How long is the flight from Portsmouth to Thailand?

For as low as £832, Qatar Airways can have you in Thailand from Portsmouth in 17h 05m. Portsmouth and Thailand are separated by a distance of 6195 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 £481. On average you can expect to pay £1,721. The most popular route, (Southampton Eastleigh - Bangkok Suvarnabhumi), can usually be booked for £656.

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 (84%), Thai Airways (83%) or Air Canada (79%) 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.

£303+ Cheap Flights from Portsmouth to Thailand

Cheap flight deals from Portsmouth to Thailand

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 September 2026.

Wed 16/920:00 -

2 stops28h 40m

Wed 30/909:25 -

2 stops29h 15m

Deal found 12/9£608

Mon 12/1020:40 -

2 stops28h 05m

Mon 19/1009:15 -

2 stops29h 25m

Deal found 14/9£628

Tue 13/1017:20 -

1 stop34h 10m

Tue 20/1012:05 -

1 stop26h 40m

Deal found 15/9£654

Tue 13/1009:15 -

2 stops26h 55m

Tue 20/1015:55 -

2 stops46h 45m

Deal found 15/9£666

Thu 29/1009:20 -

2 stops27h 05m

Thu 5/1110:20 -

2 stops34h 50m

Deal found 14/9£683

Sat 31/1009:20 -

2 stops27h 05m

Sat 7/1114:40 -

2 stops28h 15m

Deal found 16/9£695

Mon 12/1019:20 -

2 stops30h 15m

Sun 18/1016:50 -

2 stops32h 40m

Deal found 12/9£700

Sun 20/917:20 -

2 stops24h 30m

Sun 27/915:20 -

2 stops31h 30m

Deal found 16/9£739

Mon 7/1209:20 -

2 stops31h 00m

Sun 13/1214:40 -

2 stops28h 15m

Deal found 15/9£740

Tue 13/1020:00 -

2 stops34h 55m

Tue 20/1020:00 -

2 stops29h 30m

Deal found 15/9£767

Sat 26/920:00 -

2 stops29h 45m

Wed 30/909:20 -

2 stops40h 10m

Deal found 16/9£795

Mon 28/1220:00 -

2 stops39h 55m

Thu 28/108:20 -

2 stops31h 30m

Deal found 12/9£869

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 September 2026.

Mon 18/109:20 -

2 stops27h 05m

Tue 2/220:35 -

2 stops22h 15m

Deal found 16/9£789

Tue 20/1020:00 -

2 stops36h 25m

Thu 5/1120:35 -

2 stops29h 55m

Deal found 16/9£797

Thu 21/117:30 -

2 stops17h 05m

Thu 4/207:45 -

2 stops31h 25m

Deal found 12/9£832

Mon 28/920:00 -

2 stops29h 35m

Sun 8/1103:00 -

2 stops23h 30m

Deal found 13/9£800

Mon 19/1020:00 -

2 stops34h 55m

Fri 23/1020:00 -

2 stops29h 30m

Deal found 17/9£807

Mon 7/1209:20 -

2 stops26h 30m

Sun 20/1203:00 -

2 stops23h 25m

Deal found 15/9£901

Sun 8/1109:20 -

2 stops20h 45m

Mon 23/1108:15 -

2 stops42h 15m

Deal found 13/9£812

Sun 29/1109:20 -

2 stops20h 45m

Tue 22/1202:00 -

2 stops24h 25m

Deal found 17/9£907

Sat 28/1109:20 -

2 stops26h 35m

Mon 7/1220:30 -

2 stops30h 00m

Deal found 16/9£895

Sat 19/1210:15 -

2 stops25h 40m

Sun 17/108:20 -

2 stops34h 35m

Deal found 13/9£1,077

Sun 8/1109:20 -

2 stops27h 05m

Sun 22/1118:55 -

2 stops31h 35m

Deal found 15/9£934

Sat 17/1017:20 -

2 stops20h 40m

Sat 31/1009:35 -

2 stops40h 55m

Deal found 12/9£1,219

Wed 4/1109:20 -

2 stops26h 30m

Wed 16/1203:00 -

2 stops23h 30m

Deal found 14/9£1,009

Thu 5/1109:20 -

2 stops27h 05m

Sun 20/1218:55 -

2 stops31h 35m

Deal found 14/9£1,072

Mon 28/1220:00 -

2 stops39h 55m

Tue 12/108:20 -

2 stops42h 05m

Deal found 12/9£1,315

Wed 4/1109:20 -

2 stops26h 30m

Sun 20/1218:55 -

2 stops31h 35m

Deal found 14/9£1,072

Tue 5/108:55 -

2 stops27h 00m

Sat 16/108:20 -

2 stops31h 25m

Deal found 15/9£1,338

Thu 14/109:20 -

3 stops27h 15m

Thu 28/121:10 -

3 stops29h 20m

Deal found 13/9£1,257

Mon 12/1020:00 -

2 stops29h 45m

Mon 26/1000:25 -

2 stops26h 05m

Deal found 13/9£1,267

Find flight deals from Portsmouth to Thailand

Round-trip from	£628
One-way from	£303
Popular in	December
Cheapest in	September
Average price	£535

