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, Singapore Airlines and Cathay Pacific 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 61% 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 September 2025.

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.

$544 Cheap Flights from Portland to Kathmandu in 2025/26

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 $1,316 to $1,526. The lowest price recently found on this route was $1,297.

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Find the cheapest flights from Portland to Kathmandu

Round-trip

One-way

Last minute

Cheap round-trip flights

10:40 am - 4:25 pmPDX-KTM

40h 00m2 stops

6:45 pm - 4:50 pmKTM-PDX

35h 50m2 stops

$1,297Qatar Airways

Find Deal

Mon, Nov 3 - Mon, Dec 15

7:00 am - 5:50 pmPDX-KTM

46h 05m2 stops

11:30 am - 8:50 pmKTM-PDX

46h 05m2 stops

$1,307Qatar Airways

Find Deal

Mon, Oct 13 - Mon, Oct 20

10:40 am - 4:25 pmPDX-KTM

40h 00m2 stops

6:45 pm - 7:14 pmKTM-PDX

38h 14m2 stops

$1,315Qatar Airways

Find Deal

Tue, Nov 4 - Tue, Nov 18

10:40 am - 4:25 pmPDX-KTM

40h 00m2 stops

6:45 pm - 4:50 pmKTM-PDX

35h 50m2 stops

$1,340Qatar Airways

Find Deal

Mon, Nov 3 - Sun, Dec 14

5:00 am - 3:25 pmPDX-KTM

44h 40m2 stops

5:40 pm - 4:50 pmKTM-PDX

36h 55m2 stops

$1,348Qatar Airways

Find Deal

Sun, Nov 2 - Mon, Dec 15

10:30 am - 4:25 pmPDX-KTM

40h 10m2 stops

5:40 pm - 8:50 pmKTM-PDX

40h 55m2 stops

$1,363Qatar Airways

Find Deal

Wed, Nov 19 - Thu, Dec 4

11:17 am - 11:10 amPDX-KTM

34h 08m2 stops

12:35 pm - 4:45 pmKTM-PDX

41h 55m2 stops

$1,374Multiple Airlines

Find Deal

Sat, Nov 8 - Thu, Nov 27

6:00 am - 5:30 pmPDX-KTM

45h 45m2 stops

5:40 pm - 5:28 pmKTM-PDX

37h 33m2 stops

$1,388Qatar Airways

Find Deal

Mon, Nov 17 - Fri, Dec 5

5:00 am - 3:25 pmPDX-KTM

44h 40m2 stops

9:35 am - 5:28 pmKTM-PDX

45h 38m2 stops

$1,391Qatar Airways

Find Deal

Sun, Nov 2 - Thu, Dec 11

9:30 pm - 11:10 amPDX-KTM

48h 55m2 stops

12:35 pm - 11:44 pmKTM-PDX

48h 54m2 stops

$1,450Multiple Airlines

Find Deal

Sat, Nov 1 - Sun, Nov 30

Qatar Airways flights from Portland to Kathmandu

Our best Qatar Airways deals on Portland to Kathmandu flight tickets

Qatar Airways

Nov 3

PDX10:40 amPortland

40h 00m

2 stops

KTM4:25 pmKathmandu Tribhuvan

Dec 15

KTM6:45 pmKathmandu Tribhuvan

35h 50m

2 stops

PDX4:50 pmPortland

$1,297

Find similar

Qatar Airways

Oct 13

PDX7:00 amPortland

46h 05m

2 stops

KTM5:50 pmKathmandu Tribhuvan

Oct 20

KTM11:30 amKathmandu Tribhuvan

46h 05m

2 stops

PDX8:50 pmPortland

$1,307

Find similar

Qatar Airways

Nov 4

PDX10:40 amPortland

40h 00m

2 stops

KTM4:25 pmKathmandu Tribhuvan

Nov 18

KTM6:45 pmKathmandu Tribhuvan

38h 14m

2 stops

PDX7:14 pmPortland

$1,315

Find similar

Singapore Airlines flights from Portland to Kathmandu

Our best Singapore Airlines deals on Portland to Kathmandu flight tickets

Singapore Airlines

Sep 23

PDX7:21 amPortland

49h 29m

3 stops

KTM9:35 pmKathmandu Tribhuvan

Oct 29

KTM11:05 pmKathmandu Tribhuvan

26h 15m

2 stops

PDX12:35 pmPortland

$9,559

Find similar

Singapore Airlines

Sep 23

PDX7:21 amPortland

49h 29m

3 stops

KTM9:35 pmKathmandu Tribhuvan

Nov 11

KTM11:00 pmKathmandu Tribhuvan

28h 08m

2 stops

PDX1:23 pmPortland

$10,421

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Mon 11/3

10:40 am-4:25 pm

2 stops40h 00m

Kathmandu Tribhuvan

Mon 12/15

6:45 pm-4:50 pm

2 stops35h 50m

$1,297

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Mon 10/13

7:00 am-5:50 pm

2 stops46h 05m

Kathmandu Tribhuvan

Mon 10/20

11:30 am-8:50 pm

2 stops46h 05m

$1,307

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Tue 11/4

10:40 am-4:25 pm

2 stops40h 00m

Kathmandu Tribhuvan

Tue 11/18

6:45 pm-7:14 pm

2 stops38h 14m

$1,315

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Mon 11/3

10:40 am-4:25 pm

2 stops40h 00m

Kathmandu Tribhuvan

Sun 12/14

6:45 pm-4:50 pm

2 stops35h 50m

$1,340

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Sun 11/2

5:00 am-3:25 pm

2 stops44h 40m

Kathmandu Tribhuvan

Mon 12/15

5:40 pm-4:50 pm

2 stops36h 55m

$1,348

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Wed 11/19

10:30 am-4:25 pm

2 stops40h 10m

Kathmandu Tribhuvan

Thu 12/4

5:40 pm-8:50 pm

2 stops40h 55m

$1,363

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Sat 11/8

11:17 am-11:10 am

2 stops34h 08m

Kathmandu Tribhuvan

Thu 11/27

12:35 pm-4:45 pm

2 stops41h 55m

$1,374

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Mon 11/17

6:00 am-5:30 pm

2 stops45h 45m

Kathmandu Tribhuvan

Fri 12/5

5:40 pm-5:28 pm

2 stops37h 33m

$1,388

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Sun 11/2

