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Cheap flights from Ontario to Kathmandu from $560

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Kathmandu departing on 3/31. 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 Ontario to Kathmandu

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
12:02 pm - 4:25 pm
ONT
-
KTM
38h 38m
2 stops
Qatar Airways Logo
6:15 pm - 1:18 pm
KTM
-
ONT
31h 48m
2 stops
$1,339Qatar Airways
Wed, Mar 4 - Tue, May 5
Multiple Airlines Logo
4:02 pm - 9:40 pm
ONT
-
KTM
40h 53m
2 stops
Multiple Airlines Logo
10:50 pm - 2:32 pm
KTM
-
ONT
28h 27m
2 stops
$1,370Multiple Airlines
Mon, Mar 16 - Thu, Apr 30
Multiple Airlines Logo
12:10 am - 11:25 pm
ONT
-
KTM
34h 30m
2 stops
Multiple Airlines Logo
9:10 pm - 6:00 pm
KTM
-
ONT
33h 35m
3 stops
$1,387Multiple Airlines
Thu, Apr 23 - Sat, May 2
Multiple Airlines Logo
12:10 am - 11:25 pm
ONT
-
KTM
34h 30m
2 stops
Multiple Airlines Logo
9:10 pm - 6:00 pm
KTM
-
ONT
33h 35m
3 stops
$1,388Multiple Airlines
Thu, Apr 23 - Sun, May 3
Multiple Airlines Logo
12:10 am - 11:25 pm
ONT
-
KTM
34h 30m
2 stops
Multiple Airlines Logo
12:25 am - 6:00 pm
KTM
-
ONT
30h 20m
2 stops
$1,392Multiple Airlines
Thu, Apr 23 - Sat, May 2
Multiple Airlines Logo
10:39 am - 5:00 pm
ONT
-
KTM
41h 36m
2 stops
Multiple Airlines Logo
6:15 pm - 7:05 pm
KTM
-
ONT
37h 35m
2 stops
$1,398Multiple Airlines
Mon, Apr 27 - Sat, May 9
Qatar Airways Logo
12:02 pm - 4:25 pm
ONT
-
KTM
38h 38m
2 stops
Qatar Airways Logo
9:10 am - 11:32 pm
KTM
-
ONT
52h 07m
2 stops
$1,419Qatar Airways
Thu, Feb 26 - Thu, Mar 5
Multiple Airlines Logo
7:48 pm - 9:30 pm
ONT
-
KTM
36h 57m
2 stops
Multiple Airlines Logo
10:50 pm - 4:16 pm
KTM
-
ONT
30h 11m
2 stops
$1,456Multiple Airlines
Sat, Jun 20 - Wed, Jul 8
Multiple Airlines Logo
12:10 am - 11:00 pm
ONT
-
KTM
34h 05m
3 stops
Multiple Airlines Logo
9:10 pm - 6:00 pm
KTM
-
ONT
33h 35m
3 stops
$1,459Multiple Airlines
Thu, Apr 23 - Sun, May 3
Multiple Airlines Logo
12:10 am - 11:25 pm
ONT
-
KTM
34h 30m
2 stops
Multiple Airlines Logo
12:25 am - 6:00 pm
KTM
-
ONT
30h 20m
2 stops
$1,467Multiple Airlines
Thu, Apr 23 - Fri, May 1

Qatar Airways flights from Ontario to Kathmandu

Our best Qatar Airways deals on Ontario to Kathmandu flight tickets
Qatar Airways
Mar 4
ONT12:02 pmOntario
38h 38m
2 stops
KTM4:25 pmKathmandu Tribhuvan
May 5
KTM6:15 pmKathmandu Tribhuvan
31h 48m
2 stops
ONT1:18 pmOntario
$1,339
Qatar Airways
Feb 26
ONT12:02 pmOntario
38h 38m
2 stops
KTM4:25 pmKathmandu Tribhuvan
Mar 5
KTM9:10 amKathmandu Tribhuvan
52h 07m
2 stops
ONT11:32 pmOntario
$1,419
Qatar Airways
Feb 28
ONT12:02 pmOntario
30h 08m
2 stops
KTM7:55 amKathmandu Tribhuvan
Mar 15
KTM9:10 amKathmandu Tribhuvan
51h 07m
2 stops
ONT11:32 pmOntario
$1,472

momondo Fare Finder

 
Customize your flight search to find flights from Ontario 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 January 29, 2026.
Use the filters below to find and compare flights from Ontario to Kathmandu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Wed 3/4

