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PSM - LTN

Find cheap flights from Portsmouth to London

1 adult
0 bags
Sun 2/6
Sun 9/6

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portsmouth to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portsmouth to London, as well as popular online travel agencies
In the last 7 days, travellers have searched 43,693,958 times on KAYAK, and here's why:

Save 28% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

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Bundle and saveSave money when you bundle your flight + hotel.

When to book flights from Portsmouth to Luton

Are your dates flexible? Find out the best times to travel from Portsmouth to Luton based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Portsmouth to London flights

  • Which aircraft models fly most regularly from Portsmouth to London?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Portsmouth to London?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portsmouth to London.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portsmouth to London?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Portsmouth is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portsmouth to London?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London with an airline and back to Portsmouth with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portsmouth to London?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Portsmouth up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Portsmouth to London

One-way flight deals

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3211 miPSM-LTN

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Portsmouth - London Flights

Departure:

Portsmouth (PSM)United States

Destination:

London (LTN)United Kingdom

Return flight deals:

London - Portsmouth

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