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Tallinn

$323+ Cheap flights from Illinois to Tallinn (TLL)

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 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Cheap flight deals from Illinois to Tallinn

Keep the following information in mind while searching for Illinois to Tallinn flight deals. Data was last updated October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$391
(Justfly.com)

One-way from

$323
(Kiwi.com)

Popular in

September

Cheapest in

March

Average price

$765
Provider with most accurate pricing for Chicago (CHI)-Tallinn flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Tallinn flights.
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From Illinois to Tallinn
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One-way flight from Illinois to Tallinn
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Highest demand for flights based on searches. 13% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Illinois to Tallinn

Cheapest flights from Illinois to Tallinn
Explore the most affordable flight options available from Illinois to Tallinn. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This Justfly.com deal was found by Cheapflights users on 10/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/187:10 amORD - TLL
2 stops24h 00mScandinavian Airlines
Tue 12/28:00 pmTLL - ORD
2 stops28h 45mScandinavian Airlines
Deal found 10/15$391
This Gurufare deal was found by Cheapflights users on 10/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:30 pmORD - TLL
2 stops36h 40mScandinavian Airlines
Tue 12/233:45 pmTLL - ORD
1 stop33h 00mScandinavian Airlines
Deal found 10/16$429
This Mytrip deal was found by Cheapflights users on 10/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/297:20 pmORD - TLL
1 stop11h 50mScandinavian Airlines
Sat 12/64:20 pmTLL - ORD
2 stops32h 25mScandinavian Airlines
Deal found 10/15$450
This oojo deal was found by Cheapflights users on 10/14. 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 11/67:20 pmORD - TLL
1 stop22h 05mScandinavian Airlines
Wed 11/123:40 pmTLL - ORD
2 stops33h 05mScandinavian Airlines
Deal found 10/14$471
This Mytrip deal was found by Cheapflights users on 10/16. 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.
Sun 11/302:00 pmORD - TLL
2 stops22h 05mMultiple Airlines
Sun 12/71:55 pmTLL - ORD
1 stop14h 10mMultiple Airlines
Deal found 10/16$486
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/163:50 pmSTL - TLL
1 stop13h 05mLufthansa
Sun 11/236:15 amTLL - STL
1 stop15h 40mLufthansa
Deal found 10/15$490
This Booking.com deal was found by Cheapflights users on 10/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/184:20 pmORD - TLL
1 stop12h 50mLufthansa
Tue 12/26:05 pmTLL - ORD
1 stop27h 05mLufthansa
Deal found 10/15$501
This Booking.com deal was found by Cheapflights users on 10/16. 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 11/304:20 pmORD - TLL
1 stop16h 50mLufthansa
Sun 12/71:55 pmTLL - ORD
1 stop14h 10mLufthansa
Deal found 10/16$506
This oojo deal was found by Cheapflights users on 10/16. 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 11/307:20 pmORD - TLL
2 stops20h 20mScandinavian Airlines
Sun 12/74:10 pmTLL - ORD
2 stops32h 35mScandinavian Airlines
Deal found 10/16$510
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1611:45 amSTL - TLL
2 stops28h 05mUnited Airlines
Sun 11/236:15 amTLL - STL
1 stop15h 40mUnited Airlines
Deal found 10/15$536
This KLM deal was found by Cheapflights users on 10/15. 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.
Sun 11/1610:45 amSTL - TLL
2 stops18h 35mKLM
Sun 11/237:25 amTLL - STL
2 stops21h 21mKLM
Deal found 10/15$540
This Justfly.com deal was found by Cheapflights users on 10/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/254:05 pmSTL - TLL
2 stops20h 00mMultiple Airlines
Tue 12/26:05 pmTLL - STL
1 stop27h 50mMultiple Airlines
Deal found 10/15$551

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Tallinn 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 16, 2025.
Use the filters below to find and compare flights from Illinois to Tallinn that are best for you.

Fly from

Illinois

Fly to

Tallinn

Route

Depart

Return

Price

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 11/18

7:10 am-3:10 pm

2 stops24h 00m

Tallinn

Tue 12/2

8:00 pm-4:45 pm

2 stops28h 45m

$391

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 2/9

10:40 am-3:10 pm

2 stops20h 30m

Tallinn

Tue 2/24

8:00 pm-4:45 pm

2 stops28h 45m

$413

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 12/7

6:30 pm-3:10 pm

2 stops36h 40m

Tallinn

Tue 12/23

3:45 pm-4:45 pm

1 stop33h 00m

$429

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 11/29

7:20 pm-3:10 pm

1 stop11h 50m

Tallinn

Sat 12/6

4:20 pm-4:45 pm

2 stops32h 25m

$450

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Thu 11/6

7:20 pm-11:40 pm

2 stops20h 20m

Tallinn

Wed 11/12

3:40 pm-4:45 pm

2 stops33h 05m

$471

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 11/30

2:00 pm-8:05 pm

2 stops22h 05m

Tallinn

Sun 12/7

1:55 pm-8:05 pm

1 stop14h 10m

$486

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Sun 11/16

3:50 pm-12:55 pm

1 stop13h 05m

Tallinn

Sun 11/23

6:15 am-1:55 pm

1 stop15h 40m

$490

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 3/4

7:20 pm-11:40 pm

2 stops20h 20m

Tallinn

Sun 3/8

11:00 am-5:45 pm

1 stop13h 45m

$495

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Wed 12/10

4:05 pm-8:05 pm

2 stops20h 00m

Tallinn

Sun 1/11

7:00 am-3:29 pm

2 stops40h 29m

$540

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Tue 11/25

4:05 pm-8:05 pm

2 stops20h 00m

Tallinn

Tue 12/2

6:05 pm-1:55 pm

1 stop27h 50m

$551

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

Showing 1-10 of 20 results
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Best time to book a flight from Illinois to Tallinn

Have a flexible travel schedule? Discover the best time to fly to Tallinn 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 Tallinn

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

Currently, April is the cheapest month in which you can book a flight from Illinois to Tallinn (average of $423). Flying from Illinois to Tallinn in July is currently the most expensive (average of $802). 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 TLL?

Find hourly flight availability from Illinois to Tallinn. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Illinois to Tallinn in the evening. If you’re flexible enough to do this you can expect to save up to 35% on your trip compared to booking a flight in the afternoon.

Related info for your journey

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

  • What airport do you fly into for flights to Tallinn from Illinois?

    If you book a flight to Tallinn from Illinois, you will be flying to Tallinn, which is the city’s only airport. Tallinn (TLL) is located 2.1 mi from the center of Tallinn.

  • How long is the flight from Illinois to Tallinn?

    There are many flights that can get you from Illinois to Tallinn in 13h 05m. Fly via Scandinavian Airlines, Lufthansa, or Air Canada to get the fastest option. The distance between Illinois and Tallinn is about 4714 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $403. KLM flights start at $440 while deals on Lufthansa start at $509 one-way.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Illinois to Tallinn (average of $423). Flying from Illinois to Tallinn in July is currently the most expensive (average of $802). 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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Top 4 airlines flying from Illinois to Tallinn

Discover the top 4 airlines that operate flights from Illinois to Tallinn. 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 16, 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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