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Estonia

$467+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TLL
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$467
(Scandinavian Airlines)

Popular in

July

Cheapest in

March

Average price

$581
Provider with most accurate pricing for Chicago (CHI)-Tallinn Ulemiste flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Tallinn Ulemiste flights.
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From Illinois to Estonia
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($258 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 17, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 4/17. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/157:15 pmORD - TLL
1 stop22h 10mScandinavian Airlines
Tue 9/236:20 amTLL - ORD
1 stop17h 50mScandinavian Airlines
Deal found 4/17$467
This Travelocity deal was found by Cheapflights users on 4/16. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/67:05 pmORD - TLL
1 stop22h 25mMultiple Airlines
Mon 8/187:10 pmTLL - ORD
2 stops32h 34mMultiple Airlines
Deal found 4/16$563
This Finnair deal was found by Cheapflights users on 4/17. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/78:30 pmORD - TLL
2 stops15h 05mFinnair
Wed 5/1412:55 pmTLL - ORD
1 stop12h 55mFinnair
Deal found 4/17$571
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Wed 9/32:08 pmORD - TLL
2 stops26h 12mUnited Airlines
Wed 9/106:00 amTLL - ORD
2 stops16h 50mUnited Airlines
Deal found 4/17$573
This SWISS deal was found by Cheapflights users on 4/17. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/162:20 pmORD - TLL
1 stop27h 10mSWISS
Fri 9/266:00 amTLL - ORD
1 stop14h 10mSWISS
Deal found 4/17$610
This Lufthansa deal was found by Cheapflights users on 4/17. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1710:30 pmORD - TLL
1 stop17h 50mLufthansa
Tue 9/236:50 pmTLL - ORD
1 stop26h 05mLufthansa
Deal found 4/17$640
This oojo deal was found by Cheapflights users on 4/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/69:40 pmORD - TLL
1 stop32h 00mLOT
Mon 8/186:30 pmTLL - ORD
1 stop33h 10mLOT
Deal found 4/17$652
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/239:30 pmORD - TLL
1 stop10h 40mAmerican Airlines
Tue 4/296:55 amTLL - ORD
2 stops18h 05mAmerican Airlines
Deal found 4/17$724
This FlightHub deal was found by Cheapflights users on 4/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1911:25 amORD - TLL
1 stop23h 15mTurkish Airlines
Tue 9/237:35 pmTLL - ORD
1 stop22h 05mTurkish Airlines
Deal found 4/17$729
This British Airways deal was found by Cheapflights users on 4/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/229:30 pmORD - TLL
1 stop16h 25mBritish Airways
Mon 4/286:00 amTLL - ORD
1 stop19h 50mBritish Airways
Deal found 4/17$765
This Air Canada deal was found by Cheapflights users on 4/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/212:00 pmORD - TLL
2 stops17h 05mAir Canada
Tue 6/247:20 amTLL - ORD
2 stops36h 04mAir Canada
Deal found 4/17$776
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/14:44 pmORD - TAY
2 stops24h 01mMultiple Airlines
Sun 6/82:50 pmTAY - ORD
1 stop11h 00mMultiple Airlines
Deal found 4/17$990

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 April 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 9/15

7:15 pm-1:25 am

1 stop22h 10m

Tallinn Ulemiste

Tue 9/23

6:20 am-4:10 pm

1 stop17h 50m

$467

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 8/6

7:05 pm-1:30 am

1 stop22h 25m

Tallinn Ulemiste

Mon 8/18

7:10 pm-7:44 pm

2 stops32h 34m

$563

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 5/7

8:30 pm-7:35 pm

2 stops15h 05m

Tallinn Ulemiste

Wed 5/14

12:55 pm-5:50 pm

1 stop12h 55m

$571

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 9/3

2:08 pm-12:20 am

2 stops26h 12m

Tallinn Ulemiste

Wed 9/10

6:00 am-2:50 pm

2 stops16h 50m

$573

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 9/16

2:20 pm-1:30 am

1 stop27h 10m

Tallinn Ulemiste

Fri 9/26

6:00 am-12:10 pm

1 stop14h 10m

$610

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 9/17

10:30 pm-12:20 am

1 stop17h 50m

Tallinn Ulemiste

Tue 9/23

6:50 pm-12:55 pm

1 stop26h 05m

$640

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 8/6

9:40 pm-1:40 pm

1 stop32h 00m

Tallinn Ulemiste

Mon 8/18

6:30 pm-7:40 pm

1 stop33h 10m

$652

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 9/19

11:25 am-6:40 pm

1 stop23h 15m

Tallinn Ulemiste

Tue 9/23

7:35 pm-9:40 am

1 stop22h 05m

$729

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 6/2

12:00 pm-1:05 pm

2 stops17h 05m

Tallinn Ulemiste

Tue 6/24

7:20 am-11:24 am

2 stops36h 04m

$776

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 9/15

4:55 pm-4:55 pm

2 stops16h 00m

Tallinn Ulemiste

Thu 9/25

10:00 am-11:46 pm

2 stops21h 46m

$878

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 19 results
1
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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 $1,046). 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 April 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.

Rainfall in Estonia by month

Plan your trip to Estonia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Estonia ranges from 1.3 - 3.3 inches per month. August is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Estonia when rainfall is around 1.3 in.

Temperature in Estonia by month

Plan your trip to Estonia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Estonia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 23.0 F).

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 April 17, 2025.
See what other customers who have flown with LOT, Finnair and SWISS from Illinois to Estonia have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.6
Good
1,065 reviews

Entertainment

7.0

Boarding

7.6

Comfort

7.5

Overall

7.6

Crew

8.2

Food

7.2

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
LOT
7.6
Good
1,065 reviews
LOT
7.6
Good
1,065 reviews

Entertainment

7.0

Boarding

7.6

Comfort

7.5

Overall

7.6

Crew

8.2

Food

7.2

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
Finnair
7.6
Good
1,269 reviews
LOT
7.6
Good
1,065 reviews

Entertainment

7.0

Boarding

7.6

Comfort

7.5

Overall

7.6

Crew

8.2

Food

7.2

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
SWISS
7.5
Good
1,580 reviews
LOT
7.6
Good
1,065 reviews

Entertainment

7.0

Boarding

7.6

Comfort

7.5

Overall

7.6

Crew

8.2

Food

7.2

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
United Airlines
7.4
Good
8,667 reviews
LOT
7.6
Good
1,065 reviews

Entertainment

7.0

Boarding

7.6

Comfort

7.5

Overall

7.6

Crew

8.2

Food

7.2

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
Turkish Airlines
7.3
Good
3,769 reviews
LOT
7.6
Good
1,065 reviews

Entertainment

7.0

Boarding

7.6

Comfort

7.5

Overall

7.6

Crew

8.2

Food

7.2

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.

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.

  • What are the cheapest airlines to fly from Illinois to Estonia one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $596. Users have also found prices from $598 and $603 on Lufthansa and Scandinavian Airlines, respectively.

  • 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 $1,046). 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 5 airlines flying from Illinois to Estonia

Discover the top 5 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$414Average$460FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$529Average$680FlexibilityNo cancel feeOn-time69%
FinnairCheapest$532Average$763FlexibilityNo cancel feeOn-time76%
LOTCheapest$539Average$1,104FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$539Average$643FlexibilityNo cancel feeOn-time76%

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