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Cheap flights from London Heathrow Airport to Kaua'i from £358

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LIH
31 Aug — 7 Sep1
1 adult

Cheap 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 26 August 2025.

Round-trip from

£885

One-way from

£358

Popular in

July

Cheapest in

February

Average price

£1,408
Scandinavian Airlines
  • Scandinavian Airlines
  • 8/9-11/9
  • 4 total stops
  • 52h 18m total
  • London to Kaua'i
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4/12
  • 4/12
  • 2 total stops
  • 37h 24m total
  • London to Kaua'i
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£110 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Heathrow to Kaua'i

Cheapest flights from Heathrow to Kaua'i
Explore the most affordable flight options available from Heathrow to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2025.

Mon 8/906:40LHR - LIH
2 stops23h 23mScandinavian Airlines
Thu 11/921:40LIH - LHR
2 stops28h 55mScandinavian Airlines
Deal found 24/8£885
Mon 6/1014:20LHR - LIH
1 stop32h 37mMultiple Airlines
Mon 27/1015:16LIH - LHR
2 stops35h 34mMultiple Airlines
Deal found 25/8£935
Fri 29/819:50LHR - LIH
2 stops51h 06mMultiple Airlines
Sun 14/922:30LIH - LHR
1 stop21h 20mMultiple Airlines
Deal found 24/8£1,060
Sun 26/1014:50LHR - LIH
2 stops31h 23mMultiple Airlines
Fri 31/1022:23LIH - LHR
1 stop22h 47mMultiple Airlines
Deal found 24/8£1,106
Mon 6/1006:30LHR - LIH
2 stops21h 23mVirgin Atlantic
Mon 27/1020:30LIH - LHR
2 stops27h 30mVirgin Atlantic
Deal found 25/8£1,153
Mon 8/916:20LHR - LIH
2 stops30h 36mMultiple Airlines
Thu 11/922:30LIH - LHR
1 stop21h 20mMultiple Airlines
Deal found 24/8£1,330
Fri 29/810:35LHR - LIH
1 stop20h 23mLufthansa
Sun 14/923:10LIH - LHR
1 stop24h 15mLufthansa
Deal found 24/8£1,465

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 26 August 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

Mon 8/9

06:40-19:03

2 stops23h 23m

Lihue

Thu 11/9

21:40-13:35

2 stops28h 55m

£885

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Mon 6/10

14:20-11:57

1 stop32h 37m

Lihue

Mon 27/10

15:16-12:50

2 stops35h 34m

£935

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Sun 26/10

14:50-12:13

2 stops31h 23m

Lihue

Fri 31/10

22:23-07:10

1 stop22h 47m

£1,106

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Mon 6/10

06:30-16:53

2 stops21h 23m

Lihue

Mon 27/10

20:30-10:00

2 stops27h 30m

£1,153

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Mon 8/9

16:20-11:56

2 stops30h 36m

Lihue

Thu 11/9

22:30-06:50

1 stop21h 20m

£1,330

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Tue 30/9

08:25-09:47

2 stops36h 22m

Lihue

Fri 3/10

13:11-10:25

1 stop34h 14m

£5,689

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Thu 4/12

09:55-13:19

2 stops37h 24m

£358

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Sat 6/12

14:50-13:49

2 stops56h 59m

£397

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Fri 5/12

14:50-13:49

2 stops56h 59m

£405

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Tue 2/12

14:50-18:24

3 stops37h 34m

£405

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Showing 1-10 of 14 results
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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 26 August 2025.

When flying from London Heathrow Airport to Kaua'i, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 £1,153, Scandinavian Airlines can have you in Kaua'i from London Heathrow Airport in 21h 23m. 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

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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?

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