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Cheap flights from Portland to Kathmandu from $654

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 11/29. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
10:30 am - 4:25 pmPDX-KTM
40h 10m2 stops
Qatar Airways Logo
7:05 pm - 7:15 pmKTM-PDX
37h 55m2 stops
$1,012Qatar Airways
Find Deal
Mon, Feb 23 - Mon, Mar 2
Qatar Airways Logo
9:30 pm - 4:25 pmPDX-KTM
53h 10m2 stops
Qatar Airways Logo
7:05 pm - 4:34 pmKTM-PDX
35h 14m2 stops
$1,017Qatar Airways
Find Deal
Thu, Jan 15 - Fri, Jan 30
Multiple Airlines Logo
1:38 pm - 4:25 pmPDX-KTM
37h 02m2 stops
Multiple Airlines Logo
5:40 pm - 4:43 pmKTM-PDX
36h 48m2 stops
$1,024Multiple Airlines
Find Deal
Mon, Feb 2 - Mon, Feb 16
Qatar Airways Logo
1:36 pm - 7:55 amPDX-KTM
28h 34m2 stops
Qatar Airways Logo
5:40 pm - 11:46 pmKTM-PDX
43h 51m2 stops
$1,066Qatar Airways
Find Deal
Tue, Feb 24 - Tue, Mar 3
Qatar Airways Logo
9:10 am - 7:55 amPDX-KTM
33h 00m2 stops
Qatar Airways Logo
7:05 pm - 6:05 pmKTM-PDX
36h 45m2 stops
$1,094Qatar Airways
Find Deal
Sun, Feb 1 - Mon, Feb 16
Qatar Airways Logo
1:34 pm - 7:55 amPDX-KTM
28h 36m2 stops
Qatar Airways Logo
5:40 pm - 4:27 pmKTM-PDX
36h 32m2 stops
$1,127Qatar Airways
Find Deal
Tue, Dec 2 - Fri, Dec 19
Qatar Airways Logo
1:38 pm - 7:55 amPDX-KTM
28h 32m2 stops
Qatar Airways Logo
7:05 pm - 10:41 pmKTM-PDX
41h 21m2 stops
$1,134Qatar Airways
Find Deal
Sat, Jan 31 - Tue, Feb 17
Qatar Airways Logo
1:38 pm - 7:55 amPDX-KTM
28h 32m2 stops
Qatar Airways Logo
7:05 pm - 10:41 pmKTM-PDX
41h 21m2 stops
$1,139Qatar Airways
Find Deal
Sun, Feb 1 - Sat, Feb 14
Qatar Airways Logo
1:38 pm - 7:55 amPDX-KTM
28h 32m2 stops
Qatar Airways Logo
7:05 pm - 10:41 pmKTM-PDX
41h 21m2 stops
$1,179Qatar Airways
Find Deal
Sat, Jan 31 - Sun, Feb 15
Qatar Airways Logo
8:30 am - 7:55 amPDX-KTM
33h 40m2 stops
Qatar Airways Logo
7:05 pm - 10:41 pmKTM-PDX
41h 21m2 stops
$1,233Qatar Airways
Find Deal
Sun, Feb 22 - Mon, Mar 2

Qatar Airways flights from Portland to Kathmandu

Our best Qatar Airways deals on Portland to Kathmandu flight tickets
Qatar Airways
Feb 23
PDX10:30 amPortland
40h 10m
2 stops
KTM4:25 pmKathmandu Tribhuvan
Mar 2
KTM7:05 pmKathmandu Tribhuvan
37h 55m
2 stops
PDX7:15 pmPortland
$1,012
Find similar
Qatar Airways
Jan 15
PDX9:30 pmPortland
53h 10m
2 stops
KTM4:25 pmKathmandu Tribhuvan
Jan 30
KTM7:05 pmKathmandu Tribhuvan
35h 14m
2 stops
PDX4:34 pmPortland
$1,017
Find similar
Qatar Airways
Apr 12
PDX1:45 pmPortland
29h 25m
2 stops
KTM7:55 amKathmandu Tribhuvan
Apr 25
KTM6:00 pmKathmandu Tribhuvan
39h 28m
2 stops
PDX8:43 pmPortland
$1,053
Find similar