12/10-19/10
4 total stops
57h 30m total
Portsmouth to Thailand

Search Deals

15/2-31/12
3 total stops
39h 50m total
Portsmouth to Thailand

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£37 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 September 2026

Search Deals

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

Cheapest return flight

SouthamptonBangkok

SOU Southampton Eastleigh - BKK Bangkok Suvarnabhumi

SOUBKK

Southampton Eastleigh

Mon 15/2

20:00-14:20

2 stops35h 20m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£321

Fastest return journey

SouthamptonPhuket City

SOU Southampton Eastleigh - HKT Phuket City

SOUHKT

Southampton Eastleigh

Sat 14/11

09:20-18:55

2 stops26h 35m

Phuket City

Wed 31/12

00:00-18:00

Nonstop0h 00m

£451

SouthamptonPhuket City

SOU Southampton Eastleigh - HKT Phuket City

SOUHKT

Southampton Eastleigh

Fri 13/11

09:20-18:55

2 stops26h 35m

Phuket City

Wed 31/12

00:00-18:00

Nonstop0h 00m

£451

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

£471

SouthamptonBangkok

SOU Southampton Eastleigh - BKK Bangkok Suvarnabhumi

SOUBKK

Southampton Eastleigh

Wed 30/9

20:00-14:25

2 stops36h 25m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£473

SouthamptonBangkok

SOU Southampton Eastleigh - BKK Bangkok Suvarnabhumi

SOUBKK

Southampton Eastleigh

Thu 15/10

20:00-06:20

2 stops28h 20m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£473

SouthamptonBangkok

SOU Southampton Eastleigh - BKK Bangkok Suvarnabhumi

SOUBKK

Southampton Eastleigh

Thu 1/10

20:00-06:20

2 stops28h 20m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£474

SouthamptonBangkok

SOU Southampton Eastleigh - BKK Bangkok Suvarnabhumi

SOUBKK

Southampton Eastleigh

Wed 4/11

20:00-19:25

2 stops40h 25m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£474

SouthamptonBangkok

SOU Southampton Eastleigh - BKK Bangkok Suvarnabhumi

SOUBKK

Southampton Eastleigh

Mon 19/10

20:00-07:35

2 stops29h 35m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£474

SouthamptonBangkok

SOU Southampton Eastleigh - BKK Bangkok Suvarnabhumi

SOUBKK

Southampton Eastleigh

Mon 28/9

20:00-12:55

2 stops34h 55m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£474

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 33 resultsSorted by cheapest first

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.

SOU-BKK

SOU-HKT

SOU-USM

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

P0R-TH0

SOU-BKK

SOU-HKT

SOU-USM

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

It’s optimal to fly from Portsmouth to Thailand at midday. By choosing this option you can save up to 43% on the cost of your flight, compared to a flight in the evening.

Weekly flight availability from Portsmouth to Thailand

The most flights from P0R to TH0 are scheduled on a Monday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

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 Sunday at midday when fares are most often at their lowest. Thursday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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

7.8

Good

1,578 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

KLM

7.8

Good

1,578 reviews

KLM

7.8

Good

1,578 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Related info for your journey

How long is the flight from Portsmouth to Thailand?
For as low as £832, Qatar Airways can have you in Thailand from Portsmouth in 17h 05m. Portsmouth and Thailand are separated by a distance of 6195 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 (84%), Thai Airways (83%) or Air Canada (79%) 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 £481. On average you can expect to pay £1,721. The most popular route, (Southampton Eastleigh - Bangkok Suvarnabhumi), can usually be booked for £656.
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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to

