How long is the flight from Illinois to Thiruvananthapuram?

Qatar Airways and Etihad Airways can get you from Illinois to Thiruvananthapuram in just under 19h 10m. Your travel time can differ by up to 45m. Illinois and Thiruvananthapuram are separated by a distance of 14185 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in Thiruvananthapuram ranges from 22.0 - 344.0 inches per month. June is typically the wettest month, when rainfall can reach 344.0 mm. February is typically the driest time to visit Thiruvananthapuram when rainfall is around 22.0 mm.

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 29.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 26.0 C).

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

When flying from Illinois 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.

What airport do you fly into for flights to Thiruvananthapuram from Illinois?

For a flight from Illinois to Thiruvananthapuram, you will be flying into Thiruvananthapuram. Thiruvananthapuram (TRV) is just 3.2 km from the centre of the city.

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

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

How can I find direct flights from Illinois to Trivandrum?

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

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

Yes. Cheapflights offers flight deals from Illinois 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.

₹ 49,907+ Cheap Flights from Illinois to Thiruvananthapuram

Cheap flight deals from Illinois to Trivandrum

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Illinois to Trivandrum
Explore the most affordable flight options available from Illinois to Trivandrum. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Mon 23/1118:50 -

2 stops49h 25m

Tue 16/208:35 -

2 stops42h 00m

Deal found 7/9₹ 90,214

Wed 7/1014:00 -

3 stops32h 10m

Wed 14/1007:05 -

2 stops36h 00m

Deal found 9/9₹ 90,784

Wed 7/1020:25 -

1 stop19h 55m

Wed 14/1021:50 -

1 stop21h 15m

Deal found 9/9₹ 94,301

Tue 20/1020:25 -

1 stop37h 20m

Tue 27/1021:40 -

1 stop21h 45m

Deal found 5/9₹ 95,822

Thu 31/1220:20 -

1 stop36h 10m

Sun 24/104:10 -

1 stop39h 15m

Deal found 6/9₹ 96,012

Wed 28/1014:10 -

1 stop26h 20m

Thu 12/1104:10 -

1 stop39h 15m

Deal found 6/9₹ 96,773

Thu 31/1213:10 -

1 stop19h 20m

Thu 21/121:40 -

1 stop21h 45m

Deal found 6/9₹ 96,963

Wed 28/1019:50 -

2 stops49h 25m

Fri 13/1108:35 -

2 stops42h 00m

Deal found 6/9₹ 97,914

Mon 23/1118:50 -

2 stops49h 25m

Wed 17/208:35 -

2 stops41h 25m

Deal found 7/9₹ 98,579

Mon 21/906:30 -

2 stops33h 15m

Sun 18/1003:45 -

2 stops30h 27m

Deal found 8/9₹ 119,873

Sun 20/914:11 -

2 stops25h 34m

Mon 19/1003:45 -

2 stops26h 33m

Deal found 8/9₹ 120,063

Tue 29/907:27 -

2 stops32h 18m

Mon 26/1003:45 -

2 stops26h 33m

Deal found 8/9₹ 122,059

Best flights from Illinois to Trivandrum
Discover carefully curated flight deals from Illinois to Trivandrum that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Mon 8/218:50 -

