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£38+ Cheap flights from Portsmouth

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 20/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LHR — BKK
22 Aug — 29 Aug1
1 adult

What to know about flights from Portsmouth

Discover essential information about flights departing from Portsmouth, including flight schedules, destinations, airlines operating at the Portsmouth airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 17 August 2025.

Cheapest airline

Air France
On average, Air France currently has the cheapest one-way flight from Portsmouth (avg. price of £630).
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Find flights from Portsmouth

Cheapest flights from Portsmouth
Explore the most affordable flight options available from Portsmouth. Find the lowest fares based on data from user searches, with prices last updated on 17 August 2025.

Thu 2/1011:25SOU - GLA
Nonstop1h 25measyJet
Sun 5/1007:25GLA - SOU
1 stop4h 00measyJet
Deal found 16/8£66
Sun 18/118:20SOU - GLA
Nonstop1h 20measyJet
Fri 30/115:50GLA - SOU
Nonstop1h 20measyJet
Deal found 16/8£69
Mon 19/112:05SOU - GLA
Nonstop1h 20measyJet
Fri 30/115:50GLA - SOU
Nonstop1h 20measyJet
Deal found 16/8£71
Sun 31/821:30SOU - GLA
Nonstop1h 25measyJet
Wed 3/907:10GLA - SOU
Nonstop1h 20measyJet
Deal found 17/8£74
Wed 17/909:00SOU - GLA
Nonstop1h 25measyJet
Wed 24/920:55GLA - SOU
1 stop17h 25measyJet
Deal found 16/8£75
Tue 2/912:25SOU - GLA
Nonstop1h 25measyJet
Wed 3/907:10GLA - SOU
Nonstop1h 20measyJet
Deal found 17/8£80
Thu 25/915:05SOU - EDI
1 stop7h 40measyJet
Sat 27/907:00EDI - SOU
1 stop7h 50measyJet
Deal found 17/8£80
Fri 26/920:15SOU - AMS
Nonstop1h 15measyJet
Mon 29/911:10AMS - SOU
Nonstop1h 20measyJet
Deal found 15/8£86
Fri 26/912:25SOU - EDI
1 stop9h 45measyJet
Sat 27/907:00EDI - SOU
1 stop7h 50measyJet
Deal found 15/8£87
Thu 2/1015:05SOU - EDI
1 stop7h 40measyJet
Sun 5/1006:25EDI - SOU
1 stop5h 00measyJet
Deal found 16/8£89
Fri 26/920:15SOU - AMS
Nonstop1h 15measyJet
Mon 29/911:10AMS - SOU
Nonstop1h 20measyJet
Deal found 15/8£89
Fri 12/920:15SOU - AMS
Nonstop1h 15measyJet
Fri 19/919:15AMS - SOU
Nonstop1h 20measyJet
Deal found 17/8£91

Find flights from Portsmouth within your budget

 
Find flights departing from Portsmouth that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 17 August 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Suvarnabhumi

