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1.146 € Cheap Flights from Portland to Kathmandu

Compare Portland to Kathmandu flight deals

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

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Flight deals from Portland to Kathmandu

Looking for a cheap last-minute deal or the best return flight from Portland Airport to Kathmandu Airport? If you want to travel next month, return fares start from 1.368 €. Find the lowest prices on one-way and return tickets right here.
Kathmandu.1.146 € per passenger.Departing Thu, 1 Oct, returning Thu, 22 Oct.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Portland on Thu, 1 Oct, arriving in Kathmandu.Inbound indirect flight with Qatar Airways, departs from Kathmandu on Thu, 22 Oct, arriving in Portland.Price includes taxes and charges.From 1.146 €, select.
Kathmandu.1.292 € per passenger.Departing Sun, 1 Nov, returning Wed, 18 Nov.Return flight with Alaska Airlines and Air India.Outbound indirect flight with Alaska Airlines, departs from Portland on Sun, 1 Nov, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Wed, 18 Nov, arriving in Portland.Price includes taxes and charges.From 1.292 €, select.
Kathmandu.1.311 € per passenger.Departing Tue, 13 Oct, returning Mon, 30 Nov.Return flight with Alaska Airlines and Sichuan Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Tue, 13 Oct, arriving in Kathmandu.Inbound indirect flight with Sichuan Airlines, departs from Kathmandu on Mon, 30 Nov, arriving in Portland.Price includes taxes and charges.From 1.311 €, select.
Kathmandu.1.313 € per passenger.Departing Fri, 10 Jul, returning Wed, 15 Jul.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Portland on Fri, 10 Jul, arriving in Kathmandu.Inbound indirect flight with Qatar Airways, departs from Kathmandu on Wed, 15 Jul, arriving in Portland.Price includes taxes and charges.From 1.313 €, select.
Kathmandu.1.358 € per passenger.Departing Thu, 23 Apr, returning Thu, 21 May.Return flight with Frontier Airlines and Thai Airways.Outbound indirect flight with Frontier Airlines, departs from Portland on Thu, 23 Apr, arriving in Kathmandu.Inbound indirect flight with Thai Airways, departs from Kathmandu on Thu, 21 May, arriving in Portland.Price includes taxes and charges.From 1.358 €, select.
Kathmandu.1.368 € per passenger.Departing Wed, 20 May, returning Wed, 27 May.Return flight with Alaska Airlines and Thai AirAsia.Outbound indirect flight with Alaska Airlines, departs from Portland on Wed, 20 May, arriving in Kathmandu.Inbound indirect flight with Thai AirAsia, departs from Kathmandu on Wed, 27 May, arriving in Portland.Price includes taxes and charges.From 1.368 €, select.
Kathmandu.1.386 € per passenger.Departing Thu, 9 Apr, returning Thu, 16 Apr.Return flight with Alaska Airlines and Qatar Airways.Outbound indirect flight with Alaska Airlines, departs from Portland on Thu, 9 Apr, arriving in Kathmandu.Inbound indirect flight with Qatar Airways, departs from Kathmandu on Thu, 16 Apr, arriving in Portland.Price includes taxes and charges.From 1.386 €, select.
Kathmandu.1.441 € per passenger.Departing Sat, 27 Jun, returning Sun, 5 Jul.Return flight with Alaska Airlines and Air India.Outbound indirect flight with Alaska Airlines, departs from Portland on Sat, 27 Jun, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Sun, 5 Jul, arriving in Portland.Price includes taxes and charges.From 1.441 €, select.
Kathmandu.1.446 € per passenger.Departing Sun, 7 Jun, returning Wed, 24 Jun.Return flight with Alaska Airlines and Nepal Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Sun, 7 Jun, arriving in Kathmandu.Inbound indirect flight with Nepal Airlines, departs from Kathmandu on Wed, 24 Jun, arriving in Portland.Price includes taxes and charges.From 1.446 €, select.
Kathmandu.1.462 € per passenger.Departing Sun, 28 Jun, returning Thu, 20 Aug.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Portland on Sun, 28 Jun, arriving in Kathmandu.Inbound indirect flight with Qatar Airways, departs from Kathmandu on Thu, 20 Aug, arriving in Portland.Price includes taxes and charges.From 1.462 €, select.
Kathmandu.2.269 € per passenger.Departing Fri, 22 May, returning Fri, 19 Jun.Return flight with Alaska Airlines and Emirates.Outbound indirect flight with Alaska Airlines, departs from Portland on Fri, 22 May, arriving in Kathmandu.Inbound indirect flight with Emirates, departs from Kathmandu on Fri, 19 Jun, arriving in Portland.Price includes taxes and charges.From 2.269 €, select.

