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Cheap flights from Portsmouth to Kathmandu from £824

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — KTM
20 Jan — 27 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Kathmandu

Enter your travel dates to find the best prices.

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 21 December 2025.

Sat 14/317:15SOU - KTM
3 stops38h 30mMultiple Airlines
Sat 4/408:40KTM - SOU
3 stops40h 50mMultiple Airlines
Deal found 20/12£824
Mon 26/109:30SOU - KTM
2 stops16h 40mQatar Airways
Thu 29/117:40KTM - SOU
2 stops31h 45mQatar Airways
Deal found 18/12£1,608
Mon 23/308:40SOU - KTM
2 stops20h 45mMultiple Airlines
Sun 12/407:30KTM - SOU
2 stops36h 00mMultiple Airlines
Deal found 19/12£1,347
Fri 23/109:30SOU - KTM
2 stops16h 40mMultiple Airlines
Wed 11/217:40KTM - SOU
2 stops27h 40mMultiple Airlines
Deal found 19/12£1,442
Tue 24/312:25SOU - KTM
2 stops23h 40mQatar Airways
Tue 14/418:00KTM - SOU
2 stops30h 15mQatar Airways
Deal found 19/12£1,712
Mon 23/309:30SOU - KTM
2 stops16h 40mQatar Airways
Wed 15/418:00KTM - SOU
2 stops30h 15mQatar Airways
Deal found 19/12£1,712
Mon 23/309:30SOU - KTM
2 stops16h 40mQatar Airways
Mon 13/410:55KTM - SOU
2 stops37h 20mQatar Airways
Deal found 19/12£1,712

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 21 December 2025.

Round-trip from

£824

Popular in

December

Cheapest in

June

Average price

£1,017
14/3-4/4
  • 14/3-4/4
  • 6 total stops
  • 79h 20m 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 (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 21 December 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 14/3

17:15-13:30

3 stops38h 30m

Kathmandu Tribhuvan

Sat 4/4

08:40-20:45

3 stops40h 50m

£824

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Mon 23/3

08:40-11:10

2 stops20h 45m

Kathmandu Tribhuvan

Sun 12/4

07:30-14:45

2 stops36h 00m

£1,347

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Fri 23/1

09:30-07:55

2 stops16h 40m

Kathmandu Tribhuvan

Wed 11/2

17:40-15:35

2 stops27h 40m

£1,442

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Mon 26/1

09:30-07:55

2 stops16h 40m

Kathmandu Tribhuvan

Thu 29/1

17:40-19:40

2 stops31h 45m

£1,608

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Tue 24/3

12:25-17:50

2 stops23h 40m

Kathmandu Tribhuvan

Tue 14/4

18:00-19:30

2 stops30h 15m

£1,712

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Mon 23/3

09:30-07:55

2 stops16h 40m

Kathmandu Tribhuvan

Wed 15/4

18:00-19:30

2 stops30h 15m

£1,712

SouthamptonKathmandu

SOU - KTM

SOUKTM

Southampton Eastleigh

Mon 23/3

09:30-07:55

2 stops16h 40m

Kathmandu Tribhuvan

Mon 13/4

10:55-19:30

2 stops37h 20m

£1,712

Flights are sorted by cheapest return flights first.

Deals found on 20/12

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 £519). Flying from Portsmouth to Kathmandu in December is currently the most expensive (average of £664). 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 21 December 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 19% on flights from Portsmouth to Kathmandu by exploring options for tickets in the morning.

What is the cheapest day to fly from Portsmouth to Kathmandu?

Use this chart to determine the cheapest time to fly return from Portsmouth to Kathmandu. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Portsmouth to Kathmandu flight should consider departing on Thursday mornings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 15 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, February is the cheapest month in which you can book a flight from Portsmouth to Kathmandu (average of £519). Flying from Portsmouth to Kathmandu in December is currently the most expensive (average of £664). 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 21 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£490Average£630FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air IndiaCheapest£512Average£795FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Kuwait AirwaysCheapest£517Average£689FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
SriLankan AirlinesCheapest£547Average£732FlexibilityNo cancel feeOn-time68%
Search SriLankan Airlines flights
China SouthernCheapest£553Average£765FlexibilityNo cancel feeOn-time69%
Search China Southern flights
IndiGoCheapest£588Average£786FlexibilityNo cancel feeOn-time80%
Search IndiGo flights
China EasternCheapest£608Average£690FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Turkish AirlinesCheapest£634Average£772FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Thai AirwaysCheapest£720Average£908FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
EmiratesCheapest£737Average£926FlexibilityNo cancel feeOn-time75%
Search Emirates 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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