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Cheap flights from London Heathrow Airport to Rayong from £492

LHR — UTP
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Rayong

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Rayong

Sat 28/1120:05 -
2 stops37h 45m
Fri 11/1213:00 -
2 stops39h 40m
Deal found 30/10£730
Wed 11/1115:30 -
2 stops42h 20m
Wed 2/1213:00 -
2 stops32h 00m
Deal found 27/10£817
Tue 1/1221:50 -
2 stops36h 00m
Tue 15/1215:20 -
2 stops27h 45m
Deal found 26/10£834
Tue 17/1113:55 -
2 stops19h 55m
Fri 27/1113:00 -
2 stops36h 10m
Deal found 26/10£870
Tue 24/1109:00 -
2 stops24h 50m
Tue 1/1213:00 -
2 stops35h 50m
Deal found 27/10£872
Thu 3/1215:50 -
2 stops42h 00m
Sat 19/1213:00 -
2 stops34h 10m
Deal found 28/10£919
Wed 2/1219:00 -
2 stops38h 50m
Sat 19/1213:00 -
2 stops34h 10m
Deal found 28/10£927
Fri 4/1209:10 -
2 stops24h 40m
Sat 19/1213:00 -
2 stops34h 10m
Deal found 28/10£939

Find flight deals from Heathrow to Rayong

Round-trip from

£704

One-way from

£492

Popular in

December

Cheapest in

September

Average price

£605
17/2-3/3
  • 17/2-3/3
  • 4 total stops
  • 74h 20m total
  • London to Rayong
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3/1-31/12
  • 3/1-31/12
  • 3 total stops
  • 60h 40m total
  • London to Rayong
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£38 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Rayong that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonRayong

