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Cheap flights from London to Kaua'i from £753

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 15/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LIH
18 Aug — 25 Aug1
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 19 July 2026.

Tue 3/1111:10
LHR
-
LIH
2 stops34h 56m
Multiple Airlines
Fri 13/1123:24
LIH
-
LHR
1 stop26h 56m
Multiple Airlines
Deal found 16/7£806
Tue 15/909:50
LHR
-
LIH
2 stops34h 52m
Multiple Airlines
Tue 29/921:35
LIH
-
LHR
1 stop30h 30m
Multiple Airlines
Deal found 17/7£873
Mon 14/907:25
LHR
-
LIH
2 stops37h 45m
Multiple Airlines
Tue 29/921:35
LIH
-
LHR
1 stop30h 30m
Multiple Airlines
Deal found 17/7£890
Thu 17/912:00
LHR
-
LIH
2 stops33h 10m
Multiple Airlines
Tue 29/921:35
LIH
-
LHR
1 stop30h 30m
Multiple Airlines
Deal found 17/7£916
Fri 18/908:50
LHR
-
LIH
2 stops35h 52m
Multiple Airlines
Tue 29/921:35
LIH
-
LHR
1 stop30h 30m
Multiple Airlines
Deal found 17/7£925
Wed 16/912:00
LHR
-
LIH
2 stops33h 10m
Multiple Airlines
Tue 29/921:35
LIH
-
LHR
1 stop30h 30m
Multiple Airlines
Deal found 17/7£941
Fri 4/1212:10
LHR
-
LIH
2 stops34h 25m
Multiple Airlines
Mon 14/1222:45
LIH
-
LHR
1 stop25h 45m
Multiple Airlines
Deal found 16/7£942
Fri 28/821:25
LHR
-
LIH
2 stops32h 58m
Multiple Airlines
Sun 27/921:35
LIH
-
LHR
2 stops27h 20m
Multiple Airlines
Deal found 15/7£948
Fri 28/815:40
LGW
-
LIH
2 stops38h 43m
Multiple Airlines
Sun 27/921:35
LIH
-
LGW
2 stops30h 05m
Multiple Airlines
Deal found 14/7£980
Mon 19/1017:00
LHR
-
LIH
2 stops27h 43m
Alaska Airlines
Tue 20/1015:45
LIH
-
LHR
2 stops36h 20m
Alaska Airlines
Deal found 14/7£1,011
Tue 15/915:40
LGW
-
LIH
2 stops39h 34m
Multiple Airlines
Tue 29/921:35
LIH
-
LGW
2 stops30h 05m
Multiple Airlines
Deal found 17/7£1,121
Fri 4/1211:55
LGW
-
LIH
2 stops34h 39m
Multiple Airlines
Mon 14/1223:32
LIH
-
LGW
2 stops25h 23m
Multiple Airlines
Deal found 16/7£1,147

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 19 July 2026.

Round-trip from

£806

One-way from

£753

Popular in

January

Cheapest in

April

Average price

£401
Alaska Airlines
  • Alaska Airlines
  • 3/11-13/11
  • 3 total stops
  • 61h 52m total
  • London to Kaua'i
Search Deals
15/8
  • 15/8
  • 3 total stops
  • 50h 40m total
  • London to Kaua'i
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£304 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£38 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 19 July 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 - LIH

LHRLIH

London Heathrow

Fri 28/8

08:40-09:42

2 stops36h 02m

Lihue

Sun 27/9

21:35-15:05

1 stop30h 30m

£962

LondonLihue

LGW - LIH

LGWLIH

London Gatwick

Fri 28/8

15:40-19:23

2 stops38h 43m

Lihue

Sun 27/9

21:35-14:40

2 stops30h 05m

£980

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Mon 19/10

17:00-09:43

2 stops27h 43m

Lihue

Tue 20/10

15:45-15:05

2 stops36h 20m

£1,011

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Fri 18/9

17:00-09:42

2 stops27h 42m

Lihue

Wed 30/9

21:35-15:05

1 stop30h 30m

£1,026

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Fri 28/8

17:00-09:42

2 stops27h 42m

Lihue

Sun 27/9

15:45-15:05

2 stops36h 20m

£1,055

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Thu 17/9

17:00-20:14

1 stop38h 14m

Lihue

Mon 28/9

21:35-15:05

1 stop30h 30m

£1,077

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Fri 4/9

17:00-19:23

1 stop37h 23m

Lihue

Sat 19/9

11:57-08:50

2 stops33h 53m

£1,087

LondonLihue

LGW - LIH

LGWLIH

London Gatwick

Tue 15/9

15:40-20:14

2 stops39h 34m

Lihue

Tue 29/9

21:35-14:40

2 stops30h 05m

£1,121

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Sun 13/9

17:00-20:14

1 stop38h 14m

Lihue

Wed 30/9

21:35-15:05

1 stop30h 30m

£1,140

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Wed 4/11

14:45-12:09

2 stops31h 24m

Lihue

Sun 8/11

20:03-12:20

2 stops30h 17m

£1,142

Flights are sorted by cheapest return flights first.

Deals found on 14/7

Showing 1-10 of 27 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 £1,011, Alaska Airlines can have you in Kaua'i from London in 27h 43m. 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 City - Lihue or London Gatwick - 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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How does Cheapflights help users find flights from London to Kaua'i?

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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