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Cheap flights from Southampton to Bangkok from £438

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BKK
3 May — 10 May1
1 adult
1 adult, Economy, 0 bags

Cheap 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 3 April 2026.

Wed 13/509:20
SOU
-
BKK
2 stops32h 30m
Multiple Airlines
Wed 20/509:15
BKK
-
SOU
2 stops29h 25m
Multiple Airlines
Deal found 29/3£534
Mon 18/520:00
SOU
-
BKK
2 stops28h 30m
Multiple Airlines
Sun 24/509:40
BKK
-
SOU
2 stops29h 00m
Multiple Airlines
Deal found 29/3£557
Sat 16/520:00
SOU
-
BKK
2 stops34h 10m
Multiple Airlines
Sat 23/509:40
BKK
-
SOU
2 stops28h 55m
Multiple Airlines
Deal found 31/3£558
Wed 29/409:20
SOU
-
BKK
2 stops27h 40m
Multiple Airlines
Tue 5/503:15
BKK
-
SOU
2 stops35h 25m
Multiple Airlines
Deal found 1/4£559
Fri 8/520:00
SOU
-
BKK
2 stops45h 50m
Multiple Airlines
Tue 12/509:15
BKK
-
SOU
2 stops28h 50m
Multiple Airlines
Deal found 30/3£590
Tue 19/520:00
SOU
-
BKK
2 stops28h 15m
Multiple Airlines
Tue 26/515:55
BKK
-
SOU
2 stops33h 35m
Multiple Airlines
Deal found 29/3£592
Sun 17/517:20
SOU
-
BKK
2 stops18h 50m
Multiple Airlines
Sun 24/509:40
BKK
-
SOU
2 stops29h 00m
Multiple Airlines
Deal found 2/4£596
Thu 30/420:00
SOU
-
BKK
2 stops45h 50m
Multiple Airlines
Thu 7/521:00
BKK
-
SOU
2 stops25h 50m
Multiple Airlines
Deal found 30/3£615

Find 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 3 April 2026.

Round-trip from

£534

One-way from

£438

Popular in

December

Cheapest in

May

Average price

£1,001
13/5-20/5
  • 13/5-20/5
  • 4 total stops
  • 61h 55m total
  • Southampton to Bangkok
Search Deals
9/4
  • 9/4
  • 2 total stops
  • 22h 05m total
  • Southampton to Bangkok
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£140 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£43 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 3 April 2026.
Use the filters below to find and compare flights from Southampton to Bangkok that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 8/9

09:05-09:30

1 stop18h 25m

Bangkok Suvarnabhumi

Mon 5/10

12:05-16:50

1 stop34h 45m

£686

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sat 9/5

09:10-12:55

2 stops21h 45m

Bangkok Suvarnabhumi

Mon 25/5

02:05-19:30

2 stops23h 25m

£773

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Fri 8/5

20:00-07:05

2 stops29h 05m

Bangkok Suvarnabhumi

Mon 25/5

02:05-19:30

2 stops23h 25m

£773

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sun 26/4

09:10-13:05

2 stops21h 55m

Bangkok Suvarnabhumi

Fri 26/6

21:05-19:30

2 stops28h 25m

£813
Fastest return journey

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sun 17/5

09:10-13:05

2 stops21h 55m

Bangkok Suvarnabhumi

Tue 26/5

02:30-19:30

2 stops23h 00m

£822

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Thu 7/5

09:10-20:45

2 stops29h 35m

Bangkok Suvarnabhumi

Sun 10/5

02:05-19:30

2 stops23h 25m

£844

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sat 9/5

09:10-12:55

2 stops21h 45m

Bangkok Suvarnabhumi

Sat 23/5

02:05-19:30

2 stops23h 25m

£848

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Mon 27/4

09:10-13:05

2 stops21h 55m

Bangkok Suvarnabhumi

Sat 27/6

02:30-19:30

2 stops23h 00m

£884

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Thu 30/4

20:00-19:50

2 stops41h 50m

Bangkok Suvarnabhumi

Sun 31/5

02:30-19:30

2 stops23h 00m

£972
Cheapest one-way

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Thu 9/4

09:20-13:25

2 stops22h 05m

£438

Flights are sorted by cheapest return flights first.

Deals found on 31/3

Showing 1-10 of 15 resultsSorted by cheapest first
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, November is the cheapest month in which you can book a flight from Southampton to Bangkok (average of £308). Flying from Southampton to Bangkok in August is currently the most expensive (average of £502). 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.

How much does it cost for a return flight from Southampton to Bangkok?

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 3 April 2026.
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
1,485 reviews
Check prices

Boarding

7.8

Overall

7.7

Crew

8.4

Entertainment

7.1

Comfort

7.6

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,485 reviews
KLM
7.7
Good
1,485 reviews
Check prices

Boarding

7.8

Overall

7.7

Crew

8.4

Entertainment

7.1

Comfort

7.6

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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?

    KLM and Qatar Airways can get you from Southampton to Bangkok in just under 18h 25m. Your travel time can differ by up to 3h 20m. 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 £572, 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 37% 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, November is the cheapest month in which you can book a flight from Southampton to Bangkok (average of £308). Flying from Southampton to Bangkok in August is currently the most expensive (average of £502). 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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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 3 April 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£572Average£1,006FlexibilityNo 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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