How long is the flight from Portsmouth to Thailand?

For as low as £807, Qatar Airways can have you in Thailand from Portsmouth in 34h 05m. Portsmouth and Thailand are separated by a distance of 5995 mi.

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 £480. On average you can expect to pay £1,715. The most popular route, (Southampton Eastleigh - Bangkok Suvarnabhumi), can usually be booked for £558.

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 (84%), EVA Air (84%) or Air Canada (82%) 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.

£433+ 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 5 September 2026.

Wed 9/909:15 -

1 stop18h 15m

Wed 16/912:05 -

1 stop26h 30m

Deal found 4/9£558

Tue 8/909:05 -

1 stop18h 25m

Mon 5/1012:05 -

1 stop34h 45m

Deal found 4/9£585

Tue 13/1009:15 -

2 stops32h 35m

Tue 20/1009:25 -

2 stops28h 40m

Deal found 3/9£608

Tue 8/917:20 -

2 stops19h 00m

Mon 14/903:20 -

2 stops34h 45m

Deal found 3/9£610

Thu 1/1009:20 -

2 stops32h 30m

Tue 6/1000:55 -

2 stops37h 45m

Deal found 1/9£641

Tue 8/917:20 -

2 stops20h 40m

Fri 18/921:35 -

2 stops27h 55m

Deal found 4/9£841

Fri 16/1009:20 -

3 stops30h 15m

Fri 23/1006:00 -

3 stops40h 50m

Deal found 1/9£880

Sat 17/1010:15 -

3 stops41h 55m

Sat 24/1015:30 -

3 stops34h 10m

Deal found 2/9£940

Thu 10/917:20 -

2 stops20h 20m

Thu 17/909:15 -

2 stops29h 20m

Deal found 5/9£980

Thu 10/909:20 -

3 stops30h 15m

Thu 17/909:15 -

3 stops37h 35m

Deal found 5/9£1,153

Fri 16/1017:20 -

2 stops38h 25m

Fri 23/1009:15 -

2 stops29h 30m

Deal found 1/9£1,403

Mon 21/1217:30 -

2 stops43h 15m

Mon 4/109:20 -

2 stops38h 40m

Deal found 31/8£1,615

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 5 September 2026.

Thu 1/1009:20 -

2 stops32h 30m

Tue 6/1000:55 -

2 stops37h 45m

Deal found 1/9£641

Mon 2/1120:00 -

2 stops34h 05m

Sun 15/1102:00 -

2 stops24h 30m

Deal found 3/9£807

Tue 13/1009:15 -

2 stops32h 35m

Tue 20/1015:20 -

2 stops47h 20m

Deal found 4/9£653

Thu 5/1109:20 -

2 stops27h 05m

Sun 15/1102:00 -

2 stops24h 30m

Deal found 3/9£807

Tue 22/909:15 -

2 stops21h 40m

Sun 18/1002:30 -

2 stops23h 00m

Deal found 5/9£771

Wed 4/1120:00 -

2 stops34h 05m

Tue 17/1102:00 -

2 stops24h 30m

Deal found 3/9£807

Mon 30/1120:00 -

2 stops27h 40m

Sun 20/1203:00 -

2 stops23h 30m

Deal found 31/8£801

Mon 26/1020:00 -

2 stops27h 40m

Thu 12/1118:55 -

2 stops31h 35m

Deal found 31/8£809

Mon 19/1020:00 -

2 stops29h 35m

Wed 28/1002:00 -

2 stops24h 30m

Deal found 4/9£810

Fri 26/220:00 -

2 stops27h 50m

Fri 12/309:25 -

2 stops33h 30m

Deal found 3/9£844

Thu 1/1020:00 -

2 stops28h 20m

Wed 28/1018:55 -

2 stops31h 35m

Deal found 2/9£810

Fri 16/1009:20 -

3 stops30h 15m

Fri 23/1006:00 -

3 stops40h 50m

Deal found 1/9£880

Tue 2/320:00 -

2 stops27h 40m

Mon 22/302:00 -

2 stops24h 30m

Deal found 1/9£810

Wed 18/1109:20 -

2 stops20h 45m

Thu 10/1208:15 -

2 stops42h 15m

Deal found 31/8£810

Sat 17/1010:15 -

3 stops41h 55m

Sat 24/1015:30 -

3 stops34h 10m

Deal found 2/9£940

Mon 28/909:20 -

2 stops29h 05m

Sun 18/1003:00 -

2 stops22h 30m

Deal found 31/8£810

Tue 13/1020:00 -

2 stops35h 25m

Thu 5/1118:55 -

2 stops31h 35m

Deal found 2/9£810

Sat 26/909:20 -

2 stops28h 40m

Wed 30/921:35 -

2 stops27h 55m

Deal found 2/9£902

Mon 21/1217:30 -

2 stops43h 15m

Mon 4/109:20 -

2 stops38h 40m

Deal found 31/8£1,615

Find flight deals from Portsmouth to Thailand

Round-trip from	£608
One-way from	£433
Popular in	December
Cheapest in	September
Average price	£532

