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Cheap flights from London to Kaua'i from £891

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LIH
17 Sep — 24 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Kaua'i

Enter your travel dates to find the best prices.

Cheapest flights from London to Kaua'i
Explore the most affordable flight options available from London to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2026.

Tue 29/907:25 -
2 stops37h 45m
Tue 6/1022:31 -
1 stop29h 34m
Deal found 15/8£891
Wed 30/906:00 -
2 stops39h 10m
Wed 7/1022:31 -
1 stop29h 34m
Deal found 16/8£933
Thu 15/1017:00 -
2 stops29h 23m
Thu 29/1014:17 -
2 stops36h 03m
Deal found 16/8£981
Mon 28/917:00 -
2 stops27h 42m
Mon 5/1015:45 -
2 stops36h 20m
Deal found 14/8£984
Tue 29/917:00 -
2 stops27h 42m
Tue 6/1015:45 -
2 stops36h 20m
Deal found 15/8£997
Fri 2/1006:30 -
2 stops39h 53m
Fri 9/1022:31 -
1 stop29h 34m
Deal found 17/8£1,006
Mon 28/918:10 -
2 stops51h 00m
Mon 5/1022:31 -
1 stop29h 34m
Deal found 14/8£1,016
Tue 1/910:20 -
2 stops39h 19m
Tue 15/921:35 -
2 stops30h 10m
Deal found 15/8£1,173
Mon 28/920:15 -
2 stops32h 24m
Mon 5/1021:54 -
2 stops24h 36m
Deal found 14/8£1,242
Tue 29/920:15 -
2 stops32h 24m
Tue 6/1021:51 -
2 stops24h 39m
Deal found 14/8£1,244
Mon 28/910:20 -
2 stops39h 22m
Mon 5/1022:31 -
2 stops33h 19m
Deal found 14/8£1,247
Sun 13/920:45 -
2 stops31h 54m
Sat 19/921:54 -
2 stops24h 36m
Deal found 14/8£1,288

Find flight deals from London to Kaua'i

Keep the following information in mind while searching for London to Kaua'i flight deals. Data was last updated 18 August 2026.

Round-trip from

£891

Popular in

January

Cheapest in

April

Average price

£1,296
Alaska Airlines
  • Alaska Airlines
  • 29/9-6/10
  • 3 total stops
  • 67h 19m total
  • London to Kaua'i
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£311 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 August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 18 August 2026.
Use the filters below to find and compare flights from London to Kaua'i that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonLihue

LHR London Heathrow - LIH Lihue

LHRLIH

London Heathrow

Tue 29/9

07:25-10:10

2 stops37h 45m

Lihue

Tue 6/10

22:31-15:05

1 stop29h 34m

£891

LondonLihue

LGW London Gatwick - LIH Lihue

LGWLIH

London Gatwick

Mon 4/1

10:25-22:36

2 stops22h 11m

Lihue

Sun 17/1

23:31-19:20

2 stops33h 49m

£947

LondonLihue

LHR London Heathrow - LIH Lihue

LHRLIH

London Heathrow

Mon 28/9

17:00-09:42

2 stops27h 42m

Lihue

Mon 5/10

15:45-15:05

2 stops36h 20m

£984

LondonLihue

LHR London Heathrow - LIH Lihue

LHRLIH

London Heathrow

Fri 2/10

17:00-11:23

2 stops29h 23m

Lihue

Fri 9/10

15:45-15:05

2 stops36h 20m

£1,026

LondonLihue

LHR London Heathrow - LIH Lihue

LHRLIH

London Heathrow

Tue 29/9

17:00-09:42

2 stops27h 42m

Lihue

Tue 6/10

22:31-15:05

1 stop29h 34m

£1,093

LondonLihue

LCY London City - LIH Lihue

LCYLIH

London City

Mon 4/1

09:50-22:36

2 stops22h 46m

Lihue

Sun 17/1

23:31-17:40

2 stops32h 09m

£1,121

LondonLihue

LHR London Heathrow - LIH Lihue

LHRLIH

London Heathrow

Wed 16/9

17:00-11:25

2 stops29h 25m

Lihue

Wed 23/9

21:35-15:05

1 stop30h 30m

£1,128

LondonLihue

LHR London Heathrow - LIH Lihue

LHRLIH

London Heathrow

Thu 1/10

17:00-10:10

2 stops28h 10m

Lihue

Thu 8/10

20:45-15:05

2 stops31h 20m

£1,141

LondonLihue

LHR London Heathrow - LIH Lihue

LHRLIH

London Heathrow

Wed 30/9

17:00-09:56

2 stops27h 56m

Lihue

Wed 7/10

22:31-15:05

1 stop29h 34m

£1,143

LondonLihue

LHR London Heathrow - LIH Lihue

LHRLIH

London Heathrow

Sun 27/9

17:00-09:42

2 stops27h 42m

Lihue

Sun 4/10

14:17-15:05

2 stops37h 48m

£1,144

Flights are sorted by cheapest return flights first.

Deals found on 15/8

Showing 1-10 of 25 resultsSorted by cheapest first
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Best time to book a flight from London to Kaua'i

Have a flexible travel schedule? Discover the best time to fly to Kaua'i from London 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 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 London 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 to Kaua'i?

    For as low as £984, Alaska Airlines can have you in Kaua'i from London in 27h 42m. The distance between London and Kaua'i is about 7198 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from London to Kaua'i?

    Most travelers choose London Heathrow - Lihue, London Gatwick - Lihue or London City - Lihue when deciding on the best route from London to Kaua'i.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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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Deals for London to Kaua'i flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Kaua'i.

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

Yes, we can. To see specific flights from London to Kaua'i with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Of course! You can now track prices for flights from London to Kaua'i and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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