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Cheap flights from Illinois to Thiruvananthapuram from ₹ 45,272

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 23/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TRV
28 Aug — 4 Sep1
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 29 July 2026.

Thu 19/1110:35
ORD
-
TRV
2 stops33h 40m
Oman Air
Sat 5/1208:35
TRV
-
ORD
2 stops42h 00m
Oman Air
Deal found 24/7₹ 95,617
Mon 7/921:10
ORD
-
TRV
1 stop19h 10m
Etihad Airways
Mon 14/921:50
TRV
-
ORD
1 stop21h 15m
Etihad Airways
Deal found 24/7₹ 96,000
Thu 19/1113:10
ORD
-
TRV
1 stop19h 20m
Etihad Airways
Sat 5/1221:40
TRV
-
ORD
1 stop28h 50m
Etihad Airways
Deal found 24/7₹ 97,244
Sat 26/1210:35
ORD
-
TRV
2 stops33h 40m
Oman Air
Thu 21/108:35
TRV
-
ORD
2 stops42h 00m
Oman Air
Deal found 24/7₹ 97,914
Wed 9/914:00
ORD
-
TRV
1 stop19h 45m
Etihad Airways
Wed 16/904:15
TRV
-
ORD
1 stop21h 55m
Etihad Airways
Deal found 26/7₹ 100,307
Sun 30/814:00
ORD
-
TRV
1 stop19h 45m
Etihad Airways
Thu 24/921:50
TRV
-
ORD
1 stop21h 15m
Etihad Airways
Deal found 26/7₹ 100,403
Fri 11/920:00
ORD
-
TRV
2 stops49h 15m
Oman Air
Sat 17/1008:35
TRV
-
ORD
2 stops42h 05m
Oman Air
Deal found 27/7₹ 101,551
Tue 8/919:20
ORD
-
TRV
1 stop20h 25m
Qatar Airways
Mon 21/903:45
TRV
-
ORD
1 stop21h 50m
Qatar Airways
Deal found 26/7₹ 101,647
Mon 17/811:22
STL
-
TRV
2 stops28h 23m
Qatar Airways
Tue 6/1003:45
TRV
-
STL
2 stops26h 33m
Qatar Airways
Deal found 28/7₹ 124,714
Mon 17/820:07
STL
-
TRV
3 stops34h 48m
British Airways
Wed 7/1016:50
TRV
-
STL
3 stops38h 48m
British Airways
Deal found 28/7₹ 159,745
Mon 17/815:30
STL
-
TRV
2 stops32h 25m
Lufthansa
Wed 7/1009:35
TRV
-
STL
3 stops46h 16m
Lufthansa
Deal found 28/7₹ 159,840
Fri 18/1215:30
STL
-
TRV
2 stops47h 15m
Qatar Airways
Sat 16/103:45
TRV
-
STL
2 stops31h 44m
Qatar Airways
Deal found 24/7₹ 247,992

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 29 July 2026.

Round-trip from

₹ 95,617

One-way from

₹ 45,272

Popular in

January

Cheapest in

March

Average price

₹ 151,131
Oman Air
  • Oman Air
  • 19/11-5/12
  • 4 total stops
  • 75h 40m total
  • Illinois to Thiruvananthapuram
Search Deals
23/8
  • 23/8
  • 3 total stops
  • 32h 10m total
  • Illinois to Thiruvananthapuram
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (₹ 2,219,886 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (₹ 876,807 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 29 July 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

Mon 5/10

14:00-02:50

1 stop26h 20m

Thiruvananthapuram

Sat 30/1

04:10-15:00

1 stop22h 20m

₹ 100,403

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Wed 9/9

14:00-02:50

1 stop26h 20m

Thiruvananthapuram

Wed 16/9

21:50-15:40

1 stop28h 20m

₹ 100,498

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Sat 21/11

18:50-07:45

2 stops25h 25m

Thiruvananthapuram

Sat 28/11

08:35-15:05

2 stops42h 00m

₹ 106,624
Fastest return journey

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Wed 7/10

19:20-02:15

1 stop20h 25m

Thiruvananthapuram

Sat 10/10

03:45-15:05

1 stop21h 50m

₹ 111,314

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Sat 12/9

14:00-08:40

3 stops32h 10m

Thiruvananthapuram

Sat 19/9

04:15-08:35

1 stop38h 50m

₹ 116,674

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Mon 17/8

11:22-02:15

2 stops28h 23m

Thiruvananthapuram

Tue 6/10

03:45-19:48

2 stops26h 33m

₹ 124,714

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Sat 9/1

06:00-02:15

2 stops32h 45m

Thiruvananthapuram

Fri 22/1

03:45-14:30

1 stop22h 15m

₹ 129,787

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Mon 17/8

20:07-17:25

3 stops34h 48m

Thiruvananthapuram

Wed 7/10

16:50-21:08

3 stops38h 48m

₹ 159,745

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Fri 18/12

15:30-02:15

2 stops47h 15m

Thiruvananthapuram

Sat 16/1

03:45-23:59

2 stops31h 44m

₹ 247,992

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Fri 18/12

17:27-16:50

3 stops35h 53m

Thiruvananthapuram

Sun 17/1

20:15-23:58

3 stops39h 13m

₹ 258,233

Flights are sorted by cheapest return flights first.

Deals found on 28/7

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

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

Currently, February is the cheapest month in which you can book a flight from Illinois to Thiruvananthapuram (average of ₹ 106,050). Flying from Illinois to Thiruvananthapuram in July is currently the most expensive (average of ₹ 153,523). 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?

Airfare is below average for this route at the moment.
Illinois to Thiruvananthapuram flights typically cost between ₹ 110,261 and ₹ 147,781 in November.
The cheapest return price found within the last 5 days was ₹ 95,617 on Oman Air (19 Nov–5 Dec).

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, Oman Air, and Qatar Airways can get you from Illinois to Thiruvananthapuram in just under 20h 25m. Your travel time can differ by up to 5h 55m. 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, February is the cheapest month in which you can book a flight from Illinois to Thiruvananthapuram (average of ₹ 106,050). Flying from Illinois to Thiruvananthapuram in July is currently the most expensive (average of ₹ 153,523). 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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