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

Lufthansa is the most popular carrier operating from Chicago to Tallinn

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.

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.

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

Frankfurt am Main (FRA) was the most common stop: 35% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Tallinn?

Scandinavian Airlines, Finnair and United Airlines 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 41% 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.

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

Flights via Copenhagen (CPH) offer the lowest average round-trip price of $490.

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 November 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.

$308 Cheap Flights from Chicago to Tallinn in 2026/27

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Find the cheapest flights from Chicago to Tallinn

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:10 pm - 1:25 amORD Chicago O'Hare Intl-TLL Tallinn

22h 15m1 stop Kastrup Copenhagen

11:10 am - 4:45 pmTLL Tallinn-ORD Chicago O'Hare Intl

13h 35m1 stop Kastrup Copenhagen

$655Scandinavian Airlines

Mon, Dec 7 - Sat, Dec 12

7:10 pm - 3:20 pmORD Chicago O'Hare Intl-TLL Tallinn

12h 10m1 stop Kastrup Copenhagen

11:10 am - 4:45 pmTLL Tallinn-ORD Chicago O'Hare Intl

13h 35m1 stop Kastrup Copenhagen

$655Scandinavian Airlines

Sun, Jan 17 - Mon, Jan 25

11:00 pm - 10:50 pmORD Chicago O'Hare Intl-TLL Tallinn

15h 50m2 stops London Heathrow Helsinki-Vantaa

6:00 am - 5:50 pmTLL Tallinn-ORD Chicago O'Hare Intl

19h 50m1 stop Helsinki-Vantaa

$656Finnair

Wed, Apr 14 - Sun, Apr 18

9:30 pm - 3:45 pmORD Chicago O'Hare Intl-TLL Tallinn

10h 15m1 stop Helsinki-Vantaa

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

15h 40m1 stop Helsinki-Vantaa

$656Finnair

Wed, Apr 14 - Sun, Apr 18

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

17h 20m1 stop Helsinki-Vantaa

6:00 am - 5:50 pmTLL Tallinn-ORD Chicago O'Hare Intl

19h 50m1 stop Helsinki-Vantaa

$656British Airways

Thu, Apr 15 - Sun, Apr 18

9:50 pm - 1:25 pmORD Chicago O'Hare Intl-TLL Tallinn

31h 35m1 stop Warsaw Frederic Chopin

6:25 pm - 7:55 pmTLL Tallinn-ORD Chicago O'Hare Intl

33h 30m1 stop Warsaw Frederic Chopin

$661LOT

Tue, Feb 16 - Tue, Mar 2

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

18h 05m1 stop Frankfurt am Main

1:45 pm - 8:05 pmTLL Tallinn-ORD Chicago O'Hare Intl

14h 20m1 stop Frankfurt am Main

$715Lufthansa

Fri, Dec 4 - Fri, Dec 11

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

$715Lufthansa

Wed, Dec 2 - Tue, Dec 8

4:20 pm - 5:10 pmORD Chicago O'Hare Intl-TLL Tallinn

16h 50m1 stop Frankfurt am Main

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

14h 35m1 stop Frankfurt am Main

$716United Airlines

Mon, Nov 30 - Tue, Dec 8

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

$716United Airlines

Wed, Dec 2 - Tue, Dec 8

Cheap last minute flights

Enter your travel dates to find the best prices.

