HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$426+ Cheap flights from Kailua-Kona (KOA) 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — LON
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kailua-Kona to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Kailua-Kona to London

Discover tips and strategies to find the most affordable flight options for your journey from Kailua-Kona (KOA) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$938
(United Airlines)

One-way from

$426
(Kiwi.com)

Popular in

November

Cheapest in

October
From Kona Intl to London (LON)
Search Deals
One-way flight from Kona Intl to London (LON)
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals

Find flight deals from Kailua-Kona to London

Cheapest flights from Kailua-Kona to London
Explore the most affordable flight options available from Kailua-Kona to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/310:50 pmKOA - LHR
1 stop21h 35mUnited Airlines
Tue 9/96:30 amLHR - KOA
2 stops23h 54mUnited Airlines
Deal found 6/11$938
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/58:35 pmKOA - LHR
1 stop26h 25mDelta
Wed 9/106:15 amLHR - KOA
2 stops22h 19mDelta
Deal found 6/10$952
This Ovago deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/410:50 pmKOA - LHR
1 stop21h 35mLufthansa
Mon 9/87:30 pmLHR - KOA
2 stops34h 54mLufthansa
Deal found 6/10$973
This FlightHub deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/310:50 pmKOA - LHR
2 stops23h 45mAir Canada
Tue 9/92:10 pmLHR - KOA
2 stops32h 26mAir Canada
Deal found 6/10$987
This Air France deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/29:47 pmKOA - LHR
1 stop29h 28mAir France
Mon 9/87:45 pmLHR - KOA
2 stops32h 49mAir France
Deal found 6/11$990
This KLM deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/49:47 pmKOA - LHR
2 stops25h 58mKLM
Tue 9/97:15 pmLHR - KOA
2 stops34h 45mKLM
Deal found 6/10$1,011
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/37:00 amKOA - LGW
2 stops40h 55mMultiple Airlines
Wed 9/310:55 amLGW - KOA
1 stop34h 52mMultiple Airlines
Deal found 6/11$1,083
This Air Canada deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2710:50 pmKOA - LHR
3 stops25h 20mMultiple Airlines
Tue 8/125:40 pmLHR - KOA
2 stops32h 39mMultiple Airlines
Deal found 6/11$1,486
This Cheapflightsfares deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/110:15 pmKOA - LCY
2 stops31h 10mLufthansa
Tue 7/157:10 pmLCY - KOA
2 stops36h 18mLufthansa
Deal found 6/10$1,711
This FlightHub deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/288:35 pmKOA - LGW
2 stops51h 40mITA Airways
Tue 8/1212:05 pmLGW - KOA
2 stops41h 55mITA Airways
Deal found 6/11$1,928
This Travelocity deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/38:00 amKOA - LCY
2 stops22h 30mMultiple Airlines
Wed 9/36:45 amLCY - KOA
2 stops37h 42mMultiple Airlines
Deal found 6/11$2,106
This FlightHub deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/18:35 pmKOA - LCY
2 stops50h 30mITA Airways
Wed 7/164:50 pmLCY - KOA
2 stops37h 10mITA Airways
Deal found 6/12$2,843

Cheapflights Fare Finder

Customize your flight search to find flights from Kailua-Kona to London 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 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Kailua-Kona to London that are best for you.

