What is the cheapest airline that flies from Portland to Kathmandu Tribhuvan?

Qatar Airways is the most popular carrier operating from Portland to Kathmandu Tribhuvan

What airlines fly to Kathmandu?

Qatar Airways, Cathay Pacific and Singapore Airlines are the top three most popular airlines that fly to Kathmandu from Portland according to our data. Qatar Airways is the first choice among our users, with 87% of people opting to fly with this airline when traveling to Kathmandu. Keep in mind that there are 3 different airlines that fly to Kathmandu on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Portland Airport to Kathmandu Tribhuvan Airport?

Prices for flights from Portland Airport to Kathmandu Tribhuvan Airport were last updated today.

How many operators does momondo search for flights from Portland Airport to Kathmandu Tribhuvan Airport?

The number of operators available for flights from Portland Airport to Kathmandu Tribhuvan Airport is 3 as of May 2026.

How old do you have to be to fly from Portland Airport to Kathmandu Tribhuvan Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Kathmandu Tribhuvan Airport.

What documentation or ID do you need to fly to Kathmandu Tribhuvan Airport?

The required travel and health documents for your Kathmandu Tribhuvan Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Kathmandu Tribhuvan Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$595 Cheap Flights from Portland to Kathmandu in 2026

Q: What is the typical price of a round-trip flight between Portland and Kathmandu?

Prices are currently low for flights on this route. Typical prices usually range from $2,275 to $1,855. The lowest price recently found on this route was $1,074.

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Find the cheapest flights from Portland to Kathmandu

