How long is the flight from Thiruvananthapuram to Illinois?

Departing from Thiruvananthapuram to Illinois will take you 21h 55m. Airlines will cover a distance of 14185 km.

In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

If weather is an important factor for your trip to Illinois, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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

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

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

Thiruvananthapuram (TRV), located 3.2 km from the city centre, is the airport you fly out of when you book flights from Thiruvananthapuram to Illinois.

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

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

How can I find direct flights from Trivandrum to Illinois?

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

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

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

₹ 50,101+ Cheap Flights from Thiruvananthapuram to Illinois

Cheap flight deals from Trivandrum to Illinois

Enter your travel dates to find the best prices.

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Best

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Cheapest flights from Trivandrum to Illinois
Explore the most affordable flight options available from Trivandrum to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2026.

Wed 30/904:15 -

1 stop21h 55m

Sun 4/1014:00 -

1 stop19h 45m

Deal found 9/9₹ 98,482

Mon 28/921:50 -

1 stop21h 15m

Tue 19/120:20 -

1 stop36h 10m

Deal found 7/9₹ 98,864

Thu 17/904:15 -

1 stop39h 35m

Fri 23/1014:00 -

1 stop19h 45m

Deal found 9/9₹ 99,055

Mon 28/921:50 -

1 stop21h 15m

Sat 16/113:10 -

1 stop26h 20m

Deal found 7/9₹ 99,438

Fri 25/904:15 -

1 stop21h 55m

Wed 27/113:10 -

1 stop19h 20m

Deal found 7/9₹ 99,533

Thu 15/1004:15 -

1 stop21h 55m

Mon 19/1014:00 -

1 stop26h 20m

Deal found 9/9₹ 99,629

Mon 28/908:35 -

2 stops42h 05m

Mon 18/118:50 -

2 stops49h 25m

Deal found 7/9₹ 99,725

Fri 25/904:15 -

1 stop21h 55m

Sun 17/113:10 -

1 stop26h 20m

Deal found 7/9₹ 100,011

Mon 21/921:50 -

1 stop21h 15m

Sat 26/914:00 -

1 stop19h 45m

Deal found 7/9₹ 100,107

Mon 28/908:35 -

2 stops42h 05m

Tue 19/118:50 -

2 stops25h 25m

Deal found 7/9₹ 103,167

Find flight deals from Trivandrum to Illinois

Round-trip from	₹ 98,482
One-way from	₹ 50,101

Etihad Airways
30/9-4/10
2 total stops
41h 40m total
Thiruvananthapuram to Illinois

