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Cheap flights from Illinois to Thiruvananthapuram from ₹ 49,430

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TRV
25 May — 1 Jun1
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 25 April 2026.

Sun 3/513:10
ORD
-
TRV
1 stop26h 40m
Air India
Tue 19/519:35
TRV
-
ORD
2 stops26h 05m
Air India
Deal found 24/4₹ 90,293
Wed 6/513:10
ORD
-
TRV
1 stop26h 40m
Air India
Tue 19/519:35
TRV
-
ORD
2 stops26h 05m
Air India
Deal found 24/4₹ 90,858
Sun 3/513:10
ORD
-
TRV
1 stop26h 40m
Air India
Thu 21/519:35
TRV
-
ORD
2 stops26h 05m
Air India
Deal found 24/4₹ 93,118
Wed 6/513:10
ORD
-
TRV
1 stop26h 40m
Air India
Wed 20/503:10
TRV
-
ORD
2 stops42h 30m
Air India
Deal found 24/4₹ 93,588
Mon 4/514:00
ORD
-
TRV
1 stop26h 20m
Etihad Airways
Mon 13/721:50
TRV
-
ORD
1 stop28h 20m
Etihad Airways
Deal found 21/4₹ 98,484
Wed 9/921:10
ORD
-
TRV
1 stop19h 10m
Etihad Airways
Fri 18/904:15
TRV
-
ORD
1 stop21h 55m
Etihad Airways
Deal found 20/4₹ 100,085
Fri 8/513:10
ORD
-
TRV
1 stop26h 40m
Air India
Tue 19/519:35
TRV
-
ORD
2 stops26h 05m
Air India
Deal found 24/4₹ 100,461
Wed 6/514:00
ORD
-
TRV
1 stop19h 45m
Etihad Airways
Wed 27/504:15
TRV
-
ORD
1 stop38h 50m
Etihad Airways
Deal found 20/4₹ 103,098
Fri 8/513:10
ORD
-
TRV
1 stop26h 40m
Air India
Thu 21/519:35
TRV
-
ORD
2 stops26h 05m
Air India
Deal found 24/4₹ 103,192
Tue 18/820:35
ORD
-
TRV
1 stop20h 05m
Emirates
Tue 20/1004:45
TRV
-
ORD
1 stop21h 30m
Emirates
Deal found 22/4₹ 103,286
Wed 19/820:35
ORD
-
TRV
1 stop20h 05m
Emirates
Thu 27/804:45
TRV
-
ORD
1 stop21h 30m
Emirates
Deal found 20/4₹ 105,546
Thu 17/909:46
STL
-
TRV
2 stops30h 09m
Qatar Airways
Sun 20/903:55
TRV
-
STL
2 stops26h 21m
Qatar Airways
Deal found 24/4₹ 127,389

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 25 April 2026.

Round-trip from

₹ 90,858

One-way from

₹ 49,430

Popular in

January

Cheapest in

October

Average price

₹ 102,721
Air India
  • Air India
  • 6/5-19/5
  • 3 total stops
  • 52h 45m total
  • Illinois to Thiruvananthapuram
Search Deals
Air India
  • Air India
  • 1/5
  • 1 total stop
  • 26h 40m total
  • Illinois to Thiruvananthapuram
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (₹ 2,920,130 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (₹ 486,897 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 25 April 2026.
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 - TRV

ORDTRV

Chicago O'Hare Intl

Thu 24/9

19:20-02:25

1 stop20h 35m

Thiruvananthapuram

Sun 27/9

03:55-15:05

1 stop21h 40m

₹ 110,818
Fastest return journey

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Thu 24/9

20:35-03:10

1 stop20h 05m

Thiruvananthapuram

Mon 28/9

04:45-15:45

1 stop21h 30m

₹ 116,091

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Sat 6/6

20:10-17:25

2 stops34h 45m

Thiruvananthapuram

Sat 13/6

07:05-08:35

2 stops36h 00m

₹ 117,503

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Thu 17/9

09:46-02:25

2 stops30h 09m

Thiruvananthapuram

Sun 20/9

03:55-19:46

2 stops26h 21m

₹ 127,389

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Tue 9/6

20:10-17:25

2 stops34h 45m

Thiruvananthapuram

Tue 16/6

04:45-15:45

1 stop21h 30m

₹ 131,814

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Thu 24/9

17:50-17:25

2 stops37h 05m

Thiruvananthapuram

Mon 28/9

16:50-12:30

2 stops54h 10m

₹ 132,003

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Mon 1/6

18:12-17:25

3 stops36h 43m

Thiruvananthapuram

Mon 22/6

08:25-19:21

3 stops45h 26m

₹ 169,193

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Fri 5/6

19:41-02:45

2 stops44h 34m

Thiruvananthapuram

Fri 12/6

04:15-22:58

2 stops29h 13m

₹ 185,388

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Fri 5/6

13:45-11:50

3 stops35h 35m

Thiruvananthapuram

Fri 12/6

13:15-19:30

3 stops40h 45m

₹ 193,296

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Mon 1/6

09:39-02:50

2 stops30h 41m

Thiruvananthapuram

Mon 22/6

21:50-19:21

2 stops32h 01m

₹ 210,715

Flights are sorted by cheapest return flights first.

Deals found on 21/4

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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

How far ahead should I book a flight from Illinois to Thiruvananthapuram?

The price you pay for your flight from Illinois to Thiruvananthapuram may vary depending on when you book. For the best chance of a lower fare, look to book 79 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Illinois to Thiruvananthapuram (average of ₹ 70,238). Flying from Illinois to Thiruvananthapuram in March is currently the most expensive (average of ₹ 87,845). 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?

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?

    Qatar Airways and Emirates can get you from Illinois to Thiruvananthapuram in just under 20h 05m. Your travel time can differ by up to 30m. 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, October is the cheapest month in which you can book a flight from Illinois to Thiruvananthapuram (average of ₹ 70,238). Flying from Illinois to Thiruvananthapuram in March is currently the most expensive (average of ₹ 87,845). 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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Charlotte to Cochin flights
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Atlanta to Kozhikode flights
Fort Lauderdale to Cochin flights
Los Angeles to Trivandrum flights
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Santa Ana to Cochin flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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