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Cheap flights from Portland to Kathmandu from $485

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 3/7. 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
1:35 pm - 4:45 pm
PDX
-
KTM
38h 25m2 stops
Qatar Airways Logo
10:55 am - 10:31 pm
KTM
-
PDX
48h 21m2 stops
$1,086Qatar Airways
Mon, Apr 20 - Thu, May 7
Qatar Airways Logo
1:35 pm - 4:45 pm
PDX
-
KTM
38h 25m2 stops
Qatar Airways Logo
6:00 pm - 10:31 pm
KTM
-
PDX
41h 16m2 stops
$1,119Qatar Airways
Mon, Apr 6 - Thu, Apr 23
Qatar Airways Logo
1:35 pm - 7:55 am
PDX
-
KTM
29h 35m2 stops
Qatar Airways Logo
6:00 pm - 9:24 pm
KTM
-
PDX
40h 09m2 stops
$1,120Qatar Airways
Sun, Apr 12 - Sat, May 23
Qatar Airways Logo
9:30 pm - 4:25 pm
PDX
-
KTM
53h 10m2 stops
Qatar Airways Logo
7:05 pm - 8:33 pm
KTM
-
PDX
39h 13m2 stops
$1,132Qatar Airways
Sun, Jan 18 - Thu, Feb 19
Qatar Airways Logo
9:30 pm - 4:25 pm
PDX
-
KTM
53h 10m2 stops
Qatar Airways Logo
9:10 am - 4:50 pm
KTM
-
PDX
45h 25m2 stops
$1,161Qatar Airways
Sun, Jan 18 - Thu, Feb 19
Qatar Airways Logo
1:35 pm - 4:45 pm
PDX
-
KTM
38h 25m2 stops
Qatar Airways Logo
6:00 pm - 10:30 pm
KTM
-
PDX
41h 15m2 stops
$1,167Qatar Airways
Mon, Apr 13 - Sun, May 24
Qatar Airways Logo
9:10 am - 7:55 am
PDX
-
KTM
33h 00m2 stops
Qatar Airways Logo
7:05 pm - 8:33 pm
KTM
-
PDX
39h 13m2 stops
$1,191Qatar Airways
Tue, Jan 20 - Thu, Feb 19
Qatar Airways Logo
1:35 pm - 4:45 pm
PDX
-
KTM
38h 25m2 stops
Qatar Airways Logo
6:00 pm - 10:30 pm
KTM
-
PDX
41h 15m2 stops
$1,209Qatar Airways
Sun, Apr 12 - Sun, May 24
Multiple Airlines Logo
2:30 pm - 9:30 pm
PDX
-
KTM
41h 15m2 stops
Multiple Airlines Logo
10:55 pm - 11:42 pm
KTM
-
PDX
37h 32m2 stops
$1,215Multiple Airlines
Tue, Mar 3 - Thu, Mar 12
Multiple Airlines Logo
5:51 pm - 9:30 pm
PDX
-
KTM
37h 54m2 stops
Multiple Airlines Logo
10:55 pm - 4:41 pm
KTM
-
PDX
31h 31m2 stops
$1,229Multiple Airlines
Thu, Jan 15 - Tue, Feb 17

Qatar Airways flights from Portland to Kathmandu

Our best Qatar Airways deals on Portland to Kathmandu flight tickets
Qatar Airways
Apr 20
PDX1:35 pmPortland
38h 25m
2 stops
KTM4:45 pmKathmandu Tribhuvan
May 7
KTM10:55 amKathmandu Tribhuvan
48h 21m
2 stops
PDX10:31 pmPortland
$1,086
Find similar
Qatar Airways
Apr 6
PDX1:35 pmPortland
38h 25m
2 stops
KTM4:45 pmKathmandu Tribhuvan
Apr 23
KTM6:00 pmKathmandu Tribhuvan
41h 16m
2 stops
PDX10:31 pmPortland
$1,119
Find similar
Qatar Airways
Apr 12
PDX1:35 pmPortland
29h 35m
2 stops
KTM7:55 amKathmandu Tribhuvan
May 23
KTM6:00 pmKathmandu Tribhuvan
40h 09m
2 stops
PDX9:24 pmPortland
$1,120
Find similar

