HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kaua'i

$436+ Cheap flights from Buffalo (BUF) to Kaua'i

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LIH
Dec 24 — Dec 311
Wed 12/24
Wed 12/31
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Buffalo to Kaua'i 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.

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 November 24, 2025.

This Delta deal was found by Cheapflights users on 11/23. 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 11/247:00 amBUF - LIH
2 stops16h 16mDelta
Fri 12/510:55 pmLIH - BUF
2 stops20h 04mDelta
Deal found 11/23$809
This Delta deal was found by Cheapflights users on 11/21. 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 12/87:00 amBUF - LIH
2 stops16h 33mDelta
Thu 12/1110:55 pmLIH - BUF
2 stops20h 21mDelta
Deal found 11/21$879
This Delta deal was found by Cheapflights users on 11/23. 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 12/87:00 amBUF - LIH
2 stops16h 33mDelta
Fri 12/1210:55 pmLIH - BUF
2 stops19h 03mDelta
Deal found 11/23$944
This United Airlines deal was found by Cheapflights users on 11/23. 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 11/247:30 pmBUF - LIH
3 stops26h 28mUnited Airlines
Fri 12/58:30 pmLIH - BUF
2 stops17h 34mUnited Airlines
Deal found 11/23$1,051
This American Airlines deal was found by Cheapflights users on 11/23. 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 12/226:29 pmBUF - LIH
2 stops24h 56mAmerican Airlines
Mon 1/510:45 pmLIH - BUF
2 stops17h 21mAmerican Airlines
Deal found 11/23$1,239
This United Airlines deal was found by Cheapflights users on 11/23. 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 12/237:48 pmBUF - LIH
2 stops26h 16mUnited Airlines
Mon 1/59:35 pmLIH - BUF
2 stops17h 54mUnited Airlines
Deal found 11/23$1,272
This United Airlines deal was found by Cheapflights users on 11/23. 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 12/246:30 amBUF - LIH
2 stops15h 34mUnited Airlines
Mon 1/59:35 pmLIH - BUF
2 stops17h 54mUnited Airlines
Deal found 11/23$1,290
This United Airlines deal was found by Cheapflights users on 11/23. 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 12/256:30 amBUF - LIH
2 stops16h 17mUnited Airlines
Mon 1/59:35 pmLIH - BUF
2 stops17h 54mUnited Airlines
Deal found 11/23$1,329
This American Airlines deal was found by Cheapflights users on 11/23. 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 12/285:20 pmBUF - LIH
2 stops27h 58mAmerican Airlines
Mon 1/510:45 pmLIH - BUF
2 stops17h 21mAmerican Airlines
Deal found 11/23$1,368
This American Airlines deal was found by Cheapflights users on 11/23. 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 12/226:29 pmBUF - LIH
2 stops24h 56mAmerican Airlines
Thu 1/19:45 pmLIH - BUF
2 stops33h 17mAmerican Airlines
Deal found 11/23$1,536
This American Airlines deal was found by Cheapflights users on 11/23. 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 12/226:29 pmBUF - LIH
2 stops24h 56mAmerican Airlines
Sun 1/49:45 pmLIH - BUF
2 stops13h 44mAmerican Airlines
Deal found 11/23$1,610
This Delta deal was found by Cheapflights users on 11/23. 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 12/286:00 amBUF - LIH
2 stops17h 47mDelta
Sun 1/49:20 pmLIH - BUF
2 stops16h 43mDelta
Deal found 11/23$1,625

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 November 24, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$436
(Delta)

Popular in

April

Cheapest in

May

Average price

$803
Provider with most accurate pricing for Buffalo-Lihue flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-Lihue flights.
Search Deals
From Buffalo to Kaua'i
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 24, 2025.
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

