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Cheap flights from Portland to Kathmandu from $524

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 11/16. 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

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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.
Multiple Airlines Logo
10:35 am - 9:50 pmPDX-KTM
45h 30m2 stops
Multiple Airlines Logo
11:00 pm - 1:19 pmKTM-PDX
27h 04m2 stops
$1,138Multiple Airlines
Find Deal
Sun, Mar 1 - Sun, Mar 15
Multiple Airlines Logo
5:45 pm - 4:10 pmPDX-KTM
32h 40m2 stops
Multiple Airlines Logo
5:10 pm - 3:55 pmKTM-PDX
36h 30m2 stops
$1,141Multiple Airlines
Find Deal
Sun, Jan 4 - Sun, Feb 8
Multiple Airlines Logo
7:24 am - 11:10 amPDX-KTM
38h 01m2 stops
Multiple Airlines Logo
12:35 pm - 8:23 pmKTM-PDX
45h 33m2 stops
$1,158Multiple Airlines
Find Deal
Sun, Jan 11 - Thu, Feb 12
Multiple Airlines Logo
7:20 am - 11:10 amPDX-KTM
38h 05m2 stops
Multiple Airlines Logo
12:35 pm - 8:23 pmKTM-PDX
45h 33m2 stops
$1,164Multiple Airlines
Find Deal
Tue, Jan 13 - Thu, Feb 12
Cathay Pacific Logo
6:22 pm - 9:30 pmPDX-KTM
61h 23m2 stops
Cathay Pacific Logo
10:55 pm - 2:48 pmKTM-PDX
29h 38m2 stops
$1,179Cathay Pacific
Find Deal
Sun, Jan 11 - Tue, Feb 10
Cathay Pacific Logo
5:48 pm - 9:30 pmPDX-KTM
61h 57m2 stops
Cathay Pacific Logo
10:55 pm - 2:48 pmKTM-PDX
53h 38m2 stops
$1,206Cathay Pacific
Find Deal
Sun, Jan 4 - Sun, Feb 8
Qatar Airways Logo
6:00 am - 5:50 pmPDX-KTM
47h 05m2 stops
Qatar Airways Logo
10:05 am - 8:54 pmKTM-PDX
47h 34m2 stops
$1,303Qatar Airways
Find Deal
Wed, Mar 18 - Tue, Apr 7
Qatar Airways Logo
6:00 am - 5:50 pmPDX-KTM
47h 05m2 stops
Qatar Airways Logo
10:05 am - 8:38 pmKTM-PDX
47h 18m2 stops
$1,352Qatar Airways
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Wed, Mar 18 - Mon, Apr 6
Singapore Airlines Logo
7:30 am - 9:40 pmPDX-KTM
49h 25m3 stops
Singapore Airlines Logo
11:00 pm - 4:28 pmKTM-PDX
30h 13m2 stops
$1,454Singapore Airlines
Find Deal
Mon, Mar 16 - Wed, Apr 8
Singapore Airlines Logo
7:30 am - 9:40 pmPDX-KTM
49h 25m3 stops
Singapore Airlines Logo
11:00 pm - 4:28 pmKTM-PDX
30h 13m2 stops
$1,511Singapore Airlines
Find Deal
Mon, Mar 16 - Fri, Apr 10

Cathay Pacific flights from Portland to Kathmandu

Our best Cathay Pacific deals on Portland to Kathmandu flight tickets
Cathay Pacific
Jan 11
PDX6:22 pmPortland
61h 23m
2 stops
KTM9:30 pmKathmandu Tribhuvan
Feb 10
KTM10:55 pmKathmandu Tribhuvan
29h 38m
2 stops
PDX2:48 pmPortland
$1,179
Find similar
Cathay Pacific
Jan 4
PDX5:48 pmPortland
61h 57m
2 stops
KTM9:30 pmKathmandu Tribhuvan
Feb 8
KTM10:55 pmKathmandu Tribhuvan
53h 38m
2 stops
PDX2:48 pmPortland
$1,206
Find similar
Cathay Pacific
Mar 16
PDX5:30 pmPortland
39h 15m
2 stops
KTM9:30 pmKathmandu Tribhuvan
Apr 7
KTM11:00 pmKathmandu Tribhuvan
58h 10m
2 stops
PDX8:25 pmPortland
$1,237
Find similar

