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Cheap First Class flights to Thailand

LHR — BKK
18 May — 25 May1
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 18 April 2026.

Average Price

£1,279

Cheapest Price

£843

Top Rated Airline

Qatar Airways

No. of Airlines

11
Average for return first class flights in April 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 18 April 2026.

Thu 30/420:45
LHR
-
BKK
1 stop16h 15m
Etihad Airways
Sat 16/520:40
BKK
-
LHR
1 stop24h 25m
Etihad Airways
Deal found 16/4£3,152
Thu 14/520:45
LHR
-
BKK
1 stop16h 15m
Etihad Airways
Thu 21/520:40
BKK
-
LHR
1 stop16h 20m
Etihad Airways
Deal found 14/4£3,332
Wed 13/520:45
LHR
-
BKK
1 stop16h 15m
Etihad Airways
Sun 7/620:40
BKK
-
LHR
1 stop24h 25m
Etihad Airways
Deal found 14/4£3,369
Sat 16/520:45
LHR
-
BKK
1 stop16h 15m
Etihad Airways
Tue 26/520:40
BKK
-
LHR
1 stop24h 25m
Etihad Airways
Deal found 17/4£3,388
Mon 18/520:45
LHR
-
BKK
1 stop16h 15m
Etihad Airways
Mon 25/520:40
BKK
-
LHR
1 stop24h 25m
Etihad Airways
Deal found 15/4£3,389
Mon 18/520:45
LHR
-
BKK
1 stop16h 15m
Etihad Airways
Tue 26/520:40
BKK
-
LHR
1 stop24h 25m
Etihad Airways
Deal found 16/4£3,392

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.

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

Currently, May is the cheapest month in which you can book a First Class flight from United Kingdom to Thailand (average of £3,683). Flying from United Kingdom to Thailand in August is currently the most expensive (average of £5,316). 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.

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).

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 18 April 2026.

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

    Normally, First Class flights to Thailand fall around £1,279 per ticket. However, £843 is the cheapest rate for this flight found recently (this flight took off from London Heathrow Airport).

  • How much do Business Class flight tickets to Thailand cost?

    About £1,138 per person. If you plan to fly Business Class to Thailand, note that Business Class cabin tickets are usually 12% lower than First Class cabin tickets.

  • 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, May is the cheapest month in which you can book a First Class flight from United Kingdom to Thailand (average of £3,683). Flying from United Kingdom to Thailand in August is currently the most expensive (average of £5,316). 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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