LHR

฿6,107 Find Cheap Flights to London Heathrow Airport – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
฿23,249
Typical prices: ฿29,193-฿41,150
เอทิฮัดแอร์เวย์
Sun 25/11Wed 5/12
CNX - LHR • 1 stop
Cheapest direct flights
฿35,261
Typical prices: ฿36,268-฿42,389
Thai Airways, EVA Air
Mon 5/11Fri 9/11
BKK - LHR • Direct
Direct flights
You can fly direct with Thai Airways, EVA Air, and เวอร์จินแอตแลนติก. Average duration is 13h 24m
FAQs
FAQs
Top airlines
Most flights • 14 per week
Best reviews • 8.5 score
Airline reviews
+1
Airline reviews
+1
Top routes
Cheapest • 31% average savings
Most popular
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 12 weeks in advance save around 11% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 13% price drop
Most popular
Good to know
+1
Good to know
+1
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We hope you enjoy your trip to London Heathrow Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights to Heathrow

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals to Heathrow

Wed 25 Nov - Sat 5 Dec
Multiple Airlines Logo
09:10 - 18:10CNX  Chiang Mai-LHR London Heathrow
16h 00m1 stop Abu Dhabi Zayed Intl
Multiple Airlines Logo
21:10 - 07:50LHR  London Heathrow-CNX Chiang Mai
27h 40m2 stops Shenzhen Bangkok Suvarnabhumi
฿23,249Multiple Airlines
Thu 5 Nov - Sun 29 Nov
Multiple Airlines Logo
09:10 - 18:10CNX  Chiang Mai-LHR London Heathrow
16h 00m1 stop Abu Dhabi Zayed Intl
Multiple Airlines Logo
07:50 - 14:20LHR  London Heathrow-CNX Chiang Mai
47h 30m2 stops Dublin Shanghai Pu Dong
฿23,451Multiple Airlines
Sat 21 Nov - Wed 17 Feb
Finnair Logo
11:15 - 09:10BKK  Bangkok Suvarnabhumi-LHR London Heathrow
28h 55m1 stop Helsinki-Vantaa
Finnair Logo
07:30 - 06:05LHR  London Heathrow-BKK Bangkok Suvarnabhumi
15h 35m1 stop Helsinki-Vantaa
฿28,951Finnair
Mon 1 Feb - Fri 12 Feb
โอมานแอร์ Logo
19:10 - 18:25BKK  Bangkok Suvarnabhumi-LHR London Heathrow
30h 15m1 stop Muscat Seeb
โอมานแอร์ Logo
08:25 - 06:45LHR  London Heathrow-BKK Bangkok Suvarnabhumi
15h 20m1 stop Muscat Seeb
฿29,153โอมานแอร์
Sun 22 Nov - Mon 30 Nov
โอมานแอร์ Logo
09:00 - 18:25BKK  Bangkok Suvarnabhumi-LHR London Heathrow
16h 25m1 stop Muscat Seeb
โอมานแอร์ Logo
08:25 - 06:45LHR  London Heathrow-BKK Bangkok Suvarnabhumi
15h 20m1 stop Muscat Seeb
฿29,727โอมานแอร์
Mon 30 Nov - Wed 9 Dec
เอทิฮัดแอร์เวย์ Logo
20:50 - 06:40BKK  Bangkok Suvarnabhumi-LHR London Heathrow
16h 50m1 stop Abu Dhabi Zayed Intl
เอทิฮัดแอร์เวย์ Logo
13:55 - 23:40LHR  London Heathrow-BKK Bangkok Suvarnabhumi
26h 45m1 stop Abu Dhabi Zayed Intl
฿30,132เอทิฮัดแอร์เวย์
Sun 22 Nov - Mon 30 Nov
Finnair Logo
11:15 - 09:10BKK  Bangkok Suvarnabhumi-LHR London Heathrow
28h 55m1 stop Helsinki-Vantaa
Finnair Logo
16:15 - 09:40LHR  London Heathrow-BKK Bangkok Suvarnabhumi
34h 25m1 stop Helsinki-Vantaa
฿30,436Finnair
Sat 30 Jan - Sun 7 Feb
เอทิฮัดแอร์เวย์ Logo
02:55 - 14:30BKK  Bangkok Suvarnabhumi-LHR London Heathrow
18h 35m1 stop Abu Dhabi Zayed Intl
เอทิฮัดแอร์เวย์ Logo
20:55 - 23:40LHR  London Heathrow-BKK Bangkok Suvarnabhumi
19h 45m1 stop Abu Dhabi Zayed Intl
฿30,706เอทิฮัดแอร์เวย์
Wed 10 Feb - Thu 18 Feb
Emirates Logo
12:00 - 11:40KBV  Krabi-LHR London Heathrow
30h 40m1 stop Dubai Intl
Emirates Logo
22:00 - 19:45LHR  London Heathrow-KBV Krabi
14h 45m1 stop Dubai Intl
฿31,954Emirates
Tue 9 Feb - Thu 18 Feb
Emirates Logo
12:00 - 07:10KBV  Krabi-LHR London Heathrow
26h 10m1 stop Dubai Intl
Emirates Logo
09:10 - 19:45LHR  London Heathrow-KBV Krabi
27h 35m1 stop Dubai Intl
฿31,954Emirates
Booking Insights