Qatar Airways flights from Portland to Kathmandu

Our best Qatar Airways deals on Portland to Kathmandu flight tickets
Qatar Airways
Nov 10
PDX9:30 pmPortland
46h 30m
2 stops
KTM9:45 amKathmandu Tribhuvan
Nov 17
KTM11:00 amKathmandu Tribhuvan
47h 35m
2 stops
PDX8:50 pmPortland
$1,267
Find similar
Qatar Airways
Mar 18
PDX6:00 amPortland
47h 05m
2 stops
KTM5:50 pmKathmandu Tribhuvan
Apr 7
KTM10:05 amKathmandu Tribhuvan
47h 34m
2 stops
PDX8:54 pmPortland
$1,303
Find similar
Qatar Airways
Mar 18
PDX6:00 amPortland
47h 05m
2 stops
KTM5:50 pmKathmandu Tribhuvan
Apr 6
KTM10:05 amKathmandu Tribhuvan
47h 18m
2 stops
PDX8:38 pmPortland
$1,352
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 3, 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

Sun 3/1

10:35 am-9:50 pm

2 stops45h 30m

Kathmandu Tribhuvan

Sun 3/15

11:00 pm-1:19 pm

2 stops27h 04m

$1,138

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Sun 1/4

5:45 pm-4:10 pm

2 stops32h 40m

Kathmandu Tribhuvan

Sun 2/8

5:10 pm-3:55 pm

2 stops36h 30m

$1,141

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Sun 1/11

7:24 am-11:10 am

2 stops38h 01m

Kathmandu Tribhuvan

Thu 2/12

12:35 pm-8:23 pm

2 stops45h 33m

$1,158

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Tue 1/13

7:20 am-11:10 am

2 stops38h 05m

Kathmandu Tribhuvan

Thu 2/12

12:35 pm-8:23 pm

2 stops45h 33m

$1,164

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Sun 1/11

6:22 pm-9:30 pm

2 stops61h 23m

Kathmandu Tribhuvan

Tue 2/10

10:55 pm-2:48 pm

2 stops29h 38m

$1,179

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Sun 1/4

5:48 pm-9:30 pm

2 stops61h 57m

Kathmandu Tribhuvan

Sun 2/8

10:55 pm-2:48 pm

2 stops53h 38m

$1,206

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Wed 3/18

6:00 am-5:50 pm

2 stops47h 05m

Kathmandu Tribhuvan

Tue 4/7

10:05 am-8:54 pm

2 stops47h 34m

$1,303

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Wed 3/18

6:00 am-5:50 pm

2 stops47h 05m

Kathmandu Tribhuvan

Mon 4/6

10:05 am-8:38 pm

2 stops47h 18m

$1,352

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Mon 3/16

7:30 am-9:40 pm

3 stops49h 25m

Kathmandu Tribhuvan

Wed 4/8

11:00 pm-4:28 pm

2 stops30h 13m

$1,454

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Mon 3/16

7:30 am-9:40 pm

3 stops49h 25m

Kathmandu Tribhuvan

Fri 4/10

11:00 pm-4:28 pm

2 stops30h 13m

$1,511

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 May is another great option to travel to Kathmandu, with average flight prices from Portland averaging around $1,239.

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 $1,446 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

Direct flights

None
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 $1,059Free CancellationRating
8.1
1,391 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom $1,100Free CancellationRating
7.4
3,660 reviews
Search Qatar Airways flights
Cathay PacificPriceFrom $1,128Free CancellationRating
7.6
1,050 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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Airlines are sorted and displayed according to clicks in the past 7 days on momondo
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Turkish Airlines
Lufthansa
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