Route

Depart

Return

Price

SouthamptonGlasgow

SOU - GLA

SOUGLA

Southampton Eastleigh

Thu 2/10

11:25-12:50

Nonstop1h 25m

Glasgow Intl

Sun 5/10

07:25-11:25

1 stop4h 00m

£66

SouthamptonGlasgow

SOU - GLA

SOUGLA

Southampton Eastleigh

Sun 18/1

18:20-19:40

Nonstop1h 20m

Glasgow Intl

Thu 29/1

16:00-17:20

Nonstop1h 20m

£69

SouthamptonGlasgow

SOU - GLA

SOUGLA

Southampton Eastleigh

Sun 18/1

18:20-19:40

Nonstop1h 20m

Glasgow Intl

Fri 30/1

15:50-17:10

Nonstop1h 20m

£69

SouthamptonGlasgow

SOU - GLA

SOUGLA

Southampton Eastleigh

Mon 19/1

12:05-13:25

Nonstop1h 20m

Glasgow Intl

Fri 30/1

15:50-17:10

Nonstop1h 20m

£71

SouthamptonGlasgow

SOU - GLA

SOUGLA

Southampton Eastleigh

Mon 19/1

12:05-13:25

Nonstop1h 20m

Glasgow Intl

Thu 29/1

16:00-17:20

Nonstop1h 20m

£71

SouthamptonGlasgow

SOU - GLA

SOUGLA

Southampton Eastleigh

Sun 31/8

21:30-22:55

Nonstop1h 25m

Glasgow Intl

Wed 3/9

07:10-08:30

Nonstop1h 20m

£74

SouthamptonGlasgow

SOU - GLA

SOUGLA

Southampton Eastleigh

Wed 17/9

09:00-10:25

Nonstop1h 25m

Glasgow Intl

Wed 24/9

18:55-14:20

1 stop19h 25m

£75

SouthamptonGlasgow

SOU - GLA

SOUGLA

Southampton Eastleigh

Tue 2/9

12:25-13:50

Nonstop1h 25m

Glasgow Intl

Wed 3/9

07:10-08:30

Nonstop1h 20m

£80

SouthamptonEdinburgh

SOU - EDI

SOUEDI

Southampton Eastleigh

Thu 25/9

15:05-22:45

1 stop7h 40m

Edinburgh Turnhouse

Sat 27/9

07:00-14:50

1 stop7h 50m

£80

SouthamptonAmsterdam

SOU - AMS

SOUAMS

Southampton Eastleigh

Fri 26/9

20:15-22:30

Nonstop1h 15m

Amsterdam Schiphol

Mon 29/9

11:10-11:30

Nonstop1h 20m

£86

Flights are sorted by cheapest return flights first.

Deals found on 15/8

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

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

Travel insights for flights from Portsmouth

Get recent, data-driven insights about flights from Portsmouth including ideal travel times, pricing trends, and more.

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

Currently, November is the cheapest month in which you can book a flight from Portsmouth (average of £358). Flying from Portsmouth in July will prove the most costly (average of £561). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the cheapest time to fly from Portsmouth?

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

Those who are seeking the cheapest fare on flights departing from Portsmouth would be wise to consider leaving during Monday mornings when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Thursday evenings when fares are usually the most expensive.

Which airlines fly from Portsmouth?

Only one airline operates round-trip flights from Portsmouth: KLM. This airline flies to the following popular destinations: Bangkok.

KLM
KLM
From £169
easyJet
easyJet
From £24
Aer Lingus
Aer Lingus
From £81
Loganair
Loganair
From £66

Airline reviews for flights from Portsmouth

Get insights into the airlines that provide service from Portsmouth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Portsmouth. In the last 7 days, Cheapflights users made a total of 858,174 searches.
See what other customers who have flown with KLM from Portsmouth have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,385 reviews
Check prices

Entertainment

7.1

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Crew

8.4

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
1,385 reviews
KLM
7.8
Good
1,385 reviews
Check prices

Entertainment

7.1

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Crew

8.4

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.

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Related info for your journey

Access useful and relevant information related to your journey from Portsmouth. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 17 August 2025.

  • What is the cheapest airport to fly out of Portsmouth?

    London Luton airport offers the cheapest routes to Aberdeen, from £24; whereas Wroclaw Strachowice airport is typically cheaper if you're flying to Edinburgh, from £25. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

  • What is the cheapest month to fly from Portsmouth?

    At the present moment the cheapest month to fly from Portsmouth is currently November; with July being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Portsmouth?

    Check out the cheapest flights from Portsmouth to embark to:
    Travel from London to Sofia from £24 round trip
    Travel from Wroclaw to London from £25 round trip
    Travel from London to Tirana from £27 round trip
    Travel from London to Gdansk from £27 round trip
    Travel from London to Lyon from £27 round trip

  • How does Cheapflights help users find flights from Portsmouth?

    Cheapflights makes it easy to find flights from Portsmouth by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

    Cheapflights helps you find that perfect flight 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 with no change fees?

    Need flexible booking options for your flight from Portsmouth ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

    Not ready to book yet? You can track prices for flights from Portsmouth on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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How does Cheapflights help users find flights from Portsmouth?

Cheapflights makes it easy to find flights from Portsmouth by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight 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 with no change fees?

Need flexible booking options for your flight from Portsmouth ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from Portsmouth on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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