Find Cheap Flights from Hong Kong Intl to London (HKG - LON)

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Sat 11/18
Sat 11/25
Any month
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Good to Know

Low Season:
November
Best time to beat the crowds
3%
expected price decrease
High Season:
August
Most popular time to fly
16%
expected price increase
Average Price:
$1292
(avg. price over the last 2 weeks)
Good Deal:
$781
or less (round trip)

When to Book Flights from Hong Kong Intl to London

Average price per month
Flight prices as travel date approaches
-1 day
-2 days

Top tips for Finding a Cheap Flight

When looking for a cheap flight, consider that 25% of our users selected a flight on this route for $781 or less.
The cheapest flight from Hong Kong Intl to London was found 90 days before departure, on average.
Book at least 2 weeks before departure in order to get a below-average price.
High season is considered to be July, August and September. The cheapest month to fly is November.
Morning departure is around 3% cheaper than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for Booking Hong Kong Intl to London Flights

How long does a flight from Hong Kong Intl to London take?
An average nonstop flight takes 18h 05m, covering a distance of 5971 miles.
How many flights are there between Hong Kong Intl and London?
There are 81 (nonstop) flights between Hong Kong Intl and London per week, averaging 11 per day.
Which airlines provide the cheapest flights from Hong Kong Intl to London?
In the past 3 days, the cheapest round-trip tickets were found on Vietnam Airlines ($483), China Eastern ($484) and SriLankan ($493).
Do I need a passport to fly between Hong Kong Intl and London?
Yes.
Which airlines fly most frequently between Hong Kong Intl and London?
Cathay Pacific (8 times daily), British Airways (2 times daily), Virgin Atlantic (1 times daily) are the most frequent flyers on this route.
What’s the cheapest day of the week to fly Hong Kong Intl to London?
For Hong Kong Intl to London, Tuesday is the cheapest day to fly on average and Wednesday is the most expensive. Flying from London back to Hong Kong Intl, the best deals are generally found on Monday, with Thursday being the most expensive.

Book cheap flights from Hong Kong Intl to London (round-trip)

Airports
Origin
Hong Kong
$483
only
$483
Destination
London
$483
only
$483
$606
only
$606
Tue, Dec 12
HKG
LHR
23h 55m
Wed, Jan 10
LHR
HKG
19h 15m
Trip: 30 days
7.5GoodShow reviews
Overall 7.5 Good
Based on 722 reviews
Overall
7.8
Boarding
7.8
Comfort
7.7
Crew
8.2
Entertainment
6.5
Food
7.1
SGN
SYD
Excellent 9.3

the legroom, the seat, the footrest, the armrests - 2 each! Very comfortable, slept well.

Crying babies, but the Bose QC35 noise cancelling headphones took care of that!

HAN
ICN
Excellent 8.3

Very good experience especially compared to USA airlines

HAN
HUI
Good 7.6

Quick flight, comfortable seats. Leg room is superior than most economy flights. Was surprised and pleased that the domestic flight had English announcements and they were clear.

Announcement at gate to board bus was not delivered, had to look up and see passengers boarding bus to take to tarmac for boarding. Bus then stopped at plane for 10 minutes seemingly waiting for 1st class bus to arrive and board first as they came and were unloaded right away.

SGN
PVG
Excellent 10.0

Check in service was very good!

PNH
VTE
Mediocre 2.0

The Vietnam airline has little consumer orientation

Sat, Jan 13
HKG
LHR
59h 00m
Sat, Jan 20
LHR
HKG
19h 45m
Trip: 8 days
6.3GoodShow reviews
Overall 6.3 Good
Based on 3874 reviews
Overall
6.3
Boarding
6.4
Comfort
6.4
Crew
6.7
Entertainment
6.1
Food
5.8
LAX
PVG
Excellent 9.0

Lacked flavor... quantity was great

TAO
ICN
Good 7.3

Crew seemed friendly.

Boarding was delayed 30 min. The attendant who spoke to me, spoke in clear English. The one giving the announcement, her pronunciation was not completely clear. For a routine speech like that, it should be well-rehearsed and clear.