Price, demand, and travel trends for flights to London Heathrow Airport

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

What is the cheapest flight to London Heathrow Airport?

Chiang Mai to London Heathrow Airport is the cheapest route at ฿23,249 return, found in the past 5 days on KAYAK. Bangkok Suvarnabhumi Airport to London Heathrow Airport is the most popular connection with return deals from ฿28,951.

How much is a flight to London Heathrow Airport?

On average, a return flight from Thailand to London Heathrow Airport costs ฿35,133, based on KAYAK data over the past 12 months. Return fares from Krabi average ฿25,262, while Phuket City runs a bit higher at ฿32,588.

What is the cheapest day to fly to London Heathrow Airport?

Tuesday is the cheapest day to fly to London Heathrow Airport at ฿34,485 return on average over the past 12 months on KAYAK. Monday is the most expensive at ฿37,589.

What is the cheapest month to fly to London Heathrow Airport?

•February is the cheapest month to fly to London Heathrow Airport with an average price of ฿30,706 return.
•July (฿38,399) and August (฿37,690) are the most expensive.

Based on KAYAK data over the past 12 months.

What is the cheapest time of day to fly to London Heathrow Airport?

Evening flights to London Heathrow Airport are the cheapest at ฿29,660 return on average. Afternoon flights are the most expensive at ฿38,163.

What is a good deal for flights to London Heathrow Airport?

Flights under ฿29,193 are considered a good deal. 25% of KAYAK users found return flights to London Heathrow Airport at or below these prices, with the lowest fares from:
•Krabi ฿18,913
•Bangkok Suvarnabhumi Airport ฿27,252
•Phuket City ฿27,444.

When are flights to London Heathrow Airport the cheapest?

Flights to London Heathrow Airport are cheapest 12 weeks before departure. Booking in this window typically costs about 11% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for flights to London Heathrow Airport

Low season

February

Cheapest flight

฿6,107
Beat the crowds with an average 37% drop in travellers.
The most popular month to fly with an average 47% increase in travellers.
One-way flight from Chiang Mai to London Heathrow Airport

When to book flights to Heathrow

Are your dates flexible? Find out the best times to travel to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your questions about flights to London Heathrow Airport, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • How do I know if a flight to London Heathrow Airport is a good deal?

    A good deal on a flight to London Heathrow Airport is around ฿29,193 return. This fare is in the lowest 25% of return flight prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

  • How long are direct flights to London Heathrow Airport from different departure cities?

