$488+ Cheap flights from Irvine, CA 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Irvine to Kathmandu with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Irvine to Kathmandu Tribhuvan are usually found in August or April, booked 4 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday
Cheap flight deals from Irvine to Kathmandu
Keep the following information in mind while searching for Irvine to Kathmandu flight deals. Data was last updated September 16, 2025.
Round-trip from | $937 (FlightHub) |
|---|---|
One-way from | $488 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $1,258 |
Find flight deals from Irvine to Kathmandu
Cheapest flights from Irvine to KathmanduExplore the most affordable flight options available from Irvine to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.
Explore the most affordable flight options available from Irvine to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Booking.com deal was found by Cheapflights users on 9/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Irvine to Kathmandu that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Los AngelesKathmandu
LAX - KTM
LAXKTM
Los Angeles
Thu 1/15
1:05 pm-11:10 am
1 stop32h 20m
Kathmandu Tribhuvan
Tue 2/24
12:35 pm-11:10 am
1 stop36h 20m
Los AngelesKathmandu
LAX - KTM
LAXKTM
Los Angeles
Mon 2/16
1:05 pm-11:10 am
1 stop32h 20m
Kathmandu Tribhuvan
Tue 2/24
12:35 pm-4:50 pm
1 stop42h 00m
Los AngelesKathmandu
LAX - KTM
LAXKTM
Los Angeles
Sun 3/8
2:05 pm-11:10 am
1 stop32h 20m
Kathmandu Tribhuvan
Thu 3/12
12:35 pm-12:10 pm
1 stop36h 20m
Los AngelesKathmandu
LAX - KTM
LAXKTM
Los Angeles
Sun 2/15
6:45 pm-11:10 am
1 stop26h 40m
Kathmandu Tribhuvan
Tue 2/24
12:35 pm-11:10 am
1 stop36h 20m
Los AngelesKathmandu
LAX - KTM
LAXKTM
Los Angeles
Fri 2/13
10:55 am-10:00 pm
1 stop45h 20m
Kathmandu Tribhuvan
Tue 3/3
10:55 pm-9:05 am
1 stop23h 55m
Los AngelesKathmandu
LAX - KTM
LAXKTM
Los Angeles
Wed 1/14
10:15 pm-10:00 pm
1 stop34h 00m
Kathmandu Tribhuvan
Mon 2/23
11:15 pm-8:55 pm
1 stop35h 25m
Los AngelesKathmandu
LAX - KTM
LAXKTM
Los Angeles
Fri 2/13
10:55 am-10:00 pm
1 stop45h 20m
Kathmandu Tribhuvan
Sat 2/28
10:55 pm-9:05 am
1 stop23h 55m
Los AngelesKathmandu
LAX - KTM
LAXKTM
Los Angeles
Sun 10/19
11:30 pm-9:45 pm
1 stop33h 30m
Kathmandu Tribhuvan
Wed 11/19
10:55 pm-8:55 pm
1 stop35h 45m
Los AngelesKathmandu
LAX - KTM
LAXKTM
Los Angeles
Sun 2/15
10:35 pm-10:00 pm
1 stop33h 40m
Kathmandu Tribhuvan
Mon 3/2
10:55 pm-8:55 pm
1 stop35h 45m
Los AngelesKathmandu
LAX - KTM
LAXKTM
Los Angeles
Thu 2/19
9:15 pm-10:00 pm
1 stop35h 00m
Kathmandu Tribhuvan
Wed 2/25
10:55 pm-1:20 pm
1 stop28h 10m
Best time to book a flight from Irvine to Kathmandu
Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Irvine with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Irvine to Kathmandu
How far ahead should I book a flight from Irvine to Kathmandu?
Use this chart to determine the optimal time to book a round-trip flight from Irvine to Kathmandu. Price data was last updated on September 12, 2025.
To ensure you get the cheapest price possible for a flight from Irvine to Kathmandu, you should look to book at least 4 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Irvine to Kathmandu?
Currently, August is the cheapest month in which you can book a flight from Irvine to Kathmandu (average of $1,205). Flying from Irvine to Kathmandu in June is currently the most expensive (average of $1,683). 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.
What is the cheapest time of day to fly from IR9 to KTM?
Find hourly flight availability from Irvine to Kathmandu. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.
When flying from Irvine to Kathmandu, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
What is the cheapest day to fly from Irvine to Kathmandu?
Use this chart to determine the cheapest time to fly round-trip from Irvine to Kathmandu. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Irvine to Kathmandu flight should consider departing on Saturday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
How much does it cost to fly round-trip from Irvine to Kathmandu?
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 September 16, 2025.
Read reviews from past customers who have flown Singapore Airlines, Cathay Pacific, and China Southern from Irvine to Kathmandu. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
Crew
Boarding
Comfort
Food
Entertainment
Reviews
Ketan,Nov 2024
SEA - SIN
Overall
Crew
Boarding
Comfort
Food
Entertainment
Reviews
Ketan,Nov 2024
SEA - SIN
Overall
Crew
Boarding
Comfort
Food
Entertainment
Reviews
Ketan,Nov 2024
SEA - SIN
Overall
Crew
Boarding
Comfort
Food
Entertainment
Reviews
Ketan,Nov 2024
SEA - SIN
Overall
Crew
Boarding
Comfort
Food
Entertainment
Reviews
Ketan,Nov 2024
SEA - SIN
Overall
Crew
Boarding
Comfort
Food
Entertainment
Reviews
Ketan,Nov 2024
SEA - SIN
Related info for your journey
Find useful and relevant information for your journey from Irvine to Kathmandu. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Kathmandu?
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Alternative routes for Irvine to Kathmandu
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Irvine to Kathmandu
Discover the top 10 airlines that operate flights from Irvine 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 September 16, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$756 | Average$1,073 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$786 | Average$922 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$895 | Average$1,222 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$910 | Average$1,482 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$943 | Average$1,204 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$949 | Average$1,319 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,105 | Average$1,453 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,143 | Average$1,371 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$1,171 | Average$1,283 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,284 | Average$1,508 | FlexibilityNo cancel fee | On-time75% |