How long is the flight from Porto to Kathmandu?

Turkish Airlines can get you from Porto to Kathmandu in just under 13h 10m. Your travel time can differ by up to . The distance between Porto and Kathmandu is about 5175 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 OPO to KTM?

When flying from Porto to Kathmandu, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Yes. In addition to deals on Porto to Kathmandu flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Porto to Kathmandu?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto to Kathmandu.

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

Yes. Cheapflights offers flight deals from Porto 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.

£233+ Cheap Flights from Porto to Kathmandu

Cheap flight deals from Porto to Kathmandu

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Porto to Kathmandu
Explore the most affordable flight options available from Porto to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 September 2026.

Tue 8/1210:55 -

1 stop18h 40m

Thu 4/212:45 -

1 stop32h 25m

Deal found 22/9£713

Mon 7/1210:55 -

1 stop18h 40m

Thu 4/212:45 -

1 stop32h 25m

Deal found 22/9£911

Mon 7/1212:25 -

2 stops23h 20m

Thu 4/209:35 -

2 stops27h 50m

Deal found 22/9£928

Sun 25/1020:50 -

2 stops38h 55m

Thu 29/1011:05 -

2 stops26h 20m

Deal found 22/9£971

Fri 11/1212:25 -

2 stops23h 20m

Thu 4/209:35 -

2 stops27h 50m

Deal found 22/9£973

Fri 11/1210:55 -

1 stop18h 40m

Thu 4/212:45 -

2 stops35h 00m

Deal found 22/9£1,047

Tue 8/1220:40 -

2 stops39h 05m

Thu 4/209:35 -

2 stops27h 50m

Deal found 22/9£1,048

Sat 10/1020:40 -

2 stops38h 50m

Fri 1/117:40 -

2 stops32h 05m

Deal found 23/9£1,410

Sat 10/1020:40 -

2 stops38h 50m

Tue 5/109:35 -

2 stops27h 50m

Deal found 23/9£1,419

Sat 10/1020:40 -

2 stops38h 50m

Sun 3/117:40 -

2 stops28h 05m

Deal found 23/9£1,469

Sat 10/1020:40 -

2 stops38h 50m

Sat 2/117:40 -

2 stops43h 45m

Deal found 23/9£1,470

Find flight deals from Porto to Kathmandu

Round-trip from	£663
One-way from	£233
Popular in	October
Cheapest in	February
Average price	£1,050

Turkish Airlines
3/2-7/2
2 total stops
45h 35m total
Porto to Kathmandu

Search Deals

3/11-31/12
3 total stops
40h 55m total
Porto to Kathmandu

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (£71 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£20 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortoKathmandu

OPO Porto - KTM Kathmandu Tribhuvan

OPOKTM

Porto

Fri 6/11

06:15-10:30

2 stops22h 30m

Kathmandu Tribhuvan

Wed 31/12

00:00-19:30

Nonstop0h 00m

£349

PortoKathmandu

OPO Porto - KTM Kathmandu Tribhuvan

OPOKTM

Porto

Sat 7/11

10:55-13:50

2 stops45h 10m

Kathmandu Tribhuvan

Wed 31/12

00:00-19:30

Nonstop0h 00m

£510

PortoKathmandu

OPO Porto - KTM Kathmandu Tribhuvan

OPOKTM

Porto

Mon 16/11

20:40-09:50

2 stops31h 25m

Kathmandu Tribhuvan

Wed 31/12

00:00-19:30

Nonstop0h 00m

£512

PortoKathmandu

OPO Porto - KTM Kathmandu Tribhuvan

OPOKTM

Porto

Thu 12/11

16:40-16:25

2 stops18h 00m

Kathmandu Tribhuvan

Wed 31/12

00:00-19:30

Nonstop0h 00m

£512

PortoKathmandu

OPO Porto - KTM Kathmandu Tribhuvan

OPOKTM

Porto

Wed 4/11

11:30-13:55

2 stops20h 40m

Kathmandu Tribhuvan

Wed 31/12

00:00-19:30

Nonstop0h 00m

£516

PortoKathmandu

OPO Porto - KTM Kathmandu Tribhuvan

OPOKTM

Porto

Wed 3/2

16:25-11:20

1 stop13h 10m

Kathmandu Tribhuvan

Sun 7/2

12:45-15:25

1 stop32h 25m

£663

PortoKathmandu

OPO Porto - KTM Kathmandu Tribhuvan

OPOKTM

Porto

Fri 12/2

10:55-11:20

1 stop18h 40m

Kathmandu Tribhuvan

Mon 8/3

12:45-15:10

1 stop32h 10m

£666

PortoKathmandu

OPO Porto - KTM Kathmandu Tribhuvan

OPOKTM

Porto

Fri 15/1

10:55-11:20

1 stop18h 40m

Kathmandu Tribhuvan

Wed 3/3

12:45-15:25

1 stop32h 25m

£677

Fastest return journey

PortoKathmandu

OPO Porto - KTM Kathmandu Tribhuvan

OPOKTM

Porto

Wed 18/11

16:25-11:20

1 stop13h 10m

Kathmandu Tribhuvan

Wed 31/12

00:00-19:30

Nonstop0h 00m

£681

PortoKathmandu

OPO Porto - KTM Kathmandu Tribhuvan

OPOKTM

Porto

Tue 17/11

16:10-11:20

1 stop13h 25m

Kathmandu Tribhuvan

Wed 31/12

00:00-19:30

Nonstop0h 00m

£681

Flights are sorted by cheapest return flights first.

Deals found on 21/9

Showing 1-10 of 19 resultsSorted by cheapest first

Best time to book a flight from Porto to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Porto with our price prediction graph.

OPO-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 Porto to Kathmandu

How much does it cost for a return flight from Porto to Kathmandu?

Airfare is below average for this route at the moment.

Porto to Kathmandu flights typically cost between £987 and £1,168 in February.
The cheapest return price found within the last 5 days was £663 on Turkish Airlines (3 Feb–7 Feb).

Related info for your journey

How long is the flight from Porto to Kathmandu?
Turkish Airlines can get you from Porto to Kathmandu in just under 13h 10m. Your travel time can differ by up to . The distance between Porto and Kathmandu is about 5175 mi.
Can I find deals for flights from Porto to Kathmandu that include hotel bookings?
Yes. In addition to deals on Porto to Kathmandu flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Porto to Kathmandu?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto to Kathmandu.
Can I find deals for business class flights from Porto to Kathmandu?
Yes. Cheapflights offers flight deals from Porto 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.

See more FAQs

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How does Cheapflights help users find flights from Porto to Kathmandu?

When you search for this flight from Porto 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 Porto to Kathmandu?

Millions of users choose and trust Cheapflights to book the best flight deals from Porto to Kathmandu for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Porto to Kathmandu, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Porto to Kathmandu flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Porto to Kathmandu from £233

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Porto to Kathmandu

Cheapest flights from Porto to KathmanduExplore the most affordable flight options available from Porto to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 September 2026.

Explore the most affordable flight options available from Porto to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 September 2026.

Best flights from Porto to KathmanduDiscover carefully curated flight deals from Porto to Kathmandu that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 September 2026.

Discover carefully curated flight deals from Porto to Kathmandu that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 September 2026.

Last-minute flights from Porto to KathmanduDiscover last-minute flight deals from Porto to Kathmandu. Data last updated 24 September 2026 and is based on user searches.

Discover last-minute flight deals from Porto to Kathmandu. Data last updated 24 September 2026 and is based on user searches.

One-way flights from Porto to KathmanduSearch for one-way flight options from Porto to Kathmandu. Find affordable one-way fares based on user searches. Data last updated 24 September 2026.

Search for one-way flight options from Porto to Kathmandu. Find affordable one-way fares based on user searches. Data last updated 24 September 2026.

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Use the filters below to find and compare flights from Porto to Kathmandu that are best for you.

Best time to book a flight from Porto to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Porto with our price prediction graph.

Cheapflights Insights

How much does it cost for a return flight from Porto to Kathmandu?

Airfare is below average for this route at the moment.

Porto to Kathmandu flights typically cost between £987 and £1,168 in February.The cheapest return price found within the last 5 days was £663 on Turkish Airlines (3 Feb–7 Feb).

Related info for your journey

How long is the flight from Porto to Kathmandu?

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

How can I find direct flights from Porto to Kathmandu?

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

Travelling to a place near Kathmandu?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

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

Search flights from Porto to Kathmandu by cabin class

Find flights from Porto to Kathmandu, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Kathmandu

Explore flights to Kathmandu departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 24 September 2026.

Porto and Kathmandu flights

Browse other Porto and Kathmandu flight options. Last updated on 24 September 2026.

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How does Cheapflights help users find flights from Porto to Kathmandu?

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

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

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

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Cheapest flights from Porto to Kathmandu
Explore the most affordable flight options available from Porto to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 September 2026.

Best flights from Porto to Kathmandu
Discover carefully curated flight deals from Porto to Kathmandu that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 September 2026.

Last-minute flights from Porto to Kathmandu
Discover last-minute flight deals from Porto to Kathmandu. Data last updated 24 September 2026 and is based on user searches.

One-way flights from Porto to Kathmandu
Search for one-way flight options from Porto to Kathmandu. Find affordable one-way fares based on user searches. Data last updated 24 September 2026.

Porto to Kathmandu flights typically cost between £987 and £1,168 in February.
The cheapest return price found within the last 5 days was £663 on Turkish Airlines (3 Feb–7 Feb).