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Estonia

$424+ Cheap flights from Illinois to Estonia

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TLL
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$424
(oojo)

Popular in

June

Cheapest in

March

Average price

$785
From Illinois to Estonia
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($150 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 31, 2025.

This oojo deal was found by Cheapflights users on 7/30. 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.
Sun 11/27:20 pmORD - TLL
2 stops20h 20mScandinavian Airlines
Tue 12/23:40 pmTLL - ORD
2 stops33h 05mScandinavian Airlines
Deal found 7/30$424
This Lufthansa deal was found by Cheapflights users on 7/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:50 pmORD - TLL
1 stop22h 15mMultiple Airlines
Wed 12/102:00 pmTLL - ORD
1 stop14h 05mMultiple Airlines
Deal found 7/30$494
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/36:35 pmORD - TLL
1 stop21h 45mUnited Airlines
Wed 9/102:45 pmTLL - ORD
1 stop13h 10mUnited Airlines
Deal found 7/30$530
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1711:45 pmORD - TLL
1 stop27h 55mTurkish Airlines
Tue 9/237:35 pmTLL - ORD
1 stop22h 05mTurkish Airlines
Deal found 7/30$547
This Travelocity deal was found by Cheapflights users on 7/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/910:48 amORD - TLL
2 stops18h 02mAir Canada
Tue 9/167:20 amTLL - ORD
2 stops15h 35mAir Canada
Deal found 7/30$548
This Lufthansa deal was found by Cheapflights users on 7/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/233:35 pmORD - TLL
1 stop18h 50mLufthansa
Tue 10/212:35 pmTLL - ORD
1 stop13h 20mLufthansa
Deal found 7/30$556
This Justfly.com deal was found by Cheapflights users on 7/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/174:55 pmORD - TLL
2 stops21h 00mBritish Airways
Tue 9/2311:35 amTLL - ORD
2 stops34h 15mBritish Airways
Deal found 7/30$631
This oojo deal was found by Cheapflights users on 7/31. 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 8/202:20 pmORD - TLL
1 stop27h 15mSWISS
Sat 8/306:00 amTLL - ORD
1 stop14h 10mSWISS
Deal found 7/31$636

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 July 31, 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

Sun 11/2

7:20 pm-11:40 pm

2 stops20h 20m

Tallinn

Tue 12/2

3:40 pm-4:45 pm

2 stops33h 05m

$424

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 12/3

6:50 pm-1:05 am

1 stop22h 15m

Tallinn

Wed 12/10

2:00 pm-8:05 pm

1 stop14h 05m

$494

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 9/3

6:35 pm-12:20 am

1 stop21h 45m

Tallinn

Wed 9/10

2:45 pm-7:55 pm

1 stop13h 10m

$530

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 9/17

11:45 pm-11:40 am

1 stop27h 55m

Tallinn

Tue 9/23

7:35 pm-9:40 am

1 stop22h 05m

$547

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 9/9

10:48 am-12:50 pm

2 stops18h 02m

Tallinn

Tue 9/16

7:20 am-2:55 pm

2 stops15h 35m

$548

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 9/23

3:35 pm-6:25 pm

1 stop18h 50m

Tallinn

Tue 10/21

2:35 pm-7:55 pm

1 stop13h 20m

$556

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 9/17

4:55 pm-9:55 pm

2 stops21h 00m

Tallinn

Tue 9/23

11:35 am-1:50 pm

2 stops34h 15m

$631

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 8/20

2:20 pm-1:35 am

1 stop27h 15m

Tallinn

Sat 8/30

6:00 am-12:10 pm

1 stop14h 10m

$636

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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 $968). 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 July 31, 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.

Reviews of airlines servicing Estonia

Get insights into the airlines that provide service to Estonia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Estonia. Reviews last updated July 31, 2025.
See what other customers who have flown with SWISS, United Airlines, and Scandinavian Airlines from Illinois to Estonia have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,686 reviews

Overall

7.5

Comfort

7.4

Crew

8.2

Boarding

7.7

Food

7.1

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
SWISS
7.5
Good
1,686 reviews
SWISS
7.5
Good
1,686 reviews

Overall

7.5

Comfort

7.4

Crew

8.2

Boarding

7.7

Food

7.1

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
United Airlines
7.4
Good
8,900 reviews
SWISS
7.5
Good
1,686 reviews

Overall

7.5

Comfort

7.4

Crew

8.2

Boarding

7.7

Food

7.1

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
Scandinavian Airlines
7.4
Good
1,457 reviews
SWISS
7.5
Good
1,686 reviews

Overall

7.5

Comfort

7.4

Crew

8.2

Boarding

7.7

Food

7.1

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
Turkish Airlines
7.3
Good
3,933 reviews
SWISS
7.5
Good
1,686 reviews

Overall

7.5

Comfort

7.4

Crew

8.2

Boarding

7.7

Food

7.1

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
Air Canada
7.1
Good
9,851 reviews
SWISS
7.5
Good
1,686 reviews

Overall

7.5

Comfort

7.4

Crew

8.2

Boarding

7.7

Food

7.1

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

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.

  • 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 $968). 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

Browse thousands of different options on Cheapflights for your next trip

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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$414Average$460FlexibilityNo cancel feeOn-time77%
FinnairCheapest$507Average$732FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$528Average$680FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$535Average$594FlexibilityNo cancel feeOn-time76%

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