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Cheap flights from Portland to Kathmandu from $494

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 9/5. 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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Find the cheapest flights from Portland to Kathmandu

Cheap round-trip flights

Logo
1:51 pm - 9:50 pmPDX-KTM
42h 14m2 stops
Logo
11:00 pm - 1:19 pmKTM-PDX
28h 04m2 stops
$1,137
Find Deal
Sat, Jan 3 - Sun, Mar 1
Logo
2:40 pm - 9:50 pmPDX-KTM
41h 25m2 stops
Logo
11:00 pm - 9:35 amKTM-PDX
48h 20m2 stops
$1,147
Find Deal
Sun, Feb 1 - Sun, Feb 15
Logo
7:30 am - 9:50 pmPDX-KTM
48h 35m3 stops
Logo
11:00 pm - 9:35 amKTM-PDX
48h 20m2 stops
$1,160
Find Deal
Sun, Feb 1 - Sun, Feb 15
Qatar Airways Logo
7:45 am - 8:50 amPDX-KTM
36h 20m2 stops
Qatar Airways Logo
6:45 pm - 8:50 pmKTM-PDX
39h 50m2 stops
$1,354Qatar Airways
Find Deal
Mon, Oct 13 - Mon, Nov 10
Qatar Airways Logo
10:30 am - 8:50 amPDX-KTM
33h 35m2 stops
Qatar Airways Logo
7:05 pm - 8:35 pmKTM-PDX
38h 15m2 stops
$1,382Qatar Airways
Find Deal
Tue, Sep 16 - Tue, Sep 30
Qatar Airways Logo
7:00 am - 8:20 amPDX-KTM
35h 35m2 stops
Qatar Airways Logo
6:45 pm - 8:50 pmKTM-PDX
39h 50m2 stops
$1,395Qatar Airways
Find Deal
Mon, Nov 17 - Fri, Dec 5
Qatar Airways Logo
9:30 pm - 10:15 amPDX-KTM
48h 00m2 stops
Qatar Airways Logo
5:40 pm - 4:28 pmKTM-PDX
36h 33m2 stops
$1,405Qatar Airways
Find Deal
Mon, Sep 8 - Sat, Feb 21
Cathay Pacific Logo
5:55 pm - 10:00 pmPDX-KTM
62h 20m2 stops
Cathay Pacific Logo
11:15 pm - 1:35 pmKTM-PDX
28h 05m2 stops
$1,408Cathay Pacific
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Wed, Nov 19 - Sun, Dec 7
Cathay Pacific Logo
5:41 pm - 10:00 pmPDX-KTM
38h 34m2 stops
Cathay Pacific Logo
11:15 pm - 8:21 pmKTM-PDX
34h 51m2 stops
$1,485Cathay Pacific
Find Deal
Tue, Nov 18 - Sun, Dec 7
Cathay Pacific Logo
6:00 am - 10:00 pmPDX-KTM
50h 15m2 stops
Cathay Pacific Logo
11:15 pm - 1:35 pmKTM-PDX
28h 05m2 stops
$1,486Cathay Pacific
Find Deal
Thu, Nov 20 - Fri, Dec 5

Qatar Airways flights from Portland to Kathmandu

Our best Qatar Airways deals on Portland to Kathmandu flight tickets
Qatar Airways
Sep 4
PDX10:30 amPortland
33h 35m
2 stops
KTM8:50 amKathmandu Tribhuvan
Sep 20
KTM6:00 pmKathmandu Tribhuvan
42h 35m
2 stops
PDX11:50 pmPortland
$1,340
Find similar
Qatar Airways
Oct 13
PDX7:45 amPortland
36h 20m
2 stops
KTM8:50 amKathmandu Tribhuvan
Nov 10
KTM6:45 pmKathmandu Tribhuvan
39h 50m
2 stops
PDX8:50 pmPortland
$1,354
Find similar
Qatar Airways
Sep 16
PDX10:30 amPortland
33h 35m
2 stops
KTM8:50 amKathmandu Tribhuvan
Sep 30
KTM7:05 pmKathmandu Tribhuvan
38h 15m
2 stops
PDX8:35 pmPortland
$1,382
Find similar

