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Cheap flights from Portland to Kathmandu from $510

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 4/2. 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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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.
Qatar Airways Logo
1:52 pm - 7:55 am
PDX
-
KTM
29h 18m2 stops
Qatar Airways Logo
6:00 pm - 11:03 pm
KTM
-
PDX
41h 48m2 stops
$1,084Qatar Airways
jue., may. 7 - sáb., may. 16
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
mié., abr. 1 - mar., abr. 28
Qatar Airways Logo
7:05 am - 5:50 pm
PDX
-
KTM
46h 00m2 stops
Qatar Airways Logo
6:00 pm - 11:03 pm
KTM
-
PDX
41h 48m2 stops
$1,125Qatar Airways
mié., mar. 11 - mié., may. 13
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
lun., ene. 26 - lun., feb. 9
Qatar Airways Logo
1:38 pm - 5:50 pm
PDX
-
KTM
38h 27m2 stops
Qatar Airways Logo
5:40 pm - 8:33 pm
KTM
-
PDX
40h 38m2 stops
$1,165Qatar Airways
mié., ene. 21 - jue., feb. 19
Qatar Airways Logo
9:30 pm - 5:50 pm
PDX
-
KTM
54h 35m2 stops
Qatar Airways Logo
5:40 pm - 8:33 pm
KTM
-
PDX
40h 38m2 stops
$1,171Qatar Airways
mar., ene. 20 - jue., 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
mié., abr. 1 - mar., abr. 28
Multiple Airlines Logo
2:57 pm - 9:30 pm
PDX
-
KTM
40h 48m2 stops
Multiple Airlines Logo
10:55 pm - 1:41 pm
KTM
-
PDX
28h 31m2 stops
$1,204Multiple Airlines
jue., ene. 22 - lun., feb. 9
Qatar Airways Logo
5:50 pm - 5:50 pm
PDX
-
KTM
58h 15m2 stops
Qatar Airways Logo
9:10 am - 8:33 pm
KTM
-
PDX
49h 08m2 stops
$1,218Qatar Airways
mar., ene. 20 - jue., feb. 19
Qatar Airways Logo
7:05 am - 7:55 am
PDX
-
KTM
35h 05m2 stops
Qatar Airways Logo
6:00 pm - 9:38 pm
KTM
-
PDX
40h 23m2 stops
$1,221Qatar Airways
mar., feb. 17 - mié., abr. 15

Cathay Pacific flights from Portland to Kathmandu

Our best Cathay Pacific deals on Portland to Kathmandu flight tickets
Cathay Pacific
Jan 14
PDX4:51 pmPortland
38h 54m
2 stops
KTM9:30 pmKathmandu Tribhuvan
Feb 12
KTM10:55 pmKathmandu Tribhuvan
59h 24m
2 stops
PDX8:34 pmPortland
$1,344
Find similar
Cathay Pacific
Mar 16
PDX5:50 pmPortland
38h 55m
2 stops
KTM9:30 pmKathmandu Tribhuvan
Apr 8
KTM11:00 pmKathmandu Tribhuvan
54h 15m
2 stops
PDX4:30 pmPortland
$1,386
Find similar
Cathay Pacific
Feb 19
PDX6:25 amPortland
49h 20m
2 stops
KTM9:30 pmKathmandu Tribhuvan
Feb 26
KTM10:55 pmKathmandu Tribhuvan
31h 40m
2 stops
PDX4:50 pmPortland
$1,400
Find similar

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
41h 48m
2 stops
PDX11:03 pmPortland
$1,084
Find similar
Qatar Airways
Apr 1
PDX1:35 pmPortland
38h 25m
2 stops
KTM4:45 pmKathmandu Tribhuvan
Apr 28
KTM6:00 pmKathmandu Tribhuvan
40h 20m
2 stops
PDX9:35 pmPortland
$1,120
Find similar
Qatar Airways
Mar 11
PDX7:05 amPortland
46h 00m
2 stops
KTM5:50 pmKathmandu Tribhuvan
May 13
KTM6:00 pmKathmandu Tribhuvan
41h 48m
2 stops
PDX11:03 pmPortland
$1,125
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 enero 6, 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

jue. 5/7

1:52 pm-7:55 am

2 stops29h 18m

Kathmandu Tribhuvan

sáb. 5/16

6:00 pm-11:03 pm

2 stops41h 48m

$1,084

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

mié. 4/1

1:35 pm-4:45 pm

2 stops38h 25m

Kathmandu Tribhuvan

mar. 4/28

6:00 pm-9:35 pm

2 stops40h 20m

$1,120

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

mié. 3/11

7:05 am-5:50 pm

2 stops46h 00m

Kathmandu Tribhuvan

mié. 5/13

6:00 pm-11:03 pm

2 stops41h 48m

$1,125

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

lun. 1/26

2:57 pm-9:30 pm

2 stops40h 48m

Kathmandu Tribhuvan

lun. 2/9

10:55 pm-4:49 pm

2 stops31h 39m

$1,152

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

mié. 1/21

1:38 pm-5:50 pm

2 stops38h 27m

Kathmandu Tribhuvan

jue. 2/19

5:40 pm-8:33 pm

2 stops40h 38m

$1,165

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

mar. 1/20

9:30 pm-5:50 pm

2 stops54h 35m

Kathmandu Tribhuvan

jue. 2/19

5:40 pm-8:33 pm

2 stops40h 38m

$1,171

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

mié. 4/1

1:35 pm-9:45 pm

2 stops43h 25m

Kathmandu Tribhuvan

mar. 4/28

10:50 pm-8:35 pm

3 stops34h 30m

$1,179

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

jue. 1/22

2:57 pm-9:30 pm

2 stops40h 48m

Kathmandu Tribhuvan

lun. 2/9

10:55 pm-1:41 pm

2 stops28h 31m

$1,204

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

mar. 1/20

5:50 pm-5:50 pm

2 stops58h 15m

Kathmandu Tribhuvan

jue. 2/19

9:10 am-8:33 pm

2 stops49h 08m

$1,218

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

mar. 2/17

7:05 am-7:55 am

2 stops35h 05m

Kathmandu Tribhuvan

mié. 4/15

6:00 pm-9:38 pm

2 stops40h 23m

$1,221

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 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

29h 18m

Direct flights

None
The fastest flight from Portland to Kathmandu takes 29h 18m
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 29h 18m.

  • 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
1,427 reviews
Search Singapore Airlines flights
Cathay PacificPriceFrom $1,131Free CancellationRating
7.6
1,121 reviews
Search Cathay Pacific flights
Qatar AirwaysPriceFrom $1,206Free CancellationRating
7.4
3,697 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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Qatar Airways
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Cathay Pacific