Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Kathmandu from $512

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 3/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portland to Kathmandu

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
1:52 pm - 7:55 am
PDX
-
KTM
29h 18m2 stops
Qatar Airways Logo
6:00 pm - 4:50 pm
KTM
-
PDX
35h 35m2 stops
$1,057Qatar Airways
Thu, May 7 - Sat, May 16
Qatar Airways Logo
1:35 pm - 4:45 pm
PDX
-
KTM
38h 25m2 stops
Qatar Airways Logo
6:00 pm - 4:50 pm
KTM
-
PDX
35h 35m2 stops
$1,075Qatar Airways
Mon, Apr 20 - Tue, May 12
Qatar Airways Logo
1:36 pm - 4:25 pm
PDX
-
KTM
38h 04m2 stops
Qatar Airways Logo
6:00 pm - 9:35 pm
KTM
-
PDX
40h 20m2 stops
$1,101Qatar Airways
Mon, Mar 16 - Mon, Apr 6
Qatar Airways Logo
1:35 pm - 4:45 pm
PDX
-
KTM
38h 25m2 stops
Qatar Airways Logo
6:00 pm - 9:35 pm
KTM
-
PDX
40h 20m2 stops
$1,120Qatar Airways
Wed, Apr 1 - Tue, Apr 28
Multiple Airlines Logo
2:57 pm - 9:30 pm
PDX
-
KTM
40h 48m2 stops
Multiple Airlines Logo
10:55 pm - 4:49 pm
KTM
-
PDX
31h 39m2 stops
$1,152Multiple Airlines
Mon, Jan 26 - Mon, Feb 9
Qatar Airways Logo
1:38 pm - 7:55 am
PDX
-
KTM
28h 32m2 stops
Qatar Airways Logo
5:40 pm - 4:43 pm
KTM
-
PDX
36h 48m2 stops
$1,161Qatar Airways
Thu, Jan 22 - Sat, Feb 21
Multiple Airlines Logo
5:49 pm - 9:30 pm
PDX
-
KTM
38h 56m2 stops
Multiple Airlines Logo
10:50 pm - 10:15 pm
KTM
-
PDX
36h 10m3 stops
$1,169Multiple Airlines
Mon, Apr 20 - Tue, May 12
Qatar Airways Logo
10:52 am - 5:50 pm
PDX
-
KTM
41h 13m2 stops
Qatar Airways Logo
9:10 am - 10:41 pm
KTM
-
PDX
51h 16m2 stops
$1,176Qatar Airways
Wed, Jan 21 - Thu, Feb 19
Multiple Airlines Logo
1:35 pm - 9:45 pm
PDX
-
KTM
43h 25m2 stops
Multiple Airlines Logo
10:50 pm - 8:35 pm
KTM
-
PDX
34h 30m3 stops
$1,179Multiple Airlines
Wed, Apr 1 - Tue, Apr 28
Qatar Airways Logo
9:30 pm - 4:25 pm
PDX
-
KTM
53h 10m2 stops
Qatar Airways Logo
9:10 am - 10:41 pm
KTM
-
PDX
51h 16m2 stops
$1,183Qatar Airways
Thu, Jan 22 - Thu, Feb 19

Qatar Airways flights from Portland to Kathmandu

Our best Qatar Airways deals on Portland to Kathmandu flight tickets
Qatar Airways
May 7
PDX1:52 pmPortland
29h 18m
2 stops
KTM7:55 amKathmandu Tribhuvan
May 16
KTM6:00 pmKathmandu Tribhuvan
35h 35m
2 stops
PDX4:50 pmPortland
$1,057
Qatar Airways
Apr 20
PDX1:35 pmPortland
38h 25m
2 stops
KTM4:45 pmKathmandu Tribhuvan
May 12
KTM6:00 pmKathmandu Tribhuvan
35h 35m
2 stops
PDX4:50 pmPortland
$1,075
Qatar Airways
Mar 16
PDX1:36 pmPortland
38h 04m
2 stops
KTM4:25 pmKathmandu Tribhuvan
Apr 6
KTM6:00 pmKathmandu Tribhuvan
40h 20m
2 stops
PDX9:35 pmPortland
$1,101

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 January 8, 2026.
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

Thu 5/7

1:52 pm-7:55 am

2 stops29h 18m

Kathmandu Tribhuvan

Sat 5/16

6:00 pm-4:50 pm

2 stops35h 35m

$1,057

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Mon 4/20

1:35 pm-4:45 pm

2 stops38h 25m

Kathmandu Tribhuvan

Tue 5/12

6:00 pm-4:50 pm

2 stops35h 35m

$1,075

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Mon 3/16

1:36 pm-4:25 pm

2 stops38h 04m

Kathmandu Tribhuvan

Mon 4/6

6:00 pm-9:35 pm

2 stops40h 20m

$1,101

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Wed 4/1

1:35 pm-4:45 pm

2 stops38h 25m

Kathmandu Tribhuvan

Tue 4/28

6:00 pm-9:35 pm

2 stops40h 20m

$1,120

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Mon 1/26

2:57 pm-9:30 pm

2 stops40h 48m

Kathmandu Tribhuvan

Mon 2/9

10:55 pm-4:49 pm

2 stops31h 39m

$1,152

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Thu 1/22

1:38 pm-7:55 am

2 stops28h 32m

Kathmandu Tribhuvan

Sat 2/21

5:40 pm-4:43 pm

2 stops36h 48m

$1,161

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Mon 4/20

5:49 pm-9:30 pm

2 stops38h 56m

Kathmandu Tribhuvan

Tue 5/12

10:50 pm-10:15 pm

3 stops36h 10m

$1,169

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Wed 1/21

10:52 am-5:50 pm

2 stops41h 13m

Kathmandu Tribhuvan

Thu 2/19

9:10 am-10:41 pm

2 stops51h 16m

$1,176

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Wed 4/1

1:35 pm-9:45 pm

2 stops43h 25m

Kathmandu Tribhuvan

Tue 4/28

10:50 pm-8:35 pm

3 stops34h 30m

$1,179

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Thu 1/22

9:30 pm-4:25 pm

2 stops53h 10m

Kathmandu Tribhuvan

Thu 2/19

9:10 am-10:41 pm

2 stops51h 16m

$1,183

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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.

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 $1,547 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 $1,119 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 28h 32m.

  • 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 $1,093Free CancellationRating
8.1
1,429 reviews
Search Singapore Airlines flights
Cathay PacificPriceFrom $1,131Free CancellationRating
7.6
1,124 reviews
Search Cathay Pacific flights
Qatar AirwaysPriceFrom $1,206Free CancellationRating
7.4
3,701 reviews
Search Qatar Airways 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 2/7
Sat 2/14
By creating a price alert you accept our terms of use and privacy policy.

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
Qatar Airways
Singapore Airlines
Cathay Pacific