Cheap Flights from Portland (PDX) to Kathmandu (KTM)

View AU$1,889 flight on Sun, 31 May 2026Opens in a new window

Popular airlines from Portland International Airport (PDX) to Tribhuvan Intl. Airport (KTM)

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Cheap Flights from Portland (PDX) to Kathmandu (KTM)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Portland (PDX) to Kathmandu (KTM)

September is typically the cheapest month to fly

From AU$1,732 - AU$2,514 per traveller.

Graph displaying average flight prices per month

Flight from Portland to Kathmandu route information
Origin airport
Portland Intl.
Destination airport
Tribhuvan Intl.
Distance
11323 km

Your quick guide to flights from Portland to Kathmandu

Pick up great flights from Portland to Kathmandu

With Expedia, you have your pick of flights a day with 4 airlines covering flights from Portland to Kathmandu. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Portland to Kathmandu that take around hours.

Find cheap flights from Portland to Kathmandu

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Portland to Kathmandu around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Kathmandu is normally in .

Reasons to book your flight from Portland to Kathmandu with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Portland to Kathmandu across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Kathmandu right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from Portland Intl. Airport (PDX) to KTM?
Round-trip tickets between PDX Airport and Tribhuvan Intl. Airport (KTM) start from . This price is based on fares offered within the last 7 days on Expedia for flights departing within the next year — book ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Portland Airport to Tribhuvan Intl. Airport?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from PDX to Tribhuvan Intl. Airport (KTM) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for PDX Airport to KTM flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Portland Intl. Airport (PDX) to Tribhuvan Intl. Airport?
With a flight distance of 11 400 kilometres from PDX Airport to Tribhuvan Intl. Airport, this is a long-haul flight. Be sure to drink plenty of water and take a short walk down the aisle every now and then.
Which airlines fly direct from PDX Airport to KTM?
Unfortunately, there aren't any airlines that fly direct between PDX and KTM. You'll have to book a flight with at least one stop.
Are PDX Airport to Tribhuvan Intl. Airport (KTM) flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally pick up a bargain, with some super cheap airfares from PDX to KTM emerging a few weeks before the departure date. If you'd rather plan ahead of time, Expedia compares and updates the best flight deals continuously — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines release prices that far in advance.

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