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Kathmandu

$506+ Cheap flights from Portland (PDX) to Kathmandu (KTM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — KTM
Apr 14 — Apr 211
Mon 4/14
Mon 4/21
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Portland to Kathmandu Tribhuvan are usually found in January or September, booked 26 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Portland to Kathmandu

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) 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 April 9, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,227
(oojo)

One-way from

$763
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,320
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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One-way flight from Portland to Kathmandu Tribhuvan
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Highest demand for flights based on searches. 19% potential increase in price ($334 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($76 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 April 9, 2025.

This Justfly.com deal was found by Cheapflights users on 4/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:05 amPDX - KTM
2 stops26h 55mSingapore Airlines
Tue 9/3011:00 pmKTM - PDX
2 stops27h 35mSingapore Airlines
Deal found 4/8$1,076
This Travelocity deal was found by Cheapflights users on 4/8. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:55 pmPDX - KTM
2 stops38h 05mMultiple Airlines
Thu 5/1511:00 pmKTM - PDX
2 stops30h 09mMultiple Airlines
Deal found 4/8$1,214
This oojo deal was found by Cheapflights users on 4/8. 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.
Fri 5/25:50 pmPDX - KTM
2 stops39h 10mCathay Pacific
Sun 5/2511:00 pmKTM - PDX
2 stops37h 44mCathay Pacific
Deal found 4/8$1,227
This Indian Eagle deal was found by Cheapflights users on 4/8. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1010:35 amPDX - KTM
2 stops41h 25mQatar Airways
Sat 10/257:05 pmKTM - PDX
2 stops36h 18mQatar Airways
Deal found 4/8$1,438
This Ovago deal was found by Cheapflights users on 4/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2111:20 amPDX - KTM
2 stops31h 15mEmirates
Thu 12/1812:55 amKTM - PDX
2 stops31h 26mEmirates
Deal found 4/8$3,004

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 April 9, 2025.
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

PDX - KTM

PDXKTM

Portland

Tue 9/16

6:05 am-9:45 pm

2 stops26h 55m

Kathmandu Tribhuvan

Tue 9/30

11:00 pm-1:50 pm

2 stops27h 35m

$1,076

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Thu 5/1

6:55 pm-9:45 pm

2 stops38h 05m

Kathmandu Tribhuvan

Thu 5/15

11:00 pm-4:24 pm

2 stops30h 09m

$1,214

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Fri 5/2

5:50 pm-9:45 pm

2 stops39h 10m

Kathmandu Tribhuvan

Sun 5/25

11:00 pm-11:59 pm

2 stops37h 44m

$1,227

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Wed 9/10

10:35 am-4:45 pm

2 stops41h 25m

Kathmandu Tribhuvan

Sat 10/25

7:05 pm-6:38 pm

2 stops36h 18m

$1,438

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Wed 4/16

12:30 pm-9:45 pm

2 stops44h 30m

$506

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
CheapfaremartPrice Accuracy-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-Kathmandu flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Kathmandu flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Kathmandu flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-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-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

How far ahead should I book a flight from Portland to Kathmandu?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Kathmandu. Price data was last updated on April 4, 2025.

The price you pay for your flight from Portland to Kathmandu may vary depending on when you book. For the best chance of a lower fare, look to book 26 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, September is the cheapest month in which you can book a flight from Portland to Kathmandu (average of $1,237). Flying from Portland to Kathmandu in June is currently the most expensive (average of $1,960). 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.

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

Find hourly flight availability from Portland to Kathmandu. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 9, 2025.

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

Rainfall in Kathmandu by month

Plan your trip to Kathmandu by taking into account the average rainfall totals by month.

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.

Temperature in Kathmandu by month

Plan your trip to Kathmandu by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Kathmandu

Get insights into the airlines that provide service to Kathmandu. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kathmandu. Reviews last updated April 9, 2025.
Singapore Airlines
8.1
Very good
1,288 reviews

Entertainment

8.0

Overall

8.1

Food

7.7

Crew

8.6

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Singapore Airlines
8.1
Very good
1,288 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Entertainment

8.0

Overall

8.1

Food

7.7

Crew

8.6

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Cathay Pacific
7.5
Good
843 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Entertainment

8.0

Overall

8.1

Food

7.7

Crew

8.6

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Qatar Airways
7.4
Good
3,545 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Entertainment

8.0

Overall

8.1

Food

7.7

Crew

8.6

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Etihad Airways
7.4
Good
1,186 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Entertainment

8.0

Overall

8.1

Food

7.7

Crew

8.6

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles

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.

  • What are the cheapest airlines flying from Portland to Kathmandu round-trip?

    Flying on Cathay Pacific is currently your cheapest option to Kathmandu, with prices starting at $1,227. Additional round-trip tickets that might be worth considering are offered by Singapore Airlines and Etihad Airways, with the lowest prices starting at $1,847 and $3,443, respectively. You may be able to fly from Portland to Kathmandu for 13% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Portland to Kathmandu one-way?

    The cheapest airline one-way is Cathay Pacific, with whom users have recently found tickets for as low as $1,045. However, be on the lookout for offers from Qatar Airways and Singapore Airlines, as they are both options that can get you from Portland to Kathmandu for a low price.

  • Where are the most common layover locations when flying from Portland to Kathmandu?

    Flights departing from Portland and landing in Kathmandu layover in Seattle most frequently.

  • What are some popular things to do or see while on a layover in Seattle?

    If you're on a layover in Seattle and looking for things to do, consider visiting Pike Place Market, Space Needle, or Seattle Waterfront. Those on a layover in Seattle interested in visiting Pike Place Market, Space Needle, or Seattle Waterfront can do so by traveling 11.2 mi, 12.0 mi, and 10.9 mi, respectively from Seattle/Tacoma Intl. Travelers can book a car rental at Seattle/Tacoma Intl for about $48 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Portland to Kathmandu flights?

    The least popular layover on flights from Portland to Kathmandu is Doha.

  • 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 to Kathmandu?

    Currently, September is the cheapest month in which you can book a flight from Portland to Kathmandu (average of $1,237). Flying from Portland to Kathmandu in June is currently the most expensive (average of $1,960). 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

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Alternative routes for Portland to Kathmandu

See prices for flight routes from nearby airports that may be better suited for you.
Boise to Kathmandu flights
Medford to Kathmandu flights
Redmond to Kathmandu flights

Top 3 airlines flying from Portland to Kathmandu

Discover the top 3 airlines that operate flights from Portland to Kathmandu. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$987Average$1,346FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,078Average$1,309FlexibilityNo cancel feeOn-time68%
Cathay PacificCheapest$1,128Average$1,201FlexibilityNo cancel feeOn-time72%

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