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$522+ Cheap flights from Tallinn (TLL) to Illinois

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
TLL — ORD
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Tallinn to Illinois

Keep the following information in mind while searching for Tallinn to Illinois flight deals. Data was last updated April 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$601
(American Airlines)

Popular in

July

Cheapest in

February

Average price

$494
Provider with most accurate pricing for Tallinn Ulemiste-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Tallinn Ulemiste-Chicago (CHI) flights.
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From Tallinn Ulemiste to Illinois
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Highest demand for flights based on searches. 15% potential increase in price ($119 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 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 Tallinn to Illinois

Cheapest flights from Tallinn to Illinois
Explore the most affordable flight options available from Tallinn to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

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 11/56:00 amTLL - ORD
2 stops21h 20mFinnair
Wed 11/1911:45 amORD - TLL
2 stops18h 30mFinnair
Deal found 4/17$522
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 11/56:20 pmTLL - ORD
1 stop33h 40mLOT
Wed 11/199:55 pmORD - TLL
1 stop31h 30mLOT
Deal found 4/17$541
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/53:45 pmTLL - ORD
1 stop33h 00mScandinavian Airlines
Wed 11/1910:10 amORD - TLL
2 stops21h 00mScandinavian Airlines
Deal found 4/16$586
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.
Sat 5/246:55 amTLL - ORD
1 stop18h 30mMultiple Airlines
Wed 5/289:15 pmORD - TLL
2 stops14h 20mMultiple Airlines
Deal found 4/17$601
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 11/56:25 amTLL - ORD
2 stops34h 32mUnited Airlines
Wed 11/1910:35 pmORD - TLL
1 stop17h 20mUnited Airlines
Deal found 4/17$670
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.
Mon 5/57:10 pmTLL - ORD
2 stops25h 45mLufthansa
Sun 5/119:40 pmORD - TLL
2 stops18h 40mLufthansa
Deal found 4/17$803

Cheapflights Fare Finder

Customize your flight search to find flights from Tallinn to Illinois 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 Tallinn to Illinois that are best for you.

Fly from

Tallinn

Fly to

Illinois

Route

Depart

Return

Price

TallinnChicago

TLL - ORD

TLLORD

Tallinn Ulemiste

Sat 5/24

6:55 am-5:25 pm

1 stop18h 30m

Chicago O'Hare Intl

Wed 5/28

9:15 pm-7:35 pm

2 stops14h 20m

$601

TallinnChicago

TLL - ORD

TLLORD

Tallinn Ulemiste

Mon 5/5

7:10 pm-12:55 pm

2 stops25h 45m

Chicago O'Hare Intl

Sun 5/11

9:40 pm-12:20 am

2 stops18h 40m

$803

TallinnChicago

TLL - ORD

TLLORD

Tallinn Ulemiste

Fri 5/2

7:00 am-6:25 pm

2 stops19h 25m

Chicago O'Hare Intl

Sat 5/10

7:00 am-3:10 pm

2 stops24h 10m

$815

TallinnChicago

TLL - ORD

TLLORD

Tallinn Ulemiste

Fri 5/2

6:00 am-2:45 pm

2 stops16h 45m

Chicago O'Hare Intl

Sat 5/10

4:44 pm-4:05 pm

2 stops15h 21m

$818

TallinnChicago

TLL - ORD

TLLORD

Tallinn Ulemiste

Thu 5/1

2:40 pm-7:55 pm

1 stop13h 15m

Chicago O'Hare Intl

Sat 5/10

10:30 pm-12:20 am

1 stop17h 50m

$873

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Best time to book a flight from Tallinn to Illinois

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

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

Currently, August is the cheapest month in which you can book a flight from Tallinn to Illinois (average of $245). Flying from Tallinn to Illinois in March is currently the most expensive (average of $321). 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 TLL to IL?

Find hourly flight availability from Tallinn to Illinois. 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.

When flying from Tallinn to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated April 17, 2025.
Finnair
7.6
Good
1,269 reviews

Entertainment

6.9

Boarding

7.6

Comfort

7.4

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Finnair
7.6
Good
1,269 reviews
Finnair
7.6
Good
1,269 reviews

Entertainment

6.9

Boarding

7.6

Comfort

7.4

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
United Airlines
7.4
Good
8,667 reviews
Finnair
7.6
Good
1,269 reviews

Entertainment

6.9

Boarding

7.6

Comfort

7.4

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Scandinavian Airlines
7.3
Good
1,335 reviews
Finnair
7.6
Good
1,269 reviews

Entertainment

6.9

Boarding

7.6

Comfort

7.4

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Lufthansa
6.7
Okay
7,012 reviews
Finnair
7.6
Good
1,269 reviews

Entertainment

6.9

Boarding

7.6

Comfort

7.4

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.

Related info for your journey

Find useful and relevant information for your journey from Tallinn to Illinois. 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 from for flights from Tallinn to Illinois?

    For a flight from Tallinn to Illinois, you will be flying from Ulemiste. Tallinn Ulemiste (TLL) is just 2.1 mi from the center of the city.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Tallinn to Illinois (average of $245). Flying from Tallinn to Illinois in March is currently the most expensive (average of $321). 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 airline flying from Tallinn to Illinois

Discover the top airline that operate flights from Tallinn to Illinois. 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
FinnairCheapest$441Average$672FlexibilityNo cancel feeOn-time76%

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