How long is the flight from Thiruvananthapuram to Seattle?

Departing from Thiruvananthapuram to Seattle will take you 21h 25m. The distance between Thiruvananthapuram and Seattle is about 8391 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

What is the cheapest time of day to fly from TRV to SEA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Thiruvananthapuram to Seattle as you normally would.

Most accurate provider : When it comes to deals on Thiruvananthapuram-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Thiruvananthapuram-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Thiruvananthapuram-Seattle flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Thiruvananthapuram-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Thiruvananthapuram-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Trivandrum to Seattle that include hotel bookings?

Yes. In addition to deals on Trivandrum to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Trivandrum to Seattle?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trivandrum to Seattle.

Can I find deals for business class flights from Trivandrum to Seattle?

Yes. Cheapflights offers flight deals from Trivandrum to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,144+ Cheap Flights from Thiruvananthapuram to Seattle

Q: How much does it cost to fly round-trip from Thiruvananthapuram to Seattle?

Airfare is below average for this route at the moment. Thiruvananthapuram to Seattle flights typically cost between $1,322 and $1,359 in March. The cheapest round-trip price found within the last 3 days was $1,051 on Oman Air (Mar 25-Mar 29).

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Cheap flight deals from Trivandrum to Seattle

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 1 star
Round-trip from	$1,051 (Oman Air)
Popular in	September
Cheapest in	April
Average price	$1,324

Provider with most accurate pricing for Thiruvananthapuram-Seattle/Tacoma Intl flight deals.

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Provider most trusted by Cheapflights users for Thiruvananthapuram-Seattle/Tacoma Intl flights.

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From Thiruvananthapuram to Seattle/Tacoma Intl

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Highest demand for flights based on searches. 8% potential increase in price ($127 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average RT price).

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Average for round-trip flights in November 2025

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Find flight deals from Trivandrum to Seattle

Best flights from Trivandrum to Seattle
Discover carefully curated flight deals from Trivandrum to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 13, 2025.

Wed 3/258:35 amTRV - SEA

2 stops40h 35mOman Air

Sun 3/294:30 pmSEA - TRV

2 stops50h 45mOman Air

Deal found 11/12

$1,144

Wed 3/2511:15 pmTRV - SEA

1 stop21h 25mSingapore Airlines

Sun 3/2910:15 amSEA - TRV