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Cheap flights from Illinois to Thiruvananthapuram from ₹ 37,857

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 24/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TRV
16 Dec — 23 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Trivandrum

Keep the following information in mind while searching for Illinois to Trivandrum flight deals. Data was last updated 16 November 2025.

Round-trip from

₹ 69,508

One-way from

₹ 37,857

Popular in

December

Cheapest in

April

Average price

₹ 110,646
Air India
  • Air India
  • 28/1-10/2
  • 3 total stops
  • 51h 55m total
  • Illinois to Thiruvananthapuram
Search Deals
24/1
  • 24/1
  • 2 total stops
  • 24h 10m total
  • Illinois to Thiruvananthapuram
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (₹ 1,763,899 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (₹ 501,506 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find 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 16 November 2025.

Fri 5/1213:30ORD - TRV
1 stop24h 30mAir India
Tue 16/1211:15TRV - ORD
2 stops35h 45mAir India
Deal found 15/11₹ 93,358
Fri 5/1213:30ORD - TRV
1 stop24h 30mAir India
Sun 14/1205:05TRV - ORD
2 stops41h 55mAir India
Deal found 15/11₹ 94,067
Fri 5/1213:30ORD - TRV
1 stop33h 25mAir India
Mon 15/1206:25TRV - ORD
3 stops64h 35mAir India
Deal found 15/11₹ 95,219
Sun 30/1120:40ORD - TRV
2 stops56h 40mBritish Airways
Sun 12/416:50TRV - ORD
2 stops55h 30mBritish Airways
Deal found 16/11₹ 101,425
Mon 1/1220:40ORD - TRV
2 stops32h 40mBritish Airways
Sun 12/416:50TRV - ORD
2 stops55h 30mBritish Airways
Deal found 16/11₹ 103,110
Sat 29/1118:50ORD - TRV
2 stops42h 30mMultiple Airlines
Sat 16/512:30TRV - ORD
2 stops34h 20mMultiple Airlines
Deal found 16/11₹ 103,199
Fri 28/1121:45ORD - TRV
2 stops55h 35mBritish Airways
Sun 12/422:40TRV - ORD
2 stops30h 05mBritish Airways
Deal found 16/11₹ 104,529
Mon 1/1218:25ORD - TRV
2 stops34h 55mBritish Airways
Sat 18/416:50TRV - ORD
2 stops35h 55mBritish Airways
Deal found 16/11₹ 106,213
Mon 1/1206:00STL - TRV
2 stops32h 55mQatar Airways
Sun 14/1203:55TRV - STL
2 stops31h 34mQatar Airways
Deal found 15/11₹ 122,526
Mon 24/1114:53STL - TRV
2 stops24h 02mQatar Airways
Wed 24/1203:55TRV - STL
2 stops44h 07mQatar Airways
Deal found 16/11₹ 126,604
Mon 1/1216:46STL - TRV
3 stops36h 34mBritish Airways
Mon 15/1223:00TRV - STL
3 stops35h 36mBritish Airways
Deal found 15/11₹ 148,503
Thu 25/1205:05STL - TRV
2 stops57h 50mQatar Airways
Fri 16/103:55TRV - STL
2 stops31h 34mQatar Airways
Deal found 13/11₹ 170,225

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 16 November 2025.
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

Fri 17/4

13:10-01:30

1 stop25h 50m

Thiruvananthapuram

Tue 21/4

19:35-11:10

2 stops26h 05m

₹ 82,630

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Sun 12/4

14:00-07:45

3 stops31h 15m

Thiruvananthapuram

Sun 19/4

12:25-11:10

3 stops33h 15m

₹ 87,506

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Tue 13/1

08:45-19:45

2 stops47h 30m

Thiruvananthapuram

Mon 26/1

09:30-19:45

2 stops45h 45m

₹ 91,230

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Fri 17/4

19:20-07:45

2 stops49h 55m

Thiruvananthapuram

Tue 21/4

08:35-15:05

2 stops41h 00m

₹ 93,978

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Fri 16/1

13:30-01:30

1 stop24h 30m

Thiruvananthapuram

Sun 25/1

17:20-11:30

3 stops29h 40m

₹ 94,865

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Mon 12/1

13:10-20:00

1 stop19h 20m

Thiruvananthapuram

Tue 20/1

04:10-07:35

1 stop38h 55m

₹ 96,283

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Tue 24/2

18:50-02:25

1 stop20h 05m

Thiruvananthapuram

Mon 23/3

03:55-15:45

1 stop22h 20m

₹ 98,145

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Thu 8/1

11:50-16:50

2 stops41h 30m

Thiruvananthapuram

Fri 30/1

18:10-18:25

3 stops35h 45m

₹ 99,652

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Mon 12/1

19:45-03:00

1 stop19h 45m

Thiruvananthapuram

Wed 28/1

04:35-14:55

1 stop21h 50m

₹ 100,982

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Sun 12/4

09:15-02:25

2 stops30h 40m

Thiruvananthapuram

Tue 14/4

03:55-23:24

2 stops29h 59m

₹ 116,497

Flights are sorted by cheapest return flights first.

Deals found on 16/11

Showing 1-10 of 19 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 ₹ 71,193). Flying from Illinois to Thiruvananthapuram in June is currently the most expensive (average of ₹ 99,564). 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, Oman Air, and Qatar Airways can get you from Illinois to Thiruvananthapuram in just under 25h 50m. Your travel time can differ by up to 24h 05m. 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 ₹ 71,193). Flying from Illinois to Thiruvananthapuram in June is currently the most expensive (average of ₹ 99,564). 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

Browse thousands of different options on Cheapflights for your next trip

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

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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?

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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