PVG
LAX
Excellent 10.0

Attendants tried to make a 10+ hour flight as comfortable as possible

N/A

PEK
SHA
Okay 4.0

They would not accomidate a flight change after I was delayed in an accident getting to the airport. One desk said there was a seat on the earlier flight and sent me out of the gate area to the front of the airport. When I got there a few minutes later they said no there is no seat. I was upset because I had to wait 6 hours now and go back through security again. I asked to speak to a supervisor. They pertended not to understand. I was persistant and then they siad oh here is a seat on the 1:00 flight. Then he goes do you want window or aisle. If there was no seats whey do I have a choice?

PVG
SZX
Excellent 9.0

Wondering if I can as a n the right flight out of PVG - luckily yes...

Thu, Nov 23
HKG
LHR
33h 05m
Sun, Dec 3
LHR
HKG
20h 20m
Trip: 11 days
7.7GoodShow reviews
Overall 7.7 Good
Based on 354 reviews
Boarding
7.4
Comfort
7.7
Crew
8.2
Entertainment
7.5
Food
7.6
CMB
VTZ
Good 6.0

No headphones were given.. No entertainment

CMB
MLE
Excellent 9.3

Super friendly and professional crew, clean airplane and great entertainment.

The boarding in Colombo was typical for a lot of these airports I guess but I hate it. Go outside, cram in a bus, drive to the airplane and everyone fights to get in at once. Talking about an Airbus 330-300. Took an eternity to load

BKK
CMB
Excellent 8.0

Stuff is friendly, helpful and supportive. Both on the ground and in the plane

It would have been nice to be offered a lunch during the 2h transit in Colombo as it was lunch hours.

BKK
CMB
Excellent 9.0

This was my first time flying in and out of Colombo and on Sri Lankan Air. I was impressed by the staff, the service, and the in flight amenities, considering it was a short 1 hour flight from Colombo to Maldives.

I had no dislikes in this trip in particular.

HYD
CMB
Excellent 9.3

Staff were very professional and courteous

Fri, Dec 1
HKG
LHR
18h 05m
Wed, Dec 6
LHR
HKG
22h 00m
Trip: 6 days
Overall 0.0 Poor
Based on 0 reviews
Sat, Jan 13
HKG
LHR
30h 15m
Fri, Jan 19
LHR
HKG
30h 45m
Trip: 7 days
8.6ExcellentShow reviews
Overall 8.6 Excellent
Based on 3347 reviews
Boarding
8.8
Comfort
8.6
Crew
8.9
Entertainment
8.5
Food
8.3
SIN
TPE
Excellent 9.0

Boarding and service by the crew wers great.

Food was a little to much asian.

HKG
TPE
Excellent 10.0

I took the special meal for diabetes. It was a lot better than the regular one when i went to HONG KONG.

SFO
TPE
Good 6.0

Loved the airline. Flight attendants in economy were the best I've encountered

Some more clarity on carry-on limits would be helpful as would participating in TSA Precheck for US travelers.

TPE
SEA
Excellent 10.0

As always it's the professional kind efficient staff.

BKK
TPE
Okay 4.3

Seat reasonably comfortable in Eco Plus

Flight attendants forgot drink order, boarding didn't happen until 15 minutes after scheduled time with very poor communication from ground staff

Fri, Mar 16
HKG
LHR
26h 05m
Mon, Mar 26
LHR
HKG
16h 40m
Trip: 11 days
7.0GoodShow reviews
Overall 7.0 Good
Based on 1449 reviews
Overall
7.1
Boarding
7.1
Comfort
7.0
Crew
7.5
Entertainment
6.5
Food
6.9
CCU
BOM
Good 6.0

In flight services were good. Baggage came in on time.

Check in was terrible chaotic and totally mismanaged.

MAA
CDG
Excellent 8.0

Good, and Boarding

KTM
DEL
Okay 4.3

I’m still thinking....

Most of the passengers out of New Dehli were roudy, noisy snd messy. . Disorganized service. 737 has only two toilets at the rear of plane causing big cluster with the galley.