LHR London Heathrow - UTP Utapao Rayong Pattaya

LHRUTP

London Heathrow

Wed 6/1

08:40-16:50

2 stops25h 10m

Utapao Rayong Pattaya

Wed 31/12

00:00-18:00

Nonstop0h 00m

£669

LondonRayong

LHR London Heathrow - UTP Utapao Rayong Pattaya

LHRUTP

London Heathrow

Mon 4/1

19:20-16:50

2 stops38h 30m

Utapao Rayong Pattaya

Wed 31/12

00:00-18:00

Nonstop0h 00m

£669

LondonRayong

LHR London Heathrow - UTP Utapao Rayong Pattaya

LHRUTP

London Heathrow

Tue 5/1

20:55-16:50

2 stops36h 55m

Utapao Rayong Pattaya

Wed 31/12

00:00-18:00

Nonstop0h 00m

£669

LondonRayong

LHR London Heathrow - UTP Utapao Rayong Pattaya

LHRUTP

London Heathrow

Fri 1/1

20:55-16:50

2 stops36h 55m

Utapao Rayong Pattaya

Wed 31/12

00:00-18:00

Nonstop0h 00m

£689

LondonRayong

LHR London Heathrow - UTP Utapao Rayong Pattaya

LHRUTP

London Heathrow

Sat 2/1

08:40-16:50

2 stops25h 10m

Utapao Rayong Pattaya

Wed 31/12

00:00-18:00

Nonstop0h 00m

£689

LondonRayong

LHR London Heathrow - UTP Utapao Rayong Pattaya

LHRUTP

London Heathrow

Thu 31/12

20:55-16:50

2 stops36h 55m

Utapao Rayong Pattaya

Wed 31/12

00:00-18:00

Nonstop0h 00m

£756

LondonRayong

LHR London Heathrow - UTP Utapao Rayong Pattaya

LHRUTP

London Heathrow

Sat 19/12

20:55-16:50

2 stops36h 55m

Utapao Rayong Pattaya

Wed 31/12

00:00-18:00

Nonstop0h 00m

£1,081

LondonRayong

LHR London Heathrow - UTP Utapao Rayong Pattaya

LHRUTP

London Heathrow

Fri 18/12

08:40-16:50

2 stops25h 10m

Utapao Rayong Pattaya

Wed 31/12

00:00-18:00

Nonstop0h 00m

£1,086

LondonRayong

LHR London Heathrow - UTP Utapao Rayong Pattaya

LHRUTP

London Heathrow

Mon 28/12

08:40-16:50

2 stops25h 10m

Utapao Rayong Pattaya

Wed 31/12

00:00-18:00

Nonstop0h 00m

£1,090
Fastest return journey

LondonRayong

LHR London Heathrow - UTP Utapao Rayong Pattaya

LHRUTP

London Heathrow

Sun 27/12

13:55-16:50

2 stops19h 55m

Utapao Rayong Pattaya

Wed 31/12

00:00-18:00

Nonstop0h 00m

£1,552

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Rayong

Have a flexible travel schedule? Discover the best time to fly to Rayong from Heathrow with our price prediction graph.
Estimated return price

Reviews of airlines servicing Rayong

Check out reviews from past customers who have flown with Etihad Airways from London Heathrow Airport to Rayong to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Etihad Airways
7.3
Good
1,552 reviews
Check prices

Comfort

7.3

Entertainment

7.2

Overall

7.3

Boarding

7.6

Food

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Humera,Oct 2026

KHI - AUH

Not sure why, but somehow, my daughter’s ticket was bought such that it did not allow any checked baggage’s. This is quite ironic because this is an international flight is not going from Sister city to another Sister city it is going from one continent to a very different continent. How is it assumed that a person will not have any luggage.? I never even knew that international flights could have such a policy where there are tickets that would not have checked luggage included seriously?! At the counter when we learned this the amount of money they were asking for to check the bags was $260 each bag. For two bags that’s slightly more than what I paid for the return ticket. They could have charged $100 or $125 for each bag just like when the bag is over weight. This is extremely ridiculous., very disappointed, especially when the crew at the airport was not even cooperative in coming up with some solution. My daughter had told myself flight and is now flying back via Qatar Airways. Extremely disappointed with Etihad airways.
Etihad Airways
7.3
Good
1,552 reviews
Etihad Airways
7.3
Good
1,552 reviews
Check prices

Comfort

7.3

Entertainment

7.2

Overall

7.3

Boarding

7.6

Food

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Humera,Oct 2026

KHI - AUH

Not sure why, but somehow, my daughter’s ticket was bought such that it did not allow any checked baggage’s. This is quite ironic because this is an international flight is not going from Sister city to another Sister city it is going from one continent to a very different continent. How is it assumed that a person will not have any luggage.? I never even knew that international flights could have such a policy where there are tickets that would not have checked luggage included seriously?! At the counter when we learned this the amount of money they were asking for to check the bags was $260 each bag. For two bags that’s slightly more than what I paid for the return ticket. They could have charged $100 or $125 for each bag just like when the bag is over weight. This is extremely ridiculous., very disappointed, especially when the crew at the airport was not even cooperative in coming up with some solution. My daughter had told myself flight and is now flying back via Qatar Airways. Extremely disappointed with Etihad airways.

Related info for your journey

  • What airport do you fly into for flights to Rayong from London Heathrow?

    Located just 17.0 mi from the city center, Utapao Rayong Pattaya is the airport most travelers will use when flying to Rayong from London Heathrow. Booking flights from London Heathrow to Utapao Rayong Pattaya (UTP) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 1 airline.

  • What is the cheapest airline to fly from London Heathrow Airport to Rayong round-trip?

    Cheapflights users have booked flights from London Heathrow Airport to Rayong round-trip from £691.

  • Can I find deals for flights from Heathrow to Rayong that include hotel bookings?

    Yes. In addition to deals on Heathrow to Rayong flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Rayong?

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

  • Can I find deals for business class flights from Heathrow to Rayong?

    Yes. Cheapflights offers flight deals from Heathrow to Rayong by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Heathrow to Rayong

AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest£691Average£809FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights

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