How long is the flight from Portland, Maine to Kathmandu?

There are many flights that can get you from Portland, Maine to Kathmandu in 41h 07m. Fly via Qatar Airways to get the fastest option. There are 7267 mi between Portland, Maine and Kathmandu.

In terms of precipitation, rainfall in Kathmandu ranges from 0.0 - 14.6 inches per month. July is typically the wettest month, when rainfall can reach 14.6 in. November is typically the driest time to visit Kathmandu when rainfall is around 0.0 in.

If weather is an important factor for your trip to Kathmandu, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

What is the cheapest time of day to fly from PWM to KTM?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland, Maine to Kathmandu as you normally would.

Most accurate provider : When it comes to deals on Portland, Maine-Kathmandu flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Portland, Maine-Kathmandu flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Portland, Maine-Kathmandu flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Portland, Maine-Kathmandu flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Kathmandu flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Portland to Kathmandu that include hotel bookings?

Yes. In addition to deals on Portland to Kathmandu flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Portland to Kathmandu?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Kathmandu.

Can I find deals for business class flights from Portland to Kathmandu?

Yes. Cheapflights offers flight deals from Portland to Kathmandu by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,596+ Cheap Flights from Portland, ME to Kathmandu

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Cheap flight deals from Portland to Kathmandu

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Cheapest flights from Portland to Kathmandu
Explore the most affordable flight options available from Portland to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.

Thu 9/172:03 pm

PWM

KTM

2 stops38h 27m

Qatar Airways

Sun 9/206:45 pm

KTM

PWM

2 stops38h 47m

Qatar Airways

Deal found 7/21

$1,596

Find flight deals from Portland to Kathmandu

Most accurate provider	Ovago 3 stars
Most trusted provider	Ovago 3 stars
Round-trip from	$1,596 (Qatar Airways)

Provider with most accurate pricing for Portland-Kathmandu Tribhuvan flight deals.

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Provider most trusted by Cheapflights users for Portland-Kathmandu Tribhuvan flights.

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From Portland to Kathmandu Tribhuvan

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Quickest round-trip

PortlandKathmandu

PWM - KTM

PWMKTM

Portland

Thu 9/17

1:53 pm-4:45 pm

2 stops41h 07m

Kathmandu Tribhuvan

Sun 9/20

6:00 pm-9:55 pm

2 stops37h 40m

$1,596

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/18

Sorted by cheapest first

Compare providers for flights from Portland to Kathmandu

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Kathmandu in July.

Provider	Price Accuracy	Trust Score*
Ovago	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Portland, Maine-Kathmandu flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Portland, Maine-Kathmandu flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Portland, Maine-Kathmandu flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Portland, Maine-Kathmandu flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Kathmandu flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Portland with our price prediction graph.

PWM-KTM

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

How long is the flight from Portland, Maine to Kathmandu?
There are many flights that can get you from Portland, Maine to Kathmandu in 41h 07m. Fly via Qatar Airways to get the fastest option. There are 7267 mi between Portland, Maine and Kathmandu.
Can I find deals for flights from Portland to Kathmandu that include hotel bookings?
Yes. In addition to deals on Portland to Kathmandu flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portland to Kathmandu?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Kathmandu.
Can I find deals for business class flights from Portland to Kathmandu?
Yes. Cheapflights offers flight deals from Portland to Kathmandu by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$1,596+ Cheap flights from Portland, ME (PWM) to Kathmandu (KTM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Kathmandu with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Portland to Kathmandu

Cheapest flights from Portland to KathmanduExplore the most affordable flight options available from Portland to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.

Explore the most affordable flight options available from Portland to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.

Best flights from Portland to KathmanduDiscover carefully curated flight deals from Portland to Kathmandu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.

Discover carefully curated flight deals from Portland to Kathmandu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.

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Compare providers for flights from Portland to Kathmandu

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Kathmandu in July.

Best time to book a flight from Portland to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Portland with our price prediction graph.

Related info for your journey

How long is the flight from Portland, Maine to Kathmandu?

Can I find deals for flights from Portland to Kathmandu that include hotel bookings?

How can I find direct flights from Portland to Kathmandu?

Can I find deals for business class flights from Portland to Kathmandu?

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Other flights to Kathmandu

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Cheapest flights from Portland to Kathmandu
Explore the most affordable flight options available from Portland to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.

Best flights from Portland to Kathmandu
Discover carefully curated flight deals from Portland to Kathmandu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.