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

Currently priced at £564, 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.

In terms of precipitation, rainfall in Bangkok 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 Bangkok when rainfall is around 10.0 mm.

If weather is an important factor for your trip to Bangkok, 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).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Southampton to Bangkok as you normally would.

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.

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.

£298+ Cheap Flights from Southampton to Bangkok

Cheap flight deals from Southampton to Bangkok

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 21 September 2026.

Thu 24/920:00 -

2 stops28h 45m

Fri 16/1013:50 -

2 stops33h 00m

Deal found 18/9£640

Tue 3/1120:00 -

2 stops32h 35m

Tue 10/1108:30 -

2 stops42h 00m

Deal found 18/9£654

Sun 18/1020:00 -

2 stops34h 10m

Sun 25/1008:30 -

2 stops31h 20m

Deal found 20/9£664

Wed 4/1109:20 -

2 stops25h 25m

Wed 11/1120:50 -

2 stops22h 05m

Deal found 20/9£665

Fri 25/909:25 -

2 stops26h 45m

Fri 2/1013:50 -

2 stops35h 40m

Deal found 20/9£667

Sat 31/1009:20 -

2 stops27h 05m

Sat 7/1114:40 -

2 stops28h 15m

Deal found 16/9£698

Sun 1/1109:20 -

3 stops30h 35m

Sun 8/1108:30 -

2 stops34h 25m

Deal found 17/9£713

Find flight deals from Southampton to Bangkok

Round-trip from	£654
One-way from	£298
Popular in	December
Cheapest in	June
Average price	£649

3/11-10/11
4 total stops
74h 35m total
Southampton to Bangkok

Search Deals

30/9-31/12
3 total stops
34h 20m total
Southampton to Bangkok

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£143 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 September 2026

Search Deals

Cheapflights Fare Finder

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 Southampton Eastleigh - BKK Bangkok Suvarnabhumi

SOUBKK

Southampton Eastleigh

Mon 28/9

19:20-12:30

2 stops35h 10m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£322

SouthamptonBangkok

SOU Southampton Eastleigh - BKK Bangkok Suvarnabhumi

SOUBKK

Southampton Eastleigh

Fri 2/10

20:00-17:25

3 stops39h 25m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£410

SouthamptonBangkok

SOU Southampton Eastleigh - BKK Bangkok Suvarnabhumi

SOUBKK

Southampton Eastleigh

Thu 1/10

20:00-14:25

2 stops36h 25m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£461

SouthamptonBangkok

SOU Southampton Eastleigh - BKK Bangkok Suvarnabhumi

SOUBKK

Southampton Eastleigh

Tue 29/9

20:00-14:25

2 stops36h 25m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£471

SouthamptonBangkok

SOU Southampton Eastleigh - BKK Bangkok Suvarnabhumi

SOUBKK

Southampton Eastleigh

Wed 30/9

20:00-12:55

2 stops34h 55m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£472

Fastest return journey

SouthamptonBangkok

SOU Southampton Eastleigh - BKK Bangkok Suvarnabhumi

SOUBKK

Southampton Eastleigh

Thu 5/11

09:20-19:25

2 stops27h 05m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£473

SouthamptonBangkok

SOU Southampton Eastleigh - BKK Bangkok Suvarnabhumi

SOUBKK

Southampton Eastleigh

Thu 8/10

20:00-20:25

2 stops42h 25m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£475

SouthamptonBangkok

SOU Southampton Eastleigh - BKK Bangkok Suvarnabhumi

SOUBKK

Southampton Eastleigh

Sat 31/10

09:20-19:25

2 stops27h 05m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£481

SouthamptonBangkok

SOU Southampton Eastleigh - BKK Bangkok Suvarnabhumi

SOUBKK

Southampton Eastleigh

Fri 2/10

20:00-07:35

2 stops29h 35m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£483

SouthamptonBangkok

SOU Southampton Eastleigh - BKK Bangkok Suvarnabhumi

SOUBKK

Southampton Eastleigh

Fri 9/10

20:00-14:25

2 stops36h 25m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£484

Flights are sorted by cheapest return flights first.

Deals found on 18/9

Showing 1-10 of 21 resultsSorted by cheapest first

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.

SOU-TH1

SOU-BKK

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

SOU-TH1

SOU-BKK

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

Airfare is below average for this route at the moment.

Southampton to Bangkok flights typically cost between £786 and £862 in November.
The cheapest return price found within the last 5 days was £654 on Multiple Airlines (3 Nov–10 Nov).

Reviews of airlines servicing Bangkok

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

1,575 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

KLM

7.8

Good

1,575 reviews

KLM

7.8

Good

1,575 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Related info for your journey

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.
What is the cheapest airline to fly from Southampton to Bangkok round-trip?
Currently priced at £564, 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

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Flights by cabin class

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Alternative routes for Southampton to Bangkok

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Top airline flying from Southampton to Bangkok

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest£564	Average£1,039	FlexibilityNo cancel fee	On-time75%	Search KLM flights

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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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Cheap flights from Southampton to Bangkok from £298

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Southampton to Bangkok

Cheapest flights from Southampton to BangkokExplore 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 21 September 2026.

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 21 September 2026.

Best flights from Southampton to BangkokDiscover carefully curated flight deals from Southampton to Bangkok that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Discover carefully curated flight deals from Southampton to Bangkok that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Last-minute flights from Southampton to BangkokDiscover last-minute flight deals from Southampton to Bangkok. Data last updated 21 September 2026 and is based on user searches.

Discover last-minute flight deals from Southampton to Bangkok. Data last updated 21 September 2026 and is based on user searches.

One-way flights from Southampton to BangkokSearch for one-way flight options from Southampton to Bangkok. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.

Search for one-way flight options from Southampton to Bangkok. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.

Find flight deals from Southampton to Bangkok

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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

Airfare is below average for this route at the moment.

Southampton to Bangkok flights typically cost between £786 and £862 in November.The cheapest return price found within the last 5 days was £654 on Multiple Airlines (3 Nov–10 Nov).

Reviews of airlines servicing Bangkok

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.

Related info for your journey

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

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

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

How can I find direct flights from Southampton to Bangkok?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Southampton to Bangkok

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Bangkok by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Thailand

Book a non-stop flight to one of these other cities located in Thailand.

Search flights from Southampton to Bangkok by cabin class

Find flights from Southampton to Bangkok, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Southampton and Bangkok flights

Browse other Southampton and Bangkok flight options. Last updated on 21 September 2026.

Other flights from Southampton

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Top airline flying from Southampton to Bangkok

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

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

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

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

100% Free

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Travel Smart

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 21 September 2026.

Best flights from Southampton to Bangkok
Discover carefully curated flight deals from Southampton to Bangkok that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Last-minute flights from Southampton to Bangkok
Discover last-minute flight deals from Southampton to Bangkok. Data last updated 21 September 2026 and is based on user searches.

One-way flights from Southampton to Bangkok
Search for one-way flight options from Southampton to Bangkok. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.

Southampton to Bangkok flights typically cost between £786 and £862 in November.
The cheapest return price found within the last 5 days was £654 on Multiple Airlines (3 Nov–10 Nov).