DEL
DED
Excellent 8.0

Jet Airways is the only airline I book for domestic flights when I go to India. They are generally on time. And always give you upnto date info. You can easily change flights and get refunds due to delays.

No complaints

BOM
RAJ
Mediocre 2.0

I was not checked in at the check in counter as that person had no knowledge that the flight was changed. I don't know what reservation was she looking at. She had no information. I had to complaint meet the manager and then I was allowed to be checked in. Was that person from Jet Airways? I have never seen this. What the hell was system showing? Absolute pathetic service. When a senior citizen at 90 is traveling is this how they're treated?

Thu, Feb 22
HKG
LHR
27h 25m
Mon, Mar 12
LHR
HKG
17h 50m
Trip: 18 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 1468 reviews
Overall
8.0
Boarding
7.9
Comfort
7.7
Crew
8.4
Entertainment
7.1
Food
7.5
SVO
AMS
Okay 5.2

KLM can't seem to figure out the order of boarding the plane. Should be business - priority - everyone else. Instead they do priority first, and that's usually two-thirds of the passengers. Also, really tired of the fake business class on these flights...

LHR
AMS
Good 7.6

I was pleasantly surprised they had a snack service on such a short flight. The flight attendants were very friendly

Amsterdam customs is the most disorganized I have ever seen. With the number of tourists entering the country you would think they would have done something about it. There were only 2 customs agents!! One for all passports and 1 for all passports. We were in the customs hall longer than we were in flight!

AMS
ATL
Good 7.0

newer plane, good staff

need better and more food options, more often

ATL
CLE
Okay 4.6

old plane, tight and uncomfortable

DMM
AMS
Okay 4.3

staff was fine

old old plane, very uncomfortable. Tiny bad screen made movies pointless

Wed, Nov 22
HKG
LGW
34h 50m
Sat, Nov 25
LGW
HKG
33h 55m
Trip: 4 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 5488 reviews
Overall
8.0
Boarding
8.0
Comfort
7.8
Crew
8.3
Entertainment
7.5
Food
7.5
SVO
ICN
Excellent 8.3

same

same

SVO
LAX
Excellent 8.3

Comfortable, friendly staff

My monitor for in flight entertainment was broken. My flight was 13 hours and attendants were unable but to solve the issue.

BLQ
SVO
Good 7.6

The flight was delayed two hours and it was not announced very clearly.

SVO
TLV
Excellent 10.0

food. staff

none

SVO
DEL
Good 6.0

The crew was nice and helpful.

The entertainment system was the slowest I have ever used in my life. The movie collection was very poor. There was no alcohol served in the flight.

Mon, Dec 11
HKG
LHR
26h 55m
Fri, Jan 12
LHR
HKG
19h 35m
Trip: 33 days
8.1ExcellentShow reviews
Overall 8.1 Excellent
Based on 5445 reviews
Overall
8.3
Boarding
8.3
Comfort
7.9
Crew
8.7
Entertainment
7.8
Food
8.0
ORD
ZRH
Okay 5.6

I am a frequent flyer with swiss airline. Amazing crew, boarding, taking off and landing is on time if not a little earlier. However, I was quite disappointed with the enertainment package and food.

I am a frequent flyer with swiss airline. Amazing crew, boarding, taking off and landing is on time if not a little earlier. However, I was quite disappointed with the enertainment package and food.

HKG
ZRH
Mediocre 2.0

I have just had the most unpleasant experience with Swiss Air and feel that anyone on FB should be very careful when dealing with this airline. I am a Gold Member of Star Alliance for more than 20 years and have flown dozens of times on Swiss and would expect courtesy and consideration in return for my loyalty to their airline. Their flight from Hong Kong to Zurich leaves at 00:15. I mistakenly booked this for Nov 9th instead of the intended late evening of the 9th which then turns out to be Nov 10th. When I discovered my error, I called Swiss at least six times to explain my error and ask if my son could stand by for the same flight on the 10th or even apply the amount to rebook the same flight the next day. ZERO flexibility or consideration. Missed flight, lose entire value. Start from scratch. Astonished that an airline that claims to be serving their customers would treat me this way. I travel through Europe at least 6-10 times a year from Asia. I will now route through Frankfurt, Munich, Paris, London, Vienna, Instanbul or even Moscow before ever going through Zurich again. I encourage anyone making travel plans to be very careful when considering flights with Swiss Airlines. Perhaps this treatment of a loyal customer explains why they went through bankruptcy already once.