Cathay Pacific flights from Portland to Kathmandu

Our best Cathay Pacific deals on Portland to Kathmandu flight tickets
Cathay Pacific
Nov 19
PDX5:55 pmPortland
62h 20m
2 stops
KTM10:00 pmKathmandu Tribhuvan
Dec 7
KTM11:15 pmKathmandu Tribhuvan
28h 05m
2 stops
PDX1:35 pmPortland
$1,408
Find similar
Cathay Pacific
Nov 18
PDX5:41 pmPortland
38h 34m
2 stops
KTM10:00 pmKathmandu Tribhuvan
Dec 7
KTM11:15 pmKathmandu Tribhuvan
34h 51m
2 stops
PDX8:21 pmPortland
$1,485
Find similar
Cathay Pacific
Nov 20
PDX6:00 amPortland
50h 15m
2 stops
KTM10:00 pmKathmandu Tribhuvan
Dec 5
KTM11:15 pmKathmandu Tribhuvan
28h 05m
2 stops
PDX1:35 pmPortland
$1,486
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 August 28, 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

Sat 1/3

1:51 pm-9:50 pm

2 stops42h 14m

Kathmandu Tribhuvan

Sun 3/1

11:00 pm-1:19 pm

2 stops28h 04m

$1,137

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Sun 2/1

2:40 pm-9:50 pm

2 stops41h 25m

Kathmandu Tribhuvan

Sun 2/15

11:00 pm-9:35 am

2 stops48h 20m

$1,147

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Sun 2/1

7:30 am-9:50 pm

3 stops48h 35m

Kathmandu Tribhuvan

Sun 2/15

11:00 pm-9:35 am

2 stops48h 20m

$1,160

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Mon 10/13

7:45 am-8:50 am

2 stops36h 20m

Kathmandu Tribhuvan

Mon 11/10

6:45 pm-8:50 pm

2 stops39h 50m

$1,354

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Tue 9/16

10:30 am-8:50 am

2 stops33h 35m

Kathmandu Tribhuvan

Tue 9/30

7:05 pm-8:35 pm

2 stops38h 15m

$1,382

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Mon 11/17

7:00 am-8:20 am

2 stops35h 35m

Kathmandu Tribhuvan

Fri 12/5

6:45 pm-8:50 pm

2 stops39h 50m

$1,395

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Mon 9/8

9:30 pm-10:15 am

2 stops48h 00m

Kathmandu Tribhuvan

Sat 2/21

5:40 pm-4:28 pm

2 stops36h 33m

$1,405

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Wed 11/19

5:55 pm-10:00 pm

2 stops62h 20m

Kathmandu Tribhuvan

Sun 12/7

11:15 pm-1:35 pm

2 stops28h 05m

$1,408

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Tue 11/18

5:41 pm-10:00 pm

2 stops38h 34m

Kathmandu Tribhuvan

Sun 12/7

11:15 pm-8:21 pm

2 stops34h 51m

$1,485

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Thu 11/20

6:00 am-10:00 pm

2 stops50h 15m

Kathmandu Tribhuvan

Fri 12/5

11:15 pm-1:35 pm

2 stops28h 05m

$1,486

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 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 $1,407 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.
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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?

  • 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 $1,041Free CancellationRating
8.1
1,352 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom $1,079Free CancellationRating
7.4
3,611 reviews
Search Qatar Airways flights
Cathay PacificPriceFrom $1,128Free CancellationRating
7.6
977 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

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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Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Delta
American Airlines
United Airlines
Turkish Airlines
Lufthansa
Frontier
British Airways
Qatar Airways
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Alaska Airlines