    Direct flight time to London Heathrow Airport varies depending on your departure city:

    • From Phuket City: 13h 10m
    • From Bangkok Suvarnabhumi Airport: 13h 10m

  • Which city has the cheapest flights to London Heathrow Airport?

    Based on fares booked in the past 5 days, the cheapest flights to London Heathrow Airport are from Bangkok, starting at ฿28,951 return.

  • How expensive are last-minute flights to London Heathrow Airport?

    Last-minute fares to London Heathrow Airport (booked within two weeks of departure) are typically 4% higher than the average return fare of ฿35,133.

  • What is the difference between the most popular and the most frequent airline at London Heathrow Airport?

    Thai Airways operates the most flights from Thailand to London Heathrow Airport at 14 per week, and for this route Thai Airways is also the airline most often selected by KAYAK users searching for flights from Thailand to London Heathrow Airport. The two are sometimes different because flight volume reflects an airline's schedule, while popularity reflects traveller choice.

  • Which airlines should I consider for flights to London Heathrow Airport?

  • How many flights serve London Heathrow Airport?

    London Heathrow Airport receives 3 flights per day and 24 per week from across the world. Bangkok Suvarnabhumi Airport has the most flights to London Heathrow Airport with 31 weekly flights.

  • Which airports serve London and the surrounding area?

    Flights to London can arrive at several major airports serving the metro area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN). Nearby alternatives within 80.5 km of London include London City (LCY). This airport is not in London itself but may be useful depending on your route, airline, and onward travel plans.

Your guide to booking London Heathrow Airport flights

From booking to airport arrival, find tips to help you plan your flight with more confidence.
  • For the best chance at a low fare to London Heathrow Airport, book around 12 weeks before departure. Based on KAYAK data from the last 12 months, fares are historically about 11% lower during this window than last-minute fares.
  • For flights to London Heathrow Airport, a good return fare is around ฿29,193. If you find a fare below that, you're getting a strong deal.
  • If your travel dates are flexible, consider flying to London Heathrow Airport in February. Return fares historically average ฿30,706, making February the cheapest month to travel based on KAYAK data from the last 12 months.
  • Before you book:

    • Check the route's typical price range so you can spot a deal.
    • Confirm baggage fees and seat selection costs on budget carriers.
    • Verify whether you need any travel documents beyond an ID.
    • Pick a departure airport, since your nearest may not be the cheapest origin.
  • Shift your departure to afternoon to save up to ฿8,503 on a return flight. Afternoon flights to London Heathrow Airport average ฿29,660 compared to ฿38,163 for midday flights.
  • Bag allowances vary by airline, fare type, cabin class, and route. On flights to London Heathrow Airport, some airlines may include bags at no extra cost. For example, Thai Airways includes a cabin bag and a checked bag in Economy class, EVA Air includes a cabin bag and a checked bag in Economy class, and เวอร์จินแอตแลนติก includes a cabin bag and a checked bag in Economy class. Always check the fare details before booking, since bag policies can change by ticket type.
  • Once you arrive in London Heathrow Airport, a few great places to start are Emirates Stadium, New London Theatre, and Marble Arch. These are popular with first-time visitors and can give you a good feel for the area.

Reviews of the top 5 airlines flying to Heathrow

 
Need help choosing which airline to fly with to Heathrow? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.5
EVA AirOverall score based on 1551 reviews
8.1Food
8.4Boarding
8.3Comfort
8.7Crew
8.0Entertainment
Airline reviews

I liked that they gave us a couple of meals and drinks but the meal was not good and not many options especially if we are seated in the back of the plane.

6.0 GoodBrandon, Apr 2026
Read more EVA Air reviews

I liked that they gave us a couple of meals and drinks but the meal was not good and not many options especially if we are seated in the back of the plane.

Excess baggage fees are outrageous ($250 per bag). Flight crew and planes are nice.

Service in BKK was very good at answering our question about our canceled flight from Taipei to San Francisco. Did like the lead time about the canceled flight from Taipei to San Francisco and was not given the best options.