Fly from

Kailua-Kona

Fly to

London

Route

Depart

Return

Price

Kailua-KonaLondon

KOA - LHR

KOALHR

Kona Intl

Sun 8/3

10:50 pm-7:25 am

1 stop21h 35m

London Heathrow

Tue 9/9

6:30 am-7:24 pm

2 stops23h 54m

$938

Kailua-KonaLondon

KOA - LHR

KOALHR

Kona Intl

Tue 8/5

8:35 pm-10:00 am

1 stop26h 25m

London Heathrow

Wed 9/10

6:15 am-5:34 pm

2 stops22h 19m

$952

Kailua-KonaLondon

KOA - LHR

KOALHR

Kona Intl

Mon 8/4

10:50 pm-7:25 am

1 stop21h 35m

London Heathrow

Mon 9/8

7:30 pm-7:24 pm

2 stops34h 54m

$973

Kailua-KonaLondon

KOA - LHR

KOALHR

Kona Intl

Sun 8/3

10:50 pm-9:35 am

2 stops23h 45m

London Heathrow

Tue 9/9

2:10 pm-11:36 am

2 stops32h 26m

$987

Kailua-KonaLondon

KOA - LHR

KOALHR

Kona Intl

Sat 8/2

9:47 pm-2:15 pm

1 stop29h 28m

London Heathrow

Mon 9/8

7:45 pm-5:34 pm

2 stops32h 49m

$990

Kailua-KonaLondon

KOA - LHR

KOALHR

Kona Intl

Mon 8/4

9:47 pm-10:45 am

2 stops25h 58m

London Heathrow

Tue 9/9

7:15 pm-7:00 pm

2 stops34h 45m

$1,011

Kailua-KonaLondon

KOA - LGW

KOALGW

Kona Intl

Thu 7/3

7:00 am-10:55 am

2 stops40h 55m

London Gatwick

Wed 9/3

10:55 am-10:47 am

1 stop34h 52m

$1,083

Kailua-KonaLondon

KOA - LHR

KOALHR

Kona Intl

Sun 7/27

10:50 pm-11:10 am

3 stops25h 20m

London Heathrow

Tue 8/12

5:40 pm-3:19 pm

2 stops32h 39m

$1,486

Kailua-KonaLondon

KOA - LCY

KOALCY

Kona Intl

Tue 7/1

10:15 pm-4:25 pm

2 stops31h 10m

London City

Tue 7/15

7:10 pm-8:28 pm

2 stops36h 18m

$1,711

Kailua-KonaLondon

KOA - LGW

KOALGW

Kona Intl

Mon 7/28

8:35 pm-11:15 am

2 stops51h 40m

London Gatwick

Tue 8/12

12:05 pm-7:00 pm

2 stops41h 55m

$1,928

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 19 results
1
2

Best time to book a flight from Kailua-Kona to London

Have a flexible travel schedule? Discover the best time to fly to London from Kailua-Kona 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.

Cheapflights Insights

Everything you need to know about your flight from Kailua-Kona to London

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

Find hourly flight availability from Kailua-Kona to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s optimal to fly from Kailua-Kona to London in the morning. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight at noon.

Rainfall in London by month

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

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.

Temperature in London by month

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

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).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated June 12, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Air France from Kailua-Kona to London to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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!
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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 Kailua-Kona to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Kailua-Kona to London?

    If you book a flight to London from Kailua-Kona, you will be flying from Kona Intl, which is the city’s only airport. Kona Intl (KOA) is located 7.7 mi from the center of Kailua-Kona. There are 0 flights from Kona Intl to London per day from 1 airline.

  • What are the cheapest airlines flying from Kailua-Kona to London round-trip?

    Cheapflights users have booked flights from Kailua-Kona to London round-trip from $938. Other airlines that can offer you cheap pricing are Delta, from $952, and Lufthansa, from $973. United Airlines is priced at 11% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Kailua-Kona to London one-way?

    The cheapest airlines for a one-way flight from Kailua-Kona to London are Virgin Atlantic ($518), United Airlines ($545), and Delta ($548).

  • What are the most popular routes from Kailua-Kona to London?

    While some choose either Kona Intl - London City or Kona Intl - London Gatwick, Kona Intl - London Heathrow is the most popular route from Kailua-Kona to London.

  • Can I find deals for flights from Kailua-Kona to London that include hotel bookings?

    Yes. In addition to deals on Kailua-Kona to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kailua-Kona to London?

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

  • Can I find deals for business class flights from Kailua-Kona to London?

    Yes. Cheapflights offers flight deals from Kailua-Kona 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.

  • What is the cheapest month to book a flight from Kailua-Kona to London?

    Currently, November is the cheapest month in which you can book a flight from Kailua-Kona to London (average of $661). Flying from Kailua-Kona to London in June is currently the most expensive (average of $1,108). 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

Traveling to a place near Kailua-Kona?

Book flights to Kailua-Kona if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Canterbury
Harrow
Dover
Gatwick
Orpington
Watford
Croydon
Folkestone
Borehamwood
Sutton
Aylesbury
Chelmsford
Brentwood
Chichester
Wembley
Arundel

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.

Top airline flying from Kailua-Kona to London

Discover the top airline that operate flights from Kailua-Kona to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$762Average$1,048FlexibilityNo cancel feeOn-time69%

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.