$415 Cheap Flights from Washington (IAD) to Thiruvananthapuram (TRV)

View $415 flight on Thu, Jan 29, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Trivandrum Intl. Airport (TRV)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Washington to Thiruvananthapuram (IAD-TRV)

Prices were available within the past 7 days and start at $415 for one-way flights and $840 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Thu, Jan 29 - Wed, Feb 4
IAD
Washington
TRV
Thiruvananthapuram
$840 Roundtrip, just found
$840
Roundtrip
just found
Select Lufthansa flight, departing Thu, Jan 29 from Washington to Thiruvananthapuram, returning Wed, Feb 4, priced at $840 just found
Lufthansa
Wed, Mar 4 - Sat, Mar 14
IAD
Washington
TRV
Thiruvananthapuram
$842 Roundtrip, found 3 days ago
$842
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Wed, Mar 4 from Washington to Thiruvananthapuram, returning Sat, Mar 14, priced at $842 found 3 days ago
Lufthansa
Thu, Jan 29 - Wed, Feb 4
IAD
Washington
TRV
Thiruvananthapuram
$852 Roundtrip, just found
$852
Roundtrip
just found
Select Lufthansa flight, departing Thu, Jan 29 from Washington to Thiruvananthapuram, returning Wed, Feb 4, priced at $852 just found
Lufthansa
Fri, Mar 13 - Sat, Apr 18
IAD
Washington
TRV
Thiruvananthapuram
$855 Roundtrip, found 2 hours ago
$855
Roundtrip
found 2 hours ago
Select Lufthansa flight, departing Fri, Mar 13 from Washington to Thiruvananthapuram, returning Sat, Apr 18, priced at $855 found 2 hours ago
Lufthansa
Thu, Jan 29 - Wed, Feb 4
IAD
Washington
TRV
Thiruvananthapuram
$862 Roundtrip, just found
$862
Roundtrip
just found
Select Lufthansa flight, departing Thu, Jan 29 from Washington to Thiruvananthapuram, returning Wed, Feb 4, priced at $862 just found
Etihad Airways
Sun, Nov 30 - Sun, Dec 14
IAD
Washington
TRV
Thiruvananthapuram
$862 Roundtrip, found 6 hours ago
$862
Roundtrip
found 6 hours ago
Select Etihad Airways flight, departing Sun, Nov 30 from Washington to Thiruvananthapuram, returning Sun, Dec 14, priced at $862 found 6 hours ago
Lufthansa
Sat, Mar 7 - Sat, Mar 14
IAD
Washington
TRV
Thiruvananthapuram
$863 Roundtrip, found 2 days ago
$863
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Mar 7 from Washington to Thiruvananthapuram, returning Sat, Mar 14, priced at $863 found 2 days ago
Qatar Airways
Mon, Feb 9 - Tue, Mar 10
IAD
Washington
TRV
Thiruvananthapuram
$946 Roundtrip, found 11 hours ago
$946
Roundtrip
found 11 hours ago
Select Qatar Airways flight, departing Mon, Feb 9 from Washington to Thiruvananthapuram, returning Tue, Mar 10, priced at $946 found 11 hours ago
Oman Air
Sat, Feb 21 - Sat, Mar 7
IAD
Washington
TRV
Thiruvananthapuram
$1,067 Roundtrip, found 6 hours ago
$1,067
Roundtrip
found 6 hours ago
Select Oman Air flight, departing Sat, Feb 21 from Washington to Thiruvananthapuram, returning Sat, Mar 7, priced at $1,067 found 6 hours ago
Emirates
Wed, Dec 31 - Sun, Jan 25
IAD
Washington
TRV
Thiruvananthapuram
$1,077 Roundtrip, found 3 hours ago
$1,077
Roundtrip
found 3 hours ago
Select Emirates flight, departing Wed, Dec 31 from Washington to Thiruvananthapuram, returning Sun, Jan 25, priced at $1,077 found 3 hours ago

Find the cheapest month to fly from Washington (IAD) to Thiruvananthapuram (TRV)

March is typically the cheapest month to fly

From $801 - $1,046 per traveler.

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 $1,238
TRV
Trivandrum Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $1,238

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Trivandrum Intl. Airport (TRV) cost?
Get a cheap one-way flight from $415 or cheap return flight from $840 from Washington Dulles Intl. Airport (IAD) to Trivandrum Intl. Airport (TRV) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Trivandrum Intl. Airport (TRV)?
January is the least expensive month to fly from IAD to TRV. Planning your trip for the off-season is often the key to scoring lower fares.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Trivandrum Intl. Airport (TRV)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest IAD to TRV flight.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Trivandrum Intl. Airport (TRV)?
There are no daily direct flights from Washington Dulles Intl. Airport (IAD) to Trivandrum Intl. Airport (TRV). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from IAD to TRV?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on a range of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Trivandrum Intl. Airport (TRV)?
Choose a flight from Washington Dulles Intl. Airport (IAD) to Trivandrum Intl. Airport (TRV) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**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 Washington Dulles Intl. Airport (IAD) to Trivandrum Intl. Airport (TRV) last-minute?
Holding off until just before your departure to book a flight from IAD to TRV generally means paying more. While you may come across some last-minute deals, they aren't always guaranteed. Be flexible with your travel plans for the best chance of scoring a bargain.
Is it cheaper to book an IAD to TRV flight and hotel package?
Compared with arranging flights and hotels separately, booking an IAD to TRV flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place will take the stress out of travel planning. Just pick your flights and choose from our extensive range of hotels, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Trivandrum Intl. Airport (TRV)?
It's generally possible to cancel or reschedule your IAD to TRV flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Trivandrum Intl.
Airlines serving
Air France, British Airways, Emirates, Etihad Airways, Gulf Air, KLM, Lufthansa, Malaysia Airlines, Oman Air, Qatar Airways, SriLankan Airlines, Virgin Atlantic
Roundtrip price
$840
Distance
8769 mi

Book with confidence

Washington to Thiruvananthapuram Flights

The cheapest times to fly from Washington 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 Washington to Thiruvananthapuram are during the month of January. You can find some of the cheapest flights from Washington to Thiruvananthapuram with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Thiruvananthapuram

Sunday is one of the best days to book for cheap flights from Washington 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 Washington 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 Washington to Thiruvananthapuram in 2025. You can also book with separate airlines for your outbound and return journeys, from $415 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 Washington 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 Washington 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.

 

Washington to Thiruvananthapuram Flights

Explore a world of travel with Expedia

*Available to One Key members.