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

Singapore Airlines and Qatar Airways are the most popular carriers 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 66% 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 July 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.

$549 Cheap Flights from Portland to Kathmandu in 2025

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 $1,457 to $1,695. The lowest price recently found on this route was $1,154.

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Find the cheapest flights from Portland to Kathmandu

Round-trip

One-way

Last minute

Cheap round-trip flights

5:41 pm - 10:00 pmPDX-KTM

39h 34m2 stops

11:15 pm - 4:50 pmKTM-PDX

31h 20m2 stops

$1,154

Find Deal

Wed, Oct 29 - Tue, Nov 11

5:36 pm - 3:35 pmPDX-KTM

57h 14m3 stops

4:35 pm - 3:59 pmKTM-PDX

36h 09m3 stops

$1,258

Find Deal

Sun, Aug 31 - Thu, Sep 4

10:40 am - 4:25 pmPDX-KTM

41h 00m2 stops

6:45 pm - 8:50 pmKTM-PDX

39h 50m2 stops

$1,268Qatar Airways

Find Deal

Tue, Oct 28 - Wed, Nov 12

7:00 am - 10:15 amPDX-KTM

38h 30m2 stops

7:05 pm - 11:32 pmKTM-PDX

41h 12m2 stops

$1,288Qatar Airways

Find Deal

Tue, Oct 7 - Wed, Oct 22

10:30 am - 8:50 amPDX-KTM

33h 35m2 stops

6:00 pm - 8:35 pmKTM-PDX

39h 20m2 stops

$1,289Qatar Airways

Find Deal

Tue, Aug 26 - Tue, Sep 2

5:55 pm - 8:50 amPDX-KTM

50h 10m2 stops

6:00 pm - 8:38 pmKTM-PDX

39h 23m2 stops

$1,295Qatar Airways

Find Deal

Tue, Oct 14 - Tue, Mar 31

9:30 pm - 9:50 pmPDX-KTM

34h 35m2 stops

11:00 pm - 1:19 pmKTM-PDX

28h 04m2 stops

$1,367Singapore Airlines

Find Deal

Mon, Dec 1 - Sun, Feb 1

7:00 am - 9:35 pmPDX-KTM

49h 50m3 stops

11:00 pm - 9:49 amKTM-PDX

47h 34m2 stops

$1,577Singapore Airlines

Find Deal

Tue, Oct 14 - Tue, Mar 31

5:55 pm - 10:00 pmPDX-KTM

38h 20m2 stops

11:15 pm - 4:28 pmKTM-PDX

30h 58m2 stops

$1,731Cathay Pacific

Find Deal

Thu, Nov 20 - Fri, Jan 9

2:50 pm - 10:00 pmPDX-KTM

41h 25m2 stops

11:15 pm - 8:38 pmKTM-PDX

35h 08m2 stops

$1,765Cathay Pacific

Find Deal

Wed, Nov 19 - Sun, Jan 11

Singapore Airlines flights from Portland to Kathmandu

Our best Singapore Airlines deals on Portland to Kathmandu flight tickets

Singapore Airlines

Dec 1

PDX9:30 pmPortland

34h 35m

2 stops

KTM9:50 pmKathmandu Tribhuvan

Feb 1

KTM11:00 pmKathmandu Tribhuvan

28h 04m

2 stops

PDX1:19 pmPortland

$1,367

Find similar

Singapore Airlines

Oct 14

PDX7:00 amPortland

49h 50m

3 stops

KTM9:35 pmKathmandu Tribhuvan

Mar 31

KTM11:00 pmKathmandu Tribhuvan

47h 34m

2 stops

PDX9:49 amPortland

$1,577

Find similar

Singapore Airlines

Oct 14

PDX7:00 amPortland

49h 50m

3 stops

KTM9:35 pmKathmandu Tribhuvan

Mar 14

KTM11:00 pmKathmandu Tribhuvan

26h 02m

2 stops

PDX12:17 pmPortland

$1,785

Find similar

Qatar Airways flights from Portland to Kathmandu

Our best Qatar Airways deals on Portland to Kathmandu flight tickets

Qatar Airways

Oct 28

PDX10:40 amPortland

41h 00m

2 stops

KTM4:25 pmKathmandu Tribhuvan

Nov 12

KTM6:45 pmKathmandu Tribhuvan

39h 50m

2 stops

PDX8:50 pmPortland

$1,268

Find similar

Qatar Airways

Oct 7

PDX7:00 amPortland

38h 30m

2 stops

KTM10:15 amKathmandu Tribhuvan

Oct 22

KTM7:05 pmKathmandu Tribhuvan

41h 12m

2 stops

PDX11:32 pmPortland

$1,288

Find similar

Qatar Airways

Aug 26

PDX10:30 amPortland

33h 35m

2 stops

KTM8:50 amKathmandu Tribhuvan

Sep 2

KTM6:00 pmKathmandu Tribhuvan

39h 20m

2 stops

PDX8:35 pmPortland

$1,289

Find similar

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 $1,238.

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 $1,379 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 $1,173 on momondo.

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

There are 1 cabin classes 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

Best Price Found	$549
Fastest flight time	26h 45m
Direct flights	None
Airports in Kathmandu	1 airport

The best one-way flight to Kathmandu from Portland in the past 72 hours is $549. The best round-trip flight deal from Portland to Kathmandu found on momondo in the last 72 hours is $1,154.

The fastest flight from Portland to Kathmandu takes 26h 45m

There are no direct flights from Portland to Kathmandu. Popular non-direct route for this connection is Portland Airport - Kathmandu Tribhuvan Airport.

There is 1 airport near Kathmandu: Kathmandu Tribhuvan (KTM)

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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 26h 45m.
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 July 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 (66% of total bookings). The next most popular airlines are Singapore Airlines (18%) and Cathay Pacific (16%).

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 1,326 reviews	Search Singapore Airlines flights
Qatar Airways	PriceFrom $1,083	Free Cancellation	Rating 7.4 3,602 reviews	Search Qatar Airways flights
Cathay Pacific	PriceFrom $1,128	Free Cancellation	Rating 7.6 933 reviews	Search Cathay Pacific flights

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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 $549

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.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Portland to Kathmandu

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Singapore Airlines flights from Portland to Kathmandu

Our best Singapore Airlines deals on Portland to Kathmandu flight tickets

Qatar Airways flights from Portland to Kathmandu

Our best Qatar Airways deals on Portland to Kathmandu flight tickets

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 March is another great option to travel to Kathmandu, with average flight prices from Portland averaging around $1,238.

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 are 1 cabin classes 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?

Singapore Airlines and Qatar Airways are the most popular carriers 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

Best Price Found

Fastest flight time

Direct flights

Airports in Kathmandu

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