How long is the flight from Portsmouth to Kathmandu?

A quick flight from Portsmouth to Kathmandu can take about 18h 45m. Qatar Airways provides one of the quickest options available for as low as £1,712. The distance between Portsmouth and Kathmandu is about 4617 mi.

In terms of precipitation, rainfall in Kathmandu ranges from 0.0 - 370.0 inches per month. July is typically the wettest month, when rainfall can reach 370.0 mm. November is typically the driest time to visit Kathmandu when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Kathmandu, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 10.0 C).

What is the cheapest time of day to fly from P0R to KTM?

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.

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 14 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.

£810+ Cheap Flights from Portsmouth to Kathmandu

Cheap flight deals from Portsmouth to Kathmandu

Enter your travel dates to find the best prices.

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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 7 September 2026.

Wed 30/909:20 -

3 stops32h 55m

Wed 28/1009:35 -

2 stops32h 05m

Deal found 5/9£810

Sat 3/1009:20 -

3 stops23h 20m

Fri 9/1016:40 -

3 stops28h 55m

Deal found 3/9£831

Tue 20/1009:05 -

3 stops33h 55m

Tue 27/1006:30 -

3 stops32h 05m

Deal found 5/9£897

Wed 9/908:55 -

2 stops19h 10m

Mon 21/919:00 -

2 stops29h 15m

Deal found 4/9£1,476

Wed 9/920:00 -

2 stops32h 05m

Mon 21/917:30 -

2 stops30h 45m

Deal found 6/9£1,635

Find flight deals from Portsmouth to Kathmandu

Round-trip from	£810
Popular in	December
Cheapest in	June
Average price	£816

30/9-28/10
5 total stops
65h 00m total
Portsmouth to Kathmandu

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (£18 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£12 potential savings vs. average return price).

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Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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

SouthamptonKathmandu

SOU Southampton Eastleigh - KTM Kathmandu Tribhuvan

SOUKTM

Southampton Eastleigh

Tue 20/10

09:05-23:45

3 stops33h 55m

Kathmandu Tribhuvan

Tue 27/10

06:30-08:50

3 stops32h 05m

£897

Fastest return journey

SouthamptonKathmandu

SOU Southampton Eastleigh - KTM Kathmandu Tribhuvan

SOUKTM

Southampton Eastleigh

Thu 7/1

09:20-17:30

2 stops26h 25m

Kathmandu Tribhuvan

Wed 31/12

00:00-19:30

Nonstop0h 00m

£927

SouthamptonKathmandu

SOU Southampton Eastleigh - KTM Kathmandu Tribhuvan

SOUKTM

Southampton Eastleigh

Tue 1/12

09:20-09:50

2 stops18h 45m

Kathmandu Tribhuvan

Mon 14/12

09:35-19:30

2 stops39h 40m

£1,712

SouthamptonKathmandu

SOU Southampton Eastleigh - KTM Kathmandu Tribhuvan

SOUKTM

Southampton Eastleigh

Sat 7/11

10:15-08:20

2 stops16h 20m

Kathmandu Tribhuvan

Sat 5/12

11:05-19:30

2 stops38h 10m

£1,715

SouthamptonKathmandu

SOU Southampton Eastleigh - KTM Kathmandu Tribhuvan

SOUKTM

Southampton Eastleigh

Sat 30/1

09:20-08:20

2 stops17h 15m

Kathmandu Tribhuvan

Wed 3/2

17:40-19:30

2 stops31h 35m

£1,718

SouthamptonKathmandu

SOU Southampton Eastleigh - KTM Kathmandu Tribhuvan

SOUKTM

Southampton Eastleigh

Fri 4/12

20:00-09:50

2 stops32h 05m

Kathmandu Tribhuvan

Sun 20/12

18:45-19:30

2 stops30h 30m

£1,782

SouthamptonKathmandu

SOU Southampton Eastleigh - KTM Kathmandu Tribhuvan

SOUKTM

Southampton Eastleigh

Sun 1/11

20:00-17:30

2 stops39h 45m

Kathmandu Tribhuvan

Thu 10/12

09:35-19:30

2 stops39h 40m

£1,805

SouthamptonKathmandu

SOU Southampton Eastleigh - KTM Kathmandu Tribhuvan

SOUKTM

Southampton Eastleigh

Fri 6/11

20:00-16:25

2 stops38h 40m

Kathmandu Tribhuvan

Fri 4/12

17:40-19:30

2 stops55h 35m

£1,828

Flights are sorted by cheapest return flights first.

