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Estonia

$325+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TLL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This oojo deal was found by Cheapflights users on 10/30. 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.
Thu 11/277:20 pmORD - TLL
2 stops36h 20mScandinavian Airlines
Thu 12/48:00 pmTLL - ORD
2 stops28h 45mScandinavian Airlines
Deal found 10/30$421
This oojo deal was found by Cheapflights users on 10/29. 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.
Wed 11/267:20 pmORD - TLL
2 stops20h 20mScandinavian Airlines
Wed 12/38:00 pmTLL - ORD
2 stops28h 45mScandinavian Airlines
Deal found 10/29$431
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/2610:35 pmORD - TLL
1 stop17h 15mLufthansa
Wed 12/31:55 pmTLL - ORD
1 stop14h 10mLufthansa
Deal found 10/29$441
This Mytrip deal was found by Cheapflights users on 10/29. 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 11/268:00 amORD - TLL
2 stops28h 05mMultiple Airlines
Wed 12/36:00 amTLL - ORD
1 stop15h 10mMultiple Airlines
Deal found 10/29$457
This oojo deal was found by Cheapflights users on 10/29. 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 stop22h 05mScandinavian Airlines
Sat 12/63:45 pmTLL - ORD
1 stop33h 00mScandinavian Airlines
Deal found 10/29$460
This oojo deal was found by Cheapflights users on 10/29. 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.
Mon 11/247:20 pmORD - TLL
1 stop22h 05mScandinavian Airlines
Sat 12/64:20 pmTLL - ORD
2 stops32h 25mScandinavian Airlines
Deal found 10/29$461
This FlightHub deal was found by Cheapflights users on 10/28. 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.
Mon 12/89:55 pmORD - TLL
1 stop19h 50mLOT
Mon 12/156:30 pmTLL - ORD
1 stop33h 30mLOT
Deal found 10/28$465
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Fri 11/2810:35 pmORD - TLL
1 stop17h 05mLufthansa
Fri 12/56:05 amTLL - ORD
1 stop15h 05mLufthansa
Deal found 10/29$466
This oojo deal was found by Cheapflights users on 10/28. 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.
Mon 11/247:20 pmORD - TLL
1 stop22h 05mScandinavian Airlines
Mon 12/88:00 pmTLL - ORD
2 stops52h 45mScandinavian Airlines
Deal found 10/28$471
This FlightHub deal was found by Cheapflights users on 10/28. 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.
Mon 12/89:55 pmORD - TLL
1 stop19h 50mLOT
Wed 12/176:30 pmTLL - ORD
1 stop29h 50mLOT
Deal found 10/28$475
This FlightHub deal was found by Cheapflights users on 10/28. 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.
Mon 12/812:50 pmORD - TLL
2 stops16h 05mMultiple Airlines
Tue 12/166:15 amTLL - ORD
1 stop14h 55mMultiple Airlines
Deal found 10/28$476

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 October 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$404
(Scandinavian Airlines)

One-way from

$325
(Kiwi.com)

Popular in

September

Cheapest in

March

Average price

$765
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. 13% potential increase in price ($113 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 October 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 October 30, 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

Thu 2/19

7:30 am-3:10 pm

2 stops23h 40m

Tallinn

Tue 3/10

8:00 pm-5:45 pm

2 stops28h 45m

$404

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 2/21

7:20 pm-3:10 pm

1 stop11h 50m

Tallinn

Wed 3/11

11:00 am-5:45 pm

1 stop13h 45m

$449

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 2/18

7:20 pm-3:10 pm

1 stop11h 50m

Tallinn

Thu 3/12

11:00 am-5:45 pm

1 stop13h 45m

$449

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 11/24

7:20 pm-3:00 pm

2 stops35h 40m

Tallinn

Mon 12/8

8:00 pm-4:45 pm

2 stops52h 45m

$471

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 2/21

7:20 pm-3:10 pm

1 stop11h 50m

Tallinn

Thu 3/12

7:00 am-5:45 pm

2 stops17h 45m

$476

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Thu 2/19

7:20 pm-3:10 pm

1 stop11h 50m

Tallinn

Thu 3/12

7:00 am-5:45 pm

2 stops17h 45m

$476

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 12/10

12:50 pm-5:10 pm

2 stops20h 20m

Tallinn

Wed 12/17

6:00 am-8:10 pm

2 stops22h 10m

$487

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 12/7

12:50 pm-5:10 pm

2 stops20h 20m

Tallinn

Wed 12/17

6:00 am-8:10 pm

2 stops22h 10m

$487

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 12/9

6:25 pm-4:50 pm

1 stop14h 25m

Tallinn

Wed 12/17

6:00 am-8:10 pm

2 stops22h 10m

$487

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 2/17

12:50 pm-4:50 pm

2 stops20h 00m

Tallinn

Thu 3/12

6:20 am-9:05 pm

1 stop21h 45m

$488

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 26 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 $423). Flying from Illinois to Estonia in July is currently the most expensive (average of $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.

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 October 30, 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 13h 35m. Scandinavian Airlines provides one of the quickest options available for as low as $628. 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 $423). Flying from Illinois to Estonia in July is currently the most expensive (average of $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

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$424Average$460FlexibilityNo cancel feeOn-time77%
FinnairCheapest$513Average$763FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$529Average$680FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$535Average$725FlexibilityNo cancel feeOn-time76%

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