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Cheap flights from Portsmouth to Asia from £242

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ICN
8 Sep — 15 Sep1
1 adult

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 3 September 2025.

Round-trip from

£444

One-way from

£242

Popular in

December

Cheapest in

May

Average price

£547
KLM
  • KLM
  • 17/9-29/9
  • 2 total stops
  • 45h 25m total
  • Portsmouth to Asia
Search Deals
18/9
  • 18/9
  • 3 total stops
  • 36h 35m total
  • Portsmouth to Asia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£43 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 September 2025
Search Deals

Find flight deals from Portsmouth to Asia

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 3 September 2025.

Wed 17/917:35SOU - BOM
1 stop26h 10mKLM
Mon 29/902:15BOM - SOU
1 stop19h 15mKLM
Deal found 2/9£444
Thu 25/917:35SOU - BOM
2 stops25h 15mKLM
Sun 28/901:20BOM - SOU
2 stops35h 55mKLM
Deal found 31/8£491
Sun 2/1109:30SOU - DEL
2 stops23h 10mMultiple Airlines
Tue 11/1116:20DEL - SOU
2 stops25h 05mMultiple Airlines
Deal found 2/9£569
Tue 23/909:10SOU - BKK
2 stops21h 45mMultiple Airlines
Mon 3/1120:30BKK - SOU
2 stops30h 10mMultiple Airlines
Deal found 2/9£601
Tue 23/909:20SOU - BKK
2 stops17h 55mKLM
Mon 3/1112:15BKK - SOU
1 stop26h 55mKLM
Deal found 2/9£612
Wed 24/909:20SOU - BKK
1 stop18h 10mKLM
Mon 3/1112:15BKK - SOU
1 stop26h 55mKLM
Deal found 2/9£622
Fri 17/1009:40SOU - BOM
3 stops23h 55mMultiple Airlines
Fri 24/1005:30BOM - SOU
1 stop18h 35mMultiple Airlines
Deal found 2/9£630
Thu 2/1020:00SOU - BKK
2 stops45h 55mMultiple Airlines
Thu 9/1010:05BKK - SOU
2 stops52h 35mMultiple Airlines
Deal found 2/9£636
Tue 23/909:20SOU - BKK
2 stops17h 55mKLM
Tue 4/1112:15BKK - SOU
1 stop35h 45mKLM
Deal found 2/9£646
Wed 24/909:20SOU - BKK
1 stop18h 10mKLM
Tue 4/1111:35BKK - SOU
2 stops36h 25mKLM
Deal found 2/9£647
Wed 15/1009:20SOU - HKG
3 stops24h 00mMultiple Airlines
Wed 22/1008:30HKG - SOU
3 stops31h 15mMultiple Airlines
Deal found 2/9£648
Wed 1/1020:00SOU - BKK
2 stops29h 20mMultiple Airlines
Wed 8/1010:05BKK - SOU
2 stops39h 25mMultiple Airlines
Deal found 1/9£654

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 3 September 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

