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556 € Cheap Flights from Porto to Kathmandu

Compare Porto to Kathmandu flight deals

Find the cheapest month or even day of the year to fly to Kathmandu

Book the best Kathmandu fare with no extra fees

Flight deals from Porto to Kathmandu

Looking for a cheap last-minute deal or the best return flight from Porto to Kathmandu? Find the lowest prices on one-way and return tickets right here.
Kathmandu.556 € per passenger.Departing Fri, 14 Nov, returning Sun, 1 Feb.Return flight with Ryanair and Air India.Outbound indirect flight with Ryanair, departs from Porto on Fri, 14 Nov, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Sun, 1 Feb, arriving in Porto.Price includes taxes and charges.From 556 €, select.
Kathmandu.556 € per passenger.Departing Fri, 31 Oct, returning Fri, 5 Dec.Return flight with Ryanair and Air India.Outbound indirect flight with Ryanair, departs from Porto on Fri, 31 Oct, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Fri, 5 Dec, arriving in Porto.Price includes taxes and charges.From 556 €, select.
Kathmandu.560 € per passenger.Departing Fri, 31 Oct, returning Tue, 18 Nov.Return flight with Ryanair and SpiceJet.Outbound indirect flight with Ryanair, departs from Porto on Fri, 31 Oct, arriving in Kathmandu.Inbound indirect flight with SpiceJet, departs from Kathmandu on Tue, 18 Nov, arriving in Porto.Price includes taxes and charges.From 560 €, select.
Kathmandu.573 € per passenger.Departing Fri, 7 Nov, returning Fri, 14 Nov.Return flight with Ryanair and Air India.Outbound indirect flight with Ryanair, departs from Porto on Fri, 7 Nov, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Fri, 14 Nov, arriving in Porto.Price includes taxes and charges.From 573 €, select.
Kathmandu.585 € per passenger.Departing Wed, 29 Oct, returning Tue, 3 Mar.Return flight with Air Europa and Nepal Airlines.Outbound indirect flight with Air Europa, departs from Porto on Wed, 29 Oct, arriving in Kathmandu.Inbound indirect flight with Nepal Airlines, departs from Kathmandu on Tue, 3 Mar, arriving in Porto.Price includes taxes and charges.From 585 €, select.
Kathmandu.605 € per passenger.Departing Thu, 2 Oct, returning Thu, 9 Oct.Return flight with easyJet and IndiGo.Outbound indirect flight with easyJet, departs from Porto on Thu, 2 Oct, arriving in Kathmandu.Inbound indirect flight with IndiGo, departs from Kathmandu on Thu, 9 Oct, arriving in Porto.Price includes taxes and charges.From 605 €, select.
Kathmandu.620 € per passenger.Departing Mon, 1 Dec, returning Fri, 5 Dec.Return flight with easyJet and SpiceJet.Outbound indirect flight with easyJet, departs from Porto on Mon, 1 Dec, arriving in Kathmandu.Inbound indirect flight with SpiceJet, departs from Kathmandu on Fri, 5 Dec, arriving in Porto.Price includes taxes and charges.From 620 €, select.
Kathmandu.644 € per passenger.Departing Mon, 12 Jan, returning Thu, 15 Jan.Return flight with Air Europa and Air India.Outbound indirect flight with Air Europa, departs from Porto on Mon, 12 Jan, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Thu, 15 Jan, arriving in Porto.Price includes taxes and charges.From 644 €, select.

Find the cheapest month to fly from Porto to Kathmandu

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Porto to Kathmandu flights are currently cheapest in November.
Sep
from 786 €
Oct
from 605 €
Nov
from 573 €
Dec
from 620 €
Jan
from 644 €
Feb
from 1.089 €
Mar
from 1.116 €
Apr
from 1.272 €
May
from 1.030 €
Jun
Find prices
Jul
Find prices
Aug
Find prices

Porto to Kathmandu: Alternative routes

Compare routes from Porto to Kathmandu below. You may find an airport to fly into that's cheaper, faster, or easier than Kathmandu.

