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Cheap flights from Portsmouth to Thailand from £461

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 17/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BKK
12 Feb — 19 Feb1
1 adult
1 adult, Economy, 0 bags

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 13 January 2026.

Round-trip from

£589

One-way from

£461

Popular in

July

Cheapest in

May

Average price

£609
2/2-5/2
  • 2/2-5/2
  • 4 total stops
  • 57h 45m total
  • Portsmouth to Thailand
Search Deals
Qatar Airways
  • Qatar Airways
  • 17/2
  • 2 total stops
  • 24h 00m total
  • Portsmouth to Thailand
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£65 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 13 January 2026.

Tue 8/917:20
SOU
-
BKK
1 stop34h 10m
KLM
Mon 5/1012:05
BKK
-
SOU
1 stop34h 45m
KLM
Deal found 12/1£572
Mon 2/214:35
SOU
-
BKK
2 stops24h 50m
Multiple Airlines
Thu 5/205:45
BKK
-
SOU
2 stops32h 55m
Multiple Airlines
Deal found 12/1£589
Wed 25/208:50
SOU
-
BKK
2 stops29h 15m
Multiple Airlines
Wed 4/309:15
BKK
-
SOU
3 stops37h 20m
Multiple Airlines
Deal found 11/1£679
Wed 25/208:50
SOU
-
HKT
2 stops29h 55m
Multiple Airlines
Wed 4/317:05
HKT
-
SOU
3 stops27h 30m
Multiple Airlines
Deal found 11/1£692
Mon 6/417:20
SOU
-
BKK
1 stop34h 10m
KLM
Mon 27/412:05
BKK
-
SOU
1 stop34h 45m
KLM
Deal found 12/1£705
Wed 12/809:10
SOU
-
BKK
2 stops32h 40m
Multiple Airlines
Mon 31/815:05
BKK
-
SOU
2 stops47h 00m
Multiple Airlines
Deal found 11/1£724
Mon 6/409:05
SOU
-
BKK
2 stops28h 20m
Multiple Airlines
Mon 27/423:40
BKK
-
SOU
2 stops23h 10m
Multiple Airlines
Deal found 12/1£751
Mon 2/220:10
SOU
-
HKT
2 stops27h 40m
Multiple Airlines
Mon 16/210:30
HKT
-
SOU
3 stops32h 25m
Multiple Airlines
Deal found 12/1£798
Sat 12/917:05
SOU
-
HKT
2 stops19h 45m
Multiple Airlines
Fri 25/920:30
HKT
-
SOU
2 stops53h 00m
Multiple Airlines
Deal found 12/1£828
Mon 19/120:10
SOU
-
HKT
2 stops27h 55m
Qatar Airways
Thu 22/108:20
HKT
-
SOU
2 stops38h 15m
Qatar Airways
Deal found 11/1£849
Thu 26/214:15
SOU
-
USM
3 stops34h 30m
Multiple Airlines
Thu 5/308:15
USM
-
SOU
3 stops40h 15m
Multiple Airlines
Deal found 12/1£859
Fri 21/820:00
SOU
-
HKT
2 stops40h 50m
Multiple Airlines
Wed 2/920:30
HKT
-
SOU
2 stops29h 00m
Multiple Airlines
Deal found 12/1£879

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 13 January 2026.
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

