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Cheap flights from Portland to Kathmandu from $571

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.
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Find the cheapest flights from Portland to Kathmandu

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
1:38 pm - 7:55 am
PDX
-
KTM
28h 32m2 stops
Qatar Airways Logo
7:05 pm - 6:56 pm
KTM
-
PDX
37h 36m2 stops
$1,009Qatar Airways
Mon, Jan 26 - Fri, Feb 6
Qatar Airways Logo
7:40 am - 8:50 am
PDX
-
KTM
36h 25m2 stops
Qatar Airways Logo
10:55 am - 4:44 pm
KTM
-
PDX
42h 34m2 stops
$1,019Qatar Airways
Wed, Apr 8 - Wed, Apr 22
Qatar Airways Logo
1:38 pm - 4:25 pm
PDX
-
KTM
37h 02m2 stops
Qatar Airways Logo
5:40 pm - 4:43 pm
KTM
-
PDX
36h 48m2 stops
$1,050Qatar Airways
Sat, Jan 24 - Wed, Feb 25
Qatar Airways Logo
1:45 pm - 7:55 am
PDX
-
KTM
29h 25m2 stops
Qatar Airways Logo
6:00 pm - 8:43 pm
KTM
-
PDX
39h 28m2 stops
$1,053Qatar Airways
Sun, Apr 12 - Sat, Apr 25
Multiple Airlines Logo
1:45 pm - 9:45 pm
PDX
-
KTM
43h 15m2 stops
Multiple Airlines Logo
11:00 pm - 4:49 pm
KTM
-
PDX
30h 34m2 stops
$1,092Multiple Airlines
Mon, Apr 6 - Fri, Apr 17
Qatar Airways Logo
1:38 pm - 4:25 pm
PDX
-
KTM
37h 02m2 stops
Qatar Airways Logo
5:40 pm - 8:47 pm
KTM
-
PDX
40h 52m2 stops
$1,104Qatar Airways
Sat, Jan 17 - Sat, Jan 24
Qatar Airways Logo
1:45 pm - 8:50 am
PDX
-
KTM
30h 20m2 stops
Qatar Airways Logo
6:00 pm - 10:21 pm
KTM
-
PDX
41h 06m2 stops
$1,115Qatar Airways
Thu, Apr 9 - Tue, Apr 28
Qatar Airways Logo
6:20 am - 4:25 pm
PDX
-
KTM
44h 20m2 stops
Qatar Airways Logo
5:40 pm - 8:47 pm
KTM
-
PDX
40h 52m2 stops
$1,173Qatar Airways
Mon, Jan 5 - Wed, Jan 28
Qatar Airways Logo
6:20 am - 7:55 am
PDX
-
KTM
35h 50m2 stops
Qatar Airways Logo
7:05 pm - 10:38 pm
KTM
-
PDX
41h 18m2 stops
$1,174Qatar Airways
Wed, Dec 31 - Wed, Jan 21
Qatar Airways Logo
6:20 am - 7:55 am
PDX
-
KTM
35h 50m2 stops
Qatar Airways Logo
5:40 pm - 8:47 pm
KTM
-
PDX
40h 52m2 stops
$1,183Qatar Airways
Fri, Jan 2 - Wed, Jan 28

Qatar Airways flights from Portland to Kathmandu

Our best Qatar Airways deals on Portland to Kathmandu flight tickets
Qatar Airways
Jan 26
PDX1:38 pmPortland
28h 32m
2 stops
KTM7:55 amKathmandu Tribhuvan
Feb 6
KTM7:05 pmKathmandu Tribhuvan
37h 36m
2 stops
PDX6:56 pmPortland
$1,009
Find similar
Qatar Airways
Apr 8
PDX7:40 amPortland
36h 25m
2 stops
KTM8:50 amKathmandu Tribhuvan
Apr 22
KTM10:55 amKathmandu Tribhuvan
42h 34m
2 stops
PDX4:44 pmPortland
$1,019
Find similar
Qatar Airways
Jan 24
PDX1:38 pmPortland
37h 02m
2 stops
KTM4:25 pmKathmandu Tribhuvan
Feb 25
KTM5:40 pmKathmandu Tribhuvan
36h 48m
2 stops
PDX4:43 pmPortland
$1,050
Find similar