12:02 pm-4:25 pm

2 stops38h 38m

Kathmandu Tribhuvan

Tue 5/5

6:15 pm-1:18 pm

2 stops31h 48m

$1,339

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Mon 3/16

4:02 pm-9:40 pm

2 stops40h 53m

Kathmandu Tribhuvan

Thu 4/30

10:50 pm-2:32 pm

2 stops28h 27m

$1,370

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Thu 4/23

12:10 am-11:25 pm

2 stops34h 30m

Kathmandu Tribhuvan

Sat 5/2

9:10 pm-6:00 pm

3 stops33h 35m

$1,387

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Thu 4/23

12:10 am-11:25 pm

2 stops34h 30m

Kathmandu Tribhuvan

Sun 5/3

9:10 pm-6:00 pm

3 stops33h 35m

$1,388

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Thu 4/23

12:10 am-11:25 pm

2 stops34h 30m

Kathmandu Tribhuvan

Sat 5/2

12:25 am-6:00 pm

2 stops30h 20m

$1,392

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Mon 4/27

10:39 am-5:00 pm

2 stops41h 36m

Kathmandu Tribhuvan

Sat 5/9

6:15 pm-7:05 pm

2 stops37h 35m

$1,398

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Thu 2/26

12:02 pm-4:25 pm

2 stops38h 38m

Kathmandu Tribhuvan

Thu 3/5

9:10 am-11:32 pm

2 stops52h 07m

$1,419

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Sat 6/20

7:48 pm-9:30 pm

2 stops36h 57m

Kathmandu Tribhuvan

Wed 7/8

10:50 pm-4:16 pm

2 stops30h 11m

$1,456

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Thu 4/23

12:10 am-11:00 pm

3 stops34h 05m

Kathmandu Tribhuvan

Sun 5/3

9:10 pm-6:00 pm

3 stops33h 35m

$1,459

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Thu 4/23

12:10 am-11:25 pm

2 stops34h 30m

Kathmandu Tribhuvan

Fri 5/1

12:25 am-6:00 pm

2 stops30h 20m

$1,467

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 Ontario 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 airline that flies from Ontario to Kathmandu Tribhuvan?

Qatar Airways is the most popular carrier operating from Ontario to Kathmandu Tribhuvan

What airlines fly to Kathmandu?

Cathay Pacific, China Southern and Singapore Airlines are the top three most popular airlines that fly to Kathmandu from Ontario according to our data. Cathay Pacific is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Kathmandu. Keep in mind that there are 9 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 Ontario to Kathmandu

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

Cheap Ontario to Kathmandu (ONT to KTM) flight deals and tips

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

Fastest flight time

28h 15m

Direct flights

None
The fastest flight from Ontario to Kathmandu takes 28h 15m
There are no direct flights from Ontario to Kathmandu. There are no popular flight routes from Ontario to Kathmandu.
Search flight deals

  • How far is Ontario to Kathmandu Tribhuvan by plane?

    The straight-line distance from Ontario to Kathmandu Tribhuvan is 7905.6 mi. A reasonable flight in good conditions will take 28h 15m.

  • When did momondo last update prices for flights from Ontario Airport to Kathmandu Tribhuvan Airport?

    Prices for flights from Ontario Airport to Kathmandu Tribhuvan Airport were last updated today.

  • How old do you have to be to fly from Ontario 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 Ontario 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 Ontario to Kathmandu?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Kathmandu. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Kathmandu with flexible booking policies on momondo?

All flight searches from Ontario to Kathmandu on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Kathmandu from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ontario to Kathmandu right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Kathmandu from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to Nepal

Fly your favorite airline to Kathmandu

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Cathay Pacific
China Southern
Singapore Airlines
Turkish Airlines
Sichuan Airlines
Qatar Airways
China Eastern
Emirates
IndiGo