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.

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).

What are the most popular routes from Portsmouth to Thailand?

Most travelers choose Southampton Eastleigh - Bangkok Suvarnabhumi, Southampton Eastleigh - Phuket City or Southampton Eastleigh - Ko Samui when deciding on the best route from Portsmouth to Thailand.

What are the cheapest flights from Portsmouth to Thailand?

The cheapest flight price from Portsmouth to Thailand is £364. On average you can expect to pay £2,566. The most popular route, (Southampton Eastleigh - Bangkok Suvarnabhumi), can usually be booked for £649.

What are the most reliable airlines from Portsmouth to Thailand?

No one likes to see their flight delayed. When booking a flight from Portsmouth to Thailand consider choosing Thai Airways (71%), EVA Air (70%) or Air Canada (67%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Portsmouth to Thailand?

Sichuan Airlines, Air France and Air India are the most popular airlines when flying from Portsmouth to Thailand.

How far in advance should I book a flight from Portsmouth to Thailand?

Find a great deal and save up to 49% by booking at least 57 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Portsmouth to Thailand within the next two weeks, with the cheapest ticket starting at £567.

What is the cheapest month to fly from Portsmouth to Thailand?

May can be a great time to fly to Thailand from Portsmouth with a flight ticket averaging about £634. Cheapflights users have found deals in the month of May for as cheap as £279. The most expensive prices can be found in the month of December.

Can I find deals for flights from Portsmouth to Thailand that include hotel bookings?

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

How can I find direct flights from Portsmouth to Thailand?

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

Can I find deals for business class flights from Portsmouth to Thailand?

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

£372+ Flights from Portsmouth to Thailand

Cheap flight deals from Portsmouth to Thailand

Round-trip from	£649
One-way from	£372
Popular in	December
Cheapest in	May
Average price	£825

KLM
24/9-28/9
4 total stops
69h 05m total
Portsmouth to Thailand

Search Deals

18/10
3 total stops
58h 30m total
Portsmouth to Thailand

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (£42 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from Portsmouth to Thailand

Cheapest flights from Portsmouth to Thailand
Explore the most affordable flight options available from Portsmouth to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 July 2025.

Wed 24/909:20SOU - BKK

2 stops17h 55mKLM

Sun 28/911:35BKK - SOU

2 stops51h 10mKLM

Deal found 9/7£649

Wed 24/909:20SOU - HKT

2 stops22h 45mKLM

Sun 28/921:55HKT - SOU

2 stops40h 50mKLM

Deal found 6/7£734

Tue 18/1109:30SOU - BKK

2 stops26h 15mQatar Airways

Thu 4/1207:35BKK - SOU

2 stops43h 05mQatar Airways

Deal found 9/7£753

Fri 22/818:25SOU - BKK

3 stops35h 55mMultiple Airlines

Fri 29/813:50BKK - SOU

2 stops31h 55mMultiple Airlines

Deal found 8/7£774

Thu 25/917:35SOU - USM

2 stops18h 40mKLM

Mon 29/907:00USM - SOU

2 stops31h 45mKLM

Deal found 9/7£826

Wed 5/1109:30SOU - HKT

2 stops26h 25mQatar Airways

Wed 26/1108:20HKT - SOU

2 stops42h 20mQatar Airways

Deal found 8/7£940

Mon 28/716:30SOU - HKT

2 stops40h 50mMultiple Airlines

Mon 18/822:15HKT - SOU

2 stops27h 10mMultiple Airlines

Deal found 9/7£1,229

Fri 22/818:25SOU - USM

3 stops31h 25mMultiple Airlines

Fri 29/809:15USM - SOU

3 stops36h 30mMultiple Airlines

Deal found 8/7£1,273

Best flights from Portsmouth to Thailand
Discover carefully curated flight deals from Portsmouth to Thailand that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 July 2025.

Wed 24/909:20SOU - BKK

2 stops17h 55mKLM

Sun 28/911:35BKK - SOU

2 stops51h 10mKLM

Deal found 9/7£649

Tue 18/1109:30SOU - BKK

2 stops26h 15mQatar Airways

Thu 4/1207:35BKK - SOU

2 stops43h 05mQatar Airways

Deal found 9/7£753

Fri 22/818:25SOU - BKK

3 stops35h 55mMultiple Airlines

Fri 29/813:50BKK - SOU

2 stops31h 55mMultiple Airlines

Deal found 8/7£774

Wed 24/909:20SOU - HKT

2 stops27h 10mKLM

Sun 28/921:55HKT - SOU

2 stops40h 50mKLM

Deal found 8/7£757

Sun 23/1116:05SOU - HKT

2 stops24h 30mMultiple Airlines

Fri 28/1102:50HKT - SOU

2 stops43h 45mMultiple Airlines

Deal found 10/7£787

Wed 19/1120:10SOU - HKT

2 stops39h 45mQatar Airways

Wed 3/1208:20HKT - SOU

2 stops42h 20mQatar Airways

Deal found 9/7£853

Thu 25/917:35SOU - USM

2 stops18h 40mKLM

Mon 29/907:00USM - SOU

2 stops31h 45mKLM

Deal found 9/7£826

Fri 22/818:25SOU - USM

3 stops31h 25mMultiple Airlines

Fri 29/809:15USM - SOU

3 stops36h 30mMultiple Airlines

Deal found 8/7£1,273

Last-minute flights from Portsmouth to Thailand
Discover last-minute flight deals from Portsmouth to Thailand. Data last updated 10 July 2025 and is based on user searches.

