$726 Cheap Flights from Porto (OPO) to Kathmandu (KTM)

View $726 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 $726 for one-way flights and $1,537 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Thu, Oct 9 - Thu, Oct 16
OPO
Porto
KTM
Kathmandu
$1,537 Roundtrip, found 5 days ago
$1,537
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Thu, Oct 9 from Porto to Kathmandu, returning Thu, Oct 16, priced at $1,537 found 5 days ago
Qatar Airways
Thu, Oct 9 - Thu, Oct 16
OPO
Porto
KTM
Kathmandu
$1,539 Roundtrip, found 5 days ago
$1,539
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Thu, Oct 9 from Porto to Kathmandu, returning Thu, Oct 16, priced at $1,539 found 5 days ago
Air Europa
Thu, Oct 9 - Thu, Oct 16
OPO
Porto
KTM
Kathmandu
$1,565 Roundtrip, found 5 days ago
$1,565
Roundtrip
found 5 days ago
Select Air Europa flight, departing Thu, Oct 9 from Porto to Kathmandu, returning Thu, Oct 16, priced at $1,565 found 5 days ago
Air Europa
Thu, Oct 9 - Thu, Oct 16
OPO
Porto
KTM
Kathmandu
$1,573 Roundtrip, found 5 days ago
$1,573
Roundtrip
found 5 days ago
Select Air Europa flight, departing Thu, Oct 9 from Porto to Kathmandu, returning Thu, Oct 16, priced at $1,573 found 5 days ago
Qatar Airways
Thu, Oct 9 - Thu, Oct 16
OPO
Porto
KTM
Kathmandu
$1,577 Roundtrip, found 5 days ago
$1,577
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Thu, Oct 9 from Porto to Kathmandu, returning Thu, Oct 16, priced at $1,577 found 5 days ago
Qatar Airways
Thu, Oct 9 - Thu, Oct 16
OPO
Porto
KTM
Kathmandu
$1,585 Roundtrip, found 5 days ago
$1,585
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Thu, Oct 9 from Porto to Kathmandu, returning Thu, Oct 16, priced at $1,585 found 5 days ago
Qatar Airways
Thu, Oct 9 - Thu, Oct 16
OPO
Porto
KTM
Kathmandu
$1,588 Roundtrip, found 5 days ago
$1,588
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Thu, Oct 9 from Porto to Kathmandu, returning Thu, Oct 16, priced at $1,588 found 5 days ago
British Airways
Thu, Oct 9 - Thu, Oct 16
OPO
Porto
KTM
Kathmandu
$1,699 Roundtrip, found 5 days ago
$1,699
Roundtrip
found 5 days ago
Select British Airways flight, departing Thu, Oct 9 from Porto to Kathmandu, returning Thu, Oct 16, priced at $1,699 found 5 days ago
Turkish Airlines
Thu, Oct 9 - Thu, Oct 16
OPO
Porto
KTM
Kathmandu
$1,699 Roundtrip, found 5 days ago
$1,699
Roundtrip
found 5 days ago
Select Turkish Airlines flight, departing Thu, Oct 9 from Porto to Kathmandu, returning Thu, Oct 16, priced at $1,699 found 5 days ago
Emirates
Thu, Oct 9 - Thu, Oct 16
OPO
Porto
KTM
Kathmandu
$1,715 Roundtrip, found 5 days ago
$1,715
Roundtrip
found 5 days ago
Select Emirates flight, departing Thu, Oct 9 from Porto to Kathmandu, returning Thu, Oct 16, priced at $1,715 found 5 days ago
Flights from Porto (OPO) to Kathmandu (KTM)
Origin airport
Dr. Francisco de Sa Carneiro
Destination airport
Tribhuvan Intl.
Roundtrip price
$1,536
Distance
5178 mi

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 October. 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 $726 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.

 

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 $726 or cheap return flight from $1,537 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)?
October 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.

Explore a world of travel with Expedia

*Available to One Key members.