BRU
ZRH
Mediocre 2.0

Nothing!! And by the way this is the last time I travel with you guys. I couldn’t travel because of my itinerary doula -Bruxelle - Zurich- Washington Dulles . I was not told when I bought the ticket that I will need a visa to transit between Bruxel to Zurich. Now they told me that my only option is to buy another ticket . Thank God éthiopien Airline was more affordable.

Nothing!! And by the way this is the last time I travel with you guys. I couldn’t travel because of my itinerary doula -Bruxelle - Zurich- Washington Dulles . I was not told when I bought the ticket that I will need a visa to transit between Bruxel to Zurich. Now they told me that my only option is to buy another ticket . Thank God éthiopien Airline was more affordable.

ZRH
BOS
Good 6.0

Flight is conformable.. Crew was fine.

experience at the Zurich airport was not good. They checked our passports 3 times before we got to our gate. Swiss airlines should account for these things when they give options for the connections. we had about and hour and half layover and did not even have time to have coffee or anything before a 9+ hour flight. We just ran from one flight to another and barely made to our flight..

ZRH
DXB
Okay 5.6

I am a frequent flyer with swiss airline. Amazing crew, boarding, taking off and landing is on time if not a little earlier. However, I was quite disappointed with the enertainment package and food.

I am a frequent flyer with swiss airline. Amazing crew, boarding, taking off and landing is on time if not a little earlier. However, I was quite disappointed with the enertainment package and food.

Sun, Jan 21
HKG
LHR
32h 25m
Sun, Jan 28
LHR
HKG
38h 20m
Trip: 8 days
6.3GoodShow reviews
Overall 6.3 Good
Based on 3874 reviews
Overall
6.3
Boarding
6.4
Comfort
6.4
Crew
6.7
Entertainment
6.1
Food
5.8
PVG
SFO
Good 7.6

Everything about our flight went very well, and most were better than expected. The crew were very helpful. Our seats had plenty of room in economy. This were done very efficiently and with concern for value. The entertainment system was super.

Our Vegan meals were rather tasteless and uninteresting.

HKG
PVG
Good 6.3

The flight was delayed for almost an hour but I think the flight attendants did a good job on letting the flyers know what was going on.

LAX
PVG
Excellent 9.0

Lacked flavor... quantity was great

JFK
PVG
Okay 5.3

None

Food, seat, bathroom and smells badly, stinks,

PVG
LAX
Excellent 10.0

Attendants tried to make a 10+ hour flight as comfortable as possible

N/A

Thu, Nov 23
HKG
LHR
33h 05m
Sun, Dec 3
LHR
HKG
20h 20m
Trip: 11 days
7.7GoodShow reviews
Overall 7.7 Good
Based on 354 reviews
Boarding
7.4
Comfort
7.7
Crew
8.2
Entertainment
7.5
Food
7.6
BKK
CMB
Excellent 9.0

This was my first time flying in and out of Colombo and on Sri Lankan Air. I was impressed by the staff, the service, and the in flight amenities, considering it was a short 1 hour flight from Colombo to Maldives.

I had no dislikes in this trip in particular.

MAA
CMB
Excellent 10.0

The staff was super friendly and professional, the entertainment was great for such a short flight and I felt like the airplane was cleaner than normal.

HYD
CMB
Excellent 9.3

Staff were very professional and courteous

CMB
MLE
Good 7.6

Business class on A330. Service excellent.

Crowd control at gate kind of chaotic. Colombo Airport rather disorganized.

CMB
BLR
Excellent 8.0

Even though it was an hour long flight, they served us snacks. Food was not very good though.

Flight was late by 20 minutes.