Mon 2/23

6:00 am-6:31 pm

2 stops17h 31m

Lihue

Thu 2/26

9:45 pm-4:59 pm

2 stops14h 14m

$436

BuffaloLihue

BUF - LIH

BUFLIH

Buffalo

Mon 2/23

8:25 am-5:04 pm

1 stop13h 39m

Lihue

Thu 2/26

8:40 pm-4:42 pm

2 stops15h 02m

$571

BuffaloLihue

BUF - LIH

BUFLIH

Buffalo

Mon 12/8

7:00 am-6:33 pm

2 stops16h 33m

Lihue

Thu 12/11

10:55 pm-12:16 am

2 stops20h 21m

$879

BuffaloLihue

BUF - LIH

BUFLIH

Buffalo

Mon 12/8

7:00 am-6:33 pm

2 stops16h 33m

Lihue

Fri 12/12

10:55 pm-10:58 pm

2 stops19h 03m

$944

BuffaloLihue

BUF - LIH

BUFLIH

Buffalo

Tue 12/23

7:48 pm-5:04 pm

2 stops26h 16m

Lihue

Mon 1/5

9:35 pm-8:29 pm

2 stops17h 54m

$1,272

BuffaloLihue

BUF - LIH

BUFLIH

Buffalo

Thu 12/25

6:30 am-5:47 pm

2 stops16h 17m

Lihue

Mon 1/5

9:35 pm-8:29 pm

2 stops17h 54m

$1,329

BuffaloLihue

BUF - LIH

BUFLIH

Buffalo

Sun 12/28

6:00 am-6:47 pm

2 stops17h 47m

Lihue

Sun 1/4

9:20 pm-7:03 pm

2 stops16h 43m

$1,625

BuffaloLihue

BUF - LIH

BUFLIH

Buffalo

Tue 12/23

6:29 pm-2:25 pm

2 stops24h 56m

Lihue

Thu 1/1

9:45 pm-12:02 pm

2 stops33h 17m

$1,665

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/22

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, January is the cheapest month in which you can book a flight from Buffalo to Kaua'i (average of $364). 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 November 24, 2025.
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
9,036 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,036 reviews
United Airlines
7.4
Good
9,036 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,046 reviews
United Airlines
7.4
Good
9,036 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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?

    Delta and United Airlines can get you from Buffalo to Kaua'i in just under 13h 39m. Your travel time can differ by up to 3h 52m. 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, January is the cheapest month in which you can book a flight from Buffalo to Kaua'i (average of $364). 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

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.

Alternative routes for Buffalo to Kaua'i

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Honolulu flights
Newark to Honolulu flights
LaGuardia to Honolulu flights
John F Kennedy Intl to Kahului flights
Newark to Kahului flights
LaGuardia to Kahului flights
John F Kennedy Intl to Kailua-Kona flights
Newark to Kailua-Kona flights
John F Kennedy Intl to Lihue flights
Newark to Lihue flights
LaGuardia to Kailua-Kona flights
LaGuardia to Lihue flights
Albany to Honolulu flights
Rochester to Honolulu flights
Buffalo to Honolulu flights
Syracuse to Honolulu flights
Buffalo to Kahului flights
Syracuse to Kahului flights
White Plains to Honolulu flights
Albany to Kahului flights
Buffalo to Kailua-Kona flights
Rochester to Kahului flights
John F Kennedy Intl to Hilo flights
Albany to Kailua-Kona flights
Newark to Hilo flights
Rochester to Kailua-Kona flights
Albany to Lihue flights
LaGuardia to Hilo flights
Buffalo to Lihue flights
Syracuse to Lihue flights
Ithaca to Honolulu flights
Islip to Honolulu flights
John F Kennedy Intl to Hoolehua flights
Rochester to Lihue flights
John F Kennedy Intl to Kapalua flights
Ithaca to Kahului flights
Ithaca to Kailua-Kona flights
Watertown to Honolulu flights
Elmira to Honolulu flights
Elmira to Kahului flights
Syracuse to Kailua-Kona flights
Syracuse to Hilo flights
Binghamton to Honolulu flights
John F Kennedy Intl to Waimea (Big Island) flights
Rochester to Hilo flights
Albany to Hilo flights

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 November 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$681Average$908FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$723Average$758FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.