$695 Cheap Flights from Boise (BOI) to Thiruvananthapuram (TRV)

View $695 flight on Wed, Sep 10, 2025Opens in a new window

Popular airlines from Boise Airport (BOI) to Trivandrum Intl. Airport (TRV)

Cheap Flights from Boise to Thiruvananthapuram (BOI-TRV)

Prices were available within the past 7 days and start at $695 for one-way flights and $1,118 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Sep 30 - Mon, Oct 27
BOI
Boise
TRV
Thiruvananthapuram
$1,118 Roundtrip, found 5 days ago
$1,118
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Sep 30 from Boise to Thiruvananthapuram, returning Mon, Oct 27, priced at $1,118 found 5 days ago
Qatar Airways
Thu, Oct 2 - Wed, Oct 22
BOI
Boise
TRV
Thiruvananthapuram
$1,135 Roundtrip, found 5 days ago
$1,135
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Thu, Oct 2 from Boise to Thiruvananthapuram, returning Wed, Oct 22, priced at $1,135 found 5 days ago
Alaska Airlines
Fri, Oct 3 - Mon, Oct 27
BOI
Boise
TRV
Thiruvananthapuram
$1,158 Roundtrip, found 5 days ago
$1,158
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Fri, Oct 3 from Boise to Thiruvananthapuram, returning Mon, Oct 27, priced at $1,158 found 5 days ago
Alaska Airlines
Sun, Nov 16 - Wed, Dec 3
BOI
Boise
TRV
Thiruvananthapuram
$1,168 Roundtrip, found 2 days ago
$1,168
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sun, Nov 16 from Boise to Thiruvananthapuram, returning Wed, Dec 3, priced at $1,168 found 2 days ago
Alaska Airlines
Thu, Oct 2 - Sat, Oct 25
BOI
Boise
TRV
Thiruvananthapuram
$1,169 Roundtrip, found 1 day ago
$1,169
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Oct 2 from Boise to Thiruvananthapuram, returning Sat, Oct 25, priced at $1,169 found 1 day ago
Qatar Airways
Wed, Oct 1 - Sun, Oct 19
BOI
Boise
TRV
Thiruvananthapuram
$1,175 Roundtrip, found 3 days ago
$1,175
Roundtrip
found 3 days ago
Select Qatar Airways flight, departing Wed, Oct 1 from Boise to Thiruvananthapuram, returning Sun, Oct 19, priced at $1,175 found 3 days ago
Alaska Airlines
Fri, Oct 3 - Sat, Oct 25
BOI
Boise
TRV
Thiruvananthapuram
$1,198 Roundtrip, found 5 days ago
$1,198
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Fri, Oct 3 from Boise to Thiruvananthapuram, returning Sat, Oct 25, priced at $1,198 found 5 days ago
Alaska Airlines
Sat, Oct 4 - Sat, Oct 25
BOI
Boise
TRV
Thiruvananthapuram
$1,204 Roundtrip, found 5 days ago
$1,204
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Oct 4 from Boise to Thiruvananthapuram, returning Sat, Oct 25, priced at $1,204 found 5 days ago
Alaska Airlines
Sat, Nov 15 - Wed, Dec 3
BOI
Boise
TRV
Thiruvananthapuram
$1,208 Roundtrip, found 2 days ago
$1,208
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Nov 15 from Boise to Thiruvananthapuram, returning Wed, Dec 3, priced at $1,208 found 2 days ago
Alaska Airlines
Fri, Oct 3 - Sat, Oct 25
BOI
Boise
TRV
Thiruvananthapuram
$1,209 Roundtrip, found 5 days ago
$1,209
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Fri, Oct 3 from Boise to Thiruvananthapuram, returning Sat, Oct 25, priced at $1,209 found 5 days ago

Alternative airports near Thiruvananthapuram

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Trivandrum Intl. TRV. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $1,483
TRV
Trivandrum Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $1,483
Flights from Boise (BOI) to Thiruvananthapuram (TRV)
Origin airport
Boise
Destination airport
Trivandrum Intl.
Airlines serving
Qatar Airways
Roundtrip price
$1,118
Distance
8747 mi

Boise to Thiruvananthapuram Flights

The cheapest times to fly from Boise to Thiruvananthapuram

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 Boise to Thiruvananthapuram are during the month of September. You can find some of the cheapest flights from Boise to Thiruvananthapuram with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boise to Thiruvananthapuram

Sunday is one of the best days to book for cheap flights from Boise to Thiruvananthapuram: 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 Boise to Thiruvananthapuram

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 Boise to Thiruvananthapuram in 2025. You can also book with separate airlines for your outbound and return journeys, from $695 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 Boise to Thiruvananthapuram 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 Boise to Thiruvananthapuram 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 Boise Airport (BOI) to Trivandrum Intl. Airport (TRV) cost?
Grab a cheap one-way flight from $695 or cheap return flight from $1,118 from Boise Airport (BOI) to Trivandrum Intl. Airport (TRV) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Boise Airport (BOI) to Trivandrum Intl. Airport (TRV)?
The cheapest month to fly from BOI to TRV is September, when there's less demand. Off-peak season is generally when airlines offer better prices between these airports.
What is the cheapest airline that flies from Boise Airport (BOI) to Trivandrum Intl. Airport (TRV)?
To find the cheapest airline that'll fly you from BOI to TRV, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Boise Airport (BOI) to Trivandrum Intl. Airport (TRV)?
You'll have to book a flight with a layover when traveling from Boise Airport (BOI) to Trivandrum Intl. Airport (TRV). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from BOI to TRV?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based 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 Boise Airport (BOI) to Trivandrum Intl. Airport (TRV)?
To reach Trivandrum Intl. Airport (TRV) without delays, opt for a flight that leaves Boise Airport (BOI) before 3 PM. The likelihood 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 Boise Airport (BOI) to Trivandrum Intl. Airport (TRV) last-minute?
Booking your ticket from BOI to TRV shortly before your getaway is usually more expensive. But if there's some wiggle room with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book a BOI to TRV flight and hotel package?
Compared with arranging hotels and flights separately, booking a BOI to TRV flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place will take the stress out of travel planning. Simply pick your flights and choose from our extensive range of hotels, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Boise Airport (BOI) to Trivandrum Intl. Airport (TRV)?
If you reserved your BOI to TRV flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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*Available to One Key members.