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Tallinn

$252+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TLL
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap 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 December 4, 2025.

This KAYAK deal was found by Cheapflights users on 12/2. 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.
Mon 12/156:35 pmORD - TLL
2 stops21h 20mLufthansa
Tue 12/236:15 amTLL - ORD
2 stops39h 55mLufthansa
Deal found 12/2$592
This KAYAK deal was found by Cheapflights users on 12/2. 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.
Mon 12/156:35 pmORD - TLL
2 stops21h 20mLufthansa
Mon 12/226:05 pmTLL - ORD
2 stops27h 25mLufthansa
Deal found 12/2$599
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Fri 12/126:45 pmORD - TLL
2 stops20h 55mUnited Airlines
Tue 12/236:15 amTLL - ORD
2 stops23h 24mUnited Airlines
Deal found 12/2$619
This KAYAK deal was found by Cheapflights users on 12/2. 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.
Fri 12/126:45 pmORD - TLL
2 stops20h 55mLufthansa
Mon 12/226:05 pmTLL - ORD
2 stops27h 25mLufthansa
Deal found 12/2$656
This KAYAK deal was found by Cheapflights users on 12/2. 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 12/107:20 pmORD - TLL
1 stop22h 05mScandinavian Airlines
Tue 12/233:40 pmTLL - ORD
2 stops57h 05mScandinavian Airlines
Deal found 12/2$661
This KAYAK deal was found by Cheapflights users on 12/2. 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.
Fri 12/126:45 pmORD - TLL
2 stops20h 55mLufthansa
Wed 12/171:55 pmTLL - ORD
2 stops29h 05mLufthansa
Deal found 12/2$664
This FlightHub deal was found by Cheapflights users on 12/3. 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.
Sun 12/141:57 pmSTL - TLL
2 stops36h 23mScandinavian Airlines
Sun 1/113:45 pmTLL - STL
2 stops39h 54mScandinavian Airlines
Deal found 12/3$670
This KAYAK deal was found by Cheapflights users on 12/2. 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.
Fri 12/126:45 pmORD - TLL
2 stops20h 55mLufthansa
Thu 12/185:55 pmTLL - ORD
2 stops28h 15mLufthansa
Deal found 12/2$683
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Sat 12/137:25 amORD - TLL
2 stops25h 45mUnited Airlines
Sat 12/205:55 pmTLL - ORD
2 stops34h 07mUnited Airlines
Deal found 12/2$684
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Sat 12/138:00 amORD - TLL
2 stops25h 10mUnited Airlines
Tue 12/236:15 amTLL - ORD
2 stops25h 29mUnited Airlines
Deal found 12/2$688
This KAYAK deal was found by Cheapflights users on 12/2. 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.
Thu 12/116:10 pmORD - TLL
2 stops46h 40mSWISS
Tue 12/236:05 amTLL - ORD
2 stops40h 05mSWISS
Deal found 12/2$705
This KAYAK deal was found by Cheapflights users on 12/2. 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.
Thu 12/116:10 pmORD - TLL
2 stops46h 40mSWISS
Mon 12/226:05 amTLL - ORD
2 stops39h 40mSWISS
Deal found 12/2$715

Find flight deals from Illinois to Tallinn

Keep the following information in mind while searching for Illinois to Tallinn flight deals. Data was last updated December 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$392
(FlightHub)

One-way from

$252
(Kiwi.com)

Popular in

September

Cheapest in

March

Average price

$874
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 Tallinn
Search Deals
One-way flight from Illinois to Tallinn
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($32 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 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 December 4, 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

Fri 2/6

6:59 pm-10:20 am

2 stops31h 21m

Tallinn

Sun 2/8

4:10 pm-4:45 pm

2 stops32h 35m

$394

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 2/6

6:59 pm-10:20 am

2 stops31h 21m

Tallinn

Sat 2/14

4:20 pm-4:55 pm

2 stops32h 35m

$402

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 2/24

7:05 am-3:10 pm

2 stops24h 05m

Tallinn

Sat 2/28

4:10 pm-4:45 pm

2 stops56h 35m

$415

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 2/15

7:10 pm-7:30 pm

2 stops16h 20m

Tallinn

Sun 2/22

4:10 pm-4:45 pm

2 stops32h 35m

$439

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 2/22

7:10 pm-10:30 am

2 stops31h 20m

Tallinn

Sat 2/28

4:10 pm-4:45 pm

2 stops32h 35m

$439

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 3/15

8:20 pm-7:30 pm

2 stops16h 10m

Tallinn

Thu 3/19

7:00 am-5:45 pm

2 stops17h 45m

$441

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

$527

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Fri 1/30

3:50 pm-5:00 pm

1 stop17h 10m

Tallinn

Tue 2/3

6:05 pm-3:29 pm

2 stops53h 24m

$546

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Wed 4/29

11:25 am-5:15 pm

2 stops21h 50m

Tallinn

Sat 5/9

6:10 am-7:25 pm

2 stops21h 15m

$570

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Thu 4/9

7:45 am-1:05 pm

2 stops21h 20m

Tallinn

Tue 4/21

1:50 pm-10:23 am

2 stops28h 33m

$575

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 23 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 $813). 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 December 4, 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.

How much does it cost to fly round-trip from Illinois to Tallinn?

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 17h 10m. Fly via Scandinavian Airlines, Air Canada, or United Airlines to get the fastest option. The distance between Illinois and Tallinn is about 4714 mi. This flight may include one or multiple stops.

  • 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 $813). 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 Tallinn

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 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$433Average$559FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$534Average$680FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$535Average$718FlexibilityNo cancel feeOn-time76%
FinnairCheapest$606Average$912FlexibilityNo cancel feeOn-time76%

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