlines logo]()
$431
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 August 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $576 (United Airlines) |
One-way from | $280 (Southwest) |
Popular in | May |
Cheapest in | February |
Average price | $777 |
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 August 13, 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
Cheapest round-trip
Quickest round-trip
Kailua-KonaBoston
KOA Kona Intl - BOS Boston Logan Intl
KOABOS
Kona Intl
Fri 8/28
12:04 pm-6:02 am
1 stop11h 58m
Boston Logan Intl
Tue 9/1
11:34 am-7:35 pm
1 stop14h 01m
$576
Kailua-KonaBoston
KOA Kona Intl - BOS Boston Logan Intl
KOABOS
Kona Intl
Thu 10/29
10:59 pm-4:49 pm
1 stop11h 50m
Boston Logan Intl
Fri 11/27
7:15 am-4:39 pm
1 stop14h 24m
$576
Kailua-KonaBoston
KOA Kona Intl - BOS Boston Logan Intl
KOABOS
Kona Intl
Tue 9/1
10:50 pm-7:19 pm
2 stops14h 29m
Boston Logan Intl
Sat 9/5
12:15 pm-8:05 pm
1 stop13h 50m
$582
Kailua-KonaBoston
KOA Kona Intl - BOS Boston Logan Intl
KOABOS
Kona Intl
Tue 9/1
1:08 pm-7:53 am
1 stop12h 45m
Boston Logan Intl
Tue 9/8
11:34 am-7:35 pm
1 stop14h 01m
$606
Kailua-KonaBoston
KOA Kona Intl - BOS Boston Logan Intl
KOABOS
Kona Intl
Wed 9/9
10:50 pm-5:07 pm
1 stop12h 17m
Boston Logan Intl
Fri 9/11
7:45 am-3:43 pm
1 stop13h 58m
$726
Cheapest one-way
Kailua-KonaBoston
KOA Kona Intl - BOS Boston Logan Intl
KOABOS
Kona Intl
Fri 11/13
8:25 pm-1:42 pm
1 stop12h 17m
$288
Quickest one-way
Kailua-KonaBoston
KOA Kona Intl - BOS Boston Logan Intl
KOABOS
Kona Intl
Tue 1/12
10:45 pm-3:54 pm
1 stop12h 09m
$288
Kailua-KonaBoston
KOA Kona Intl - BOS Boston Logan Intl
KOABOS
Kona Intl
Thu 10/22
1:08 pm-7:37 am
1 stop12h 29m
$288
Kailua-KonaBoston
KOA Kona Intl - BOS Boston Logan Intl
KOABOS
Kona Intl
Sun 10/11
9:06 pm-4:00 pm
1 stop12h 54m
$288
Kailua-KonaBoston
KOA Kona Intl - BOS Boston Logan Intl
KOABOS
Kona Intl
Mon 1/25
8:25 pm-3:54 pm
1 stop14h 29m
$288
Showing 1-10 of 12 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 August.
| 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 August 13, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican 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.
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
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 locationsWaltham
Randolph
Cambridge
Concord
Brockton
Seekonk
Cranston
Dedham
Warwick
Peabody
Auburn
Chelsea
York Beach
Londonderry
Swansea
Revere
Fitchburg
North Falmouth
Braintree
Sandwich
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.
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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 August 13, 2026.
Complete your trip
Complete your trip to Boston by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Kailua-Kona to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Kailua-Kona and Boston flights
Browse other Kailua-Kona and Boston flight options. Last updated on August 13, 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 August 13, 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 August 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$264 | Average$656 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$365 | Average$679 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$453 | Average$699 | FlexibilityNo cancel fee | On-time69% |