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Cheap flights from Kaua'i to London Heathrow Airport from £414

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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
LIH — LHR
23 Apr — 30 Apr1
1 adult

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 18 April 2025.

Round-trip from

£735

One-way from

£414

Popular in

August

Cheapest in

January

Average price

£871
Delta
  • Delta
  • 22/9-22/10
  • 3 total stops
  • 49h 41m total
  • Kaua'i to London
Search Deals
Air Canada
  • Air Canada
  • 10/10
  • 2 total stops
  • 54h 10m total
  • Kaua'i to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£102 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 18 April 2025.

Mon 22/921:26LIH - LHR
1 stop25h 49mDelta
Wed 22/1006:30LHR - LIH
2 stops23h 52mDelta
Deal found 17/4£735
Mon 22/912:57LIH - LHR
2 stops20h 43mUnited Airlines
Wed 22/1015:20LHR - LIH
3 stops31h 01mUnited Airlines
Deal found 17/4£752
Mon 22/923:03LIH - LHR
1 stop26h 47mAmerican Airlines
Wed 22/1014:45LHR - LIH
1 stop32h 25mAmerican Airlines
Deal found 17/4£757
Mon 22/913:15LIH - LHR
3 stops30h 20mAir Canada
Wed 22/1012:05LHR - LIH
3 stops35h 00mAir Canada
Deal found 17/4£758
Tue 20/513:20LIH - LHR
1 stop31h 05mLufthansa
Tue 27/512:20LHR - LIH
1 stop18h 35mLufthansa
Deal found 17/4£1,734
Tue 20/519:40LIH - LHR
2 stops23h 50mMultiple Airlines
Tue 27/512:05LHR - LIH
3 stops34h 54mMultiple Airlines
Deal found 17/4£4,170

Cheapflights Fare Finder

Customise your flight search to find flights from Kaua'i to Heathrow 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 April 2025.
Use the filters below to find and compare flights from Kaua'i to London Heathrow Airport that are best for you.

Fly from

Kaua'i

Fly to

Heathrow

Route

Depart

Return

Price

LihueLondon

LIH - LHR

LIHLHR

Lihue

Mon 22/9

21:26-10:15

1 stop25h 49m

London Heathrow

Wed 22/10

06:30-19:22

2 stops23h 52m

£735

LihueLondon

LIH - LHR

LIHLHR

Lihue

Mon 22/9

12:57-20:40

2 stops20h 43m

London Heathrow

Wed 22/10

15:20-11:21

3 stops31h 01m

£752

LihueLondon

LIH - LHR

LIHLHR

Lihue

Mon 22/9

23:03-12:50

1 stop26h 47m

London Heathrow

Wed 22/10

14:45-12:10

1 stop32h 25m

£757

LihueLondon

LIH - LHR

LIHLHR

Lihue

Mon 22/9

13:15-06:35

3 stops30h 20m

London Heathrow

Wed 22/10

12:05-12:05

3 stops35h 00m

£758

LihueLondon

LIH - LHR

LIHLHR

Lihue

Tue 20/5

13:20-07:25

1 stop31h 05m

London Heathrow

Tue 27/5

12:20-19:55

1 stop18h 35m

£1,734

LihueLondon

LIH - LHR

LIHLHR

Lihue

Tue 20/5

19:40-06:30

2 stops23h 50m

London Heathrow

Tue 27/5

12:05-11:59

3 stops34h 54m

£4,170

LihueLondon

LIH - LHR

LIHLHR

Lihue

Fri 10/10

13:20-06:30

2 stops54h 10m

£414

LihueLondon

LIH - LHR

LIHLHR

Lihue

Fri 10/10

21:45-11:20

1 stop26h 35m

£435

LihueLondon

LIH - LHR

LIHLHR

Lihue

Wed 11/6

22:58-07:25

1 stop21h 27m

£810

Flights are sorted by cheapest return flights first.

Deals found on 17/4

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 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 Kaua'i to London Heathrow Airport

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 18 April 2025.
Delta
8.0
Very Good
7,917 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,917 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,147 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Lufthansa
6.7
Okay
7,012 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from Kaua'i to London Heathrow Airport one-way?

    £414 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from £435 and £810, respectively.

  • 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 holiday 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.

  • What is the cheapest month to book a flight from Kaua'i to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Kaua'i to London Heathrow Airport (average of £112). Flying from Kaua'i to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Kaua'i?

Book flights to Kaua'i if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Wembley
Northampton
Hayes
Crawley
Southend-on-Sea
Maidstone
Swindon
Ipswich
Southall
Ilford
Winchester
Folkestone

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Alternative routes for Kaua'i to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Certainly. Search results for flights to Heathrow from Kaua'i shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Kaua'i today and book when prices fit your budget.

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