Wed 16/718:25SOU - BKK

1 stop33h 05mKLM

Wed 30/712:05BKK - SOU

1 stop35h 45mKLM

Deal found 8/7£1,056

Thu 17/709:40SOU - BKK

2 stops21h 15mQatar Airways

Thu 21/808:40BKK - SOU

2 stops40h 50mQatar Airways

Deal found 9/7£1,734

Mon 28/716:30SOU - HKT

2 stops40h 50mMultiple Airlines

Mon 18/822:15HKT - SOU

2 stops27h 10mMultiple Airlines

Deal found 9/7£1,229

Mon 18/809:40SOU - BKK

2 stops45h 45mQatar Airways

Thu 2/1020:00BKK - SOU

2 stops29h 30mQatar Airways

Deal found 8/7£765

Wed 20/809:20SOU - BKK

1 stop18h 10mKLM

Sun 31/812:05BKK - SOU

1 stop26h 40mKLM

Deal found 8/7£1,002

Wed 20/809:10SOU - HKT

2 stops51h 40mQatar Airways

Tue 26/809:20HKT - SOU

2 stops40h 10mQatar Airways

Deal found 8/7£1,019

Fri 22/818:25SOU - BKK

3 stops35h 55mMultiple Airlines

Fri 29/813:50BKK - SOU

2 stops31h 55mMultiple Airlines

Deal found 8/7£774

Fri 22/818:25SOU - USM

3 stops31h 25mMultiple Airlines

Fri 29/809:15USM - SOU

3 stops36h 30mMultiple Airlines

Deal found 8/7£1,273

One-way flights from Portsmouth to Thailand
Search for one-way flight options from Portsmouth to Thailand. Find affordable one-way fares based on user searches. Data last updated 10 July 2025.

Sat 18/1015:20SOU - BKK

3 stops58h 30mMultiple Airlines

Deal found 8/7£372

Wed 3/909:20SOU - BKK

1 stop18h 10mKLM

Deal found 8/7£547

Wed 6/809:10SOU - BKK

2 stops28h 10mQatar Airways

Deal found 9/7£655

Thu 24/709:40SOU - HKT

2 stops27h 10mQatar Airways

Deal found 9/7£951

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Wed 24/9

09:20-09:15

2 stops17h 55m

Bangkok Suvarnabhumi

Sun 28/9

11:35-08:45

2 stops51h 10m

£649

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 18/11

09:30-18:45

2 stops26h 15m

Bangkok Suvarnabhumi

Thu 4/12

07:35-19:40

2 stops43h 05m

£753

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Wed 24/9

09:20-18:30

2 stops27h 10m

Phuket City

Sun 28/9

21:55-08:45

2 stops40h 50m

£757

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Fri 22/8

18:25-12:20

3 stops35h 55m

Bangkok Suvarnabhumi

Fri 29/8

13:50-15:45

2 stops31h 55m

£774

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Sun 23/11

16:05-23:35

2 stops24h 30m

Phuket City

Fri 28/11

02:50-15:35

2 stops43h 45m

£787

SouthamptonKo Samui

SOU - USM

SOUUSM

Southampton Eastleigh

Thu 25/9

17:35-18:15

2 stops18h 40m

Ko Samui

Mon 29/9

07:00-08:45

2 stops31h 45m

£826

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Wed 19/11

20:10-18:55

2 stops39h 45m

Phuket City

Wed 3/12

08:20-19:40

2 stops42h 20m

£853

SouthamptonKo Samui

SOU - USM

SOUUSM

Southampton Eastleigh

Fri 22/8

18:25-07:50

3 stops31h 25m

Ko Samui

Fri 29/8

09:15-15:45

3 stops36h 30m

£1,273

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sat 18/10

15:20-07:50

3 stops58h 30m

£372

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Wed 3/9

09:20-09:30

1 stop18h 10m

£547

Flights are sorted by cheapest return flights first.

Deals found on 8/7

Showing 1-10 of 12 results

Best time to book a flight from Portsmouth to Thailand

Have a flexible travel schedule? Discover the best time to fly to Thailand from Portsmouth 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 Portsmouth to Thailand

What is the cheapest month to book a flight from Portsmouth to Thailand?

Currently, May is the cheapest month in which you can book a flight from Portsmouth to Thailand (average of £718). Flying from Portsmouth to Thailand in December is currently the most expensive (average of £1,123). 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 P0R to TH?

