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Cheap flights from London Heathrow Airport to Kaua'i from £602

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LIH
8 Jul — 15 Jul1
1 adult

Cheap flight deals from Heathrow to Kaua'i

Keep the following information in mind while searching for Heathrow to Kaua'i flight deals. Data was last updated 3 July 2025.

Round-trip from

£706

One-way from

£602

Popular in

August

Cheapest in

March
25/8-8/9
  • 25/8-8/9
  • 3 total stops
  • 63h 47m total
  • London to Kaua'i
10/7
  • 10/7
  • 3 total stops
  • 46h 37m total
  • London to Kaua'i
Highest demand for flights based on searches. 15% potential increase in price (£159 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£28 potential savings vs. average return price).

Find flight deals from Heathrow to Kaua'i

Cheapest flights from Heathrow to Kaua'i
Explore the most affordable flight options available from Heathrow to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.

Mon 25/811:15LHR - LIH
2 stops30h 47mMultiple Airlines
Mon 8/914:25LIH - LHR
1 stop33h 00mMultiple Airlines
Deal found 1/7£706
Mon 25/810:35LHR - LIH
1 stop20h 23mUnited Airlines
Mon 8/912:57LIH - LHR
1 stop38h 13mUnited Airlines
Deal found 1/7£825
Thu 20/1106:20LHR - LIH
2 stops24h 02mDelta
Tue 25/1122:45LIH - LHR
2 stops24h 10mDelta
Deal found 30/6£1,138
Thu 20/1110:05LHR - LIH
1 stop37h 08mLufthansa
Tue 25/1114:30LIH - LHR
1 stop35h 30mLufthansa
Deal found 30/6£1,179
Sat 16/816:55LHR - LIH
1 stop30h 17mAmerican Airlines
Sat 23/821:16LIH - LHR
1 stop28h 34mAmerican Airlines
Deal found 2/7£1,310

Cheapflights Fare Finder

Customise your flight search to find flights from Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 3 July 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Kaua'i that are best for you.

Fly from

Heathrow

Fly to

Kaua'i

Route

Depart

Return

Price

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Mon 25/8

11:15-07:02

2 stops30h 47m

Lihue

Mon 8/9

14:25-10:25

1 stop33h 00m

£706

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Mon 25/8

10:35-19:58

1 stop20h 23m

Lihue

Mon 8/9

12:57-14:10

1 stop38h 13m

£825

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Thu 20/11

06:20-20:22

2 stops24h 02m

Lihue

Tue 25/11

22:26-10:00

1 stop25h 34m

£1,138

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Thu 20/11

10:05-13:13

1 stop37h 08m

Lihue

Tue 25/11

14:30-12:00

1 stop35h 30m

£1,179

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Sat 16/8

16:55-12:12

1 stop30h 17m

Lihue

Sat 23/8

21:16-12:50

1 stop28h 34m

£1,310

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Thu 10/7

10:35-22:12

3 stops46h 37m

£602

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Mon 7/7

14:15-11:47

2 stops32h 32m

£2,217

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Tue 8/7

18:40-19:08

2 stops35h 28m

£2,225

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Mon 7/7

17:30-17:18

1 stop34h 48m

£2,406

LondonLihue

LHR - LIH

LHRLIH

London Heathrow

Tue 8/7

12:05-11:58

3 stops34h 53m

£9,311

Flights are sorted by cheapest return flights first.

Deals found on 1/7

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

Have a flexible travel schedule? Discover the best time to fly to Kaua'i from Heathrow 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 London Heathrow Airport to Kaua'i

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

Find hourly flight availability from Heathrow to Kaua'i. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 July 2025.

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

Reviews of airlines servicing Kaua'i

Get insights into the airlines that provide service to Kaua'i. 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 Kaua'i. Reviews last updated 3 July 2025.
Read reviews from past customers who have flown with Delta, United Airlines, andScandinavian Airlines from London Heathrow Airport to Kaua'i. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as £2,217. Users have also found prices from £2,225 and £2,406 on Scandinavian Airlines and Delta, respectively.

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

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

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

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

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

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

See more FAQs

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Kaua'i flexibly with Cheapflights today.

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