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

For as low as $949, United Airlines can have you in London Heathrow Airport from Kaua'i in 23h 25m. Kaua'i and London Heathrow Airport are separated by a distance of 7198 mi. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in London Heathrow Airport 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 Heathrow Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to London Heathrow Airport, 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 LHR?

When flying from Kaua'i to London Heathrow Airport, 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 Heathrow that include hotel bookings?

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

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

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

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

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

$387+ Cheap Flights from Kaua'i to London Heathrow Airport

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Find flight deals from Kaua'i to Heathrow

Cheapest flights from Kaua'i to Heathrow
Explore the most affordable flight options available from Kaua'i to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

Thu 12/118:30 pmLIH - LHR

1 stop27h 10mUnited Airlines

Thu 12/181:45 pmLHR - LIH

1 stop18h 59mUnited Airlines

Deal found 10/26

$949

Best flights from Kaua'i to Heathrow
Discover carefully curated flight deals from Kaua'i to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2025.

Thu 12/118:30 pmLIH - LHR

2 stops23h 25mUnited Airlines

Thu 12/181:45 pmLHR - LIH

1 stop18h 59mUnited Airlines

Deal found 10/26

$949

Thu 3/269:26 pmLIH - LHR

1 stop33h 24mDelta

Mon 3/305:25 pmLHR - LIH

2 stops36h 35mDelta

Deal found 10/24

$1,073

Thu 3/261:04 pmLIH - LHR

2 stops31h 26mAir Canada

Mon 3/305:40 pmLHR - LIH

2 stops53h 05mAir Canada

Deal found 10/24

$1,096

Fri 3/279:26 pmLIH - LHR

1 stop27h 29mVirgin Atlantic

Tue 3/3111:20 amLHR - LIH

1 stop19h 11mVirgin Atlantic

Deal found 10/26

$1,837

Fri 3/279:45 pmLIH - LHR

1 stop29h 30mKLM

Tue 3/3111:20 amLHR - LIH

1 stop19h 11mKLM

Deal found 10/25

$1,906

Fri 3/276:00 amLIH - LHR

2 stops18h 55mDelta

Tue 3/315:25 pmLHR - LIH

2 stops32h 39mDelta

Deal found 10/25

$1,246

One-way flights from Kaua'i to Heathrow
Search for one-way flight options from Kaua'i to Heathrow. Find affordable one-way fares based on user searches. Data last updated October 27, 2025.

Wed 11/121:11 pmLIH - LHR

3 stops37h 39mMultiple Airlines

Deal found 10/26

$387

Tue 11/118:30 pmLIH - LHR

2 stops24h 10mUnited Airlines

Deal found 10/26

$399

Tue 11/118:02 pmLIH - LHR

3 stops54h 48mMultiple Airlines

Deal found 10/26

$409

Thu 11/138:30 pmLIH - LHR

1 stop27h 10mUnited Airlines

Deal found 10/26

$469

Thu 11/139:25 amLIH - LHR

3 stops41h 25mMultiple Airlines

Deal found 10/26

$524

Cheap flight deals from Kaua'i to Heathrow

Round-trip from	$949 (United Airlines)
One-way from	$387 (Kiwi.com)
Popular in	June
Cheapest in	November
Average price	$887

From Kaua'i to London Heathrow

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One-way flight from Kaua'i to London Heathrow

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Highest demand for flights based on searches. 22% potential increase in price ($297 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($57 potential savings vs. average RT price).

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Average for round-trip flights in October 2025

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Kaua'i to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LihueLondon

LIH - LHR

LIHLHR

Lihue

Thu 12/11

8:30 pm-5:55 am

2 stops23h 25m

London Heathrow

Thu 12/18

1:45 pm-10:44 pm

1 stop18h 59m

$949

LihueLondon

LIH - LHR

LIHLHR

Lihue

Thu 3/26

9:26 pm-4:50 pm

1 stop33h 24m

London Heathrow

Mon 3/30

5:25 pm-7:00 pm

2 stops36h 35m

$1,073

LihueLondon

LIH - LHR

LIHLHR

Lihue

Thu 3/26

1:04 pm-6:30 am

2 stops31h 26m

London Heathrow

Mon 3/30

5:40 pm-11:45 am

2 stops53h 05m

$1,096

LihueLondon

LIH - LHR

LIHLHR

Lihue

Fri 3/27

6:00 am-10:55 am

2 stops18h 55m

London Heathrow

Tue 3/31

5:25 pm-3:04 pm

2 stops32h 39m

$1,246

LihueLondon

LIH - LHR

LIHLHR

Lihue

Fri 3/27

9:26 pm-10:55 am

1 stop27h 29m

London Heathrow

Tue 3/31

11:20 am-7:31 pm

1 stop19h 11m

$1,837

LihueLondon

LIH - LHR

LIHLHR

Lihue

Fri 3/27

9:45 pm-1:15 pm

1 stop29h 30m

London Heathrow

Tue 3/31

11:20 am-7:31 pm

1 stop19h 11m

$1,906

LihueLondon

LIH - LHR

LIHLHR

Lihue

Wed 11/12

1:11 pm-12:50 pm

3 stops37h 39m

$387

LihueLondon

LIH - LHR

LIHLHR

Lihue

Tue 11/11

8:30 pm-6:40 am

2 stops24h 10m

$399

LihueLondon

LIH - LHR

LIHLHR

Lihue

Tue 11/11

11:25 pm-12:20 pm

1 stop26h 55m

$419

LihueLondon

LIH - LHR

LIHLHR

Lihue

Wed 11/12

8:30 pm-9:40 am

1 stop27h 10m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 12 results

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

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

Estimated round-trip price

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

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Related info for your journey

How long is the flight from Kaua'i to London Heathrow Airport?
For as low as $949, United Airlines can have you in London Heathrow Airport from Kaua'i in 23h 25m. Kaua'i and London Heathrow Airport are separated by a distance of 7198 mi. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from Kaua'i to Heathrow that include hotel bookings?
Yes. In addition to deals on Kaua'i to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kaua'i to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kaua'i to Heathrow.
Can I find deals for business class flights from Kaua'i to Heathrow?
Yes. Cheapflights offers flight deals from Kaua'i to Heathrow 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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$387+ Cheap flights from Kaua'i to Heathrow (LHR)

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kaua'i to Heathrow with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Kaua'i to Heathrow

Cheapest flights from Kaua'i to HeathrowExplore the most affordable flight options available from Kaua'i to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

Explore the most affordable flight options available from Kaua'i to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

Cheap flight deals from Kaua'i to Heathrow

Keep the following information in mind while searching for Kaua'i to Heathrow flight deals. Data was last updated October 27, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Kaua'i to London Heathrow Airport that are best for you.

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

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

Cheapflights Insights

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

Related info for your journey

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

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

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

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

Traveling to a place near London Heathrow Airport?

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Cheapest flights from Kaua'i to Heathrow
Explore the most affordable flight options available from Kaua'i to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.