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Cheap flights from Southampton to Bangkok from £412

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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BKK
9 Jul — 16 Jul1
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 9 June 2026.

Wed 10/617:20
SOU
-
BKK
1 stop34h 10m
KLM
Wed 17/612:05
BKK
-
SOU
1 stop26h 30m
KLM
Deal found 5/6£638
Thu 3/917:20
SOU
-
BKK
1 stop34h 10m
KLM
Wed 30/912:05
BKK
-
SOU
1 stop26h 30m
KLM
Deal found 9/6£642
Tue 8/917:20
SOU
-
BKK
1 stop34h 10m
KLM
Mon 5/1012:05
BKK
-
SOU
1 stop26h 30m
KLM
Deal found 9/6£685
Tue 9/609:05
SOU
-
BKK
1 stop18h 25m
KLM
Thu 25/611:25
BKK
-
SOU
2 stops27h 10m
KLM
Deal found 6/6£698

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 9 June 2026.

Round-trip from

£642

One-way from

£412

Popular in

December

Cheapest in

June

Average price

£565
KLM
  • KLM
  • 3/9-30/9
  • 2 total stops
  • 60h 40m total
  • Southampton to Bangkok
Search Deals
1/7
  • 1/7
  • 2 total stops
  • 24h 30m total
  • Southampton to Bangkok
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£135 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£42 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 9 June 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

17:20-09:30

1 stop34h 10m

Bangkok Suvarnabhumi

Mon 5/10

12:05-08:35

1 stop26h 30m

£716

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Thu 12/11

09:20-12:15

2 stops19h 55m

Bangkok Suvarnabhumi

Tue 24/11

18:55-19:30

2 stops31h 35m

£836

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 1/9

09:15-13:25

2 stops22h 10m

Bangkok Suvarnabhumi

Tue 29/9

21:05-19:30

2 stops28h 25m

£838
Fastest return journey

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 24/11

09:20-12:15

2 stops19h 55m

Bangkok Suvarnabhumi

Sun 13/12

02:00-19:30

2 stops24h 30m

£842

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 24/11

09:20-12:15

2 stops19h 55m

Bangkok Suvarnabhumi

Tue 15/12

02:00-19:30

2 stops24h 30m

£842

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Fri 3/7

20:00-07:15

2 stops29h 15m

Bangkok Suvarnabhumi

Thu 23/7

09:15-19:30

2 stops40h 15m

£855

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Fri 20/11

20:00-12:15

2 stops33h 15m

Bangkok Suvarnabhumi

Thu 10/12

20:30-19:30

2 stops30h 00m

£868

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Fri 27/11

20:00-12:15

2 stops33h 15m

Bangkok Suvarnabhumi

Wed 16/12

02:00-19:30

2 stops24h 30m

£868

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sun 29/11

09:20-18:25

2 stops26h 05m

Bangkok Suvarnabhumi

Sun 24/1

18:55-19:30

2 stops31h 35m

£892

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Fri 19/6

20:00-07:15

2 stops29h 15m

Bangkok Suvarnabhumi

Wed 1/7

02:30-19:30

2 stops23h 00m

£894

Flights are sorted by cheapest return flights first.

Deals found on 7/6

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
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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

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 9 June 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
7.8
Good
1,527 reviews
Check prices

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,527 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 19h 55m. Your travel time can differ by up to 14h 15m. 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 £565, 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 38% 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.

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.
Heathrow to Suvarnabhumi flights
Gatwick to Suvarnabhumi flights
Stansted to Suvarnabhumi flights
London City to Suvarnabhumi flights
Heathrow to Don Mueang Intl flights
Manchester to Suvarnabhumi flights
Gatwick to Don Mueang Intl flights
Luton to Suvarnabhumi flights
Manchester to Don Mueang Intl flights
Heathrow to Phuket City flights
Birmingham to Suvarnabhumi flights
Gatwick to Phuket City flights
Stansted to Phuket City flights
London City to Phuket City flights
Newcastle upon Tyne to Suvarnabhumi flights
Birmingham to Don Mueang Intl flights
Manchester to Phuket City flights
Edinburgh to Suvarnabhumi flights
Heathrow to Ko Samui flights
Newcastle upon Tyne to Don Mueang Intl flights
Southend to Suvarnabhumi flights
Gatwick to Ko Samui flights
Southampton to Suvarnabhumi flights
London City to Ko Samui flights
Heathrow to Chiang Mai flights
Luton to Phuket City flights
Heathrow to Krabi flights
Stansted to Ko Samui flights
Stansted to Chiang Mai flights
Gatwick to Chiang Mai flights
Edinburgh to Don Mueang Intl flights
Birmingham to Phuket City flights
Gatwick to Krabi flights
London City to Chiang Mai flights
Stansted to Krabi flights
Bristol to Suvarnabhumi flights
Leeds to Suvarnabhumi flights
Norwich to Suvarnabhumi flights
Grimsby to Suvarnabhumi flights
Liverpool to Suvarnabhumi flights
Manchester to Krabi flights
Manchester to Ko Samui flights
Edinburgh to Phuket City flights
London City to Krabi flights
Manchester to Chiang Mai flights
East Midlands to Suvarnabhumi flights
Birmingham to Ko Samui flights
Southampton to Phuket City flights
Newcastle upon Tyne to Phuket City flights

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 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£565Average£1,041FlexibilityNo 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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