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Cheap flights from Southampton to Bangkok from £292

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BKK
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Bangkok

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Bangkok (TH1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 October 2025.

Round-trip from

£653

One-way from

£292

Popular in

July

Cheapest in

May

Average price

£920
11/12-18/12
  • 11/12-18/12
  • 3 total stops
  • 71h 40m total
  • Southampton to Bangkok
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5/1
  • 5/1
  • 2 total stops
  • 36h 15m total
  • Southampton to Bangkok
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£102 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£34 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Find flight deals from Southampton to Bangkok

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to Bangkok
Explore the most affordable flight options available from Southampton to Bangkok. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.

Thu 11/1214:15SOU - BKK
2 stops44h 50mMultiple Airlines
Thu 18/1220:00BKK - SOU
1 stop26h 50mMultiple Airlines
Deal found 27/10£653
Mon 8/1214:35SOU - BKK
2 stops27h 20mMultiple Airlines
Mon 15/1214:20BKK - SOU
2 stops30h 50mMultiple Airlines
Deal found 28/10£693
Sun 30/1109:30SOU - BKK
2 stops26h 05mQatar Airways
Mon 8/1203:00BKK - SOU
2 stops23h 40mQatar Airways
Deal found 27/10£778
Mon 8/1208:40SOU - BKK
1 stop18h 25mKLM
Mon 15/1211:35BKK - SOU
2 stops27h 35mKLM
Deal found 28/10£813
Sun 30/1118:05SOU - BKK
1 stop33h 00mKLM
Tue 9/1212:15BKK - SOU
1 stop26h 55mKLM
Deal found 28/10£862

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Bangkok that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 29 October 2025.
Use the filters below to find and compare flights from Southampton to Bangkok that are best for you.

Fly from

Southampton

Fly to

Bangkok

Route

Depart

Return

Price

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Thu 19/2

20:10-13:05

2 stops33h 55m

Bangkok Suvarnabhumi

Wed 11/3

18:55-19:40

2 stops31h 45m

£754

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Wed 28/1

12:25-13:05

2 stops41h 40m

Bangkok Suvarnabhumi

Wed 11/2

18:55-15:35

2 stops27h 40m

£759

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sun 30/11

09:30-18:35

2 stops26h 05m

Bangkok Suvarnabhumi

Tue 9/12

20:30-15:35

2 stops26h 05m

£780

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 3/3

08:40-10:05

1 stop18h 25m

Bangkok Suvarnabhumi

Tue 24/3

12:15-17:00

1 stop35h 45m

£781

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 13/1

12:25-18:25

2 stops47h 00m

Bangkok Suvarnabhumi

Mon 16/2

08:15-15:35

2 stops38h 20m

£809

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sat 10/1

09:30-18:25

2 stops49h 55m

Bangkok Suvarnabhumi

Sun 15/2

08:15-19:40

2 stops42h 25m

£814

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sun 1/2

09:30-18:25

2 stops25h 55m

Bangkok Suvarnabhumi

Tue 31/3

09:05-19:30

2 stops40h 25m

£829

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sat 10/1

09:30-18:25

2 stops49h 55m

Bangkok Suvarnabhumi

Mon 16/2

09:05-15:35

2 stops37h 30m

£835

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Wed 7/1

09:25-00:45

2 stops32h 20m

Bangkok Suvarnabhumi

Sat 17/1

15:55-17:15

3 stops32h 20m

£866

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sun 11/1

09:30-18:25

2 stops25h 55m

Bangkok Suvarnabhumi

Sun 22/3

03:00-19:40

2 stops23h 40m

£874

Flights are sorted by cheapest return flights first.

Deals found on 27/10

Showing 1-10 of 18 results
1
2

Best time to book a flight from Southampton to Bangkok

Have a flexible travel schedule? Discover the best time to fly to Bangkok from Southampton with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Southampton to Bangkok

What is the cheapest month to book a flight from Southampton to Bangkok?

Currently, December is the cheapest month in which you can book a flight from Southampton to Bangkok (average of £361). Flying from Southampton to Bangkok in July is currently the most expensive (average of £545). 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.

What is the cheapest time of day to fly from SOU to BKK?

Find hourly flight availability from Southampton to Bangkok. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 October 2025.

A simple way to save on the total cost of your ticket is to fly from Southampton to Bangkok in the afternoon. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Bangkok

Get insights into the airlines that provide service to Bangkok. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bangkok. Reviews last updated 29 October 2025.
Read reviews from past customers who have flown with KLM from Southampton to Bangkok. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,406 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,406 reviews
KLM
7.7
Good
1,406 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Bangkok. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Southampton to Bangkok?

    Located just 3.5 mi from the city center, Southampton Eastleigh is the airport most travelers will use when flying to Bangkok from Southampton. Booking flights from Eastleigh (SOU) to Bangkok should be relatively easy as there are 0 daily outbound flights to Bangkok from 1 airline.

  • How long is the flight from Southampton to Bangkok?

    Qatar Airways and KLM can get you from Southampton to Bangkok in just under 18h 25m. Your travel time can differ by up to 15h 30m. Airlines will cover a distance of 5995 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Southampton to Bangkok round-trip?

    Currently priced at £600, KLM will fly you from Southampton to Bangkok and back. In addition to KLM, many other airlines offer competitively priced options for your trip. KLM is currently priced 31% below the average price you’ll pay for this route.

  • Can I find deals for flights from Southampton to Bangkok that include hotel bookings?

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

  • How can I find direct flights from Southampton to Bangkok?

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

  • Can I find deals for business class flights from Southampton to Bangkok?

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

  • What is the cheapest month to book a flight from Southampton to Bangkok?

    Currently, December is the cheapest month in which you can book a flight from Southampton to Bangkok (average of £361). Flying from Southampton to Bangkok in July is currently the most expensive (average of £545). 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.

See more FAQs

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Alternative routes for Southampton to Bangkok

See prices for flight routes from nearby airports that may be better suited for you.
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London City to Krabi flights
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Luton to Ko Samui flights
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Top airline flying from Southampton to Bangkok

Discover the top airline that operate flights from Southampton to Bangkok. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 29 October 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£600Average£783FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Southampton to Bangkok?

When you search for this flight from Southampton to Bangkok, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Southampton to Bangkok?

Millions of users choose and trust Cheapflights to book the best flight deals from Southampton to Bangkok for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Southampton to Bangkok with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Southampton to Bangkok flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Southampton to Bangkok become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Bangkok from Southampton today and book when prices fit your budget.

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