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Cheap flights from Illinois to Thiruvananthapuram from ₹ 77,402

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TRV
6 Jan — 13 Jan1
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 7 December 2025.

Sat 6/1221:50ORD - TRV
2 stops46h 25mMultiple Airlines
Sat 13/1208:35TRV - ORD
2 stops45h 20mMultiple Airlines
Deal found 5/12₹ 115,159
Sun 7/1213:30ORD - TRV
1 stop41h 55mAir India
Sun 14/1205:05TRV - ORD
2 stops41h 55mAir India
Deal found 6/12₹ 121,272
Sun 7/1222:35ORD - TRV
2 stops45h 40mMultiple Airlines
Tue 27/104:10TRV - ORD
1 stop38h 55mMultiple Airlines
Deal found 5/12₹ 122,621
Sun 7/1207:00ORD - TRV
2 stops62h 15mMultiple Airlines
Sun 14/1205:05TRV - ORD
2 stops41h 55mMultiple Airlines
Deal found 6/12₹ 128,374
Sun 7/1218:50ORD - TRV
2 stops33h 15mMultiple Airlines
Tue 27/121:40TRV - ORD
1 stop21h 25mMultiple Airlines
Deal found 5/12₹ 131,611
Mon 8/1218:50ORD - TRV
2 stops29h 30mMultiple Airlines
Sun 25/105:05TRV - ORD
2 stops41h 55mMultiple Airlines
Deal found 5/12₹ 133,319
Sun 7/1207:00ORD - TRV
2 stops49h 15mMultiple Airlines
Thu 29/110:45TRV - ORD
3 stops36h 15mMultiple Airlines
Deal found 5/12₹ 136,106
Sat 6/1209:45ORD - TRV
2 stops37h 05mMultiple Airlines
Thu 29/121:40TRV - ORD
1 stop21h 25mMultiple Airlines
Deal found 5/12₹ 138,443

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 7 December 2025.

Round-trip from

₹ 76,413

Popular in

December

Cheapest in

April

Average price

₹ 165,232
Air India
  • Air India
  • 16/3-28/3
  • 4 total stops
  • 92h 20m total
  • Illinois to Thiruvananthapuram
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (₹ 1,874,864 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (₹ 473,541 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 7 December 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 6/3

13:30-10:10

2 stops33h 10m

Thiruvananthapuram

Wed 25/3

06:25-12:30

3 stops64h 35m

₹ 77,402

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Tue 24/2

18:25-19:45

2 stops37h 50m

Thiruvananthapuram

Tue 24/3

11:15-12:30

1 stop35h 45m

₹ 86,572

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Fri 6/3

13:30-01:30

1 stop24h 30m

Thiruvananthapuram

Wed 25/3

04:10-08:35

1 stop38h 55m

₹ 89,628

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Mon 16/3

14:30-01:30

1 stop24h 30m

Thiruvananthapuram

Sat 28/3

11:15-11:10

1 stop34h 25m

₹ 91,067

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Thu 5/3

13:10-20:00

1 stop19h 20m

Thiruvananthapuram

Tue 17/3

04:10-08:35

1 stop38h 55m

₹ 92,595

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Tue 24/2

13:10-03:00

1 stop26h 20m

Thiruvananthapuram

Tue 24/3

21:40-08:35

1 stop21h 25m

₹ 94,573

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Thu 5/3

17:29-03:25

2 stops46h 26m

Thiruvananthapuram

Mon 16/3

03:55-15:45

1 stop22h 20m

₹ 99,787

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Mon 2/2

13:35-02:25

2 stops25h 20m

Thiruvananthapuram

Wed 4/2

03:55-21:15

2 stops28h 50m

₹ 117,856

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Sat 13/12

18:35-09:20

2 stops51h 15m

₹ 101,135

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Sat 13/12

20:20-00:50

2 stops41h 00m

₹ 126,666

Flights are sorted by cheapest return flights first.

Deals found on 6/12

Showing 1-10 of 11 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 ₹ 72,188). Flying from Illinois to Thiruvananthapuram in May is currently the most expensive (average of ₹ 100,596). 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 and Qatar Airways can get you from Illinois to Thiruvananthapuram in just under 25h 20m. Your travel time can differ by up to 7h 50m. Illinois and Thiruvananthapuram are separated by a distance of 14590 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 ₹ 72,188). Flying from Illinois to Thiruvananthapuram in May is currently the most expensive (average of ₹ 100,596). 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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