Which airport is the most popular layover for flights between Chicago and Tallinn?

Frankfurt am Main (FRA) was the most common stop: 39% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Chicago to Tallinn?

Flights via Copenhagen (CPH) offer the lowest average round-trip price of $503.

Which layover airport has the shortest travel time from Chicago to Tallinn?

Flights connecting via Helsinki (HEL) have the shortest average one-way travel time: 10h 25m.

What is the cheapest airline that flies from Chicago to Tallinn?

Scandinavian Airlines is the most popular carrier operating from Chicago to Tallinn

Which layover airport has the shortest connection time from Chicago to Tallinn?

Helsinki (HEL) has the shortest average layover time for this route: 1h 25m.

What airlines fly to Tallinn?

Scandinavian Airlines, United Airlines and Finnair are the top three most popular airlines that fly to Tallinn from Chicago according to our data. Scandinavian Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Tallinn. Keep in mind that there are 4 different airlines that fly to Tallinn on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Chicago to Tallinn Airport?

Prices for flights from Chicago to Tallinn Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Chicago to Tallinn Airport?

As of September 2026, there are 4 operators available to choose from for flights from Chicago to Tallinn Airport.

How old do you have to be to fly from Chicago to Tallinn Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Tallinn Airport.

What documentation or ID do you need to fly to Tallinn Airport?

The required travel and health documents for your Tallinn Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Tallinn Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$358 Cheap Flights from Chicago to Tallinn in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Tallinn

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:15 pm - 3:20 pmORD Chicago O'Hare Intl-TLL Tallinn

