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Cheap flights from Kailua-Kona to London from $298

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kailua-Kona to London departing on 12/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Kailua-Kona to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
9:55 pm - 10:30 amKOA-LHR
26h 35m1 stop
KLM Logo
8:25 pm - 6:50 pmLHR-KOA
32h 25m2 stops
$652KLM
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Sun, Mar 1 - Sun, Mar 8
Multiple Airlines Logo
9:55 pm - 10:30 amKOA-LHR
26h 35m1 stop
Multiple Airlines Logo
12:20 pm - 6:50 pmLHR-KOA
40h 30m1 stop
$678Multiple Airlines
Find Deal
Sun, Mar 1 - Sun, Mar 8
United Airlines Logo
2:40 pm - 9:20 pmKOA-LHR
20h 40m2 stops
United Airlines Logo
3:20 pm - 11:24 amLHR-KOA
30h 04m2 stops
$912United Airlines
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Sat, Dec 6 - Wed, Dec 31
United Airlines Logo
8:55 pm - 9:40 amKOA-LHR
26h 45m1 stop
United Airlines Logo
10:05 am - 8:36 pmLHR-KOA
20h 31m1 stop
$921United Airlines
Find Deal
Sun, Dec 7 - Wed, Dec 31
Delta Logo
9:30 pm - 10:55 amKOA-LHR
27h 25m1 stop
Delta Logo
6:30 am - 7:42 pmLHR-KOA
23h 12m2 stops
$1,102Delta
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Sun, Dec 7 - Thu, Jan 1
Delta Logo
8:43 pm - 7:50 amKOA-LHR
25h 07m2 stops
Delta Logo
6:30 am - 7:42 pmLHR-KOA
23h 12m2 stops
$1,107Delta
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Sun, Dec 7 - Thu, Jan 1
WestJet Logo
10:55 pm - 12:50 pmKOA-LHR
27h 55m1 stop
WestJet Logo
2:50 pm - 8:29 pmLHR-KOA
39h 39m1 stop
$1,255WestJet
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Wed, Dec 17 - Thu, Jan 8
WestJet Logo
10:55 pm - 12:50 pmKOA-LHR
27h 55m1 stop
WestJet Logo
2:50 pm - 8:28 pmLHR-KOA
39h 38m2 stops
$1,259WestJet
Find Deal
Wed, Dec 17 - Wed, Jan 7
Air Canada Logo
2:00 pm - 11:50 amKOA-LHR
35h 50m1 stop
Air Canada Logo
2:30 pm - 12:44 pmLHR-KOA
32h 14m1 stop
$1,267Air Canada
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Sun, Dec 7 - Thu, Jan 1
Air Canada Logo
2:25 pm - 12:20 pmKOA-LHR
35h 55m1 stop
Air Canada Logo
2:10 pm - 12:59 pmLHR-KOA
33h 49m1 stop
$1,834Air Canada
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Fri, Mar 27 - Tue, Mar 31

KLM flights from Kailua-Kona to London Heathrow Airport

Our best KLM deals on Kailua-Kona to London Heathrow Airport flight tickets
KLM
Mar 1
KOA9:55 pmKona Intl
26h 35m
1 stop
LHR10:30 amLondon Heathrow
Mar 8
LHR8:25 pmLondon Heathrow
32h 25m
2 stops
KOA6:50 pmKona Intl
$652
Find similar
KLM
Mar 1
KOA10:55 pmKona Intl
28h 55m
2 stops
LHR1:50 pmLondon Heathrow
Mar 8
LHR8:25 pmLondon Heathrow
32h 25m
2 stops
KOA6:50 pmKona Intl
$684
Find similar

United Airlines flights from Kailua-Kona to London Heathrow Airport

Our best United Airlines deals on Kailua-Kona to London Heathrow Airport flight tickets
United Airlines
Oct 22
KOA7:40 pmKona Intl
27h 00m
1 stop
LHR9:40 amLondon Heathrow
Dec 5
LHR1:45 pmLondon Heathrow
33h 21m
1 stop
KOA1:06 pmKona Intl
$717
Find similar
United Airlines
Dec 6
KOA2:40 pmKona Intl
20h 40m
2 stops
LHR9:20 pmLondon Heathrow
Dec 31
LHR3:20 pmLondon Heathrow
30h 04m
2 stops
KOA11:24 amKona Intl
$912
Find similar
United Airlines
Dec 7
KOA8:55 pmKona Intl
26h 45m
1 stop
LHR9:40 amLondon Heathrow
Dec 31
LHR10:05 amLondon Heathrow
20h 31m
1 stop
KOA8:36 pmKona Intl
$921
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Kailua-Kona to London Heathrow Airport 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, momondo users made 832,500 searches. Data last updated October 20, 2025.
Use the filters below to find and compare flights from Kailua-Kona to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Kailua-KonaLondon

