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Cheap flights from Portland to Kathmandu from $511

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 3/17. 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
6:01 am - 7:55 am
PDX
-
KTM
36h 09m
2 stops
Qatar Airways Logo
5:40 pm - 9:58 pm
KTM
-
PDX
42h 03m
2 stops
$1,176Qatar Airways
월, 1월 26 - 수, 2월 25
Multiple Airlines Logo
1:35 pm - 9:30 pm
PDX
-
KTM
43h 10m
2 stops
Multiple Airlines Logo
10:50 pm - 8:35 pm
KTM
-
PDX
34h 30m
3 stops
$1,179Multiple Airlines
수, 4월 1 - 화, 4월 28
Multiple Airlines Logo
5:49 pm - 9:30 pm
PDX
-
KTM
38h 56m
2 stops
Multiple Airlines Logo
10:50 pm - 8:50 pm
KTM
-
PDX
34h 45m
3 stops
$1,194Multiple Airlines
화, 5월 5 - 일, 5월 17
Qatar Airways Logo
9:30 pm - 5:50 pm
PDX
-
KTM
54h 35m
2 stops
Qatar Airways Logo
5:40 pm - 3:48 pm
KTM
-
PDX
35h 53m
2 stops
$1,196Qatar Airways
일, 2월 1 - 일, 3월 1
Qatar Airways Logo
9:30 pm - 5:50 pm
PDX
-
KTM
54h 35m
2 stops
Qatar Airways Logo
7:05 pm - 8:33 pm
KTM
-
PDX
39h 13m
2 stops
$1,225Qatar Airways
일, 2월 1 - 월, 3월 2
Multiple Airlines Logo
9:30 pm - 5:50 pm
PDX
-
KTM
54h 35m
2 stops
Multiple Airlines Logo
5:40 pm - 7:15 pm
KTM
-
PDX
39h 20m
2 stops
$1,228Multiple Airlines
일, 2월 1 - 월, 3월 2
Qatar Airways Logo
8:30 am - 7:55 am
PDX
-
KTM
33h 40m
2 stops
Qatar Airways Logo
5:40 pm - 2:48 pm
KTM
-
PDX
34h 53m
2 stops
$1,238Qatar Airways
토, 2월 28 - 토, 3월 7
Qatar Airways Logo
10:52 am - 7:55 am
PDX
-
KTM
31h 18m
2 stops
Qatar Airways Logo
9:10 am - 11:44 pm
KTM
-
PDX
52h 19m
2 stops
$1,247Qatar Airways
화, 1월 27 - 화, 2월 24
Qatar Airways Logo
10:52 am - 7:55 am
PDX
-
KTM
31h 18m
2 stops
Qatar Airways Logo
7:05 pm - 9:58 pm
KTM
-
PDX
40h 38m
2 stops
$1,253Qatar Airways
화, 1월 27 - 수, 2월 25
Qatar Airways Logo
9:00 am - 7:55 am
PDX
-
KTM
34h 10m
2 stops
Qatar Airways Logo
6:15 pm - 9:38 pm
KTM
-
PDX
40h 08m
2 stops
$1,289Qatar Airways
일, 4월 12 - 토, 4월 18

Qatar Airways flights from Portland to Kathmandu

Our best Qatar Airways deals on Portland to Kathmandu flight tickets
Qatar Airways
Jan 26
PDX6:01 amPortland
36h 09m
2 stops
KTM7:55 amKathmandu Tribhuvan
Feb 25
KTM5:40 pmKathmandu Tribhuvan
42h 03m
2 stops
PDX9:58 pmPortland
$1,176
Qatar Airways
Feb 1
PDX9:30 pmPortland
54h 35m
2 stops
KTM5:50 pmKathmandu Tribhuvan
Mar 1
KTM5:40 pmKathmandu Tribhuvan
35h 53m
2 stops
PDX3:48 pmPortland
$1,196
Qatar Airways
Jan 22
PDX9:30 pmPortland
53h 10m
2 stops
KTM4:25 pmKathmandu Tribhuvan
Feb 21
KTM9:10 amKathmandu Tribhuvan
45h 18m
2 stops
PDX4:43 pmPortland
$1,198

Cathay Pacific flights from Portland to Kathmandu

Our best Cathay Pacific deals on Portland to Kathmandu flight tickets
Cathay Pacific
Feb 8
PDX5:50 pmPortland
61h 55m
2 stops
KTM9:30 pmKathmandu Tribhuvan
Mar 26
KTM10:55 pmKathmandu Tribhuvan
37h 48m
2 stops
PDX11:58 pmPortland
$1,461
Cathay Pacific
Feb 8
PDX5:50 pmPortland
61h 55m
2 stops
KTM9:30 pmKathmandu Tribhuvan
Mar 25
KTM10:55 pmKathmandu Tribhuvan
61h 48m
2 stops
PDX11:58 pmPortland
$1,469
Cathay Pacific
Feb 8
PDX5:50 pmPortland
61h 55m
2 stops
KTM9:30 pmKathmandu Tribhuvan
Mar 31
KTM11:00 pmKathmandu Tribhuvan
54h 15m
2 stops
PDX4:30 pmPortland
$1,498

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 1월 16, 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

월 1/26

6:01 am-7:55 am

2 stops36h 09m

Kathmandu Tribhuvan

수 2/25

5:40 pm-9:58 pm

2 stops42h 03m

$1,176

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

수 4/1

1:35 pm-9:30 pm

2 stops43h 10m

Kathmandu Tribhuvan

화 4/28

10:50 pm-8:35 pm

3 stops34h 30m

$1,179

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

화 5/5

5:49 pm-9:30 pm

2 stops38h 56m

Kathmandu Tribhuvan

일 5/17

10:50 pm-8:50 pm

3 stops34h 45m

$1,194

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

일 2/1

9:30 pm-5:50 pm

2 stops54h 35m

Kathmandu Tribhuvan

일 3/1

5:40 pm-3:48 pm

2 stops35h 53m

$1,196

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

일 2/1

9:30 pm-5:50 pm

2 stops54h 35m

Kathmandu Tribhuvan

월 3/2

7:05 pm-8:33 pm

2 stops39h 13m

$1,225

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

일 2/1

9:30 pm-5:50 pm

2 stops54h 35m

Kathmandu Tribhuvan

월 3/2

5:40 pm-7:15 pm

2 stops39h 20m

$1,228

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

토 2/28

8:30 am-7:55 am

2 stops33h 40m

Kathmandu Tribhuvan

토 3/7

5:40 pm-2:48 pm

2 stops34h 53m

$1,238

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

화 1/27

10:52 am-7:55 am

2 stops31h 18m

Kathmandu Tribhuvan

화 2/24

9:10 am-11:44 pm

2 stops52h 19m

$1,247

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

화 1/27

10:52 am-7:55 am

2 stops31h 18m

Kathmandu Tribhuvan

수 2/25

7:05 pm-9:58 pm

2 stops40h 38m

$1,253

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

일 4/12

9:00 am-7:55 am

2 stops34h 10m

Kathmandu Tribhuvan

토 4/18

6:15 pm-9:38 pm

2 stops40h 08m

$1,289

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 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.

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

31h 11m

Direct flights

None
The fastest flight from Portland to Kathmandu takes 31h 11m
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 31h 11m.

  • 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
1,431 reviews
Search Singapore Airlines flights
Cathay PacificPriceFrom $1,138Free CancellationRating
7.6
1,130 reviews
Search Cathay Pacific flights
Qatar AirwaysPriceFrom $1,191Free CancellationRating
7.4
3,715 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