Tue, Dec 12
HKG
LHR
23h 55m
Thu, Jan 11
LHR
HKG
18h 30m
Trip: 31 days
7.5GoodShow reviews
Overall 7.5 Good
Based on 722 reviews
Overall
7.8
Boarding
7.8
Comfort
7.7
Crew
8.2
Entertainment
6.5
Food
7.1
HAN
SGN
Excellent 8.0

There was a long line for the Hanoi-Ho Chi Minh flights but with multiple counters devoted to this route alone we were checking in not long after having been dropped off at the airport. We were offered seats on an earlier fight which we eagerly accepted. Knowing that this route is often cited as one of the busiest in the world it was no surprise to find ourselves on a wide-body jet, Airbus 330-200 even on this 2-hour flight. A small snack was served. The flight was uneventful.

SGN
SYD
Excellent 9.3

the legroom, the seat, the footrest, the armrests - 2 each! Very comfortable, slept well.

Crying babies, but the Bose QC35 noise cancelling headphones took care of that!

SGN
HKG
Excellent 10.0

The A-321 was a bit worn but that was expected. Cabin crew were quite nice and the meal was excellent. I’ve traveled in both economy and business class and both are much nicer than domestic flying in the USA. I highly recommend Vietnam Airlines

Nothing

PNH
VTE
Mediocre 2.0

The Vietnam airline has little consumer orientation

SGN
PVG
Excellent 10.0

Check in service was very good!

Fri, Nov 24
HKG
LHR
18h 05m
Thu, Nov 30
LHR
HKG
23h 20m
Trip: 7 days
Overall 0.0 Poor
Based on 0 reviews
Tue, Nov 21
HKG
LHR
36h 05m
Mon, Nov 27
LHR
HKG
16h 30m
Trip: 7 days
6.3GoodShow reviews
Overall 6.3 Good
Based on 3874 reviews
Overall
6.3
Boarding
6.4
Comfort
6.4
Crew
6.7
Entertainment
6.1
Food
5.8
PVG
PEK
Okay 5.0

None

Food, dirty bathroom, smells badly and more

NGO
PVG
Good 6.3

Everything about our flight went very well, and most were better than expected. The crew were very helpful. Our seats had plenty of room in economy. This were done very efficiently and with concern for value.

Our Vegan meals were rather tasteless and uninteresting. The only entertainment was what we brought with us and overhead monitors.

LAX
PVG
Excellent 9.0

Lacked flavor... quantity was great

TAO
ICN
Good 7.3

Crew seemed friendly.

Boarding was delayed 30 min. The attendant who spoke to me, spoke in clear English. The one giving the announcement, her pronunciation was not completely clear. For a routine speech like that, it should be well-rehearsed and clear.

PVG
SFO
Good 7.6

Everything about our flight went very well, and most were better than expected. The crew were very helpful. Our seats had plenty of room in economy. This were done very efficiently and with concern for value. The entertainment system was super.

Our Vegan meals were rather tasteless and uninteresting.

Wed, Nov 22
HKG
LHR
33h 10m
Mon, Nov 27
LHR
HKG
36h 20m
Trip: 6 days
7.7GoodShow reviews
Overall 7.7 Good
Based on 354 reviews
Boarding
7.4
Comfort
7.7
Crew
8.2
Entertainment
7.5
Food
7.6
CMB
DXB
Excellent 9.0

Free entertainment (nice selection of movies), free food and drinks (food is a bit spicy, but within reason), more leg room than expected.

At first they refused to let me in on the plane, because they misread the instructions from Dubai and thought I couldn't even be at the airport. I can't go into Dubai, but I can be at the terminal. To their credit, they realized their mistake just in time and I was able to make the flight, albeit barely, so no harm done.

HYD
CMB
Excellent 9.3

Staff were very professional and courteous

CMB
MLE
Good 7.6

Business class on A330. Service excellent.

Crowd control at gate kind of chaotic. Colombo Airport rather disorganized.

CMB
MLE
Excellent 9.3

Super friendly and professional crew, clean airplane and great entertainment.

