$254+ Cheap flights from Kaua'i to Boston (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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
LIH — BOS
May 4 — May 111
Round-trip
1 adult, Economy
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Find cheap flights from Kaua'i to Boston with Cheapflights
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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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Cheapest flights from Kaua'i to BostonExplore the most affordable flight options available from Kaua'i to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2026.
Explore the most affordable flight options available from Kaua'i to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2026.
This Expedia deal was found by Cheapflights users on 4/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:24 am
LIH
- BOS
2 stops16h 07m
Multiple Airlines
Tue 10/205:45 pm
BOS
- LIH
2 stops26h 15m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$519
This Delta deal was found by Cheapflights users on 4/1. 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.
Tue 10/69:45 pm
LIH
- BOS
1 stop16h 38m
Delta
Tue 10/207:05 am
BOS
- LIH
1 stop18h 17m
Delta
Deal found 4/1![Delta logo]()
$536
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 5/271:17 pm
LIH
- BOS
1 stop12h 44m
United Airlines
Tue 6/26:00 am
BOS
- LIH
1 stop13h 16m
United Airlines
Deal found 4/1![United Airlines logo]()
$537
This Delta deal was found by Cheapflights users on 4/1. 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.
Thu 5/289:55 pm
LIH
- BOS
1 stop15h 54m
Delta
Wed 6/37:48 am
BOS
- LIH
1 stop17h 16m
Delta
Deal found 4/1![Delta logo]()
$544
This Delta deal was found by Cheapflights users on 4/1. 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.
Wed 5/279:55 pm
LIH
- BOS
2 stops16h 09m
Delta
Tue 6/25:40 am
BOS
- LIH
2 stops19h 24m
Delta
Deal found 4/1![Delta logo]()
$565
This Delta deal was found by Cheapflights users on 4/1. 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.
Tue 5/269:55 pm
LIH
- BOS
2 stops19h 34m
Delta
Mon 6/17:48 am
BOS
- LIH
1 stop17h 16m
Delta
Deal found 4/1![Delta logo]()
$592
This American Airlines deal was found by Cheapflights users on 3/30. 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 4/279:30 pm
LIH
- BOS
1 stop13h 10m
American Airlines
Mon 5/46:13 am
BOS
- LIH
1 stop15h 02m
American Airlines
Deal found 3/30![American Airlines logo]()
$596
This Delta deal was found by Cheapflights users on 3/30. 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 4/278:20 pm
LIH
- BOS
2 stops17h 15m
Delta
Mon 5/45:30 am
BOS
- LIH
2 stops18h 10m
Delta
Deal found 3/30![Delta logo]()
$597
Best flights from Kaua'i to BostonDiscover carefully curated flight deals from Kaua'i to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 4, 2026.
Discover carefully curated flight deals from Kaua'i to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 4, 2026.
This Delta deal was found by Cheapflights users on 4/1. 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.
Thu 5/289:55 pm
LIH
- BOS
1 stop15h 54m
Delta
Wed 6/37:48 am
BOS
- LIH
1 stop17h 16m
Delta
Deal found 4/1![Delta logo]()
$544
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 9/2910:42 am
LIH
- BOS
1 stop13h 07m
Alaska Airlines
Wed 9/3010:30 am
BOS
- LIH
1 stop15h 14m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$658
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 9/2910:42 am
LIH
- BOS
1 stop13h 07m
Multiple Airlines
Wed 9/3010:30 am
BOS
- LIH
2 stops17h 24m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$664
This United Airlines deal was found by Cheapflights users on 3/31. 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 6/11:17 pm
LIH
- BOS
1 stop12h 44m
United Airlines
Tue 6/96:00 am
BOS
- LIH
1 stop13h 16m
United Airlines
Deal found 3/31![United Airlines logo]()
$678
This Delta deal was found by Cheapflights users on 3/30. 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 4/278:20 pm
LIH
- BOS
2 stops17h 15m
Delta
Mon 5/45:30 am
BOS
- LIH
2 stops18h 10m
Delta
Deal found 3/30![Delta logo]()
$597
This Delta deal was found by Cheapflights users on 4/1. 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.
