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Cheap flights from Portsmouth to Kathmandu from £846

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 22/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — KTM
16 Jun — 23 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Kathmandu

Enter your travel dates to find the best prices.

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 17 May 2026.

Fri 5/606:45
SOU
-
KTM
2 stops26h 40m
Multiple Airlines
Thu 11/620:50
KTM
-
SOU
2 stops28h 40m
Multiple Airlines
Deal found 17/5£858
Wed 4/1109:20
SOU
-
KTM
2 stops25h 20m
Qatar Airways
Sat 28/1117:40
KTM
-
SOU
2 stops31h 35m
Qatar Airways
Deal found 17/5£1,489
Fri 16/1008:55
SOU
-
KTM
2 stops27h 50m
Multiple Airlines
Sat 31/1017:40
KTM
-
SOU
2 stops32h 20m
Multiple Airlines
Deal found 16/5£1,526
Sun 18/1009:20
SOU
-
KTM
2 stops27h 25m
Multiple Airlines
Fri 13/1117:40
KTM
-
SOU
2 stops21h 50m
Multiple Airlines
Deal found 13/5£1,700

Find flight deals from Portsmouth to Kathmandu

Keep the following information in mind while searching for Portsmouth to Kathmandu flight deals. Data was last updated 17 May 2026.

Round-trip from

£858

One-way from

£846

Popular in

December

Cheapest in

June

Average price

£774
5/6-11/6
  • 5/6-11/6
  • 4 total stops
  • 55h 20m total
  • Portsmouth to Kathmandu
Search Deals
22/6
  • 22/6
  • 2 total stops
  • 18h 45m total
  • Portsmouth to Kathmandu
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£6 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
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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 17 May 2026.
Use the filters below to find and compare flights from Portsmouth to Kathmandu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Fri 5/6

06:45-14:10

2 stops26h 40m

Kathmandu Tribhuvan

Thu 11/6

16:40-17:45

2 stops29h 50m

£947

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Wed 4/11

09:20-16:25

2 stops25h 20m

Kathmandu Tribhuvan

Sat 28/11

17:40-19:30

2 stops31h 35m

£1,489

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Fri 16/10

08:55-17:30

2 stops27h 50m

Kathmandu Tribhuvan

Sat 31/10

17:40-20:15

2 stops32h 20m

£1,526

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Sat 3/10

09:20-16:45

2 stops26h 40m

Kathmandu Tribhuvan

Sat 31/10

17:40-19:30

2 stops31h 35m

£1,759
Cheapest one-way
Fastest single journey

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Mon 22/6

09:20-08:50

2 stops18h 45m

£846

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Tue 23/6

20:00-09:50

2 stops33h 05m

£854

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Wed 24/6

09:20-09:50

2 stops19h 45m

£854

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Thu 25/6

20:00-09:50

2 stops33h 05m

£854

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Thu 5/11

09:20-16:25

2 stops25h 20m

£855

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Wed 11/11

09:20-16:25

2 stops25h 20m

£855

Flights are sorted by cheapest return flights first.

Deals found on 17/5

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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
No data available for this route at this time. Please check back soon.

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 17 different airlines.

  • How long is the flight from Portsmouth to Kathmandu?

    A quick flight from Portsmouth to Kathmandu can take about 25h 20m. Qatar Airways provides one of the quickest options available for as low as £1,489. The distance between Portsmouth and Kathmandu is about 4617 mi.

  • 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.

See more FAQs

Travelling to a place near Kathmandu?

Book flights to Kathmandu if you plan to visit one of these locations
Nagarkot

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 17 May 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£271Average£763FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Etihad AirwaysCheapest£436Average£1,045FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
IndiGoCheapest£490Average£657FlexibilityNo cancel feeOn-time80%
Search IndiGo flights
Air IndiaCheapest£514Average£772FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Kuwait AirwaysCheapest£523Average£678FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
Turkish AirlinesCheapest£625Average£759FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air ChinaCheapest£642Average£748FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air ArabiaCheapest£655Average£692FlexibilityNo cancel feeOn-time79%
Search Air Arabia flights
Thai AirwaysCheapest£724Average£948FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
SWISSCheapest£740Average£955FlexibilityNo cancel feeOn-time79%
Search SWISS flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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