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Cheap flights from Portsmouth to Kathmandu from £1,178

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — KTM
21 Mar — 28 Mar1
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 19 February 2026.

Wed 1/420:00
SOU
-
KTM
3 stops33h 05m
Multiple Airlines
Wed 22/423:20
KTM
-
SOU
3 stops24h 50m
Multiple Airlines
Deal found 17/2£1,178
Fri 3/409:05
SOU
-
KTM
3 stops33h 55m
Multiple Airlines
Fri 10/407:45
KTM
-
SOU
3 stops29h 45m
Multiple Airlines
Deal found 17/2£1,204
Mon 17/809:10
SOU
-
KTM
2 stops18h 55m
Multiple Airlines
Sat 12/918:00
KTM
-
SOU
2 stops20h 30m
Multiple Airlines
Deal found 18/2£1,313
Mon 17/809:10
SOU
-
KTM
2 stops18h 55m
Qatar Airways
Mon 14/918:00
KTM
-
SOU
2 stops30h 15m
Qatar Airways
Deal found 18/2£1,404
Wed 1/409:05
SOU
-
KTM
2 stops20h 00m
KLM
Wed 22/416:40
KTM
-
SOU
2 stops44h 40m
KLM
Deal found 17/2£1,405
Mon 17/809:10
SOU
-
KTM
2 stops18h 55m
Qatar Airways
Thu 10/911:05
KTM
-
SOU
2 stops37h 10m
Qatar Airways
Deal found 18/2£1,406
Thu 12/309:30
SOU
-
KTM
2 stops26h 35m
Qatar Airways
Mon 16/317:40
KTM
-
SOU
2 stops51h 40m
Qatar Airways
Deal found 17/2£1,422
Fri 14/820:00
SOU
-
KTM
2 stops32h 05m
Qatar Airways
Tue 15/918:00
KTM
-
SOU
2 stops30h 15m
Qatar Airways
Deal found 18/2£1,431
Fri 14/820:00
SOU
-
KTM
2 stops32h 05m
Qatar Airways
Wed 9/918:00
KTM
-
SOU
2 stops30h 15m
Qatar Airways
Deal found 18/2£1,432

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 19 February 2026.

Round-trip from

£1,178

Popular in

December

Cheapest in

June

Average price

£808
1/4-22/4
  • 1/4-22/4
  • 6 total stops
  • 57h 55m total
  • Portsmouth to Kathmandu
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£9 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 February 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 19 February 2026.
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

Wed 1/4

20:00-09:50

3 stops33h 05m

Kathmandu Tribhuvan

Wed 22/4

23:20-19:25

3 stops24h 50m

£1,178

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Fri 3/4

09:05-23:45

3 stops33h 55m

Kathmandu Tribhuvan

Fri 10/4

07:45-08:45

3 stops29h 45m

£1,204

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Tue 18/8

09:15-08:50

2 stops18h 50m

Kathmandu Tribhuvan

Tue 15/9

18:00-19:30

2 stops30h 15m

£1,404

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Mon 17/8

09:10-08:50

2 stops18h 55m

Kathmandu Tribhuvan

Tue 15/9

18:00-19:30

2 stops30h 15m

£1,404

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Wed 1/4

09:05-09:50

2 stops20h 00m

Kathmandu Tribhuvan

Wed 22/4

16:40-08:35

2 stops44h 40m

£1,405

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Tue 18/8

09:15-08:50

2 stops18h 50m

Kathmandu Tribhuvan

Thu 10/9

11:05-19:30

2 stops37h 10m

£1,406

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Tue 18/8

09:15-08:50

2 stops18h 50m

Kathmandu Tribhuvan

Wed 9/9

18:00-19:30

2 stops30h 15m

£1,406

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Mon 17/8

09:10-08:50

2 stops18h 55m

Kathmandu Tribhuvan

Thu 10/9

11:05-19:30

2 stops37h 10m

£1,406

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Thu 12/3

09:30-17:50

2 stops26h 35m

Kathmandu Tribhuvan

Mon 16/3

17:40-15:35

2 stops51h 40m

£1,422

Flights are sorted by cheapest return flights first.

Deals found on 17/2

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

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 £430). Flying from Portsmouth to Kathmandu in December is currently the most expensive (average of £659). 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 50m. Qatar Airways provides one of the quickest options available for as low as £1,404. 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 £430). Flying from Portsmouth to Kathmandu in December is currently the most expensive (average of £659). 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

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 19 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£480Average£672FlexibilityNo cancel feeOn-time67%
Search Air China flights
IndiGoCheapest£481Average£717FlexibilityNo cancel feeOn-time80%
Search IndiGo flights
Air IndiaCheapest£508Average£777FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Kuwait AirwaysCheapest£514Average£673FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
SriLankan AirlinesCheapest£552Average£738FlexibilityNo cancel feeOn-time68%
Search SriLankan Airlines flights
Etihad AirwaysCheapest£580Average£1,085FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
EmiratesCheapest£590Average£922FlexibilityNo cancel feeOn-time75%
Search Emirates flights
China EasternCheapest£607Average£700FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Turkish AirlinesCheapest£626Average£755FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air ArabiaCheapest£644Average£672FlexibilityNo cancel feeOn-time79%
Search Air Arabia 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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