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Tallinn

$260+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TLL
Mar 12 — Mar 191
Thu 3/12
Thu 3/19
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 February 10, 2026.

This oojo deal was found by Cheapflights users on 2/7. 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 3/98:20 pm
ORD
-
TLL
1 stop11h 50m
Scandinavian Airlines
Mon 3/166:25 am
TLL
-
ORD
1 stop18h 20m
Scandinavian Airlines
Deal found 2/7$442
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Tue 3/1010:55 pm
ORD
-
TLL
1 stop11h 55m
LOT
Tue 3/172:05 pm
TLL
-
ORD
1 stop13h 55m
LOT
Deal found 2/8$460
This oojo deal was found by Cheapflights users on 2/9. 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.
Tue 3/2410:55 pm
ORD
-
TLL
1 stop31h 30m
LOT
Tue 3/316:25 pm
TLL
-
ORD
1 stop33h 25m
LOT
Deal found 2/9$463
This FlightHub deal was found by Cheapflights users on 2/8. 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 4/107:15 pm
ORD
-
TLL
1 stop31h 30m
Scandinavian Airlines
Sun 4/1910:40 am
TLL
-
ORD
2 stops37h 30m
Scandinavian Airlines
Deal found 2/8$469
This oojo deal was found by Cheapflights users on 2/10. 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 9/77:15 pm
ORD
-
TLL
1 stop31h 30m
Scandinavian Airlines
Sun 9/133:50 pm
TLL
-
ORD
1 stop32h 20m
Scandinavian Airlines
Deal found 2/10$472
This oojo deal was found by Cheapflights users on 2/8. 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 3/17:20 pm
ORD
-
TLL
2 stops20h 20m
Scandinavian Airlines
Mon 3/167:00 am
TLL
-
ORD
2 stops17h 45m
Scandinavian Airlines
Deal found 2/8$473
This Mytrip deal was found by Cheapflights users on 2/8. 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.
Tue 3/101:55 pm
ORD
-
TLL
2 stops16h 15m
Multiple Airlines
Tue 3/177:25 am
TLL
-
ORD
2 stops19h 20m
Multiple Airlines
Deal found 2/8$487
This Scandinavian Airlines deal was found by Cheapflights users on 2/7. 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.
Sun 9/67:15 pm
ORD
-
TLL
1 stop12h 00m
Scandinavian Airlines
Sat 9/1911:20 am
TLL
-
ORD
1 stop12h 50m
Scandinavian Airlines
Deal found 2/7$488
This United Airlines deal was found by Cheapflights users on 2/8. 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 3/2511:35 pm
ORD
-
TLL
1 stop17h 20m
United Airlines
Wed 4/16:10 am
TLL
-
ORD
1 stop12h 50m
United Airlines
Deal found 2/8$491
This FlightHub deal was found by Cheapflights users on 2/10. 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 8/123:30 pm
STL
-
TLL
1 stop13h 40m
Lufthansa
Tue 8/256:10 am
TLL
-
STL
1 stop15h 15m
Lufthansa
Deal found 2/10$512
This United Airlines deal was found by Cheapflights users on 2/9. 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 8/1212:10 pm
STL
-
TLL
2 stops17h 00m
United Airlines
Tue 8/256:10 am
TLL
-
STL
1 stop15h 15m
United Airlines
Deal found 2/9$517
This United Airlines deal was found by Cheapflights users on 2/8. 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 3/252:50 pm
STL
-
TLL
2 stops26h 05m
United Airlines
Wed 4/16:10 am
TLL
-
STL
1 stop15h 15m
United Airlines
Deal found 2/8$558

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 February 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$442
(oojo)

One-way from

$270
(American Airlines)

Popular in

September

Cheapest in

October

Average price

$517
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. 5% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 10, 2026.
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 3/10

10:55 pm-5:50 pm

1 stop11h 55m

Tallinn

Tue 3/17

2:05 pm-9:00 pm

1 stop13h 55m

$460

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 4/10

7:15 pm-10:45 am

1 stop31h 30m

Tallinn

Sun 4/19

10:40 am-4:10 pm

2 stops37h 30m

$469

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 3/1

7:20 pm-11:40 pm

2 stops20h 20m

Tallinn

Mon 3/16

6:25 am-5:45 pm

1 stop18h 20m

$473

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 3/10

1:55 pm-1:10 pm

2 stops16h 15m

Tallinn

Tue 3/17

7:25 am-7:45 pm

2 stops19h 20m

$487

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 3/10

5:05 pm-1:10 pm

1 stop13h 05m

Tallinn

Tue 3/17

6:15 am-6:45 pm

2 stops19h 30m

$494

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 3/25

11:35 pm-11:55 pm

1 stop17h 20m

Tallinn

Wed 4/1

1:50 pm-11:27 am

2 stops29h 37m

$501

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 5/11

2:15 pm-1:05 pm

2 stops14h 50m

Tallinn

Wed 6/10

6:10 am-12:55 pm

1 stop14h 45m

$519

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 8/3

7:15 pm-1:30 am

1 stop22h 15m

Tallinn

Sat 8/15

3:50 pm-4:10 pm

1 stop32h 20m

$525

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 5/11

11:25 am-6:40 pm

1 stop23h 15m

Tallinn

Wed 6/10

11:15 am-6:15 pm

1 stop39h 00m

$531

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Wed 3/25

2:50 pm-11:55 pm

2 stops26h 05m

Tallinn

Wed 4/1

6:10 am-1:25 pm

1 stop15h 15m

$558

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 18 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, October is the cheapest month in which you can book a flight from Illinois to Tallinn (average of $433). Flying from Illinois to Tallinn in July is currently the most expensive (average of $820). 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.

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 11h 55m. Fly via LOT, Scandinavian Airlines, or United Airlines to get the fastest option. The distance between Illinois and Tallinn is about 4456 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, October is the cheapest month in which you can book a flight from Illinois to Tallinn (average of $433). Flying from Illinois to Tallinn in July is currently the most expensive (average of $820). 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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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 February 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$433Average$559FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$486Average$680FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$492Average$848FlexibilityNo cancel feeOn-time76%
FinnairCheapest$678Average$989FlexibilityNo cancel feeOn-time76%

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