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Kathmandu

$1,459+ 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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — KTM
Mar 25 — Apr 11
Wed 3/25
Wed 4/1
1 adult, Economy
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Cheap flight deals from Portland to Kathmandu

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 February 23, 2026.

This Qatar Airways deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2312:44 pm
PWM
-
KTM
2 stops43h 21m
Qatar Airways
Mon 3/3010:05 am
KTM
-
PWM
2 stops47h 36m
Qatar Airways
Deal found 2/22$1,459
This Qatar Airways deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/36:17 am
PWM
-
KTM
2 stops48h 43m
Qatar Airways
Tue 4/710:05 am
KTM
-
PWM
2 stops47h 27m
Qatar Airways
Deal found 2/21$1,667
This oojo deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/412:29 pm
PWM
-
KTM
2 stops41h 11m
Qatar Airways
Mon 3/235:40 pm
KTM
-
PWM
2 stops28h 19m
Qatar Airways
Deal found 2/19$2,014
This Qatar Airways deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:29 pm
PWM
-
KTM
2 stops32h 41m
Qatar Airways
Mon 3/95:40 pm
KTM
-
PWM
2 stops39h 42m
Qatar Airways
Deal found 2/22$2,684
This American Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/45:40 pm
PWM
-
KTM
3 stops27h 30m
Multiple Airlines
Mon 3/2310:55 pm
KTM
-
PWM
2 stops34h 27m
Multiple Airlines
Deal found 2/19$8,999

Find flight deals from Portland to Kathmandu

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Kathmandu (KTM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,667
(Qatar Airways)

Popular in

June

Cheapest in

November

Average price

$1,377
Provider with most accurate pricing for Portland-Kathmandu Tribhuvan flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Kathmandu Tribhuvan flights.
Search Deals
From Portland to Kathmandu Tribhuvan
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($154 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Kathmandu that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 23, 2026.
Use the filters below to find and compare flights from Portland to Kathmandu that are best for you.

Fly from

Portland

Fly to

Kathmandu

Route

Depart

Return

Price

PortlandKathmandu

PWM - KTM

PWMKTM

Portland

Mon 3/23

12:44 pm-5:50 pm

2 stops43h 21m

Kathmandu Tribhuvan

Mon 3/30

10:05 am-11:56 pm

2 stops47h 36m

$1,459

PortlandKathmandu

PWM - KTM

PWMKTM

Portland

Fri 4/3

6:17 am-4:45 pm

2 stops48h 43m

Kathmandu Tribhuvan

Tue 4/7

10:05 am-11:47 pm

2 stops47h 27m

$1,667

PortlandKathmandu

PWM - KTM

PWMKTM

Portland

Thu 3/5

12:29 pm-7:55 am

2 stops32h 41m

Kathmandu Tribhuvan

Mon 3/9

5:40 pm-11:37 pm

2 stops39h 42m

$2,684

PortlandKathmandu

PWM - KTM

PWMKTM

Portland

Mon 3/23

6:00 pm-7:55 am

3 stops28h 10m

Kathmandu Tribhuvan

Mon 3/30

11:00 pm-11:37 pm

2 stops34h 22m

$8,999

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

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 February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Kathmandu flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
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.

Cheapflights Insights

Everything you need to know about your flight from Portland to Kathmandu

What is the cheapest month to book a flight from Portland, Maine to Kathmandu?

Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Kathmandu (average of $811). Flying from Portland, Maine to Kathmandu in June is currently the most expensive (average of $1,261). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Portland to Kathmandu. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    There are many flights that can get you from Portland, Maine to Kathmandu in 48h 43m. 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.

  • What is the cheapest month to book a flight from Portland, Maine to Kathmandu?

    Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Kathmandu (average of $811). Flying from Portland, Maine to Kathmandu in June is currently the most expensive (average of $1,261). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Kathmandu?

Book flights to Kathmandu if you plan to visit one of these locations
Nagarkot

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