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Estonia

$275+ 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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TLL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This FlightHub deal was found by Cheapflights users on 12/16. 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.
Wed 12/243:45 pmORD - TLL
2 stops17h 25mLufthansa
Tue 12/306:05 pmTLL - ORD
1 stop25h 05mLufthansa
Deal found 12/16$1,149
This KAYAK deal was found by Cheapflights users on 12/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:20 pmORD - TLL
2 stops20h 20mScandinavian Airlines
Tue 12/303:40 pmTLL - ORD
2 stops33h 05mScandinavian Airlines
Deal found 12/16$1,234
This Mytrip deal was found by Cheapflights users on 12/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:20 pmORD - TLL
2 stops20h 20mMultiple Airlines
Mon 12/293:25 amTLL - ORD
3 stops37h 06mMultiple Airlines
Deal found 12/16$1,493
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/164:37 pmSTL - TLL
2 stops47h 13mUnited Airlines
Fri 1/91:35 pmTLL - STL
2 stops17h 23mUnited Airlines
Deal found 12/16$1,789
This Air Canada deal was found by Cheapflights users on 12/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/164:05 pmSTL - TLL
2 stops20h 00mAir Canada
Fri 1/97:25 amTLL - STL
3 stops21h 48mAir Canada
Deal found 12/16$1,958
This FlightHub deal was found by Cheapflights users on 12/16. 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.
Tue 12/308:20 pmORD - TLL
1 stop37h 40mTurkish Airlines
Sat 1/36:55 pmTLL - ORD
1 stop31h 30mTurkish Airlines
Deal found 12/16$4,268
This AranGrant deal was found by Cheapflights users on 12/16. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:55 pmORD - TLL
2 stops26h 20mMultiple Airlines
Sat 1/32:05 pmTLL - ORD
1 stop13h 55mMultiple Airlines
Deal found 12/16$7,133
This business-class.com deal was found by Cheapflights users on 12/16. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:11 pmORD - TLL
2 stops16h 44mFinnair
Sat 1/38:25 amTLL - ORD
2 stops19h 12mFinnair
Deal found 12/16$7,707
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:07 amORD - TLL
2 stops18h 03mUnited Airlines
Sat 1/35:55 pmTLL - ORD
2 stops26h 15mUnited Airlines
Deal found 12/17$7,925

Find flight deals from Illinois to Estonia

Keep the following information in mind while searching for Illinois to Estonia flight deals. Data was last updated December 18, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$430
(oojo)

One-way from

$275
(Kiwi.com)

Popular in

September

Cheapest in

March

Average price

$982
Provider with most accurate pricing for Chicago (CHI)-Tallinn flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Tallinn flights.
Search Deals
From Illinois to Estonia
Search Deals
One-way flight from Illinois to Estonia
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($77 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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

Sat 1/31

7:20 pm-11:35 pm

2 stops20h 15m

Tallinn

Sat 2/7

7:00 am-4:45 pm

2 stops17h 45m

$430

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 1/19

7:20 pm-3:10 pm

1 stop11h 50m

Tallinn

Sat 1/24

6:25 am-4:45 pm

1 stop18h 20m

$438

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 2/6

7:20 pm-1:25 am

1 stop22h 05m

Tallinn

Sat 2/14

6:25 am-4:45 pm

1 stop18h 20m

$438

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Thu 1/15

7:20 pm-7:30 pm

2 stops16h 10m

Tallinn

Thu 1/22

11:00 am-4:45 pm

1 stop13h 45m

$441

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 3/23

8:20 pm-3:10 pm

1 stop11h 50m

Tallinn

Fri 4/10

11:20 am-4:10 pm

1 stop12h 50m

$446

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Sat 1/31

10:19 am-1:20 pm

2 stops19h 01m

Tallinn

Sat 2/7

7:25 am-7:27 pm

2 stops20h 02m

$519

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Sat 2/7

4:05 pm-8:05 pm

2 stops20h 00m

Tallinn

Thu 2/19

7:25 am-3:29 pm

2 stops40h 04m

$543

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Sun 2/8

4:05 pm-8:05 pm

2 stops20h 00m

Tallinn

Wed 2/18

7:25 am-3:29 pm

2 stops40h 04m

$543

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Fri 1/30

4:05 pm-8:05 pm

2 stops20h 00m

Tallinn

Tue 2/3

7:25 am-3:15 pm

2 stops39h 50m

$543

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Wed 2/11

4:05 pm-8:05 pm

2 stops20h 00m

Tallinn

Thu 2/19

7:25 am-3:29 pm

2 stops40h 04m

$543

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 25 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, April is the cheapest month in which you can book a flight from Illinois to Estonia (average of $431). Flying from Illinois to Estonia in July is currently the most expensive (average of $808). 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 December 18, 2025.

One of the essential ways to save on airfare from Illinois to Estonia is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 35% on airfare.

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 19h 01m. Scandinavian Airlines provides one of the quickest options available for as low as $519. Airlines will cover a distance of 4714 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, April is the cheapest month in which you can book a flight from Illinois to Estonia (average of $431). Flying from Illinois to Estonia in July is currently the most expensive (average of $808). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$433Average$559FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$528Average$680FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$535Average$811FlexibilityNo cancel feeOn-time76%
FinnairCheapest$624Average$912FlexibilityNo cancel feeOn-time76%

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