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Cheap flights from Portsmouth to Asia from £255

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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BKK
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Portsmouth to Asia

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Asia
Explore the most affordable flight options available from Portsmouth to Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 November 2025.

Mon 1/1220:10SOU - BKK
2 stops32h 35mMultiple Airlines
Sat 13/1202:55BKK - SOU
2 stops36h 50mMultiple Airlines
Deal found 13/11£663
Sat 6/1209:25SOU - HKG
2 stops29h 35mMultiple Airlines
Sat 20/1220:35HKG - SOU
3 stops31h 05mMultiple Airlines
Deal found 12/11£739
Thu 11/1216:05SOU - BKK
3 stops31h 40mMultiple Airlines
Wed 17/1203:20BKK - SOU
2 stops35h 20mMultiple Airlines
Deal found 13/11£750
Tue 9/1217:30SOU - MNL
2 stops42h 00mKLM
Fri 26/1220:45MNL - SOU
2 stops28h 15mKLM
Deal found 11/11£758
Tue 18/1117:30SOU - BKK
1 stop33h 35mKLM
Tue 16/1212:15BKK - SOU
1 stop35h 45mKLM
Deal found 11/11£793
Sun 16/1118:05SOU - BKK
2 stops30h 25mKLM
Sun 23/1112:15BKK - SOU
1 stop26h 55mKLM
Deal found 11/11£806
Mon 1/1214:35SOU - HKG
2 stops22h 30mMultiple Airlines
Tue 2/1223:20HKG - SOU
2 stops22h 35mMultiple Airlines
Deal found 13/11£811
Sun 16/1118:05SOU - BKK
3 stops35h 15mMultiple Airlines
Sun 23/1122:05BKK - SOU
2 stops26h 20mMultiple Airlines
Deal found 11/11£824
Mon 1/1218:05SOU - BKK
1 stop33h 00mKLM
Sun 14/1212:15BKK - SOU
1 stop26h 55mKLM
Deal found 13/11£828
Sat 22/1109:30SOU - BOM
2 stops35h 05mQatar Airways
Wed 3/1222:10BOM - SOU
2 stops27h 00mQatar Airways
Deal found 12/11£885
Mon 17/1119:55SOU - NRT
2 stops35h 00mMultiple Airlines
Mon 24/1114:35NRT - SOU
3 stops35h 25mMultiple Airlines
Deal found 12/11£888
Mon 17/1119:55SOU - HND
2 stops32h 35mMultiple Airlines
Sun 23/1102:30HND - SOU
3 stops44h 35mMultiple Airlines
Deal found 12/11£904

Cheap flight deals from Portsmouth to Asia

Keep the following information in mind while searching for Portsmouth to Asia flight deals. Data was last updated 14 November 2025.

Round-trip from

£597

One-way from

£255

Popular in

December

Cheapest in

May

Average price

£607
16/2-9/3
  • 16/2-9/3
  • 4 total stops
  • 80h 20m total
  • Portsmouth to Asia
Search Deals
15/12
  • 15/12
  • 3 total stops
  • 37h 25m total
  • Portsmouth to Asia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£46 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 November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Asia 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 14 November 2025.
Use the filters below to find and compare flights from Portsmouth to Asia that are best for you.