Singapore Airlines flights from Portland to Kathmandu

Our best Singapore Airlines deals on Portland to Kathmandu flight tickets
Singapore Airlines
Feb 25
PDX7:30 amPortland
48h 35m
2 stops
KTM9:50 pmKathmandu Tribhuvan
Feb 28
KTM11:00 pmKathmandu Tribhuvan
28h 04m
2 stops
PDX1:19 pmPortland
$1,550
Find similar
Singapore Airlines
Feb 25
PDX7:30 amPortland
48h 35m
3 stops
KTM9:50 pmKathmandu Tribhuvan
Mar 4
KTM11:05 pmKathmandu Tribhuvan
25h 35m
2 stops
PDX10:55 amPortland
$1,789
Find similar
Singapore Airlines
Feb 25
PDX7:30 amPortland
48h 35m
3 stops
KTM9:50 pmKathmandu Tribhuvan
Feb 28
KTM11:00 pmKathmandu Tribhuvan
28h 04m
2 stops
PDX1:19 pmPortland
$1,984
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 26, 2025.
Use the filters below to find and compare flights from Portland to Kathmandu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Mon 2/23

10:30 am-4:25 pm

2 stops40h 10m

Kathmandu Tribhuvan

Mon 3/2

7:05 pm-7:15 pm

2 stops37h 55m

$1,012

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Thu 1/15

9:30 pm-4:25 pm

2 stops53h 10m

Kathmandu Tribhuvan

Fri 1/30

7:05 pm-4:34 pm

2 stops35h 14m

$1,017

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Mon 2/2

1:38 pm-4:25 pm

2 stops37h 02m

Kathmandu Tribhuvan

Mon 2/16

5:40 pm-4:43 pm

2 stops36h 48m

$1,024

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Tue 2/24

1:36 pm-7:55 am

2 stops28h 34m

Kathmandu Tribhuvan

Tue 3/3

5:40 pm-11:46 pm

2 stops43h 51m

$1,066

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Sun 2/1

9:10 am-7:55 am

2 stops33h 00m

Kathmandu Tribhuvan

Mon 2/16

7:05 pm-6:05 pm

2 stops36h 45m

$1,094

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Tue 12/2

1:34 pm-7:55 am

2 stops28h 36m

Kathmandu Tribhuvan

Fri 12/19

5:40 pm-4:27 pm

2 stops36h 32m

$1,127

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Sat 1/31

1:38 pm-7:55 am

2 stops28h 32m

Kathmandu Tribhuvan

Tue 2/17

7:05 pm-10:41 pm

2 stops41h 21m

$1,134

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Sun 2/1

1:38 pm-7:55 am

2 stops28h 32m

Kathmandu Tribhuvan

Sat 2/14

7:05 pm-10:41 pm

2 stops41h 21m

$1,139

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Sat 1/31

1:38 pm-7:55 am

2 stops28h 32m

Kathmandu Tribhuvan

Sun 2/15

7:05 pm-10:41 pm

2 stops41h 21m

$1,179

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Sun 2/22

8:30 am-7:55 am

2 stops33h 40m

Kathmandu Tribhuvan

Mon 3/2

7:05 pm-10:41 pm

2 stops41h 21m

$1,233

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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 cheapest month to fly to Kathmandu?

The month of October is another great option to travel to Kathmandu, with average flight prices from Portland averaging around $1,293.

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.

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 $1,498 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.

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

28h 32m

Direct flights

None
The fastest flight from Portland to Kathmandu takes 28h 32m
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 26h 35m.

  • 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?

  • 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?

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 AirlinesPriceFrom $1,059Free CancellationRating
8.1
1,409 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom $1,100Free CancellationRating
7.4
3,675 reviews
Search Qatar Airways flights
Cathay PacificPriceFrom $1,128Free CancellationRating
7.6
1,068 reviews
Search Cathay Pacific flights

Traveling to a place near Kathmandu?

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

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Fly your favorite airline to Kathmandu

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Qatar Airways
Singapore Airlines
Cathay Pacific