Find the cheapest month to fly from Portland to Kathmandu

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Kathmandu flights are currently cheapest in October.
Apr
from 1.386 €
May
from 1.368 €
Jun
from 1.446 €
Jul
from 1.313 €
Aug
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Sep
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Oct
from 1.146 €
Nov
from 1.292 €
Dec
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Jan
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Feb
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Mar
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Portland to Kathmandu: Alternative routes

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

Kathmandu

5km from central Kathmandu
ClosestCheapest
from 1.146 €
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Portland to Kathmandu: Flight information

The things to know before you go.
Cheapest flight found586 €
Cheapest month to flyMay

Finding cheap flights from Portland to Kathmandu: Frequently asked questions

The best price we found for a return flight from Portland to Kathmandu is 1.146 €. 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 Portland to Kathmandu. But we found flights with one or more stops from 1.146 €.
As of April 2026, there are no flights flying from Portland to Kathmandu.
The cheapest month to fly from Portland to Kathmandu is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Kathmandu Airport on Thursday, 1 October 2026.
No airlines currently offer direct flights between Portland 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, Qatar Airways offers the cheapest flight tickets to Kathmandu.

Travelling from Portland International Airport (PDX) to Tribhuvan International Airport (KTM): what you need to know

  • Kathmandu is 12 hours 48 minutes ahead of Portland and is in the UTC+5:47 timezone.

  • Your PDX to KTM flight won't wait if you're running late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • You'll likely experience longer lines during popular months like July. Arriving up to four hours ahead of international flights and two hours for domestic departures will give you ample time for security and boarding.

How to find the cheapest flights from Portland International Airport (PDX) to Tribhuvan International Airport (KTM)

  • The lowest price we've seen for a one-way Portland International Airport to Tribhuvan International Airport flight is 586 €. A return ticket is currently 1.146 €. Depending on the availability when you book, these fares may change.

  • It's a good idea to book as early as possible if you want to get cheap tickets from PDX to KTM. That's because airlines adjust prices based on demand, which tends to increase closer to departure.

  • If you can be flexible with your trip dates, try using the 'Whole month' tool. It'll show you the lowest price across every month when looking for your flight from Portland International Airport to Tribhuvan International Airport.

  • There's no need to check back in every day to see if fares have dropped when you set up a Price Alert. We'll let you know the moment a special offer becomes available on cheap flights from PDX to KTM.

  • Select your preferred arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Portland International Airport to Tribhuvan International Airport.

Handy information about Portland International Airport (PDX)

  • PDX's address is 7000 NE Airport Way.

  • Portland International Airport has a strong on-time record, so you're unlikely to face delays. Departures from PDX land on schedule 83.65% of the time.

  • To reach Portland International Airport from central Portland, it takes around 20 minutes if you're planning to drive. Of course, this depends on traffic. It's approximately 19 kilometres from the airport to the city centre.

  • Planning to take public transport? Expect a journey time of around 45 minutes.

  • Searching for a handy hotel close to PDX? If you've booked an early flight from Portland International Airport to Tribhuvan International Airport, these stays will put you moments from your departure lounge:

Arriving at Tribhuvan International Airport (KTM)

  • The last thing you need is a lengthy journey to your hotel if you're landing late on a Portland International Airport to Tribhuvan International Airport flight. Book one of these accommodation options near KTM instead:

  • Enjoy the freedom to roam with a Tribhuvan International Airport rental car. Pick up a set of wheels from Spark Car to explore beyond Kathmandu's usual tourist stops.

  • To secure the lowest price, book your vehicle from Tribhuvan International Airport around one week before your trip.

Getting from Tribhuvan International Airport (KTM) to central Kathmandu

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

When to fly to Tribhuvan International Airport (KTM)

  • The quietest month for a flight from Portland International Airport to Tribhuvan International Airport is February, while September is the most popular. Pick the best time to visit Kathmandu based on whether you prefer a bustling atmosphere or a more laid-back vibe.

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

  • If you like travelling in cooler conditions, look for a cheap ticket from PDX to KTM in January. Average temperatures are between 3ºC (37ºF) and 18ºC (64ºF) then.

Explore more of Nepal

  • Kathmandu has plenty to offer, but there are so many other parts of Nepal waiting to be explored. About 145 kilometres north-west of Kathmandu, a trip to Pokhara will keep your itinerary packed. Don't miss top attractions like Phewa Lake, Sarangkot and Gupteshwor Mahadev Cave.

  • If you're eager to discover another major destination in Nepal, consider Patan, roughly 6 kilometres south of Kathmandu. Aspur Agro Farm, Pimbahaa Pukhoo and Rajib Handicraft are among the biggest draws.

Plan the rest of your trip from Portland to Kathmandu

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