$440+ 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 5/13. 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 April or February, 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 May 1, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $909 (FlightHub) |
One-way from | $440 (FlightHub) |
Popular in | December |
Cheapest in | April |
Average price | $1,418 |
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 May 1, 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 May 1, 2025.
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub deal was found by Cheapflights users on 4/29. 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 StudentUniverse deal was found by Cheapflights users on 4/29. 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 StudentUniverse 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 4/29. 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 oojo deal was found by Cheapflights users on 4/28. 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.
This Gurufare deal was found by Cheapflights users on 4/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air China deal was found by Cheapflights users on 4/29. 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 Air China 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 4/29. 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 Turkish Airlines deal was found by Cheapflights users on 4/30. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Irvine 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 May 1, 2025.
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
Sun 8/10
8:40 pm-9:45 pm
1 stop36h 20m
Kathmandu Tribhuvan
Sat 8/23
11:00 pm-9:50 pm
1 stop35h 35m
Los AngelesKathmandu
LAX - KTM
LAXKTM
Los Angeles
Thu 9/18
12:30 pm-3:35 pm
3 stops62h 20m
Kathmandu Tribhuvan
Wed 10/22
4:35 pm-10:05 am
2 stops30h 15m
Los AngelesKathmandu
LAX - KTM
LAXKTM
Los Angeles
Mon 9/1
1:25 am-9:45 pm
1 stop31h 35m
Kathmandu Tribhuvan
Sat 9/13
11:00 pm-11:20 am
1 stop25h 05m
Los AngelesKathmandu
LAX - KTM
LAXKTM
Los Angeles
Thu 5/15
10:50 pm-6:10 pm
2 stops30h 35m
Kathmandu Tribhuvan
Mon 5/19
1:25 pm-1:15 pm
2 stops36h 35m
Los AngelesKathmandu
LAX - KTM
LAXKTM
Los Angeles
Thu 10/2
4:20 pm-4:45 pm
1 stop35h 40m
Kathmandu Tribhuvan
Tue 10/28
5:40 pm-1:50 pm
1 stop32h 55m
Los AngelesKathmandu
LAX - KTM
LAXKTM
Los Angeles
Wed 9/17
11:50 pm-10:30 pm
1 stop33h 55m
Kathmandu Tribhuvan
Thu 10/2
11:30 pm-7:40 pm
1 stop32h 55m
Los AngelesKathmandu
LAX - KTM
LAXKTM
Los Angeles
Tue 9/2
10:00 pm-10:55 am
2 stops48h 10m
Kathmandu Tribhuvan
Sun 9/14
11:55 am-8:10 pm
2 stops45h 00m
Los AngelesKathmandu
LAX - KTM
LAXKTM
Los Angeles
Sun 6/1
11:15 pm-10:45 am
1 stop22h 45m
Kathmandu Tribhuvan
Tue 6/10
11:45 am-8:45 pm
1 stop21h 45m
Los AngelesKathmandu
LAX - KTM
LAXKTM
Los Angeles
Fri 5/30
1:40 pm-6:15 am
1 stop27h 50m
Kathmandu Tribhuvan
Thu 6/19
7:40 am-11:45 am
1 stop40h 50m
Los AngelesKathmandu
LAX - KTM
LAXKTM
Los Angeles
Tue 5/13
12:30 pm-3:35 pm
3 stops62h 20m
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 April 25, 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, September is the cheapest month in which you can book a flight from Irvine to Kathmandu (average of $1,237). Flying from Irvine to Kathmandu in June is currently the most expensive (average of $1,886). 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 May 1, 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 May 26, 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.
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 May 1, 2025.
See what other customers who have flown with Singapore Airlines, Cathay Pacific and China Southern from Irvine to Kathmandu have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Boarding
Entertainment
Food
Crew
Overall
Reviews
Ketan,Nov 2024
SEA - SIN
Comfort
Boarding
Entertainment
Food
Crew
Overall
Reviews
Ketan,Nov 2024
SEA - SIN
Comfort
Boarding
Entertainment
Food
Crew
Overall
Reviews
Ketan,Nov 2024
SEA - SIN
Comfort
Boarding
Entertainment
Food
Crew
Overall
Reviews
Ketan,Nov 2024
SEA - SIN
Comfort
Boarding
Entertainment
Food
Crew
Overall
Reviews
Ketan,Nov 2024
SEA - SIN
Comfort
Boarding
Entertainment
Food
Crew
Overall
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.
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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 May 1, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$756 | Average$1,073 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$786 | Average$1,010 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$917 | Average$1,426 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$918 | Average$1,264 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$949 | Average$1,300 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$969 | Average$1,288 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$1,150 | Average$1,220 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,150 | Average$1,394 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$1,271 | Average$1,681 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,282 | Average$1,563 | FlexibilityNo cancel fee | On-time68% |