Search Deals

30/9-31/12
2 total stops
33h 55m total
Thiruvananthapuram to Illinois

Search Deals

Cheapflights Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

ThiruvananthapuramChicago

TRV Thiruvananthapuram - ORD Chicago O'Hare Intl

TRVORD

Thiruvananthapuram

Wed 30/9

09:10-08:35

2 stops33h 55m

Chicago O'Hare Intl

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 50,101

ThiruvananthapuramChicago

TRV Thiruvananthapuram - ORD Chicago O'Hare Intl

TRVORD

Thiruvananthapuram

Fri 23/10

07:05-08:55

2 stops60h 20m

Chicago O'Hare Intl

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 50,771

ThiruvananthapuramChicago

TRV Thiruvananthapuram - ORD Chicago O'Hare Intl

TRVORD

Thiruvananthapuram

Fri 23/10

04:15-08:35

1 stop38h 50m

Chicago O'Hare Intl

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 52,492

Fastest return journey

ThiruvananthapuramChicago

TRV Thiruvananthapuram - ORD Chicago O'Hare Intl

TRVORD

Thiruvananthapuram

Sat 24/10

21:50-08:55

1 stop21h 35m

Chicago O'Hare Intl

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 53,257

ThiruvananthapuramChicago

TRV Thiruvananthapuram - ORD Chicago O'Hare Intl

TRVORD

Thiruvananthapuram

Fri 23/10

03:45-05:40

2 stops36h 25m

Chicago O'Hare Intl

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 68,363

ThiruvananthapuramChicago

TRV Thiruvananthapuram - ORD Chicago O'Hare Intl

TRVORD

Thiruvananthapuram

Sat 24/10

03:45-09:05

2 stops39h 50m

Chicago O'Hare Intl

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 86,052

ThiruvananthapuramChicago

TRV Thiruvananthapuram - ORD Chicago O'Hare Intl

TRVORD

Thiruvananthapuram

Thu 15/10

04:15-15:40

1 stop21h 55m

Chicago O'Hare Intl

Mon 19/10

14:00-02:50

1 stop26h 20m

₹ 99,629

ThiruvananthapuramChicago

TRV Thiruvananthapuram - ORD Chicago O'Hare Intl

TRVORD

Thiruvananthapuram

Sun 27/9

04:15-15:40

1 stop21h 55m

Chicago O'Hare Intl

Sat 23/1

20:20-03:00

1 stop19h 10m

₹ 100,011

ThiruvananthapuramChicago

TRV Thiruvananthapuram - ORD Chicago O'Hare Intl

TRVORD

Thiruvananthapuram

Mon 19/10

03:45-15:05

1 stop21h 50m

Chicago O'Hare Intl

Mon 18/1

18:50-02:15

1 stop19h 55m

₹ 104,888

ThiruvananthapuramChicago

TRV Thiruvananthapuram - ORD Chicago O'Hare Intl

TRVORD

Thiruvananthapuram

Tue 20/10

18:10-15:40

3 stops32h 00m

Chicago O'Hare Intl

Mon 18/1

13:10-07:25

3 stops30h 45m

₹ 107,756

Flights are sorted by cheapest return flights first.

Deals found on 9/9

Showing 1-10 of 19 resultsSorted by cheapest first

Best time to book a flight from Trivandrum to Illinois

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

TRV-ORD

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.

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

TRV-USIL

TRV-ORD

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly from for flights from Thiruvananthapuram to Illinois?
Thiruvananthapuram (TRV), located 3.2 km from the city centre, is the airport you fly out of when you book flights from Thiruvananthapuram to Illinois.
How long is the flight from Thiruvananthapuram to Illinois?
Departing from Thiruvananthapuram to Illinois will take you 21h 55m. Airlines will cover a distance of 14185 km.
Can I find deals for flights from Trivandrum to Illinois that include hotel bookings?
Yes. In addition to deals on Trivandrum to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Trivandrum to Illinois?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trivandrum to Illinois.
Can I find deals for business class flights from Trivandrum to Illinois?
Yes. Cheapflights offers flight deals from Trivandrum to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheap flights from Thiruvananthapuram to Illinois from ₹ 50,101

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Trivandrum to Illinois

Cheapest flights from Trivandrum to IllinoisExplore the most affordable flight options available from Trivandrum to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2026.

Explore the most affordable flight options available from Trivandrum to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2026.

Best flights from Trivandrum to IllinoisDiscover carefully curated flight deals from Trivandrum to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Discover carefully curated flight deals from Trivandrum to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Last-minute flights from Trivandrum to IllinoisDiscover last-minute flight deals from Trivandrum to Illinois. Data last updated 12 September 2026 and is based on user searches.

Discover last-minute flight deals from Trivandrum to Illinois. Data last updated 12 September 2026 and is based on user searches.

One-way flights from Trivandrum to IllinoisSearch for one-way flight options from Trivandrum to Illinois. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.

Search for one-way flight options from Trivandrum to Illinois. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.

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Best time to book a flight from Trivandrum to Illinois

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Related info for your journey

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

How long is the flight from Thiruvananthapuram to Illinois?

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

How can I find direct flights from Trivandrum to Illinois?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Trivandrum to Illinois

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Complete your trip

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Cheapest flights from Trivandrum to Illinois
Explore the most affordable flight options available from Trivandrum to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2026.

Best flights from Trivandrum to Illinois
Discover carefully curated flight deals from Trivandrum to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Last-minute flights from Trivandrum to Illinois
Discover last-minute flight deals from Trivandrum to Illinois. Data last updated 12 September 2026 and is based on user searches.

One-way flights from Trivandrum to Illinois
Search for one-way flight options from Trivandrum to Illinois. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.