How long is the flight from Kaua'i to London?

United Airlines can get you from Kaua'i to London in just under 21h 26m. Your travel time can differ by up to . The distance from Kaua'i to London is about 7198 mi.

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

What is the cheapest time of day to fly from FUS to LON?

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

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

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

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

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

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

Yes. Cheapflights offers flight deals from Kaua'i to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$453+ Flights from Kaua'i to London

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Cheap flight deals from Kaua'i to London

Cheapest flights from Kaua'i to London
Explore the most affordable flight options available from Kaua'i to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.

Wed 12/2411:59 pmLIH - LHR

1 stop21h 26mLufthansa

Wed 12/316:35 amLHR - LIH

2 stops26h 09mLufthansa

Deal found 12/20

$1,848

Best flights from Kaua'i to London
Discover carefully curated flight deals from Kaua'i to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 21, 2025.

Thu 2/1911:59 pmLIH - LHR

1 stop21h 26mUnited Airlines

Mon 2/2310:05 amLHR - LIH

1 stop22h 39mUnited Airlines

Deal found 12/19

$906

Wed 2/2511:50 pmLIH - LHR

2 stops51h 00mWestJet

Sat 2/282:50 pmLHR - LIH

2 stops41h 52mWestJet

Deal found 12/21

$1,276

Wed 2/252:25 pmLIH - LHR

1 stop31h 00mLufthansa

Sat 2/286:35 amLHR - LIH

2 stops26h 09mLufthansa

Deal found 12/21

$1,815

Last-minute flights from Kaua'i to London
Discover last-minute flight deals from Kaua'i to London. Data last updated December 21, 2025 and is based on user searches.

Wed 12/2411:59 pmLIH - LHR

1 stop21h 26mLufthansa

Wed 12/316:35 amLHR - LIH

2 stops26h 09mLufthansa

Deal found 12/20

$1,848

One-way flights from Kaua'i to London
Search for one-way flight options from Kaua'i to London. Find affordable one-way fares based on user searches. Data last updated December 21, 2025.

Sun 1/1112:01 pmLIH - LGW

3 stops55h 59mMultiple Airlines

Deal found 12/19

$453

Sun 1/112:19 pmLIH - LHR

3 stops41h 11mMultiple Airlines

Deal found 12/19

$518

Sun 1/1110:45 pmLIH - LHR

1 stop25h 45mKLM

Deal found 12/19

$643

Find flight deals from Kaua'i to London

Round-trip from	$906 (United Airlines)
One-way from	$453 (Kiwi.com)
Popular in	June
Cheapest in	November
Average price	$1,493

From Kaua'i to London (LON)

Search Deals

One-way flight from Kaua'i to London (LON)

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($199 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).

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Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

LihueLondon

LIH - LHR

LIHLHR

Lihue

Thu 2/19

11:59 pm-7:25 am

1 stop21h 26m

London Heathrow

Mon 2/23

10:05 am-10:44 pm

1 stop22h 39m

$906

LihueLondon

LIH - LHR

LIHLHR

Lihue

Wed 2/25

11:50 pm-12:50 pm

2 stops51h 00m

London Heathrow

Sat 2/28

2:50 pm-10:42 pm

2 stops41h 52m

$1,276

LihueLondon

LIH - LHR

LIHLHR

Lihue

Wed 2/25

2:25 pm-7:25 am

1 stop31h 00m

London Heathrow

Sat 2/28

6:35 am-10:44 pm

2 stops26h 09m

$1,815

LihueLondon

LIH - LGW

LIHLGW

Lihue

Sun 1/11

12:01 pm-6:00 am

3 stops55h 59m

$453

LihueLondon

LIH - LHR

LIHLHR

Lihue

Sun 1/11

11:38 am-12:50 pm

2 stops39h 12m

$605

LihueLondon

LIH - LHR

LIHLHR

Lihue

Sun 1/11

10:45 pm-10:30 am

1 stop25h 45m

$643

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Best time to book a flight from Kaua'i to London

Have a flexible travel schedule? Discover the best time to fly to London from Kaua'i with our price prediction graph.

Estimated round-trip 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.

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Everything you need to know about your flight from Kaua'i to London

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Related info for your journey

How long is the flight from Kaua'i to London?
United Airlines can get you from Kaua'i to London in just under 21h 26m. Your travel time can differ by up to . The distance from Kaua'i to London is about 7198 mi.
Can I find deals for flights from Kaua'i to London that include hotel bookings?
Yes. In addition to deals on Kaua'i to London flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kaua'i to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kaua'i to London.
Can I find deals for business class flights from Kaua'i to London?
Yes. Cheapflights offers flight deals from Kaua'i to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$453+ Cheap flights from Kaua'i to London (LON)

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kaua'i to London with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Kaua'i to London

Cheapest flights from Kaua'i to LondonExplore the most affordable flight options available from Kaua'i to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.

Explore the most affordable flight options available from Kaua'i to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.

Find flight deals from Kaua'i to London

Keep the following information in mind while searching for Kaua'i to London flight deals. Data was last updated December 21, 2025.

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One-way from

Popular in

Cheapest in

Average price

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Best time to book a flight from Kaua'i to London

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Cheapflights Insights

Everything you need to know about your flight from Kaua'i to London

Related info for your journey

Find useful and relevant information for your journey from Kaua'i to London. 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 Kaua'i to London?

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

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

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

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Cheapest flights from Kaua'i to London
Explore the most affordable flight options available from Kaua'i to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.