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Kaua'i

$255+ Cheap flights from Buffalo (BUF) to Kaua'i

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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LIH
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap flight deals from Buffalo to Kaua'i

Keep the following information in mind while searching for Buffalo to Kaua'i flight deals. Data was last updated January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$563
(American Airlines)

One-way from

$255
(Kiwi.com)

Popular in

April

Cheapest in

July

Average price

$851
Provider with most accurate pricing for Buffalo-Lihue flight deals.
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Provider most trusted by Cheapflights users for Buffalo-Lihue flights.
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From Buffalo to Kaua'i
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One-way flight from Buffalo to Kaua'i
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Highest demand for flights based on searches. 14% potential increase in price ($152 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Buffalo to Kaua'i

Cheapest flights from Buffalo to Kaua'i
Explore the most affordable flight options available from Buffalo to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This American Airlines deal was found by Cheapflights users on 1/7. 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.
Thu 1/225:12 amBUF - LIH
2 stops16h 25mAmerican Airlines
Mon 1/2610:10 pmLIH - BUF
2 stops13h 25mAmerican Airlines
Deal found 1/7$563
This Southwest deal was found by Cheapflights users on 1/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:40 amBUF - LIH
2 stops15h 30mSouthwest
Tue 5/198:10 pmLIH - BUF
2 stops16h 05mSouthwest
Deal found 1/7$575
This United Airlines deal was found by Cheapflights users on 1/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:25 amBUF - LIH
1 stop13h 39mUnited Airlines
Thu 2/268:40 pmLIH - BUF
1 stop21h 19mUnited Airlines
Deal found 1/7$623
This American Airlines deal was found by Cheapflights users on 1/6. 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 2/176:00 amBUF - LIH
2 stops16h 14mAmerican Airlines
Sun 2/2210:30 pmLIH - BUF
2 stops19h 11mAmerican Airlines
Deal found 1/6$638
This American Airlines deal was found by Cheapflights users on 1/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/215:12 amBUF - LIH
2 stops16h 25mAmerican Airlines
Sun 1/2510:10 pmLIH - BUF
2 stops13h 25mAmerican Airlines
Deal found 1/5$679
This United Airlines deal was found by Cheapflights users on 1/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:30 amBUF - LIH
1 stop13h 17mUnited Airlines
Tue 5/1912:50 pmLIH - BUF
2 stops14h 57mUnited Airlines
Deal found 1/7$736
This United Airlines deal was found by Cheapflights users on 1/6. 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 2/178:25 amBUF - LIH
2 stops33h 45mUnited Airlines
Sun 2/228:40 pmLIH - BUF
1 stop21h 19mUnited Airlines
Deal found 1/6$842
This United Airlines deal was found by Cheapflights users on 1/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/226:00 amBUF - LIH
2 stops17h 03mUnited Airlines
Mon 1/266:33 pmLIH - BUF
3 stops20h 56mUnited Airlines
Deal found 1/7$957
This United Airlines deal was found by Cheapflights users on 1/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2110:45 amBUF - LIH
2 stops31h 09mUnited Airlines
Sun 1/257:49 pmLIH - BUF
3 stops19h 40mUnited Airlines
Deal found 1/5$1,011

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Kaua'i 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 January 8, 2026.
Use the filters below to find and compare flights from Buffalo to Kaua'i that are best for you.

Fly from

Buffalo

Fly to

Kaua'i

Route

Depart

Return

Price

BuffaloLihue

BUF - LIH

BUFLIH

Buffalo

Thu 1/22

5:12 am-4:37 pm

2 stops16h 25m

Lihue

Mon 1/26

10:10 pm-4:35 pm

2 stops13h 25m

$563

BuffaloLihue

BUF - LIH

BUFLIH

Buffalo

Tue 2/24

8:25 am-5:04 pm

1 stop13h 39m

Lihue

Thu 2/26

8:40 pm-10:59 pm

1 stop21h 19m

$623

BuffaloLihue

BUF - LIH

BUFLIH

Buffalo

Tue 2/17

6:00 am-5:14 pm

2 stops16h 14m

Lihue

Sun 2/22

10:30 pm-10:41 pm

2 stops19h 11m

$638

BuffaloLihue

BUF - LIH

BUFLIH

Buffalo

Wed 1/21

5:12 am-4:37 pm

2 stops16h 25m

Lihue

Sun 1/25

10:10 pm-4:35 pm

2 stops13h 25m

$679

BuffaloLihue

BUF - LIH

BUFLIH

Buffalo

Sat 2/21

12:20 pm-1:03 pm

3 stops53h 43m

$255

BuffaloLihue

BUF - LIH

BUFLIH

Buffalo

Sat 2/14

7:41 pm-7:49 pm

2 stops29h 08m

$499

BuffaloLihue

BUF - LIH

BUFLIH

Buffalo

Sat 2/21

8:25 am-5:04 pm

1 stop13h 39m

$602

BuffaloLihue

BUF - LIH

BUFLIH

Buffalo

Fri 2/13

8:25 am-5:04 pm

1 stop13h 39m

$682

BuffaloLihue

BUF - LIH

BUFLIH

Buffalo

Sat 2/14

8:25 am-8:54 pm

1 stop17h 29m

$795

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Best time to book a flight from Buffalo to Kaua'i

Have a flexible travel schedule? Discover the best time to fly to Kaua'i from Buffalo with our price prediction graph.
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 Buffalo to Kaua'i

What is the cheapest month to book a flight from Buffalo to Kaua'i?

Currently, May is the cheapest month in which you can book a flight from Buffalo to Kaua'i (average of $412). Flying from Buffalo to Kaua'i in June is currently the most expensive (average of $6,707). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Kaua'i

Get insights into the airlines that provide service to Kaua'i. 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 Kaua'i. Reviews last updated January 8, 2026.
Read through reviews of airlines operating flights from Buffalo to Kaua'i, such as United Airlines and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,139 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,139 reviews
United Airlines
7.4
Good
9,139 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
American Airlines
7.2
Good
11,095 reviews
United Airlines
7.4
Good
9,139 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Kaua'i. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Buffalo to Kaua'i?

    Most people fly from Buffalo (BUF) if they book a flight from Buffalo to Kaua'i. Buffalo is conveniently located just 8.3 mi from Buffalo’s city center.

  • How long is the flight from Buffalo to Kaua'i?

    American Airlines and United Airlines can get you from Buffalo to Kaua'i in just under 13h 39m. Your travel time can differ by up to 2h 46m. Airlines will cover a distance of 4733 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Buffalo to Kaua'i that include hotel bookings?

    Yes. In addition to deals on Buffalo to Kaua'i flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Kaua'i?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Kaua'i.

  • Can I find deals for business class flights from Buffalo to Kaua'i?

    Yes. Cheapflights offers flight deals from Buffalo to Kaua'i by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Buffalo to Kaua'i?

    Currently, May is the cheapest month in which you can book a flight from Buffalo to Kaua'i (average of $412). Flying from Buffalo to Kaua'i in June is currently the most expensive (average of $6,707). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from Buffalo to Kaua'i

Discover the top 2 airlines that operate flights from Buffalo to Kaua'i. 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$681Average$908FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$723Average$843FlexibilityNo cancel feeOn-time71%

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