The flight attendants should be nicer, on my first flight I told them I’d prefer a veggie meal sometimes and then she began to lecture me about it, it was a late flight and I wanted an easy digestion meal so that I can sleep quickly. The meals were abit odd, breakfast on my last flight had eggs, oatmeal and fish, did not taste good at all, strange combination. The economy seats are very tight and crowded, not comfortable at all. Overall for the price I paid I thought I was going to get more.

Clean plane, friendly crew, mostly on-time departure. Negativo since there were no snacks offered. Cold drinks only was fine due to turbulence, but nothing to eat? Really?

Except for crying babies all was ok although the movie selection wasn't the best.

I like Eva Air. I’ve been flying it for several years.. I did notice small changes for the worse by the staff. They’re still way above major carriers based in the USA.

Poor food on board, but seats are too small and uncomfortable

1. The entrance to boarding gate G5 (which is at a lower level) is from the walkway (which is at the upper level). That entrance was locked and there was no place for hundreds of people to sit at the upper level, for a long time as the flight was 45 minutes late. 2. The choice of movies on board was extermely limited and poor. 3. The staff was unhelpful and faked politeness.

The flight went well. Everything good. Boarding. Meal service. Snack (crackers) & Drinks. Entertainment was good as I watch 4 movies. The need to have milk for hot black tea though as coffee creamer just never makes tea taste nice.

On the way there the food was not a good Standerd and fly Dubai is very cramped and again the food was not a good Standerd but on the way back food was excellent and staff were very helpful specially a lady which I took time to take her name Maria and another staff which was South African very very polite and helpful i am very sorry that I got her name

Very bad service and food variety will never come back again

My baby was with me it was really good experience with emirates

Fantastic as ever. Great staff super catering and excellent service.

Flight and entertainment great. Food needs to be improved, only one choice on the menu. Staff worked well throughout.

Crew were excellent and the bar service and chat fantastic. Cheese board delicious. Amenity kit good, very disappointing not getting pyjamas on this leg of the flight and needed to reuse from earlier flight.

Everything was superb, only bad point was that the fast track on London Heathrow arrivals was not handed out to me and I had to go back to the gate to collect it.

Superb experience. I hope they bring back the fast track option at Heathrow immigration.

I liked theAVML food. Taste was alright and quantity was enough. Sometimes during the flight I felt that the smell from toilet was coming to the cabin

You can improve in many ways First the crew in general is good, but needs to work with passion to their works not like robots Second, collecting the ear headphones long time before landing is strange The crew should deal with the passengers with respect and descent way not like giving orders

We never got on the flight. It was delayed and we got moved to another flight. It was stressful and no communication involved!!!

I like soft landing with Oman air both ways,food could have been better it was very poor

The seat was uncomfortable for me, less leg space and a tight space.

Really a nice flight. , very comfortable seats and leg space.

Oman Air is on the relation Muscat-Salalah without any serious competition and that's to feel same as the metall bars of your seat in your backside after this flight. Don't expect anything other than being brought from A to B and you won't be disappointed

We missed our connection due to technical issues with the plane. We were stuck in Oman Airport for 5 hours, had to overnight there, got rerouted to London, were denied boarding on the plane, were then seated separately (as a family of 5), did not receive any notification of our luggage being in London, were denied boarding for the AA flight to Chicago, and then all seated separately again. Finally our luggage was lost. Worst experience ever. Will never fly on this airline again

Smooth until we get in the plane it was so small and uncomfortable the whole flight, apparently they have Changed the plane and I don’t know what was the problem this flight is from mct to phuket - on my way back everything was perfect

Although a short regional flight, Oman Air continues to provide excellent service, and personal attention. I always find the Oman Air leg of an international flight less stressful and more personable.

Staff were attentive and professional, and managed to be personable and accomodating at the same time. Oman Air has become my airline of choice.