13/10-20/10
4 total stops
61h 15m total
Portsmouth to Thailand

Search Deals

31/12-31/12
3 total stops
44h 30m total
Portsmouth to Thailand

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£36 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£16 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

Thu 31/12

14:25-17:55

3 stops44h 30m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£433

SouthamptonBangkok

SOU Southampton Eastleigh - BKK Bangkok Suvarnabhumi

SOUBKK

Southampton Eastleigh

Wed 18/11

09:20-19:25

2 stops27h 05m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£479

SouthamptonBangkok

SOU Southampton Eastleigh - BKK Bangkok Suvarnabhumi

SOUBKK

Southampton Eastleigh

Mon 30/11

09:20-19:25

2 stops27h 05m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£479

SouthamptonBangkok

SOU Southampton Eastleigh - BKK Bangkok Suvarnabhumi

SOUBKK

Southampton Eastleigh

Thu 24/9

20:00-06:20

2 stops28h 20m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£481

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

£481

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

£481

SouthamptonBangkok

SOU Southampton Eastleigh - BKK Bangkok Suvarnabhumi

SOUBKK

Southampton Eastleigh

Mon 5/10

20:00-13:25

2 stops35h 25m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£481

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

£489

SouthamptonBangkok

SOU Southampton Eastleigh - BKK Bangkok Suvarnabhumi

SOUBKK

Southampton Eastleigh

Sat 28/11

09:20-19:25

2 stops27h 05m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£491

SouthamptonBangkok

SOU Southampton Eastleigh - BKK Bangkok Suvarnabhumi

SOUBKK

Southampton Eastleigh

Sat 10/10

20:00-07:35

2 stops29h 35m

Bangkok Suvarnabhumi

Wed 31/12

00:00-18:00

Nonstop0h 00m

£491

Flights are sorted by cheapest return flights first.

Deals found on 3/9

Showing 1-10 of 36 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 42% 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 Tuesday 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

1,569 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

1,569 reviews

KLM

7.8

Good

1,569 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 £807, Qatar Airways can have you in Thailand from Portsmouth in 34h 05m. Portsmouth and Thailand are separated by a distance of 5995 mi.
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 (84%), EVA Air (84%) or Air Canada (82%) 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 £480. On average you can expect to pay £1,715. The most popular route, (Southampton Eastleigh - Bangkok Suvarnabhumi), can usually be booked for £558.
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

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Alternative routes for Portsmouth to Thailand

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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£267	Average£547	FlexibilityNo cancel fee	On-time63%	Search Turkmenistan Airlines flights
Hahn Air	Cheapest£272	Average£666	FlexibilityNo cancel fee	On-timeN/A	Search Hahn Air flights
Scandinavian Airlines	Cheapest£281	Average£629	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Royal Jordanian	Cheapest£306	Average£682	FlexibilityNo cancel fee	On-time61%	Search Royal Jordanian flights
Vietnam Airlines	Cheapest£320	Average£646	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights
Hainan Airlines	Cheapest£363	Average£422	FlexibilityNo cancel fee	On-time61%	Search Hainan Airlines flights
Riyadh Air	Cheapest£394	Average£516	FlexibilityNo cancel fee	On-timeN/A	Search Riyadh Air flights
A.P.G.	Cheapest£454	Average£696	FlexibilityNo cancel fee	On-timeN/A	Search A.P.G. flights
Lufthansa	Cheapest£456	Average£721	FlexibilityNo cancel fee	On-time76%	Search Lufthansa 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!

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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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Cheap flights from Portsmouth to Thailand from £433

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/12. 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 5 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 5 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 5 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 5 September 2026.

Last-minute flights from Portsmouth to ThailandDiscover last-minute flight deals from Portsmouth to Thailand. Data last updated 5 September 2026 and is based on user searches.

Discover last-minute flight deals from Portsmouth to Thailand. Data last updated 5 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 5 September 2026.

Search for one-way flight options from Portsmouth to Thailand. Find affordable one-way fares based on user searches. Data last updated 5 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 5 September 2026.

It’s optimal to fly from Portsmouth to Thailand at midday. By choosing this option you can save up to 42% 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 29 August 2026.

Travellers seeking maximum savings on their Portsmouth to Thailand flight should consider departing on Tuesday 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 5 September 2026.

Popular flight searches

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Fly to Thailand regions

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Top 10 airlines flying from Portsmouth to Thailand

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

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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 5 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 5 September 2026.

Last-minute flights from Portsmouth to Thailand
Discover last-minute flight deals from Portsmouth to Thailand. Data last updated 5 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 5 September 2026.