$264+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
LIH — BOS
May 10 — May 171
Round-trip
1 adult, Economy
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Find cheap flights from Kaua'i 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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Last-minute
One-way
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 10, 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 10, 2026.
This Delta deal was found by Cheapflights users on 4/9. 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 5/209:55 pm
LIH
- BOS
2 stops19h 34m
Delta
Wed 5/277:48 am
BOS
- LIH
1 stop17h 18m
Delta
Deal found 4/9![Delta logo]()
$542
This American Airlines deal was found by Cheapflights users on 4/8. 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 6/19:51 pm
LIH
- BOS
2 stops14h 11m
American Airlines
Tue 6/99:00 am
BOS
- LIH
2 stops17h 21m
American Airlines
Deal found 4/8![American Airlines logo]()
$597
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 9/2210:42 am
LIH
- BOS
1 stop13h 07m
Alaska Airlines
Wed 9/2310:30 am
BOS
- LIH
1 stop15h 14m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$673
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 9/2210:42 am
LIH
- BOS
1 stop13h 07m
Multiple Airlines
Wed 9/2310:30 am
BOS
- LIH
2 stops17h 27m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$679
This United Airlines deal was found by Cheapflights users on 4/6. 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 4/2112:40 pm
LIH
- BOS
1 stop13h 44m
United Airlines
Sat 4/259:15 am
BOS
- LIH
1 stop16h 22m
United Airlines
Deal found 4/6![United Airlines logo]()
$700
This Delta deal was found by Cheapflights users on 4/8. 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 5/129:55 pm
LIH
- BOS
2 stops18h 56m
Delta
Thu 5/217:48 am
BOS
- LIH
1 stop17h 18m
Delta
Deal found 4/8![Delta logo]()
$702
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 10, 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 10, 2026.
This Delta deal was found by Cheapflights users on 4/9. 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 5/209:55 pm
LIH
- BOS
2 stops19h 34m
Delta
Wed 5/275:40 am
BOS
- LIH
2 stops19h 26m
Delta
Deal found 4/9![Delta logo]()
$575
This American Airlines deal was found by Cheapflights users on 4/8. 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 6/19:51 pm
LIH
- BOS
2 stops14h 11m
American Airlines
Tue 6/99:00 am
BOS
- LIH
2 stops17h 21m
American Airlines
Deal found 4/8![American Airlines logo]()
$597
This Alaska Airlines deal was found by Cheapflights users on 4/5. 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 9/2210:42 am
LIH
- BOS
1 stop13h 07m
Alaska Airlines
Wed 9/2310:30 am
BOS
- LIH
1 stop15h 14m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$673
This Alaska Airlines deal was found by Cheapflights users on 4/5. 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 9/2210:42 am
LIH
- BOS
1 stop13h 07m
Multiple Airlines
Wed 9/2310:30 am
BOS
- LIH
2 stops17h 27m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$679
This United Airlines deal was found by Cheapflights users on 4/6. 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 4/2112:40 pm
LIH
- BOS
1 stop13h 44m
United Airlines
Sat 4/259:15 am
BOS
- LIH
1 stop16h 22m
United Airlines
Deal found 4/6![United Airlines logo]()
$700
This Delta deal was found by Cheapflights users on 4/8. 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 5/129:55 pm
LIH
- BOS
2 stops18h 56m
Delta
Thu 5/217:48 am
BOS
- LIH
1 stop17h 18m
Delta
Deal found 4/8![Delta logo]()
$702
This Delta deal was found by Cheapflights users on 4/9. 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 6/19:55 pm
LIH
- BOS
1 stop15h 52m
Delta
Tue 6/97:45 am
BOS
- LIH
1 stop17h 16m
Delta
Deal found 4/9![Delta logo]()
$704
Last-minute flights from Kaua'i to BostonDiscover last-minute flight deals from Kaua'i to Boston. Data last updated April 10, 2026 and is based on user searches.
Discover last-minute flight deals from Kaua'i to Boston. Data last updated April 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 4/6. 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 4/2112:40 pm
LIH
- BOS
1 stop13h 44m
United Airlines
Sat 4/259:15 am
BOS
- LIH
1 stop16h 22m
United Airlines
Deal found 4/6![United Airlines logo]()
$700
This Delta deal was found by Cheapflights users on 4/6. 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 4/218:20 pm
LIH
- BOS
2 stops17h 25m
Delta
Sat 4/255:50 am
BOS
- LIH
2 stops18h 50m
Delta
Deal found 4/6![Delta logo]()
$794
This American Airlines deal was found by Cheapflights users on 4/7. 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 4/222:12 pm
LIH
- BOS
2 stops14h 27m
American Airlines
Sun 4/266:00 am
BOS
- LIH
2 stops15h 15m
American Airlines
Deal found 4/7![American Airlines logo]()
$711
This Delta deal was found by Cheapflights users on 4/9. 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.