8:15 pm - 6:00 pmORD Chicago O'Hare Intl-TLL Tallinn

37h 45m1 stop Istanbul

7:05 pm - 10:00 amTLL Tallinn-ORD Chicago O'Hare Intl

22h 55m1 stop Istanbul

$743Turkish Airlines

Tue, Nov 3 - Tue, Feb 9

8:15 pm - 6:00 pmORD Chicago O'Hare Intl-TLL Tallinn

37h 45m1 stop Istanbul

7:05 pm - 10:00 amTLL Tallinn-ORD Chicago O'Hare Intl

22h 55m1 stop Istanbul

$756Turkish Airlines

Tue, Nov 3 - Tue, Feb 9

7:47 pm - 5:10 pmORD Chicago O'Hare Intl-TLL Tallinn

37h 23m2 stops Detroit Metropolitan Wayne County Frankfurt am Main

5:55 pm - 11:05 amTLL Tallinn-ORD Chicago O'Hare Intl

25h 10m1 stop Frankfurt am Main

$757United Airlines

Tue, Nov 3 - Tue, Feb 9

6:50 pm - 5:10 pmORD Chicago O'Hare Intl-TLL Tallinn

38h 20m2 stops Zurich Frankfurt am Main

5:55 pm - 11:05 amTLL Tallinn-ORD Chicago O'Hare Intl

25h 10m1 stop Frankfurt am Main

$760United Airlines

Tue, Nov 3 - Tue, Feb 9

7:47 pm - 5:10 pmORD Chicago O'Hare Intl-TLL Tallinn

37h 23m2 stops Detroit Metropolitan Wayne County Frankfurt am Main

5:55 pm - 3:23 pmTLL Tallinn-ORD Chicago O'Hare Intl

53h 28m2 stops Frankfurt am Main Newark

$762United Airlines

Tue, Nov 3 - Tue, Feb 9

9:30 pm - 5:10 pmORD Chicago O'Hare Intl-TLL Tallinn

35h 40m2 stops Detroit Metropolitan Wayne County Frankfurt am Main

5:55 pm - 11:02 amTLL Tallinn-ORD Chicago O'Hare Intl

49h 07m2 stops Frankfurt am Main Newark

$762United Airlines

Tue, Nov 3 - Tue, Feb 9

8:15 pm - 6:00 pmORD Chicago O'Hare Intl-TLL Tallinn

37h 45m1 stop Istanbul

7:05 pm - 10:00 amTLL Tallinn-ORD Chicago O'Hare Intl

22h 55m1 stop Istanbul

$799Turkish Airlines

Tue, Nov 3 - Tue, Feb 9

7:25 am - 10:30 amORD Chicago O'Hare Intl-TLL Tallinn

19h 05m2 stops Boston Logan Intl Kastrup Copenhagen

8:35 pm - 4:45 pmTLL Tallinn-ORD Chicago O'Hare Intl

52h 10m2 stops Stockholm Arlanda Kastrup Copenhagen

$852Scandinavian Airlines

Tue, Nov 3 - Tue, Feb 9

8:15 pm - 6:00 pmORD Chicago O'Hare Intl-TLL Tallinn

37h 45m1 stop Istanbul

7:05 pm - 10:00 amTLL Tallinn-ORD Chicago O'Hare Intl

22h 55m1 stop Istanbul

$897Turkish Airlines

Tue, Nov 3 - Tue, Feb 9

11:45 am - 11:05 amORD Chicago O'Hare Intl-TLL Tallinn

15h 20m1 stop Istanbul

7:05 pm - 10:00 amTLL Tallinn-ORD Chicago O'Hare Intl

22h 55m1 stop Istanbul

$983Turkish Airlines

Tue, Nov 3 - Tue, Feb 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

Dec 7

ORD7:10 pmChicago O'Hare Intl

22h 15m

1 stop

TLL1:25 amTallinn

Dec 12

TLL11:10 amTallinn

13h 35m

1 stop

ORD4:45 pmChicago O'Hare Intl

$655

Scandinavian Airlines

Dec 7

ORD7:10 pmChicago O'Hare Intl

16h 55m

2 stops

TLL8:05 pmTallinn

Dec 12

TLL11:10 amTallinn

13h 35m

1 stop

ORD4:45 pmChicago O'Hare Intl

$662

Scandinavian Airlines

Jan 14

ORD7:10 pmChicago O'Hare Intl

22h 15m

1 stop

TLL1:25 amTallinn

Jan 25

TLL11:10 amTallinn

13h 35m

1 stop

ORD4:45 pmChicago O'Hare Intl

$667

Finnair flights from Chicago to Tallinn

Our best Finnair deals on Chicago to Tallinn flight tickets

Finnair

Apr 14

ORD11:00 pmChicago O'Hare Intl

15h 50m

2 stops

TLL10:50 pmTallinn

Apr 18

TLL6:00 amTallinn

19h 50m

1 stop

ORD5:50 pmChicago O'Hare Intl

$656

Finnair

Apr 6

ORD8:40 pmChicago O'Hare Intl

18h 10m

2 stops

TLL10:50 pmTallinn

Apr 15

TLL12:50 pmTallinn

25h 10m

2 stops

ORD6:00 amChicago O'Hare Intl

$687

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Mon 12/7

7:10 pm-1:25 am

1 stop22h 15m

Tallinn

Sat 12/12

11:10 am-4:45 pm

1 stop13h 35m

$655

Quickest round-trip

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Sun 1/17

7:10 pm-3:20 pm

1 stop12h 10m

Tallinn

Mon 1/25

11:10 am-4:45 pm

1 stop13h 35m

$655