Wed 25/2

08:50-21:45

2 stops29h 55m

Phuket City

Wed 4/3

17:05-13:35

3 stops27h 30m

£692

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 17/2

12:25-19:25

2 stops24h 00m

Bangkok Suvarnabhumi

Mon 2/3

08:15-15:35

2 stops38h 20m

£765

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Thu 5/2

20:10-19:25

2 stops40h 15m

Bangkok Suvarnabhumi

Wed 4/3

08:15-15:35

2 stops38h 20m

£767

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Mon 16/2

20:10-18:25

2 stops39h 15m

Bangkok Suvarnabhumi

Mon 2/3

08:15-15:35

2 stops38h 20m

£767

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Wed 25/2

12:25-12:15

2 stops40h 50m

Bangkok Suvarnabhumi

Wed 11/3

18:55-19:40

2 stops31h 45m

£769

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sun 1/3

09:30-13:05

2 stops20h 35m

Bangkok Suvarnabhumi

Wed 11/3

18:55-19:40

2 stops31h 45m

£790

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sun 25/1

09:30-18:25

2 stops25h 55m

Bangkok Suvarnabhumi

Thu 5/3

09:05-19:40

2 stops41h 35m

£792

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sun 22/2

09:30-18:25

2 stops25h 55m

Bangkok Suvarnabhumi

Tue 10/3

08:15-15:35

2 stops38h 20m

£792

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sun 22/2

09:30-18:25

2 stops25h 55m

Bangkok Suvarnabhumi

Thu 5/3

08:15-15:35

2 stops38h 20m

£792

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Sun 22/2

09:30-19:25

2 stops26h 55m

Bangkok Suvarnabhumi

Mon 2/3

08:15-15:35

2 stops38h 20m

£792

Flights are sorted by cheapest return flights first.

Deals found on 11/1

Showing 1-10 of 33 results
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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, September is the cheapest month in which you can book a flight from Portsmouth to Thailand (average of £196). Flying from Portsmouth to Thailand in August is currently the most expensive (average of £513). 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 13 January 2026.

It’s optimal to fly from Portsmouth to Thailand in the afternoon. By choosing this option you can save up to 32% on the cost of your flight, compared to a flight in the evening.

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 10 January 2026.

Travellers seeking maximum savings on their Portsmouth to Thailand flight should consider departing on Saturday afternoons 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

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 13 January 2026.

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 13 January 2026.
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
1,437 reviews
Check prices

Food

7.2

Comfort

7.6

Overall

7.7

Entertainment

7.1

Crew

8.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,437 reviews
KLM
7.7
Good
1,437 reviews
Check prices

Food

7.2

Comfort

7.6

Overall

7.7

Entertainment

7.1

Crew

8.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 £765, Qatar Airways can have you in Thailand from Portsmouth in 24h. 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 EVA Air (83%), Thai Airways (80%) or Air Canada (76%) 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 £483. On average you can expect to pay £2,330. The most popular route, (Southampton Eastleigh - Bangkok Suvarnabhumi), can usually be booked for £540.

  • 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, September is the cheapest month in which you can book a flight from Portsmouth to Thailand (average of £196). Flying from Portsmouth to Thailand in August is currently the most expensive (average of £513). 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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London City to Kuala Lumpur Intl flights
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London City to Manila flights
Birmingham to Suvarnabhumi flights
Heathrow to Ho Chi Minh City flights
Stansted to Islamabad flights
Heathrow to Taiwan Taoyuan Intl flights
Heathrow to Gimpo Intl flights
Stansted to Phuket City flights
Heathrow to Hongqiao Intl flights
Luton to Narita flights
London City to Phuket City flights

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 13 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest£113Average£142FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights
Turkmenistan AirlinesCheapest£288Average£560FlexibilityNo cancel feeOn-time63%
Search Turkmenistan Airlines flights
Air ArabiaCheapest£348Average£591FlexibilityNo cancel feeOn-time79%
Search Air Arabia flights
KLMCheapest£426Average£815FlexibilityNo cancel feeOn-time75%
Search KLM flights
Hahn AirCheapest£443Average£649FlexibilityNo cancel feeOn-timeN/A
Search Hahn Air flights
Royal Brunei AirlinesCheapest£467Average£535FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
LufthansaCheapest£470Average£698FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Royal JordanianCheapest£471Average£686FlexibilityNo cancel feeOn-time61%
Search Royal Jordanian flights
TUI AirwaysCheapest£481Average£845FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
A.P.G.Cheapest£484Average£605FlexibilityNo cancel feeOn-timeN/A
Search A.P.G. 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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