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Cheap flights from Portsmouth to Thailand from £470

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BKK
18 May — 25 May1
1 adult
1 adult, Economy, 0 bags

Cheap 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 18 April 2026.

Thu 28/509:20
SOU
-
BKK
2 stops26h 50m
Multiple Airlines
Thu 4/609:15
BKK
-
SOU
2 stops29h 25m
Multiple Airlines
Deal found 13/4£565
Fri 29/517:20
SOU
-
HKT
2 stops19h 00m
Multiple Airlines
Fri 5/621:20
HKT
-
SOU
2 stops41h 15m
Multiple Airlines
Deal found 14/4£568
Mon 22/620:00
SOU
-
HKT
2 stops29h 35m
Multiple Airlines
Mon 29/609:25
HKT
-
SOU
2 stops29h 15m
Multiple Airlines
Deal found 14/4£570
Sun 24/509:20
SOU
-
HKT
2 stops28h 00m
Multiple Airlines
Sun 31/508:55
HKT
-
SOU
2 stops29h 45m
Multiple Airlines
Deal found 15/4£573
Wed 13/509:20
SOU
-
BKK
2 stops27h 40m
Multiple Airlines
Wed 20/509:15
BKK
-
SOU
2 stops29h 25m
Multiple Airlines
Deal found 15/4£581
Fri 15/517:20
SOU
-
BKK
2 stops19h 40m
Multiple Airlines
Fri 22/509:15
BKK
-
SOU
2 stops29h 25m
Multiple Airlines
Deal found 14/4£587
Thu 21/520:00
SOU
-
BKK
2 stops28h 45m
Multiple Airlines
Thu 28/509:40
BKK
-
SOU
2 stops29h 00m
Multiple Airlines
Deal found 13/4£588
Tue 2/620:00
SOU
-
BKK
2 stops28h 45m
Multiple Airlines
Tue 9/620:40
BKK
-
SOU
2 stops28h 50m
Multiple Airlines
Deal found 17/4£590
Sun 7/617:20
SOU
-
BKK
2 stops18h 50m
Multiple Airlines
Sat 27/615:05
BKK
-
SOU
2 stops47h 35m
Multiple Airlines
Deal found 14/4£595
Tue 1/909:15
SOU
-
BKK
2 stops26h 55m
Multiple Airlines
Mon 7/909:15
BKK
-
SOU
2 stops37h 35m
Multiple Airlines
Deal found 13/4£596
Sat 7/1117:05
SOU
-
BKK
2 stops29h 50m
Multiple Airlines
Sat 21/1114:40
BKK
-
SOU
2 stops32h 55m
Multiple Airlines
Deal found 14/4£598
Sun 31/509:20
SOU
-
HKT
2 stops27h 00m
Multiple Airlines
Sun 7/608:55
HKT
-
SOU
2 stops29h 45m
Multiple Airlines
Deal found 16/4£613

Find flight deals from Portsmouth to Thailand

Keep the following information in mind while searching for Portsmouth to Thailand flight deals. Data was last updated 18 April 2026.

Round-trip from

£565

One-way from

£470

Popular in

July

Cheapest in

May

Average price

£610
28/5-4/6
  • 28/5-4/6
  • 4 total stops
  • 56h 15m total
  • Portsmouth to Thailand
Search Deals
Qatar Airways
  • Qatar Airways
  • 28/4
  • 2 total stops
  • 22h 45m total
  • Portsmouth to Thailand
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£51 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 18 April 2026.
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 - BKK

SOUBKK

Southampton Eastleigh

Tue 2/6

20:00-06:45

2 stops28h 45m

Bangkok Suvarnabhumi

Tue 9/6

20:40-19:30

2 stops28h 50m

£590

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 8/9

17:20-09:15

2 stops33h 55m

Bangkok Suvarnabhumi

Mon 5/10

11:25-08:35

2 stops27h 10m

£661
Fastest return journey

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Mon 18/5

09:20-14:05

2 stops22h 45m

Phuket City

Thu 28/5

20:45-19:30

2 stops28h 45m

£763

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Wed 3/6

09:20-14:05

2 stops22h 45m

Phuket City

Tue 9/6

20:45-19:30

2 stops28h 45m

£763

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Thu 30/4

20:00-14:05

2 stops36h 05m

Phuket City

Wed 13/5

20:45-19:30

2 stops28h 45m

£783

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Wed 29/4

09:20-14:05

2 stops22h 45m

Phuket City

Tue 12/5

20:45-19:30

2 stops28h 45m

£783

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Wed 13/5

20:00-14:05

2 stops36h 05m

Phuket City

Mon 1/6

20:45-19:30

2 stops28h 45m

£783

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Mon 4/5

20:00-14:05

2 stops36h 05m

Phuket City

Thu 14/5

20:45-19:30

2 stops28h 45m

£785

SouthamptonPhuket City

SOU - HKT

SOUHKT

Southampton Eastleigh

Wed 29/4

09:20-14:05

2 stops22h 45m

Phuket City

Tue 12/5

20:45-19:30

2 stops28h 45m

£785

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Thu 30/4

20:00-13:05

2 stops35h 05m

Bangkok Suvarnabhumi

Wed 13/5

02:30-19:30

2 stops23h 00m

£798

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 38 resultsSorted by cheapest first
1
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3
4

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 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 18 April 2026.

It’s optimal to fly from Portsmouth to Thailand in the morning. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the afternoon.

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 18 April 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 18 April 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
7.8
Good
1,502 reviews
Check prices

Comfort

7.7

Food

7.3

Boarding

7.8

Overall

7.8

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,502 reviews
KLM
7.8
Good
1,502 reviews
Check prices

Comfort

7.7

Food

7.3

Boarding

7.8

Overall

7.8

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 £661, KLM can have you in Thailand from Portsmouth in 33h 55m. 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 Thai Airways (77%), Air Canada (74%) or EVA Air (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 £477. On average you can expect to pay £1,121. The most popular route, (Southampton Eastleigh - Bangkok Suvarnabhumi), can usually be booked for £590.

  • 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

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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 18 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest£113Average£141FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights
Turkmenistan AirlinesCheapest£270Average£558FlexibilityNo cancel feeOn-time63%
Search Turkmenistan Airlines flights
Hahn AirCheapest£272Average£659FlexibilityNo cancel feeOn-timeN/A
Search Hahn Air flights
Scandinavian AirlinesCheapest£281Average£634FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
ITA AirwaysCheapest£363Average£529FlexibilityNo cancel feeOn-time81%
Search ITA Airways flights
Air ArabiaCheapest£390Average£623FlexibilityNo cancel feeOn-time79%
Search Air Arabia flights
Royal JordanianCheapest£405Average£690FlexibilityNo cancel feeOn-time61%
Search Royal Jordanian flights
CondorCheapest£420Average£619FlexibilityNo cancel feeOn-time76%
Search Condor flights
Gulf AirCheapest£456Average£634FlexibilityNo cancel feeOn-time67%
Search Gulf Air flights
LufthansaCheapest£460Average£695FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

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?

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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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