$789 Cheap Flights from Thiruvananthapuram (TRV) to Ontario (ONT)

View $789 flight on Sun, Nov 16, 2025Opens in a new window

Popular airlines from Trivandrum Intl. Airport (TRV) to Los Angeles - Ontario Intl. Airport (ONT)

Cheap Flights from Thiruvananthapuram to Ontario (TRV-ONT)

Prices were available within the past 7 days and start at $789 for one-way flights and $1,618 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air India
Sun, Nov 16 - Tue, Nov 25
TRV
Thiruvananthapuram
ONT
Ontario
$1,618 Roundtrip, found 2 days ago
$1,618
Roundtrip
found 2 days ago
Select Air India flight, departing Sun, Nov 16 from Thiruvananthapuram to Ontario, returning Tue, Nov 25, priced at $1,618 found 2 days ago
Air India
Sun, Nov 16 - Tue, Nov 25
TRV
Thiruvananthapuram
ONT
Ontario
$1,625 Roundtrip, found 2 days ago
$1,625
Roundtrip
found 2 days ago
Select Air India flight, departing Sun, Nov 16 from Thiruvananthapuram to Ontario, returning Tue, Nov 25, priced at $1,625 found 2 days ago
Air India
Sun, Nov 16 - Tue, Nov 25
TRV
Thiruvananthapuram
ONT
Ontario
$1,677 Roundtrip, found 2 days ago
$1,677
Roundtrip
found 2 days ago
Select Air India flight, departing Sun, Nov 16 from Thiruvananthapuram to Ontario, returning Tue, Nov 25, priced at $1,677 found 2 days ago
Air India
Sun, Nov 16 - Tue, Nov 25
TRV
Thiruvananthapuram
ONT
Ontario
$1,684 Roundtrip, found 2 days ago
$1,684
Roundtrip
found 2 days ago
Select Air India flight, departing Sun, Nov 16 from Thiruvananthapuram to Ontario, returning Tue, Nov 25, priced at $1,684 found 2 days ago
Air India
Sun, Nov 16 - Tue, Nov 25
TRV
Thiruvananthapuram
ONT
Ontario
$1,694 Roundtrip, found 2 days ago
$1,694
Roundtrip
found 2 days ago
Select Air India flight, departing Sun, Nov 16 from Thiruvananthapuram to Ontario, returning Tue, Nov 25, priced at $1,694 found 2 days ago
Air India
Sun, Nov 16 - Tue, Nov 25
TRV
Thiruvananthapuram
ONT
Ontario
$1,753 Roundtrip, found 2 days ago
$1,753
Roundtrip
found 2 days ago
Select Air India flight, departing Sun, Nov 16 from Thiruvananthapuram to Ontario, returning Tue, Nov 25, priced at $1,753 found 2 days ago
Air India
Sun, Nov 16 - Tue, Nov 25
TRV
Thiruvananthapuram
ONT
Ontario
$1,822 Roundtrip, found 2 days ago
$1,822
Roundtrip
found 2 days ago
Select Air India flight, departing Sun, Nov 16 from Thiruvananthapuram to Ontario, returning Tue, Nov 25, priced at $1,822 found 2 days ago
Air India
Sun, Nov 16 - Tue, Nov 25
TRV
Thiruvananthapuram
ONT
Ontario
$1,829 Roundtrip, found 2 days ago
$1,829
Roundtrip
found 2 days ago
Select Air India flight, departing Sun, Nov 16 from Thiruvananthapuram to Ontario, returning Tue, Nov 25, priced at $1,829 found 2 days ago
Air India
Sun, Nov 16 - Tue, Nov 25
TRV
Thiruvananthapuram
ONT
Ontario
$1,829 Roundtrip, found 2 days ago
$1,829
Roundtrip
found 2 days ago
Select Air India flight, departing Sun, Nov 16 from Thiruvananthapuram to Ontario, returning Tue, Nov 25, priced at $1,829 found 2 days ago
Qatar Airways
Sun, Nov 16 - Tue, Nov 25
TRV
Thiruvananthapuram
ONT
Ontario
$2,037 Roundtrip, found 2 days ago
$2,037
Roundtrip
found 2 days ago
Select Qatar Airways flight, departing Sun, Nov 16 from Thiruvananthapuram to Ontario, returning Tue, Nov 25, priced at $2,037 found 2 days ago
Flights from Thiruvananthapuram (TRV) to Ontario (ONT)
Origin airport
Trivandrum Intl.
Destination airport
Los Angeles - Ontario Intl.
Roundtrip price
$1,618
Distance
9347 mi

Thiruvananthapuram to Ontario Flights

The cheapest times to fly from Thiruvananthapuram to Ontario

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Thiruvananthapuram to Ontario are during the month of November. You can find some of the cheapest flights from Thiruvananthapuram to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Thiruvananthapuram to Ontario

Sunday is one of the best days to book for cheap flights from Thiruvananthapuram to Ontario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Thiruvananthapuram to Ontario

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Thiruvananthapuram to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from $789 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Thiruvananthapuram to Ontario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Thiruvananthapuram to Ontario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Trivandrum Intl. Airport (TRV) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Secure a cheap one-way flight from $789 or cheap return flight from $1,618 from Trivandrum Intl. Airport (TRV) to Los Angeles - Ontario Intl. Airport (ONT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Trivandrum Intl. Airport (TRV) to Los Angeles - Ontario Intl. Airport (ONT)?
Planning your getaway for November is a good way to save, as it's the cheapest month for flights between TRV and ONT. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Trivandrum Intl. Airport (TRV) to Los Angeles - Ontario Intl. Airport (ONT)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from TRV to ONT. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Trivandrum Intl. Airport (TRV) to Los Angeles - Ontario Intl. Airport (ONT)?
You'll have to hop on a flight with a layover if you're traveling from Trivandrum Intl. Airport (TRV) to Los Angeles - Ontario Intl. Airport (ONT). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from TRV to ONT?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary depending on a number of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Trivandrum Intl. Airport (TRV) to Los Angeles - Ontario Intl. Airport (ONT)?
To land at Los Angeles - Ontario Intl. Airport (ONT) on time, select a flight that takes off from Trivandrum Intl. Airport (TRV) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Trivandrum Intl. Airport (TRV) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Booking your plane ticket from TRV to ONT just before your getaway is generally more expensive. But if there's some wiggle room with your travel times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a TRV to ONT flight and hotel package?
Compared with arranging flights and hotels separately, booking a TRV to ONT flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place will take the hassle out of travel planning. Simply pick your flights and select from our wide range of hotels, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Trivandrum Intl. Airport (TRV) to Los Angeles - Ontario Intl. Airport (ONT)?
If you booked your TRV to ONT flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

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*Available to One Key members.