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Cheap flights from Illinois to Thiruvananthapuram from ₹ 42,399

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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TRV
14 Jun — 21 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 15 May 2026.

Wed 29/720:35
ORD
-
TRV
1 stop20h 05m
Emirates
Fri 4/904:45
TRV
-
ORD
1 stop21h 30m
Emirates
Deal found 13/5₹ 109,108
Thu 1/1014:00
ORD
-
TRV
1 stop26h 20m
Etihad Airways
Sat 31/1021:40
TRV
-
ORD
1 stop28h 50m
Etihad Airways
Deal found 10/5₹ 110,352
Sun 16/809:31
STL
-
TRV
2 stops30h 14m
Qatar Airways
Mon 14/903:45
TRV
-
STL
2 stops30h 05m
Qatar Airways
Deal found 10/5₹ 111,692
Wed 28/1020:45
ORD
-
TRV
1 stop19h 45m
Emirates
Fri 6/1104:35
TRV
-
ORD
1 stop21h 50m
Emirates
Deal found 12/5₹ 112,171
Thu 8/1005:33
STL
-
TRV
2 stops34h 22m
Qatar Airways
Sun 18/1003:55
TRV
-
STL
2 stops28h 35m
Qatar Airways
Deal found 11/5₹ 112,267
Wed 28/1022:45
ORD
-
TRV
2 stops46h 30m
Multiple Airlines
Sat 7/1108:35
TRV
-
ORD
2 stops40h 45m
Multiple Airlines
Deal found 12/5₹ 114,372
Thu 24/919:20
ORD
-
TRV
1 stop20h 35m
Qatar Airways
Sun 27/903:55
TRV
-
ORD
1 stop21h 40m
Qatar Airways
Deal found 13/5₹ 115,138
Sun 2/820:35
ORD
-
TRV
1 stop20h 05m
Emirates
Thu 27/804:45
TRV
-
ORD
1 stop21h 30m
Emirates
Deal found 14/5₹ 115,903
Tue 4/820:35
ORD
-
TRV
1 stop20h 05m
Emirates
Thu 27/804:45
TRV
-
ORD
1 stop21h 30m
Emirates
Deal found 14/5₹ 116,573
Wed 28/1018:50
ORD
-
TRV
1 stop21h 05m
Qatar Airways
Fri 6/1103:55
TRV
-
ORD
1 stop22h 05m
Qatar Airways
Deal found 11/5₹ 117,243
Thu 24/920:35
ORD
-
TRV
1 stop20h 05m
Emirates
Mon 28/904:45
TRV
-
ORD
1 stop21h 30m
Emirates
Deal found 11/5₹ 118,009
Sun 2/820:35
ORD
-
TRV
1 stop20h 05m
Emirates
Tue 25/804:45
TRV
-
ORD
1 stop21h 30m
Emirates
Deal found 14/5₹ 118,200

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 15 May 2026.

Round-trip from

₹ 109,108

One-way from

₹ 42,399

Popular in

January

Cheapest in

October

Average price

₹ 106,141
Emirates
  • Emirates
  • 29/7-4/9
  • 2 total stops
  • 41h 35m total
  • Illinois to Thiruvananthapuram
Search Deals
7/7
  • 7/7
  • 2 total stops
  • 42h 05m total
  • Illinois to Thiruvananthapuram
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (₹ 4,142,570 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (₹ 878,319 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 15 May 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 1/10

14:00-02:50

1 stop26h 20m

Thiruvananthapuram

Sat 31/10

21:40-16:00

1 stop28h 50m

₹ 110,352

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Sun 16/8

09:31-02:15

2 stops30h 14m

Thiruvananthapuram

Mon 14/9

03:45-23:20

2 stops30h 05m

₹ 111,692

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

₹ 115,138
Fastest return journey

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Sun 2/8

20:35-03:10

1 stop20h 05m

Thiruvananthapuram

Wed 26/8

04:45-15:45

1 stop21h 30m

₹ 116,573

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

₹ 118,009

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Tue 4/8

20:35-03:10

1 stop20h 05m

Thiruvananthapuram

Tue 25/8

04:45-15:45

1 stop21h 30m

₹ 118,200

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Wed 5/8

20:35-03:10

1 stop20h 05m

Thiruvananthapuram

Tue 25/8

04:45-15:45

1 stop21h 30m

₹ 118,200

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Sat 1/8

20:35-03:10

1 stop20h 05m

Thiruvananthapuram

Tue 25/8

04:45-15:45

1 stop21h 30m

₹ 122,986

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Thu 1/10

14:00-07:55

3 stops31h 25m

Thiruvananthapuram

Sat 31/10

06:00-16:00

2 stops44h 30m

₹ 123,943

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Sun 16/8

15:30-10:25

2 stops56h 25m

Thiruvananthapuram

Tue 15/9

09:35-23:00

3 stops47h 55m

₹ 164,811

Flights are sorted by cheapest return flights first.

Deals found on 13/5

Showing 1-10 of 23 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 68 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 ₹ 71,399). Flying from Illinois to Thiruvananthapuram in April is currently the most expensive (average of ₹ 95,805). 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?

    Etihad Airways, Qatar Airways, and Emirates can get you from Illinois to Thiruvananthapuram in just under 20h 05m. Your travel time can differ by up to 10h 09m. 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 ₹ 71,399). Flying from Illinois to Thiruvananthapuram in April is currently the most expensive (average of ₹ 95,805). 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

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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