Find flights
When to book
Airlines

Cheap flights from Kaua'i to London Heathrow Airport from £604

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
LIH — LHR
18 Mar — 25 Mar1
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 13 March 2025.

Round-trip from

£712

Popular in

August

Cheapest in

January

Average price

£741
KLM
  • KLM
  • 26/4-3/5
  • 3 total stops
  • 66h 09m total
  • Kaua'i to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£203 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£45 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 13 March 2025.

Mon 22/922:55LIH - LHR
1 stop21h 30mUnited Airlines
Wed 22/1013:40LHR - LIH
2 stops33h 13mUnited Airlines
Deal found 12/3£604
Mon 22/923:03LIH - LHR
1 stop28h 37mAmerican Airlines
Wed 22/1014:20LHR - LIH
1 stop32h 50mAmerican Airlines
Deal found 12/3£629
Sat 26/420:15LIH - LHR
1 stop31h 00mKLM
Sat 3/518:35LHR - LIH
2 stops35h 09mKLM
Deal found 12/3£712
Mon 22/913:15LIH - LHR
3 stops30h 20mAir Canada
Wed 22/1012:05LHR - LIH
3 stops34h 41mAir Canada
Deal found 12/3£717
Tue 20/513:04LIH - LHR
1 stop31h 21mLufthansa
Tue 27/512:20LHR - LIH
1 stop18h 35mLufthansa
Deal found 12/3£1,536
Sat 26/406:00LIH - LHR
3 stops24h 40mMultiple Airlines
Sat 3/510:20LHR - LIH
3 stops31h 42mMultiple Airlines
Deal found 12/3£2,074

Find flights from Kaua'i to Heathrow within your budget

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 13 March 2025.

Fly from

Kaua'i

Fly to

Heathrow

Route

Depart

Return

Price

LihueLondon

LIH - LHR

LIHLHR

Lihue

Sat 26/4

20:15-14:15

1 stop31h 00m

London Heathrow

Sat 3/5

18:35-18:44

2 stops35h 09m

£712

LihueLondon

LIH - LHR

LIHLHR

Lihue

Sat 26/4

22:59-07:25

1 stop21h 26m

London Heathrow

Sat 3/5

14:50-15:46

1 stop35h 56m

£1,419

LihueLondon

LIH - LHR

LIHLHR

Lihue

Tue 20/5

13:04-07:25

1 stop31h 21m

London Heathrow

Tue 27/5

12:20-19:55

1 stop18h 35m

£1,536

LihueLondon

LIH - LHR

LIHLHR

Lihue

Sat 26/4

06:00-17:40

3 stops24h 40m

London Heathrow

Sat 3/5

10:20-07:02

3 stops31h 42m

£2,074

Flights are sorted by cheapest return flights first.

Deals found on 12/3

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.

Travel insights for flights from Kaua'i to Heathrow

Get recent, data-driven insights about flights from Kaua'i to Heathrow including ideal travel times, pricing trends, and more.

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 13 March 2025.
KLM
7.8
Good
1,320 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

KLM
7.8
Good
1,320 reviews
KLM
7.8
Good
1,320 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

United Airlines
7.4
Good
8,623 reviews
KLM
7.8
Good
1,320 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Lufthansa
6.7
Okay
6,938 reviews
KLM
7.8
Good
1,320 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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.

  • 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
Croydon
Slough
Luton
Hayes
Eastbourne
Ilford
Swindon
Northampton
Crawley
Southend-on-Sea
Maidstone
Winchester
Wembley
Ipswich
Southall
Watford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kaua'i to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Honolulu to Heathrow flights
Honolulu to Gatwick flights
Honolulu to London City flights
Kailua-Kona to Heathrow flights
Kahului to Gatwick flights
Kailua-Kona to Gatwick flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Kaua'i to Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Kaua'i today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Kaua'i to Heathrow?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Kaua'i to Heathrow for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Kaua'i to Heathrow with no change fees?

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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.