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Cheap flights from Portsmouth to Thailand from £585

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BKK
3 syys — 10 syys1
1 adult

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 29 elokuu 2025.

Round-trip from

£585

Popular in

December

Cheapest in

May

Average price

£748
7/10-13/10
  • 7/10-13/10
  • 4 total stops
  • 69h 35m 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 (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 29 elokuu 2025.

ti 7/1009:10SOU - HKT
2 stops32h 25mMultiple Airlines
ma 13/1000:55HKT - SOU
2 stops37h 10mMultiple Airlines
Deal found 27/8£585
ke 8/1020:00SOU - BKK
2 stops28h 30mMultiple Airlines
ti 21/1002:55BKK - SOU
2 stops46h 35mMultiple Airlines
Deal found 28/8£622
pe 3/1020:00SOU - BKK
2 stops45h 55mMultiple Airlines
la 18/1002:55BKK - SOU
2 stops36h 15mMultiple Airlines
Deal found 27/8£670
la 4/1009:40SOU - BKK
2 stops56h 15mMultiple Airlines
la 18/1002:55BKK - SOU
2 stops36h 15mMultiple Airlines
Deal found 27/8£677
la 11/1016:25SOU - BKK
2 stops49h 30mMultiple Airlines
la 18/1020:55BKK - SOU
2 stops42h 15mMultiple Airlines
Deal found 27/8£719
su 12/1009:10SOU - BKK
2 stops32h 45mMultiple Airlines
su 19/1020:55BKK - SOU
2 stops28h 35mMultiple Airlines
Deal found 28/8£722
to 30/1009:30SOU - BKK
2 stops25h 55mQatar Airways
ti 18/1120:30BKK - SOU
2 stops30h 10mQatar Airways
Deal found 27/8£735
ma 17/1109:30SOU - BKK
2 stops25h 55mQatar Airways
ma 24/1108:15BKK - SOU
2 stops42h 25mQatar Airways
Deal found 28/8£736
ma 3/1120:10SOU - BKK
2 stops39h 15mQatar Airways
ma 17/1120:30BKK - SOU
2 stops30h 10mQatar Airways
Deal found 27/8£737
ma 3/1120:10SOU - BKK
2 stops39h 15mQatar Airways
ke 19/1108:15BKK - SOU
2 stops42h 25mQatar Airways
Deal found 27/8£739
la 11/1016:25SOU - HKT
2 stops33h 15mMultiple Airlines
la 18/1020:55HKT - SOU
2 stops52h 35mMultiple Airlines
Deal found 27/8£822
ke 24/909:20SOU - HKT
2 stops27h 10mKLM
su 28/907:35HKT - SOU
2 stops31h 10mKLM
Deal found 27/8£878

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Thailand that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 29 elokuu 2025.
Use the filters below to find and compare flights from Portsmouth to Thailand that are best for you.

Fly from

Portsmouth

Fly to

Thailand

Route

Depart

Return

Price

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

ti 7/10

09:10-23:35

2 stops32h 25m

Phuket City

ma 13/10

00:55-08:05

2 stops37h 10m

£585

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

ke 8/10

20:00-06:30

2 stops28h 30m

Bangkok Suvarnabhumi

ti 21/10

02:55-19:30

2 stops46h 35m

£622

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

pe 3/10

20:00-23:55

2 stops45h 55m

Bangkok Suvarnabhumi

la 18/10

02:55-09:10

2 stops36h 15m

£670

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

la 4/10

09:40-23:55

2 stops56h 15m

Bangkok Suvarnabhumi

la 18/10

02:55-09:10

2 stops36h 15m

£677

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

la 11/10

16:25-23:55

2 stops49h 30m

Bangkok Suvarnabhumi

la 18/10

20:55-09:10

2 stops42h 15m

£719

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

su 12/10

09:10-23:55

2 stops32h 45m

Bangkok Suvarnabhumi

su 19/10

20:55-19:30

2 stops28h 35m

£722

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

ke 5/11

20:10-13:05

2 stops33h 55m

Bangkok Suvarnabhumi

ma 17/11

20:30-19:40

2 stops30h 10m

£735

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

to 30/10

09:30-18:25

2 stops25h 55m

Bangkok Suvarnabhumi

ma 17/11

20:30-19:40

2 stops30h 10m

£735

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

ke 12/11

20:10-06:15

2 stops27h 05m

Bangkok Suvarnabhumi

ke 26/11

20:30-19:40

2 stops30h 10m

£735

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

la 11/10

16:25-07:40

2 stops33h 15m

Phuket City

la 18/10

20:55-19:30

2 stops52h 35m

£822

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 24 results
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2
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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 £717). 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?

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 29 elokuu 2025.

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

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 29 elokuu 2025.

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

Get insights into the airlines that provide service to Thailand. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Thailand. Reviews last updated 29 elokuu 2025.
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
1,383 reviews
Check prices

Comfort

7.7

Food

7.3

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

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
1,383 reviews
KLM
7.8
Good
1,383 reviews
Check prices

Comfort

7.7

Food

7.3

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

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

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?

    For as low as £952, KLM can have you in Thailand from Portsmouth in 38h 10m. Portsmouth and Thailand are separated by a distance of 6191 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 EVA Air (80%), Thai Airways (78%) or Air Canada (71%) 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 £405. On average you can expect to pay £2,480. The most popular route, (Southampton Eastleigh - Bangkok Suvarnabhumi), can usually be booked for £622.

  • 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 £717). 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

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Alternative routes for Portsmouth to Thailand

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Portsmouth to Thailand

Discover the top 10 airlines that operate flights from Portsmouth to Thailand. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 29 elokuu 2025.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest£112Average£142FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights
Turkmenistan AirlinesCheapest£289Average£553FlexibilityNo cancel feeOn-time63%
Search Turkmenistan Airlines flights
Norse Atlantic UKCheapest£347Average£555FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Hainan AirlinesCheapest£376Average£432FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
KLMCheapest£425Average£782FlexibilityNo cancel feeOn-time75%
Search KLM flights
Royal Brunei AirlinesCheapest£465Average£540FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
LufthansaCheapest£485Average£821FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest£488Average£782FlexibilityNo cancel feeOn-time77%
Search Air France flights
ITA AirwaysCheapest£491Average£612FlexibilityNo cancel feeOn-time81%
Search ITA Airways flights
Royal JordanianCheapest£492Average£651FlexibilityNo cancel feeOn-time61%
Search Royal Jordanian flights

Fly with Cheapflights

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

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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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