Cheap flights from Portsmouth to Kathmandu from £1,155

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — KTM
23 Jul — 30 Jul1
1 adult

Cheap flight deals from Portsmouth to Kathmandu

Keep the following information in mind while searching for Portsmouth to Kathmandu flight deals. Data was last updated 18 July 2025.

Round-trip from

£1,155

Popular in

December

Cheapest in

June

Average price

£988
30/8-6/9
  • 30/8-6/9
  • 4 total stops
  • 56h 55m total
  • Portsmouth to Kathmandu
Highest demand for flights based on searches. 3% potential increase in price (£21 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Portsmouth to Kathmandu

Cheapest flights from Portsmouth to Kathmandu
Explore the most affordable flight options available from Portsmouth to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2025.

Sat 30/818:05SOU - KTM
2 stops35h 00mMultiple Airlines
Sat 6/915:35KTM - SOU
2 stops21h 55mMultiple Airlines
Deal found 16/7£1,155
Sat 23/809:40SOU - KTM
2 stops26h 20mQatar Airways
Sat 1/1118:45KTM - SOU
2 stops30h 40mQatar Airways
Deal found 16/7£2,778

Cheapflights Fare Finder

Customise your flight search to find flights from Portsmouth to Kathmandu 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 18 July 2025.
Use the filters below to find and compare flights from Portsmouth to Kathmandu that are best for you.

Fly from

Portsmouth

Fly to

Kathmandu

Route

Depart

Return

Price

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Sat 30/8

18:05-09:50

2 stops35h 00m

Kathmandu Tribhuvan

Sat 6/9

15:35-08:45

2 stops21h 55m

£1,155

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Sat 23/8

09:40-16:45

2 stops26h 20m

Kathmandu Tribhuvan

Sat 1/11

18:45-19:40

2 stops30h 40m

£2,778

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Thu 25/9

08:40-08:50

2 stops19h 25m

£1,406

Flights are sorted by cheapest return flights first.

Deals found on 17/7

Best time to book a flight from Portsmouth to Kathmandu

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

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

Currently, August is the cheapest month in which you can book a flight from Portsmouth to Kathmandu (average of £907). Flying from Portsmouth to Kathmandu in October is currently the most expensive (average of £1,276). 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 KTM?

Find hourly flight availability from Portsmouth to Kathmandu. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 July 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portsmouth to Kathmandu as you normally would.

Reviews of airlines servicing Kathmandu

Get insights into the airlines that provide service to Kathmandu. 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 Kathmandu. Reviews last updated 18 July 2025.
Get a feel of what it's like to fly with Qatar Airways from Portsmouth to Kathmandu by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Crew

7.9

Comfort

7.4

Entertainment

7.4

Boarding

7.5

Overall

7.4

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines

Food

7.3

Crew

7.9

Comfort

7.4

Entertainment

7.4

Boarding

7.5

Overall

7.4

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Kathmandu. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Kathmandu from Portsmouth?

    Located just 2.5 mi from the city center, Kathmandu Tribhuvan is the airport most travelers will use when flying to Kathmandu from Portsmouth. Booking flights from Portsmouth to Tribhuvan (KTM) should be relatively easy as there are 0 daily inbound flights from Portsmouth from 16 different airlines.

  • Can I find deals for flights from Portsmouth to Kathmandu that include hotel bookings?

    Yes. In addition to deals on Portsmouth to Kathmandu flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portsmouth to Kathmandu?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Kathmandu.

  • Can I find deals for business class flights from Portsmouth to Kathmandu?

    Yes. Cheapflights offers flight deals from Portsmouth to Kathmandu 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 Kathmandu?

    Currently, August is the cheapest month in which you can book a flight from Portsmouth to Kathmandu (average of £907). Flying from Portsmouth to Kathmandu in October is currently the most expensive (average of £1,276). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Portsmouth to Kathmandu

Discover the top 10 airlines that operate flights from Portsmouth to Kathmandu. 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 18 July 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£404Average£667FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£496Average£643FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest£536Average£703FlexibilityNo cancel feeOn-time69%
Search China Southern flights
SriLankan AirlinesCheapest£546Average£715FlexibilityNo cancel feeOn-time68%
Search SriLankan Airlines flights
Air IndiaCheapest£559Average£836FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Kuwait AirwaysCheapest£578Average£829FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
VistaraCheapest£611Average£915FlexibilityNo cancel feeOn-timeN/A
Search Vistara flights
IndiGoCheapest£630Average£839FlexibilityNo cancel feeOn-time80%
Search IndiGo flights
Turkish AirlinesCheapest£640Average£774FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
KLMCheapest£689Average£874FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Portsmouth to Kathmandu?

When you search for this flight from Portsmouth to Kathmandu, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portsmouth to Kathmandu.

Can Cheapflights find flights from Portsmouth to Kathmandu with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portsmouth to Kathmandu, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Portsmouth to Kathmandu flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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