Porto to Kathmandu: Flight information

The things to know before you go.
Cheapest flight found556 €
Cheapest month to flyOctober

Finding cheap flights from Porto to Kathmandu: Frequently asked questions

The best price we found for a return flight from Porto to Kathmandu is 556 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Porto to Kathmandu. But we found flights with one or more stops from 556 €.
As of September 2025, there are no flights flying from Porto to Kathmandu.
The cheapest month to fly from Porto to Kathmandu is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Kathmandu Airport on Friday, 31 October 2025.
No airlines currently offer direct flights between Porto Airport and Kathmandu Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kathmandu but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kathmandu is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Ryanair offers the cheapest flight tickets to Kathmandu.

Travelling from Porto Airport (OPO) to Tribhuvan International Airport (KTM): what you need to know

  • Kathmandu is five hours 47 minutes ahead of Porto and is in the UTC+5:47 timezone.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Show up at the airport on time to catch your OPO to KTM flight.

  • During popular months like August, you'll want to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead of an international flight when you fly during a peak period in general.

  • Enjoy a quick visit to another city or simply break up your journey with a stopover. Just uncheck 'Direct flights only' to see your options when searching for tickets from Porto Airport to Tribhuvan International Airport. Many passengers pass through Istanbul Ataturk Airport when flying between OPO and KTM.

How to find the cheapest flights from Porto Airport (OPO) to Tribhuvan International Airport (KTM)

  • The lowest price we've seen for a one-way Porto Airport to Tribhuvan International Airport flight is 237 €. A return ticket is currently 556 €. Depending on the availability when you book, these fares could change.

  • To pick up cheap tickets from OPO to KTM, book as early as you can. Airlines typically offer lower prices when flights are first released.

  • The 'Whole month' search tool shows you the cheapest flights from Porto Airport to Tribhuvan International Airport across every month. It's a good way to snap up a bargain if your travel dates aren't set in stone.

  • Never miss a deal on cheap flights from OPO to KTM by setting up a Price Alert. You'll get an email or notification through the app when a special offer becomes available.

  • Discover the ideal flight for you by using the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Porto Airport to Tribhuvan International Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and journey duration.

Handy information about Porto Airport (OPO)

  • Of all flights leaving Porto Airport, 74.49% land on schedule at their destination.

  • To get to Porto Airport from central Porto, it takes around 20 minutes if you're planning to drive. Of course, this depends on traffic. It's approximately 16 kilometres from the airport to the city centre.

  • Taking public transport? You can expect a journey time of around 50 minutes.

  • Taking an early flight from Porto Airport to Tribhuvan International Airport? Avoid the last-minute rush to the airport (and sneak in some extra precious sleep) by choosing one of these stays close to OPO:

Arriving at Tribhuvan International Airport (KTM)

  • Consider booking a hotel near KTM if you have a late Porto Airport to Tribhuvan International Airport flight. Settle into one of these options and skip the long transfer after landing:

  • Pick up a Tribhuvan International Airport rental car and explore corners of Kathmandu that most visitors tend to miss. You can book your wheels with Spark Car.

  • Booking your vehicle from Tribhuvan International Airport around one week ahead increases your chances of getting a good deal.

Getting from Tribhuvan International Airport (KTM) to central Kathmandu

  • Tribhuvan International Airport to central Kathmandu has a drive time of about 15 minutes. It's approximately 5 kilometres away.

When to fly to Tribhuvan International Airport (KTM)

  • It's time to pick your dates for your flight from Porto Airport to Tribhuvan International Airport. September is the busiest month to head to Kathmandu. If you're after a more relaxed vibe, go in February.

  • The warmest month in Kathmandu is June, with the temperature ranging between 17ºC (63ºF) and 28ºC (82ºF). Book your flights from Porto Airport to Tribhuvan International Airport in this month if this is the type of weather you like.

  • If you want to travel in cooler conditions, search for a cheap ticket from OPO to KTM in January. Temperatures average between 3ºC (37ºF) and 18ºC (64ºF) then.

Explore more of Nepal

  • You've done Kathmandu, now it's time to explore other parts of Nepal. Journey around 145 kilometres north-west to Pokhara to tick off its leading attractions. From Phewa Lake to Sarangkot and Gupteshwor Mahadev Cave, there's plenty to keep you on the go.

  • If you're ready to explore another well-known destination in Nepal, head for Patan, roughly 6 kilometres south of Kathmandu. Aspur Agro Farm, Pimbahaa Pukhoo and Rajib Handicraft are highlights.

Plan the rest of your trip from Porto to Kathmandu

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.