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Cheap flights from London Heathrow Airport to Kaua'i from £688

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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LIH
5 Jun — 12 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Kaua'i

Enter your travel dates to find the best prices.

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 6 May 2026.

Mon 1/621:25
LHR
-
LIH
2 stops35h 01m
Multiple Airlines
Mon 8/612:30
LIH
-
LHR
2 stops20h 50m
Multiple Airlines
Deal found 2/5£999
Fri 12/621:25
LHR
-
LIH
2 stops59h 00m
Multiple Airlines
Sun 21/622:28
LIH
-
LHR
2 stops34h 52m
Multiple Airlines
Deal found 5/5£1,092
Mon 1/617:00
LHR
-
LIH
1 stop39h 26m
Alaska Airlines
Mon 8/622:26
LIH
-
LHR
1 stop29h 39m
Alaska Airlines
Deal found 2/5£1,095
Tue 16/621:25
LHR
-
LIH
2 stops35h 00m
Multiple Airlines
Tue 23/612:31
LIH
-
LHR
2 stops20h 49m
Multiple Airlines
Deal found 2/5£1,187
Wed 9/916:15
LHR
-
LIH
2 stops30h 31m
United Airlines
Sun 13/922:55
LIH
-
LHR
1 stop25h 15m
United Airlines
Deal found 4/5£1,206
Fri 12/621:25
LHR
-
LIH
2 stops59h 00m
Multiple Airlines
Sat 20/612:31
LIH
-
LHR
2 stops36h 24m
Multiple Airlines
Deal found 5/5£1,215
Fri 12/610:35
LHR
-
LIH
1 stop20h 07m
Lufthansa
Sun 21/622:44
LIH
-
LHR
1 stop25h 26m
Lufthansa
Deal found 4/5£1,237
Sat 7/1110:05
LHR
-
LIH
1 stop22h 17m
United Airlines
Wed 11/1120:30
LIH
-
LHR
2 stops28h 35m
United Airlines
Deal found 1/5£1,241

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 6 May 2026.

Round-trip from

£999

One-way from

£688

Popular in

January

Cheapest in

April

Average price

£1,187
1/6-8/6
  • 1/6-8/6
  • 4 total stops
  • 55h 51m total
  • London to Kaua'i
Search Deals
6/6
  • 6/6
  • 2 total stops
  • 55h 52m total
  • London to Kaua'i
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£296 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£37 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
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 6 May 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Kaua'i that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Tue 16/6

21:25-21:25

2 stops35h 00m

Lihue

Tue 23/6

12:31-20:20

2 stops20h 49m

£1,187

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Wed 9/9

18:00-15:40

2 stops32h 40m

Lihue

Sun 13/9

13:01-05:55

2 stops29h 54m

£1,209

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Wed 9/9

17:00-19:44

1 stop37h 44m

Lihue

Sun 13/9

21:35-15:05

1 stop30h 30m

£1,288
Fastest return journey

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Tue 16/6

10:35-19:42

1 stop20h 07m

Lihue

Tue 23/6

22:44-07:25

1 stop21h 41m

£1,311

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Fri 12/6

10:35-19:42

1 stop20h 07m

Lihue

Sun 21/6

19:35-09:40

1 stop27h 05m

£1,357

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Mon 27/7

17:00-11:51

2 stops29h 51m

Lihue

Sun 9/8

22:28-15:05

1 stop29h 37m

£1,390
Cheapest one-way
Fastest single journey

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Sat 6/6

14:10-11:02

2 stops55h 52m

£688

Flights are sorted by cheapest return flights first.

Deals found on 2/5

Sorted by cheapest first

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
No data available for this route at this time. Please check back soon.

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 £1,209, United Airlines can have you in Kaua'i from London Heathrow Airport in 32h 40m. 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.

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