$410 Cheap Flights from Chicago (ORD) to Tallinn (TLL)

View $410 flight on Tue, Dec 2, 2025Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Lennart Meri Airport (TLL)

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Cheap Flights from Chicago to Tallinn (ORD-TLL)

Prices were available within the past 7 days and start at $410 for one-way flights and $407 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Thu, Nov 13 - Thu, Nov 20
ORD
Chicago
TLL
Tallinn
$407 Roundtrip, found 5 days ago
$407
Roundtrip
found 5 days ago
Select Scandinavian Airlines flight, departing Thu, Nov 13 from Chicago to Tallinn, returning Thu, Nov 20, priced at $407 found 5 days ago
United
Tue, Dec 2 - Tue, Dec 9
ORD
Chicago
TLL
Tallinn
$502 Roundtrip, found 5 hours ago
$502
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Dec 2 from Chicago to Tallinn, returning Tue, Dec 9, priced at $502 found 5 hours ago
Lufthansa
Tue, Dec 2 - Tue, Dec 9
ORD
Chicago
TLL
Tallinn
$502 Roundtrip, found 5 hours ago
$502
Roundtrip
found 5 hours ago
Select Lufthansa flight, departing Tue, Dec 2 from Chicago to Tallinn, returning Tue, Dec 9, priced at $502 found 5 hours ago
Swiss International Air Lines
Sun, Aug 10 - Tue, Aug 26
ORD
Chicago
TLL
Tallinn
$502 Roundtrip, found 6 days ago
$502
Roundtrip
found 6 days ago
Select Swiss International Air Lines flight, departing Sun, Aug 10 from Chicago to Tallinn, returning Tue, Aug 26, priced at $502 found 6 days ago
Air Canada
Tue, Dec 2 - Tue, Dec 9
ORD
Chicago
TLL
Tallinn
$518 Roundtrip, found 5 hours ago
$518
Roundtrip
found 5 hours ago
Select Air Canada flight, departing Tue, Dec 2 from Chicago to Tallinn, returning Tue, Dec 9, priced at $518 found 5 hours ago
British Airways
Tue, Dec 2 - Tue, Dec 9
ORD
Chicago
TLL
Tallinn
$560 Roundtrip, found 5 hours ago
$560
Roundtrip
found 5 hours ago
Select British Airways flight, departing Tue, Dec 2 from Chicago to Tallinn, returning Tue, Dec 9, priced at $560 found 5 hours ago
LOT-Polish Airlines
Sat, Nov 1 - Mon, Nov 17
ORD
Chicago
TLL
Tallinn
$605 Roundtrip, found 1 day ago
$605
Roundtrip
found 1 day ago
Select LOT-Polish Airlines flight, departing Sat, Nov 1 from Chicago to Tallinn, returning Mon, Nov 17, priced at $605 found 1 day ago
American Airlines
Tue, Dec 2 - Tue, Dec 9
ORD
Chicago
TLL
Tallinn
$608 Roundtrip, found 5 hours ago
$608
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Tue, Dec 2 from Chicago to Tallinn, returning Tue, Dec 9, priced at $608 found 5 hours ago
Austrian Airlines
Tue, Sep 2 - Thu, Sep 18
ORD
Chicago
TLL
Tallinn
$616 Roundtrip, found 2 days ago
$616
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Tue, Sep 2 from Chicago to Tallinn, returning Thu, Sep 18, priced at $616 found 2 days ago
Turkish Airlines
Thu, Nov 13 - Thu, Nov 20
ORD
Chicago
TLL
Tallinn
$632 Roundtrip, found 5 days ago
$632
Roundtrip
found 5 days ago
Select Turkish Airlines flight, departing Thu, Nov 13 from Chicago to Tallinn, returning Thu, Nov 20, priced at $632 found 5 days ago

Find the cheapest month to fly from Chicago (ORD) to Tallinn (TLL)

November is typically the cheapest month to fly

From $459 - $939 per traveler.

Graph displaying average flight prices per month

Flights from Chicago (ORD) to Tallinn (TLL)
Origin airport
O'Hare Intl.
Destination airport
Lennart Meri
Airlines serving
Air Baltic, Air Canada, Air France, Alaska Airlines, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$406
Distance
4459 mi

Chicago to Tallinn Flights

The cheapest times to fly from Chicago to Tallinn

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Tallinn are during the month of November. You can find some of the cheapest flights from Chicago to Tallinn with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Tallinn

Sunday is one of the best days to book for cheap flights from Chicago to Tallinn: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Tallinn

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Tallinn in 2025. You can also book with separate airlines for your outbound and return journeys, from $410 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Tallinn flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Tallinn airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Lennart Meri Airport (TLL) cost?
Discover the latest flight deals from ORD to TLL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ORD to TLL?
The cheapest flights from ORD to TLL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from ORD to TLL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from ORD to TLL. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from O'Hare Intl. Airport (ORD) to Lennart Meri Airport (TLL)?
There are no daily direct flights available from O'Hare Intl. Airport (ORD) to Lennart Meri Airport (TLL). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from ORD to TLL?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Lennart Meri Airport (TLL)?
To avoid possible delays on the O'Hare Intl. Airport (ORD) to Lennart Meri Airport (TLL) route, aim to travel before 3 PM. Later flights have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Lennart Meri Airport (TLL) last-minute?
Waiting until right before your break to book your flight from ORD to TLL generally means paying more. Although you may find some last-minute offers, they aren't always guaranteed. Be flexible with your itinerary to boost your chances of scoring a bargain.
Is it cheaper to book an ORD to TLL flight and hotel package?
You can save money by booking an ORD to TLL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've chosen your ideal flights and accommodations, you can add extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Lennart Meri Airport (TLL)?
In most cases, you can cancel or modify your ORD to TLL flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you want more details, visit our Customer Service portal.

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*Available to One Key members.