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Estonia

$371+ Cheap flights from Illinois to Estonia

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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TLL
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Illinois to Estonia

Keep the following information in mind while searching for Illinois to Estonia flight deals. Data was last updated September 17, 2025.

Round-trip from

$428
(oojo)

One-way from

$371
(oojo)

Popular in

September

Cheapest in

November

Average price

$880
From Illinois to Estonia
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One-way flight from Illinois to Estonia
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Highest demand for flights based on searches. 6% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Illinois to Estonia

Cheapest flights from Illinois to Estonia
Explore the most affordable flight options available from Illinois to Estonia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This oojo deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/237:20 pmORD - TLL
1 stop11h 50mScandinavian Airlines
Wed 12/33:40 pmTLL - ORD
2 stops33h 05mScandinavian Airlines
Deal found 9/16$428
This oojo deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/237:20 pmORD - TLL
1 stop11h 50mScandinavian Airlines
Tue 12/28:00 pmTLL - ORD
2 stops28h 45mScandinavian Airlines
Deal found 9/16$438
This Booking.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/237:20 pmORD - TLL
2 stops35h 40mScandinavian Airlines
Mon 12/13:40 pmTLL - ORD
2 stops57h 05mScandinavian Airlines
Deal found 9/16$471
This Booking.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/234:20 pmORD - TLL
1 stop12h 35mLufthansa
Mon 12/16:05 pmTLL - ORD
1 stop27h 05mLufthansa
Deal found 9/16$516
This Trip.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:20 pmORD - TLL
1 stop31h 00mScandinavian Airlines
Sat 11/293:45 pmTLL - ORD
1 stop33h 00mScandinavian Airlines
Deal found 9/16$517
This KLM deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1411:21 amSTL - TLL
2 stops17h 54mKLM
Tue 10/217:30 amTLL - STL
2 stops17h 13mKLM
Deal found 9/15$543
This FlightHub deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2011:50 amORD - TLL
1 stop15h 55mTurkish Airlines
Tue 12/26:55 pmTLL - ORD
1 stop23h 10mTurkish Airlines
Deal found 9/16$553
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:35 pmORD - TLL
1 stop17h 15mLufthansa
Sun 12/281:55 pmTLL - ORD
1 stop14h 10mLufthansa
Deal found 9/16$555
This Booking.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/199:55 pmORD - TLL
1 stop17h 45mLOT
Sun 11/306:30 pmTLL - ORD
2 stops33h 25mLOT
Deal found 9/16$561
This oojo deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/259:55 pmORD - TLL
1 stop19h 50mLOT
Sun 11/306:30 pmTLL - ORD
2 stops33h 25mLOT
Deal found 9/16$562
This Trip.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:20 pmORD - TLL
1 stop31h 00mScandinavian Airlines
Sun 11/303:45 pmTLL - ORD
1 stop33h 00mScandinavian Airlines
Deal found 9/16$563
This lastminute.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:15 pmSTL - TLL
2 stops37h 05mMultiple Airlines
Sat 11/82:00 pmTLL - STL
2 stops41h 40mMultiple Airlines
Deal found 9/17$632

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Estonia 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 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Illinois to Estonia that are best for you.

Fly from

Illinois

Fly to

Estonia

Route

Depart

Return

Price

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 1/19

7:20 pm-7:30 pm

2 stops16h 10m

Tallinn

Thu 1/29

8:00 pm-4:45 pm

2 stops28h 45m

$428

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 11/23

7:20 pm-3:10 pm

1 stop11h 50m

Tallinn

Wed 12/3

3:40 pm-4:45 pm

2 stops33h 05m

$428

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 11/23

7:20 pm-3:10 pm

1 stop11h 50m

Tallinn

Tue 12/2

3:45 pm-4:45 pm

1 stop33h 00m

$438

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 11/23

7:20 pm-10:20 am

1 stop31h 00m

Tallinn

Mon 12/1

8:00 pm-4:45 pm

2 stops52h 45m

$438

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 11/23

4:20 pm-12:55 pm

1 stop12h 35m

Tallinn

Mon 12/1

6:05 pm-1:10 pm

1 stop27h 05m

$516

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Wed 10/15

11:21 am-1:15 pm

2 stops17h 54m

Tallinn

Tue 10/21

7:30 am-5:29 pm

2 stops17h 59m

$543

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Tue 10/14

11:21 am-1:15 pm

2 stops17h 54m

Tallinn

Tue 10/21

7:30 am-4:43 pm

2 stops17h 13m

$543

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 12/24

10:35 pm-11:50 pm

1 stop17h 15m

Tallinn

Sun 12/28

1:55 pm-8:05 pm

1 stop14h 10m

$555

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Sat 11/1

5:15 pm-1:20 pm

2 stops37h 05m

Tallinn

Sat 11/8

2:00 pm-11:40 pm

2 stops41h 40m

$632

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Sat 11/1

4:43 pm-11:50 pm

2 stops48h 07m

Tallinn

Sat 11/8

5:55 pm-1:55 pm

1 stop28h 00m

$635

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 18 results
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Best time to book a flight from Illinois to Estonia

Have a flexible travel schedule? Discover the best time to fly to Estonia from Illinois with our price prediction graph.
Estimated round-trip 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 Estonia

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Estonia (average of $550). Flying from Illinois to Estonia in June is currently the most expensive (average of $974). 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.

What is the cheapest time of day to fly from IL to EE?

Find hourly flight availability from Illinois to Estonia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Estonia as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Estonia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to Estonia?

    A quick flight from Illinois to Estonia can take about 16h 10m. Scandinavian Airlines provides one of the quickest options available for as low as $428. Airlines will cover a distance of 4456 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Illinois to Estonia that include hotel bookings?

    Yes. In addition to deals on Illinois to Estonia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Estonia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Estonia.

  • Can I find deals for business class flights from Illinois to Estonia?

    Yes. Cheapflights offers flight deals from Illinois to Estonia 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 Estonia?

    Currently, November is the cheapest month in which you can book a flight from Illinois to Estonia (average of $550). Flying from Illinois to Estonia in June is currently the most expensive (average of $974). 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

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Alternative routes for Illinois to Estonia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Illinois to Estonia

Discover the top 4 airlines that operate flights from Illinois to Estonia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$424Average$460FlexibilityNo cancel feeOn-time77%
FinnairCheapest$507Average$753FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$528Average$680FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$535Average$643FlexibilityNo cancel feeOn-time76%

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