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Kathmandu

$529+ Cheap flights from Ontario (ONT) to Kathmandu (KTM)

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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — KTM
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Ontario to Kathmandu

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Kathmandu (KTM). 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 June 12, 2025.

Round-trip from

$1,424
(Mytrip)

One-way from

$529
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$1,525
From Ontario to Kathmandu Tribhuvan
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One-way flight from Ontario to Kathmandu Tribhuvan
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Highest demand for flights based on searches. 10% potential increase in price ($163 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Ontario to Kathmandu

Cheapest flights from Ontario to Kathmandu
Explore the most affordable flight options available from Ontario to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/10. 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.
Mon 9/2212:10 amONT - KTM
2 stops30h 05mMultiple Airlines
Tue 9/3011:30 pmKTM - ONT
2 stops31h 15mMultiple Airlines
Deal found 6/10$1,424
This oojo deal was found by Cheapflights users on 6/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/203:00 pmONT - KTM
2 stops37h 00mQatar Airways
Tue 11/116:45 pmKTM - ONT
2 stops39h 48mQatar Airways
Deal found 6/9$1,780
This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1511:45 pmONT - KTM
2 stops51h 10mEtihad Airways
Mon 9/14:20 pmKTM - ONT
2 stops42h 55mEtihad Airways
Deal found 6/12$3,089

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Ontario to Kathmandu that are best for you.

Fly from

Ontario

Fly to

Kathmandu

Route

Depart

Return

Price

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Mon 9/22

12:10 am-7:00 pm

2 stops30h 05m

Kathmandu Tribhuvan

Tue 9/30

11:30 pm-6:00 pm

2 stops31h 15m

$1,424

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Mon 10/20

3:00 pm-4:45 pm

2 stops37h 00m

Kathmandu Tribhuvan

Tue 11/11

6:45 pm-8:48 pm

2 stops39h 48m

$1,780

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Fri 8/15

11:45 pm-3:40 pm

2 stops51h 10m

Kathmandu Tribhuvan

Mon 9/1

4:20 pm-10:30 pm

2 stops42h 55m

$3,089

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Mon 7/28

9:41 pm-9:50 am

2 stops47h 24m

$529

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Mon 7/28

11:59 pm-3:40 pm

2 stops50h 56m

$709

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Mon 11/3

3:05 pm-8:15 am

2 stops27h 25m

$981

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Ontario to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Ontario 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 Ontario to Kathmandu

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

Currently, September is the cheapest month in which you can book a flight from Ontario to Kathmandu (average of $1,237). Flying from Ontario to Kathmandu in June is currently the most expensive (average of $1,735). 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.

Rainfall in Kathmandu by month

Plan your trip to Kathmandu by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kathmandu ranges from 0.0 - 14.6 inches per month. July is typically the wettest month, when rainfall can reach 14.6 in. November is typically the driest time to visit Kathmandu when rainfall is around 0.0 in.

Temperature in Kathmandu by month

Plan your trip to Kathmandu by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kathmandu, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing Kathmandu

Get insights into the airlines that provide service to Kathmandu. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kathmandu. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with Qatar Airways and Etihad Airways from Ontario to Kathmandu by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,584 reviews

Food

7.3

Overall

7.4

Comfort

7.4

Entertainment

7.4

Boarding

7.5

Crew

7.9

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines
Qatar Airways
7.4
Good
3,584 reviews
Qatar Airways
7.4
Good
3,584 reviews

Food

7.3

Overall

7.4

Comfort

7.4

Entertainment

7.4

Boarding

7.5

Crew

7.9

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines
Etihad Airways
7.4
Good
1,211 reviews
Qatar Airways
7.4
Good
3,584 reviews

Food

7.3

Overall

7.4

Comfort

7.4

Entertainment

7.4

Boarding

7.5

Crew

7.9

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines

Related info for your journey

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

  • What are the cheapest airlines flying from Ontario to Kathmandu round-trip?

    According to our current data, Qatar Airways ($1,780), and Etihad Airways ($3,089) offers the cheapest pricing from Ontario to Kathmandu.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Kathmandu 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 Ontario to Kathmandu?

    Currently, September is the cheapest month in which you can book a flight from Ontario to Kathmandu (average of $1,237). Flying from Ontario to Kathmandu in June is currently the most expensive (average of $1,735). 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.

See more FAQs

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Nagarkot

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Ontario to Kathmandu

Discover the top airline that operate flights from Ontario to Kathmandu. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,323Average$1,560FlexibilityNo cancel feeOn-time68%

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