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

Weekly flight availability from Portsmouth to Thailand

The most flights from P0R to TH0 are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

Reviews of airlines servicing Thailand

Read reviews from past customers who have flown with KLM and Qatar Airways from Portsmouth to Thailand. 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

1,370 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

KLM

7.8

Good

1,370 reviews

KLM

7.8

Good

1,370 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Qatar Airways

7.4

Good

3,590 reviews

KLM

7.8

Good

1,370 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

What are the most popular routes from Portsmouth to Thailand?
Most travelers choose Southampton Eastleigh - Bangkok Suvarnabhumi, Southampton Eastleigh - Phuket City or Southampton Eastleigh - Ko Samui when deciding on the best route from Portsmouth to Thailand.
What are the most reliable airlines from Portsmouth to Thailand?
No one likes to see their flight delayed. When booking a flight from Portsmouth to Thailand consider choosing Thai Airways (71%), EVA Air (70%) or Air Canada (67%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Portsmouth to Thailand?
The cheapest flight price from Portsmouth to Thailand is £364. On average you can expect to pay £2,566. The most popular route, (Southampton Eastleigh - Bangkok Suvarnabhumi), can usually be booked for £649.
Can I find deals for flights from Portsmouth to Thailand that include hotel bookings?
Yes. In addition to deals on Portsmouth to Thailand flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Portsmouth to Thailand?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Thailand.
Can I find deals for business class flights from Portsmouth to Thailand?
Yes. Cheapflights offers flight deals from Portsmouth to Thailand 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 Portsmouth to Thailand?
Currently, May is the cheapest month in which you can book a flight from Portsmouth to Thailand (average of £718). Flying from Portsmouth to Thailand in December is currently the most expensive (average of £1,123). 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

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Portsmouth to Thailand

Airline	Cheapest	Average	Flexibility	On-time
Bangkok Airways	Cheapest£106	Average£143	FlexibilityNo cancel fee	On-time74%	Search Bangkok Airways flights
Turkmenistan Airlines	Cheapest£287	Average£548	FlexibilityNo cancel fee	On-time63%	Search Turkmenistan Airlines flights
Hainan Airlines	Cheapest£374	Average£432	FlexibilityNo cancel fee	On-time61%	Search Hainan Airlines flights
Norse Atlantic UK	Cheapest£448	Average£563	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Royal Jordanian	Cheapest£454	Average£635	FlexibilityNo cancel fee	On-time61%	Search Royal Jordanian flights
Royal Brunei Airlines	Cheapest£463	Average£552	FlexibilityNo cancel fee	On-time84%	Search Royal Brunei Airlines flights
Lufthansa	Cheapest£478	Average£826	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
SWISS	Cheapest£479	Average£759	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Air France	Cheapest£481	Average£709	FlexibilityNo cancel fee	On-time77%	Search Air France flights
ITA Airways	Cheapest£488	Average£569	FlexibilityNo cancel fee	On-time81%	Search ITA Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Portsmouth to Thailand?

Cheapflights helps you search for flights from Portsmouth to Thailand via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Thailand?

Cheapflights helps you find that perfect flight to Thailand from Portsmouth by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Portsmouth to Thailand with no change fees?

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

Can Cheapflights notify me if prices for flights from Portsmouth to Thailand become cheaper?

Not ready to book yet? You can track prices for flights from Portsmouth to Thailand on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Portsmouth to Thailand from £372

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 18/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portsmouth to Thailand

Keep the following information in mind while searching for Portsmouth to Thailand flight deals. Data was last updated 10 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Portsmouth to Thailand

Cheapest flights from Portsmouth to ThailandExplore the most affordable flight options available from Portsmouth to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 July 2025.

Explore the most affordable flight options available from Portsmouth to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 July 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Portsmouth to Thailand

Have a flexible travel schedule? Discover the best time to fly to Thailand from Portsmouth with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Portsmouth to Thailand

What is the cheapest month to book a flight from Portsmouth to Thailand?

What is the cheapest time of day to fly from P0R to TH?

Find hourly flight availability from Portsmouth to Thailand. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 July 2025.

Weekly flight availability from Portsmouth to Thailand

Explore weekly flight availability from Portsmouth to Thailand. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 10 July 2025.

Reviews of airlines servicing Thailand

Read reviews from past customers who have flown with KLM and Qatar Airways from Portsmouth to Thailand. 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

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

What are the most popular routes from Portsmouth to Thailand?

What are the most reliable airlines from Portsmouth to Thailand?

What are the cheapest flights from Portsmouth to Thailand?

Can I find deals for flights from Portsmouth to Thailand that include hotel bookings?

How can I find direct flights from Portsmouth to Thailand?

Can I find deals for business class flights from Portsmouth to Thailand?

What is the cheapest month to book a flight from Portsmouth to Thailand?

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 Portsmouth to Thailand

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

Top 10 airlines flying from Portsmouth to Thailand

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 Portsmouth to Thailand?

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Thailand?

Can Cheapflights find flights from Portsmouth to Thailand with no change fees?

Can Cheapflights notify me if prices for flights from Portsmouth to Thailand become cheaper?

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Book with Flexibility

Travel Smart

Cheapest flights from Portsmouth to Thailand
Explore the most affordable flight options available from Portsmouth to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 July 2025.