HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$668+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — LON
Apr 30 — May 71
Wed 4/30
Wed 5/7
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 April 25, 2025.

Round-trip from

$1,147
(Delta)

One-way from

$668
(United Airlines)

Popular in

June

Cheapest in

October

Average price

$1,144
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. 20% potential increase in price ($280 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($54 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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 April 25, 2025.

This Delta deal was found by Cheapflights users on 4/25. 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.
Sat 5/108:38 pmKOA - LHR
1 stop26h 22mDelta
Tue 5/276:30 amLHR - KOA
2 stops22h 01mDelta
Deal found 4/25$1,147
This Air Canada deal was found by Cheapflights users on 4/25. 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.
Sat 5/1011:04 pmKOA - LHR
3 stops23h 31mAir Canada
Tue 5/273:50 pmLHR - KOA
3 stops31h 00mAir Canada
Deal found 4/25$1,178
This CheapOair deal was found by Cheapflights users on 4/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/811:04 pmKOA - LHR
2 stops23h 56mMultiple Airlines
Wed 5/146:30 amLHR - KOA
2 stops24h 16mMultiple Airlines
Deal found 4/25$1,200
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Sun 6/12:55 pmKOA - LGW
1 stop33h 00mMultiple Airlines
Fri 6/2010:55 amLGW - KOA
2 stops31h 22mMultiple Airlines
Deal found 4/25$1,321
This United Airlines deal was found by Cheapflights users on 4/25. 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 6/110:15 pmKOA - LHR
2 stops22h 00mUnited Airlines
Fri 6/207:25 amLHR - KOA
2 stops22h 56mUnited Airlines
Deal found 4/25$1,377
This Virgin Atlantic deal was found by Cheapflights users on 4/25. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/19:39 pmKOA - LHR
1 stop26h 41mVirgin Atlantic
Fri 6/209:55 amLHR - KOA
1 stop20h 04mVirgin Atlantic
Deal found 4/25$1,392
This United Airlines deal was found by Cheapflights users on 4/25. 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 6/110:50 pmKOA - LCY
2 stops26h 40mMultiple Airlines
Fri 6/209:25 amLCY - KOA
2 stops37h 06mMultiple Airlines
Deal found 4/25$1,929
This AranGrant deal was found by Cheapflights users on 4/25. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/291:47 pmKOA - LHR
1 stop31h 13mBritish Airways
Thu 6/194:55 pmLHR - KOA
1 stop32h 00mBritish Airways
Deal found 4/25$2,613
This AranGrant deal was found by Cheapflights users on 4/25. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2910:15 pmKOA - LHR
1 stop25h 55mLufthansa
Thu 6/198:30 amLHR - KOA
2 stops22h 33mLufthansa
Deal found 4/25$2,669
This FlightHub deal was found by Cheapflights users on 4/25. 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.
Sat 5/108:38 pmKOA - LCY
2 stops32h 37mITA Airways
Tue 5/274:50 pmLCY - KOA
2 stops37h 20mITA Airways
Deal found 4/25$3,760

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 April 25, 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

Sat 5/10

8:38 pm-10:00 am

1 stop26h 22m

London Heathrow

Tue 5/27

6:30 am-5:31 pm

2 stops22h 01m

$1,147

Kailua-KonaLondon

KOA - LHR

KOALHR

Kona Intl

Sat 5/10

11:04 pm-9:35 am

3 stops23h 31m

London Heathrow

Tue 5/27

3:50 pm-11:50 am

3 stops31h 00m

$1,178

Kailua-KonaLondon

KOA - LHR

KOALHR

Kona Intl

Thu 5/8

11:04 pm-10:00 am

2 stops23h 56m

London Heathrow

Wed 5/14

6:30 am-7:46 pm

2 stops24h 16m

$1,200

Kailua-KonaLondon

KOA - LGW

KOALGW

Kona Intl

Sun 6/1

2:55 pm-10:55 am

1 stop33h 00m

London Gatwick

Fri 6/20

10:55 am-7:17 am

2 stops31h 22m

$1,321

Kailua-KonaLondon

KOA - LHR

KOALHR

Kona Intl

Sun 6/1

10:15 pm-7:15 am

2 stops22h 00m

London Heathrow

Fri 6/20

7:25 am-7:21 pm

2 stops22h 56m

$1,377

Kailua-KonaLondon

KOA - LHR

KOALHR

Kona Intl

Sun 6/1

9:39 pm-11:20 am

1 stop26h 41m

London Heathrow

Fri 6/20

9:55 am-6:59 pm

1 stop20h 04m

$1,392

Kailua-KonaLondon

KOA - LCY

KOALCY

Kona Intl

Sun 6/1

10:50 pm-12:30 pm

2 stops26h 40m

London City

Fri 6/20

9:25 am-11:31 am

2 stops37h 06m

$1,929

Kailua-KonaLondon

KOA - LHR

KOALHR

Kona Intl

Thu 5/29

1:47 pm-8:00 am

1 stop31h 13m

London Heathrow

Thu 6/19

4:55 pm-1:55 pm

1 stop32h 00m

$2,613

Kailua-KonaLondon

KOA - LHR

KOALHR

Kona Intl

Thu 5/29

10:15 pm-11:10 am

1 stop25h 55m

London Heathrow

Thu 6/19

8:30 am-8:03 pm

2 stops22h 33m

$2,669

Kailua-KonaLondon

KOA - LCY

KOALCY

Kona Intl

Sat 5/10

8:38 pm-4:15 pm

2 stops32h 37m

London City

Tue 5/27

4:50 pm-7:10 pm

2 stops37h 20m

$3,760

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 11 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 April 25, 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 April 25, 2025.
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

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
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

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.
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

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
9,210 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

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.
ITA Airways
6.7
Okay
967 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

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 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 $1,147. Other airlines that can offer you cheap pricing are Air Canada, from $1,178, and United Airlines, from $1,377.

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

    While some choose either Kona Intl - London Heathrow or Kona Intl - London Gatwick, Kona Intl - London City 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 $1,110). 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
Horley
Canterbury
Harrow
Wembley
Dover
Gatwick
Orpington
Watford
Croydon
Borehamwood
Folkestone
Ilford
Aylesbury
Chelmsford
Sutton
Brentwood

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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$762Average$1,148FlexibilityNo 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.