How long is the flight from Portsmouth to Thailand?

For as low as £830, Qatar Airways can have you in Thailand from Portsmouth in 17h 35m. Portsmouth and Thailand are separated by a distance of 5995 mi. This flight may include one or multiple stops.

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 £442. On average you can expect to pay £2,384. The most popular route, (Southampton Eastleigh - Bangkok Suvarnabhumi), can usually be booked for £701.

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 EVA Air (77%), Thai Airways (74%) or Air Canada (69%) as they are the most reliable in getting you off to your destination on time.

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.

£416+ Flights from Portsmouth to Thailand

Find flight deals from Portsmouth to Thailand

Enter your travel dates to find the best prices.

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 17 October 2025.

Wed 12/1120:10SOU - BKK

2 stops44h 10mMultiple Airlines

Tue 18/1102:55BKK - SOU

2 stops43h 40mMultiple Airlines

Deal found 15/10£619

Sun 30/1118:05SOU - BKK

3 stops35h 15mMultiple Airlines

Sun 7/1222:05BKK - SOU

2 stops26h 20mMultiple Airlines

Deal found 16/10£698

Wed 12/1120:10SOU - BKK

2 stops33h 05mQatar Airways

Wed 19/1109:05BKK - SOU

2 stops37h 30mQatar Airways

Deal found 15/10£718

Sat 6/1209:25SOU - BKK

2 stops32h 30mMultiple Airlines

Fri 12/1201:55BKK - SOU

2 stops37h 55mMultiple Airlines

Deal found 16/10£720

Sun 30/1109:30SOU - BKK

1 stop17h 35mKLM

Sun 7/1211:35BKK - SOU

2 stops27h 35mKLM

Deal found 16/10£738

Sun 30/1109:30SOU - BKK

2 stops26h 05mQatar Airways

Mon 8/1203:00BKK - SOU

2 stops23h 40mQatar Airways

Deal found 15/10£771

Wed 22/1009:20SOU - BKK

1 stop18h 10mKLM

Sun 2/1112:15BKK - SOU

1 stop26h 55mKLM

Deal found 16/10£829

Sun 30/1109:30SOU - HKT

2 stops26h 35mKLM

Thu 4/1216:55HKT - SOU

2 stops22h 10mKLM

Deal found 16/10£862

Wed 29/1012:25SOU - HKT

2 stops35h 25mQatar Airways

Tue 4/1100:50HKT - SOU

2 stops25h 50mQatar Airways

Deal found 15/10£944

Wed 15/1017:35SOU - HKT

3 stops32h 20mMultiple Airlines

Sat 14/222:05HKT - SOU

2 stops26h 15mMultiple Airlines

Deal found 15/10£1,196

Wed 31/1212:25SOU - HKT

2 stops47h 30mQatar Airways

Tue 19/520:30HKT - SOU

2 stops29h 00mQatar Airways

Deal found 15/10£1,213

Wed 31/1212:25SOU - HKT

2 stops47h 30mQatar Airways

Thu 21/509:20HKT - SOU

2 stops40h 10mQatar Airways

Deal found 15/10£1,214

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 17 October 2025.

