In terms of precipitation, rainfall in Thiruvananthapuram ranges from 0.9 - 13.5 inches per month. June is typically the wettest month, when rainfall can reach 13.5 in. January is typically the driest time to visit Thiruvananthapuram when rainfall is around 0.9 in.

If weather is an important factor for your trip to Thiruvananthapuram, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 78.8 F).

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

When flying from Portland to Thiruvananthapuram, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

How can I find direct flights from Portland to Trivandrum?

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

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

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

Find Cheap Flights from Portland to Thiruvananthapuram

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Best time to book a flight from Portland to Trivandrum

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PDX-TRV

Estimated round-trip price

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Reviews of airlines servicing Trivandrum

Read reviews from past customers who have flown Qatar Airways from Portland to Thiruvananthapuram. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Qatar Airways

7.3

Good

3,731 reviews

Reviews

1 / 20

4.0

Okay

Janak,Oct 2023

DOH - AMD

Disaster boarding process. No gates. No annoncement for boarding process. Waiting area seats were full no seats available. 787 dream liner step up to entrance door. Not acceptable for physically poor but normal people.

Qatar Airways

7.3

Good

3,731 reviews

Qatar Airways

7.3

Good

3,731 reviews

Reviews

1 / 20

4.0

Okay

Janak,Oct 2023

DOH - AMD

Related info for your journey

Can I find deals for flights from Portland to Trivandrum that include hotel bookings?
Yes. In addition to deals on Portland to Trivandrum flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portland to Trivandrum?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Trivandrum.
Can I find deals for business class flights from Portland to Trivandrum?
Yes. Cheapflights offers flight deals from Portland to Trivandrum by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Varkala

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Portland to Cochin flights

Top airline flying from Portland to Trivandrum

Airline	Cheapest	Average	Flexibility	On-time
Qatar Airways	Cheapest$1,369	Average$1,523	FlexibilityNo cancel fee	On-time68%

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Find cheap flights from Portland to Trivandrum with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Best time to book a flight from Portland to Trivandrum

Have a flexible travel schedule? Discover the best time to fly to Trivandrum from Portland with our price prediction graph.

Reviews of airlines servicing Trivandrum

Read reviews from past customers who have flown Qatar Airways from Portland to Thiruvananthapuram. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How can I find direct flights from Portland to Trivandrum?

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

Traveling to a place near Thiruvananthapuram?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Trivandrum

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Trivandrum by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Portland to Trivandrum by cabin class

Find flights from Portland to Trivandrum, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Portland and Trivandrum flights

Browse other Portland and Trivandrum flight options. Last updated on September 21, 2026.

Other flights from Portland

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Other flights to Trivandrum

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Top airline flying from Portland to Trivandrum

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Cheap flights from Portland (PDX) to Thiruvananthapuram (TRV)

Find cheap flights from Portland to Trivandrum with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Best time to book a flight from Portland to Trivandrum

Have a flexible travel schedule? Discover the best time to fly to Trivandrum from Portland with our price prediction graph.

Reviews of airlines servicing Trivandrum

Read reviews from past customers who have flown Qatar Airways from Portland to Thiruvananthapuram. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How can I find direct flights from Portland to Trivandrum?

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

Traveling to a place near Thiruvananthapuram?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Trivandrum

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Trivandrum by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Portland to Trivandrum by cabin class

Find flights from Portland to Trivandrum, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Portland and Trivandrum flights

Browse other Portland and Trivandrum flight options. Last updated on September 21, 2026.

Other flights from Portland

Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on September 21, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to Trivandrum

Explore flights to Trivandrum departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 21, 2026.

Top airline flying from Portland to Trivandrum

100% Free

Book with Flexibility

Travel Smart