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$839+ Cheap flights from Kathmandu (KTM) to Ontario (ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — ONT
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
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Cheap flight deals from Kathmandu to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Kathmandu (KTM) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,610
(Qatar Airways)

One-way from

$839
(Mytrip)

Popular in

November

Cheapest in

September

Average price

$1,288
Provider with most accurate pricing for Kathmandu Tribhuvan-Ontario flight deals.
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Provider most trusted by Cheapflights users for Kathmandu Tribhuvan-Ontario flights.
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From Kathmandu Tribhuvan to Ontario
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One-way flight from Kathmandu Tribhuvan to Ontario
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Highest demand for flights based on searches. 11% potential increase in price ($171 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Kathmandu to Ontario

Cheapest flights from Kathmandu to Ontario
Explore the most affordable flight options available from Kathmandu to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2025.

This Mytrip deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1612:25 amKTM - ONT
2 stops29h 50mMultiple Airlines
Mon 11/2410:50 pmONT - KTM
2 stops47h 50mMultiple Airlines
Deal found 10/19$1,711
This Justfly.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1711:00 amKTM - ONT
2 stops40h 47mQatar Airways
Mon 11/243:19 pmONT - KTM
2 stops28h 41mQatar Airways
Deal found 10/19$1,759

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kathmandu to Ontario 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, Cheapflights users made 2,558,603 searches. Data last updated October 22, 2025.
Use the filters below to find and compare flights from Kathmandu to Ontario that are best for you.

Fly from

Kathmandu

Fly to

Ontario

Route

Depart

Return

Price

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Wed 3/4

7:05 pm-6:17 pm

2 stops36h 57m

Ontario

Sun 3/8

6:00 am-5:50 pm

2 stops47h 05m

$1,610

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Sun 11/16

12:25 am-4:30 pm

2 stops29h 50m

Ontario

Mon 11/24

10:50 pm-12:25 pm

2 stops47h 50m

$1,711

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Mon 11/17

11:00 am-2:02 pm

2 stops40h 47m

Ontario

Mon 11/24

3:19 pm-9:45 am

2 stops28h 41m

$1,759

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Tue 4/14

12:25 am-5:05 pm

2 stops29h 25m

$839

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Fri 10/31

9:25 pm-5:50 pm

2 stops33h 10m

$1,046

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Tue 10/28

11:00 am-1:43 pm

2 stops39h 28m

$1,099

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Tue 10/28

7:20 pm-10:41 pm

2 stops40h 06m

$1,135

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Wed 10/29

11:00 am-2:01 pm

2 stops39h 46m

$1,271

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Wed 4/15

6:00 pm-6:19 pm

2 stops37h 04m

$1,554

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Fri 1/2

12:25 am-4:30 pm

3 stops29h 50m

$1,902

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 11 results
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Compare providers for flights from Kathmandu to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kathmandu to Ontario in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kathmandu-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kathmandu-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kathmandu-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kathmandu-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kathmandu-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kathmandu to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Kathmandu with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kathmandu to Ontario

What is the cheapest month to book a flight from Kathmandu to Ontario?

Currently, May is the cheapest month in which you can book a flight from Kathmandu to Ontario (average of $763). Flying from Kathmandu to Ontario in December is currently the most expensive (average of $1,364). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Kathmandu to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Kathmandu to Ontario?

    Airlines like Qatar Airways fly from Kathmandu to Ontario in about 36h 57m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 7908 mi.

  • Can I find deals for flights from Kathmandu to Ontario that include hotel bookings?

    Yes. In addition to deals on Kathmandu to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kathmandu to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kathmandu to Ontario.

  • Can I find deals for business class flights from Kathmandu to Ontario?

    Yes. Cheapflights offers flight deals from Kathmandu to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kathmandu to Ontario?

    Currently, May is the cheapest month in which you can book a flight from Kathmandu to Ontario (average of $763). Flying from Kathmandu to Ontario in December is currently the most expensive (average of $1,364). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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