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Wed 4/14

11:00 pm-10:50 pm

2 stops15h 50m

Tallinn

Sun 4/18

6:00 am-5:50 pm

1 stop19h 50m

$656

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Wed 4/14

9:30 pm-3:45 pm

1 stop10h 15m

Tallinn

Sun 4/18

10:10 am-5:50 pm

1 stop15h 40m

$656

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Thu 4/15

9:30 pm-10:50 pm

1 stop17h 20m

Tallinn

Sun 4/18

6:00 am-5:50 pm

1 stop19h 50m

$656

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Tue 2/16

9:50 pm-1:25 pm

1 stop31h 35m

Tallinn

Tue 3/2

6:25 pm-7:55 pm

1 stop33h 30m

$661

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Fri 12/4

10:35 pm-12:40 am

1 stop18h 05m

Tallinn

Fri 12/11

1:45 pm-8:05 pm

1 stop14h 20m

$715

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

Tue 12/8

6:35 am-1:10 pm

1 stop14h 35m

$715

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Mon 11/30

4:20 pm-5:10 pm

1 stop16h 50m

Tallinn

Tue 12/8

6:35 am-1:10 pm

1 stop14h 35m

$716

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

Tue 12/8

6:35 am-1:10 pm

1 stop14h 35m

$716

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 typical price of a round-trip flight between Chicago and Tallinn?

Prices are currently typical for flights on this route.

Typical prices usually range from $623 to $718.
The lowest price recently found on this route was $655.

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 $472. 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 $498.

Can stopping save me money on Chicago to Tallinn flights?

You could potentially save up to 27% 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	$308
Fastest flight time	12h 10m
Direct flights	None

The best one-way flight to Tallinn from Chicago in the past 72 hours is $308. The best round-trip flight deal from Chicago to Tallinn found on momondo in the last 72 hours is $655.

The fastest flight from Chicago to Tallinn takes 12h 10m

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 12h 10m 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 November 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 38% of all bookings. The subsequent popular airlines are Lufthansa at 31%, United Airlines at 17%, and Finnair at 13%.

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 $440	Free Cancellation	Rating 7.4 2,030 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $486	Free Cancellation	Rating 7.3 10,460 reviews	Search United Airlines flights
Lufthansa	PriceFrom $492	Free Cancellation	Rating 6.8 8,299 reviews	Search Lufthansa flights
Finnair	PriceFrom $817	Free Cancellation	Rating 7.6 1,416 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 $308

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 1/31. 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 typical price of a round-trip flight between Chicago and 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

Best Price Found

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Frequently asked questions about flying from Chicago to Tallinn

Best airlines flying from Chicago to Tallinn

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

Traveling to a place near Tallinn?

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An easier way to manage your Tallinn trip

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Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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Airlines are sorted and displayed according to clicks in the past 7 days on 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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