Deals found on 7/9

Sorted by cheapest first

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.

SOU-KTM

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

P0R-KTM

SOU-KTM

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

Related info for your journey

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 14 different airlines.
How long is the flight from Portsmouth to Kathmandu?
A quick flight from Portsmouth to Kathmandu can take about 18h 45m. Qatar Airways provides one of the quickest options available for as low as £1,712. 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.

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Top 10 airlines flying from Portsmouth to Kathmandu

Airline	Cheapest	Average	Flexibility	On-time
China Eastern	Cheapest£267	Average£643	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
China Southern	Cheapest£392	Average£857	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
IndiGo	Cheapest£489	Average£658	FlexibilityNo cancel fee	On-time80%	Search IndiGo flights
SriLankan Airlines	Cheapest£498	Average£802	FlexibilityNo cancel fee	On-time68%	Search SriLankan Airlines flights
Kuwait Airways	Cheapest£523	Average£693	FlexibilityNo cancel fee	On-time64%	Search Kuwait Airways flights
Air India	Cheapest£529	Average£750	FlexibilityNo cancel fee	On-timeN/A	Search Air India flights
Etihad Airways	Cheapest£557	Average£861	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Turkish Airlines	Cheapest£620	Average£821	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
Air China	Cheapest£633	Average£729	FlexibilityNo cancel fee	On-time67%	Search Air China flights
Qatar Airways	Cheapest£643	Average£922	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights

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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?

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Cheap flights from Portsmouth to Kathmandu from £810

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portsmouth to Kathmandu

Cheapest flights from Portsmouth to KathmanduExplore 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 7 September 2026.

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 7 September 2026.

Best flights from Portsmouth to KathmanduDiscover carefully curated flight deals from Portsmouth to Kathmandu that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 September 2026.

Discover carefully curated flight deals from Portsmouth to Kathmandu that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 September 2026.

Last-minute flights from Portsmouth to KathmanduDiscover last-minute flight deals from Portsmouth to Kathmandu. Data last updated 7 September 2026 and is based on user searches.

Discover last-minute flight deals from Portsmouth to Kathmandu. Data last updated 7 September 2026 and is based on user searches.

One-way flights from Portsmouth to KathmanduSearch for one-way flight options from Portsmouth to Kathmandu. Find affordable one-way fares based on user searches. Data last updated 7 September 2026.

Search for one-way flight options from Portsmouth to Kathmandu. Find affordable one-way fares based on user searches. Data last updated 7 September 2026.

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Best time to book a flight from Portsmouth to Kathmandu

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Cheapflights Insights

Related info for your journey

What airport do you fly into for flights to Kathmandu from Portsmouth?

How long is the flight from Portsmouth to Kathmandu?

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

How can I find direct flights from Portsmouth to Kathmandu?

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

Travelling to a place near Kathmandu?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portsmouth to Kathmandu

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Complete your trip

Complete your trip to Kathmandu by adding a car hire and/or hotel booking to your travel itinerary.

Search flights from Portsmouth to Kathmandu by cabin class

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Other flights to Kathmandu

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Portsmouth and Kathmandu flights

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Portsmouth to Kathmandu flights

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Top 10 airlines flying from Portsmouth to Kathmandu

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

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

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

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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 7 September 2026.

Best flights from Portsmouth to Kathmandu
Discover carefully curated flight deals from Portsmouth to Kathmandu that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 September 2026.

Last-minute flights from Portsmouth to Kathmandu
Discover last-minute flight deals from Portsmouth to Kathmandu. Data last updated 7 September 2026 and is based on user searches.

One-way flights from Portsmouth to Kathmandu
Search for one-way flight options from Portsmouth to Kathmandu. Find affordable one-way fares based on user searches. Data last updated 7 September 2026.