Sat 6/1209:25SOU - BKK

2 stops43h 55mMultiple Airlines

Sat 13/1205:05BKK - SOU

2 stops34h 45mMultiple Airlines

Deal found 16/10£720

Wed 12/1112:25SOU - BKK

2 stops40h 50mQatar Airways

Tue 18/1102:00BKK - SOU

2 stops24h 40mQatar Airways

Deal found 15/10£769

Sun 30/1109:30SOU - BKK

1 stop17h 35mKLM

Sun 7/1212:15BKK - SOU

1 stop26h 55mKLM

Deal found 16/10£830

Sun 30/1109:30SOU - BKK

2 stops26h 05mQatar Airways

Tue 9/1218:55BKK - SOU

2 stops27h 40mQatar Airways

Deal found 15/10£771

Thu 19/209:00SOU - BKK

1 stop18h 05mKLM

Wed 11/312:15BKK - SOU

1 stop27h 05mKLM

Deal found 15/10£844

Wed 28/112:25SOU - BKK

2 stops48h 00mQatar Airways

Wed 11/218:55BKK - SOU

2 stops31h 45mQatar Airways

Deal found 16/10£850

Sun 30/1109:30SOU - HKT

2 stops26h 35mKLM

Thu 4/1216:55HKT - SOU

2 stops22h 10mKLM

Deal found 16/10£862

Tue 13/112:25SOU - BKK

2 stops47h 00mQatar Airways

Wed 4/208:15BKK - SOU

2 stops42h 25mQatar Airways

Deal found 15/10£850

Wed 12/1117:30SOU - BKK

2 stops32h 45mKLM

Wed 19/1111:35BKK - SOU

2 stops51h 30mKLM

Deal found 15/10£876

Thu 29/109:30SOU - BKK

2 stops26h 55mQatar Airways

Thu 12/202:00BKK - SOU

2 stops24h 40mQatar Airways

Deal found 16/10£868

Fri 16/109:00SOU - USM

2 stops24h 40mKLM

Tue 20/113:25USM - SOU

2 stops34h 35mKLM

Deal found 14/10£980

Fri 6/320:10SOU - HKT

2 stops33h 45mQatar Airways

Sun 22/300:50HKT - SOU

2 stops25h 50mQatar Airways

Deal found 16/10£896

Thu 15/120:10SOU - HKT

2 stops27h 40mQatar Airways

Thu 29/108:20HKT - SOU

2 stops42h 20mQatar Airways

Deal found 15/10£984

Thu 22/120:10SOU - HKT

2 stops26h 40mQatar Airways

Fri 6/220:30HKT - SOU

2 stops54h 10mQatar Airways

Deal found 15/10£1,018

Wed 31/1212:25SOU - HKT

2 stops47h 30mQatar Airways

Tue 19/520:30HKT - SOU

2 stops29h 00mQatar Airways

Deal found 15/10£1,213

Wed 31/1212:25SOU - HKT

2 stops47h 30mQatar Airways

Mon 18/520:30HKT - SOU

2 stops29h 00mQatar Airways

Deal found 15/10£1,213

Sat 3/109:30SOU - HKT

2 stops26h 25mQatar Airways

Mon 18/520:30HKT - SOU

2 stops29h 00mQatar Airways

Deal found 15/10£1,231

Sat 3/109:30SOU - HKT

2 stops26h 25mQatar Airways

Wed 20/520:30HKT - SOU

2 stops29h 00mQatar Airways

Deal found 15/10£1,231

Last-minute flights from Portsmouth to Thailand
Discover last-minute flight deals from Portsmouth to Thailand. Data last updated 17 October 2025 and is based on user searches.

Wed 22/1009:20SOU - BKK

1 stop18h 10mKLM

Sun 2/1112:15BKK - SOU

1 stop26h 55mKLM

Deal found 16/10£829

Wed 22/1009:10SOU - BKK

2 stops22h 15mQatar Airways

Sun 2/1118:55BKK - SOU

2 stops27h 40mQatar Airways

Deal found 15/10£1,503

Mon 27/1009:30SOU - BKK

2 stops20h 35mQatar Airways

Sun 2/1120:30BKK - SOU

2 stops30h 10mQatar Airways

Deal found 15/10£1,787

Mon 27/1009:30SOU - BKK

2 stops26h 55mQatar Airways

Mon 3/1102:00BKK - SOU

2 stops24h 40mQatar Airways

Deal found 15/10£3,409

Wed 29/1012:25SOU - HKT

2 stops34h 25mQatar Airways

Wed 5/1120:30HKT - SOU

2 stops30h 10mQatar Airways

Deal found 15/10£944

Sun 30/1109:30SOU - HKT

2 stops26h 35mKLM

Thu 4/1216:55HKT - SOU

2 stops22h 10mKLM

Deal found 16/10£862

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 17 October 2025.

Wed 12/1114:25SOU - BKK

3 stops45h 00mMultiple Airlines

Deal found 15/10£416

Wed 10/1214:25SOU - BKK

3 stops36h 45mMultiple Airlines

Deal found 16/10£439

Sun 30/1118:25SOU - BKK

3 stops53h 45mMultiple Airlines

Deal found 16/10£471

Thu 6/1114:35SOU - BKK

3 stops36h 55mMultiple Airlines

Deal found 16/10£539

Fri 24/1019:25SOU - BKK

3 stops54h 10mMultiple Airlines

Deal found 16/10£584

Mon 2/209:30SOU - BKK

2 stops19h 45mMultiple Airlines

Deal found 15/10£698

Mon 3/1109:30SOU - BKK

2 stops25h 55mQatar Airways

Deal found 15/10£704

Cheap flight deals from Portsmouth to Thailand

Round-trip from	£619
One-way from	£416
Popular in	December
Cheapest in	May
Average price	£574

12/11-18/11
4 total stops
87h 50m total
Portsmouth to Thailand

Search Deals

12/11
3 total stops
45h 00m total
Portsmouth to Thailand

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£47 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 October 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sat 6/12

