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Cheap flights from Illinois to Thiruvananthapuram from ₹ 35,346

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 30/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TRV
12 Apr — 19 Apr1
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 13 March 2026.

Fri 3/413:10
ORD
-
TRV
1 stop25h 50m
Air India
Sat 25/405:05
TRV
-
ORD
2 stops40h 35m
Air India
Deal found 8/3₹ 87,303
Mon 13/414:00
ORD
-
TRV
2 stops22h 25m
Multiple Airlines
Mon 27/407:05
TRV
-
ORD
2 stops36h 00m
Multiple Airlines
Deal found 11/3₹ 88,410
Sun 5/414:00
ORD
-
TRV
2 stops22h 25m
Multiple Airlines
Mon 13/407:05
TRV
-
ORD
3 stops36h 00m
Multiple Airlines
Deal found 12/3₹ 88,595
Wed 6/513:10
ORD
-
TRV
1 stop43h 15m
Air India
Thu 14/505:05
TRV
-
ORD
2 stops40h 35m
Air India
Deal found 9/3₹ 90,256
Fri 3/413:10
ORD
-
TRV
1 stop26h 40m
Air India
Sun 26/411:05
TRV
-
ORD
2 stops34h 35m
Air India
Deal found 10/3₹ 91,179
Mon 6/413:10
ORD
-
TRV
1 stop34h 45m
Air India
Mon 13/419:05
TRV
-
ORD
3 stops50h 35m
Air India
Deal found 8/3₹ 92,840
Sat 18/414:00
ORD
-
TRV
2 stops22h 25m
Multiple Airlines
Thu 18/617:55
TRV
-
ORD
2 stops25h 10m
Multiple Airlines
Deal found 8/3₹ 94,040
Wed 22/409:34
STL
-
TRV
2 stops30h 21m
Qatar Airways
Tue 28/403:55
TRV
-
STL
2 stops28h 59m
Qatar Airways
Deal found 8/3₹ 112,405
Mon 27/412:27
STL
-
TRV
2 stops27h 18m
Qatar Airways
Sun 3/503:55
TRV
-
STL
2 stops28h 52m
Qatar Airways
Deal found 12/3₹ 112,589
Thu 30/412:27
STL
-
TRV
2 stops27h 28m
Qatar Airways
Sat 2/503:55
TRV
-
STL
2 stops30h 21m
Qatar Airways
Deal found 9/3₹ 124,956
Mon 27/417:21
STL
-
TRV
3 stops31h 59m
British Airways
Mon 4/516:50
TRV
-
STL
3 stops41h 26m
British Airways
Deal found 12/3₹ 130,585
Mon 27/416:30
STL
-
TRV
2 stops23h 15m
Multiple Airlines
Mon 4/521:50
TRV
-
STL
3 stops33h 05m
Multiple Airlines
Deal found 12/3₹ 159,009

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 13 March 2026.

Round-trip from

₹ 87,303

One-way from

₹ 35,346

Popular in

January

Cheapest in

October

Average price

₹ 95,885
Air India
  • Air India
  • 3/4-25/4
  • 3 total stops
  • 66h 25m total
  • Illinois to Thiruvananthapuram
Search Deals
Air India
  • Air India
  • 30/3
  • 2 total stops
  • 42h 55m total
  • Illinois to Thiruvananthapuram
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (₹ 2,694,036 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (₹ 463,907 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 13 March 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

Fri 3/4

13:10-01:30

1 stop25h 50m

Thiruvananthapuram

Sat 25/4

05:05-11:10

1 stop40h 35m

₹ 97,823
Fastest return journey

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Thu 30/4

20:35-03:10

1 stop20h 05m

Thiruvananthapuram

Mon 4/5

04:45-15:45

1 stop21h 30m

₹ 111,574

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Mon 27/4

12:27-02:15

2 stops27h 18m

Thiruvananthapuram

Sun 3/5

03:55-22:17

2 stops28h 52m

₹ 112,589

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Wed 1/4

13:10-21:20

2 stops45h 40m

Thiruvananthapuram

Fri 17/4

19:05-11:10

3 stops50h 35m

₹ 118,034

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Thu 30/4

19:20-02:25

1 stop20h 35m

Thiruvananthapuram

Sun 3/5

03:55-06:40

2 stops37h 15m

₹ 118,403

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Thu 30/4

11:06-02:25

2 stops28h 49m

Thiruvananthapuram

Sat 2/5

03:55-19:33

2 stops26h 08m

₹ 124,956

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Mon 27/4

16:30-02:15

2 stops23h 15m

Thiruvananthapuram

Mon 4/5

21:50-20:25

3 stops33h 05m

₹ 159,009

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Mon 1/6

06:15-02:25

2 stops33h 40m

Thiruvananthapuram

Sun 21/6

03:55-22:58

2 stops29h 33m

₹ 170,545
Cheapest one-way

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Sun 5/4

14:00-08:40

3 stops32h 10m

₹ 40,975

ChicagoThiruvananthapuram

ORD - TRV

ORDTRV

Chicago O'Hare Intl

Sun 29/3

14:00-08:20

3 stops31h 50m

₹ 43,375

Flights are sorted by cheapest return flights first.

Deals found on 8/3

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

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 ₹ 74,106). Flying from Illinois to Thiruvananthapuram in December is currently the most expensive (average of ₹ 103,084). 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, Emirates, and Qatar Airways can get you from Illinois to Thiruvananthapuram in just under 20h 05m. Your travel time can differ by up to 7h 13m. 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 ₹ 74,106). Flying from Illinois to Thiruvananthapuram in December is currently the most expensive (average of ₹ 103,084). 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
Kovalam
Varkala
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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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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