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Cheap flights from Portland, Maine to Kathmandu from $1,459

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Kathmandu departing on 3/23. 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, Maine to Kathmandu

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
12:44 pm - 5:50 pm
PWM
-
KTM
43h 21m
2 stops
Qatar Airways Logo
10:05 am - 11:56 pm
KTM
-
PWM
47h 36m
2 stops
$1,459Qatar Airways
Mon, Mar 23 - Mon, Mar 30
Qatar Airways Logo
6:17 am - 4:45 pm
PWM
-
KTM
48h 43m
2 stops
Qatar Airways Logo
10:05 am - 11:47 pm
KTM
-
PWM
47h 27m
2 stops
$1,667Qatar Airways
Fri, Apr 3 - Tue, Apr 7
Qatar Airways Logo
6:17 am - 4:45 pm
PWM
-
KTM
48h 43m
2 stops
Qatar Airways Logo
10:05 am - 11:27 pm
KTM
-
PWM
47h 07m
2 stops
$2,186Qatar Airways
Fri, Apr 3 - Tue, Apr 7
Qatar Airways Logo
12:29 pm - 7:55 am
PWM
-
KTM
32h 41m
2 stops
Qatar Airways Logo
5:40 pm - 11:37 pm
KTM
-
PWM
39h 42m
2 stops
$2,684Qatar Airways
Thu, Mar 5 - Mon, Mar 9
Multiple Airlines Logo
6:00 pm - 7:55 am
PWM
-
KTM
28h 10m
3 stops
Multiple Airlines Logo
11:00 pm - 11:37 pm
KTM
-
PWM
34h 22m
2 stops
$8,999Multiple Airlines
Mon, Mar 23 - Mon, Mar 30

Qatar Airways flights from Portland, Maine to Kathmandu

Our best Qatar Airways deals on Portland, Maine to Kathmandu flight tickets
Qatar Airways
Mar 23
PWM12:44 pmPortland
43h 21m
2 stops
KTM5:50 pmKathmandu Tribhuvan
Mar 30
KTM10:05 amKathmandu Tribhuvan
47h 36m
2 stops
PWM11:56 pmPortland
$1,459
Qatar Airways
Apr 3
PWM6:17 amPortland
48h 43m
2 stops
KTM4:45 pmKathmandu Tribhuvan
Apr 7
KTM10:05 amKathmandu Tribhuvan
47h 27m
2 stops
PWM11:47 pmPortland
$1,667
Qatar Airways
Mar 4
PWM12:29 pmPortland
42h 36m
2 stops
KTM5:50 pmKathmandu Tribhuvan
Mar 23
KTM9:10 amKathmandu Tribhuvan
36h 49m
2 stops
PWM12:14 pmPortland
$2,016

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine 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 February 23, 2026.
Use the filters below to find and compare flights from Portland, Maine to Kathmandu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandKathmandu

PWM - KTM

PWMKTM

Portland

Mon 3/23

12:44 pm-5:50 pm

2 stops43h 21m

Kathmandu Tribhuvan

Mon 3/30

10:05 am-11:56 pm

2 stops47h 36m

$1,459

PortlandKathmandu

PWM - KTM

PWMKTM

Portland

Fri 4/3

6:17 am-4:45 pm

2 stops48h 43m

Kathmandu Tribhuvan

Tue 4/7

10:05 am-11:47 pm

2 stops47h 27m

$1,667

PortlandKathmandu

PWM - KTM

PWMKTM

Portland

Fri 4/3

6:17 am-4:45 pm

2 stops48h 43m

Kathmandu Tribhuvan

Tue 4/7

10:05 am-11:27 pm

2 stops47h 07m

$2,186

PortlandKathmandu

PWM - KTM

PWMKTM

Portland

Thu 3/5

12:29 pm-7:55 am

2 stops32h 41m

Kathmandu Tribhuvan

Mon 3/9

5:40 pm-11:37 pm

2 stops39h 42m

$2,684

PortlandKathmandu

PWM - KTM

PWMKTM

Portland

Mon 3/23

6:00 pm-7:55 am

3 stops28h 10m

Kathmandu Tribhuvan

Mon 3/30

11:00 pm-11:37 pm

2 stops34h 22m

$8,999

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Kathmandu from

How to get the cheapest flight ticket from Portland, Maine 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 airlines fly to Kathmandu?

Qatar Airways, Emirates and IndiGo are the top three most popular airlines that fly to Kathmandu from Portland, Maine according to our data. Qatar Airways is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Kathmandu. Keep in mind that there are 7 different airlines that fly to Kathmandu on a routine basis, so you have a few additional options to choose from.

When to book flights from Portland, Maine to Kathmandu

Are you open to changing your travel dates? Check out the ideal times to fly from Portland, Maine to Kathmandu according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland, Maine to Kathmandu (PWM to KTM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Kathmandu

Fastest flight time

32h 41m

Direct flights

None
The fastest flight from Portland, Maine to Kathmandu takes 32h 41m
There are no direct flights from Portland, Maine to Kathmandu. There are no popular flight routes from Portland, Maine to Kathmandu.
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  • How far is Portland to Kathmandu Tribhuvan by plane?

    There are 7262.9 mi between Portland and Kathmandu Tribhuvan. 32h 41m is a normal flight duration for this route.

  • 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 refresh daily.

  • How old do you have to be to fly from Portland Airport to Kathmandu Tribhuvan Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Kathmandu Tribhuvan Airport.

  • What documentation or ID do you need to fly to Kathmandu Tribhuvan Airport?

    The necessary travel and health documents for your Kathmandu Tribhuvan Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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. All flights to Kathmandu from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Portland to Kathmandu?

Once you have performed a search for Portland to Kathmandu flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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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Fly your favorite airline to Kathmandu

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Qatar Airways
Emirates
IndiGo
Cathay Pacific
Turkish Airlines
SWISS
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