KOA - LHR

KOALHR

Kona Intl

Sun 3/1

9:55 pm-10:30 am

1 stop26h 35m

London Heathrow

Sun 3/8

8:25 pm-6:50 pm

2 stops32h 25m

$652

Kailua-KonaLondon

KOA - LHR

KOALHR

Kona Intl

Sun 3/1

9:55 pm-10:30 am

1 stop26h 35m

London Heathrow

Sun 3/8

12:20 pm-6:50 pm

1 stop40h 30m

$678

Kailua-KonaLondon

KOA - LHR

KOALHR

Kona Intl

Sat 12/6

2:40 pm-9:20 pm

2 stops20h 40m

London Heathrow

Wed 12/31

3:20 pm-11:24 am

2 stops30h 04m

$912

Kailua-KonaLondon

KOA - LHR

KOALHR

Kona Intl

Sun 12/7

8:55 pm-9:40 am

1 stop26h 45m

London Heathrow

Wed 12/31

10:05 am-8:36 pm

1 stop20h 31m

$921

Kailua-KonaLondon

KOA - LHR

KOALHR

Kona Intl

Sun 12/7

9:30 pm-10:55 am

1 stop27h 25m

London Heathrow

Thu 1/1

6:30 am-7:42 pm

2 stops23h 12m

$1,102

Kailua-KonaLondon

KOA - LHR

KOALHR

Kona Intl

Sun 12/7

8:43 pm-7:50 am

2 stops25h 07m

London Heathrow

Thu 1/1

6:30 am-7:42 pm

2 stops23h 12m

$1,107

Kailua-KonaLondon

KOA - LHR

KOALHR

Kona Intl

Wed 12/17

10:55 pm-12:50 pm

1 stop27h 55m

London Heathrow

Thu 1/8

2:50 pm-8:29 pm

1 stop39h 39m

$1,255

Kailua-KonaLondon

KOA - LHR

KOALHR

Kona Intl

Wed 12/17

10:55 pm-12:50 pm

1 stop27h 55m

London Heathrow

Wed 1/7

2:50 pm-8:28 pm

2 stops39h 38m

$1,259

Kailua-KonaLondon

KOA - LHR

KOALHR

Kona Intl

Sun 12/7

2:00 pm-11:50 am

1 stop35h 50m

London Heathrow

Thu 1/1

2:30 pm-12:44 pm

1 stop32h 14m

$1,267

Kailua-KonaLondon

KOA - LHR

KOALHR

Kona Intl

Fri 3/27

2:25 pm-12:20 pm

1 stop35h 55m

London Heathrow

Tue 3/31

2:10 pm-12:59 pm

1 stop33h 49m

$1,834

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Kailua-Kona to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Thursday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $1,021. The most expensive day to fly to London Heathrow Airport is Tuesday, with ticket prices averaging around $1,710.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is at noon. momondo users have found flights departing from Kailua-Kona to London Heathrow Airport at noon for as low as $1,148. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $1,344.

Can stopping save me money on Kailua-Kona to London Heathrow Airport flights?

You could potentially save up to 46% on your flight if you consider stops on a Kailua-Kona to London Heathrow Airport flight.

When to book flights from Kailua-Kona to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Kailua-Kona to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Kailua-Kona to London Heathrow Airport (KOA to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kailua-Kona to London Heathrow Airport

Direct flights

None
There are no direct flights from Kailua-Kona to London Heathrow Airport. There are no popular flight routes from Kailua-Kona to London Heathrow Airport.
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  • How far is Kona Intl to London Heathrow by plane?

    There are 7300.0 mi between Kona Intl and London Heathrow. Flights usually cover this in 17h 20m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Kona Intl Airport to London Heathrow Airport?

    Prices for flights from Kona Intl Airport to London Heathrow Airport are updated daily.

  • How many operators does momondo search for flights from Kona Intl Airport to London Heathrow Airport?

  • How old do you have to be to fly from Kona Intl Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kona Intl Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Kailua-Kona to London Heathrow Airport?

Best airlines flying from Kailua-Kona to London Heathrow Airport

Compare and see reviews for airlines that fly from Kailua-Kona to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $882Free CancellationRating
7.4
8,994 reviews
Search United Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Kailua-Kona to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Kailua-Kona to London. momondo saves you time and could save you money on your trip.

Can I find flights from Kailua-Kona to London with flexible booking policies on momondo?

All flight searches from Kailua-Kona to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Kailua-Kona to London?

Once you have performed a search for Kailua-Kona to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Kailua-Kona to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from Kailua-Kona are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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