1 stop19h 55m

Thu 11/203:45 -

1 stop22h 15m

Deal found 9/9₹ 106,849

Sat 2/120:20 -

1 stop19h 10m

Sat 23/104:10 -

1 stop39h 15m

Deal found 8/9₹ 107,705

Sun 3/118:50 -

2 stops25h 25m

Sat 23/108:35 -

2 stops42h 00m

Deal found 9/9₹ 117,211

Sun 1/1112:45 -

2 stops43h 35m

Mon 16/1111:05 -

2 stops42h 45m

Deal found 8/9₹ 121,679

Thu 31/1220:20 -

1 stop36h 10m

Thu 21/104:10 -

2 stops25h 03m

Deal found 6/9₹ 112,458

Sun 1/1119:06 -

2 stops43h 39m

Fri 20/1103:45 -

2 stops29h 59m

Deal found 6/9₹ 124,531

Thu 31/1211:45 -

2 stops33h 30m

Sun 24/111:05 -

2 stops42h 45m

Deal found 9/9₹ 125,957

Fri 1/120:20 -

1 stop36h 10m

Sun 24/104:10 -

2 stops25h 03m

Deal found 5/9₹ 116,260

Wed 23/912:46 -

2 stops26h 59m

Tue 20/1003:45 -

2 stops27h 42m

Deal found 8/9₹ 128,619

Mon 4/113:10 -

1 stop19h 20m

Sun 24/121:40 -

2 stops31h 33m

Deal found 6/9₹ 117,211

Mon 28/908:54 -

2 stops30h 51m

Tue 27/1003:45 -

2 stops28h 03m

Deal found 8/9₹ 128,619

Wed 21/1011:31 -

2 stops28h 14m

Mon 9/1103:45 -

2 stops26h 02m

Deal found 8/9₹ 128,619

Sun 27/914:11 -

2 stops25h 34m

Wed 30/903:45 -

2 stops27h 29m

Deal found 9/9₹ 128,619

Tue 29/913:25 -

2 stops26h 20m

Thu 22/1003:45 -

2 stops27h 42m

Deal found 8/9₹ 128,619

Sat 26/913:49 -

2 stops25h 56m

Tue 27/1003:45 -

2 stops31h 04m

Deal found 8/9₹ 132,421

Fri 18/914:11 -

2 stops25h 34m

Tue 20/1003:45 -

2 stops28h 44m

Deal found 8/9₹ 132,421

Tue 29/905:00 -

2 stops34h 45m

Sat 24/1003:45 -

2 stops31h 04m

Deal found 8/9₹ 132,421

Find flight deals from Illinois to Trivandrum

Round-trip from	₹ 90,214
One-way from	₹ 49,907
Popular in	January
Cheapest in	March
Average price	₹ 112,838

Oman Air
23/11-16/2
4 total stops
91h 25m total
Illinois to Thiruvananthapuram

Search Deals

11/11-31/12
2 total stops
35h 25m total
Illinois to Thiruvananthapuram

Search Deals

Highest demand for flights based on searches. 20% potential increase in price (₹ 3,402,716 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (₹ 801,199 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Thiruvananthapuram that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoThiruvananthapuram

ORD Chicago O'Hare Intl - TRV Thiruvananthapuram

ORDTRV

Chicago O'Hare Intl

Mon 16/11

18:50-19:45

2 stops37h 25m

Thiruvananthapuram

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 50,668

ChicagoThiruvananthapuram

ORD Chicago O'Hare Intl - TRV Thiruvananthapuram

ORDTRV

Chicago O'Hare Intl

Sat 26/9

14:00-08:40

3 stops32h 10m

Thiruvananthapuram

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 54,565

ChicagoThiruvananthapuram

ORD Chicago O'Hare Intl - TRV Thiruvananthapuram

ORDTRV

Chicago O'Hare Intl

Sat 26/9

20:25-20:15

1 stop37h 20m

Thiruvananthapuram

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 56,181

St. LouisThiruvananthapuram

STL Lambert-St Louis - TRV Thiruvananthapuram

STLTRV

Lambert-St Louis

Wed 7/10

14:29-22:45

3 stops45h 46m

Thiruvananthapuram

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 56,562

ChicagoThiruvananthapuram

ORD Chicago O'Hare Intl - TRV Thiruvananthapuram

ORDTRV

Chicago O'Hare Intl

Mon 23/11

18:50-07:45

2 stops49h 25m

Thiruvananthapuram

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 57,037

ChicagoThiruvananthapuram

ORD Chicago O'Hare Intl - TRV Thiruvananthapuram

ORDTRV

Chicago O'Hare Intl

Tue 24/11

11:45-19:50

2 stops44h 35m

Thiruvananthapuram

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 58,558

ChicagoThiruvananthapuram

ORD Chicago O'Hare Intl - TRV Thiruvananthapuram

ORDTRV

Chicago O'Hare Intl

Tue 10/11

11:45-19:50

2 stops44h 35m

Thiruvananthapuram

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 58,558

ChicagoThiruvananthapuram

ORD Chicago O'Hare Intl - TRV Thiruvananthapuram

ORDTRV

Chicago O'Hare Intl

Sat 21/11

11:45-08:45

2 stops33h 30m

Thiruvananthapuram

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 62,360

ChicagoThiruvananthapuram

ORD Chicago O'Hare Intl - TRV Thiruvananthapuram

ORDTRV

Chicago O'Hare Intl

Wed 18/11

21:50-07:45

2 stops46h 25m

Thiruvananthapuram

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 62,456

ChicagoThiruvananthapuram

ORD Chicago O'Hare Intl - TRV Thiruvananthapuram

ORDTRV

Chicago O'Hare Intl

Tue 3/11

07:15-12:20

3 stops41h 35m

Thiruvananthapuram

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 62,551

Flights are sorted by cheapest return flights first.