The boarding in Colombo was typical for a lot of these airports I guess but I hate it. Go outside, cram in a bus, drive to the airplane and everyone fights to get in at once. Talking about an Airbus 330-300. Took an eternity to load

BLR
CMB
Excellent 8.0

Friendly and professional staff. Boarding process was smooth. Did not expect any refreshments for a 1 hour flight. What was given was not that good.

Wed, Dec 13
HKG
LHR
24h 45m
Sat, Jan 13
LHR
HKG
19h 15m
Trip: 32 days
7.5GoodShow reviews
Overall 7.5 Good
Based on 722 reviews
Overall
7.8
Boarding
7.8
Comfort
7.7
Crew
8.2
Entertainment
6.5
Food
7.1
SGN
PVG
Excellent 10.0

Check in service was very good!

HAN
ICN
Excellent 8.3

Very good experience especially compared to USA airlines

BKK
HAN
Good 7.6

Airplane food is usually drab & this fish in chili sauce was really tasty. Pleasant crew

Miss channels fir tv or music or movies. No wi-fi

SGN
SIN
Good 6.0

NA

PNH
VTE
Mediocre 2.0

The Vietnam airline has little consumer orientation

Wed, Jan 24
HKG
LHR
40h 05m
Tue, Feb 6
LHR
HKG
33h 10m
Trip: 14 days
8.6ExcellentShow reviews
Overall 8.6 Excellent
Based on 3347 reviews
Boarding
8.8
Comfort
8.6
Crew
8.9
Entertainment
8.5
Food
8.3
TPE
ORD
Excellent 10.0

everything done well and professionally

SIN
TPE
Excellent 9.0

Boarding and service by the crew wers great.

Food was a little to much asian.

TPE
SEA
Excellent 10.0

As always it's the professional kind efficient staff.

TPE
SFO
Okay 4.0

Seat reasonably comfortable in Eco Plus

Eva runs a sloppy operation: 3/4 of my flights were delayed, boarding consistently happened late, and flight attendants consistently forgot drink orders. Not sure what's happening as they used to be very good but will not be traveling with them again unless they right the ship.

HKG
TPE
Excellent 10.0

I took the special meal for diabetes. It was a lot better than the regular one when i went to HONG KONG.

Fri, Dec 8
HKG
LHR
18h 05m
Wed, Dec 13
LHR
HKG
21h 35m
Trip: 6 days
Overall 0.0 Poor
Based on 0 reviews
Sun, Mar 18
HKG
LHR
26h 05m
Sat, Mar 31
LHR
HKG
16h 40m
Trip: 14 days
7.0GoodShow reviews
Overall 7.0 Good
Based on 1449 reviews
Overall
7.1
Boarding
7.1
Comfort
7.0
Crew
7.5
Entertainment
6.5
Food
6.9
DEL
CCU
Excellent 9.3

Landing is not smooth.

BOM
RAJ
Good 6.0

Check in took a lot of time

MAA
CDG
Excellent 8.0

Good, and Boarding

DEL
PAT
Okay 4.0

flight delayed an hour.

DEL
AMS
Excellent 9.3

Limited options on entertainment

Sat, Feb 24
HKG
LHR
26h 05m
Wed, Mar 14
LHR
HKG
21h 20m
Trip: 18 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 1468 reviews
Overall
8.0
Boarding
7.9
Comfort
7.7
Crew
8.4
Entertainment
7.1
Food
7.5
FCO
AMS
Excellent 10.0

Flight crew was pleasant and attentive. Seats were comfortable for economy as well. We were allowed to check in extra baggage for free at check in which really helped since we would be catching a connecting flight in Amsterdam

AMS
ATL
Good 7.0

newer plane, good staff

need better and more food options, more often

ATL
CLE
Okay 4.0

OLD plane without comfort or entertainment

AMS
IAH
Good 7.3

Per usual, KLM can't seem to figure out the order of boarding the plane. Should be business - priority - everyone else. Instead they do priority first, and that's usually two-thirds of the passengers. Strange choice of in-flight movies; no accounting for taste, I guess.

ATL
CLE
Okay 4.6

old plane, tight and uncomfortable

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