$565 Cheap Flights from Portland (PDX) to Kathmandu (KTM)

View $565 flight on Tue, Feb 17, 2026Opens in a new window

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

Cheap Flights from Portland to Kathmandu (PDX-KTM)

Prices were available within the past 7 days and start at $565 for one-way flights and $1,087 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Jan 27 - Mon, Feb 9
PDX
Portland
KTM
Kathmandu
$1,087 Roundtrip, found 4 days ago
$1,087
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Jan 27 from Portland to Kathmandu, returning Mon, Feb 9, priced at $1,087 found 4 days ago
Alaska Airlines
Mon, Mar 2 - Mon, Mar 23
PDX
Portland
KTM
Kathmandu
$1,098 Roundtrip, found 2 days ago
$1,098
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Mar 2 from Portland to Kathmandu, returning Mon, Mar 23, priced at $1,098 found 2 days ago
Alaska Airlines
Mon, Mar 2 - Mon, Mar 23
PDX
Portland
KTM
Kathmandu
$1,103 Roundtrip, found 2 days ago
$1,103
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Mar 2 from Portland to Kathmandu, returning Mon, Mar 23, priced at $1,103 found 2 days ago
Alaska Airlines
Tue, Jan 27 - Tue, Feb 3
PDX
Portland
KTM
Kathmandu
$1,106 Roundtrip, found 4 days ago
$1,106
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Jan 27 from Portland to Kathmandu, returning Tue, Feb 3, priced at $1,106 found 4 days ago
Alaska Airlines
Tue, Jan 27 - Wed, Feb 11
PDX
Portland
KTM
Kathmandu
$1,116 Roundtrip, found 4 days ago
$1,116
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Jan 27 from Portland to Kathmandu, returning Wed, Feb 11, priced at $1,116 found 4 days ago
United
Tue, Dec 2 - Wed, Jan 14
PDX
Portland
KTM
Kathmandu
$1,120 Roundtrip, found 6 days ago
$1,120
Roundtrip
found 6 days ago
Select United flight, departing Tue, Dec 2 from Portland to Kathmandu, returning Wed, Jan 14, priced at $1,120 found 6 days ago
Air Canada
Sun, Feb 1 - Mon, Feb 9
PDX
Portland
KTM
Kathmandu
$1,129 Roundtrip, found 3 days ago
$1,129
Roundtrip
found 3 days ago
Select Air Canada flight, departing Sun, Feb 1 from Portland to Kathmandu, returning Mon, Feb 9, priced at $1,129 found 3 days ago
Alaska Airlines
Wed, Jan 28 - Mon, Feb 2
PDX
Portland
KTM
Kathmandu
$1,134 Roundtrip, found 3 days ago
$1,134
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Jan 28 from Portland to Kathmandu, returning Mon, Feb 2, priced at $1,134 found 3 days ago
Cathay Pacific
Thu, Jan 29 - Mon, Feb 2
PDX
Portland
KTM
Kathmandu
$1,153 Roundtrip, found 3 days ago
$1,153
Roundtrip
found 3 days ago
Select Cathay Pacific flight, departing Thu, Jan 29 from Portland to Kathmandu, returning Mon, Feb 2, priced at $1,153 found 3 days ago
Qatar Airways
Mon, Feb 9 - Fri, Feb 27
PDX
Portland
KTM
Kathmandu
$1,320 Roundtrip, found 6 days ago
$1,320
Roundtrip
found 6 days ago
Select Qatar Airways flight, departing Mon, Feb 9 from Portland to Kathmandu, returning Fri, Feb 27, priced at $1,320 found 6 days ago

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

September is typically the cheapest month to fly

From $1,125 - $1,887 per traveler.

Alternative airports near Kathmandu

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Tribhuvan Intl. KTM. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $1,440
KTM
Tribhuvan Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $1,440

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Tribhuvan Intl. Airport (KTM) cost?
Snag a cheap one-way flight from $565 or cheap return flight from $1,087 from Portland Intl. Airport (PDX) to Tribhuvan Intl. Airport (KTM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Tribhuvan Intl. Airport (KTM)?
January is the least expensive month to fly from PDX to KTM. Planning your trip for the off-season is often the key to better flight prices.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Tribhuvan Intl. Airport (KTM)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest PDX to KTM flight.
How many flights per day from Portland Intl. Airport (PDX) to Tribhuvan Intl. Airport (KTM)?
There are no daily direct flights departing from Portland Intl. Airport (PDX) to Tribhuvan Intl. Airport (KTM). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from PDX 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 peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Tribhuvan Intl. Airport (KTM)?
To touch down at Tribhuvan Intl. Airport (KTM) on schedule, pick a flight that takes off from Portland Intl. Airport (PDX) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Portland Intl. Airport (PDX) to Tribhuvan Intl. Airport (KTM) last-minute?
Waiting until just before your trip to book your flight from PDX to KTM generally means paying more. While you might find some last-minute discounts, they aren't always guaranteed. Keep your travel plans flexible for a better chance of snagging a bargain.
Is it cheaper to book a PDX to KTM flight and hotel package?
Compared with arranging flights and hotels separately, booking a PDX to KTM flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place takes the hassle out of travel planning. Just pick your flights and select from our extensive range of hotels, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Tribhuvan Intl. Airport (KTM)?
It's usually possible to reschedule or cancel your PDX to KTM flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Portland Intl.
Destination airport
Tribhuvan Intl.
Airlines serving
Cathay Pacific, Emirates, KLM, Korean Air, Malaysia Airlines, Qatar Airways
Roundtrip price
$1,086
Distance
7077 mi

Book with confidence

Portland to Kathmandu Flights

The cheapest times to fly from Portland 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 Portland to Kathmandu are during the month of January. You can find some of the cheapest flights from Portland to Kathmandu with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Kathmandu

Sunday is one of the best days to book for cheap flights from Portland 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 Portland 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 Portland to Kathmandu in 2025. You can also book with separate airlines for your outbound and return journeys, from $565 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 Portland 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 Portland 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.

 

Portland to Kathmandu Flights

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*Available to One Key members.