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:48 am - 8:50 am

PDX

KTM

32h 17m

2 stops

6:45 pm - 4:50 pm

KTM

PDX

34h 50m

2 stops

$1,074Qatar Airways

Thu, Sep 3 - Mon, Sep 21

1:59 pm - 8:50 am

PDX

KTM

30h 06m

2 stops

6:45 pm - 4:50 pm

KTM

PDX

34h 50m

2 stops

$1,076Multiple Airlines

Thu, Sep 3 - Mon, Sep 21

9:30 am - 8:50 am

PDX

KTM

34h 35m

2 stops

11:05 am - 4:49 pm

KTM

PDX

42h 29m

2 stops

$1,077Qatar Airways

Wed, Aug 19 - Fri, Sep 4

9:30 am - 9:50 am

PDX

KTM

35h 35m

2 stops

10:05 am - 6:40 pm

KTM

PDX

45h 20m

2 stops

$1,079Multiple Airlines

Wed, Aug 19 - Fri, Sep 4

8:19 am - 9:50 am

PDX

KTM

36h 46m

2 stops

5:40 pm - 9:13 pm

KTM

PDX

41h 18m

2 stops

$1,081Multiple Airlines

Tue, Jul 21 - Tue, Jan 19

9:40 am - 4:25 pm

PDX

KTM

41h 00m

2 stops

5:40 pm - 10:03 pm

KTM

PDX

42h 08m

2 stops

$1,088Multiple Airlines

Wed, Nov 25 - Fri, Dec 25

11:57 am - 4:25 pm

PDX

KTM

38h 43m

2 stops

6:45 pm - 10:03 pm

KTM

PDX

41h 03m

2 stops

$1,095Multiple Airlines

Wed, Nov 25 - Fri, Dec 25

9:29 pm - 9:50 am

PDX

KTM

47h 36m

2 stops

5:40 pm - 11:00 pm

KTM

PDX

43h 05m

2 stops

$1,098Multiple Airlines

Tue, Oct 20 - Tue, Nov 10

8:40 pm - 4:25 pm

PDX

KTM

54h 00m

2 stops

5:40 pm - 4:37 pm

KTM

PDX

36h 42m

2 stops

$1,101Multiple Airlines

Tue, Nov 24 - Thu, Dec 24

1:59 pm - 9:50 am

PDX

KTM

31h 06m

2 stops

6:45 pm - 4:50 pm

KTM

PDX

34h 50m

2 stops

$1,131Multiple Airlines

Thu, Sep 3 - Sun, Sep 27

Qatar Airways flights from Portland to Kathmandu

Our best Qatar Airways deals on Portland to Kathmandu flight tickets

Qatar Airways

Sep 3

PDX11:48 amPortland

32h 17m

2 stops

KTM8:50 amKathmandu Tribhuvan

Sep 21

KTM6:45 pmKathmandu Tribhuvan

34h 50m

2 stops

PDX4:50 pmPortland

$1,074

Qatar Airways

Aug 19

PDX9:30 amPortland

34h 35m

2 stops

KTM8:50 amKathmandu Tribhuvan

Sep 4

KTM11:05 amKathmandu Tribhuvan

42h 29m

2 stops

PDX4:49 pmPortland

$1,077

Qatar Airways

Aug 29

PDX6:17 amPortland

37h 48m

2 stops

KTM8:50 amKathmandu Tribhuvan

Dec 5

KTM6:45 pmKathmandu Tribhuvan

33h 55m

2 stops

PDX2:55 pmPortland

$1,163

Air India flights from Portland to Kathmandu

Our best Air India deals on Portland to Kathmandu flight tickets

Air India

Jun 6

PDX5:59 pmPortland

47h 51m

3 stops

KTM6:35 amKathmandu Tribhuvan

Jun 24

KTM5:30 pmKathmandu Tribhuvan

39h 48m

3 stops

PDX8:33 pmPortland

$3,945

Air India

Jun 7

PDX9:30 pmPortland

44h 20m

3 stops

KTM6:35 amKathmandu Tribhuvan

Jun 25

KTM5:30 pmKathmandu Tribhuvan

39h 48m

3 stops

PDX8:33 pmPortland

$4,012

Air India

Jun 7

PDX9:30 pmPortland

44h 20m

3 stops

KTM6:35 amKathmandu Tribhuvan

Jun 25

KTM6:30 amKathmandu Tribhuvan

50h 48m

3 stops

PDX8:33 pmPortland

$4,023

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Thu 9/3

11:48 am-8:50 am

2 stops32h 17m

Kathmandu Tribhuvan

Mon 9/21

6:45 pm-4:50 pm

2 stops34h 50m

$1,074

Quickest round-trip

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Thu 9/3

1:59 pm-8:50 am

2 stops30h 06m

Kathmandu Tribhuvan

Mon 9/21

6:45 pm-4:50 pm

2 stops34h 50m

$1,076

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Wed 8/19

9:30 am-8:50 am

2 stops34h 35m

Kathmandu Tribhuvan

Fri 9/4

11:05 am-4:49 pm

2 stops42h 29m

$1,077

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Wed 8/19

9:30 am-9:50 am

2 stops35h 35m

Kathmandu Tribhuvan

Fri 9/4

10:05 am-6:40 pm

2 stops45h 20m

$1,079

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Tue 7/21

8:19 am-9:50 am

2 stops36h 46m

Kathmandu Tribhuvan

Tue 1/19

5:40 pm-9:13 pm

2 stops41h 18m

$1,081

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Wed 11/25

9:40 am-4:25 pm

2 stops41h 00m

Kathmandu Tribhuvan

Fri 12/25

5:40 pm-10:03 pm

2 stops42h 08m

$1,088

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Wed 11/25

11:57 am-4:25 pm

2 stops38h 43m

Kathmandu Tribhuvan

Fri 12/25

6:45 pm-10:03 pm

2 stops41h 03m

$1,095

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Tue 10/20

9:29 pm-9:50 am

2 stops47h 36m

Kathmandu Tribhuvan

Tue 11/10

5:40 pm-11:00 pm

2 stops43h 05m

$1,098

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Tue 11/24

8:40 pm-4:25 pm

2 stops54h 00m

Kathmandu Tribhuvan

Thu 12/24

5:40 pm-4:37 pm

2 stops36h 42m

$1,101

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Thu 9/3

1:59 pm-9:50 am

2 stops31h 06m

Kathmandu Tribhuvan

Sun 9/27

6:45 pm-4:50 pm

2 stops34h 50m

$1,131

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland to Kathmandu

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Portland and Kathmandu?

