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Tallinn

$316+ Cheap flights from Chicago (CHI) 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — TLL
Dec 17 — Dec 241
Wed 12/17
Wed 12/24
1 adult, Economy
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Find flight deals from Chicago to Tallinn

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

This United Airlines deal was found by Cheapflights users on 11/17. 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 12/316:10 pmORD - TLL
2 stops34h 40mUnited Airlines
Thu 1/85:55 pmTLL - ORD
2 stops47h 08mUnited Airlines
Deal found 11/17$540
This United Airlines deal was found by Cheapflights users on 11/17. 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.
Tue 12/22:39 pmORD - TLL
2 stops18h 11mUnited Airlines
Fri 12/126:05 amTLL - ORD
2 stops19h 43mUnited Airlines
Deal found 11/17$546
This United Airlines deal was found by Cheapflights users on 11/17. 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 12/316:10 pmORD - TLL
2 stops34h 40mUnited Airlines
Wed 1/71:55 pmTLL - ORD
2 stops36h 42mUnited Airlines
Deal found 11/17$568
This Cheapflightsfares deal was found by Cheapflights users on 11/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:25 pmORD - TLL
1 stop21h 30mLufthansa
Fri 12/121:35 pmTLL - ORD
1 stop14h 30mLufthansa
Deal found 11/17$605
This KAYAK deal was found by Cheapflights users on 11/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:20 pmORD - TLL
1 stop11h 50mScandinavian Airlines
Wed 1/73:45 pmTLL - ORD
2 stops37h 50mScandinavian Airlines
Deal found 11/17$628
This United Airlines deal was found by Cheapflights users on 11/17. 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.
Tue 12/309:50 pmORD - TLL
2 stops55h 00mUnited Airlines
Thu 1/85:55 pmTLL - ORD
2 stops49h 08mUnited Airlines
Deal found 11/17$658
This Kiwi.com deal was found by Cheapflights users on 11/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/29:55 pmORD - TLL
1 stop11h 55mLOT
Fri 12/126:30 pmTLL - ORD
1 stop33h 30mLOT
Deal found 11/17$672
This United Airlines deal was found by Cheapflights users on 11/17. 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.
Tue 12/309:50 pmORD - TLL
2 stops55h 00mUnited Airlines
Wed 1/71:55 pmTLL - ORD
2 stops36h 42mUnited Airlines
Deal found 11/17$686
This United Airlines deal was found by Cheapflights users on 11/17. 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.
Mon 12/299:05 pmORD - TLL
2 stops32h 05mUnited Airlines
Thu 1/85:55 pmTLL - ORD
2 stops49h 08mUnited Airlines
Deal found 11/17$710
This KAYAK deal was found by Cheapflights users on 11/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/289:50 pmORD - TLL
1 stop18h 15mLufthansa
Wed 1/71:55 pmTLL - ORD
2 stops32h 15mLufthansa
Deal found 11/17$731

Cheap flight deals from Chicago to Tallinn

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Tallinn (TLL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$429
(KAYAK)

One-way from

$316
(Kiwi.com)

Popular in

September

Cheapest in

March

Average price

$598
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 Chicago (CHI) to Tallinn
Search Deals
One-way flight from Chicago (CHI) 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 ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 November 17, 2025.
Use the filters below to find and compare flights from Chicago to Tallinn that are best for you.

Fly from

Chicago

Fly to

Tallinn

Route

Depart

Return

Price

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 2/6

6:25 pm-3:10 pm

2 stops36h 45m

Tallinn

Sat 2/14

3:45 pm-4:55 pm

1 stop33h 10m

$429

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 2/28

7:20 pm-10:20 am

1 stop31h 00m

Tallinn

Sun 3/8

6:50 am-4:45 pm

2 stops17h 55m

$441

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 1/11

7:10 pm-3:10 pm

1 stop12h 00m

Tallinn

Sun 1/25

6:50 am-4:55 pm

2 stops18h 05m

$441

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 5/5

7:00 am-10:45 am

2 stops19h 45m

Tallinn

Fri 5/8

4:00 pm-4:10 pm

2 stops32h 10m

$461

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 12/2

10:59 am-9:50 pm

2 stops26h 51m

$316

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 2/27

2:20 pm-7:25 am

3 stops57h 05m

$321

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 5/5

8:50 pm-12:05 am

3 stops19h 15m

$332

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 5/6

8:50 pm-9:45 am

3 stops28h 55m

$363

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 5/6

7:15 pm-3:15 pm

1 stop12h 00m

$367

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 2/28

7:20 pm-12:05 am

2 stops20h 45m

$367

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/16

Showing 1-10 of 15 results
1
2

Compare providers for flights from Chicago to Tallinn

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Tallinn in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Tallinn flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Tallinn flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Tallinn flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Tallinn flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Tallinn flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Tallinn

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

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

Currently, April is the cheapest month in which you can book a flight from Chicago to Tallinn (average of $423). Flying from Chicago to Tallinn in July is currently the most expensive (average of $805). 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 CHI to TLL?

Find hourly flight availability from Chicago 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 November 17, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 17% on flights from Chicago to Tallinn by exploring options for tickets in the evening.

Reviews of airlines servicing Tallinn

Get insights into the airlines that provide service to Tallinn. 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 Tallinn. Reviews last updated November 17, 2025.
Read through reviews of airlines operating flights from Chicago to Tallinn, such as Finnair, Scandinavian Airlines, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,334 reviews

Overall

7.6

Food

6.7

Boarding

7.6

Crew

8.1

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Finnair
7.6
Good
1,334 reviews
Finnair
7.6
Good
1,334 reviews

Overall

7.6

Food

6.7

Boarding

7.6

Crew

8.1

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Scandinavian Airlines
7.4
Good
1,582 reviews
Finnair
7.6
Good
1,334 reviews

Overall

7.6

Food

6.7

Boarding

7.6

Crew

8.1

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
United Airlines
7.4
Good
9,015 reviews
Finnair
7.6
Good
1,334 reviews

Overall

7.6

Food

6.7

Boarding

7.6

Crew

8.1

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Lufthansa
6.8
Okay
7,576 reviews
Finnair
7.6
Good
1,334 reviews

Overall

7.6

Food

6.7

Boarding

7.6

Crew

8.1

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 Chicago?

    If you book a flight to Tallinn from Chicago, 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. There are 0 flights from Chicago to Tallinn per day from 4 different airlines.

  • How long is the flight from Chicago to Tallinn?

    Departing from Chicago to Tallinn will take you 36h 45m. There are 4456 mi between Chicago and Tallinn.

  • What are the cheapest airlines flying from Chicago to Tallinn round-trip?

    Flying on Scandinavian Airlines is currently your cheapest option to Tallinn, with prices starting at $424. Additional round-trip tickets that might be worth considering are offered by Lufthansa and Finnair, with the lowest prices starting at $486 and $513, respectively. Scandinavian Airlines is priced at 41% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Chicago to Tallinn (average of $423). Flying from Chicago to Tallinn in July is currently the most expensive (average of $805). 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 Chicago to Tallinn

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Tallinn flights
St. Louis to Tallinn flights
O'Hare Intl to Tartu flights

Top 4 airlines flying from Chicago to Tallinn

Discover the top 4 airlines that operate flights from Chicago 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 November 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$424Average$460FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$486Average$725FlexibilityNo cancel feeOn-time76%
FinnairCheapest$513Average$763FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$554Average$680FlexibilityNo cancel feeOn-time69%

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