Tue 5/269:55 pm
LIH
- BOS
2 stops19h 34m
Delta
Mon 6/15:51 am
BOS
- LIH
2 stops17h 49m
Delta
Deal found 4/1![Delta logo]()
$597
This United Airlines deal was found by Cheapflights users on 3/31. 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 4/1512:55 pm
LIH
- BOS
1 stop12h 28m
United Airlines
Sun 4/197:09 am
BOS
- LIH
1 stop14h 38m
United Airlines
Deal found 3/31![United Airlines logo]()
$680
This United Airlines deal was found by Cheapflights users on 4/2. 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 9/227:35 pm
LIH
- BOS
1 stop12h 12m
United Airlines
Wed 9/236:11 pm
BOS
- LIH
1 stop23h 09m
United Airlines
Deal found 4/2![United Airlines logo]()
$721
This United Airlines deal was found by Cheapflights users on 3/31. 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 9/2912:50 pm
LIH
- BOS
1 stop13h 33m
United Airlines
Wed 9/301:50 pm
BOS
- LIH
1 stop35h 50m
United Airlines
Deal found 3/31![United Airlines logo]()
$721
Last-minute flights from Kaua'i to BostonDiscover last-minute flight deals from Kaua'i to Boston. Data last updated April 4, 2026 and is based on user searches.
Discover last-minute flight deals from Kaua'i to Boston. Data last updated April 4, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/30. 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 4/279:30 pm
LIH
- BOS
1 stop13h 10m
American Airlines
Mon 5/46:13 am
BOS
- LIH
1 stop15h 02m
American Airlines
Deal found 3/30![American Airlines logo]()
$596
This Delta deal was found by Cheapflights users on 3/30. 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 4/278:20 pm
LIH
- BOS
2 stops17h 15m
Delta
Mon 5/45:30 am
BOS
- LIH
2 stops18h 10m
Delta
Deal found 3/30![Delta logo]()
$597
This Delta deal was found by Cheapflights users on 4/1. 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.
Tue 5/269:55 pm
LIH
- BOS
2 stops19h 34m
Delta
Mon 6/17:48 am
BOS
- LIH
1 stop17h 16m
Delta
Deal found 4/1![Delta logo]()
$592
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 5/271:17 pm
LIH
- BOS
1 stop12h 44m
United Airlines
Tue 6/26:00 am
BOS
- LIH
1 stop13h 16m
United Airlines
Deal found 4/1![United Airlines logo]()
$537
This Delta deal was found by Cheapflights users on 4/1. 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.
Wed 5/279:55 pm
LIH
- BOS
2 stops16h 09m
Delta
Tue 6/25:40 am
BOS
- LIH
2 stops19h 24m
Delta
Deal found 4/1![Delta logo]()
$565
This Delta deal was found by Cheapflights users on 4/1. 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.
Thu 5/289:55 pm
LIH
- BOS
1 stop15h 54m
Delta
Wed 6/37:48 am
BOS
- LIH
1 stop17h 16m
Delta
Deal found 4/1![Delta logo]()
$544
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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.
Thu 5/2810:26 pm
LIH
- BOS
1 stop19h 33m
Alaska Airlines
Tue 6/24:48 pm
BOS
- LIH
1 stop34h 38m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$653
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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.
Thu 5/2810:26 pm
LIH
- BOS
1 stop19h 33m
Multiple Airlines
Tue 6/27:11 pm
BOS
- LIH
2 stops26h 04m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$671
One-way flights from Kaua'i to BostonSearch for one-way flight options from Kaua'i to Boston. Find affordable one-way fares based on user searches. Data last updated April 4, 2026.
Search for one-way flight options from Kaua'i to Boston. Find affordable one-way fares based on user searches. Data last updated April 4, 2026.
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Thu 4/309:30 pm
LIH
- BOS
1 stop13h 10m
American Airlines
Deal found 3/31![American Airlines logo]()
$254
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Thu 6/251:17 pm
LIH
- BOS
1 stop12h 44m
United Airlines
Deal found 4/1![United Airlines logo]()
$280
This Delta deal was found by Cheapflights users on 4/1. 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.
