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Cheap flights from Portsmouth to Kathmandu from £1,055

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — KTM
11 May — 18 May1
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 11 April 2026.

Mon 25/508:00
SOU
-
KTM
3 stops28h 00m
Multiple Airlines
Mon 1/619:10
KTM
-
SOU
3 stops26h 25m
Multiple Airlines
Deal found 10/4£1,055
Thu 21/509:05
SOU
-
KTM
3 stops26h 55m
Multiple Airlines
Thu 28/519:10
KTM
-
SOU
3 stops29h 05m
Multiple Airlines
Deal found 6/4£1,068
Sat 18/406:50
SOU
-
KTM
2 stops36h 00m
Multiple Airlines
Tue 5/519:55
KTM
-
SOU
2 stops21h 45m
Multiple Airlines
Deal found 6/4£1,303
Tue 12/509:20
SOU
-
KTM
2 stops18h 35m
Multiple Airlines
Tue 26/519:10
KTM
-
SOU
2 stops29h 05m
Multiple Airlines
Deal found 8/4£1,338
Mon 11/509:10
SOU
-
KTM
2 stops18h 45m
Qatar Airways
Mon 25/519:10
KTM
-
SOU
2 stops29h 05m
Qatar Airways
Deal found 8/4£1,345
Mon 4/509:20
SOU
-
KTM
2 stops18h 35m
Multiple Airlines
Tue 19/510:00
KTM
-
SOU
2 stops38h 15m
Multiple Airlines
Deal found 10/4£1,354

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 11 April 2026.

Round-trip from

£1,068

Popular in

December

Cheapest in

June

Average price

£821
21/5-28/5
  • 21/5-28/5
  • 6 total stops
  • 56h 00m total
  • Portsmouth to Kathmandu
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£10 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 April 2026
Search Deals

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 11 April 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

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Tue 16/6

09:20-08:50

2 stops18h 45m

Kathmandu Tribhuvan

Tue 30/6

18:00-19:30

2 stops30h 15m

£1,354

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Mon 4/5

09:20-08:40

2 stops18h 35m

Kathmandu Tribhuvan

Tue 19/5

10:00-19:30

2 stops38h 15m

£1,354
Fastest return journey

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Sat 9/5

09:10-08:40

2 stops18h 45m

Kathmandu Tribhuvan

Wed 13/5

19:10-19:30

2 stops29h 05m

£1,367

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Fri 15/5

09:10-08:40

2 stops18h 45m

Kathmandu Tribhuvan

Mon 25/5

19:10-19:30

2 stops29h 05m

£1,372

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Sun 4/10

20:00-09:50

2 stops33h 05m

Kathmandu Tribhuvan

Thu 8/10

18:45-19:30

2 stops29h 30m

£1,388

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Sat 9/5

09:10-08:40

2 stops18h 45m

Kathmandu Tribhuvan

Fri 29/5

19:10-19:30

2 stops29h 05m

£1,444

Flights are sorted by cheapest return flights first.

Deals found on 10/4

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.
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, February is the cheapest month in which you can book a flight from Portsmouth to Kathmandu (average of £412). Flying from Portsmouth to Kathmandu in December is currently the most expensive (average of £663). 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.

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.

  • 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 £1,367. 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.

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

    Currently, February is the cheapest month in which you can book a flight from Portsmouth to Kathmandu (average of £412). Flying from Portsmouth to Kathmandu in December is currently the most expensive (average of £663). 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

Travelling to a place near Kathmandu?

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

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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 11 April 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£269Average£739FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Etihad AirwaysCheapest£432Average£1,080FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
IndiGoCheapest£485Average£626FlexibilityNo cancel feeOn-time80%
Search IndiGo flights
Air IndiaCheapest£509Average£764FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Kuwait AirwaysCheapest£517Average£673FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
Air ChinaCheapest£540Average£713FlexibilityNo cancel feeOn-time67%
Search Air China flights
EmiratesCheapest£592Average£921FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Turkish AirlinesCheapest£619Average£753FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air ArabiaCheapest£649Average£686FlexibilityNo cancel feeOn-time79%
Search Air Arabia flights
Thai AirwaysCheapest£717Average£922FlexibilityNo cancel feeOn-time77%
Search Thai Airways 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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