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Cheap flights from Portsmouth to Asia

LHR — BKK
27 Oct — 3 Nov1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Portsmouth to Asia

Popular in

July

Cheapest in

September

Average price

£569
Highest demand for flights based on searches. 7% potential increase in price (£41 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Insights

Everything you need to know about your flight from Portsmouth to Asia

What is the cheapest time of day to fly from P0R to AS?

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 15% versus a flight at midday.

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

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

Reviews of airlines servicing Asia

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
1,578 reviews
Check prices

Boarding

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Meghana,Aug 2026

QRO - ATL

It was a good one. They were very friendly and helpful
KLM
7.8
Good
1,578 reviews
KLM
7.8
Good
1,578 reviews
Check prices

Boarding

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Meghana,Aug 2026

QRO - ATL

It was a good one. They were very friendly and helpful

Related info for your journey

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

    Most travelers choose Southampton Eastleigh - Bangkok Suvarnabhumi, Southampton Eastleigh - Manila Ninoy Aquino Intl or Southampton Eastleigh - New Delhi Indira Gandhi Intl 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 (84%), Thai Airways (83%), Air Canada( 79%).

  • What are the cheapest flights from Portsmouth to Asia?

    Looking at all options, your cheapest flight can be booked for £488. While the most popular route (Southampton Eastleigh - Bangkok Suvarnabhumi) can be booked for £617 on average, our data indicates £1,739 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.

See more FAQs

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Alternative routes for Portsmouth to Asia

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Top 10 airlines flying from Portsmouth to Asia

AirlineCheapestAverageFlexibilityOn-time
HK ExpressCheapest£105Average£128FlexibilityNo cancel feeOn-time90%
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Turkmenistan AirlinesCheapest£276Average£560FlexibilityNo cancel feeOn-time63%
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Air ArabiaCheapest£281Average£613FlexibilityNo cancel feeOn-time79%
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Air AstanaCheapest£300Average£648FlexibilityNo cancel feeOn-time80%
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XiamenAirCheapest£301Average£445FlexibilityNo cancel feeOn-time49%
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Royal JordanianCheapest£312Average£730FlexibilityNo cancel feeOn-time61%
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Azerbaijan AirlinesCheapest£312Average£557FlexibilityNo cancel feeOn-time87%
Search Azerbaijan Airlines flights
LOTCheapest£321Average£879FlexibilityNo cancel feeOn-time81%
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Scandinavian AirlinesCheapest£345Average£818FlexibilityNo cancel feeOn-time77%
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Riyadh AirCheapest£404Average£567FlexibilityNo cancel feeOn-timeN/A
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Fly with Cheapflights

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?

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