Tue 7/289:55 pm
LIH
- BOS
2 stops18h 52m
Delta
Deal found 4/1![Delta logo]()
$308
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Thu 7/309:40 pm
LIH
- BOS
1 stop19h 35m
American Airlines
Deal found 3/30![American Airlines logo]()
$312
This United Airlines deal was found by Cheapflights users on 4/3. 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 4/2612:55 pm
LIH
- BOS
2 stops14h 16m
United Airlines
Deal found 4/3![United Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 3/30. 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 7/2810:25 pm
LIH
- BOS
2 stops14h 55m
American Airlines
Deal found 3/30![American Airlines logo]()
$365
Find flight deals from Kaua'i to Boston
Keep the following information in mind while searching for Kaua'i to Boston flight deals. Data was last updated April 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $537 (United Airlines) |
One-way from | $254 (American Airlines) |
Popular in | July |
Cheapest in | November |
Average price | $659 |
Cheapflights Fare Finder
Customize your flight search to find flights from Kaua'i 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 April 4, 2026.
Use the filters below to find and compare flights from Kaua'i to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LihueBoston
LIH - BOS
LIHBOS
Lihue
Thu 5/28
9:55 pm-7:49 pm
1 stop15h 54m
Boston Logan Intl
Wed 6/3
7:48 am-7:04 pm
1 stop17h 16m
$544
LihueBoston
LIH - BOS
LIHBOS
Lihue
Mon 4/27
8:20 pm-7:35 pm
2 stops17h 15m
Boston Logan Intl
Mon 5/4
5:30 am-5:40 pm
2 stops18h 10m
$597
LihueBoston
LIH - BOS
LIHBOS
Lihue
Tue 5/26
9:55 pm-11:29 pm
2 stops19h 34m
Boston Logan Intl
Mon 6/1
5:51 am-5:40 pm
2 stops17h 49m
$597
LihueBoston
LIH - BOS
LIHBOS
Lihue
Tue 9/29
10:42 am-5:49 am
1 stop13h 07m
Boston Logan Intl
Wed 9/30
10:30 am-7:44 pm
1 stop15h 14m
$658
LihueBoston
LIH - BOS
LIHBOS
Lihue
Tue 9/29
10:42 am-5:49 am
1 stop13h 07m
Boston Logan Intl
Wed 9/30
10:30 am-9:54 pm
2 stops17h 24m
$664
Quickest round-trip
LihueBoston
LIH - BOS
LIHBOS
Lihue
Mon 6/1
1:17 pm-8:01 am
1 stop12h 44m
Boston Logan Intl
Tue 6/9
6:00 am-1:16 pm
1 stop13h 16m
$678
LihueBoston
LIH - BOS
LIHBOS
Lihue
Wed 4/15
12:55 pm-7:23 am
1 stop12h 28m
Boston Logan Intl
Sun 4/19
7:09 am-3:47 pm
1 stop14h 38m
$680
LihueBoston
LIH - BOS
LIHBOS
Lihue
Tue 9/22
7:35 pm-1:47 pm
1 stop12h 12m
Boston Logan Intl
Wed 9/23
6:11 pm-11:20 am
1 stop23h 09m
$721
LihueBoston
LIH - BOS
LIHBOS
Lihue
Tue 9/29
12:50 pm-8:23 am
1 stop13h 33m
Boston Logan Intl
Wed 9/30
1:50 pm-7:40 pm
1 stop35h 50m
$721
Cheapest one-way
LihueBoston
LIH - BOS
LIHBOS
Lihue
Fri 9/25
9:45 pm-8:30 pm
1 stop16h 45m
$287
Showing 1-10 of 17 resultsSorted by cheapest first
Best time to book a flight from Kaua'i to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Kaua'i with our price prediction graph.
LIH-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 Kaua'i to Boston
zzFUS-BOS
LIH-BOS
No data available for this route at this time. Please check back soon.
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 April 4, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Kaua'i to Boston have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Related info for your journey
Find useful and relevant information for your journey from Kaua'i 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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Concord
Hampton Beach
Watertown
Brockton
Seekonk
Seabrook
Cranston
Chelsea
Warwick
Peabody
Waltham
York Beach
Londonderry
Swansea
Old Orchard Beach
Lincoln
Quincy
Lowell
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Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 4, 2026.
Complete your trip
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Kaua'i and Boston flights
Browse other Kaua'i and Boston flight options. Last updated on April 4, 2026.
Popular flight searches
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Top 3 airlines flying from Kaua'i to Boston
Discover the top 3 airlines that operate flights from Kaua'i 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 April 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$424 | Average$635 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$517 | Average$686 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$574 | Average$824 | FlexibilityNo cancel fee | On-time75% |