Latest deals
Insights
FAQs
Price Alerts

Cheap flights from London to Kaua'i from £1,370

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London to Kaua'i departing on 25/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from London to Kaua'i

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:15 - 21:24LHR-LIH
43h 09m2 stops
Multiple Airlines Logo
22:25 - 11:55LIH-LHR
26h 30m2 stops
£1,370Multiple Airlines
Find Deal
Wed, 25 Mar - Sat, 4 Apr
Multiple Airlines Logo
16:55 - 16:40LHR-LIH
33h 45m1 stop
Multiple Airlines Logo
22:55 - 10:40LIH-LHR
24h 45m1 stop
£1,411Multiple Airlines
Find Deal
Wed, 25 Mar - Sat, 4 Apr
United Airlines Logo
09:30 - 21:43LHR-LIH
22h 13m2 stops
United Airlines Logo
22:55 - 07:25LIH-LHR
21h 30m1 stop
£1,463United Airlines
Find Deal
Wed, 25 Mar - Sat, 4 Apr
Multiple Airlines Logo
11:55 - 12:11LGW-LIH
34h 16m2 stops
Multiple Airlines Logo
22:25 - 14:40LIH-LGW
29h 15m2 stops
£1,579Multiple Airlines
Find Deal
Wed, 25 Mar - Sat, 4 Apr

momondo 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, momondo users made 279,928 searches. Data last updated 4 November 2025.
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

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Wed 25/3

12:15-21:24

2 stops43h 09m

Lihue

Sat 4/4

22:25-11:55

2 stops26h 30m

£1,370

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Wed 25/3

16:55-16:40

1 stop33h 45m

Lihue

Sat 4/4

22:55-10:40

1 stop24h 45m

£1,411

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Wed 25/3

09:30-21:43

2 stops22h 13m

Lihue

Sat 4/4

22:55-07:25

1 stop21h 30m

£1,463

LondonLihue

LGW - LIH

LGWLIH

London Gatwick

Wed 25/3

11:55-12:11

2 stops34h 16m

Lihue

Sat 4/4

22:25-14:40

2 stops29h 15m

£1,579

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Kaua'i from

How to get the cheapest flight ticket from London to Kaua'i

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Kaua'i?

Our data shows that Saturday is the least expensive day to fly to Kaua'i. Tickets to fly out on this day can be as low as £747. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from London to Kaua'i for around £1,356.

What is the cheapest time of day to depart on your flight to Kaua'i?

Flying to Kaua'i from London in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £747 when looking at flights departing in the afternoon. Flights at midday are often more expensive, with an average ticket price of £1,357.

Can stopping save me money on London to Kaua'i flights?

No. A direct flight is the cheapest option for a flight between London to Kaua'i.

Cheap London to Kaua'i flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Kaua'i

Direct flights

None
There are no direct flights from London to Kaua'i. There are no popular flight routes from London to Kaua'i.
Search flight deals

  • When did momondo last update prices for flights from London to Kaua'i?

    Prices for flights from London to Kaua'i refresh daily.

  • How old do you have to be to fly from London to Kaua'i?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Kaua'i.

  • What documentation or ID do you need to fly to Kaua'i?

    The necessary travel and health documents for your Kaua'i trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London to Kaua'i?

Why use momondo?

Why should I use momondo to find a flight deal from London to Kaua'i?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Kaua'i . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Kaua'i with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Kaua'i flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Kaua'i?

momondo helps you find the best flight between London and Kaua'i by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to Kaua'i right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to Kaua'i now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Kaua'i and let you know when they change.

An easier way to manage your Kaua'i trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 4/12
Thu 11/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Kaua'i

Popular Cities in Kaua'i

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom £257
Flights to Orlandofrom £248
Flights to Los Angelesfrom £352
Flights to Miamifrom £315
Flights to San Franciscofrom £359
Flights to Bostonfrom £329
Flights to Chicagofrom £348
Flights to Las Vegasfrom £390
Flights to Washington, D.C.from £330
Flights to Atlantafrom £292
Flights to Dallasfrom £315
Flights to Houstonfrom £336