09:25-12:20

2 stops43h 55m

Bangkok Suvarnabhumi

Sat 13/12

05:05-08:50

2 stops34h 45m

£720

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Wed 12/11

12:25-12:15

2 stops40h 50m

Bangkok Suvarnabhumi

Tue 18/11

02:00-19:40

2 stops24h 40m

£769

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sun 30/11

09:30-18:35

2 stops26h 05m

Bangkok Suvarnabhumi

Tue 9/12

18:55-15:35

2 stops27h 40m

£771

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sun 30/11

09:30-10:05

1 stop17h 35m

Bangkok Suvarnabhumi

Sun 7/12

12:15-08:10

1 stop26h 55m

£830

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Thu 19/2

09:00-10:05

1 stop18h 05m

Bangkok Suvarnabhumi

Wed 11/3

12:15-08:20

1 stop27h 05m

£844

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Wed 28/1

12:25-19:25

2 stops48h 00m

Bangkok Suvarnabhumi

Wed 11/2

18:55-19:40

2 stops31h 45m

£850

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 13/1

12:25-18:25

2 stops47h 00m

Bangkok Suvarnabhumi

Wed 4/2

08:15-19:40

2 stops42h 25m

£850

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Sun 30/11

09:30-19:05

2 stops26h 35m

Phuket City

Thu 4/12

16:55-08:05

2 stops22h 10m

£862

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Thu 29/1

09:30-19:25

2 stops26h 55m

Bangkok Suvarnabhumi

Thu 12/2

02:00-19:40

2 stops24h 40m

£868

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Wed 12/11

17:30-09:15

2 stops32h 45m

Bangkok Suvarnabhumi

Wed 19/11

11:35-08:05

2 stops51h 30m

£876

Flights are sorted by cheapest return flights first.

Deals found on 15/10

Showing 1-10 of 27 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 £241). Flying from Portsmouth to Thailand in July is currently the most expensive (average of £533). 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?

It’s optimal to fly from Portsmouth to Thailand in the evening. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight at midday.

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

Travellers seeking maximum savings on their Portsmouth to Thailand flight should consider departing on Monday evenings when fares are most often at their lowest. Tuesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 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

7.7

Good

1,404 reviews

Check prices

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

1,404 reviews

KLM

7.7

Good

1,404 reviews

Check prices

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

How long is the flight from Portsmouth to Thailand?
For as low as £830, Qatar Airways can have you in Thailand from Portsmouth in 17h 35m. Portsmouth and Thailand are separated by a distance of 5995 mi. This flight may include one or multiple stops.
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 EVA Air (77%), Thai Airways (74%) or Air Canada (69%) 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 £442. On average you can expect to pay £2,384. The most popular route, (Southampton Eastleigh - Bangkok Suvarnabhumi), can usually be booked for £701.
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 £241). Flying from Portsmouth to Thailand in July is currently the most expensive (average of £533). 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£112	Average£142	FlexibilityNo cancel fee	On-time74%	Search Bangkok Airways flights
Hahn Air	Cheapest£274	Average£579	FlexibilityNo cancel fee	On-timeN/A	Search Hahn Air flights
Turkmenistan Airlines	Cheapest£290	Average£556	FlexibilityNo cancel fee	On-time63%	Search Turkmenistan Airlines flights
Hainan Airlines	Cheapest£378	Average£433	FlexibilityNo cancel fee	On-time61%	Search Hainan Airlines flights
KLM	Cheapest£427	Average£793	FlexibilityNo cancel fee	On-time75%	Search KLM flights
A.P.G.	Cheapest£467	Average£589	FlexibilityNo cancel fee	On-timeN/A	Search A.P.G. flights
Royal Brunei Airlines	Cheapest£468	Average£536	FlexibilityNo cancel fee	On-time84%	Search Royal Brunei Airlines flights
Lufthansa	Cheapest£474	Average£743	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
SWISS	Cheapest£486	Average£773	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Air France	Cheapest£492	Average£806	FlexibilityNo cancel fee	On-time77%	Search Air France flights

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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.

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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 £416

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.

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 17 October 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 17 October 2025.

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 17 October 2025.

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 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 17 October 2025.

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

Use this chart to determine the cheapest time to fly return from Portsmouth to Thailand. Price data was last updated on 16 December 2024.

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 17 October 2025.

Reviews of airlines servicing Thailand

Read reviews from past customers who have flown with KLM 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.

How long is the flight from Portsmouth to Thailand?

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

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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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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 17 October 2025.