$719 Cheap Flights from Porto (OPO) to Kathmandu (KTM)

View $719 flight on Tue, Nov 4, 2025Opens in a new window

Popular airlines from Porto Airport (OPO) to Tribhuvan Intl. Airport (KTM)

Cheap Flights from Porto to Kathmandu (OPO-KTM)

Prices were available within the past 7 days and start at $719 for one-way flights and $1,230 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Fri, Nov 14 - Wed, Nov 26
OPO
Porto
KTM
Kathmandu
$1,230 Roundtrip, found 3 days ago
$1,230
Roundtrip
found 3 days ago
Select Turkish Airlines flight, departing Fri, Nov 14 from Porto to Kathmandu, returning Wed, Nov 26, priced at $1,230 found 3 days ago
Turkish Airlines
Fri, Nov 14 - Thu, Nov 27
OPO
Porto
KTM
Kathmandu
$1,285 Roundtrip, found 3 days ago
$1,285
Roundtrip
found 3 days ago
Select Turkish Airlines flight, departing Fri, Nov 14 from Porto to Kathmandu, returning Thu, Nov 27, priced at $1,285 found 3 days ago
Qatar Airways
Tue, Nov 18 - Tue, Nov 25
OPO
Porto
KTM
Kathmandu
$1,329 Roundtrip, found 3 days ago
$1,329
Roundtrip
found 3 days ago
Select Qatar Airways flight, departing Tue, Nov 18 from Porto to Kathmandu, returning Tue, Nov 25, priced at $1,329 found 3 days ago
Qatar Airways
Mon, Nov 17 - Wed, Nov 26
OPO
Porto
KTM
Kathmandu
$1,337 Roundtrip, found 3 days ago
$1,337
Roundtrip
found 3 days ago
Select Qatar Airways flight, departing Mon, Nov 17 from Porto to Kathmandu, returning Wed, Nov 26, priced at $1,337 found 3 days ago
Qatar Airways
Mon, Nov 17 - Wed, Nov 26
OPO
Porto
KTM
Kathmandu
$1,340 Roundtrip, found 3 days ago
$1,340
Roundtrip
found 3 days ago
Select Qatar Airways flight, departing Mon, Nov 17 from Porto to Kathmandu, returning Wed, Nov 26, priced at $1,340 found 3 days ago
Qatar Airways
Mon, Nov 17 - Wed, Nov 26
OPO
Porto
KTM
Kathmandu
$1,345 Roundtrip, found 3 days ago
$1,345
Roundtrip
found 3 days ago
Select Qatar Airways flight, departing Mon, Nov 17 from Porto to Kathmandu, returning Wed, Nov 26, priced at $1,345 found 3 days ago
Turkish Airlines
Fri, Nov 14 - Mon, Nov 24
OPO
Porto
KTM
Kathmandu
$1,350 Roundtrip, found 3 days ago
$1,350
Roundtrip
found 3 days ago
Select Turkish Airlines flight, departing Fri, Nov 14 from Porto to Kathmandu, returning Mon, Nov 24, priced at $1,350 found 3 days ago
Emirates
Mon, Nov 17 - Wed, Nov 26
OPO
Porto
KTM
Kathmandu
$1,780 Roundtrip, found 3 days ago
$1,780
Roundtrip
found 3 days ago
Select Emirates flight, departing Mon, Nov 17 from Porto to Kathmandu, returning Wed, Nov 26, priced at $1,780 found 3 days ago
KLM
Mon, Nov 17 - Wed, Nov 26
OPO
Porto
KTM
Kathmandu
$2,050 Roundtrip, found 3 days ago
$2,050
Roundtrip
found 3 days ago
Select KLM flight, departing Mon, Nov 17 from Porto to Kathmandu, returning Wed, Nov 26, priced at $2,050 found 3 days ago
Swiss International Air Lines
Sun, Nov 2 - Sun, Dec 28
OPO
Porto
KTM
Kathmandu
$2,642 Roundtrip, found 3 days ago
$2,642
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Sun, Nov 2 from Porto to Kathmandu, returning Sun, Dec 28, priced at $2,642 found 3 days ago

Frequently asked questions

How much does a flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Tribhuvan Intl. Airport (KTM) cost?
Snag a cheap one-way flight from $719 or cheap return flight from $1,230 from Dr. Francisco de Sa Carneiro Airport (OPO) to Tribhuvan Intl. Airport (KTM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Dr. Francisco de Sa Carneiro Airport (OPO) to Tribhuvan Intl. Airport (KTM)?
November is the cheapest month to fly from OPO to KTM. Avoiding peak travel times is often the key to scoring lower fares.
What is the cheapest airline that flies from Dr. Francisco de Sa Carneiro Airport (OPO) to Tribhuvan Intl. Airport (KTM)?
To find the cheapest airline flying from OPO to KTM, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Dr. Francisco de Sa Carneiro Airport (OPO) to Tribhuvan Intl. Airport (KTM)?
There are no daily direct flights available from Dr. Francisco de Sa Carneiro Airport (OPO) to Tribhuvan Intl. Airport (KTM). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from OPO to KTM?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Dr. Francisco de Sa Carneiro Airport (OPO) to Tribhuvan Intl. Airport (KTM)?
Opt for a flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Tribhuvan Intl. Airport (KTM) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Dr. Francisco de Sa Carneiro Airport (OPO) to Tribhuvan Intl. Airport (KTM) last-minute?
Last-minute bookings from OPO to KTM are generally more expensive. To lock in the lowest prices, start searching for flights as early as possible. That said, if your travel plans are flexible, it's possible to find a cheap fare right before your trip.
Is it cheaper to book an OPO to KTM flight and hotel package?
You can save money by securing an OPO to KTM flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After choosing your ideal flights and accommodations, consider other add-ons like activities, car rentals and tours.
Can I cancel or change the date of my flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Tribhuvan Intl. Airport (KTM)?
In most instances, you're able to reschedule or cancel your OPO to KTM flight. However, additional charges may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you want more details, visit our Customer Service portal.

Travel information

Origin airport
Dr. Francisco de Sa Carneiro
Destination airport
Tribhuvan Intl.
Roundtrip price
$1,230
Distance
5178 mi

Book with confidence

Porto to Kathmandu Flights

The cheapest times to fly from Porto to Kathmandu

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Porto to Kathmandu are during the month of November. You can find some of the cheapest flights from Porto to Kathmandu with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Porto to Kathmandu

Sunday is one of the best days to book for cheap flights from Porto to Kathmandu: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Porto to Kathmandu

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Porto to Kathmandu in 2025. You can also book with separate airlines for your outbound and return journeys, from $719 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Porto to Kathmandu flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Porto to Kathmandu airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Porto to Kathmandu Flights
*Available to One Key members.