12h 05m1 stop Kastrup Copenhagen

6:25 am - 4:45 pmTLL Tallinn-ORD Chicago O'Hare Intl

18h 20m1 stop Kastrup Copenhagen

$469Scandinavian Airlines

Mon, Nov 2 - Mon, Nov 9

7:15 pm - 1:25 amORD Chicago O'Hare Intl-TLL Tallinn

22h 10m1 stop Kastrup Copenhagen

6:25 am - 4:45 pmTLL Tallinn-ORD Chicago O'Hare Intl

18h 20m1 stop Kastrup Copenhagen

$471Scandinavian Airlines

Thu, Nov 5 - Wed, Nov 18

9:30 pm - 12:50 amORD Chicago O'Hare Intl-TLL Tallinn

19h 20m1 stop Helsinki-Vantaa

4:10 pm - 5:50 pmTLL Tallinn-ORD Chicago O'Hare Intl

33h 40m1 stop Helsinki-Vantaa

$588British Airways

Mon, Oct 5 - Mon, Oct 12

9:30 pm - 10:50 pmORD Chicago O'Hare Intl-TLL Tallinn

17h 20m1 stop Helsinki-Vantaa

5:50 am - 10:30 pmTLL Tallinn-ORD Chicago O'Hare Intl

24h 40m2 stops Helsinki-Vantaa New York John F Kennedy Intl

$593British Airways

Wed, Oct 14 - Wed, Nov 18

8:30 pm - 12:25 amORD Chicago O'Hare Intl-TLL Tallinn

19h 55m2 stops London Heathrow Helsinki-Vantaa

9:10 pm - 1:45 pmTLL Tallinn-ORD Chicago O'Hare Intl

24h 35m2 stops Helsinki-Vantaa London Heathrow

$600Finnair

Mon, Nov 2 - Mon, Nov 9

9:35 pm - 8:45 pmORD Chicago O'Hare Intl-TLL Tallinn

15h 10m2 stops Paris Charles de Gaulle Helsinki-Vantaa

9:10 pm - 1:45 pmTLL Tallinn-ORD Chicago O'Hare Intl

24h 35m2 stops Helsinki-Vantaa London Heathrow

$621Finnair

Sun, Nov 1 - Mon, Nov 30

4:05 pm - 1:10 pmORD Chicago O'Hare Intl-TLL Tallinn

13h 05m1 stop Frankfurt am Main

5:55 pm - 1:10 pmTLL Tallinn-ORD Chicago O'Hare Intl

27h 15m1 stop Frankfurt am Main

$665Lufthansa

Wed, Oct 14 - Wed, Nov 18

10:35 pm - 12:40 amORD Chicago O'Hare Intl-TLL Tallinn

18h 05m1 stop Frankfurt am Main

6:35 am - 1:10 pmTLL Tallinn-ORD Chicago O'Hare Intl

14h 35m1 stop Frankfurt am Main

$676United Airlines

Wed, Dec 2 - Wed, Dec 9

6:50 am - 1:00 pmORD Chicago O'Hare Intl-TLL Tallinn

22h 10m2 stops Detroit Metropolitan Wayne County Frankfurt am Main

6:35 am - 1:10 pmTLL Tallinn-ORD Chicago O'Hare Intl

14h 35m1 stop Frankfurt am Main

$681United Airlines

Sun, Nov 29 - Wed, Dec 9

9:50 pm - 12:40 amORD Chicago O'Hare Intl-TLL Tallinn

18h 50m2 stops Munich Franz Josef Strauss Frankfurt am Main

6:35 am - 8:05 pmTLL Tallinn-ORD Chicago O'Hare Intl

21h 30m1 stop Frankfurt am Main

$702Lufthansa

Sat, Nov 28 - Wed, Dec 9

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Scandinavian Airlines flights from Chicago to Tallinn

Our best Scandinavian Airlines deals on Chicago to Tallinn flight tickets

Scandinavian Airlines

Nov 2

ORD7:15 pmChicago O'Hare Intl

12h 05m

1 stop

TLL3:20 pmTallinn

Nov 9

TLL6:25 amTallinn

18h 20m

1 stop

ORD4:45 pmChicago O'Hare Intl

$469

Scandinavian Airlines

Nov 5

ORD7:15 pmChicago O'Hare Intl

22h 10m

1 stop

TLL1:25 amTallinn

Nov 18

TLL6:25 amTallinn

18h 20m

1 stop

ORD4:45 pmChicago O'Hare Intl

$471

Scandinavian Airlines

Nov 5

ORD7:15 pmChicago O'Hare Intl

20h 50m

2 stops

TLL12:05 amTallinn

Nov 18

TLL11:10 amTallinn

13h 35m

1 stop

ORD4:45 pmChicago O'Hare Intl

$474

Finnair flights from Chicago to Tallinn

Our best Finnair deals on Chicago to Tallinn flight tickets

Finnair

Nov 2

ORD8:30 pmChicago O'Hare Intl

19h 55m

2 stops

TLL12:25 amTallinn

Nov 9

TLL9:10 pmTallinn

24h 35m

2 stops

ORD1:45 pmChicago O'Hare Intl

$600

Finnair

Nov 1

ORD9:35 pmChicago O'Hare Intl

15h 10m

2 stops

TLL8:45 pmTallinn

Nov 30

TLL9:10 pmTallinn

24h 35m

2 stops

ORD1:45 pmChicago O'Hare Intl

$621

Finnair

Jan 10

ORD9:50 pmChicago O'Hare Intl

18h 35m

2 stops

TLL12:25 amTallinn

Jan 17

TLL11:55 amTallinn

18h 36m

2 stops

ORD10:31 pmChicago O'Hare Intl

$646

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Mon 11/2

7:15 pm-3:20 pm

1 stop12h 05m

Tallinn

Mon 11/9

6:25 am-4:45 pm

1 stop18h 20m

$469

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Thu 11/5

7:15 pm-1:25 am

1 stop22h 10m

Tallinn

Wed 11/18

6:25 am-4:45 pm

1 stop18h 20m

$471

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Mon 10/5

9:30 pm-12:50 am

1 stop19h 20m

Tallinn

Mon 10/12

4:10 pm-5:50 pm

1 stop33h 40m

$588

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Wed 10/14

9:30 pm-10:50 pm

1 stop17h 20m

Tallinn

Wed 11/18

5:50 am-10:30 pm

2 stops24h 40m

$593

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Mon 11/2

8:30 pm-12:25 am

2 stops19h 55m

Tallinn

Mon 11/9

9:10 pm-1:45 pm

2 stops24h 35m

$600

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Sun 11/1

9:35 pm-8:45 pm

2 stops15h 10m

Tallinn

Mon 11/30

9:10 pm-1:45 pm

2 stops24h 35m

$621

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Wed 10/14

4:05 pm-1:10 pm

1 stop13h 05m

Tallinn

Wed 11/18

5:55 pm-1:10 pm

1 stop27h 15m

$665

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Wed 12/2

10:35 pm-12:40 am

1 stop18h 05m

Tallinn

Wed 12/9

6:35 am-1:10 pm

1 stop14h 35m

$676

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Sun 11/29

6:50 am-1:00 pm

2 stops22h 10m

Tallinn

Wed 12/9

6:35 am-1:10 pm

1 stop14h 35m

$681

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Sat 11/28

9:50 pm-12:40 am

2 stops18h 50m

Tallinn

Wed 12/9

6:35 am-8:05 pm

1 stop21h 30m

$702

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago to Tallinn

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to Tallinn?