Flights by cabin class

Other flight options

Popular flights

Top regions

Alternative routes for Portsmouth to Thailand

Heathrow to Suvarnabhumi flights

Gatwick to Suvarnabhumi flights

Stansted to Suvarnabhumi flights

London City to Suvarnabhumi flights

Heathrow to Haneda flights

Heathrow to New Delhi flights

Heathrow to Don Mueang Intl flights

Heathrow to Mumbai flights

Luton to Suvarnabhumi flights

Heathrow to Hong Kong flights

Gatwick to Don Mueang Intl flights

Heathrow to Narita flights

Manchester to Suvarnabhumi flights

Heathrow to Colombo flights

Heathrow to Kuala Lumpur Intl flights

Gatwick to Haneda flights

Gatwick to Narita flights

Gatwick to New Delhi flights

Heathrow to Manila flights

Stansted to New Delhi flights

Heathrow to Islamabad flights

Stansted to Narita flights

Stansted to Haneda flights

Manchester to Islamabad flights

Gatwick to Manila flights

London City to Narita flights

Heathrow to Singapore flights

Stansted to Manila flights

Gatwick to Mumbai flights

Heathrow to Phuket City flights

Gatwick to Singapore flights

Stansted to Mumbai flights

Gatwick to Hong Kong flights

Heathrow to Lahore flights

Stansted to Hong Kong flights

Luton to New Delhi flights

Manchester to Don Mueang Intl flights

London City to Hong Kong flights

Heathrow to Incheon Intl flights

Stansted to Islamabad flights

Heathrow to Dhaka flights

Gatwick to Ahmedabad flights

Gatwick to Phuket City flights

London City to Manila flights

Gatwick to Kuala Lumpur Intl flights

Stansted to Colombo flights

Heathrow to Hongqiao Intl flights

London City to Haneda flights

Heathrow to Ahmedabad flights

Top 10 airlines flying from Portsmouth to Thailand

Airline	Cheapest	Average	Flexibility	On-time
Bangkok Airways	Cheapest£117	Average£166	FlexibilityNo cancel fee	On-time74%	Search Bangkok Airways flights
Turkmenistan Airlines	Cheapest£269	Average£552	FlexibilityNo cancel fee	On-time63%	Search Turkmenistan Airlines flights
Hahn Air	Cheapest£274	Average£732	FlexibilityNo cancel fee	On-timeN/A	Search Hahn Air flights
Royal Jordanian	Cheapest£308	Average£663	FlexibilityNo cancel fee	On-time61%	Search Royal Jordanian flights
Scandinavian Airlines	Cheapest£340	Average£633	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Hainan Airlines	Cheapest£365	Average£424	FlexibilityNo cancel fee	On-time61%	Search Hainan Airlines flights
Riyadh Air	Cheapest£398	Average£507	FlexibilityNo cancel fee	On-timeN/A	Search Riyadh Air flights
Lufthansa	Cheapest£459	Average£754	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
ITA Airways	Cheapest£472	Average£546	FlexibilityNo cancel fee	On-time81%	Search ITA Airways flights
Kuwait Airways	Cheapest£474	Average£575	FlexibilityNo cancel fee	On-time64%	Search Kuwait 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Portsmouth to Thailand from £303

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 September 2026.

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 September 2026.

Best flights from Portsmouth to ThailandDiscover 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 September 2026.

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 September 2026.

Last-minute flights from Portsmouth to ThailandDiscover last-minute flight deals from Portsmouth to Thailand. Data last updated 17 September 2026 and is based on user searches.

Discover last-minute flight deals from Portsmouth to Thailand. Data last updated 17 September 2026 and is based on user searches.

One-way flights from Portsmouth to ThailandSearch for one-way flight options from Portsmouth to Thailand. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

Search for one-way flight options from Portsmouth to Thailand. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

Find flight deals from Portsmouth to Thailand

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

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 September 2026.

It’s optimal to fly from Portsmouth to Thailand at midday. By choosing this option you can save up to 43% on the cost of your flight, compared to a flight in the evening.

Weekly flight availability from Portsmouth to Thailand

The most flights from P0R to TH0 are scheduled on a Monday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

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 12 September 2026.

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

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

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?

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.

Complete your trip

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

Direct flights to

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

Search flights from Portsmouth to Thailand by cabin class

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

Portsmouth and Thailand flights

Browse other Portsmouth and Thailand flight options. Last updated on 17 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly to Thailand regions

Consider these flights travelling to Thailand regions.

Top 10 airlines flying from Portsmouth to Thailand

Fly with Cheapflights

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?

100% Free

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 17 September 2026.

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 September 2026.

Last-minute flights from Portsmouth to Thailand
Discover last-minute flight deals from Portsmouth to Thailand. Data last updated 17 September 2026 and is based on user searches.

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 September 2026.