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Cheap flights from Kathmandu to Los Angeles from $823

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kathmandu to Los Angeles departing on 12/17. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:25 am - 4:50 pmKTM-ONT
30h 10m2 stops
Multiple Airlines Logo
12:10 am - 11:25 pmONT-KTM
34h 30m2 stops
$1,582Multiple Airlines
Find Deal
Sun, Feb 15 - Mon, Mar 30
Qatar Airways Logo
7:05 pm - 10:37 pmKTM-ONT
41h 17m2 stops
Qatar Airways Logo
6:00 am - 7:55 amONT-KTM
37h 10m2 stops
$1,606Qatar Airways
Find Deal
Wed, Mar 4 - Sun, Mar 8
Qatar Airways Logo
5:40 pm - 10:37 pmKTM-ONT
42h 42m2 stops
Qatar Airways Logo
6:00 am - 4:25 pmONT-KTM
45h 40m2 stops
$1,608Qatar Airways
Find Deal
Wed, Mar 4 - Sun, Mar 8
Qatar Airways Logo
7:05 pm - 10:37 pmKTM-ONT
41h 17m2 stops
Qatar Airways Logo
6:00 am - 4:25 pmONT-KTM
45h 40m2 stops
$1,610Qatar Airways
Find Deal
Wed, Mar 4 - Sun, Mar 8
Qatar Airways Logo
9:10 am - 2:18 pmKTM-ONT
42h 53m2 stops
Qatar Airways Logo
10:57 am - 4:45 pmONT-KTM
41h 03m2 stops
$1,731Qatar Airways
Find Deal
Mon, Feb 2 - Sun, Mar 29
Qatar Airways Logo
9:10 am - 1:57 pmKTM-ONT
66h 32m2 stops
Qatar Airways Logo
3:09 pm - 4:45 pmONT-KTM
36h 51m2 stops
$1,740Qatar Airways
Find Deal
Mon, Feb 16 - Tue, Mar 31
Qatar Airways Logo
9:10 am - 6:16 pmKTM-ONT
46h 51m2 stops
Qatar Airways Logo
11:30 am - 7:55 amONT-KTM
30h 40m2 stops
$1,800Qatar Airways
Find Deal
Thu, Dec 18 - Thu, Feb 19
Qatar Airways Logo
9:10 am - 6:45 pmKTM-ONT
47h 20m2 stops
Qatar Airways Logo
10:57 am - 4:45 pmONT-KTM
41h 03m2 stops
$1,965Qatar Airways
Find Deal
Sun, Jan 18 - Fri, Mar 27
Qatar Airways Logo
7:05 pm - 2:18 pmKTM-ONT
32h 58m2 stops
Qatar Airways Logo
3:09 pm - 4:25 pmONT-KTM
36h 31m2 stops
$2,127Qatar Airways
Find Deal
Mon, Jan 12 - Thu, Mar 19
Qatar Airways Logo
7:05 pm - 2:02 pmKTM-ONT
32h 42m2 stops
Qatar Airways Logo
2:59 pm - 7:55 amONT-KTM
27h 11m2 stops
$2,811Qatar Airways
Find Deal
Sun, Nov 16 - Sat, Nov 29

Qatar Airways flights from Kathmandu to Ontario

Our best Qatar Airways deals on Kathmandu to Ontario flight tickets
Qatar Airways
Mar 4
KTM7:05 pmKathmandu Tribhuvan
41h 17m
2 stops
ONT10:37 pmOntario
Mar 8
ONT6:00 amOntario
37h 10m
2 stops
KTM7:55 amKathmandu Tribhuvan
$1,606
Find similar
Qatar Airways
Mar 4
KTM5:40 pmKathmandu Tribhuvan
42h 42m
2 stops
ONT10:37 pmOntario
Mar 8
ONT6:00 amOntario
45h 40m
2 stops
KTM4:25 pmKathmandu Tribhuvan
$1,608
Find similar
Qatar Airways
Mar 4
KTM7:05 pmKathmandu Tribhuvan
41h 17m
2 stops
ONT10:37 pmOntario
Mar 8
ONT6:00 amOntario
45h 40m
2 stops
KTM4:25 pmKathmandu Tribhuvan
$1,610
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Kathmandu to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Sun 2/15

12:25 am-4:50 pm

2 stops30h 10m

Ontario

Mon 3/30

12:10 am-11:25 pm

2 stops34h 30m

$1,582

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Wed 3/4

7:05 pm-10:37 pm

2 stops41h 17m

Ontario

Sun 3/8

6:00 am-7:55 am

2 stops37h 10m

$1,606

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Wed 3/4

5:40 pm-10:37 pm

2 stops42h 42m

Ontario

Sun 3/8

6:00 am-4:25 pm

2 stops45h 40m

$1,608

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Wed 3/4

7:05 pm-10:37 pm

2 stops41h 17m

Ontario

Sun 3/8

6:00 am-4:25 pm

2 stops45h 40m

$1,610

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Mon 2/2

9:10 am-2:18 pm

2 stops42h 53m

Ontario

Sun 3/29

10:57 am-4:45 pm

2 stops41h 03m

$1,731

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Mon 2/16

9:10 am-1:57 pm

2 stops66h 32m

Ontario

Tue 3/31

3:09 pm-4:45 pm

2 stops36h 51m

$1,740

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Thu 12/18

9:10 am-6:16 pm

2 stops46h 51m

Ontario

Thu 2/19

11:30 am-7:55 am

2 stops30h 40m

$1,800

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Sun 1/18

9:10 am-6:45 pm

2 stops47h 20m

Ontario

Fri 3/27

10:57 am-4:45 pm

2 stops41h 03m

$1,965

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Mon 1/12

7:05 pm-2:18 pm

2 stops32h 58m

Ontario

Thu 3/19

3:09 pm-4:25 pm

2 stops36h 31m

$2,127

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Sun 11/16

7:05 pm-2:02 pm

2 stops32h 42m

Ontario

Sat 11/29

2:59 pm-7:55 am

2 stops27h 11m

$2,811

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 Los Angeles from

How to get the cheapest flight ticket from Kathmandu to Ontario

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 Kathmandu Tribhuvan to Ontario?

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

What airlines fly to Ontario?

Sichuan Airlines, Cathay Pacific and Turkish Airlines are the top three most popular airlines that fly to Ontario from Kathmandu according to our data. Sichuan Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from Kathmandu to Ontario

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

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

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

Direct flights

None
There are no direct flights from Kathmandu to Ontario. There are no popular flight routes from Kathmandu to Ontario.
Search flight deals

  • How far is Kathmandu Tribhuvan to Ontario by plane?

    The straight-line distance from Kathmandu Tribhuvan to Ontario is 7905.6 mi. Typically, this will take 30h 10m by plane in normal conditions.

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

    Prices for flights from Kathmandu Tribhuvan Airport to Ontario Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kathmandu Tribhuvan Airport to Ontario Airport.

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

    The necessary travel and health documents for your Ontario 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.

Why use momondo?

Why should I use momondo to find a flight deal from Kathmandu to Ontario?

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

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

Yes. momondo enables you to select and highlight flights to Ontario from Kathmandu with this policy.

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

momondo helps you find the best flight between Kathmandu and Ontario 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 Kathmandu to Ontario right now. Can momondo alert me if prices change?

Price alerts on flights to Ontario from Kathmandu are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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