Cathay Pacific flights from Portland to Kathmandu

Our best Cathay Pacific deals on Portland to Kathmandu flight tickets
Cathay Pacific
Mar 12
PDX5:39 pmPortland
39h 06m
2 stops
KTM9:30 pmKathmandu Tribhuvan
Mar 16
KTM10:55 pmKathmandu Tribhuvan
30h 31m
2 stops
PDX4:41 pmPortland
$1,228
Find similar
Cathay Pacific
Mar 12
PDX5:39 pmPortland
39h 06m
2 stops
KTM9:30 pmKathmandu Tribhuvan
Mar 16
KTM10:55 pmKathmandu Tribhuvan
30h 31m
2 stops
PDX4:41 pmPortland
$1,229
Find similar
Cathay Pacific
Jan 2
PDX2:47 pmPortland
64h 58m
2 stops
KTM9:30 pmKathmandu Tribhuvan
Jan 9
KTM10:55 pmKathmandu Tribhuvan
35h 38m
2 stops
PDX8:48 pmPortland
$1,312
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 December 4, 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 1/26

1:38 pm-7:55 am

2 stops28h 32m

Kathmandu Tribhuvan

Fri 2/6

7:05 pm-6:56 pm

2 stops37h 36m

$1,009

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Wed 4/8

7:40 am-8:50 am

2 stops36h 25m

Kathmandu Tribhuvan

Wed 4/22

10:55 am-4:44 pm

2 stops42h 34m

$1,019

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Sat 1/24

1:38 pm-4:25 pm

2 stops37h 02m

Kathmandu Tribhuvan

Wed 2/25

5:40 pm-4:43 pm

2 stops36h 48m

$1,050

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Sun 4/12

1:45 pm-7:55 am

2 stops29h 25m

Kathmandu Tribhuvan

Sat 4/25

6:00 pm-8:43 pm

2 stops39h 28m

$1,053

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Mon 4/6

1:45 pm-9:45 pm

2 stops43h 15m

Kathmandu Tribhuvan

Fri 4/17

11:00 pm-4:49 pm

2 stops30h 34m

$1,092

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Sat 1/17

1:38 pm-4:25 pm

2 stops37h 02m

Kathmandu Tribhuvan

Sat 1/24

5:40 pm-8:47 pm

2 stops40h 52m

$1,104

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Thu 4/9

1:45 pm-8:50 am

2 stops30h 20m

Kathmandu Tribhuvan

Tue 4/28

6:00 pm-10:21 pm

2 stops41h 06m

$1,115

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Mon 1/5

6:20 am-4:25 pm

2 stops44h 20m

Kathmandu Tribhuvan

Wed 1/28

5:40 pm-8:47 pm

2 stops40h 52m

$1,173

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Wed 12/31

6:20 am-7:55 am

2 stops35h 50m

Kathmandu Tribhuvan

Wed 1/21

7:05 pm-10:38 pm

2 stops41h 18m

$1,174

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Fri 1/2

6:20 am-7:55 am

2 stops35h 50m

Kathmandu Tribhuvan

Wed 1/28

5:40 pm-8:47 pm

2 stops40h 52m

$1,183

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 typical price of a round-trip flight between Portland and Kathmandu?

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 34m

Direct flights

None
The fastest flight from Portland to Kathmandu takes 28h 34m
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 55m.

  • 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 $1,092Free CancellationRating
8.1
1,411 reviews
Search Singapore Airlines flights
Cathay PacificPriceFrom $1,128Free CancellationRating
7.6
1,082 reviews
Search Cathay Pacific flights
Qatar AirwaysPriceFrom $1,161Free CancellationRating
7.4
3,678 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.

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