Reduced cost for children to lounge Children’s area in airport Non spicy snacks Option of children’s meals Good films More children’s games and 2 player games Ran out of vegetarian meals

Excellent service in business class. Well worth the slightly higher fare as it includes lounge access, additional luggage weight and a full hot meal on board.

Gate and boarding processes were handled smoothly and efficiently. Both (connecting) flights departed and arrived on time. The cabin crew seemed anxious and a bit stressed/rushed. Food service was OK, but the hot food dishes were poor quality.

HAVING ANNOUNCEMENTS FOR PEOPLE TO BOARD ACCORDING TO GROUP IS ESSENTIAL N ENSURING N CUTTING OF QUEUES, EXCEPT FOR PRIORITY CLASS PASSENGERS ON A SEPARATE Q

We still get drinks and a snack. Love the gift bags too.

business class is old but still done very well by the team.

Good experience although the boarding gate is at the terminal extension hence need to leave lounge to head over earlier.

Thai Royal First is very good. Easy check in , Private room in the first class lounge and escort from ticketing to the plane. Once on board crew was very polite, food was outstanding, and the ride was smooth as silk. Restrooms were especially clean. Great Experience

Need to improve on punctuality. My flight was delayed by 1 hour.

My case was missing a wheel on arrival Heathrow and the staff were unhelpful when i tried to get some compensation stating it was not sufficient damage, i only wish that they at some point have to deal with the same situation it put me in, maybe they would change their attitude but overall it was a good flight

food poor i said chiken i got pack a pow breakfast lousey .job to explain wot it was ...

Maybe some more information as to why the flight got delayed I understand may be tell your customers that missiles were fired at a specific airport wouldn't be reassuring to the customers and would cause mayhem but something like recent events have cause a delay on your flight or smth

They lost the baggage and said it was deleted from the system. I had baggage tag so was able to file the complaint but there was no PIR number and update so far

It was mediocre. Honestly, the flight was late but that didn’t bother me as I had plenty of time. The only thing that bothered me is that the crew never asked to make the beds for us in business class. Maybe the crew was exhausted and that just didn’t occur to them.

The flight was over 1 hour late taking off ,when I arrived in Abu Dhabi ,I missed my connecting flight to Bangkok so I had to wait almost 6 hours for my flight arriving in Bangkok at 6:30 am ,So I missed a whole day of my vacation and my hotel room sat empty so I paid for hotel days that I was not there. In Abu Dhabi there was a woman that worked the desk at transfers that was so professional, courteous , helpful,and may I say absolutely beautiful .she got me food vouchers for my layover and was a very calming presence. Besides that I will never use Etihad again I will pay the Xtra money . I'm sure they won't read or see this but it's my "2 cents" I'll use an airline that respects me and my hard earned dollars

excellent, staff and boarding were all seamless and no issues, thank you!

I was charged $604 for a bag that weighed 17 kg. I was given three different prices until they landed on the most expensive one and didn't budge a penny. It's ironic and a bit enraging because the total cost of my ticket was $468. I've traveled the world and never experienced these kind of prices for only one piece of checked luggage.

The WiFi was not compatible on both my phones (Vivo Y30 5g and Samsung Galaxy A32) with up-to-date android software.

Old plane, old entertainment system. It wasn't working throughout the entire flight. I was offered to connect to their system via Wifi to watch on my phone. Crew wasn't very helpful except one lady who turned the experience around.

Eine Toilette der Business Class war gesperrt und somit nicht benutzbar.

I could not book in online at all which is what I always do to secure a window seat which is my preference.

Travelling to a place near Heathrow?

Book flights to Heathrow if you plan to visit one of these locations
Harlow
Hounslow
Colchester
Croydon
Worthing
Harrow
Brighton
Slough
Huntingdon
Poole
Canterbury
Feltham
Woodbridge
Ipswich
Chichester
Eastbourne
Guildford
Sutton
Romford
Maidenhead

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