5:00 am-3:25 pm

2 stops44h 40m

Kathmandu Tribhuvan

Thu 12/11

9:35 am-5:28 pm

2 stops45h 38m

$1,391

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Sat 11/1

9:30 pm-11:10 am

2 stops48h 55m

Kathmandu Tribhuvan

Sun 11/30

12:35 pm-11:44 pm

2 stops48h 54m

$1,450

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 May is another great option to travel to Kathmandu, with average flight prices from Portland averaging around $1,239.

What is the cheapest day to depart on your flight to Kathmandu?

According to our data, Wednesday is the cheapest day to fly to Kathmandu from Portland. The lowest ticket price found for a Wednesday departure recently was $1,277. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Portland to Kathmandu on a Sunday will generally be more expensive and average around $1,452. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest Portland to Kathmandu Tribhuvan flight route?

Fly from Portland to Kathmandu Tribhuvan for the best Portland - Kathmandu Tribhuvan flight prices

How far in advance should I book a flight 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 $1,423 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 $1,164 on momondo.

What cabin class options are available on Portland to Kathmandu Tribhuvan flights?

There is only 1 cabin class available to choose from on Portland to Kathmandu Tribhuvan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

Direct flights	None

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

Search flight deals

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 32h 05m.
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 September 2025.
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 (61% of total bookings). The next most popular airlines are Singapore Airlines (22%) and Cathay Pacific (17%).

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 $1,041	Free Cancellation	Rating 8.1 1,369 reviews	Search Singapore Airlines flights
Qatar Airways	PriceFrom $1,075	Free Cancellation	Rating 7.4 3,624 reviews	Search Qatar Airways flights
Cathay Pacific	PriceFrom $1,128	Free Cancellation	Rating 7.6 998 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.

Start using Trips

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Cheap flights from Portland to Kathmandu from $544

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 2/2. 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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Big names and deals

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Filter for what you want

Trusted and free

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Find the cheapest flights from Portland to Kathmandu

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Qatar Airways flights from Portland to Kathmandu

Our best Qatar Airways deals on Portland to Kathmandu flight tickets

Singapore Airlines flights from Portland to Kathmandu

Our best Singapore Airlines deals on Portland to Kathmandu flight tickets

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Use the filters below to find and compare flights from Portland to Kathmandu that are best for you.

See travel insights to Kathmandu from

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

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 May is another great option to travel to Kathmandu, with average flight prices from Portland averaging around $1,239.

What is the cheapest day to depart on your flight to Kathmandu?

What is the cheapest Portland to Kathmandu Tribhuvan flight route?

Fly from Portland to Kathmandu Tribhuvan for the best Portland - Kathmandu Tribhuvan flight prices

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

What cabin class options are available on Portland to Kathmandu Tribhuvan flights?

There is only 1 cabin class available to choose from on Portland to Kathmandu Tribhuvan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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?

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

Direct flights

How far is Portland to Kathmandu Tribhuvan by plane?

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

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

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

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

What is the most popular airline 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?

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

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

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

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

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