Fri 4/248:20 pm
LIH
- BOS
2 stops17h 13m
Delta
Tue 4/2810:55 am
BOS
- LIH
1 stop13h 45m
Delta
Deal found 4/9![Delta logo]()
$767
This United Airlines deal was found by Cheapflights users on 4/9. 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 4/2412:40 pm
LIH
- BOS
1 stop13h 44m
United Airlines
Tue 4/287:09 am
BOS
- LIH
1 stop14h 38m
United Airlines
Deal found 4/9![United Airlines logo]()
$804
This Delta deal was found by Cheapflights users on 4/8. 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 5/129:55 pm
LIH
- BOS
2 stops18h 56m
Delta
Thu 5/217:48 am
BOS
- LIH
1 stop17h 18m
Delta
Deal found 4/8![Delta logo]()
$702
This Delta deal was found by Cheapflights users on 4/9. 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 5/209:55 pm
LIH
- BOS
2 stops19h 34m
Delta
Wed 5/277:48 am
BOS
- LIH
1 stop17h 18m
Delta
Deal found 4/9![Delta logo]()
$542
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 10, 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 10, 2026.
This Delta deal was found by Cheapflights users on 4/7. 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 5/278:40 pm
LIH
- BOS
1 stop12h 40m
Delta
Deal found 4/7![Delta logo]()
$264
This American Airlines deal was found by Cheapflights users on 4/6. 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 4/6![American Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/53:45 pm
LIH
- BOS
2 stops31h 59m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 4/9. 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 4/9![Delta logo]()
$328
This United Airlines deal was found by Cheapflights users on 4/8. 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 5/271:01 pm
LIH
- BOS
1 stop13h 39m
United Airlines
Deal found 4/8![United Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 4/6. 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
1 stop15h 10m
American Airlines
Deal found 4/6![American Airlines logo]()
$332
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 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $542 (Delta) |
One-way from | $264 (Delta) |
Popular in | July |
Cheapest in | November |
Average price | $631 |
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 10, 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
Wed 5/20
9:55 pm-11:29 pm
2 stops19h 34m
Boston Logan Intl
Wed 5/27
5:40 am-7:06 pm
2 stops19h 26m
$575
LihueBoston
LIH - BOS
LIHBOS
Lihue
Mon 6/1
9:51 pm-6:02 pm
2 stops14h 11m
Boston Logan Intl
Tue 6/9
9:00 am-8:21 pm
2 stops17h 21m
$597
Quickest round-trip
LihueBoston
LIH - BOS
LIHBOS
Lihue
Tue 9/22
10:42 am-5:49 am
1 stop13h 07m
Boston Logan Intl
Wed 9/23
10:30 am-7:44 pm
1 stop15h 14m
$673
LihueBoston
LIH - BOS
LIHBOS
Lihue
Tue 9/22
10:42 am-5:49 am
1 stop13h 07m
Boston Logan Intl
Wed 9/23
10:30 am-9:57 pm
2 stops17h 27m
$679
LihueBoston
LIH - BOS
LIHBOS
Lihue
Tue 4/21
12:40 pm-8:24 am
1 stop13h 44m
Boston Logan Intl
Sat 4/25
9:15 am-7:37 pm
1 stop16h 22m
$700
LihueBoston
LIH - BOS
LIHBOS
Lihue
Tue 5/12
9:55 pm-10:51 pm
2 stops18h 56m
Boston Logan Intl
Thu 5/21
7:48 am-7:06 pm
1 stop17h 18m
$702
LihueBoston
LIH - BOS
LIHBOS
Lihue
Mon 6/1
9:55 pm-7:47 pm
1 stop15h 52m
Boston Logan Intl
Tue 6/9
7:45 am-7:01 pm
1 stop17h 16m
$704
Cheapest one-way
LihueBoston
LIH - BOS
LIHBOS
Lihue
Thu 5/28
9:55 pm-7:49 pm
1 stop15h 54m
$264
Quickest one-way
LihueBoston
LIH - BOS
LIHBOS
Lihue
Wed 5/27
8:40 pm-3:20 pm
1 stop12h 40m
$264
LihueBoston
LIH - BOS
LIHBOS
Lihue
Thu 4/30
9:30 pm-4:40 pm
1 stop13h 10m
$287
Showing 1-10 of 14 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 10, 2026.
See what other customers who have flown with Delta and United 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.
Comfort
7.9
Crew
8.5
Boarding
8.1
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Crew
8.5
Boarding
8.1
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Crew
8.5
Boarding
8.1
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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
Cambridge
Concord
Hampton Beach
Watertown
Brockton
Seekonk
Cranston
Chelsea
Seabrook
Warwick
Peabody
York Beach
Londonderry
Swansea
Old Orchard Beach
Lincoln
Quincy
Waltham
Lowell
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Alternative routes for Kaua'i to Boston
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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 April 10, 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 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Kaua'i to Boston
Discover the top 2 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 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$424 | Average$680 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$517 | Average$687 | FlexibilityNo cancel fee | On-time69% |