SouthamptonMumbai

SOU - BOM

SOUBOM

Southampton Eastleigh

Wed 17/9

17:35-00:15

1 stop26h 10m

Mumbai Chhatrapati Shivaji Intl

Mon 29/9

02:15-17:00

1 stop19h 15m

£444

SouthamptonMumbai

SOU - BOM

SOUBOM

Southampton Eastleigh

Thu 25/9

17:35-23:20

2 stops25h 15m

Mumbai Chhatrapati Shivaji Intl

Sun 28/9

01:20-08:45

2 stops35h 55m

£491

SouthamptonNew Delhi

SOU - DEL

SOUDEL

Southampton Eastleigh

Sun 2/11

09:30-14:10

2 stops23h 10m

New Delhi Indira Gandhi Intl

Tue 11/11

16:20-11:55

2 stops25h 05m

£569

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 23/9

09:10-12:55

2 stops21h 45m

Bangkok Suvarnabhumi

Mon 3/11

20:30-19:40

2 stops30h 10m

£601

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 23/9

09:20-09:15

2 stops17h 55m

Bangkok Suvarnabhumi

Mon 3/11

12:15-08:10

1 stop26h 55m

£612

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Wed 24/9

09:20-09:30

1 stop18h 10m

Bangkok Suvarnabhumi

Tue 4/11

12:15-17:00

1 stop35h 45m

£622

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Wed 24/9

09:20-09:30

1 stop18h 10m

Bangkok Suvarnabhumi

Mon 3/11

12:15-08:10

1 stop26h 55m

£622

SouthamptonMumbai

SOU - BOM

SOUBOM

Southampton Eastleigh

Fri 17/10

09:40-14:05

3 stops23h 55m

Mumbai Chhatrapati Shivaji Intl

Fri 24/10

05:30-19:35

1 stop18h 35m

£630

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Thu 2/10

20:00-23:55

2 stops45h 55m

Bangkok Suvarnabhumi

Wed 8/10

02:55-08:40

2 stops59h 45m

£636

SouthamptonBangkok

SOU - BKK

SOUBKK

Southampton Eastleigh

Tue 23/9

09:20-09:15

2 stops17h 55m

Bangkok Suvarnabhumi

Tue 4/11

12:15-17:00

1 stop35h 45m

£646

Flights are sorted by cheapest return flights first.

Deals found on 1/9

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, November is the cheapest month in which you can book a flight from Portsmouth to Asia (average of £638). Flying from Portsmouth to Asia in July is currently the most expensive (average of £1,180). 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 3 September 2025.

When flying from Portsmouth to Asia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 3 September 2025.

The most flights from P0R to AS0 are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 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 3 September 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
7.8
Good
1,382 reviews
Check prices

Overall

7.8

Entertainment

7.1

Food

7.3

Boarding

7.8

Crew

8.4

Comfort

7.7

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
1,382 reviews
KLM
7.8
Good
1,382 reviews
Check prices

Overall

7.8

Entertainment

7.1

Food

7.3

Boarding

7.8

Crew

8.4

Comfort

7.7

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 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 26h 10m. KLM provides one of the quickest options available for as low as £444. The distance from Portsmouth to Asia is about 4517 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 - Tokyo Narita or Southampton Eastleigh - Tokyo Haneda 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: Korean Air (92%), Virgin Atlantic (92%), Asiana Airlines( 88%).

  • What are the cheapest flights from Portsmouth to Asia?

    Looking at all options, your cheapest flight can be booked for £514. While the most popular route (Southampton Eastleigh - Bangkok Suvarnabhumi) can be booked for £601 on average our data indicates £2,407 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, November is the cheapest month in which you can book a flight from Portsmouth to Asia (average of £638). Flying from Portsmouth to Asia in July is currently the most expensive (average of £1,180). 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 3 September 2025.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapest£263Average£600FlexibilityNo cancel feeOn-time81%
Search ITA Airways flights
Turkmenistan AirlinesCheapest£290Average£537FlexibilityNo cancel feeOn-time63%
Search Turkmenistan Airlines flights
Azerbaijan AirlinesCheapest£327Average£498FlexibilityNo cancel feeOn-time87%
Search Azerbaijan Airlines flights
Hainan AirlinesCheapest£330Average£435FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Norse Atlantic UKCheapest£349Average£557FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
IndiGoCheapest£393Average£600FlexibilityNo cancel feeOn-time80%
Search IndiGo flights
Air AstanaCheapest£417Average£586FlexibilityNo cancel feeOn-time80%
Search Air Astana flights
Royal Brunei AirlinesCheapest£427Average£556FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
EgyptairCheapest£450Average£492FlexibilityNo cancel feeOn-timeN/A
Search Egyptair flights
Royal JordanianCheapest£494Average£649FlexibilityNo cancel feeOn-time61%
Search Royal Jordanian flights

Fly with Cheapflights

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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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