Cathay Pacific flights from Portland to Kathmandu

Our best Cathay Pacific deals on Portland to Kathmandu flight tickets
Cathay Pacific
Apr 13
PDX5:49 pmPortland
39h 11m
2 stops
KTM9:45 pmKathmandu Tribhuvan
May 23
KTM11:00 pmKathmandu Tribhuvan
37h 29m
2 stops
PDX11:44 pmPortland
$1,251
Find similar
Cathay Pacific
Apr 12
PDX5:45 pmPortland
39h 15m
2 stops
KTM9:45 pmKathmandu Tribhuvan
May 22
KTM11:00 pmKathmandu Tribhuvan
54h 35m
2 stops
PDX4:50 pmPortland
$1,258
Find similar
Cathay Pacific
Apr 30
PDX5:51 pmPortland
39h 09m
2 stops
KTM9:45 pmKathmandu Tribhuvan
May 4
KTM11:00 pmKathmandu Tribhuvan
34h 20m
2 stops
PDX8:35 pmPortland
$1,279
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 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 4/20

1:35 pm-4:45 pm

2 stops38h 25m

Kathmandu Tribhuvan

Thu 5/7

10:55 am-10:31 pm

2 stops48h 21m

$1,086

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Mon 4/6

1:35 pm-4:45 pm

2 stops38h 25m

Kathmandu Tribhuvan

Thu 4/23

6:00 pm-10:31 pm

2 stops41h 16m

$1,119

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Sun 4/12

1:35 pm-7:55 am

2 stops29h 35m

Kathmandu Tribhuvan

Sat 5/23

6:00 pm-9:24 pm

2 stops40h 09m

$1,120

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Sun 1/18

9:30 pm-4:25 pm

2 stops53h 10m

Kathmandu Tribhuvan

Thu 2/19

7:05 pm-8:33 pm

2 stops39h 13m

$1,132

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Sun 1/18

9:30 pm-4:25 pm

2 stops53h 10m

Kathmandu Tribhuvan

Thu 2/19

9:10 am-4:50 pm

2 stops45h 25m

$1,161

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Mon 4/13

1:35 pm-4:45 pm

2 stops38h 25m

Kathmandu Tribhuvan

Sun 5/24

6:00 pm-10:30 pm

2 stops41h 15m

$1,167

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Tue 1/20

9:10 am-7:55 am

2 stops33h 00m

Kathmandu Tribhuvan

Thu 2/19

7:05 pm-8:33 pm

2 stops39h 13m

$1,191

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Sun 4/12

1:35 pm-4:45 pm

2 stops38h 25m

Kathmandu Tribhuvan

Sun 5/24

6:00 pm-10:30 pm

2 stops41h 15m

$1,209

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Tue 3/3

2:30 pm-9:30 pm

2 stops41h 15m

Kathmandu Tribhuvan

Thu 3/12

10:55 pm-11:42 pm

2 stops37h 32m

$1,215

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Thu 1/15

5:51 pm-9:30 pm

2 stops37h 54m

Kathmandu Tribhuvan

Tue 2/17

10:55 pm-4:41 pm

2 stops31h 31m

$1,229

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 $1,507 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 $1,109 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

27h 00m

Direct flights

None
The fastest flight from Portland to Kathmandu takes 27h 00m
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 27h 00m.

  • 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
1,421 reviews
Search Singapore Airlines flights
Cathay PacificPriceFrom $1,128Free CancellationRating
7.6
1,105 reviews
Search Cathay Pacific flights
Qatar AirwaysPriceFrom $1,192Free CancellationRating
7.4
3,692 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

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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