What is the cheapest month to fly to Kathmandu?

The month of March is another great option to travel to Kathmandu, with average flight prices from Portland averaging around $1,305.

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

You are more likely to see cheaper flights to Kathmandu from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Kathmandu for around $1,499 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kathmandu from Portland for as low as $1,097 on momondo.

When to book flights from Portland to Kathmandu

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Kathmandu according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Portland to Kathmandu (PDX to KTM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Kathmandu

Fastest flight time	31h 47m
Direct flights	None

The fastest flight from Portland to Kathmandu takes 31h 47m

There are no direct flights from Portland to Kathmandu. There are no popular flight routes from Portland to Kathmandu.

Search flight deals

Frequently asked questions about flying from Portland to Kathmandu

How far is Portland to Kathmandu Tribhuvan by plane?
A flight from Portland to Kathmandu Tribhuvan will travel around 7074.4 mi. A reasonable flight in good conditions will take 31h 47m.
When did momondo last update prices for flights from Portland Airport to Kathmandu Tribhuvan Airport?
Prices for flights from Portland Airport to Kathmandu Tribhuvan Airport were last updated today.
How many operators does momondo search for flights from Portland Airport to Kathmandu Tribhuvan Airport?
The number of operators available for flights from Portland Airport to Kathmandu Tribhuvan Airport is 3 as of May 2026.
How old do you have to be to fly from Portland Airport to Kathmandu Tribhuvan Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Kathmandu Tribhuvan Airport.
What documentation or ID do you need to fly to Kathmandu Tribhuvan Airport?
The required travel and health documents for your Kathmandu Tribhuvan Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Kathmandu Tribhuvan Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Portland to Kathmandu?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Portland to Kathmandu is Qatar Airways (87% of total bookings). The next most popular airlines are Cathay Pacific (7%) and Singapore Airlines (6%).

Best airlines flying from Portland to Kathmandu

Compare and see reviews for airlines that fly from Portland to Kathmandu with momondo

Airline	Rating	Free Cancellation	Price
Singapore Airlines	PriceFrom $1,092	Free Cancellation	Rating 8.2 1,526 reviews	Search Singapore Airlines flights
Qatar Airways	PriceFrom $1,161	Free Cancellation	Rating 7.4 3,730 reviews	Search Qatar Airways flights
Cathay Pacific	PriceFrom $1,228	Free Cancellation	Rating 7.6 1,352 reviews	Search Cathay Pacific flights

Nagarkot

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Kathmandu?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Kathmandu. momondo saves you time and could save you money on your trip.

Can I find flights from Portland to Kathmandu with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Portland to Kathmandu flights to just show those with flexible booking policies.

How can momondo help me find flights from Portland to Kathmandu?

momondo helps you find the best flight between Portland and Kathmandu by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Portland to Kathmandu right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Kathmandu, momondo offers a useful price alert feature which will track prices for flights to Kathmandu from Portland and alert you when they change.

An easier way to manage your Kathmandu trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Portland to Kathmandu from $595

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Kathmandu departing on 8/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Qatar Airways flights from Portland to Kathmandu

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Our best Air India deals on Portland to Kathmandu flight tickets

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How to get the cheapest flight ticket from Portland to Kathmandu

What is the typical price of a round-trip flight between Portland and Kathmandu?

What is the cheapest month to fly to Kathmandu?

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

What is the cheapest airline that flies from Portland to Kathmandu Tribhuvan?

What airlines fly to Kathmandu?

When to book flights from Portland to Kathmandu

Cheap Portland to Kathmandu (PDX to KTM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Kathmandu

Fastest flight time

Direct flights

Frequently asked questions about flying from Portland to Kathmandu

Best airlines flying from Portland to Kathmandu

Compare and see reviews for airlines that fly from Portland to Kathmandu with momondo

Traveling to a place near Kathmandu?

Why use momondo?

An easier way to manage your Kathmandu trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Nepal

Fly your favorite airline to Kathmandu

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Kathmandu

List of cabin classes available on flights landing in Kathmandu. Availability may vary depending on flight origin and airline.

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