United Kingdom
GBP

KTI

Find Cheap Flights from Portsmouth to Phnom Penh – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 28% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Phnom Penh!
Flight Deals
Useful Info
Flight Deals
Useful Info

When to book flights from Portsmouth to Phnom Penh

Are your dates flexible? Find out the best times to travel from Portsmouth to Phnom Penh based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Portsmouth to Phnom Penh flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Do I need a passport to fly from Portsmouth to Phnom Penh?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • What is the time difference between Portsmouth and Phnom Penh?

    Phnom Penh is 6 hours ahead of Portsmouth (Indochina Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

More options for your flight from Portsmouth to Phnom Penh

Complete your trip to Phnom Penh with a hotel stay or car hire

Car hire in Phnom Penh
Hotels in Phnom Penh
Holidays in Phnom Penh