Deals found on 6/9

Showing 1-10 of 31 resultsSorted by cheapest first

Best time to book a flight from Illinois to Trivandrum

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

ORD-TRV

STL-TRV

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.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Thiruvananthapuram

USIL-TRV

ORD-TRV

STL-TRV

What is the cheapest month to book a flight from Illinois to Thiruvananthapuram?

Currently, February is the cheapest month in which you can book a flight from Illinois to Thiruvananthapuram (average of ₹ 105,328). Flying from Illinois to Thiruvananthapuram in December is currently the most expensive (average of ₹ 162,175). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Illinois to Thiruvananthapuram?

Airfare is below average for this route at the moment.

Illinois to Thiruvananthapuram flights typically cost between ₹ 108,751 and ₹ 116,736 in November.
The cheapest return price found within the last 5 days was ₹ 90,214 on Oman Air (23 Nov–16 Feb).

Related info for your journey

What airport do you fly into for flights to Thiruvananthapuram from Illinois?
For a flight from Illinois to Thiruvananthapuram, you will be flying into Thiruvananthapuram. Thiruvananthapuram (TRV) is just 3.2 km from the centre of the city.
How long is the flight from Illinois to Thiruvananthapuram?
Qatar Airways and Etihad Airways can get you from Illinois to Thiruvananthapuram in just under 19h 10m. Your travel time can differ by up to 45m. Illinois and Thiruvananthapuram are separated by a distance of 14185 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
Can I find deals for flights from Illinois to Trivandrum that include hotel bookings?
Yes. In addition to deals on Illinois to Trivandrum flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Illinois to Trivandrum?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Trivandrum.
Can I find deals for business class flights from Illinois to Trivandrum?
Yes. Cheapflights offers flight deals from Illinois 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.
What is the cheapest month to book a flight from Illinois to Thiruvananthapuram?
Currently, February is the cheapest month in which you can book a flight from Illinois to Thiruvananthapuram (average of ₹ 105,328). Flying from Illinois to Thiruvananthapuram in December is currently the most expensive (average of ₹ 162,175). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Illinois to Trivandrum. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

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

Certainly. Search results for flights to Trivandrum from Illinois shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

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Cheap flights from Illinois to Thiruvananthapuram from ₹ 49,907

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Illinois to Trivandrum

Cheapest flights from Illinois to TrivandrumExplore the most affordable flight options available from Illinois to Trivandrum. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Explore the most affordable flight options available from Illinois to Trivandrum. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Best flights from Illinois to TrivandrumDiscover carefully curated flight deals from Illinois to Trivandrum that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Discover carefully curated flight deals from Illinois to Trivandrum that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Last-minute flights from Illinois to TrivandrumDiscover last-minute flight deals from Illinois to Trivandrum. Data last updated 10 September 2026 and is based on user searches.

Discover last-minute flight deals from Illinois to Trivandrum. Data last updated 10 September 2026 and is based on user searches.

One-way flights from Illinois to TrivandrumSearch for one-way flight options from Illinois to Trivandrum. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Search for one-way flight options from Illinois to Trivandrum. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Find flight deals from Illinois to Trivandrum

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Thiruvananthapuram that are best for you.

Best time to book a flight from Illinois to Trivandrum

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

Cheapflights Insights

What is the cheapest month to book a flight from Illinois to Thiruvananthapuram?

How much does it cost for a return flight from Illinois to Thiruvananthapuram?

Airfare is below average for this route at the moment.

Illinois to Thiruvananthapuram flights typically cost between ₹ 108,751 and ₹ 116,736 in November.The cheapest return price found within the last 5 days was ₹ 90,214 on Oman Air (23 Nov–16 Feb).

Related info for your journey

What airport do you fly into for flights to Thiruvananthapuram from Illinois?

How long is the flight from Illinois to Thiruvananthapuram?

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

How can I find direct flights from Illinois to Trivandrum?

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

What is the cheapest month to book a flight from Illinois to Thiruvananthapuram?

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

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Cheapest flights from Illinois to Trivandrum
Explore the most affordable flight options available from Illinois to Trivandrum. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Best flights from Illinois to Trivandrum
Discover carefully curated flight deals from Illinois to Trivandrum that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Last-minute flights from Illinois to Trivandrum
Discover last-minute flight deals from Illinois to Trivandrum. Data last updated 10 September 2026 and is based on user searches.

One-way flights from Illinois to Trivandrum
Search for one-way flight options from Illinois to Trivandrum. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Illinois to Thiruvananthapuram flights typically cost between ₹ 108,751 and ₹ 116,736 in November.
The cheapest return price found within the last 5 days was ₹ 90,214 on Oman Air (23 Nov–16 Feb).