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Cheap flights from Illinois to Thiruvananthapuram from ₹ 38,033

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TRV
26 Feb — 5 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Trivandrum

Enter your travel dates to find the best prices.

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 27 January 2026.

Mon 2/313:30
ORD
-
TRV
1 stop41h 55m
Air India
Tue 31/319:35
TRV
-
ORD
2 stops26h 05m
Air India
Deal found 25/1₹ 77,074
Tue 3/312:41
ORD
-
TRV
2 stops43h 34m
Multiple Airlines
Sat 14/311:15
TRV
-
ORD
2 stops35h 45m
Multiple Airlines
Deal found 24/1₹ 79,365
Mon 2/313:30
ORD
-
TRV
1 stop24h 30m
Air India
Tue 17/319:35
TRV
-
ORD
2 stops27h 25m
Air India
Deal found 24/1₹ 79,548
Mon 2/313:30
ORD
-
TRV
1 stop24h 30m
Air India
Sun 15/319:35
TRV
-
ORD
2 stops27h 25m
Air India
Deal found 24/1₹ 80,373
Mon 2/313:30
ORD
-
TRV
1 stop24h 30m
Air India
Sat 14/319:35
TRV
-
ORD
2 stops27h 25m
Air India
Deal found 24/1₹ 80,923
Wed 4/313:30
ORD
-
TRV
1 stop33h 25m
Air India
Sun 15/310:45
TRV
-
ORD
3 stops36h 15m
Air India
Deal found 24/1₹ 81,473
Wed 4/313:30
ORD
-
TRV
2 stops44h 50m
Air India
Sat 14/319:35
TRV
-
ORD
2 stops27h 25m
Air India
Deal found 24/1₹ 82,206
Thu 2/414:00
ORD
-
TRV
3 stops31h 15m
Multiple Airlines
Sat 25/410:20
TRV
-
ORD
3 stops35h 20m
Multiple Airlines
Deal found 25/1₹ 82,572
Mon 2/313:30
ORD
-
TRV
1 stop23h 50m
Multiple Airlines
Sat 14/306:25
TRV
-
ORD
3 stops40h 35m
Multiple Airlines
Deal found 24/1₹ 83,031
Mon 16/213:30
ORD
-
TRV
1 stop23h 50m
Multiple Airlines
Wed 25/220:30
TRV
-
ORD
2 stops54h 05m
Multiple Airlines
Deal found 26/1₹ 83,122
Wed 4/313:30
ORD
-
TRV
1 stop24h 30m
Multiple Airlines
Fri 13/320:30
TRV
-
ORD
2 stops30h 05m
Multiple Airlines
Deal found 24/1₹ 83,397
Wed 11/306:00
STL
-
TRV
2 stops33h 55m
Qatar Airways
Tue 17/303:55
TRV
-
STL
2 stops30h 23m
Qatar Airways
Deal found 24/1₹ 111,807

Find flight deals from Illinois to Trivandrum

Keep the following information in mind while searching for Illinois to Trivandrum flight deals. Data was last updated 27 January 2026.

Round-trip from

₹ 77,074

One-way from

₹ 38,033

Popular in

December

Cheapest in

April

Average price

₹ 113,365
Air India
  • Air India
  • 2/3-31/3
  • 3 total stops
  • 68h 00m total
  • Illinois to Thiruvananthapuram
Search Deals
Air India
  • Air India
  • 3/4
  • 2 total stops
  • 42h 55m total
  • Illinois to Thiruvananthapuram
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (₹ 1,916,266 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (₹ 444,793 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Illinois 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 27 January 2026.
Use the filters below to find and compare flights from Illinois to Thiruvananthapuram that are best for you.

Fly from

Illinois

Fly to

Trivandrum

Route

Depart

Return

Price

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Thu 2/4

14:00-01:30

2 stops25h 00m

Thiruvananthapuram

Sat 25/4

12:25-11:10

3 stops33h 15m

₹ 85,230

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Mon 2/3

13:30-10:25

1 stop33h 25m

Thiruvananthapuram

Tue 31/3

05:05-11:10

1 stop40h 35m

₹ 90,729

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Sun 15/2

13:10-03:00

1 stop26h 20m

Thiruvananthapuram

Fri 27/2

21:40-07:35

1 stop21h 25m

₹ 93,387

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Sun 15/2

13:10-03:00

1 stop26h 20m

Thiruvananthapuram

Thu 26/2

21:40-07:35

1 stop21h 25m

₹ 93,387

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Wed 18/2

13:10-03:00

1 stop26h 20m

Thiruvananthapuram

Mon 23/2

04:10-07:35

1 stop38h 55m

₹ 93,387

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Sun 15/2

13:10-03:00

1 stop26h 20m

Thiruvananthapuram

Tue 24/2

21:40-07:35

1 stop21h 25m

₹ 93,387

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Wed 18/2

13:10-20:00

1 stop19h 20m

Thiruvananthapuram

Wed 25/2

04:10-07:35

1 stop38h 55m

₹ 93,387

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Mon 16/2

13:10-20:00

1 stop19h 20m

Thiruvananthapuram

Fri 27/2

21:40-07:35

1 stop21h 25m

₹ 93,387

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Wed 18/2

13:10-20:00

1 stop19h 20m

Thiruvananthapuram

Fri 27/2

21:40-07:35

1 stop21h 25m

₹ 93,387

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Fri 17/4

13:10-21:20

2 stops45h 40m

Thiruvananthapuram

Sat 2/5

07:05-11:10

3 stops62h 35m

₹ 93,936

Flights are sorted by cheapest return flights first.

Deals found on 25/1

Showing 1-10 of 23 results
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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.
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

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

Currently, September is the cheapest month in which you can book a flight from Illinois to Thiruvananthapuram (average of ₹ 73,591). Flying from Illinois to Thiruvananthapuram in May is currently the most expensive (average of ₹ 102,551). 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.

Related info for your journey

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

  • 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?

    Air India, Etihad Airways, and Qatar Airways can get you from Illinois to Thiruvananthapuram in just under 26h 20m. Your travel time can differ by up to 7h 35m. 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, September is the cheapest month in which you can book a flight from Illinois to Thiruvananthapuram (average of ₹ 73,591). Flying from Illinois to Thiruvananthapuram in May is currently the most expensive (average of ₹ 102,551). 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.

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

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Alternative routes for Illinois to Trivandrum

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

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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?

Cheapflights simply makes it quick and affordable to book flights from Illinois to Trivandrum by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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?

Yes, Cheapflights offers price alerts on Illinois to Trivandrum flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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