Find flights
When to book
FAQs

Cheap flights from London Heathrow Airport to Kaua'i from £461

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LIH
9 Jan — 16 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Kaua'i

Enter your travel dates to find the best prices.

Best flights from Heathrow to Kaua'i
Discover carefully curated flight deals from Heathrow to Kaua'i that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 December 2025.

Fri 23/109:50LHR - LIH
2 stops35h 20mMultiple Airlines
Fri 30/114:50LIH - LHR
2 stops37h 35mMultiple Airlines
Deal found 9/12£955
Mon 12/115:20LHR - LIH
2 stops31h 34mUnited Airlines
Sun 25/120:30LIH - LHR
1 stop27h 10mUnited Airlines
Deal found 7/12£1,113
Mon 12/117:00LHR - LIH
2 stops32h 55mBritish Airways
Sun 25/122:10LIH - LHR
2 stops22h 50mBritish Airways
Deal found 7/12£1,113
Fri 23/113:45LHR - LIH
1 stop33h 09mLufthansa
Fri 30/114:10LIH - LHR
1 stop31h 15mLufthansa
Deal found 9/12£1,162
Mon 12/106:30LHR - LIH
2 stops23h 25mKLM
Sun 25/123:50LIH - LHR
2 stops28h 00mKLM
Deal found 7/12£1,448
Thu 29/110:25LHR - LIH
2 stops36h 29mUnited Airlines
Mon 2/220:30LIH - LHR
2 stops26h 40mUnited Airlines
Deal found 8/12£1,134
Mon 5/117:20LHR - LIH
2 stops36h 35mMultiple Airlines
Sat 10/123:50LIH - LHR
1 stop26h 10mMultiple Airlines
Deal found 8/12£1,282

Find flight deals from Heathrow to Kaua'i

Keep the following information in mind while searching for Heathrow to Kaua'i flight deals. Data was last updated 10 December 2025.

Round-trip from

£955

One-way from

£461
23/1-30/1
  • 23/1-30/1
  • 4 total stops
  • 72h 55m total
  • London to Kaua'i
Search Deals
15/4
  • 15/4
  • 2 total stops
  • 30h 33m total
  • London to Kaua'i
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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 858,174 searches. Data last updated 10 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Kaua'i that are best for you.

Fly from

Heathrow

Fly to

Kaua'i

Route

Depart

Return

Price

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Fri 23/1

09:50-11:10

2 stops35h 20m

Lihue

Fri 30/1

14:50-14:25

2 stops37h 35m

£955

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Mon 12/1

15:20-12:54

2 stops31h 34m

Lihue

Sun 25/1

20:30-09:40

1 stop27h 10m

£1,113

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Mon 12/1

17:00-15:55

2 stops32h 55m

Lihue

Sun 25/1

22:10-07:00

2 stops22h 50m

£1,113

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Thu 29/1

10:25-12:54

2 stops36h 29m

Lihue

Mon 2/2

20:30-09:10

2 stops26h 40m

£1,134

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Fri 23/1

13:45-12:54

1 stop33h 09m

Lihue

Fri 30/1

14:10-07:25

1 stop31h 15m

£1,162

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Mon 5/1

17:20-19:55

2 stops36h 35m

Lihue

Sat 10/1

23:50-12:00

1 stop26h 10m

£1,282

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Mon 12/1

06:30-19:55

2 stops23h 25m

Lihue

Sun 25/1

23:50-13:50

2 stops28h 00m

£1,448

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Wed 15/4

14:10-09:43

2 stops30h 33m

£461

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Wed 15/4

14:45-12:37

1 stop32h 52m

£755

Flights are sorted by cheapest return flights first.

Deals found on 7/12

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

Have a flexible travel schedule? Discover the best time to fly to Kaua'i from Heathrow with our price prediction graph.
Estimated return 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 London Heathrow Airport to Kaua'i

What is the cheapest time of day to fly from LHR to FUS?

Find hourly flight availability from Heathrow to Kaua'i. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 December 2025.

It’s optimal to fly from London Heathrow Airport to Kaua'i in the afternoon. By choosing this option you can save up to 44% on the cost of your flight, compared to a flight at midday.

Related info for your journey

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

  • How long is the flight from London Heathrow Airport to Kaua'i?

    For as low as £1,113, United Airlines can have you in Kaua'i from London Heathrow Airport in 31h 34m. The distance between London Heathrow Airport and Kaua'i is about 7198 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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.

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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Kaua'i?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Kaua'i from Heathrow today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Kaua'i?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Kaua'i from Heathrow.

Can Cheapflights find flights from Heathrow to Kaua'i with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Kaua'i flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to Kaua'i become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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.