Fly from

Portsmouth

Fly to

Asia

Route

Depart

Return

Price

SouthamptonHong Kong

SOU - HKG

SOUHKG

Southampton Eastleigh

Mon 16/2

20:10-08:30

2 stops52h 20m

Hong Kong Intl

Mon 9/3

19:35-15:35

2 stops28h 00m

£597

SouthamptonHong Kong

SOU - HKG

SOUHKG

Southampton Eastleigh

Mon 16/2

09:25-18:30

2 stops25h 05m

Hong Kong Intl

Mon 9/3

23:25-17:00

1 stop25h 35m

£628

SouthamptonMumbai

SOU - BOM

SOUBOM

Southampton Eastleigh

Fri 23/1

17:35-00:25

1 stop25h 20m

Mumbai Chhatrapati Shivaji Intl

Fri 13/2

02:25-08:45

1 stop11h 50m

£687

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Mon 16/2

19:55-12:20

2 stops33h 25m

Bangkok Suvarnabhumi

Sun 22/2

18:25-19:20

3 stops31h 55m

£712

SouthamptonMumbai

SOU - BOM

SOUBOM

Southampton Eastleigh

Fri 23/1

20:10-08:10

2 stops30h 30m

Mumbai Chhatrapati Shivaji Intl

Fri 13/2

03:05-19:40

2 stops46h 05m

£722

SouthamptonHong Kong

SOU - HKG

SOUHKG

Southampton Eastleigh

Sun 15/3

17:45-16:20

1 stop14h 35m

Hong Kong Intl

Sun 7/6

22:45-08:50

1 stop17h 05m

£733

SouthamptonHong Kong

SOU - HKG

SOUHKG

Southampton Eastleigh

Sat 6/12

09:25-23:00

2 stops29h 35m

Hong Kong Intl

Sat 20/12

20:35-19:40

3 stops31h 05m

£739

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 3/3

12:25-19:25

2 stops24h 00m

Bangkok Suvarnabhumi

Wed 18/3

03:00-19:40

2 stops23h 40m

£755

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Mon 2/3

09:30-18:25

2 stops25h 55m

Bangkok Suvarnabhumi

Wed 18/3

03:00-19:40

2 stops23h 40m

£755

SouthamptonManila

SOU - MNL

SOUMNL

Southampton Eastleigh

Tue 9/12

17:30-19:30

2 stops42h 00m

Manila Ninoy Aquino Intl

Fri 26/12

20:45-17:00

2 stops28h 15m

£758

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Showing 1-10 of 60 results
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Best time to book a flight from Portsmouth to Asia

Have a flexible travel schedule? Discover the best time to fly to Asia 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 Asia

What is the cheapest month to book a flight from Portsmouth to Asia?

Currently, March is the cheapest month in which you can book a flight from Portsmouth to Asia (average of £255). Flying from Portsmouth to Asia in August is currently the most expensive (average of £404). 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 AS?

Find hourly flight availability from Portsmouth to Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 November 2025.

When flying from Portsmouth to Asia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 11% versus a flight at midday.

What is the cheapest day to fly from Portsmouth to Asia?

Use this chart to determine the cheapest time to fly return from Portsmouth to Asia. Price data was last updated on 16 December 2024.

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

Weekly flight availability from Portsmouth to Asia

Explore weekly flight availability from Portsmouth to Asia. 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 14 November 2025.

The most flights from P0R to AS0 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 Asia

Get insights into the airlines that provide service to Asia. 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 Asia. Reviews last updated 14 November 2025.
Get a feel of what it's like to fly with KLM from Portsmouth to Asia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,411 reviews
Check prices

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,411 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Asia. 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 Asia?

    A quick flight from Portsmouth to Asia can take about 25h 05m. KLM provides one of the quickest options available for as low as £628. The distance from Portsmouth to Asia is about 6032 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Portsmouth to Asia?

    Most travelers choose Southampton Eastleigh - Bangkok Suvarnabhumi, Southampton Eastleigh - Colombo Bandaranaike Intl or Southampton Eastleigh - Tokyo Narita when deciding on the best route from Portsmouth to Asia.

  • What are the most reliable airlines from Portsmouth to Asia?

    Before booking your flight to Asia from Portsmouth, check out the most reliable airlines to get you to your destination on time: EVA Air (81%), Thai Airways (78%), Air Canada( 73%).

  • What are the cheapest flights from Portsmouth to Asia?

    Looking at all options, your cheapest flight can be booked for £468. While the most popular route (Southampton Eastleigh - Bangkok Suvarnabhumi) can be booked for £673 on average, our data indicates £2,468 when flying from Portsmouth to Asia.

  • Can I find deals for flights from Portsmouth to Asia that include hotel bookings?

    Yes. In addition to deals on Portsmouth to Asia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portsmouth to Asia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Asia.

  • Can I find deals for business class flights from Portsmouth to Asia?

    Yes. Cheapflights offers flight deals from Portsmouth to Asia 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 Asia?

    Currently, March is the cheapest month in which you can book a flight from Portsmouth to Asia (average of £255). Flying from Portsmouth to Asia in August is currently the most expensive (average of £404). 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 Asia

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 Asia

Discover the top 10 airlines that operate flights from Portsmouth to Asia. 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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapest£264Average£605FlexibilityNo cancel feeOn-time81%
Search ITA Airways flights
Hahn AirCheapest£280Average£643FlexibilityNo cancel feeOn-timeN/A
Search Hahn Air flights
Turkmenistan AirlinesCheapest£296Average£568FlexibilityNo cancel feeOn-time63%
Search Turkmenistan Airlines flights
Azerbaijan AirlinesCheapest£334Average£504FlexibilityNo cancel feeOn-time87%
Search Azerbaijan Airlines flights
Hainan AirlinesCheapest£337Average£450FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Air AstanaCheapest£421Average£604FlexibilityNo cancel feeOn-time80%
Search Air Astana flights
Royal Brunei AirlinesCheapest£436Average£562FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
EgyptairCheapest£462Average£515FlexibilityNo cancel feeOn-timeN/A
Search Egyptair flights
IndiGoCheapest£470Average£592FlexibilityNo cancel feeOn-time80%
Search IndiGo flights
A.P.G.Cheapest£476Average£606FlexibilityNo cancel feeOn-timeN/A
Search A.P.G. 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 Asia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portsmouth to Asia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Asia?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Asia from Portsmouth.

Can Cheapflights find flights from Portsmouth to Asia with no change fees?

Yes! Cheapflights helps users easily find flights from Portsmouth to Asia with no change fees.

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

Of course! You can now track prices for flights from Portsmouth to Asia and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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