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Cheap First Class flights to Thailand

LHR — BKK
20 Jul — 27 Jul1
1 adult
1 adult, First, 0 bags

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Cheap first class flights to Thailand in 2026

Find the latest flights to Thailand in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data were last updated on 20 June 2026.

Average Price

£1,131

Cheapest Price

£861

Top Rated Airline

Qatar Airways

No. of Airlines

11
Average for return first class flights in June 2026
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The lowest price for a first class flight ticket to Thailand
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Most popular airline to fly first class with to Thailand in the past 7 days
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Cheapest first class flights to Thailand
Explore the most affordable first class flight options available to Thailand. Find the lowest fares based on data from user searches, with prices last updated on 20 June 2026.

Wed 8/720:45
LHR
-
HKT
1 stop33h 45m
Etihad Airways
Tue 14/715:20
HKT
-
LHR
1 stop29h 45m
Etihad Airways
Deal found 19/6£2,848
Thu 16/709:30
LHR
-
HKT
1 stop32h 20m
Etihad Airways
Wed 22/703:20
HKT
-
LHR
1 stop41h 45m
Etihad Airways
Deal found 18/6£3,048
Wed 14/1014:45
LHR
-
BKK
1 stop22h 30m
Etihad Airways
Tue 27/1020:10
BKK
-
LHR
1 stop25h 20m
Etihad Airways
Deal found 16/6£3,077
Mon 5/1021:45
LHR
-
BKK
1 stop15h 30m
Etihad Airways
Tue 20/1020:45
BKK
-
LHR
1 stop24h 20m
Etihad Airways
Deal found 19/6£3,396
Thu 1/1020:45
LHR
-
BKK
1 stop16h 30m
Etihad Airways
Tue 20/1020:45
BKK
-
LHR
1 stop24h 20m
Etihad Airways
Deal found 19/6£3,466
Wed 4/1113:55
LHR
-
HKT
1 stop15h 05m
Etihad Airways
Mon 16/1115:30
HKT
-
LHR
1 stop27h 35m
Etihad Airways
Deal found 16/6£3,473

Travel insights for first class flights from United Kingdom to Thailand

Get recent, data-driven insights about first class flights from United Kingdom to Thailand including ideal travel times, pricing trends, and more.

Which month is the cheapest to fly First Class from the United Kingdom to Thailand?

For First Class flights, the cheapest month to fly this route is June. The most expensive months are August and December.

Rainfall in Thailand by month

Plan your trip to Thailand by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Thailand ranges from 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Thailand when rainfall is around 10.0 mm.

Temperature in Thailand by month

Plan your trip to Thailand by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Thailand, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

How far ahead should I book a First Class flight to Thailand?

Booking a First Class flight 66 days in advance of your planned departure date is, on average, the best time to get cheap flights to Thailand. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Frequently asked questions about Thailand first class tickets

Find answers to common questions related to First Class tickets for flights to Thailand. Get information on booking, amenities, upgrade options, and more. This FAQ section was last updated on 20 June 2026.

  • What is the cheapest price for a First Class ticket to Thailand?

    Normally, First Class flights to Thailand fall around £1,131 per ticket. However, £861 is the cheapest rate for this flight found recently (this flight took off from London Heathrow Airport).

  • How many premium cabins does Thai Airways have for flights to Thailand?

    Thai Airways currently offers a couple premium cabin classes on flights to Thailand: Business Class, Prem Economy Class and First Class. Still not enough? Try taking a look at other airlines or choosing a new departing point for more cabin options.

  • What is the cheapest month to book a First Class flight from United Kingdom to Thailand?

    Currently, June is the cheapest month in which you can book a First Class flight from United Kingdom to Thailand (average of £3,162). Flying from United Kingdom to Thailand in August is currently the most expensive (average of £5,442). 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.

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