$403 Cheap Flights from Chicago (ORD) to Tallinn (TLL)

View $403 flight on Sun, Dec 7, 2025Opens in a new window

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

Cheap Flights from Chicago to Tallinn (ORD-TLL)

Prices were available within the past 7 days and start at $403 for one-way flights and $400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Tue, Jan 20 - Thu, Feb 19
ORD
Chicago
TLL
Tallinn
$400 Roundtrip, found 2 days ago
$400
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Tue, Jan 20 from Chicago to Tallinn, returning Thu, Feb 19, priced at $400 found 2 days ago
Scandinavian Airlines
Thu, Dec 11 - Tue, Dec 23
ORD
Chicago
TLL
Tallinn
$419 Roundtrip, found 19 hours ago
$419
Roundtrip
found 19 hours ago
Select Scandinavian Airlines flight, departing Thu, Dec 11 from Chicago to Tallinn, returning Tue, Dec 23, priced at $419 found 19 hours ago
Air Canada
Tue, Nov 18 - Tue, Nov 25
ORD
Chicago
TLL
Tallinn
$479 Roundtrip, found 2 days ago
$479
Roundtrip
found 2 days ago
Select Air Canada flight, departing Tue, Nov 18 from Chicago to Tallinn, returning Tue, Nov 25, priced at $479 found 2 days ago
Swiss International Air Lines
Mon, Aug 10 - Thu, Aug 20
ORD
Chicago
TLL
Tallinn
$480 Roundtrip, found 6 days ago
$480
Roundtrip
found 6 days ago
Select Swiss International Air Lines flight, departing Mon, Aug 10 from Chicago to Tallinn, returning Thu, Aug 20, priced at $480 found 6 days ago
United
Thu, Mar 12 - Wed, Apr 1
ORD
Chicago
TLL
Tallinn
$538 Roundtrip, found 10 hours ago
$538
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Mar 12 from Chicago to Tallinn, returning Wed, Apr 1, priced at $538 found 10 hours ago
Lufthansa
Mon, Oct 27 - Mon, Nov 3
ORD
Chicago
TLL
Tallinn
$556 Roundtrip, found 1 hour ago
$556
Roundtrip
found 1 hour ago
Select Lufthansa flight, departing Mon, Oct 27 from Chicago to Tallinn, returning Mon, Nov 3, priced at $556 found 1 hour ago
Austrian Airlines
Wed, Nov 19 - Tue, Dec 2
ORD
Chicago
TLL
Tallinn
$577 Roundtrip, found 4 days ago
$577
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Wed, Nov 19 from Chicago to Tallinn, returning Tue, Dec 2, priced at $577 found 4 days ago
LOT-Polish Airlines
Mon, Nov 24 - Mon, Dec 1
ORD
Chicago
TLL
Tallinn
$578 Roundtrip, found 1 day ago
$578
Roundtrip
found 1 day ago
Select LOT-Polish Airlines flight, departing Mon, Nov 24 from Chicago to Tallinn, returning Mon, Dec 1, priced at $578 found 1 day ago
British Airways
Sat, Mar 7 - Mon, Mar 16
ORD
Chicago
TLL
Tallinn
$591 Roundtrip, found 12 hours ago
$591
Roundtrip
found 12 hours ago
Select British Airways flight, departing Sat, Mar 7 from Chicago to Tallinn, returning Mon, Mar 16, priced at $591 found 12 hours ago
American Airlines
Fri, Jan 23 - Fri, Jan 30
ORD
Chicago
TLL
Tallinn
$591 Roundtrip, found 8 hours ago
$591
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Fri, Jan 23 from Chicago to Tallinn, returning Fri, Jan 30, priced at $591 found 8 hours ago

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

November is typically the cheapest month to fly

From $429 - $916 per traveler.

Alternative airports near Tallinn

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lennart Meri TLL. Cheapest option available. Flights from $553
TLL
Lennart Meri
Cheapest
Flights from $553
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, JetBlue Airways, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$400
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 January. 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 $403 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?
Secure a cheap one-way flight from $403 or cheap return flight from $400 from O'Hare Intl. Airport (ORD) to Lennart Meri Airport (TLL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Lennart Meri Airport (TLL)?
Planning your getaway for January is a good way to save, as it's the cheapest month for flights between ORD and TLL. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Lennart Meri Airport (TLL)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest ORD to TLL flight.
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.