The month of April is, on average, the cheapest month to fly to Tallinn from Chicago, with most prices found around $489. If you aren’t able to travel during the month of April, then book flights to Tallinn from Chicago during March instead. Flights to Tallinn in March, while not as cheap as those in April, still average around $492.

Can stopping save me money on Chicago to Tallinn flights?

You could potentially save up to 15% on your flight if you consider stops on a Chicago to Tallinn flight.

When to book flights from Chicago to Tallinn

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Tallinn according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to Tallinn (CHI to TLL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Tallinn

Best Price Found	$358
Fastest flight time	10h 00m
Direct flights	None

The best one-way flight to Tallinn from Chicago in the past 72 hours is $358. The best round-trip flight deal from Chicago to Tallinn found on momondo in the last 72 hours is $469.

The fastest flight from Chicago to Tallinn takes 10h 00m

There are no direct flights from Chicago to Tallinn. There are no popular flight routes from Chicago to Tallinn.

Search flight deals

Frequently asked questions about flying from Chicago to Tallinn

How far is Chicago to Tallinn by plane?
The straight-line distance from Chicago to Tallinn is 4453.0 mi. Typically, this will take 10h 00m by plane in normal conditions.
When did momondo last update prices for flights from Chicago to Tallinn Airport?
Prices for flights from Chicago to Tallinn Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Chicago to Tallinn Airport?
As of September 2026, there are 4 operators available to choose from for flights from Chicago to Tallinn Airport.
How old do you have to be to fly from Chicago to Tallinn Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Tallinn Airport.
What documentation or ID do you need to fly to Tallinn Airport?
The required travel and health documents for your Tallinn Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Tallinn Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Chicago to Tallinn?
momondo data reveals that the most frequently booked airline on the route from Chicago to Tallinn is Scandinavian Airlines, representing 41% of all bookings. The subsequent popular airlines are Lufthansa at 33% and United Airlines at 26%.

Best airlines flying from Chicago to Tallinn

Compare and see reviews for airlines that fly from Chicago to Tallinn with momondo

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom $437	Free Cancellation	Rating 7.4 1,984 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $486	Free Cancellation	Rating 7.4 10,232 reviews	Search United Airlines flights
Lufthansa	PriceFrom $486	Free Cancellation	Rating 6.8 8,237 reviews	Search Lufthansa flights
Finnair	PriceFrom $785	Free Cancellation	Rating 7.6 1,431 reviews	Search Finnair flights

Pärnu

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Why should I use momondo to find a flight deal from Chicago to Tallinn?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Tallinn for you.

Can I find flights from Chicago to Tallinn with flexible booking policies on momondo?

momondo does allow users to show only those flights to Tallinn from Chicago which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Chicago to Tallinn?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Tallinn.

I’m not ready to book a flight from Chicago to Tallinn right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Tallinn flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Chicago to Tallinn from $358

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Tallinn departing on 11/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Scandinavian Airlines flights from Chicago to Tallinn

Our best Scandinavian Airlines deals on Chicago to Tallinn flight tickets

Finnair flights from Chicago to Tallinn

Our best Finnair deals on Chicago to Tallinn flight tickets

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How to get the cheapest flight ticket from Chicago to Tallinn

What is the cheapest month to fly to Tallinn?

Can stopping save me money on Chicago to Tallinn flights?

What is the cheapest airline that flies from Chicago to Tallinn?

What airlines fly to Tallinn?

Which airport is the most popular layover for flights between Chicago and Tallinn?

Which layover airport offers the lowest fares from Chicago to Tallinn?

Which layover airport has the shortest travel time from Chicago to Tallinn?

Which layover airport has the shortest connection time from Chicago to Tallinn?

When to book flights from Chicago to Tallinn

Cheap Chicago to Tallinn (CHI to TLL) flight deals and tips

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Frequently asked questions about flying from Chicago to Tallinn

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Compare and see reviews for airlines that fly from Chicago to Tallinn with momondo

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List of cabin classes available on flights landing in Tallinn. Availability may vary depending on flight origin and airline.

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