$635 Cheap Flights from Portland (PWM) to Kathmandu (KTM)

View $635 flight on Sat, Jan 24, 2026Opens in a new window

Popular airlines from Portland Intl. Jetport Airport (PWM) to Tribhuvan Intl. Airport (KTM)

Cheap Flights from Portland to Kathmandu (PWM-KTM)

Prices were available within the past 7 days and start at $635 for one-way flights and $1,279 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Jan 24 - Wed, Feb 4
PWM
Portland
KTM
Kathmandu
$1,279 Roundtrip, just found
$1,279
Roundtrip
just found
Select American Airlines flight, departing Sat, Jan 24 from Portland to Kathmandu, returning Wed, Feb 4, priced at $1,279 just found
American Airlines
Sat, Jan 24 - Thu, Feb 5
PWM
Portland
KTM
Kathmandu
$1,285 Roundtrip, just found
$1,285
Roundtrip
just found
Select American Airlines flight, departing Sat, Jan 24 from Portland to Kathmandu, returning Thu, Feb 5, priced at $1,285 just found
Qatar Airways
Sat, Jan 24 - Wed, Feb 4
PWM
Portland
KTM
Kathmandu
$1,491 Roundtrip, just found
$1,491
Roundtrip
just found
Select Qatar Airways flight, departing Sat, Jan 24 from Portland to Kathmandu, returning Wed, Feb 4, priced at $1,491 just found
Qatar Airways
Sat, Jan 24 - Wed, Feb 4
PWM
Portland
KTM
Kathmandu
$1,494 Roundtrip, just found
$1,494
Roundtrip
just found
Select Qatar Airways flight, departing Sat, Jan 24 from Portland to Kathmandu, returning Wed, Feb 4, priced at $1,494 just found
United
Sat, Jan 24 - Wed, Feb 4
PWM
Portland
KTM
Kathmandu
$1,619 Roundtrip, just found
$1,619
Roundtrip
just found
Select United flight, departing Sat, Jan 24 from Portland to Kathmandu, returning Wed, Feb 4, priced at $1,619 just found
United
Sat, Jan 24 - Wed, Feb 4
PWM
Portland
KTM
Kathmandu
$1,626 Roundtrip, just found
$1,626
Roundtrip
just found
Select United flight, departing Sat, Jan 24 from Portland to Kathmandu, returning Wed, Feb 4, priced at $1,626 just found
American Airlines
Sat, Jan 24 - Thu, Feb 5
PWM
Portland
KTM
Kathmandu
$1,666 Roundtrip, just found
$1,666
Roundtrip
just found
Select American Airlines flight, departing Sat, Jan 24 from Portland to Kathmandu, returning Thu, Feb 5, priced at $1,666 just found
American Airlines
Sat, Jan 24 - Wed, Feb 4
PWM
Portland
KTM
Kathmandu
$1,886 Roundtrip, just found
$1,886
Roundtrip
just found
Select American Airlines flight, departing Sat, Jan 24 from Portland to Kathmandu, returning Wed, Feb 4, priced at $1,886 just found
Delta
Sat, Jan 24 - Wed, Feb 4
PWM
Portland
KTM
Kathmandu
$2,132 Roundtrip, just found
$2,132
Roundtrip
just found
Select Delta flight, departing Sat, Jan 24 from Portland to Kathmandu, returning Wed, Feb 4, priced at $2,132 just found
Turkish Airlines
Sat, Oct 10 - Sat, Oct 24
PWM
Portland
KTM
Kathmandu
$2,142 Roundtrip, found 23 hours ago
$2,142
Roundtrip
found 23 hours ago
Select Turkish Airlines flight, departing Sat, Oct 10 from Portland to Kathmandu, returning Sat, Oct 24, priced at $2,142 found 23 hours ago
Flights from Portland (PWM) to Kathmandu (KTM)
Origin airport
Portland Intl. Jetport
Destination airport
Tribhuvan Intl.
Airlines serving
Korean Air, Qatar Airways
Roundtrip price
$1,278
Distance
7271 mi

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 2026. You can also book with separate airlines for your outbound and return journeys, from $635 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.

 

Frequently asked questions

How much does a flight from Portland Intl. Jetport Airport (PWM) to Tribhuvan Intl. Airport (KTM) cost?
Lock in a cheap one-way flight from $635 or cheap return flight from $1,279 from Portland Intl. Jetport Airport (PWM) to Tribhuvan Intl. Airport (KTM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Jetport Airport (PWM) to Tribhuvan Intl. Airport (KTM)?
January is the least expensive month to fly from PWM to KTM. Planning your trip for the off-season is often the key to finding better fares.
What is the cheapest airline that flies from Portland Intl. Jetport Airport (PWM) to Tribhuvan Intl. Airport (KTM)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from PWM to KTM. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Portland Intl. Jetport Airport (PWM) to Tribhuvan Intl. Airport (KTM)?
You'll need to catch a flight with a layover if you're traveling from Portland Intl. Jetport Airport (PWM) to Tribhuvan Intl. Airport (KTM). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from PWM to KTM?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on various factors, including the airline and season.*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. Jetport Airport (PWM) to Tribhuvan Intl. Airport (KTM)?
Book a flight from Portland Intl. Jetport Airport (PWM) to Tribhuvan Intl. Airport (KTM) that takes off before 3 PM to reduce the likelihood of delays. Departures after this time are on average 22% more likely to be canceled.**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. Jetport Airport (PWM) to Tribhuvan Intl. Airport (KTM) last-minute?
Holding off until just before your trip to book a ticket from PWM to KTM generally means paying more. While you may come across some last-minute discounts, there's no guarantee. Be flexible with your travel plans for the best chance of getting a bargain.
Is it cheaper to book a PWM to KTM flight and hotel package?
Booking a PWM to KTM flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our impressive range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland Intl. Jetport Airport (PWM) to Tribhuvan Intl. Airport (KTM)?
In most cases, you can cancel or reschedule your PWM to KTM flight. However, there may be additional charges, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need further details, visit our Customer Service portal.

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*Available to One Key members.