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Cheap flights from Portland to Thiruvananthapuram from ₹ 52,698

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — TRV
4 Apr — 11 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portland to Trivandrum

Enter your travel dates to find the best prices.

Cheapest flights from Portland to Trivandrum
Explore the most affordable flight options available from Portland to Trivandrum. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 March 2026.

Tue 25/821:50
PDX
-
TRV
2 stops33h 25m
Multiple Airlines
Tue 15/920:30
TRV
-
PDX
2 stops36h 48m
Multiple Airlines
Deal found 2/3₹ 81,166
Tue 25/821:50
PDX
-
TRV
2 stops33h 25m
Multiple Airlines
Thu 17/909:30
TRV
-
PDX
2 stops47h 48m
Multiple Airlines
Deal found 2/3₹ 81,903
Tue 25/821:50
PDX
-
TRV
2 stops33h 25m
Multiple Airlines
Fri 18/909:30
TRV
-
PDX
2 stops47h 48m
Multiple Airlines
Deal found 2/3₹ 83,100
Sun 23/821:50
PDX
-
TRV
2 stops33h 25m
Multiple Airlines
Fri 18/909:30
TRV
-
PDX
2 stops47h 48m
Multiple Airlines
Deal found 1/3₹ 84,022
Sat 29/821:50
PDX
-
TRV
2 stops33h 25m
Multiple Airlines
Thu 17/909:30
TRV
-
PDX
2 stops47h 48m
Multiple Airlines
Deal found 2/3₹ 86,693
Sat 29/821:50
PDX
-
TRV
2 stops33h 25m
Multiple Airlines
Fri 18/909:30
TRV
-
PDX
2 stops47h 48m
Multiple Airlines
Deal found 2/3₹ 87,891
Mon 24/821:50
PDX
-
TRV
2 stops33h 25m
Multiple Airlines
Sat 19/911:15
TRV
-
PDX
3 stops39h 05m
Multiple Airlines
Deal found 1/3₹ 89,734
Thu 27/821:50
PDX
-
TRV
2 stops33h 25m
Multiple Airlines
Wed 16/920:30
TRV
-
PDX
2 stops36h 48m
Multiple Airlines
Deal found 2/3₹ 90,286
Tue 25/821:50
PDX
-
TRV
3 stops39h 10m
Multiple Airlines
Wed 16/920:30
TRV
-
PDX
2 stops36h 48m
Multiple Airlines
Deal found 2/3₹ 90,471
Sun 23/821:50
PDX
-
TRV
2 stops33h 25m
Multiple Airlines
Sat 19/911:15
TRV
-
PDX
3 stops39h 05m
Multiple Airlines
Deal found 1/3₹ 90,655
Thu 27/821:50
PDX
-
TRV
2 stops33h 25m
Multiple Airlines
Thu 17/920:30
TRV
-
PDX
2 stops36h 48m
Multiple Airlines
Deal found 2/3₹ 91,023

Find flight deals from Portland to Trivandrum

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Trivandrum (TRV). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 5 March 2026.

Round-trip from

₹ 81,166

One-way from

₹ 52,698
25/8-15/9
  • 25/8-15/9
  • 4 total stops
  • 70h 13m total
  • Portland to Thiruvananthapuram
Search Deals
19/5
  • 19/5
  • 3 total stops
  • 52h 24m total
  • Portland to Thiruvananthapuram
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portland to Trivandrum that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 5 March 2026.
Use the filters below to find and compare flights from Portland to Thiruvananthapuram that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandThiruvananthapuram

PDX - TRV

PDXTRV

Portland

Tue 25/8

21:50-19:45

2 stops33h 25m

Thiruvananthapuram

Mon 14/9

11:15-13:50

3 stops39h 05m

₹ 93,603

PortlandThiruvananthapuram

PDX - TRV

PDXTRV

Portland

Sat 29/8

21:50-19:45

2 stops33h 25m

Thiruvananthapuram

Thu 17/9

11:15-13:50

3 stops39h 05m

₹ 96,367

PortlandThiruvananthapuram

PDX - TRV

PDXTRV

Portland

Mon 24/8

21:50-19:45

2 stops33h 25m

Thiruvananthapuram

Thu 17/9

11:15-13:50

3 stops39h 05m

₹ 97,564

PortlandThiruvananthapuram

PDX - TRV

PDXTRV

Portland

Fri 28/8

21:50-19:45

2 stops33h 25m

Thiruvananthapuram

Sat 19/9

11:15-13:50

3 stops39h 05m

₹ 100,236
Fastest return journey

PortlandThiruvananthapuram

PDX - TRV

PDXTRV

Portland

Mon 6/4

13:05-07:45

2 stops30h 10m

Thiruvananthapuram

Mon 20/4

16:50-11:10

2 stops30h 50m

₹ 105,856

PortlandThiruvananthapuram

PDX - TRV

PDXTRV

Portland

Fri 28/8

21:50-19:45

2 stops33h 25m

Thiruvananthapuram

Thu 17/9

11:15-13:50

3 stops39h 05m

₹ 108,067

PortlandThiruvananthapuram

PDX - TRV

PDXTRV

Portland

Sun 15/3

07:05-03:00

2 stops31h 25m

Thiruvananthapuram

Mon 30/3

04:45-13:50

2 stops45h 35m

₹ 130,178

PortlandThiruvananthapuram

PDX - TRV

PDXTRV

Portland

Mon 6/4

15:15-08:45

3 stops53h 00m

Thiruvananthapuram

Mon 20/4

20:30-18:30

3 stops34h 30m

₹ 202,591

PortlandThiruvananthapuram

PDX - TRV

PDXTRV

Portland

Wed 26/8

15:25-08:45

3 stops52h 50m

Thiruvananthapuram

Wed 16/9

20:30-19:06

3 stops35h 06m

₹ 215,305
Cheapest one-way

PortlandThiruvananthapuram

PDX - TRV

PDXTRV

Portland

Sun 24/5

07:00-10:25

3 stops38h 55m

₹ 64,306

Flights are sorted by cheapest return flights first.

Deals found on 4/3

Showing 1-10 of 14 resultsSorted by cheapest first
1
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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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Portland to Trivandrum. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portland to Thiruvananthapuram?

    KLM can get you from Portland to Thiruvananthapuram in just under 30h 10m. Your travel time can differ by up to . There are 13686 km between Portland and Thiruvananthapuram.

  • 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 holiday 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.

See more FAQs

Travelling to a place near Thiruvananthapuram?

Book flights to Thiruvananthapuram if you plan to visit one of these locations
Varkala
Kovalam
Poovar

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portland to Trivandrum

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Cochin flights
Portland to Kozhikode flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Portland to Trivandrum?

When you search for this flight from Portland to Trivandrum, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Portland to Trivandrum?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portland to Trivandrum.

Can Cheapflights find flights from Portland to Trivandrum with no change fees?

Need flexible booking options for your flight to Trivandrum from Portland? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Portland to Trivandrum become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Trivandrum from Portland today and book when prices fit your budget.

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