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Cheap flights from Portland to Kathmandu from $686

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 5/14. 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
9:29 pm - 9:30 pm
PDX
-
KTM
35h 16m
2 stops
Multiple Airlines Logo
10:50 pm - 4:50 pm
KTM
-
PDX
30h 45m
2 stops
$1,197Multiple Airlines
Wed, Aug 19 - Thu, Sep 10
Multiple Airlines Logo
5:37 pm - 9:30 pm
PDX
-
KTM
39h 08m
2 stops
Multiple Airlines Logo
10:50 pm - 8:50 pm
KTM
-
PDX
34h 45m
2 stops
$1,206Multiple Airlines
Wed, Aug 12 - Mon, Aug 31
Multiple Airlines Logo
11:57 am - 9:50 am
PDX
-
KTM
33h 08m
2 stops
Multiple Airlines Logo
9:35 am - 2:55 pm
KTM
-
PDX
43h 05m
2 stops
$1,208Multiple Airlines
Thu, Oct 15 - Mon, Nov 16
Qatar Airways Logo
12:02 pm - 8:50 am
PDX
-
KTM
32h 03m
2 stops
Qatar Airways Logo
6:45 pm - 10:44 pm
KTM
-
PDX
40h 44m
2 stops
$1,225Qatar Airways
Tue, Sep 8 - Fri, Oct 2
Multiple Airlines Logo
10:45 am - 4:45 pm
PDX
-
KTM
41h 15m
2 stops
Multiple Airlines Logo
9:35 am - 3:55 pm
KTM
-
PDX
43h 05m
2 stops
$1,226Multiple Airlines
Fri, Sep 11 - Sat, Oct 31
Qatar Airways Logo
11:55 am - 4:45 pm
PDX
-
KTM
40h 05m
2 stops
Qatar Airways Logo
6:45 pm - 4:50 pm
KTM
-
PDX
34h 50m
2 stops
$1,227Qatar Airways
Sun, Sep 6 - Wed, Sep 30
Qatar Airways Logo
5:00 am - 8:50 am
PDX
-
KTM
39h 05m
2 stops
Qatar Airways Logo
10:05 am - 11:59 pm
KTM
-
PDX
50h 39m
2 stops
$1,228Qatar Airways
Fri, Jul 10 - Mon, Aug 10
Multiple Airlines Logo
1:30 pm - 4:45 pm
PDX
-
KTM
38h 30m
2 stops
Multiple Airlines Logo
9:35 am - 2:55 pm
KTM
-
PDX
43h 05m
2 stops
$1,230Multiple Airlines
Wed, Oct 14 - Sun, Nov 15
Multiple Airlines Logo
9:45 pm - 6:35 am
PDX
-
KTM
44h 05m
3 stops
Multiple Airlines Logo
10:05 am - 8:37 pm
KTM
-
PDX
47h 17m
2 stops
$1,235Multiple Airlines
Mon, Aug 17 - Wed, Sep 9
Multiple Airlines Logo
12:03 pm - 8:50 am
PDX
-
KTM
32h 02m
2 stops
Multiple Airlines Logo
6:00 pm - 4:55 pm
KTM
-
PDX
35h 40m
2 stops
$1,238Multiple Airlines
Fri, Jul 10 - Tue, Aug 11

Qatar Airways flights from Portland to Kathmandu

Our best Qatar Airways deals on Portland to Kathmandu flight tickets
Qatar Airways
Sep 8
PDX12:02 pmPortland
32h 03m
2 stops
KTM8:50 amKathmandu Tribhuvan
Oct 2
KTM6:45 pmKathmandu Tribhuvan
40h 44m
2 stops
PDX10:44 pmPortland
$1,225
Qatar Airways
Sep 6
PDX11:55 amPortland
40h 05m
2 stops
KTM4:45 pmKathmandu Tribhuvan
Sep 30
KTM6:45 pmKathmandu Tribhuvan
34h 50m
2 stops
PDX4:50 pmPortland
$1,227
Qatar Airways
Jul 10
PDX5:00 amPortland
39h 05m
2 stops
KTM8:50 amKathmandu Tribhuvan
Aug 10
KTM10:05 amKathmandu Tribhuvan
50h 39m
2 stops
PDX11:59 pmPortland
$1,228

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 April 18, 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

Cheapest round-trip
Quickest round-trip

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Wed 8/19

9:29 pm-9:30 pm

2 stops35h 16m

Kathmandu Tribhuvan

Thu 9/10

10:50 pm-4:50 pm

2 stops30h 45m

$1,197

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Wed 8/12

5:37 pm-9:30 pm

2 stops39h 08m

Kathmandu Tribhuvan

Mon 8/31

10:50 pm-8:50 pm

2 stops34h 45m

$1,206

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Thu 10/15

11:57 am-9:50 am

2 stops33h 08m

Kathmandu Tribhuvan

Mon 11/16

9:35 am-2:55 pm

2 stops43h 05m

$1,208

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Tue 9/8

12:02 pm-8:50 am

2 stops32h 03m

Kathmandu Tribhuvan

Fri 10/2

6:45 pm-10:44 pm

2 stops40h 44m

$1,225

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Fri 9/11

10:45 am-4:45 pm

2 stops41h 15m

Kathmandu Tribhuvan

Sat 10/31

9:35 am-3:55 pm

2 stops43h 05m

$1,226

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Sun 9/6

11:55 am-4:45 pm

2 stops40h 05m

Kathmandu Tribhuvan

Wed 9/30

6:45 pm-4:50 pm

2 stops34h 50m

$1,227

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Fri 7/10

5:00 am-8:50 am

2 stops39h 05m

Kathmandu Tribhuvan

Mon 8/10

10:05 am-11:59 pm

2 stops50h 39m

$1,228

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Wed 10/14

1:30 pm-4:45 pm

2 stops38h 30m

Kathmandu Tribhuvan

Sun 11/15

9:35 am-2:55 pm

2 stops43h 05m

$1,230

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Mon 8/17

9:45 pm-6:35 am

3 stops44h 05m

Kathmandu Tribhuvan

Wed 9/9

10:05 am-8:37 pm

2 stops47h 17m

$1,235

PortlandKathmandu

PDX - KTM

PDXKTM

Portland

Fri 7/10

12:03 pm-8:50 am

2 stops32h 02m

Kathmandu Tribhuvan

Tue 8/11

6:00 pm-4:55 pm

2 stops35h 40m

$1,238

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 January is another great option to travel to Kathmandu, with average flight prices from Portland averaging around $1,234.

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 $1,503 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

30h 20m

Direct flights

None
The fastest flight from Portland to Kathmandu takes 30h 20m
There are no direct flights from Portland to Kathmandu. There are no popular flight routes from Portland to Kathmandu.
Search flight deals

Frequently asked questions about flying from Portland to Kathmandu

  • 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 30h 20m.

  • 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
8.2
1,497 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom $1,161Free CancellationRating
7.4
3,730 reviews
Search Qatar Airways flights
Cathay PacificPriceFrom $1,225Free CancellationRating
7.6
1,280 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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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